From a96335dbeec3fc4379d0668f5aadf6f92141e6a1 Mon Sep 17 00:00:00 2001
From: Gauthier Roebroeck <gauthier.roebroeck@gmail.com>
Date: Mon, 7 Feb 2022 12:30:29 +0800
Subject: [PATCH] feat: page hashing enhancement

only hash pages for cbz
delete non-cbz page hashes
store page hashes
---
 komga-webui/package-lock.json                 |  30 ++-
 komga-webui/package.json                      |   1 +
 .../src/components/PageHashKnownCard.vue      | 163 +++++++++++++
 .../src/components/PageHashMatchesTable.vue   |   6 +-
 .../src/components/PageHashUnknownCard.vue    | 105 ++++++++
 komga-webui/src/functions/file.ts             |  10 +
 komga-webui/src/functions/urls.ts             |   8 +-
 komga-webui/src/locales/en.json               |  22 +-
 komga-webui/src/router.ts                     |  18 +-
 .../src/services/komga-pagehashes.service.ts  |  47 +++-
 komga-webui/src/types/enum-pagehashes.ts      |   5 +
 komga-webui/src/types/komga-pagehashes.ts     |  25 +-
 .../views/SettingsDuplicatePagesHolder.vue    |  21 ++
 .../src/views/SettingsDuplicatePagesKnown.vue | 224 ++++++++++++++++++
 ....vue => SettingsDuplicatePagesUnknown.vue} |  74 ++----
 komga-webui/src/views/SettingsHolder.vue      |   2 +-
 .../sqlite/V20220128152310__page_hash.sql     |  30 +++
 .../komga/application/tasks/TaskReceiver.kt   |  10 +-
 .../org/gotson/komga/domain/model/PageHash.kt |  19 +-
 .../komga/domain/model/PageHashKnown.kt       |  20 ++
 .../komga/domain/model/PageHashUnknown.kt     |  10 +-
 .../domain/persistence/MediaRepository.kt     |   2 +-
 .../domain/persistence/PageHashRepository.kt  |  11 +-
 .../komga/domain/service/PageHashLifecycle.kt |  36 ++-
 .../komga/infrastructure/jooq/MediaDao.kt     |  10 +-
 .../komga/infrastructure/jooq/PageHashDao.kt  | 123 +++++++++-
 .../interfaces/api/rest/PageHashController.kt |  53 +++--
 .../api/rest/dto/PageHashCreationDto.kt       |  11 +
 .../{PageHashDto.kt => PageHashKnownDto.kt}   |   8 +-
 .../api/rest/dto/PageHashUnknownDto.kt        |   7 +-
 .../gotson/komga/domain/model/PageHashTest.kt |  28 +++
 .../domain/service/PageHashLifecycleTest.kt   |  34 +++
 .../komga/infrastructure/jooq/MediaDaoTest.kt |  42 +++-
 .../infrastructure/jooq/PageHashDaoTest.kt    | 139 +++++++++++
 34 files changed, 1189 insertions(+), 165 deletions(-)
 create mode 100644 komga-webui/src/components/PageHashKnownCard.vue
 create mode 100644 komga-webui/src/components/PageHashUnknownCard.vue
 create mode 100644 komga-webui/src/types/enum-pagehashes.ts
 create mode 100644 komga-webui/src/views/SettingsDuplicatePagesHolder.vue
 create mode 100644 komga-webui/src/views/SettingsDuplicatePagesKnown.vue
 rename komga-webui/src/views/{SettingsDuplicatePages.vue => SettingsDuplicatePagesUnknown.vue} (71%)
 create mode 100644 komga/src/flyway/resources/db/migration/sqlite/V20220128152310__page_hash.sql
 create mode 100644 komga/src/main/kotlin/org/gotson/komga/domain/model/PageHashKnown.kt
 create mode 100644 komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashCreationDto.kt
 rename komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/{PageHashDto.kt => PageHashKnownDto.kt} (71%)
 create mode 100644 komga/src/test/kotlin/org/gotson/komga/domain/model/PageHashTest.kt
 create mode 100644 komga/src/test/kotlin/org/gotson/komga/domain/service/PageHashLifecycleTest.kt
 create mode 100644 komga/src/test/kotlin/org/gotson/komga/infrastructure/jooq/PageHashDaoTest.kt

diff --git a/komga-webui/package-lock.json b/komga-webui/package-lock.json
index 6ed44f0ae..525a337c3 100644
--- a/komga-webui/package-lock.json
+++ b/komga-webui/package-lock.json
@@ -12,6 +12,7 @@
         "axios": "^0.25.0",
         "core-js": "^3.20.3",
         "date-fns": "^2.28.0",
+        "filesize": "^8.0.7",
         "js-file-downloader": "^1.1.24",
         "language-tags": "^1.0.5",
         "lodash": "^4.17.21",
@@ -9261,10 +9262,9 @@
       "dev": true
     },
     "node_modules/filesize": {
-      "version": "3.6.1",
-      "resolved": "https://registry.npmjs.org/filesize/-/filesize-3.6.1.tgz",
-      "integrity": "sha512-7KjR1vv6qnicaPMi1iiTcI85CyYwRO/PSFCu6SvqL8jN2Wjt/NIYQTFtFs7fSDCYOstUkEWIQGFUg5YZQfjlcg==",
-      "dev": true,
+      "version": "8.0.7",
+      "resolved": "https://registry.npmjs.org/filesize/-/filesize-8.0.7.tgz",
+      "integrity": "sha512-pjmC+bkIF8XI7fWaH8KxHcZL3DPybs1roSKP4rKDvy20tAWwIObE4+JIseG2byfGKhud5ZnM4YSGKBz7Sh0ndQ==",
       "engines": {
         "node": ">= 0.4.0"
       }
@@ -20275,6 +20275,15 @@
         "node": ">=0.4.0"
       }
     },
+    "node_modules/webpack-bundle-analyzer/node_modules/filesize": {
+      "version": "3.6.1",
+      "resolved": "https://registry.npmjs.org/filesize/-/filesize-3.6.1.tgz",
+      "integrity": "sha512-7KjR1vv6qnicaPMi1iiTcI85CyYwRO/PSFCu6SvqL8jN2Wjt/NIYQTFtFs7fSDCYOstUkEWIQGFUg5YZQfjlcg==",
+      "dev": true,
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
     "node_modules/webpack-bundle-analyzer/node_modules/ws": {
       "version": "6.2.2",
       "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.2.tgz",
@@ -28286,10 +28295,9 @@
       "dev": true
     },
     "filesize": {
-      "version": "3.6.1",
-      "resolved": "https://registry.npmjs.org/filesize/-/filesize-3.6.1.tgz",
-      "integrity": "sha512-7KjR1vv6qnicaPMi1iiTcI85CyYwRO/PSFCu6SvqL8jN2Wjt/NIYQTFtFs7fSDCYOstUkEWIQGFUg5YZQfjlcg==",
-      "dev": true
+      "version": "8.0.7",
+      "resolved": "https://registry.npmjs.org/filesize/-/filesize-8.0.7.tgz",
+      "integrity": "sha512-pjmC+bkIF8XI7fWaH8KxHcZL3DPybs1roSKP4rKDvy20tAWwIObE4+JIseG2byfGKhud5ZnM4YSGKBz7Sh0ndQ=="
     },
     "fill-range": {
       "version": "4.0.0",
@@ -37203,6 +37211,12 @@
           "integrity": "sha512-OPdCF6GsMIP+Az+aWfAAOEt2/+iVDKE7oy6lJ098aoe59oAmK76qV6Gw60SbZ8jHuG2wH058GF4pLFbYamYrVA==",
           "dev": true
         },
+        "filesize": {
+          "version": "3.6.1",
+          "resolved": "https://registry.npmjs.org/filesize/-/filesize-3.6.1.tgz",
+          "integrity": "sha512-7KjR1vv6qnicaPMi1iiTcI85CyYwRO/PSFCu6SvqL8jN2Wjt/NIYQTFtFs7fSDCYOstUkEWIQGFUg5YZQfjlcg==",
+          "dev": true
+        },
         "ws": {
           "version": "6.2.2",
           "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.2.tgz",
diff --git a/komga-webui/package.json b/komga-webui/package.json
index f4adad927..30a03510d 100644
--- a/komga-webui/package.json
+++ b/komga-webui/package.json
@@ -13,6 +13,7 @@
     "axios": "^0.25.0",
     "core-js": "^3.20.3",
     "date-fns": "^2.28.0",
+    "filesize": "^8.0.7",
     "js-file-downloader": "^1.1.24",
     "language-tags": "^1.0.5",
     "lodash": "^4.17.21",
diff --git a/komga-webui/src/components/PageHashKnownCard.vue b/komga-webui/src/components/PageHashKnownCard.vue
new file mode 100644
index 000000000..581e817f3
--- /dev/null
+++ b/komga-webui/src/components/PageHashKnownCard.vue
@@ -0,0 +1,163 @@
+<template>
+  <v-card>
+    <v-container fluid>
+      <v-row>
+        <v-col>
+          <v-img
+            width="200"
+            height="300"
+            contain
+            @click="$emit('image-clicked')"
+            :src="pageHashKnownThumbnailUrl(hash)"
+            style="cursor: zoom-in"
+          />
+
+        </v-col>
+        <v-col>
+          <v-card-text style="min-width: 200px">
+            <v-container>
+              <v-row>
+                <v-col>
+                  <v-chip label small :color="actionColor">
+                    {{ $t(`enums.page_hash_action.${hash.action}`) }}
+                  </v-chip>
+                </v-col>
+              </v-row>
+
+              <v-row>
+                <v-col>
+                  <div>{{ hash.mediaType }}</div>
+                  <div>{{ getFileSize(hash.size) || $t('duplicate_pages.unknown_size') }}</div>
+                </v-col>
+              </v-row>
+
+
+              <v-row>
+                <v-col>
+                  <v-btn
+                    v-if="matchCount"
+                    @click="$emit('matches-clicked')"
+                    outlined
+                    rounded
+                  >
+                    {{ $tc('duplicate_pages.matches_n', matchCount) }}
+                  </v-btn>
+                </v-col>
+              </v-row>
+
+              <v-row>
+                <v-col>
+                  <div
+                    v-if="hash.deleteCount"
+                  >{{ $t('duplicate_pages.deleted_count', {count: hash.deleteCount}) }}
+                  </div>
+
+                  <div
+                    v-if="hash.deleteCount"
+                  >{{ $t('duplicate_pages.saved_size', {size: getFileSize(hash.size * hash.deleteCount)}) }}
+                  </div>
+                </v-col>
+              </v-row>
+            </v-container>
+          </v-card-text>
+        </v-col>
+      </v-row>
+    </v-container>
+
+    <v-card-actions>
+      <v-btn v-if="hash.action === PageHashAction.DELETE_MANUAL" color="primary" @click="deleteMatches">
+        {{ $t('duplicate_pages.action_delete_matches') }}
+      </v-btn>
+      <v-btn v-if="hash.action !== PageHashAction.IGNORE" text @click="ignore">{{
+          $t('duplicate_pages.action_ignore')
+        }}
+      </v-btn>
+      <v-btn v-if="hash.action !== PageHashAction.DELETE_MANUAL" text @click="deleteManual">
+        {{ $t('duplicate_pages.action_delete_manual') }}
+      </v-btn>
+      <v-btn v-if="hash.action !== PageHashAction.DELETE_AUTO" text @click="deleteAuto" :disabled="!hash.size">
+        {{ $t('duplicate_pages.action_delete_auto') }}
+      </v-btn>
+    </v-card-actions>
+  </v-card>
+</template>
+
+<script lang="ts">
+import Vue, {PropType} from 'vue'
+import {pageHashKnownThumbnailUrl} from '@/functions/urls'
+import {PageHashKnownDto} from '@/types/komga-pagehashes'
+import {PageHashAction} from '@/types/enum-pagehashes'
+import {getFileSize} from '@/functions/file'
+
+export default Vue.extend({
+  name: 'PageHashKnownCard',
+  props: {
+    hash: {
+      type: Object as PropType<PageHashKnownDto>,
+    },
+  },
+  data() {
+    return {
+      pageHashKnownThumbnailUrl,
+      getFileSize,
+      PageHashAction,
+      matchCount: undefined as number | undefined,
+    }
+  },
+  computed: {
+    actionColor(): string {
+      switch (this.hash.action) {
+        case PageHashAction.DELETE_AUTO:
+          return 'success'
+        case PageHashAction.DELETE_MANUAL:
+          return 'warning'
+        default:
+          return 'grey'
+      }
+    },
+  },
+  mounted() {
+    this.getMatchCount()
+  },
+  watch: {
+    hash: {
+      handler() {
+        this.getMatchCount()
+      },
+      deep: true,
+    },
+  },
+  methods: {
+    async getMatchCount() {
+      if (this.hash?.action === PageHashAction.DELETE_MANUAL)
+        this.matchCount = (await this.$komgaPageHashes.getUnknownPageHashMatches(this.hash, {size: 0})).totalElements
+      else
+        this.matchCount = undefined
+    },
+    deleteMatches() {
+    },
+    ignore() {
+      this.updatePageHash(PageHashAction.IGNORE)
+    },
+    deleteManual() {
+      this.updatePageHash(PageHashAction.DELETE_MANUAL)
+    },
+    deleteAuto() {
+      this.updatePageHash(PageHashAction.DELETE_AUTO)
+    },
+    async updatePageHash(action: PageHashAction) {
+      try {
+        const p = {
+          hash: this.hash.hash,
+          mediaType: this.hash.mediaType,
+          size: this.hash.size,
+          action: action,
+        }
+        await this.$komgaPageHashes.createOrUpdatePageHash(p)
+        this.$emit('updated', p)
+      } catch (e) {
+      }
+    },
+  },
+})
+</script>
diff --git a/komga-webui/src/components/PageHashMatchesTable.vue b/komga-webui/src/components/PageHashMatchesTable.vue
index 3ac1cc870..144e24020 100644
--- a/komga-webui/src/components/PageHashMatchesTable.vue
+++ b/komga-webui/src/components/PageHashMatchesTable.vue
@@ -33,13 +33,13 @@
 <script lang="ts">
 import Vue, {PropType} from 'vue'
 import {bookPageThumbnailUrl} from '@/functions/urls'
-import {PageHashMatchDto, PageHashUnknownDto} from '@/types/komga-pagehashes'
+import {PageHashDto, PageHashMatchDto, PageHashUnknownDto} from '@/types/komga-pagehashes'
 
