From 3fe059d9c35ff47455aae4c6adc9eb14299f24fc Mon Sep 17 00:00:00 2001
From: sebelga <sabee77@gmail.com>
Date: Mon, 30 Jul 2018 21:20:46 +0200
Subject: [PATCH] fix(transaction-post-hooks): Add missing scope to post hooks
 inside a transaction

#115
---
 lib/model.js       | 11 +++++++++--
 test/model-test.js | 17 +++++++++++++++--
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/lib/model.js b/lib/model.js
index b11e187..de92371 100755
--- a/lib/model.js
+++ b/lib/model.js
@@ -629,6 +629,7 @@ class Model extends Entity {
      * Add "post" hooks to a transaction
      */
     static hooksTransaction(transaction, postHooks) {
+        const _this = this;
         postHooks = arrify(postHooks);
 
         if (!{}.hasOwnProperty.call(transaction, 'hooks')) {
@@ -641,7 +642,7 @@ class Model extends Entity {
 
         transaction.execPostHooks = function executePostHooks() {
             if (this.hooks.post) {
-                return this.hooks.post.reduce((promise, hook) => promise.then(hook), Promise.resolve());
+                return this.hooks.post.reduce((promise, hook) => promise.then(hook.bind(_this)), Promise.resolve());
             }
 
             return Promise.resolve();
@@ -839,7 +840,13 @@ class Model extends Entity {
             if (transaction) {
                 // disable (post) hooks, we will only trigger them on transaction succceed
                 this.__hooksEnabled = false;
-                this.constructor.hooksTransaction(transaction, this.__posts ? this.__posts.save : undefined);
+                this.constructor.hooksTransaction.call(
+                    _this,
+                    transaction,
+                    this.__posts
+                        ? this.__posts.save
+                        : undefined
+                );
             }
         }
     }
diff --git a/test/model-test.js b/test/model-test.js
index 527f833..b7730e7 100755
--- a/test/model-test.js
+++ b/test/model-test.js
@@ -845,7 +845,7 @@ describe('Model', () => {
 
         it('should set "pre" hook scope to entity being deleted (1)', (done) => {
             schema.pre('delete', function preDelete() {
-                expect(this instanceof Entity);
+                expect(this instanceof Entity).equal(true);
                 done();
                 return Promise.resolve();
             });
@@ -892,7 +892,7 @@ describe('Model', () => {
             schema.post('delete', function postDeleteHook({ key }) {
                 expect(key.constructor.name).equal('Key');
                 expect(key.id).equal(123);
-                expect(this instanceof Entity);
+                expect(this instanceof Entity).equal(true);
                 expect(this.entityKey).equal(key);
                 return Promise.resolve();
             });
@@ -1564,6 +1564,19 @@ describe('Model', () => {
                 });
         });
 
+        it('transaction.execPostHooks() should set scope to entity saved', (done) => {
+            schema.post('save', function preSave() {
+                expect(this instanceof Entity).equal(true);
+                expect(this.name).equal('John Jagger');
+                done();
+            });
+            ModelInstance = Model.compile('Blog', schema, gstore);
+            model = new ModelInstance({ name: 'John Jagger' });
+
+            model.save(transaction)
+                .then(() => transaction.execPostHooks());
+        });
+
         it('if transaction.execPostHooks() is NOT called post middleware should not be called', () => {
             const spyPost = sinon.stub().resolves(123);
             schema = new Schema({ name: { type: 'string' } });