From 74ffdf83254e166e7056dbd35d68344538409be2 Mon Sep 17 00:00:00 2001
From: Alice Gaudon <alice@gaudon.pro>
Date: Wed, 2 Sep 2020 14:07:40 +0200
Subject: [PATCH] Model: add equals method

---
 src/db/Model.ts | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/db/Model.ts b/src/db/Model.ts
index 70dc4f0..148fbf2 100644
--- a/src/db/Model.ts
+++ b/src/db/Model.ts
@@ -184,6 +184,12 @@ export default abstract class Model {
         this._cached_exists = false;
     }
 
+    public async validate(onlyFormat: boolean = false, connection?: Connection): Promise<void[]> {
+        return await Promise.all(this._properties.map(
+            prop => this._validators[prop]?.execute(prop, this[prop], onlyFormat, connection)
+        ));
+    }
+
     public async exists(): Promise<boolean> {
         if (this._cached_exists === undefined) {
             const query = this._factory.select('1');
@@ -196,10 +202,11 @@ export default abstract class Model {
         return this._cached_exists;
     }
 
-    public async validate(onlyFormat: boolean = false, connection?: Connection): Promise<void[]> {
-        return await Promise.all(this._properties.map(
-            prop => this._validators[prop]?.execute(prop, this[prop], onlyFormat, connection)
-        ));
+    public equals(model: this): boolean {
+        for (const field of this._factory.getPrimaryKeyFields()) {
+            if (this[field] !== model[field]) return false;
+        }
+        return true;
     }
 
     public get table(): string {