 export default Vue.extend({
   name: 'PageHashMatchesTable',
   props: {
     hash: {
-      type: Object as PropType<PageHashUnknownDto>,
+      type: Object as PropType<PageHashDto>,
     },
   },
   data() {
@@ -74,7 +74,7 @@ export default Vue.extend({
     },
   },
   methods: {
-    async loadData(hash: PageHashUnknownDto) {
+    async loadData(hash: PageHashDto) {
       this.loading = true
 
       const {sortBy, sortDesc, page, itemsPerPage} = this.options
diff --git a/komga-webui/src/components/PageHashUnknownCard.vue b/komga-webui/src/components/PageHashUnknownCard.vue
new file mode 100644
index 000000000..b029523f7
--- /dev/null
+++ b/komga-webui/src/components/PageHashUnknownCard.vue
@@ -0,0 +1,105 @@
+<template>
+  <v-card>
+    <v-container fluid>
+      <v-row>
+        <v-col>
+          <v-img
+            width="200"
+            height="300"
+            contain
+            @click="$emit('image-clicked')"
+            :src="pageHashUnknownThumbnailUrl(hash, 500)"
+            style="cursor: zoom-in"
+          />
+
+        </v-col>
+        <v-col>
+          <v-card-text style="min-width: 200px">
+            <v-container>
+              <v-row>
+                <v-col>
+                  <div>{{ hash.mediaType }}</div>
+                  <div>{{ getFileSize(hash.size) || $t('duplicate_pages.unknown_size') }}</div>
+                </v-col>
+              </v-row>
+
+              <v-row>
+                <v-col>
+                  <v-btn
+                    @click="$emit('matches-clicked')"
+                    outlined
+                    rounded
+                  >
+                    {{ $tc('duplicate_pages.matches_n', hash.matchCount) }}
+                  </v-btn>
+                </v-col>
+              </v-row>
+
+              <v-row>
+                <v-col>
+                  <div
+                    v-if="hash.size"
+                  >{{ $t('duplicate_pages.delete_to_save', {size: getFileSize(hash.size * hash.matchCount)}) }}
+                  </div>
+                </v-col>
+              </v-row>
+
+            </v-container>
+          </v-card-text>
+        </v-col>
+      </v-row>
+    </v-container>
+
+    <v-card-actions>
+      <v-btn text @click="ignore">{{ $t('duplicate_pages.action_ignore') }}</v-btn>
+      <v-btn text @click="deleteManual">{{ $t('duplicate_pages.action_delete_manual') }}</v-btn>
+      <v-btn text @click="deleteAuto" :disabled="!hash.size">{{ $t('duplicate_pages.action_delete_auto') }}</v-btn>
+    </v-card-actions>
+  </v-card>
+</template>
+
+<script lang="ts">
+import Vue, {PropType} from 'vue'
+import {pageHashUnknownThumbnailUrl} from '@/functions/urls'
+import {PageHashUnknownDto} from '@/types/komga-pagehashes'
+import {PageHashAction} from '@/types/enum-pagehashes'
+import {getFileSize} from '@/functions/file'
+
+export default Vue.extend({
+  name: 'PageHashUnknownCard',
+  props: {
+    hash: {
+      type: Object as PropType<PageHashUnknownDto>,
+    },
+  },
+  data() {
+    return {
+      pageHashUnknownThumbnailUrl,
+      getFileSize,
+    }
+  },
+  methods: {
+    ignore() {
+      this.createPageHash(PageHashAction.IGNORE)
+    },
+    deleteManual() {
+      this.createPageHash(PageHashAction.DELETE_MANUAL)
+    },
+    deleteAuto() {
+      this.createPageHash(PageHashAction.DELETE_AUTO)
+    },
+    async createPageHash(action: PageHashAction) {
+      try {
+        await this.$komgaPageHashes.createOrUpdatePageHash({
+          hash: this.hash.hash,
+          mediaType: this.hash.mediaType,
+          size: this.hash.size,
+          action: action,
+        })
+        this.$emit('created')
+      } catch (e) {
+      }
+    },
+  },
+})
+</script>
diff --git a/komga-webui/src/functions/file.ts b/komga-webui/src/functions/file.ts
index fb094fd3b..04164ea3c 100644
--- a/komga-webui/src/functions/file.ts
+++ b/komga-webui/src/functions/file.ts
@@ -1,3 +1,5 @@
+import filesize from 'filesize'
+
 export async function getFileFromUrl(url: string, name: string = url, defaultType = 'image/jpeg') {
   const response = await fetch(url)
   const data = await response.blob()
@@ -5,3 +7,11 @@ export async function getFileFromUrl(url: string, name: string = url, defaultTyp
     type: data.type || defaultType,
   })
 }
+
+
+const filesizePartial = filesize.partial({round: 1})
+
+export function getFileSize(n?: number): string | undefined {
+  if(!n) return undefined
+  return filesizePartial(n)
+}
diff --git a/komga-webui/src/functions/urls.ts b/komga-webui/src/functions/urls.ts
index 2a2b38473..e1e92427c 100644
--- a/komga-webui/src/functions/urls.ts
+++ b/komga-webui/src/functions/urls.ts
@@ -1,4 +1,4 @@
-import {PageHashUnknownDto} from '@/types/komga-pagehashes'
+import {PageHashKnownDto, PageHashUnknownDto} from '@/types/komga-pagehashes'
 
 const fullUrl = process.env.VUE_APP_KOMGA_API_URL
   ? process.env.VUE_APP_KOMGA_API_URL
@@ -75,9 +75,13 @@ export function transientBookPageUrl(transientBookId: string, page: number): str
 }
 
