feat: Add Performers tab to Group detail page (#5895)

* Feat(#1401): Show all performers from group's scenes on group detail
* Add Groups criterion to performers
---------
Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

graphql/schema/types/filters.graphql

@@ -168,6 +168,8 @@ input PerformerFilterType {
   death_year: IntCriterionInput
   "Filter by studios where performer appears in scene/image/gallery"
   studios: HierarchicalMultiCriterionInput
+  "Filter by groups where performer appears in scene"
+  groups: HierarchicalMultiCriterionInput
   "Filter by performers where performer appears with another performer in scene/image/gallery"
   performers: MultiCriterionInput
   "Filter by autotag ignore value"

graphql/schema/types/group.graphql

@@ -27,6 +27,7 @@ type Group {
   front_image_path: String # Resolver
   back_image_path: String # Resolver
   scene_count(depth: Int): Int! # Resolver
+  performer_count(depth: Int): Int! # Resolver
   sub_group_count(depth: Int): Int! # Resolver
   scenes: [Scene!]!
 }

internal/api/resolver_model_movie.go

@@ -7,6 +7,7 @@ import (
 	"github.com/stashapp/stash/internal/api/urlbuilders"
 	"github.com/stashapp/stash/pkg/group"
 	"github.com/stashapp/stash/pkg/models"
+	"github.com/stashapp/stash/pkg/performer"
 	"github.com/stashapp/stash/pkg/scene"
 )
 
@@ -181,6 +182,17 @@ func (r *groupResolver) SceneCount(ctx context.Context, obj *models.Group, depth
 	return ret, nil
 }
 
+func (r *groupResolver) PerformerCount(ctx context.Context, obj *models.Group, depth *int) (ret int, err error) {
+	if err := r.withReadTxn(ctx, func(ctx context.Context) error {
+		ret, err = performer.CountByGroupID(ctx, r.repository.Performer, obj.ID, depth)
+		return err
+	}); err != nil {
+		return 0, err
+	}
+
+	return ret, nil
+}
+
 func (r *groupResolver) Scenes(ctx context.Context, obj *models.Group) (ret []*models.Scene, err error) {
 	if err := r.withReadTxn(ctx, func(ctx context.Context) error {
 		var err error

pkg/models/performer.go

@@ -178,6 +178,8 @@ type PerformerFilterType struct {
 	DeathYear *IntCriterionInput `json:"death_year"`
 	// Filter by studios where performer appears in scene/image/gallery
 	Studios *HierarchicalMultiCriterionInput `json:"studios"`
+	// Filter by groups where performer appears in scene
+	Groups *HierarchicalMultiCriterionInput `json:"groups"`
 	// Filter by performers where performer appears with another performer in scene/image/gallery
 	Performers *MultiCriterionInput `json:"performers"`
 	// Filter by autotag ignore value

pkg/performer/query.go

@@ -19,6 +19,18 @@ func CountByStudioID(ctx context.Context, r models.PerformerQueryer, id int, dep
 	return r.QueryCount(ctx, filter, nil)
 }
 
+func CountByGroupID(ctx context.Context, r models.PerformerQueryer, id int, depth *int) (int, error) {
+	filter := &models.PerformerFilterType{
+		Groups: &models.HierarchicalMultiCriterionInput{
+			Value:    []string{strconv.Itoa(id)},
+			Modifier: models.CriterionModifierIncludes,
+			Depth:    depth,
+		},
+	}
+
+	return r.QueryCount(ctx, filter, nil)
+}
+
 func CountByTagID(ctx context.Context, r models.PerformerQueryer, id int, depth *int) (int, error) {
 	filter := &models.PerformerFilterType{
 		Tags: &models.HierarchicalMultiCriterionInput{

pkg/sqlite/performer_filter.go

@@ -155,6 +155,8 @@ func (qb *performerFilterHandler) criterionHandler() criterionHandler {
 
 		qb.studiosCriterionHandler(filter.Studios),
 
+		qb.groupsCriterionHandler(filter.Groups),
+
 		qb.appearsWithCriterionHandler(filter.Performers),
 
 		qb.tagCountCriterionHandler(filter.TagCount),
@@ -487,6 +489,119 @@ func (qb *performerFilterHandler) studiosCriterionHandler(studios *models.Hierar
 	}
 }
 
