add ability to delete downloaded chapters

CHANGELOG.md

@@ -1,4 +1,4 @@
-# Server: v0.5.0-r911 + WebUI: r789
+# Server: v0.5.0-r918 + WebUI: r791
 ## TL;DR
 <!-- TODO: fill before release -->
 
@@ -6,6 +6,7 @@
 ### Public API
 #### Non-breaking changes
 - (r915) add BasicAuth support
+- (r918) add ability to delete downloaded chapters
 
 #### Breaking changes
 - N/A
@@ -21,7 +22,8 @@
 
 ## Tachidesk-WebUI
 #### Visible changes
-- N/A
+- (r790) nice looking progress percentage
+- (r791) show a Delete button for downloaded chapters
 
 #### Bug fixes
 - N/A

buildSrc/src/main/kotlin/Constants.kt

@@ -14,7 +14,7 @@ const val MainClass = "suwayomi.tachidesk.MainKt"
 // should be bumped with each stable release
 val tachideskVersion = System.getenv("ProductVersion") ?: "v0.5.0"
 
-val webUIRevisionTag = System.getenv("WebUIRevision") ?: "r789"
+val webUIRevisionTag = System.getenv("WebUIRevision") ?: "r791"
 
 // counts commits on the master branch
 val tachideskRevision = runCatching {

server/src/main/kotlin/suwayomi/tachidesk/manga/MangaAPI.kt

@@ -65,6 +65,7 @@ object MangaAPI {
             get("{mangaId}/chapters", MangaController::chapterList)
             get("{mangaId}/chapter/{chapterIndex}", MangaController::chapterRetrieve)
             patch("{mangaId}/chapter/{chapterIndex}", MangaController::chapterModify)
+            delete("{mangaId}/chapter/{chapterIndex}", MangaController::chapterDelete)
 
             patch("{mangaId}/chapter/{chapterIndex}/meta", MangaController::chapterMeta)
 

server/src/main/kotlin/suwayomi/tachidesk/manga/controller/MangaController.kt

@@ -124,6 +124,16 @@ object MangaController {
         ctx.status(200)
     }
 
+    /** delete a downloaded chapter */
+    fun chapterDelete(ctx: Context) {
+        val chapterIndex = ctx.pathParam("chapterIndex").toInt()
+        val mangaId = ctx.pathParam("mangaId").toInt()
+
+        Chapter.deleteChapter(mangaId, chapterIndex)
+
+        ctx.status(200)
+    }
+
     /** used to modify a chapter's meta parameters */
     fun chapterMeta(ctx: Context) {
         val chapterIndex = ctx.pathParam("chapterIndex").toInt()

server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Chapter.kt

@@ -18,6 +18,7 @@ import org.jetbrains.exposed.sql.select
 import org.jetbrains.exposed.sql.transactions.transaction
 import org.jetbrains.exposed.sql.update
 import suwayomi.tachidesk.manga.impl.Manga.getManga
+import suwayomi.tachidesk.manga.impl.Page.getChapterDir
 import suwayomi.tachidesk.manga.impl.Page.getPageName
 import suwayomi.tachidesk.manga.impl.util.GetHttpSource.getHttpSource
 import suwayomi.tachidesk.manga.impl.util.lang.awaitSingle
@@ -28,6 +29,7 @@ import suwayomi.tachidesk.manga.model.table.ChapterTable
 import suwayomi.tachidesk.manga.model.table.MangaTable
 import suwayomi.tachidesk.manga.model.table.PageTable
 import suwayomi.tachidesk.manga.model.table.toDataClass
+import java.io.File
 import java.time.Instant
 
 object Chapter {
@@ -267,16 +269,16 @@ object Chapter {
 
     fun modifyChapterMeta(mangaId: Int, chapterIndex: Int, key: String, value: String) {
         transaction {
-            val chapter =
+            val chapterId =
                 ChapterTable.select { (ChapterTable.manga eq mangaId) and (ChapterTable.chapterIndex eq chapterIndex) }
-                    .first()[ChapterTable.id]
+                    .first()[ChapterTable.id].value
             val meta =
-                transaction { ChapterMetaTable.select { (ChapterMetaTable.ref eq chapter) and (ChapterMetaTable.key eq key) } }.firstOrNull()
+                transaction { ChapterMetaTable.select { (ChapterMetaTable.ref eq chapterId) and (ChapterMetaTable.key eq key) } }.firstOrNull()
             if (meta == null) {
                 ChapterMetaTable.insert {
                     it[ChapterMetaTable.key] = key
                     it[ChapterMetaTable.value] = value
-                    it[ChapterMetaTable.ref] = chapter
+                    it[ChapterMetaTable.ref] = chapterId
                 }
             } else {
                 ChapterMetaTable.update {
@@ -285,4 +287,20 @@ object Chapter {
             }
         }
     }
+
+    fun deleteChapter(mangaId: Int, chapterIndex: Int) {
+        transaction {
+            val chapterId =
+                ChapterTable.select { (ChapterTable.manga eq mangaId) and (ChapterTable.chapterIndex eq chapterIndex) }
+                    .first()[ChapterTable.id].value
+
+            val chapterDir = getChapterDir(mangaId, chapterId)
+
+            File(chapterDir).deleteRecursively()
+
+            ChapterTable.update({ (ChapterTable.manga eq mangaId) and (ChapterTable.chapterIndex eq chapterIndex) }) {
+                it[isDownloaded] = false
+            }
+        }
+    }
 }