 export function pageHashUnknownThumbnailUrl(pageHash: PageHashUnknownDto, resize?: number): string {
-  let url = `${urls.originNoSlash}/api/v1/page-hashes/unknown/${pageHash.hash}/thumbnail?media_type=${pageHash.mediaType}&file_size=${pageHash.sizeBytes || -1}`
+  let url = `${urls.originNoSlash}/api/v1/page-hashes/unknown/${pageHash.hash}/thumbnail?media_type=${pageHash.mediaType}&file_size=${pageHash.size || -1}`
   if(resize) {
     url += `&resize=${resize}`
   }
   return url
 }
+
+export function pageHashKnownThumbnailUrl(pageHash: PageHashKnownDto): string {
+  return `${urls.originNoSlash}/api/v1/page-hashes/${pageHash.hash}/thumbnail?media_type=${pageHash.mediaType}&file_size=${pageHash.size || -1}`
+}
diff --git a/komga-webui/src/locales/en.json b/komga-webui/src/locales/en.json
index 40a93ddd9..2d4aa66b4 100644
--- a/komga-webui/src/locales/en.json
+++ b/komga-webui/src/locales/en.json
@@ -531,16 +531,21 @@
   "duplicate_pages": {
     "action_delete_auto": "Auto delete",
     "action_delete_manual": "Manual delete",
+    "action_delete_matches": "Delete matches",
     "action_ignore": "Ignore",
-    "matches_n": "No matches | 1 match | {count} matches",
-    "title": "Duplicate pages",
-    "unknown_size": "Unknown size",
     "delete_to_save": "Delete to save {size}",
+    "deleted_count": "Deleted {count} times",
     "filter": {
-      "total_size": "Total size",
+      "count": "Count",
+      "delete_count": "Deletion count",
+      "delete_size": "Space saved",
       "size": "Size",
-      "count": "Count"
-    }
+      "total_size": "Total size"
+    },
+    "matches_n": "No matches | 1 match | {count} matches",
+    "saved_size": "Saved {size}",
+    "title": "Duplicate pages",
+    "unknown_size": "Unknown size"
   },
   "duplicates": {
     "file_hash": "File hash",
@@ -560,6 +565,11 @@
       "UNKNOWN": "Unknown",
       "UNSUPPORTED": "Unsupported"
     },
+    "page_hash_action": {
+      "DELETE_AUTO": "Auto delete",
+      "DELETE_MANUAL": "Manual delete",
+      "IGNORE": "Ignore"
+    },
     "reading_direction": {
       "LEFT_TO_RIGHT": "Left to right",
       "RIGHT_TO_LEFT": "Right to left",
diff --git a/komga-webui/src/router.ts b/komga-webui/src/router.ts
index 924d5cae0..80cb31d6a 100644
--- a/komga-webui/src/router.ts
+++ b/komga-webui/src/router.ts
@@ -97,8 +97,22 @@ const router = new Router({
             {
               path: '/settings/duplicate-pages',
               name: 'settings-duplicate-pages',
-              beforeEnter: adminGuard,
-              component: () => import(/* webpackChunkName: "settings-duplicate-pages" */ './views/SettingsDuplicatePages.vue'),
+              redirect: {name: 'settings-duplicate-pages-known'},
+              component: () => import(/* webpackChunkName: "settings-duplicate-pages" */ './views/SettingsDuplicatePagesHolder.vue'),
+              children: [
+                {
+                  path: '/settings/duplicate-pages/known',
+                  name: 'settings-duplicate-pages-known',
+                  beforeEnter: adminGuard,
+                  component: () => import(/* webpackChunkName: "settings-duplicate-pages" */ './views/SettingsDuplicatePagesKnown.vue'),
+                },
+                {
+                  path: '/settings/duplicate-pages/unknown',
+                  name: 'settings-duplicate-pages-unknown',
+                  beforeEnter: adminGuard,
+                  component: () => import(/* webpackChunkName: "settings-duplicate-pages" */ './views/SettingsDuplicatePagesUnknown.vue'),
+                },
+              ],
             },
             {
               path: '/settings/server',
diff --git a/komga-webui/src/services/komga-pagehashes.service.ts b/komga-webui/src/services/komga-pagehashes.service.ts
index aadfd06a6..ed64d5285 100644
--- a/komga-webui/src/services/komga-pagehashes.service.ts
+++ b/komga-webui/src/services/komga-pagehashes.service.ts
@@ -1,5 +1,11 @@
 import {AxiosInstance} from 'axios'
-import {PageHashMatchDto, PageHashUnknownDto} from '@/types/komga-pagehashes'
+import {
+  PageHashCreationDto,
+  PageHashDto,
+  PageHashKnownDto,
+  PageHashMatchDto,
+  PageHashUnknownDto,
+} from '@/types/komga-pagehashes'
 
 const qs = require('qs')
 
@@ -12,6 +18,23 @@ export default class KomgaPageHashesService {
     this.http = http
   }
 
+  async getKnownHashes(actions: string[], pageRequest?: PageRequest): Promise<Page<PageHashKnownDto>> {
+    try {
+      const params = {...pageRequest} as any
+      if (actions) params.action = actions
+      return (await this.http.get(API_PAGE_HASH, {
+        params: params,
+        paramsSerializer: params => qs.stringify(params, {indices: false}),
+      })).data
+    } catch (e) {
+      let msg = 'An error occurred while trying to retrieve known page hashes'
+      if (e.response.data.message) {
+        msg += `: ${e.response.data.message}`
+      }
+      throw new Error(msg)
+    }
+  }
+
   async getUnknownHashes(pageRequest?: PageRequest): Promise<Page<PageHashUnknownDto>> {
     try {
       return (await this.http.get(`${API_PAGE_HASH}/unknown`, {
@@ -27,19 +50,31 @@ export default class KomgaPageHashesService {
     }
   }
 
-  async getUnknownPageHashMatches(hash: PageHashUnknownDto, pageRequest?: PageRequest): Promise<Page<PageHashMatchDto>> {
+  async getUnknownPageHashMatches(pageHash: PageHashDto, pageRequest?: PageRequest): Promise<Page<PageHashMatchDto>> {
     try {
       const params = {
         ...pageRequest,
-        media_type: hash.mediaType,
-        file_size: hash.sizeBytes || -1,
+        media_type: pageHash.mediaType,
+        file_size: pageHash.size || -1,
       }
-      return (await this.http.get(`${API_PAGE_HASH}/unknown/${hash.hash}`, {
+      return (await this.http.get(`${API_PAGE_HASH}/unknown/${pageHash.hash}`, {
         params: params,
         paramsSerializer: params => qs.stringify(params, {indices: false}),
       })).data
     } catch (e) {
-      let msg = `An error occurred while trying to retrieve matches for page hash: ${hash}`
+      let msg = `An error occurred while trying to retrieve matches for page hash: ${pageHash}`
+      if (e.response.data.message) {
+        msg += `: ${e.response.data.message}`
+      }
+      throw new Error(msg)
+    }
+  }
+
+  async createOrUpdatePageHash(pageHash: PageHashCreationDto) {
+    try {
+      await this.http.put(API_PAGE_HASH, pageHash)
+    } catch (e) {
+      let msg = `An error occurred while trying to add page hash ${pageHash}`
       if (e.response.data.message) {
         msg += `: ${e.response.data.message}`
       }
diff --git a/komga-webui/src/types/enum-pagehashes.ts b/komga-webui/src/types/enum-pagehashes.ts
new file mode 100644
index 000000000..07cac83d1
--- /dev/null
+++ b/komga-webui/src/types/enum-pagehashes.ts
@@ -0,0 +1,5 @@
+export enum PageHashAction {
+  DELETE_AUTO = 'DELETE_AUTO',
+  DELETE_MANUAL = 'DELETE_MANUAL',
+  IGNORE = 'IGNORE',
+}
diff --git a/komga-webui/src/types/komga-pagehashes.ts b/komga-webui/src/types/komga-pagehashes.ts
index 3c1c688b2..5bfa212bd 100644
--- a/komga-webui/src/types/komga-pagehashes.ts
+++ b/komga-webui/src/types/komga-pagehashes.ts
@@ -1,9 +1,12 @@
-export interface PageHashUnknownDto {
+import {PageHashAction} from '@/types/enum-pagehashes'
+
+export interface PageHashDto {
   hash: string,
   mediaType: string,
-  sizeBytes?: number,
-  size?: string,
-  totalSize?: string,
+  size?: number,
+}
+
+export interface PageHashUnknownDto extends PageHashDto {
   matchCount: number,
 }
 
