Move chapter files into new folder

src/modules/chapter/services/ChaptersWithMeta.ts

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+import {
+    ChapterBookmarkInfo,
+    ChapterDownloadInfo,
+    ChapterDownloadStatus,
+    ChapterReadInfo,
+    Chapters,
+} from '@/modules/chapter/services/Chapters.ts';
+import { DownloadState } from '@/lib/graphql/generated/graphql.ts';
+
+export type ChapterWithMetaType<
+    Chapter extends ChapterDownloadInfo & ChapterReadInfo & ChapterBookmarkInfo = ChapterDownloadInfo &
+        ChapterReadInfo &
+        ChapterBookmarkInfo,
+> = {
+    chapter: Chapter;
+    downloadChapter: ChapterDownloadStatus | undefined;
+};
+
+export class ChaptersWithMeta {
+    static getChapters<ChaptersWithMeta extends ChapterWithMetaType>(
+        chapters: ChaptersWithMeta[],
+    ): ChaptersWithMeta['chapter'][] {
+        return chapters.map(({ chapter }) => chapter);
+    }
+
+    static getIds(chapters: ChapterWithMetaType[]): number[] {
+        return Chapters.getIds(ChaptersWithMeta.getChapters(chapters));
+    }
+
+    static getDownloaded<Chapter extends ChapterWithMetaType>(chapters: Chapter[]): Chapter[] {
+        return chapters.filter(({ chapter }) => Chapters.isDownloaded(chapter));
+    }
+
+    static getDeletable<Chapter extends ChapterWithMetaType>(
+        chapters: Chapter[],
+        canDeleteBookmarked?: boolean,
+    ): Chapter[] {
+        return chapters.filter(({ chapter }) => Chapters.isDeletable(chapter, canDeleteBookmarked));
+    }
+
+    static getNonDownloaded<Chapter extends ChapterWithMetaType>(chapters: Chapter[]): Chapter[] {
+        return chapters.filter(({ chapter }) => !Chapters.isDownloaded(chapter));
+    }
+
+    static isDownloadable<Chapter extends ChapterWithMetaType>({ chapter, downloadChapter }: Chapter): boolean {
+        return !Chapters.isDownloaded(chapter) && (!downloadChapter || downloadChapter?.state === DownloadState.Error);
+    }
+
+    static getDownloadable<Chapter extends ChapterWithMetaType>(chapters: Chapter[]): Chapter[] {
+        return chapters.filter(this.isDownloadable);
+    }
+
+    static getBookmarked<Chapter extends ChapterWithMetaType>(chapters: Chapter[]): Chapter[] {
+        return chapters.filter(({ chapter }) => Chapters.isBookmarked(chapter));
+    }
+
+    static getNonBookmarked<Chapter extends ChapterWithMetaType>(chapters: Chapter[]): Chapter[] {
+        return chapters.filter(({ chapter }) => !Chapters.isBookmarked(chapter));
+    }
+
+    static getRead<Chapter extends ChapterWithMetaType>(chapters: Chapter[]): Chapter[] {
+        return chapters.filter(({ chapter }) => Chapters.isRead(chapter));
+    }
+
+    static getNonRead<Chapter extends ChapterWithMetaType>(chapters: Chapter[]): Chapter[] {
+        return chapters.filter(({ chapter }) => !Chapters.isRead(chapter));
+    }
+}