repository has now first level cache

package.json

@@ -50,7 +50,7 @@
     "imagemin-pngquant": "8.0.0",
     "ini": "1.3.5",
     "is-svg": "4.2.1",
-    "jimp": "0.10.0",
+    "jimp": "0.10.1",
     "mime-types": "2.1.26",
     "multer": "1.4.2",
     "node-abi": "2.15.0",
@@ -77,7 +77,7 @@
     "yazl": "^2.5.1"
   },
   "devDependencies": {
-    "electron": "9.0.0-beta.13",
+    "electron": "9.0.0-beta.14",
     "electron-builder": "22.4.1",
     "electron-packager": "14.2.1",
     "electron-rebuild": "1.10.1",

src/entities/attribute.js

@@ -45,11 +45,7 @@ class Attribute extends Entity {
      * @returns {Promise<Note|null>}
      */
     async getNote() {
-        if (!this.__note) {
+        return await repository.getNote(this.noteId);
-            this.__note = await repository.getEntity("SELECT * FROM notes WHERE noteId = ?", [this.noteId]);
-        }
-
-        return this.__note;
     }
 
     /**
@@ -64,11 +60,7 @@ class Attribute extends Entity {
             return null;
         }
 
-        if (!this.__targetNote) {
+        return await repository.getNote(this.value);
-            this.__targetNote = await repository.getEntity("SELECT * FROM notes WHERE noteId = ?", [this.value]);
-        }
-
-        return this.__targetNote;
     }
 
     /**

src/entities/branch.js

@@ -28,9 +28,14 @@ class Branch extends Entity {
     // notePosition is not part of hash because it would produce a lot of updates in case of reordering
     static get hashedProperties() { return ["branchId", "noteId", "parentNoteId", "isDeleted", "deleteId", "prefix"]; }
 
-    /** @returns {Note|null} */
+    /** @returns {Promise<Note|null>} */
     async getNote() {
-        return await repository.getEntity("SELECT * FROM notes WHERE noteId = ?", [this.noteId]);
+        return await repository.getNote(this.noteId);
+    }
+
+    /** @returns {Promise<Note|null>} */
+    async getParentNote() {
+        return await repository.getNote(this.parentNoteId);
     }
 
     async beforeSaving() {

src/entities/note_revision.js

@@ -48,7 +48,7 @@ class NoteRevision extends Entity {
     }
 
     async getNote() {
-        return await repository.getEntity("SELECT * FROM notes WHERE noteId = ?", [this.noteId]);
+        return await repository.getNote(this.noteId);
     }
 
     /** @returns {boolean} true if the note has string content (not binary) */

src/services/cls.js

@@ -37,6 +37,14 @@ function reset() {
     clsHooked.reset();
 }
 
+function getEntityFromCache(entityName, entityId) {
+    return namespace.get(entityName + '-' + entityId);
+}
+
+function setEntityToCache(entityName, entityId, entity) {
+    return namespace.set(entityName + '-' + entityId, entity);
+}
+
 module.exports = {
     init,
     wrap,
@@ -46,5 +54,7 @@ module.exports = {
     isEntityEventsDisabled,
     reset,
     getSyncRows,
-    addSyncRow
+    addSyncRow,
+    getEntityFromCache,
+    setEntityToCache
 };

src/services/notes.js

@@ -544,16 +544,22 @@ async function deleteBranch(branch, deleteId, taskContext) {
         note.deleteId = deleteId;
         await note.save();
 
+        console.log("Deleting note", note.noteId);
+
         for (const attribute of await note.getOwnedAttributes()) {
             attribute.isDeleted = true;
             attribute.deleteId = deleteId;
             await attribute.save();
+
+            console.log("Deleting note's", note.noteId, "attribute", attribute.attributeId);
         }
 
         for (const relation of await note.getTargetRelations()) {
             relation.isDeleted = true;
             relation.deleteId = deleteId;
             await relation.save();
+
+            console.log("Deleting note's", note.noteId, "target relation", relation.attributeId);
         }
 
         return true;

src/services/repository.js

@@ -37,9 +37,21 @@ async function getEntity(query, params = []) {
     return entityConstructor.createEntityFromRow(row);
 }
 
+async function getCachedEntity(entityName, entityId, query) {
+    let entity = cls.getEntityFromCache(entityName, entityId);
+
+    if (!entity) {
+        entity = await getEntity(query, [entityId]);
+
+        cls.setEntityToCache(entityName, entityId, entity);
+    }
+
+    return entity;
+}
+
 /** @returns {Promise<Note|null>} */
 async function getNote(noteId) {
-    return await getEntity("SELECT * FROM notes WHERE noteId = ?", [noteId]);
+    return await getCachedEntity('notes', noteId, "SELECT * FROM notes WHERE noteId = ?");
 }
 
 /** @returns {Promise<Note[]>} */
@@ -59,17 +71,17 @@ async function getNotes(noteIds) {
 
 /** @returns {Promise<NoteRevision|null>} */
 async function getNoteRevision(noteRevisionId) {
-    return await getEntity("SELECT * FROM note_revisions WHERE noteRevisionId = ?", [noteRevisionId]);
+    return await getCachedEntity('note_revisions', noteRevisionId, "SELECT * FROM note_revisions WHERE noteRevisionId = ?");
 }
 
 /** @returns {Promise<Branch|null>} */
 async function getBranch(branchId) {
-    return await getEntity("SELECT * FROM branches WHERE branchId = ?", [branchId]);
+    return await getCachedEntity('branches', branchId, "SELECT * FROM branches WHERE branchId = ?", [branchId]);
 }
 
 /** @returns {Promise<Attribute|null>} */
 async function getAttribute(attributeId) {
-    return await getEntity("SELECT * FROM attributes WHERE attributeId = ?", [attributeId]);
+    return await getCachedEntity('attributes', attributeId, "SELECT * FROM attributes WHERE attributeId = ?");
 }
 
 /** @returns {Promise<Option|null>} */