Reader: Save reading progress with SQLDelight (#7185)

* Use SQLDelight in reader to update history

* Move chapter progress to sqldelight

* Review Changes

Co-Authored-By: inorichi <len@kanade.eu>

* Review Changes 2

Co-authored-by: FourTOne5 <59261191+FourTOne5@users.noreply.github.com>
Co-authored-by: inorichi <len@kanade.eu>

app/src/main/sqldelight/data/chapters.sq

@@ -26,4 +26,19 @@ WHERE _id = :id;
 getChapterByMangaId:
 SELECT *
 FROM chapters
-WHERE manga_id = :mangaId;
+WHERE manga_id = :mangaId;
+
+update:
+UPDATE chapters
+SET manga_id = coalesce(:mangaId, manga_id),
+    url = coalesce(:url, url),
+    name = coalesce(:name, name),
+    scanlator = coalesce(:scanlator, scanlator),
+    read = coalesce(:read, read),
+    bookmark = coalesce(:bookmark, bookmark),
+    last_page_read = coalesce(:lastPageRead, last_page_read),
+    chapter_number = coalesce(:chapterNumber, chapter_number),
+    source_order = coalesce(:sourceOrder, source_order),
+    date_fetch = coalesce(:dateFetch, date_fetch),
+    date_upload = coalesce(:dateUpload, date_upload)
+WHERE _id = :chapterId;

app/src/main/sqldelight/data/history.sq

@@ -1,31 +1,31 @@
 import java.util.Date;
 
 CREATE TABLE history(
-    history_id INTEGER NOT NULL PRIMARY KEY,
-    history_chapter_id INTEGER NOT NULL UNIQUE,
-    history_last_read INTEGER AS Date,
-    history_time_read INTEGER AS Date,
-    FOREIGN KEY(history_chapter_id) REFERENCES chapters (_id)
+    _id INTEGER NOT NULL PRIMARY KEY,
+    chapter_id INTEGER NOT NULL UNIQUE,
+    last_read INTEGER AS Date,
+    time_read INTEGER NOT NULL,
+    FOREIGN KEY(chapter_id) REFERENCES chapters (_id)
     ON DELETE CASCADE
 );
 
-CREATE INDEX history_history_chapter_id_index ON history(history_chapter_id);
+CREATE INDEX history_history_chapter_id_index ON history(chapter_id);
 
 resetHistoryById:
 UPDATE history
-SET history_last_read = 0
-WHERE history_id = :historyId;
+SET last_read = 0
+WHERE _id = :historyId;
 
 resetHistoryByMangaId:
 UPDATE history
-SET history_last_read = 0
-WHERE history_id IN (
-    SELECT H.history_id
+SET last_read = 0
+WHERE _id IN (
+    SELECT H._id
     FROM mangas M
     INNER JOIN chapters C
     ON M._id = C.manga_id
     INNER JOIN history H
-    ON C._id = H.history_chapter_id
+    ON C._id = H.chapter_id
     WHERE M._id = :mangaId
 );
 
@@ -34,4 +34,14 @@ DELETE FROM history;
 
 removeResettedHistory:
 DELETE FROM history
-WHERE history_last_read = 0;
+WHERE last_read = 0;
+
+insert:
+INSERT INTO history(chapter_id, last_read, time_read)
+VALUES (:chapterId, :readAt, :readDuration);
+
+update:
+UPDATE history
+SET last_read = :readAt,
+    time_read = time_read + :sessionReadDuration
+WHERE chapter_id = :chapterId;

app/src/main/sqldelight/migrations/15.sqm

@@ -0,0 +1,52 @@
+import java.util.Date;
+
+DROP INDEX IF EXISTS history_history_chapter_id_index;
+DROP VIEW IF EXISTS historyView;
+
+/**
+ *  [last_read] was made not-null
+ *  [time_read] was kept as long and made non-null
+ *  `history` prefix was removed from table name
+ */
+ALTER TABLE history RENAME TO history_temp;
+CREATE TABLE history(
+    _id INTEGER NOT NULL PRIMARY KEY,
+    chapter_id INTEGER NOT NULL UNIQUE,
+    last_read INTEGER AS Date NOT NULL,
+    time_read INTEGER NOT NULL,
+    FOREIGN KEY(chapter_id) REFERENCES chapters (_id)
+    ON DELETE CASCADE
+);
+INSERT INTO history
+SELECT history_id, history_chapter_id, coalesce(history_last_read, 0), coalesce(history_time_read, 0)
+FROM history_temp;
+
+/**
+ *  [history.time_read] was added as a column in [historyView]
+ */
+CREATE VIEW historyView AS
+SELECT
+    history._id AS id,
+    mangas._id AS mangaId,
+    chapters._id AS chapterId,
+    mangas.title,
+    mangas.thumbnail_url AS thumbnailUrl,
+    chapters.chapter_number AS chapterNumber,
+    history.last_read AS readAt,
+    history.time_read AS readDuration,
+    max_last_read.last_read AS maxReadAt,
+    max_last_read.chapter_id AS maxReadAtChapterId
+FROM mangas
+JOIN chapters
+ON mangas._id = chapters.manga_id
+JOIN history
+ON chapters._id = history.chapter_id
+JOIN (
+    SELECT chapters.manga_id,chapters._id AS chapter_id, MAX(history.last_read) AS last_read
+    FROM chapters JOIN history
+    ON chapters._id = history.chapter_id
+    GROUP BY chapters.manga_id
+) AS max_last_read
+ON chapters.manga_id = max_last_read.manga_id;
+
+CREATE INDEX history_history_chapter_id_index ON history(chapter_id);

app/src/main/sqldelight/view/historyView.sq

@@ -1,24 +1,25 @@
 CREATE VIEW historyView AS
 SELECT
-history.history_id AS id,
-mangas._id AS mangaId,
-chapters._id AS chapterId,
-mangas.title,
-mangas.thumbnail_url AS thumnailUrl,
-chapters.chapter_number AS chapterNumber,
-history.history_last_read AS readAt,
-max_last_read.history_last_read AS maxReadAt,
-max_last_read.history_chapter_id AS maxReadAtChapterId
+    history._id AS id,
+    mangas._id AS mangaId,
+    chapters._id AS chapterId,
+    mangas.title,
+    mangas.thumbnail_url AS thumbnailUrl,
+    chapters.chapter_number AS chapterNumber,
+    history.last_read AS readAt,
+    history.time_read AS readDuration,
+    max_last_read.last_read AS maxReadAt,
+    max_last_read.chapter_id AS maxReadAtChapterId
 FROM mangas
 JOIN chapters
 ON mangas._id = chapters.manga_id
 JOIN history
-ON chapters._id = history.history_chapter_id
+ON chapters._id = history.chapter_id
 JOIN (
-SELECT chapters.manga_id,chapters._id AS history_chapter_id, MAX(history.history_last_read) AS history_last_read
-FROM chapters JOIN history
-ON chapters._id = history.history_chapter_id
-GROUP BY chapters.manga_id
+    SELECT chapters.manga_id,chapters._id AS chapter_id, MAX(history.last_read) AS last_read
+    FROM chapters JOIN history
+    ON chapters._id = history.chapter_id
+    GROUP BY chapters.manga_id
 ) AS max_last_read
 ON chapters.manga_id = max_last_read.manga_id;
 
@@ -35,9 +36,10 @@ id,
 mangaId,
 chapterId,
 title,
-thumnailUrl,
+thumbnailUrl,
 chapterNumber,
-readAt
+readAt,
+readDuration
 FROM historyView
 WHERE historyView.readAt > 0
 AND maxReadAtChapterId = historyView.chapterId