+func (qb *performerFilterHandler) groupsCriterionHandler(groups *models.HierarchicalMultiCriterionInput) criterionHandlerFunc {
+	return func(ctx context.Context, f *filterBuilder) {
+		if groups != nil {
+			if groups.Modifier == models.CriterionModifierIsNull || groups.Modifier == models.CriterionModifierNotNull {
+				var notClause string
+				if groups.Modifier == models.CriterionModifierNotNull {
+					notClause = "NOT"
+				}
+
+				f.addLeftJoin(performersScenesTable, "", "performers_scenes.performer_id = performers.id")
+				f.addLeftJoin(groupsScenesTable, "", "performers_scenes.scene_id = groups_scenes.scene_id")
+
+				f.addWhere(fmt.Sprintf("%s groups_scenes.group_id IS NULL", notClause))
+				return
+			}
+
+			if len(groups.Value) == 0 {
+				return
+			}
+
+			var clauseCondition string
+
+			switch groups.Modifier {
+			case models.CriterionModifierIncludes:
+				// return performers who appear in scenes with any of the given groups
+				clauseCondition = "NOT"
+			case models.CriterionModifierExcludes:
+				// exclude performers who appear in scenes with any of the given groups
+				clauseCondition = ""
+			default:
+				return
+			}
+
+			const derivedPerformerGroupTable = "performer_group"
+
+			// Simplified approach: direct group-scene-performer relationship without hierarchy
+			var args []interface{}
+			for _, val := range groups.Value {
+				args = append(args, val)
+			}
+
+			// If depth is specified and not 0, we need hierarchy, otherwise use simple approach
+			depthVal := 0
+			if groups.Depth != nil {
+				depthVal = *groups.Depth
+			}
+
+			if depthVal == 0 {
+				// Simple case: no hierarchy, direct group relationship
+				f.addWith(fmt.Sprintf("group_values(id) AS (VALUES %s)", strings.Repeat("(?),", len(groups.Value)-1)+"(?)"), args...)
+
+				templStr := `SELECT performer_id FROM {joinTable}
+	INNER JOIN {primaryTable} ON {joinTable}.scene_id = {primaryTable}.scene_id
+	INNER JOIN group_values ON {primaryTable}.{groupFK} = group_values.id`
+
+				formatMaps := []utils.StrFormatMap{
+					{
+						"primaryTable": groupsScenesTable,
+						"joinTable":    performersScenesTable,
+						"primaryFK":    sceneIDColumn,
+						"groupFK":      groupIDColumn,
+					},
+				}
+
+				var unions []string
+				for _, c := range formatMaps {
+					unions = append(unions, utils.StrFormat(templStr, c))
+				}
+
+				f.addWith(fmt.Sprintf("%s AS (%s)", derivedPerformerGroupTable, strings.Join(unions, " UNION ")))
+			} else {
+				// Complex case: with hierarchy
+				var depthCondition string
+				if depthVal != -1 {
+					depthCondition = fmt.Sprintf("WHERE depth < %d", depthVal)
+				}
+
+				// Build recursive CTE for group hierarchy
+				hierarchyQuery := fmt.Sprintf(`group_hierarchy AS (
+SELECT sub_id AS root_id, sub_id AS item_id, 0 AS depth FROM groups_relations WHERE sub_id IN%s
+UNION
+SELECT root_id, sub_id, depth + 1 FROM groups_relations INNER JOIN group_hierarchy ON item_id = containing_id %s
+)`, getInBinding(len(groups.Value)), depthCondition)
+
+				f.addRecursiveWith(hierarchyQuery, args...)
+
+				templStr := `SELECT performer_id FROM {joinTable}
+	INNER JOIN {primaryTable} ON {joinTable}.scene_id = {primaryTable}.scene_id
+	INNER JOIN group_hierarchy ON {primaryTable}.{groupFK} = group_hierarchy.item_id`
+
+				formatMaps := []utils.StrFormatMap{
+					{
+						"primaryTable": groupsScenesTable,
+						"joinTable":    performersScenesTable,
+						"primaryFK":    sceneIDColumn,
+						"groupFK":      groupIDColumn,
+					},
+				}
+
+				var unions []string
+				for _, c := range formatMaps {
+					unions = append(unions, utils.StrFormat(templStr, c))
+				}
+
+				f.addWith(fmt.Sprintf("%s AS (%s)", derivedPerformerGroupTable, strings.Join(unions, " UNION ")))
+			}
+
+			f.addLeftJoin(derivedPerformerGroupTable, "", fmt.Sprintf("performers.id = %s.performer_id", derivedPerformerGroupTable))
+			f.addWhere(fmt.Sprintf("%s.performer_id IS %s NULL", derivedPerformerGroupTable, clauseCondition))
+		}
+	}
+}
+
 func (qb *performerFilterHandler) appearsWithCriterionHandler(performers *models.MultiCriterionInput) criterionHandlerFunc {
 	return func(ctx context.Context, f *filterBuilder) {
 		if performers != nil {

ui/v2.5/graphql/data/group.graphql

@@ -28,6 +28,8 @@ fragment GroupData on Group {
   back_image_path
   scene_count
   scene_count_all: scene_count(depth: -1)
+  performer_count
+  performer_count_all: performer_count(depth: -1)
   sub_group_count
   sub_group_count_all: sub_group_count(depth: -1)
 

ui/v2.5/src/components/Groups/GroupDetails/Group.tsx

@@ -41,9 +41,10 @@ import {
 } from "src/components/Shared/DetailsPage/Tabs";
 import { Button, Tab, Tabs } from "react-bootstrap";
 import { GroupSubGroupsPanel } from "./GroupSubGroupsPanel";
+import { GroupPerformersPanel } from "./GroupPerformersPanel";
 import { Icon } from "src/components/Shared/Icon";
 
