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fix: find duplicate books by hash and file size

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closes #771
This commit is contained in:
Gauthier Roebroeck 2022-01-10 13:58:02 +08:00
parent 594194fafd
commit 4e055f037a
2 changed files with 44 additions and 3 deletions
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6
komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/BookDtoDao.kt
View file

@ -206,11 +206,11 @@ class BookDtoDao(
}
override fun findAllDuplicates(userId: String, pageable: Pageable): Page<BookDto> {
val hashes = dsl.select(b.FILE_HASH, DSL.count(b.FILE_HASH))
val hashes = dsl.select(b.FILE_HASH, DSL.count(b.ID))
.from(b)
.where(b.FILE_HASH.ne(""))
.groupBy(b.FILE_HASH)
.having(DSL.count(b.FILE_HASH).gt(1))
.groupBy(b.FILE_HASH, b.FILE_SIZE)
.having(DSL.count(b.ID).gt(1))
.fetch()
.associate { it.value1() to it.value2() }

41
komga/src/test/kotlin/org/gotson/komga/infrastructure/jooq/BookDtoDaoTest.kt
View file

@ -37,6 +37,7 @@ 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.PageRequest
import org.springframework.data.domain.Pageable
import org.springframework.data.domain.Sort
import org.springframework.test.context.junit.jupiter.SpringExtension
import java.net.URL
@ -700,4 +701,44 @@ class BookDtoDaoTest(
assertThat(found).hasSize(1)
}
}
@Nested
inner class Duplicates {
@Test
fun `given books with same hash and size when searching then results are returned`() {
// given
seriesLifecycle.addBooks(
series,
listOf(
makeBook("Book 1", seriesId = series.id, libraryId = library.id).copy(fileHash = "hashed", fileSize = 10),
makeBook("Book 2", seriesId = series.id, libraryId = library.id).copy(fileHash = "hashed", fileSize = 10),
),
)
// when
val found = bookDtoDao.findAllDuplicates(user.id, Pageable.unpaged(),).content
// then
assertThat(found).hasSize(2)
assertThat(found.map { it.name }).containsExactlyInAnyOrder("Book 1", "Book 2")
}
@Test
fun `given books with same hash but different size when searching then no results are returned`() {
// given
seriesLifecycle.addBooks(
series,
listOf(
makeBook("Book 1", seriesId = series.id, libraryId = library.id).copy(fileHash = "hashed", fileSize = 10),
makeBook("Book 2", seriesId = series.id, libraryId = library.id).copy(fileHash = "hashed", fileSize = 12),
),
)
// when
val found = bookDtoDao.findAllDuplicates(user.id, Pageable.unpaged(),).content
// then
assertThat(found).isEmpty()
}
}
}