[#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/graphql/mutations/ChapterMutation.kt

@@ -16,6 +16,7 @@ import suwayomi.tachidesk.manga.impl.chapter.getChapterDownloadReadyById
 import suwayomi.tachidesk.manga.model.table.ChapterMetaTable
 import suwayomi.tachidesk.manga.model.table.ChapterTable
 import suwayomi.tachidesk.server.JavalinSetup.future
+import java.net.URLEncoder
 import java.time.Instant
 import java.util.concurrent.CompletableFuture
 
@@ -226,7 +227,15 @@ class ChapterMutation {
     data class FetchChapterPagesInput(
         val clientMutationId: String? = null,
         val chapterId: Int,
-    )
+        val format: String? = null,
+    ) {
+        fun toParams(): Map<String, String> =
+            buildMap {
+                if (!format.isNullOrBlank()) {
+                    put("format", format)
+                }
+            }
+    }
 
     data class FetchChapterPagesPayload(
         val clientMutationId: String?,
@@ -236,16 +245,32 @@ class ChapterMutation {
 
     fun fetchChapterPages(input: FetchChapterPagesInput): CompletableFuture<DataFetcherResult<FetchChapterPagesPayload?>> {
         val (clientMutationId, chapterId) = input
+        val paramsMap = input.toParams()
 
         return future {
             asDataFetcherResult {
                 val chapter = getChapterDownloadReadyById(chapterId)
 
+                val params =
+                    buildString {
+                        if (paramsMap.isNotEmpty()) {
+                            append("?")
+                            paramsMap.entries.forEach { entry ->
+                                if (length > 1) {
+                                    append("&")
+                                }
+                                append(entry.key)
+                                append("=")
+                                append(URLEncoder.encode(entry.value, Charsets.UTF_8))
+                            }
+                        }
+                    }
+
                 FetchChapterPagesPayload(
                     clientMutationId = clientMutationId,
                     pages =
                         List(chapter.pageCount) { index ->
-                            "/api/v1/manga/${chapter.mangaId}/chapter/${chapter.index}/page/$index"
+                            "/api/v1/manga/${chapter.mangaId}/chapter/${chapter.index}/page/${index}$params"
                         },
                     chapter = ChapterType(chapter),
                 )