@@ -13,3 +16,17 @@ export interface PageHashMatchDto {
   pageNumber: number,
   fileName: string,
 }
+
+export interface PageHashCreationDto {
+  hash: string,
+  mediaType: string,
+  size?: number,
+  action: PageHashAction,
+}
+
+export interface PageHashKnownDto extends PageHashDto {
+  action: PageHashAction
+  deleteCount: number,
+  createdDate: string,
+  lastModifiedDate: string,
+}
diff --git a/komga-webui/src/views/SettingsDuplicatePagesHolder.vue b/komga-webui/src/views/SettingsDuplicatePagesHolder.vue
new file mode 100644
index 000000000..f4c10bd36
--- /dev/null
+++ b/komga-webui/src/views/SettingsDuplicatePagesHolder.vue
@@ -0,0 +1,21 @@
+<template>
+  <div>
+    <v-tabs grow>
+      <v-tab :to="{name: 'settings-duplicate-pages-known'}">Known</v-tab>
+      <v-tab :to="{name: 'settings-duplicate-pages-unknown'}">New</v-tab>
+    </v-tabs>
+    <router-view/>
+  </div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue'
+
+export default Vue.extend({
+  name: 'SettingsDuplicatePagesHolder',
+})
+</script>
+
+<style scoped>
+
+</style>
diff --git a/komga-webui/src/views/SettingsDuplicatePagesKnown.vue b/komga-webui/src/views/SettingsDuplicatePagesKnown.vue
new file mode 100644
index 000000000..869fd6cb7
--- /dev/null
+++ b/komga-webui/src/views/SettingsDuplicatePagesKnown.vue
@@ -0,0 +1,224 @@
+<template>
+  <v-container fluid class="pa-6">
+    <v-row align="center">
+      <v-col cols="auto">
+        <v-pagination
+          v-if="totalPages > 1"
+          v-model="page"
+          :total-visible="paginationVisible"
+          :length="totalPages"
+        />
+      </v-col>
+
+      <v-spacer/>
+
+      <v-col>
+        <v-select
+          :items="selectOptions"
+          v-model="filterActive"
+          small-chips
+          deletable-chips
+          multiple
+        >
+        </v-select>
+      </v-col>
+
+      <v-col
+        v-for="sortOption in sortOptions"
+        :key="sortOption.key"
+        cols="auto"
+      >
+        <v-btn
+          rounded
+          small
+          :color="sortActive.key === sortOption.key ? 'primary' : ''"
+          @click="setSort(sortOption.key)"
+        >
+          {{ sortOption.name }}
+          <v-icon
+            v-if="sortActive.key === sortOption.key"
+            class="ms-2"
+          >
+            {{ sortActive.order === 'desc' ? 'mdi-sort-variant' : 'mdi-sort-reverse-variant' }}
+          </v-icon>
+        </v-btn>
+      </v-col>
+
+    </v-row>
+
+    <v-row>
+      <v-slide-x-transition
+        v-for="(element, i) in elements"
+        :key="i"
+      >
+        <page-hash-known-card
+          class="ma-2"
+          :hash="element"
+          @image-clicked="showDialogImage(element)"
+          @matches-clicked="showDialogMatches(element)"
+          @updated="pageHashUpdated"
+        />
+      </v-slide-x-transition>
+
+    </v-row>
+
+    <v-row>
+      <v-col cols="12">
+        <v-pagination
+          v-if="totalPages > 1"
+          v-model="page"
+          :total-visible="paginationVisible"
+          :length="totalPages"
+        />
+      </v-col>
+    </v-row>
+
+    <v-dialog v-model="dialogImage">
+      <v-card>
+        <v-card-text>
+          <v-img
+            @click="dialogImage = false"
+            contain
+            :src="pageHashKnownThumbnailUrl(dialogImagePageHash)"
+            style="cursor: zoom-out;"
+          />
+        </v-card-text>
+      </v-card>
+    </v-dialog>
+
+    <v-dialog
+      v-model="dialogMatches"
+      scrollable
+    >
+      <v-card>
+        <v-card-text>
+          <page-hash-matches-table
+            :hash="dialogMatchesPageHash"
+            class="my-2"
+          />
+        </v-card-text>
+        <v-card-actions>
+          <v-btn @click="dialogMatches = false" text>{{ $t('common.close') }}</v-btn>
+        </v-card-actions>
+      </v-card>
+    </v-dialog>
+
+  </v-container>
+</template>
+
+<script lang="ts">
+import Vue from 'vue'
+import {PageHashDto, PageHashKnownDto} from '@/types/komga-pagehashes'
+import {pageHashKnownThumbnailUrl} from '@/functions/urls'
+import PageHashKnownCard from '@/components/PageHashKnownCard.vue'
+import {PageHashAction} from '@/types/enum-pagehashes'
+import PageHashMatchesTable from '@/components/PageHashMatchesTable.vue'
+
+export default Vue.extend({
+  name: 'SettingsDuplicatePagesKnown',
+  components: {PageHashKnownCard, PageHashMatchesTable},
+  data: function () {
+    return {
+      pageHashKnownThumbnailUrl,
+      elements: [] as PageHashKnownDto[],
+      totalElements: 0,
+      page: 1,
+      totalPages: 1,
+      sortActive: {key: 'deleteSize', order: 'desc'} as SortActive,
+      filterActive: [PageHashAction.DELETE_AUTO, PageHashAction.DELETE_MANUAL],
+      dialogImage: false,
+      dialogMatches: false,
+      dialogImagePageHash: {} as PageHashKnownDto,
+      dialogMatchesPageHash: {} as PageHashDto,
+    }
+  },
+  async mounted() {
+    await this.loadData(this.page, this.sortActive, this.filterActive)
+  },
+  watch: {
+    page(val) {
+      this.loadData(val, this.sortActive, this.filterActive)
+    },
+    sortActive(val) {
+      this.loadData(this.page, val, this.filterActive)
+    },
+    filterActive(val) {
+      this.loadData(this.page, this.sortActive, val)
+    },
+  },
+  computed: {
+    selectOptions(): object[] {
+      return Object.keys(PageHashAction).map(x => ({
+        text: this.$t(`enums.page_hash_action.${x.valueOf()}`),
+        value: x.valueOf(),
+      }))
+    },
+    sortOptions(): SortOption[] {
+      return [
+        {name: this.$t('duplicate_pages.filter.delete_size').toString(), key: 'deleteSize'},
+        {name: this.$t('duplicate_pages.filter.size').toString(), key: 'fileSize'},
+        {name: this.$t('duplicate_pages.filter.delete_count').toString(), key: 'deleteCount'},
+      ]
+    },
+    paginationVisible(): number {
+      switch (this.$vuetify.breakpoint.name) {
+        case 'xs':
+          return 5
+        case 'sm':
+        case 'md':
+          return 10
+        case 'lg':
+        case 'xl':
+        default:
+          return 15
+      }
+    },
+  },
+  methods: {
+    async loadData(page: number, sort: SortActive, actions: string[]) {
+      const pageRequest = {
+        page: page - 1,
+        sort: [`${sort.key},${sort.order}`],
+      } as PageRequest
+
+      const elementsPage = await this.$komgaPageHashes.getKnownHashes(actions, pageRequest)
+      this.totalElements = elementsPage.totalElements
+      this.totalPages = elementsPage.totalPages
+      this.elements = elementsPage.content
+    },
+    setSort(key: string) {
+      if (this.sortActive.key === key) {
+        if (this.sortActive.order === 'desc') {
+          this.sortActive = {key: key, order: 'asc'}
+        } else {
+          this.sortActive = {key: key, order: 'desc'}
+        }
+      } else {
+        this.sortActive = {key: key, order: 'desc'}
+      }
+    },
+    showDialogImage(pageHash: PageHashKnownDto) {
+      this.dialogImagePageHash = pageHash
+      this.dialogImage = true
+    },
+    showDialogMatches(pageHash: PageHashDto) {
+      this.dialogMatchesPageHash = pageHash
+      this.dialogMatches = true
+    },
+    pageHashUpdated(updated: PageHashKnownDto) {
+      this.elements.find(x => {
+          if (x.hash === updated.hash && x.mediaType === updated.mediaType && x.size === updated.size) {
+            x.action = updated.action
+            return true
+          }
+          return false
+        },
+      )
+    },
+  },
+})
+</script>
+
+<style scoped>
+
+</style>
diff --git a/komga-webui/src/views/SettingsDuplicatePages.vue b/komga-webui/src/views/SettingsDuplicatePagesUnknown.vue
similarity index 71%
rename from komga-webui/src/views/SettingsDuplicatePages.vue
rename to komga-webui/src/views/SettingsDuplicatePagesUnknown.vue
index 9acc6f681..71ff1765e 100644
--- a/komga-webui/src/views/SettingsDuplicatePages.vue
+++ b/komga-webui/src/views/SettingsDuplicatePagesUnknown.vue
@@ -36,54 +36,19 @@
     </v-row>
 
     <v-row>
-      <v-card
+      <v-slide-x-transition
         v-for="(element, i) in elements"
         :key="i"
-        class="ma-2"
       >
-        <v-container fluid>
-          <v-row>
-            <v-col>
-              <v-img
-                width="200"
-                height="300"
-                contain
-                @click="showDialogImage(element)"
-                :src="pageHashUnknownThumbnailUrl(element, 500)"
-                style="cursor: zoom-in"
-              />
-
-            </v-col>
-            <v-col>
-              <v-card-text style="min-width: 200px">
-                <div>{{ element.mediaType }}</div>
-                <div>{{ element.size || $t('duplicate_pages.unknown_size') }}</div>
-
-                <v-btn
-                  @click="showDialogMatches(element)"
-                  outlined
-                  rounded
-                  class="my-4"
-                >
-                  {{ $tc('duplicate_pages.matches_n', element.matchCount) }}
-                </v-btn>
-
-                <div
-                  v-if="element.totalSize"
-                  style="max-width: 100px"
-                >{{ $t('duplicate_pages.delete_to_save', {size: element.totalSize}) }}
-                </div>
-              </v-card-text>
-            </v-col>
-          </v-row>
-        </v-container>
-
-        <v-card-actions>
-          <v-btn text disabled>{{ $t('duplicate_pages.action_ignore') }}</v-btn>
-          <v-btn text disabled>{{ $t('duplicate_pages.action_delete_manual') }}</v-btn>
-          <v-btn text disabled>{{ $t('duplicate_pages.action_delete_auto') }}</v-btn>
-        </v-card-actions>
-      </v-card>
+        <page-hash-unknown-card
+          v-show="!hiddenElements.includes(element)"
+          class="ma-2"
+          :hash="element"
+          @image-clicked="showDialogImage(element)"
+          @matches-clicked="showDialogMatches(element)"
+          @created="pageHashCreated(element)"
+        />
+      </v-slide-x-transition>
 
     </v-row>
 
@@ -132,16 +97,18 @@
 
 <script lang="ts">
 import Vue from 'vue'
-import {PageHashUnknownDto} from '@/types/komga-pagehashes'
+import {PageHashDto, PageHashUnknownDto} from '@/types/komga-pagehashes'
 import {pageHashUnknownThumbnailUrl} from '@/functions/urls'
 import PageHashMatchesTable from '@/components/PageHashMatchesTable.vue'
+import PageHashUnknownCard from '@/components/PageHashUnknownCard.vue'
 
