note cache breakup into classes, WIP

src/services/note_cache/entities/attribute.js

@@ -0,0 +1,43 @@
+class Attribute {
+    constructor(row) {
+        /** @param {string} */
+        this.attributeId = row.attributeId;
+        /** @param {string} */
+        this.noteId = row.noteId;
+        /** @param {string} */
+        this.type = row.type;
+        /** @param {string} */
+        this.name = row.name;
+        /** @param {string} */
+        this.value = row.value;
+        /** @param {boolean} */
+        this.isInheritable = !!row.isInheritable;
+
+        notes[this.noteId].ownedAttributes.push(this);
+
+        const key = `${this.type-this.name}`;
+        attributeIndex[key] = attributeIndex[key] || [];
+        attributeIndex[key].push(this);
+
+        const targetNote = this.targetNote;
+
+        if (targetNote) {
+            targetNote.targetRelations.push(this);
+        }
+    }
+
+    get isAffectingSubtree() {
+        return this.isInheritable
+            || (this.type === 'relation' && this.name === 'template');
+    }
+
+    get note() {
+        return notes[this.noteId];
+    }
+
+    get targetNote() {
+        if (this.type === 'relation') {
+            return notes[this.value];
+        }
+    }
+}