[#1496] Image conversion (#1505)

* [#1496] First conversion attempt

* [#1496] Configurable conversion

* Fix: allow nested configs (map)

* [#1496] Support explicit `none` conversion

* Use MimeUtils for provided download

* [1496] Support image conversion on load for downloaded images

* Lint

* [#1496] Support conversion on fresh download as well

Previous commit was only for already downloaded images, now also for
fresh and cached

* [#1496] Refactor: Move where conversion for download happens

* Rewrite config handling, improve custom types

* Lint

* Add format to pages mutation

* Lint

* Standardize url encode

* Lint

* Config: Allow additional conversion parameters

* Implement conversion quality parameter

* Lint

* Implement a conversion util to allow fallback readers

* Add downloadConversions to api and backup, fix updateValue issues

* Lint

* Minor cleanup

* Update libs.versions.toml

---------

Co-authored-by: Syer10 <syer10@users.noreply.github.com>

server/src/main/kotlin/suwayomi/tachidesk/manga/impl/backup/proto/ProtoBackupExport.kt

@@ -37,6 +37,7 @@ import suwayomi.tachidesk.manga.impl.backup.proto.models.BackupChapter
 import suwayomi.tachidesk.manga.impl.backup.proto.models.BackupHistory
 import suwayomi.tachidesk.manga.impl.backup.proto.models.BackupManga
 import suwayomi.tachidesk.manga.impl.backup.proto.models.BackupServerSettings
+import suwayomi.tachidesk.manga.impl.backup.proto.models.BackupServerSettings.BackupSettingsDownloadConversionType
 import suwayomi.tachidesk.manga.impl.backup.proto.models.BackupSource
 import suwayomi.tachidesk.manga.impl.backup.proto.models.BackupTracking
 import suwayomi.tachidesk.manga.impl.track.Track
@@ -408,6 +409,14 @@ object ProtoBackupExport : ProtoBackupBase() {
             autoDownloadAheadLimit = 0, // deprecated
             autoDownloadNewChaptersLimit = serverConfig.autoDownloadNewChaptersLimit.value,
             autoDownloadIgnoreReUploads = serverConfig.autoDownloadIgnoreReUploads.value,
+            downloadConversions =
+                serverConfig.downloadConversions.value.map {
+                    BackupSettingsDownloadConversionType(
+                        it.key,
+                        it.value.target,
+                        it.value.compressionLevel,
+                    )
+                },
             // extension
             extensionRepos = serverConfig.extensionRepos.value,
             // requests

server/src/main/kotlin/suwayomi/tachidesk/manga/impl/backup/proto/models/BackupServerSettings.kt

@@ -5,6 +5,7 @@ import kotlinx.serialization.protobuf.ProtoNumber
 import org.jetbrains.exposed.sql.SortOrder
 import suwayomi.tachidesk.graphql.types.AuthMode
 import suwayomi.tachidesk.graphql.types.Settings
+import suwayomi.tachidesk.graphql.types.SettingsDownloadConversion
 import suwayomi.tachidesk.graphql.types.WebUIChannel
 import suwayomi.tachidesk.graphql.types.WebUIFlavor
 import suwayomi.tachidesk.graphql.types.WebUIInterface
@@ -35,6 +36,7 @@ data class BackupServerSettings(
     @ProtoNumber(19) override var autoDownloadAheadLimit: Int,
     @ProtoNumber(20) override var autoDownloadNewChaptersLimit: Int,
     @ProtoNumber(21) override var autoDownloadIgnoreReUploads: Boolean,
+    @ProtoNumber(57) override val downloadConversions: List<BackupSettingsDownloadConversionType>?,
     // extension
     @ProtoNumber(22) override var extensionRepos: List<String>,
     // requests
@@ -82,4 +84,11 @@ data class BackupServerSettings(
     @ProtoNumber(53) override var opdsShowOnlyUnreadChapters: Boolean,
     @ProtoNumber(54) override var opdsShowOnlyDownloadedChapters: Boolean,
     @ProtoNumber(55) override var opdsChapterSortOrder: SortOrder,
-) : Settings
+) : Settings {
+    @Serializable
+    class BackupSettingsDownloadConversionType(
+        @ProtoNumber(1) override val mimeType: String,
+        @ProtoNumber(2) override val target: String,
+        @ProtoNumber(3) override val compressionLevel: Float?,
+    ) : SettingsDownloadConversion
+}