 export default Vue.extend({
-  name: 'SettingsDuplicatePages',
-  components: {PageHashMatchesTable},
+  name: 'SettingsDuplicatePagesUnknown',
+  components: {PageHashUnknownCard, PageHashMatchesTable},
   data: function () {
     return {
       elements: [] as PageHashUnknownDto[],
+      hiddenElements: [] as PageHashUnknownDto[],
       totalElements: 0,
       page: 1,
       totalPages: 1,
@@ -149,7 +116,7 @@ export default Vue.extend({
       dialogImage: false,
       dialogMatches: false,
       dialogImagePageHash: {} as PageHashUnknownDto,
-      dialogMatchesPageHash: {} as PageHashUnknownDto,
+      dialogMatchesPageHash: {} as PageHashDto,
       pageHashUnknownThumbnailUrl,
     }
   },
@@ -197,6 +164,7 @@ export default Vue.extend({
       this.totalElements = itemsPage.totalElements
       this.totalPages = itemsPage.totalPages
       this.elements = itemsPage.content
+      if (this.page > this.totalPages) this.page = this.totalPages
     },
     setSort(key: string) {
       if (this.sortActive.key === key) {
@@ -213,10 +181,16 @@ export default Vue.extend({
       this.dialogImagePageHash = pageHash
       this.dialogImage = true
     },
-    showDialogMatches(pageHash: PageHashUnknownDto) {
+    showDialogMatches(pageHash: PageHashDto) {
       this.dialogMatchesPageHash = pageHash
       this.dialogMatches = true
     },
+    pageHashCreated(pageHash: PageHashUnknownDto) {
+      this.hiddenElements.push(pageHash)
+      if (this.elements.every(x => this.hiddenElements.includes(x))) {
+        this.loadData(this.page, this.sortActive)
+      }
+    },
   },
 })
 </script>
diff --git a/komga-webui/src/views/SettingsHolder.vue b/komga-webui/src/views/SettingsHolder.vue
index 23ee205af..9a5f97445 100644
--- a/komga-webui/src/views/SettingsHolder.vue
+++ b/komga-webui/src/views/SettingsHolder.vue
@@ -1,6 +1,6 @@
 <template>
   <div>
-    <v-tabs>
+    <v-tabs grow>
       <v-tab :to="{name: 'settings-analysis'}">
         <v-badge
           dot
diff --git a/komga/src/flyway/resources/db/migration/sqlite/V20220128152310__page_hash.sql b/komga/src/flyway/resources/db/migration/sqlite/V20220128152310__page_hash.sql
new file mode 100644
index 000000000..632855ef2
--- /dev/null
+++ b/komga/src/flyway/resources/db/migration/sqlite/V20220128152310__page_hash.sql
@@ -0,0 +1,30 @@
+CREATE TABLE PAGE_HASH
+(
+    HASH               varchar  NOT NULL,
+    MEDIA_TYPE         varchar  NOT NULL,
+    SIZE               int8     NULL,
+    ACTION             varchar  NOT NULL,
+    DELETE_COUNT       int      NOT NULL default 0,
+    CREATED_DATE       datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    LAST_MODIFIED_DATE datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (HASH, MEDIA_TYPE, SIZE)
+);
+
+CREATE TABLE PAGE_HASH_THUMBNAIL
+(
+    HASH       varchar NOT NULL,
+    MEDIA_TYPE varchar NOT NULL,
+    SIZE       int8    NULL,
+    THUMBNAIL  blob    NOT NULL,
+    PRIMARY KEY (HASH, MEDIA_TYPE, SIZE)
+);
+
+DELETE
+FROM MEDIA_PAGE
+WHERE BOOK_ID IN (
+    SELECT DISTINCT m.BOOK_ID
+    FROM MEDIA m
+             LEFT JOIN MEDIA_PAGE MP on m.BOOK_ID = MP.BOOK_ID
+    WHERE mp.FILE_HASH <> ''
+      AND m.MEDIA_TYPE <> 'application/zip'
+);
diff --git a/komga/src/main/kotlin/org/gotson/komga/application/tasks/TaskReceiver.kt b/komga/src/main/kotlin/org/gotson/komga/application/tasks/TaskReceiver.kt
index 005d967bd..2471dc379 100644
--- a/komga/src/main/kotlin/org/gotson/komga/application/tasks/TaskReceiver.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/application/tasks/TaskReceiver.kt
@@ -9,9 +9,8 @@ import org.gotson.komga.domain.model.Library
 import org.gotson.komga.domain.model.Media
 import org.gotson.komga.domain.persistence.BookRepository
 import org.gotson.komga.domain.persistence.LibraryRepository
-import org.gotson.komga.domain.persistence.MediaRepository
 import org.gotson.komga.domain.service.BookConverter
-import org.gotson.komga.infrastructure.configuration.KomgaProperties
+import org.gotson.komga.domain.service.PageHashLifecycle
 import org.gotson.komga.infrastructure.jms.QUEUE_SUB_TYPE
 import org.gotson.komga.infrastructure.jms.QUEUE_TASKS
 import org.gotson.komga.infrastructure.jms.QUEUE_TASKS_TYPE
@@ -31,9 +30,8 @@ class TaskReceiver(
   connectionFactory: ConnectionFactory,
   private val libraryRepository: LibraryRepository,
   private val bookRepository: BookRepository,
-  private val mediaRepository: MediaRepository,
   private val bookConverter: BookConverter,
-  private val komgaProperties: KomgaProperties,
+  private val pageHashLifecycle: PageHashLifecycle,
 ) {
 
   private val jmsTemplates = (0..9).associateWith {
@@ -76,8 +74,8 @@ class TaskReceiver(
 
   fun hashBookPagesWithMissingHash(library: Library) {
     if (library.hashPages)
-      mediaRepository.findAllBookIdsByLibraryIdAndWithMissingPageHash(library.id, komgaProperties.pageHashing).forEach {
-        submitTask(Task.HashBookPages(it, LOWEST_PRIORITY, bookRepository.getSeriesIdOrNull(it) ?: ""))
+      pageHashLifecycle.getBookAndSeriesIdsWithMissingPageHash(library).forEach {
+        submitTask(Task.HashBookPages(it.first, LOWEST_PRIORITY, it.second))
       }
   }
 
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHash.kt b/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHash.kt
index 2f9f311c1..dfe52648a 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHash.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHash.kt
@@ -1,20 +1,9 @@
 package org.gotson.komga.domain.model
 
-import java.time.LocalDateTime
-
-data class PageHash(
+open class PageHash(
   val hash: String,
   val mediaType: String,
-  val size: Long? = null,
-  val action: Action,
-  val deleteCount: Int = 0,
-
-  override val createdDate: LocalDateTime = LocalDateTime.now(),
-  override val lastModifiedDate: LocalDateTime = createdDate,
-) : Auditable {
-  enum class Action {
-    DELETE_AUTO,
-    DELETE_MANUAL,
-    IGNORE,
-  }
+  size: Long? = null,
+) {
+  val size: Long? = if (size != null && size < 0) null else size
 }
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHashKnown.kt b/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHashKnown.kt
new file mode 100644
index 000000000..c4fd32829
--- /dev/null
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHashKnown.kt
@@ -0,0 +1,20 @@
+package org.gotson.komga.domain.model
+
+import java.time.LocalDateTime
+
+class PageHashKnown(
+  hash: String,
+  mediaType: String,
+  size: Long? = null,
+  val action: Action,
+  val deleteCount: Int = 0,
+
+  override val createdDate: LocalDateTime = LocalDateTime.now(),
+  override val lastModifiedDate: LocalDateTime = createdDate,
+) : Auditable, PageHash(hash, mediaType, size) {
+  enum class Action {
+    DELETE_AUTO,
+    DELETE_MANUAL,
+    IGNORE,
+  }
+}
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHashUnknown.kt b/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHashUnknown.kt
index dcd1c1289..bbc2c29dc 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHashUnknown.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/model/PageHashUnknown.kt
@@ -1,8 +1,8 @@
 package org.gotson.komga.domain.model
 
-data class PageHashUnknown(
-  val hash: String,
-  val mediaType: String,
-  val size: Long? = null,
+class PageHashUnknown(
+  hash: String,
+  mediaType: String,
+  size: Long? = null,
   val matchCount: Int = 0,
-)
+) : PageHash(hash, mediaType, size)
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/persistence/MediaRepository.kt b/komga/src/main/kotlin/org/gotson/komga/domain/persistence/MediaRepository.kt
index a3bdad2e6..abec1e92d 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/persistence/MediaRepository.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/persistence/MediaRepository.kt
@@ -5,7 +5,7 @@ import org.gotson.komga.domain.model.Media
 interface MediaRepository {
   fun findById(bookId: String): Media
 
-  fun findAllBookIdsByLibraryIdAndWithMissingPageHash(libraryId: String, pageHashing: Int): Collection<String>
+  fun findAllBookAndSeriesIdsByLibraryIdAndMediaTypeAndWithMissingPageHash(libraryId: String, mediaTypes: Collection<String>, pageHashing: Int): Collection<Pair<String, String>>
 
   fun getPagesSize(bookId: String): Int
   fun getPagesSizes(bookIds: Collection<String>): Collection<Pair<String, Int>>
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/persistence/PageHashRepository.kt b/komga/src/main/kotlin/org/gotson/komga/domain/persistence/PageHashRepository.kt
index 00d25ffe6..c5f9cd1c9 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/persistence/PageHashRepository.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/persistence/PageHashRepository.kt
@@ -1,16 +1,21 @@
 package org.gotson.komga.domain.persistence
 
 import org.gotson.komga.domain.model.PageHash
+import org.gotson.komga.domain.model.PageHashKnown
 import org.gotson.komga.domain.model.PageHashMatch
 import org.gotson.komga.domain.model.PageHashUnknown
 import org.springframework.data.domain.Page
 import org.springframework.data.domain.Pageable
 
 interface PageHashRepository {
-  fun findAllKnown(actions: List<PageHash.Action>?, pageable: Pageable): Page<PageHash>
+  fun findKnown(pageHash: PageHash): PageHashKnown?
+  fun findAllKnown(actions: List<PageHashKnown.Action>?, pageable: Pageable): Page<PageHashKnown>
   fun findAllUnknown(pageable: Pageable): Page<PageHashUnknown>
 
-  fun findMatchesByHash(pageHash: PageHashUnknown, pageable: Pageable): Page<PageHashMatch>
+  fun findMatchesByHash(pageHash: PageHash, pageable: Pageable): Page<PageHashMatch>
 
-  fun getKnownThumbnail(hash: String): ByteArray?
+  fun getKnownThumbnail(pageHash: PageHash): ByteArray?
+
+  fun insert(pageHash: PageHashKnown, thumbnail: ByteArray?)
+  fun update(pageHash: PageHashKnown)
 }
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/service/PageHashLifecycle.kt b/komga/src/main/kotlin/org/gotson/komga/domain/service/PageHashLifecycle.kt
index 2cd80fdff..f0b290acc 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/service/PageHashLifecycle.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/service/PageHashLifecycle.kt
@@ -1,23 +1,53 @@
 package org.gotson.komga.domain.service
 
 import org.gotson.komga.domain.model.BookPageContent
-import org.gotson.komga.domain.model.PageHashUnknown
+import org.gotson.komga.domain.model.Library
+import org.gotson.komga.domain.model.MediaType
+import org.gotson.komga.domain.model.PageHash
+import org.gotson.komga.domain.model.PageHashKnown
 import org.gotson.komga.domain.persistence.BookRepository
+import org.gotson.komga.domain.persistence.MediaRepository
 import org.gotson.komga.domain.persistence.PageHashRepository
+import org.gotson.komga.infrastructure.configuration.KomgaProperties
 import org.springframework.data.domain.Pageable
 import org.springframework.stereotype.Service
 
 @Service
 class PageHashLifecycle(
   private val pageHashRepository: PageHashRepository,
+  private val mediaRepository: MediaRepository,
   private val bookLifecycle: BookLifecycle,
   private val bookRepository: BookRepository,
+  private val komgaProperties: KomgaProperties,
 ) {
 
