moved becca to top level source dir

src/becca/entities/branch.js

@@ -0,0 +1,114 @@
+"use strict";
+
+const Note = require('./note.js');
+const AbstractEntity = require("./abstract_entity.js");
+const sql = require("../../services/sql.js");
+const dateUtils = require("../../services/date_utils.js");
+
+class Branch extends AbstractEntity {
+    static get entityName() { return "branches"; }
+    static get primaryKeyName() { return "branchId"; }
+    // 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", "prefix"]; }
+
+    constructor(row) {
+        super();
+
+        /** @param {string} */
+        this.branchId = row.branchId;
+        /** @param {string} */
+        this.noteId = row.noteId;
+        /** @param {string} */
+        this.parentNoteId = row.parentNoteId;
+        /** @param {string} */
+        this.prefix = row.prefix;
+        /** @param {int} */
+        this.notePosition = row.notePosition;
+        /** @param {boolean} */
+        this.isExpanded = !!row.isExpanded;
+
+        if (this.branchId === 'root') {
+            return;
+        }
+
+        const childNote = this.childNote;
+        const parentNote = this.parentNote;
+
+        childNote.parents.push(parentNote);
+        childNote.parentBranches.push(this);
+
+        parentNote.children.push(childNote);
+
+        this.becca.branches[this.branchId] = this;
+        this.becca.childParentToBranch[`${this.noteId}-${this.parentNoteId}`] = this;
+    }
+
+    /** @return {Note} */
+    get childNote() {
+        if (!(this.noteId in this.becca.notes)) {
+            // entities can come out of order in sync, create skeleton which will be filled later
+            this.becca.notes[this.noteId] = new Note({noteId: this.noteId});
+        }
+
+        return this.becca.notes[this.noteId];
+    }
+
+    getNote() {
+        return this.childNote;
+    }
+
+    /** @return {Note} */
+    get parentNote() {
+        if (!(this.parentNoteId in this.becca.notes)) {
+            // entities can come out of order in sync, create skeleton which will be filled later
+            this.becca.notes[this.parentNoteId] = new Note({noteId: this.parentNoteId});
+        }
+
+        return this.becca.notes[this.parentNoteId];
+    }
+
+    beforeSaving() {
+        if (this.notePosition === undefined || this.notePosition === null) {
+            // TODO finding new position can be refactored into becca
+            const maxNotePos = sql.getValue('SELECT MAX(notePosition) FROM branches WHERE parentNoteId = ? AND isDeleted = 0', [this.parentNoteId]);
+            this.notePosition = maxNotePos === null ? 0 : maxNotePos + 10;
+        }
+
+        if (!this.isExpanded) {
+            this.isExpanded = false;
+        }
+
+        this.utcDateModified = dateUtils.utcNowDateTime();
+
+        super.beforeSaving();
+
+        this.becca.branches[this.branchId] = this;
+    }
+
+    getPojo() {
+        return {
+            branchId: this.branchId,
+            noteId: this.noteId,
+            parentNoteId: this.parentNoteId,
+            prefix: this.prefix,
+            notePosition: this.notePosition,
+            isExpanded: this.isExpanded,
+            isDeleted: false,
+            utcDateModified: this.utcDateModified,
+            // not used for anything, will be later dropped
+            utcDateCreated: dateUtils.utcNowDateTime()
+        };
+    }
+
+    createClone(parentNoteId, notePosition) {
+        return new Branch({
+            noteId: this.noteId,
+            parentNoteId: parentNoteId,
+            notePosition: notePosition,
+            prefix: this.prefix,
+            isExpanded: this.isExpanded
+        });
+    }
+}
+
+module.exports = Branch;