refactoring of note deletion

src/entities/branch.js

@@ -2,11 +2,16 @@
 
 const Entity = require('./entity');
 const utils = require('../services/utils');
+const repository = require('../services/repository');
 
 class Branch extends Entity {
     static get tableName() { return "branches"; }
     static get primaryKeyName() { return "branchId"; }
 
+    async getNote() {
+        return await repository.getEntity("SELECT * FROM notes WHERE noteId = ?", [this.noteId]);
+    }
+
     beforeSaving() {
         this.dateModified = utils.nowDate()
     }

src/entities/entity.js

@@ -1,6 +1,7 @@
 "use strict";
 
 const utils = require('../services/utils');
+const repository = require('../services/repository');
 
 class Entity {
     constructor(row) {
@@ -10,6 +11,10 @@ class Entity {
             this[key] = row[key];
         }
     }
+
+    async save() {
+        await repository.updateEntity(this);
+    }
 }
 
 module.exports = Entity;

src/entities/note.js

@@ -84,11 +84,11 @@ class Note extends Entity {
         return await repository.getEntities("SELECT * FROM note_images WHERE noteId = ? AND isDeleted = 0", [this.noteId]);
     }
 
-    async getTrees() {
+    async getBranches() {
         return await repository.getEntities("SELECT * FROM branches WHERE isDeleted = 0 AND noteId = ?", [this.noteId]);
     }
 
-    async getChild(name) {
+    async getChildNote(name) {
         return await repository.getEntity(`
           SELECT notes.* 
           FROM branches 
@@ -99,7 +99,7 @@ class Note extends Entity {
                 AND notes.title = ?`, [this.noteId, name]);
     }
 
-    async getChildren() {
+    async getChildNotes() {
         return await repository.getEntities(`
           SELECT notes.* 
           FROM branches 
@@ -110,7 +110,16 @@ class Note extends Entity {
           ORDER BY branches.notePosition`, [this.noteId]);
     }
 
-    async getParents() {
+    async getChildBranches() {
+        return await repository.getEntities(`
+          SELECT branches.* 
+          FROM branches 
+          WHERE branches.isDeleted = 0
+                AND branches.parentNoteId = ?
+          ORDER BY branches.notePosition`, [this.noteId]);
+    }
+
+    async getParentNotes() {
         return await repository.getEntities(`
           SELECT parent_notes.* 
           FROM 
@@ -121,16 +130,6 @@ class Note extends Entity {
                 AND parent_notes.isDeleted = 0`, [this.noteId]);
     }
 
-    async getBranch() {
-        return await repository.getEntities(`
-          SELECT branches.* 
-          FROM branches 
-            JOIN notes USING(noteId) 
-          WHERE notes.isDeleted = 0
-                AND branches.isDeleted = 0
-                AND branches.noteId = ?`, [this.noteId]);
-    }
-
     beforeSaving() {
         if (this.isJson()) {
             this.content = JSON.stringify(this.jsonContent, null, '\t');

src/public/javascripts/entities/note_short.js

@@ -17,7 +17,7 @@ class NoteShort {
         const branches = [];
 
         for (const parent of this.treeCache.parents[this.noteId]) {
-            branches.push(await this.treeCache.getBranchByChildParent(this.noteId, p.noteId));
+            branches.push(await this.treeCache.getBranchByChildParent(this.noteId, parent.noteId));
         }
 
         return branches;

src/public/javascripts/services/tree_keybindings.js

@@ -7,7 +7,7 @@ import editTreePrefixDialog from "../dialogs/edit_tree_prefix.js";
 
 const keyBindings = {
     "del": node => {
-        treeChangesService.deleteNodes(getSelectedNodes(true));
+        treeChangesService.deleteNodes(treeService.getSelectedNodes(true));
     },
     "ctrl+up": node => {
         const beforeNode = node.getPrevSibling();

src/routes/api/tree_changes.js

@@ -5,6 +5,7 @@ const utils = require('../../services/utils');
 const sync_table = require('../../services/sync_table');
 const tree = require('../../services/tree');
 const notes = require('../../services/notes');
+const repository = require('../../services/repository');
 
 /**
  * Code in this file deals with moving and cloning note tree rows. Relationship between note and parent note is unique
@@ -101,7 +102,9 @@ async function setExpanded(req) {
 }
 
 async function deleteBranch(req) {
-    await notes.deleteNote(req.params.branchId);
+    const branch = await repository.getBranch(req.params.branchId);
+
+    await notes.deleteNote(branch);
 }
 
 module.exports = {

src/services/notes.js

@@ -115,7 +115,7 @@ async function createNote(parentNoteId, title, content = "", extraOptions = {})
 async function protectNoteRecursively(note, protect) {
     await protectNote(note, protect);
 
-    for (const child of await note.getChildren()) {
+    for (const child of await note.getChildNotes()) {
         await protectNoteRecursively(child, protect);
     }
 }
@@ -229,30 +229,23 @@ async function updateNote(noteId, noteUpdates) {
     await protectNoteRevisions(note);
 }
 
-async function deleteNote(branchId) {
-    const branch = await sql.getRowOrNull("SELECT * FROM branches WHERE branchId = ?", [branchId]);
-
+async function deleteNote(branch) {
     if (!branch || branch.isDeleted === 1) {
         return;
     }
 
-    const now = utils.nowDate();
+    branch.isDeleted = true;
+    await branch.save();
 
-    await sql.execute("UPDATE branches SET isDeleted = 1, dateModified = ? WHERE branchId = ?", [now, branchId]);
-    await sync_table.addBranchSync(branchId);
+    const note = await branch.getNote();
+    const notDeletedBranches = await note.getBranches();
 
-    const noteId = await sql.getValue("SELECT noteId FROM branches WHERE branchId = ?", [branchId]);
+    if (notDeletedBranches.length === 0) {
+        note.isDeleted = true;
+        await note.save();
 
-    const notDeletedBranchsCount = await sql.getValue("SELECT COUNT(*) FROM branches WHERE noteId = ? AND isDeleted = 0", [noteId]);
-
-    if (!notDeletedBranchsCount) {
-        await sql.execute("UPDATE notes SET isDeleted = 1, dateModified = ? WHERE noteId = ?", [now, noteId]);
-        await sync_table.addNoteSync(noteId);
-
-        const children = await sql.getRows("SELECT branchId FROM branches WHERE parentNoteId = ? AND isDeleted = 0", [noteId]);
-
-        for (const child of children) {
-            await deleteNote(child.branchId);
+        for (const childBranch of await note.getChildBranches()) {
+            await deleteNote(childBranch);
         }
     }
 }

src/services/repository.js

@@ -29,6 +29,10 @@ async function getNote(noteId) {
     return await getEntity("SELECT * FROM notes WHERE noteId = ?", [noteId]);
 }
 
+async function getBranch(branchId) {
+    return await getEntity("SELECT * FROM branches WHERE branchId = ?", [branchId]);
+}
+
 async function updateEntity(entity) {
     if (entity.beforeSaving) {
         entity.beforeSaving();
@@ -49,6 +53,7 @@ module.exports = {
     getEntities,
     getEntity,
     getNote,
+    getBranch,
     updateEntity,
     setEntityConstructor
 };

src/services/script.js

@@ -99,7 +99,7 @@ async function getScriptBundle(note, root = true, scriptEnv = null, includedNote
 
     const modules = [];
 
-    for (const child of await note.getChildren()) {
+    for (const child of await note.getChildNotes()) {
         const childBundle = await getScriptBundle(child, false, scriptEnv, includedNoteIds);
 
         if (childBundle) {