-  fun getPage(hash: PageHashUnknown, resizeTo: Int? = null): BookPageContent? {
-    val match = pageHashRepository.findMatchesByHash(hash, Pageable.ofSize(1)).firstOrNull() ?: return null
+  private val hashableMediaTypes = listOf(MediaType.ZIP.value)
+
+  /**
+   * @return a Collection of Pair of BookId/SeriesId
+   */
+  fun getBookAndSeriesIdsWithMissingPageHash(library: Library): Collection<Pair<String, String>> =
+    mediaRepository.findAllBookAndSeriesIdsByLibraryIdAndMediaTypeAndWithMissingPageHash(library.id, hashableMediaTypes, komgaProperties.pageHashing)
+
+  fun getPage(pageHash: PageHash, resizeTo: Int? = null): BookPageContent? {
+    val match = pageHashRepository.findMatchesByHash(pageHash, Pageable.ofSize(1)).firstOrNull() ?: return null
     val book = bookRepository.findByIdOrNull(match.bookId) ?: return null
 
     return bookLifecycle.getBookPage(book, match.pageNumber, resizeTo = resizeTo)
   }
+
+  fun createOrUpdate(pageHash: PageHashKnown) {
+    if (pageHash.action == PageHashKnown.Action.DELETE_AUTO && pageHash.size == null) throw IllegalArgumentException("cannot create PageHash without size and Action.DELETE_AUTO")
+
+    val existing = pageHashRepository.findKnown(pageHash)
+    if (existing == null) {
+      pageHashRepository.insert(pageHash, getPage(pageHash, 500)?.content)
+    } else {
+      pageHashRepository.update(pageHash)
+    }
+  }
+
+  fun update(pageHash: PageHashKnown) {
+    if (pageHash.action == PageHashKnown.Action.DELETE_AUTO && pageHash.size == null) throw IllegalArgumentException("cannot create PageHash without size and Action.DELETE_AUTO")
+  }
 }
diff --git a/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/MediaDao.kt b/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/MediaDao.kt
index b11b4cf8e..11afa260f 100644
--- a/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/MediaDao.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/MediaDao.kt
@@ -31,23 +31,23 @@ class MediaDao(
   override fun findById(bookId: String): Media =
     find(dsl, bookId)
 
-  override fun findAllBookIdsByLibraryIdAndWithMissingPageHash(libraryId: String, pageHashing: Int): Collection<String> {
+  override fun findAllBookAndSeriesIdsByLibraryIdAndMediaTypeAndWithMissingPageHash(libraryId: String, mediaTypes: Collection<String>, pageHashing: Int): Collection<Pair<String, String>> {
     val pagesCount = DSL.count(p.BOOK_ID)
     val hashedCount = DSL.sum(DSL.`when`(p.FILE_HASH.eq(""), 0).otherwise(1)).cast(Int::class.java)
     val neededHash = pageHashing * 2
     val neededHashForBook = DSL.`when`(pagesCount.lt(neededHash), pagesCount).otherwise(neededHash)
 
-    val r = dsl.select(b.ID)
+    return dsl.select(b.ID, b.SERIES_ID)
       .from(b)
       .leftJoin(p).on(b.ID.eq(p.BOOK_ID))
       .leftJoin(m).on(b.ID.eq(m.BOOK_ID))
       .where(b.LIBRARY_ID.eq(libraryId))
       .and(m.STATUS.eq(Media.Status.READY.name))
-      .groupBy(b.ID)
+      .and(m.MEDIA_TYPE.`in`(mediaTypes))
+      .groupBy(b.ID, b.SERIES_ID)
       .having(hashedCount.lt(neededHashForBook))
       .fetch()
-
-    return r.getValues(b.ID)
+      .map { Pair(it.value1(), it.value2()) }
   }
 
   override fun getPagesSize(bookId: String): Int =
diff --git a/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/PageHashDao.kt b/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/PageHashDao.kt
index 8b05eff3e..88ffbd93a 100644
--- a/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/PageHashDao.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/PageHashDao.kt
@@ -1,10 +1,12 @@
 package org.gotson.komga.infrastructure.jooq
 
 import org.gotson.komga.domain.model.PageHash
+import org.gotson.komga.domain.model.PageHashKnown
 import org.gotson.komga.domain.model.PageHashMatch
 import org.gotson.komga.domain.model.PageHashUnknown
 import org.gotson.komga.domain.persistence.PageHashRepository
 import org.gotson.komga.jooq.Tables
+import org.gotson.komga.jooq.tables.records.PageHashRecord
 import org.jooq.DSLContext
 import org.jooq.impl.DSL
 import org.springframework.data.domain.Page
@@ -13,7 +15,10 @@ import org.springframework.data.domain.PageRequest
 import org.springframework.data.domain.Pageable
 import org.springframework.data.domain.Sort
 import org.springframework.stereotype.Component
+import org.springframework.transaction.annotation.Transactional
 import java.net.URL
+import java.time.LocalDateTime
+import java.time.ZoneId
 
 @Component
 class PageHashDao(
@@ -22,8 +27,18 @@ class PageHashDao(
 
   private val p = Tables.MEDIA_PAGE
   private val b = Tables.BOOK
+  private val ph = Tables.PAGE_HASH
+  private val pht = Tables.PAGE_HASH_THUMBNAIL
 
-  private val sorts = mapOf(
+  private val sortsKnown = mapOf(
+    "hash" to ph.HASH,
+    "mediatype" to ph.MEDIA_TYPE,
+    "fileSize" to ph.SIZE,
+    "deleteCount" to ph.DELETE_COUNT,
+    "deleteSize" to ph.SIZE * ph.DELETE_COUNT,
+  )
+
+  private val sortsUnknown = mapOf(
     "hash" to p.FILE_HASH,
     "mediatype" to p.MEDIA_TYPE,
     "fileSize" to p.FILE_SIZE,
@@ -34,8 +49,37 @@ class PageHashDao(
     "pageNumber" to p.NUMBER,
   )
 
-  override fun findAllKnown(actions: List<PageHash.Action>?, pageable: Pageable): Page<PageHash> {
-    TODO("Not yet implemented")
+  override fun findKnown(pageHash: PageHash): PageHashKnown? =
+    dsl.selectFrom(ph)
+      .where(ph.HASH.eq(pageHash.hash))
+      .and(ph.MEDIA_TYPE.eq(pageHash.mediaType))
+      .apply {
+        if (pageHash.size == null) and(ph.SIZE.isNull)
+        else and(ph.SIZE.eq(pageHash.size))
+      }
+      .fetchOneInto(ph)
+      ?.toDomain()
+
+  override fun findAllKnown(actions: List<PageHashKnown.Action>?, pageable: Pageable): Page<PageHashKnown> {
+    val query = dsl.selectFrom(ph)
+      .apply { actions?.let { where(ph.ACTION.`in`(actions)) } }
+
+    val count = dsl.fetchCount(query)
+
+    val orderBy = pageable.sort.toOrderBy(sortsKnown)
+    val items = query
+      .orderBy(orderBy)
+      .apply { if (pageable.isPaged) limit(pageable.pageSize).offset(pageable.offset) }
+      .fetch()
+      .map { it.toDomain() }
+
+    val pageSort = if (orderBy.isNotEmpty()) pageable.sort else Sort.unsorted()
+    return PageImpl(
+      items,
+      if (pageable.isPaged) PageRequest.of(pageable.pageNumber, pageable.pageSize, pageSort)
+      else PageRequest.of(0, maxOf(count, 20), pageSort),
+      count.toLong(),
+    )
   }
 
   override fun findAllUnknown(pageable: Pageable): Page<PageHashUnknown> {
@@ -49,12 +93,25 @@ class PageHashDao(
     )
       .from(p)
       .where(p.FILE_HASH.ne(""))
+      .and(
+        DSL.notExists(
+          dsl.selectOne()
+            .from(ph)
+            .where(ph.HASH.eq(p.FILE_HASH))
+            .and(ph.MEDIA_TYPE.eq(p.MEDIA_TYPE))
+            .and(
+              ph.SIZE.eq(p.FILE_SIZE).or(
+                ph.SIZE.isNull.and(p.FILE_SIZE.isNull),
+              ),
+            ),
+        ),
+      )
       .groupBy(p.FILE_HASH, p.MEDIA_TYPE, p.FILE_SIZE)
       .having(DSL.count(p.BOOK_ID).gt(1))
 
     val count = dsl.fetchCount(query)
 
-    val orderBy = pageable.sort.toOrderBy(sorts)
+    val orderBy = pageable.sort.toOrderBy(sortsUnknown)
     val items = query
       .orderBy(orderBy)
       .apply { if (pageable.isPaged) limit(pageable.pageSize).offset(pageable.offset) }
@@ -71,7 +128,7 @@ class PageHashDao(
     )
   }
 
-  override fun findMatchesByHash(pageHash: PageHashUnknown, pageable: Pageable): Page<PageHashMatch> {
+  override fun findMatchesByHash(pageHash: PageHash, pageable: Pageable): Page<PageHashMatch> {
     val query = dsl.select(p.BOOK_ID, b.URL, p.NUMBER, p.FILE_NAME)
       .from(p)
       .leftJoin(b).on(p.BOOK_ID.eq(b.ID))
@@ -84,7 +141,7 @@ class PageHashDao(
 
     val count = dsl.fetchCount(query)
 
-    val orderBy = pageable.sort.toOrderBy(sorts)
+    val orderBy = pageable.sort.toOrderBy(sortsUnknown)
     val items = query
       .orderBy(orderBy)
       .apply { if (pageable.isPaged) limit(pageable.pageSize).offset(pageable.offset) }
@@ -106,7 +163,57 @@ class PageHashDao(
     )
   }
 
