v2.0.0

src/main/worker/dbService/modules/download/dbHelper.ts

@@ -0,0 +1,64 @@
+import { getDB } from '../../db'
+import {
+  createQueryStatement,
+  createInsertStatement,
+  createDeleteStatement,
+  createUpdateStatement,
+  createUpdatePositionStatement,
+  createClearStatement,
+} from './statements'
+
+/**
+ * 查询下载歌曲列表
+ */
+export const queryDownloadList = (): LX.DBService.DownloadMusicInfo[] => {
+  const queryStatement = createQueryStatement()
+  return queryStatement.all()
+}
+
+/**
+ * 批量插入下载歌曲并刷新顺序
+ * @param mInfos 列表
+ */
+export const inertDownloadList = (mInfos: LX.DBService.DownloadMusicInfo[], listPositions: Array<{ id: string, position: number }>) => {
+  const db = getDB()
+  const insertStatement = createInsertStatement()
+  const updatePositionStatement = createUpdatePositionStatement()
+  db.transaction((mInfos: LX.DBService.DownloadMusicInfo[]) => {
+    for (const info of mInfos) insertStatement.run(info)
+    for (const info of listPositions) updatePositionStatement.run(info)
+  })(mInfos)
+}
+
+/**
+ * 批量删除下载歌曲
+ * @param ids 列表
+ */
+export const deleteDownloadList = (ids: string[]) => {
+  const db = getDB()
+  const deleteStatement = createDeleteStatement()
+  db.transaction((ids: string[]) => {
+    for (const id of ids) deleteStatement.run(id)
+  })(ids)
+}
+
+/**
+ * 批量更新下载歌曲
+ * @param urlInfo 列表
+ */
+export const updateDownloadList = (urlInfo: LX.DBService.DownloadMusicInfo[]) => {
+  const db = getDB()
+  const updateStatement = createUpdateStatement()
+  db.transaction((urlInfo: LX.DBService.DownloadMusicInfo[]) => {
+    for (const info of urlInfo) updateStatement.run(info)
+  })(urlInfo)
+}
+
+/**
+ * 清空下载歌曲列表
+ */
+export const clearDownloadList = () => {
+  const clearStatement = createClearStatement()
+  clearStatement.run()
+}
+