-const validTabs = ["default", "scenes", "subgroups"] as const;
+const validTabs = ["default", "scenes", "performers", "subgroups"] as const;
 type TabKey = (typeof validTabs)[number];
 
 function isTabKey(tab: string): tab is TabKey {
@@ -55,15 +56,23 @@ const GroupTabs: React.FC<{
   group: GQL.GroupDataFragment;
   abbreviateCounter: boolean;
 }> = ({ tabKey, group, abbreviateCounter }) => {
-  const { scene_count: sceneCount, sub_group_count: groupCount } = group;
+  const {
+    scene_count: sceneCount,
+    performer_count: performerCount,
+    sub_group_count: groupCount,
+  } = group;
 
   const populatedDefaultTab = useMemo(() => {
-    if (sceneCount == 0 && groupCount !== 0) {
+    if (sceneCount == 0) {
+      if (performerCount != 0) {
+        return "performers";
+      } else if (groupCount !== 0) {
         return "subgroups";
       }
+    }
 
     return "scenes";
-  }, [sceneCount, groupCount]);
+  }, [sceneCount, performerCount, groupCount]);
 
   const { setTabKey } = useTabKey({
     tabKey,
@@ -92,6 +101,18 @@ const GroupTabs: React.FC<{
       >
         <GroupScenesPanel active={tabKey === "scenes"} group={group} />
       </Tab>
+      <Tab
+        eventKey="performers"
+        title={
+          <TabTitleCounter
+            messageID="performers"
+            count={performerCount}
+            abbreviateCounter={abbreviateCounter}
+          />
+        }
+      >
+        <GroupPerformersPanel active={tabKey === "performers"} group={group} />
+      </Tab>
       <Tab
         eventKey="subgroups"
         title={

ui/v2.5/src/components/Groups/GroupDetails/GroupPerformersPanel.tsx

@@ -0,0 +1,27 @@
+import React from "react";
+import * as GQL from "src/core/generated-graphql";
+import { useGroupFilterHook } from "src/core/groups";
+import { PerformerList } from "src/components/Performers/PerformerList";
+import { View } from "src/components/List/views";
+
+interface IGroupPerformersPanel {
+  active: boolean;
+  group: GQL.GroupDataFragment;
+  showChildGroupContent?: boolean;
+}
+
+export const GroupPerformersPanel: React.FC<IGroupPerformersPanel> = ({
+  active,
+  group,
+  showChildGroupContent,
+}) => {
+  const filterHook = useGroupFilterHook(group, showChildGroupContent);
+
+  return (
+    <PerformerList
+      filterHook={filterHook}
+      alterQuery={active}
+      view={View.GroupPerformers}
+    />
+  );
+};

ui/v2.5/src/components/List/views.ts

@@ -32,4 +32,5 @@ export enum View {
 
   GroupScenes = "group_scenes",
   GroupSubGroups = "group_sub_groups",
+  GroupPerformers = "group_performers",
 }

ui/v2.5/src/core/groups.ts

@@ -1,5 +1,40 @@
 import * as GQL from "src/core/generated-graphql";
 import TextUtils from "src/utils/text";
+import {
+  GroupsCriterion,
+  GroupsCriterionOption,
+} from "src/models/list-filter/criteria/groups";
+import { ListFilterModel } from "src/models/list-filter/filter";
+
+export const useGroupFilterHook = (
+  group: GQL.GroupDataFragment,
+  showChildGroupContent?: boolean
+) => {
+  return (filter: ListFilterModel) => {
+    const groupValue = { id: group.id, label: group.name };
+    // if group is already present, then we modify it, otherwise add
+    let groupCriterion = filter.criteria.find((c) => {
+      return c.criterionOption.type === "groups";
+    }) as GroupsCriterion | undefined;
+
+    if (groupCriterion) {
+      // we should be showing group only. Remove other values
+      groupCriterion.value.items = [groupValue];
+      groupCriterion.modifier = GQL.CriterionModifier.Includes;
+    } else {
+      groupCriterion = new GroupsCriterion(GroupsCriterionOption);
+      groupCriterion.value = {
+        items: [groupValue],
+        excluded: [],
+        depth: showChildGroupContent ? -1 : 0,
+      };
+      groupCriterion.modifier = GQL.CriterionModifier.Includes;
+      filter.criteria.push(groupCriterion);
+    }
+
+    return filter;
+  };
+};
 
 export const scrapedGroupToCreateInput = (toCreate: GQL.ScrapedGroup) => {
   const input: GQL.GroupCreateInput = {

ui/v2.5/src/models/list-filter/performers.ts

@@ -18,6 +18,7 @@ import { CriterionType, DisplayMode } from "./types";
 import { CountryCriterionOption } from "./criteria/country";
 import { RatingCriterionOption } from "./criteria/rating";
 import { CustomFieldsCriterionOption } from "./criteria/custom-fields";
+import { GroupsCriterionOption } from "./criteria/groups";
 
 const defaultSortBy = "name";
 const sortByOptions = [
@@ -90,6 +91,7 @@ const criterionOptions = [
   CircumcisedCriterionOption,
   PerformerIsMissingCriterionOption,
   TagsCriterionOption,
+  GroupsCriterionOption,
   StudiosCriterionOption,
   StashIDCriterionOption,
   createStringCriterionOption("url"),