-  override fun getKnownThumbnail(hash: String): ByteArray? {
-    TODO("Not yet implemented")
+  override fun getKnownThumbnail(pageHash: PageHash): ByteArray? =
+    dsl.select(pht.THUMBNAIL)
+      .from(pht)
+      .where(pht.HASH.eq(pageHash.hash))
+      .and(pht.MEDIA_TYPE.eq(pageHash.mediaType))
+      .apply {
+        if (pageHash.size == null) and(pht.SIZE.isNull)
+        else and(pht.SIZE.eq(pageHash.size))
+      }
+      .fetchOne()?.value1()
+
+  @Transactional
+  override fun insert(pageHash: PageHashKnown, thumbnail: ByteArray?) {
+    dsl.insertInto(ph)
+      .set(ph.HASH, pageHash.hash)
+      .set(ph.MEDIA_TYPE, pageHash.mediaType)
+      .set(ph.SIZE, pageHash.size)
+      .set(ph.ACTION, pageHash.action.name)
+      .execute()
+
+    if (thumbnail != null) {
+      dsl.insertInto(pht)
+        .set(pht.HASH, pageHash.hash)
+        .set(pht.MEDIA_TYPE, pageHash.mediaType)
+        .set(pht.SIZE, pageHash.size)
+        .set(pht.THUMBNAIL, thumbnail)
+        .execute()
+    }
+  }
+
+  override fun update(pageHash: PageHashKnown) {
+    dsl.update(ph)
+      .set(ph.ACTION, pageHash.action.name)
+      .set(ph.LAST_MODIFIED_DATE, LocalDateTime.now(ZoneId.of("Z")))
+      .where(ph.HASH.eq(pageHash.hash))
+      .and(ph.MEDIA_TYPE.eq(pageHash.mediaType))
+      .apply {
+        if (pageHash.size == null) and(ph.SIZE.isNull)
+        else and(ph.SIZE.eq(pageHash.size))
+      }
+      .execute()
   }
 }
+
+private fun PageHashRecord.toDomain() =
+  PageHashKnown(
+    hash = hash,
+    mediaType = mediaType,
+    size = size,
+    deleteCount = deleteCount,
+    action = PageHashKnown.Action.valueOf(action),
+    createdDate = createdDate.toCurrentTimeZone(),
+    lastModifiedDate = lastModifiedDate.toCurrentTimeZone(),
+  )
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/PageHashController.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/PageHashController.kt
index 4c11596b9..83e64b196 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/PageHashController.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/PageHashController.kt
@@ -5,13 +5,14 @@ import io.swagger.v3.oas.annotations.media.Content
 import io.swagger.v3.oas.annotations.media.Schema
 import io.swagger.v3.oas.annotations.responses.ApiResponse
 import org.gotson.komga.domain.model.PageHash
-import org.gotson.komga.domain.model.PageHashUnknown
+import org.gotson.komga.domain.model.PageHashKnown
 import org.gotson.komga.domain.model.ROLE_ADMIN
 import org.gotson.komga.domain.persistence.PageHashRepository
 import org.gotson.komga.domain.service.PageHashLifecycle
 import org.gotson.komga.infrastructure.swagger.PageableAsQueryParam
 import org.gotson.komga.infrastructure.web.getMediaTypeOrDefault
-import org.gotson.komga.interfaces.api.rest.dto.PageHashDto
+import org.gotson.komga.interfaces.api.rest.dto.PageHashCreationDto
+import org.gotson.komga.interfaces.api.rest.dto.PageHashKnownDto
 import org.gotson.komga.interfaces.api.rest.dto.PageHashMatchDto
 import org.gotson.komga.interfaces.api.rest.dto.PageHashUnknownDto
 import org.gotson.komga.interfaces.api.rest.dto.toDto
@@ -24,11 +25,13 @@ import org.springframework.security.access.prepost.PreAuthorize
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.PutMapping
+import org.springframework.web.bind.annotation.RequestBody
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.ResponseStatus
 import org.springframework.web.bind.annotation.RestController
 import org.springframework.web.server.ResponseStatusException
+import javax.validation.Valid
 
 @RestController
 @RequestMapping("api/v1/page-hashes", produces = [MediaType.APPLICATION_JSON_VALUE])
@@ -40,16 +43,21 @@ class PageHashController(
 
   @GetMapping
   @PageableAsQueryParam
-  fun getPageHashes(
-    @RequestParam(name = "action", required = false) actions: List<PageHash.Action>?,
+  fun getKnownPageHashes(
+    @RequestParam(name = "action", required = false) actions: List<PageHashKnown.Action>?,
     @Parameter(hidden = true) page: Pageable,
-  ): Page<PageHashDto> =
+  ): Page<PageHashKnownDto> =
     pageHashRepository.findAllKnown(actions, page).map { it.toDto() }
 
-  @GetMapping("/{hash}/thumbnail", produces = [MediaType.IMAGE_JPEG_VALUE])
+  @GetMapping("/{pageHash}/thumbnail", produces = [MediaType.IMAGE_JPEG_VALUE])
   @ApiResponse(content = [Content(schema = Schema(type = "string", format = "binary"))])
-  fun getPageHashThumbnail(@PathVariable hash: String): ByteArray =
-    pageHashRepository.getKnownThumbnail(hash) ?: throw ResponseStatusException(HttpStatus.NOT_FOUND)
+  fun getKnownPageHashThumbnail(
+    @PathVariable pageHash: String,
+    @RequestParam("media_type") mediaType: String,
+    @RequestParam("file_size") size: Long,
+  ): ByteArray =
+    pageHashRepository.getKnownThumbnail(PageHash(pageHash, mediaType, size))
+      ?: throw ResponseStatusException(HttpStatus.NOT_FOUND)
 
   @GetMapping("/unknown")
   @PageableAsQueryParam
@@ -67,11 +75,7 @@ class PageHashController(
     @Parameter(hidden = true) page: Pageable,
   ): Page<PageHashMatchDto> =
     pageHashRepository.findMatchesByHash(
-      PageHashUnknown(
-        hash = pageHash,
-        mediaType = mediaType,
-        size = if (size < 0) null else size,
-      ),
+      PageHash(pageHash, mediaType, size),
       page,
     ).map { it.toDto() }
 
@@ -84,11 +88,7 @@ class PageHashController(
     @RequestParam("resize") resize: Int? = null,
   ): ResponseEntity<ByteArray> =
     pageHashLifecycle.getPage(
-      PageHashUnknown(
-        hash = pageHash,
-        mediaType = mediaType,
-        size = if (size < 0) null else size,
-      ),
+      PageHash(pageHash, mediaType, size),
       resize,
     )?.let {
       ResponseEntity.ok()
@@ -98,7 +98,20 @@ class PageHashController(
 
   @PutMapping
   @ResponseStatus(HttpStatus.ACCEPTED)
-  fun updatePageHash() {
-    TODO()
+  fun createKnownPageHash(
+    @Valid @RequestBody pageHash: PageHashCreationDto,
+  ) {
+    try {
+      pageHashLifecycle.createOrUpdate(
+        PageHashKnown(
+          hash = pageHash.hash,
+          mediaType = pageHash.mediaType,
+          size = pageHash.size,
+          action = pageHash.action,
+        ),
+      )
+    } catch (e: IllegalArgumentException) {
+      throw ResponseStatusException(HttpStatus.BAD_REQUEST, e.message)
+    }
   }
 }
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashCreationDto.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashCreationDto.kt
new file mode 100644
index 000000000..f73ce3538
--- /dev/null
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashCreationDto.kt
@@ -0,0 +1,11 @@
+package org.gotson.komga.interfaces.api.rest.dto
+
+import org.gotson.komga.domain.model.PageHashKnown
+import javax.validation.constraints.NotBlank
+
+data class PageHashCreationDto(
+  @get:NotBlank val hash: String,
+  @get:NotBlank val mediaType: String,
+  val size: Long? = null,
+  val action: PageHashKnown.Action,
+)
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashDto.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashKnownDto.kt
similarity index 71%
rename from komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashDto.kt
rename to komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashKnownDto.kt
index 3c971df3a..bcce66143 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashDto.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashKnownDto.kt
@@ -1,20 +1,20 @@
 package org.gotson.komga.interfaces.api.rest.dto
 
-import org.gotson.komga.domain.model.PageHash
+import org.gotson.komga.domain.model.PageHashKnown
 import java.time.LocalDateTime
 
-data class PageHashDto(
+data class PageHashKnownDto(
   val hash: String,
   val mediaType: String,
   val size: Long?,
-  val action: PageHash.Action,
+  val action: PageHashKnown.Action,
   val deleteCount: Int,
 
   val created: LocalDateTime,
   val lastModified: LocalDateTime,
 )
 
-fun PageHash.toDto() = PageHashDto(
+fun PageHashKnown.toDto() = PageHashKnownDto(
   hash = hash,
   mediaType = mediaType,
   size = size,
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashUnknownDto.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashUnknownDto.kt
index 77a9f414b..1475001b2 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashUnknownDto.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/dto/PageHashUnknownDto.kt
@@ -1,20 +1,17 @@
 package org.gotson.komga.interfaces.api.rest.dto
 
-import com.jakewharton.byteunits.BinaryByteUnit
 import org.gotson.komga.domain.model.PageHashUnknown
 
 data class PageHashUnknownDto(
   val hash: String,
   val mediaType: String,
-  val sizeBytes: Long?,
-  val size: String? = sizeBytes?.let { BinaryByteUnit.format(it) },
-  val totalSize: String ? = sizeBytes?.let { BinaryByteUnit.format(it * matchCount) },
+  val size: Long?,
   val matchCount: Int,
 )
 
 fun PageHashUnknown.toDto() = PageHashUnknownDto(
   hash = hash,
   mediaType = mediaType,
-  sizeBytes = size,
+  size = size,
   matchCount = matchCount,
 )
diff --git a/komga/src/test/kotlin/org/gotson/komga/domain/model/PageHashTest.kt b/komga/src/test/kotlin/org/gotson/komga/domain/model/PageHashTest.kt
new file mode 100644
index 000000000..b75e65733
--- /dev/null
+++ b/komga/src/test/kotlin/org/gotson/komga/domain/model/PageHashTest.kt
@@ -0,0 +1,28 @@
+package org.gotson.komga.domain.model
+
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.jupiter.api.Test
+
+class PageHashTest {
+
+  @Test
+  fun `given negative size when creating a PageHash then its size is null`() {
+    val pageHash = PageHash("abc", "image/jpeg", -5)
+
+    assertThat(pageHash.size).isNull()
+  }
+
+  @Test
+  fun `given null size when creating a PageHash then its size is null`() {
+    val pageHash = PageHash("abc", "image/jpeg", null)
+
+    assertThat(pageHash.size).isNull()
+  }
+
+  @Test
+  fun `given size when creating a PageHash then its size is not null`() {
+    val pageHash = PageHash("abc", "image/jpeg", 5)
+
+    assertThat(pageHash.size).isNotNull
+  }
+}
diff --git a/komga/src/test/kotlin/org/gotson/komga/domain/service/PageHashLifecycleTest.kt b/komga/src/test/kotlin/org/gotson/komga/domain/service/PageHashLifecycleTest.kt
new file mode 100644
index 000000000..2c24e06a7
--- /dev/null
+++ b/komga/src/test/kotlin/org/gotson/komga/domain/service/PageHashLifecycleTest.kt
@@ -0,0 +1,34 @@
+package org.gotson.komga.domain.service
+
+import org.assertj.core.api.Assertions.assertThat
+import org.assertj.core.api.Assertions.catchThrowable
+import org.gotson.komga.domain.model.PageHashKnown
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.test.context.junit.jupiter.SpringExtension
+
+@ExtendWith(SpringExtension::class)
+@SpringBootTest
+class PageHashLifecycleTest(
+  @Autowired private val pageHashLifecycle: PageHashLifecycle,
+) {
+
+  @Test
+  fun `given a page hash without size and action DELETE_AUTO when creating it then IllegalArgumentException is thrown`() {
+    // given
+    val pageHash = PageHashKnown(
+      hash = "abcdef",
+      mediaType = "image/jpeg",
+      size = null,
+      action = PageHashKnown.Action.DELETE_AUTO,
+    )
+
+    // when
+    val thrown = catchThrowable { pageHashLifecycle.createOrUpdate(pageHash) }
+
+    // then
+    assertThat(thrown).isExactlyInstanceOf(IllegalArgumentException::class.java)
+  }
+}
diff --git a/komga/src/test/kotlin/org/gotson/komga/infrastructure/jooq/MediaDaoTest.kt b/komga/src/test/kotlin/org/gotson/komga/infrastructure/jooq/MediaDaoTest.kt
index c0446713f..2b1c799bd 100644
--- a/komga/src/test/kotlin/org/gotson/komga/infrastructure/jooq/MediaDaoTest.kt
+++ b/komga/src/test/kotlin/org/gotson/komga/infrastructure/jooq/MediaDaoTest.kt
@@ -5,6 +5,7 @@ import org.assertj.core.api.Assertions.catchThrowable
 import org.gotson.komga.domain.model.BookPage
 import org.gotson.komga.domain.model.Dimension
 import org.gotson.komga.domain.model.Media
+import org.gotson.komga.domain.model.MediaType
 import org.gotson.komga.domain.model.makeBook
 import org.gotson.komga.domain.model.makeLibrary
 import org.gotson.komga.domain.model.makeSeries
@@ -213,19 +214,40 @@ class MediaDaoTest(
             mediaType = "image/jpeg",
           ),
         ),
+        mediaType = MediaType.ZIP.value,
         bookId = book.id,
       )
       mediaDao.insert(media)
 
