cleanup obsolete image code

src/routes/api/cleanup.js

@@ -2,25 +2,6 @@
 
 const sql = require('../../services/sql');
 const log = require('../../services/log');
-const repository = require('../../services/repository');
-
-async function cleanupUnusedImages() {
-    const unusedImages = await repository.getEntities(`
-      SELECT images.* 
-      FROM images 
-        LEFT JOIN note_images ON note_images.imageId = images.imageId AND note_images.isDeleted = 0
-      WHERE
-        images.isDeleted = 0
-        AND note_images.noteImageId IS NULL`);
-
-    for (const image of unusedImages) {
-        log.info(`Deleting unused image: ${image.imageId}`);
-
-        image.isDeleted = true;
-        image.data = null;
-        await image.save();
-    }
-}
 
 async function vacuumDatabase() {
     await sql.execute("VACUUM");
@@ -28,13 +9,6 @@ async function vacuumDatabase() {
     log.info("Database has been vacuumed.");
 }
 
-// Running this periodically is a bit dangerous because it is possible during the normal usage
-// that user removed image from its only note, but keeps its URL in clipboard and pastes it into
-// a different note. If this cleanup happens during this moment, we delete the image before new note_images
-// reference is created. But currently we don't have a better way to do this.
-setInterval(cleanupUnusedImages, 4 * 3600 * 1000);
-
 module.exports = {
-    cleanupUnusedImages,
     vacuumDatabase
 };