2017-12-23 22:35:00 +08:00
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"use strict";
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const sql = require('../../services/sql');
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const utils = require('../../services/utils');
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const sync_table = require('../../services/sync_table');
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2017-12-24 02:16:18 +08:00
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const log = require('../../services/log');
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2017-12-23 22:35:00 +08:00
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2018-03-31 05:07:41 +08:00
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async function cleanupSoftDeletedItems() {
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const noteIdsToDelete = await sql.getColumn("SELECT noteId FROM notes WHERE isDeleted = 1");
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const noteIdsSql = noteIdsToDelete
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.map(noteId => "'" + utils.sanitizeSql(noteId) + "'")
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.join(', ');
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2017-12-23 22:35:00 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute(`DELETE FROM event_log WHERE noteId IN (${noteIdsSql})`);
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2017-12-23 22:35:00 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute(`DELETE FROM note_revisions WHERE noteId IN (${noteIdsSql})`);
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2017-12-23 22:35:00 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute(`DELETE FROM note_images WHERE noteId IN (${noteIdsSql})`);
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2018-01-10 11:09:45 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute(`DELETE FROM labels WHERE noteId IN (${noteIdsSql})`);
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2018-01-10 11:09:45 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute("DELETE FROM branches WHERE isDeleted = 1");
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2017-12-23 22:35:00 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute("DELETE FROM note_images WHERE isDeleted = 1");
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2018-01-08 03:07:59 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute("DELETE FROM images WHERE isDeleted = 1");
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2018-01-08 03:07:59 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute("DELETE FROM notes WHERE isDeleted = 1");
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2017-12-23 22:35:00 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute("DELETE FROM recent_notes");
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2017-12-23 22:35:00 +08:00
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2018-03-31 05:07:41 +08:00
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await sync_table.cleanupSyncRowsForMissingEntities("notes", "noteId");
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await sync_table.cleanupSyncRowsForMissingEntities("branches", "branchId");
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await sync_table.cleanupSyncRowsForMissingEntities("note_revisions", "noteRevisionId");
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await sync_table.cleanupSyncRowsForMissingEntities("recent_notes", "branchId");
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2017-12-24 02:16:18 +08:00
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2018-03-31 05:07:41 +08:00
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log.info("Following notes has been completely cleaned from database: " + noteIdsSql);
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}
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2017-12-23 22:35:00 +08:00
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2018-03-31 05:07:41 +08:00
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async function cleanupUnusedImages() {
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const unusedImageIds = await sql.getColumn(`
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SELECT images.imageId
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FROM images
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LEFT JOIN note_images ON note_images.imageId = images.imageId AND note_images.isDeleted = 0
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WHERE
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images.isDeleted = 0
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AND note_images.noteImageId IS NULL`);
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2018-01-08 03:07:59 +08:00
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2018-03-31 05:07:41 +08:00
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const now = utils.nowDate();
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2018-01-08 03:07:59 +08:00
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2018-03-31 05:07:41 +08:00
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for (const imageId of unusedImageIds) {
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log.info(`Deleting unused image: ${imageId}`);
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2018-01-08 03:07:59 +08:00
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2018-03-31 05:07:41 +08:00
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await sql.execute("UPDATE images SET isDeleted = 1, data = null, dateModified = ? WHERE imageId = ?",
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[now, imageId]);
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2018-01-08 03:07:59 +08:00
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2018-03-31 07:41:54 +08:00
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await sync_table.addImageSync(imageId);
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2018-03-31 05:07:41 +08:00
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}
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}
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2018-01-08 03:07:59 +08:00
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2018-03-31 05:07:41 +08:00
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async function vacuumDatabase() {
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2017-12-23 22:35:00 +08:00
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await sql.execute("VACUUM");
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2017-12-24 02:16:18 +08:00
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log.info("Database has been vacuumed.");
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2018-03-31 05:07:41 +08:00
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}
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2017-12-24 02:16:18 +08:00
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2018-03-31 05:07:41 +08:00
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module.exports = {
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cleanupSoftDeletedItems,
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cleanupUnusedImages,
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vacuumDatabase
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};
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