-      val found = mediaDao.findAllBookIdsByLibraryIdAndWithMissingPageHash(book.libraryId, komgaProperties.pageHashing)
+      val found = mediaDao.findAllBookAndSeriesIdsByLibraryIdAndMediaTypeAndWithMissingPageHash(book.libraryId, listOf(MediaType.ZIP.value), komgaProperties.pageHashing)
 
       assertThat(found)
         .hasSize(1)
-        .containsOnly(book.id)
+        .containsOnly(Pair(book.id, book.seriesId))
     }
 
     @Test
-    fun `given media with no pages hashed when finding for missing page hash then it is returned`() {
+    fun `given non-convertible media not hashed when finding for missing page hash then it is returned`() {
+      val media = Media(
+        status = Media.Status.READY,
+        pages = listOf(
+          BookPage(
+            fileName = "1.jpg",
+            mediaType = "image/jpeg",
+          ),
+        ),
+        mediaType = MediaType.RAR_4.value,
+        bookId = book.id,
+      )
+      mediaDao.insert(media)
+
+      val found = mediaDao.findAllBookAndSeriesIdsByLibraryIdAndMediaTypeAndWithMissingPageHash(book.libraryId, listOf(MediaType.ZIP.value), komgaProperties.pageHashing)
+
+      assertThat(found).isEmpty()
+    }
+
+    @Test
+    fun `given media with no pages hashed when finding for missing page hash then it is not returned`() {
       val media = Media(
         status = Media.Status.READY,
         pages = (1..12).map {
@@ -234,15 +256,16 @@ class MediaDaoTest(
             mediaType = "image/jpeg",
           )
         },
+        mediaType = MediaType.ZIP.value,
         bookId = book.id,
       )
       mediaDao.insert(media)
 
-      val found = mediaDao.findAllBookIdsByLibraryIdAndWithMissingPageHash(book.libraryId, komgaProperties.pageHashing)
+      val found = mediaDao.findAllBookAndSeriesIdsByLibraryIdAndMediaTypeAndWithMissingPageHash(book.libraryId, listOf(MediaType.ZIP.value), komgaProperties.pageHashing)
 
       assertThat(found)
         .hasSize(1)
-        .containsOnly(book.id)
+        .containsOnly(Pair(book.id, book.seriesId))
     }
 
     @Test
@@ -256,11 +279,12 @@ class MediaDaoTest(
             fileHash = "hashed",
           ),
         ),
+        mediaType = MediaType.ZIP.value,
         bookId = book.id,
       )
       mediaDao.insert(media)
 
-      val found = mediaDao.findAllBookIdsByLibraryIdAndWithMissingPageHash(book.libraryId, komgaProperties.pageHashing)
+      val found = mediaDao.findAllBookAndSeriesIdsByLibraryIdAndMediaTypeAndWithMissingPageHash(book.libraryId, listOf(MediaType.ZIP.value), komgaProperties.pageHashing)
 
       assertThat(found).isEmpty()
     }
@@ -276,11 +300,12 @@ class MediaDaoTest(
             fileHash = if (it <= 3 || it >= 9) "hashed" else "",
           )
         },
+        mediaType = MediaType.ZIP.value,
         bookId = book.id,
       )
       mediaDao.insert(media)
 
-      val found = mediaDao.findAllBookIdsByLibraryIdAndWithMissingPageHash(book.libraryId, komgaProperties.pageHashing)
+      val found = mediaDao.findAllBookAndSeriesIdsByLibraryIdAndMediaTypeAndWithMissingPageHash(book.libraryId, listOf(MediaType.ZIP.value), komgaProperties.pageHashing)
 
       assertThat(found).isEmpty()
     }
@@ -296,11 +321,12 @@ class MediaDaoTest(
             fileHash = "hashed",
           )
         },
+        mediaType = MediaType.ZIP.value,
         bookId = book.id,
       )
       mediaDao.insert(media)
 
-      val found = mediaDao.findAllBookIdsByLibraryIdAndWithMissingPageHash(book.libraryId, komgaProperties.pageHashing)
+      val found = mediaDao.findAllBookAndSeriesIdsByLibraryIdAndMediaTypeAndWithMissingPageHash(book.libraryId, listOf(MediaType.ZIP.value), komgaProperties.pageHashing)
 
       assertThat(found).isEmpty()
     }
diff --git a/komga/src/test/kotlin/org/gotson/komga/infrastructure/jooq/PageHashDaoTest.kt b/komga/src/test/kotlin/org/gotson/komga/infrastructure/jooq/PageHashDaoTest.kt
new file mode 100644
index 000000000..de91b0848
--- /dev/null
+++ b/komga/src/test/kotlin/org/gotson/komga/infrastructure/jooq/PageHashDaoTest.kt
@@ -0,0 +1,139 @@
+package org.gotson.komga.infrastructure.jooq
+
+import org.assertj.core.api.Assertions.assertThat
+import org.gotson.komga.domain.model.BookPage
+import org.gotson.komga.domain.model.Media
+import org.gotson.komga.domain.model.PageHashKnown
+import org.gotson.komga.domain.model.makeBook
+import org.gotson.komga.domain.model.makeLibrary
+import org.gotson.komga.domain.model.makeSeries
+import org.gotson.komga.domain.persistence.BookRepository
+import org.gotson.komga.domain.persistence.LibraryRepository
+import org.gotson.komga.domain.persistence.SeriesRepository
+import org.junit.jupiter.api.AfterAll
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Nested
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.data.domain.Pageable
+import org.springframework.test.context.junit.jupiter.SpringExtension
+import java.time.LocalDateTime
+
+@ExtendWith(SpringExtension::class)
+@SpringBootTest
+class PageHashDaoTest(
+  @Autowired private val pageHashDao: PageHashDao,
+  @Autowired private val mediaDao: MediaDao,
+  @Autowired private val bookRepository: BookRepository,
+  @Autowired private val seriesRepository: SeriesRepository,
+  @Autowired private val libraryRepository: LibraryRepository,
+) {
+  private val library = makeLibrary()
+  private val series = makeSeries("Series", libraryId = library.id)
+  private val books = listOf(
+    makeBook("Book", libraryId = library.id, seriesId = series.id),
+    makeBook("Book2", libraryId = library.id, seriesId = series.id),
+  )
+
+  @BeforeAll
+  fun setup() {
+    libraryRepository.insert(library)
+    seriesRepository.insert(series)
+    bookRepository.insert(books)
+  }
+
+  @AfterEach
+  fun deleteMedia() {
+    bookRepository.findAll().forEach {
+      mediaDao.delete(it.id)
+    }
+  }
+
+  @AfterAll
+  fun tearDown() {
+    bookRepository.deleteAll()
+    seriesRepository.deleteAll()
+    libraryRepository.deleteAll()
+  }
+
+  @Nested
+  inner class Known {
+    @Test
+    fun `given a known page hash when inserting then it is persisted`() {
+      val now = LocalDateTime.now()
+      val pageHash = PageHashKnown(
+        hash = "hashed",
+        mediaType = "image/jpeg",
+        size = 10,
+        action = PageHashKnown.Action.IGNORE,
+      )
+
+      pageHashDao.insert(pageHash, null)
+      val known = pageHashDao.findKnown(pageHash)!!
+
+      assertThat(known.hash).isEqualTo(pageHash.hash)
+      assertThat(known.mediaType).isEqualTo(pageHash.mediaType)
+      assertThat(known.size).isEqualTo(pageHash.size)
+      assertThat(known.action).isEqualTo(pageHash.action)
+      assertThat(known.createdDate).isCloseTo(now, offset)
+      assertThat(known.lastModifiedDate).isCloseTo(now, offset)
+    }
+  }
+
+  @Nested
+  inner class Unknown {
+    @Test
+    fun `given known hashes when finding unknown then known are not included`() {
+      // given
+      pageHashDao.insert(
+        PageHashKnown(
+          hash = "hash-1",
+          mediaType = "image/jpeg",
+          size = 1,
+          action = PageHashKnown.Action.IGNORE,
+        ),
+        null,
+      )
+
+      pageHashDao.insert(
+        PageHashKnown(
+          hash = "hash-2",
+          mediaType = "image/jpeg",
+          size = null,
+          action = PageHashKnown.Action.IGNORE,
+        ),
+        null,
+      )
+
+      val media = Media(
+        status = Media.Status.READY,
+        mediaType = "application/zip",
+        pages = (1..10).map {
+          BookPage(
+            fileName = "$it.jpg",
+            mediaType = "image/jpeg",
+            fileHash = "hash-$it",
+            fileSize = it.toLong(),
+          )
+        },
+        files = listOf("ComicInfo.xml"),
+        comment = "comment",
+        bookId = books.first().id,
+      )
+      mediaDao.insert(media)
+      mediaDao.insert(media.copy(bookId = books.last().id))
+
+      // when
+      val unknown = pageHashDao.findAllUnknown(Pageable.unpaged())
+
+      // then
+      assertThat(unknown).hasSize(9)
+      assertThat(unknown.map { it.hash })
+        .doesNotContain("hash-1")
+        .containsExactlyInAnyOrderElementsOf((2..10).map { "hash-$it" })
+    }
+  }
+}