From 3c820045a886c71faa74831f976f4fbdd5a02319 Mon Sep 17 00:00:00 2001
From: Lucas Kanashiro <kanashiro.duarte@gmail.com>
Date: Mon, 27 Jul 2015 15:40:20 -0300
Subject: [PATCH] Create example of plugin using signals structure

---
 colab/plugins/gitlab/apps.py   | 10 ++++++++++
 colab/plugins/gitlab/celery.py | 22 ++++++++++++++++++++++
 colab/plugins/gitlab/models.py |  2 ++
 colab/plugins/gitlab/tasks.py  |  9 +++++++++
 colab/signals/tasks.py         |  2 +-
 5 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 colab/plugins/gitlab/celery.py
 create mode 100644 colab/plugins/gitlab/tasks.py

diff --git a/colab/plugins/gitlab/apps.py b/colab/plugins/gitlab/apps.py
index bd08b0a..cdb583c 100644
--- a/colab/plugins/gitlab/apps.py
+++ b/colab/plugins/gitlab/apps.py
@@ -1,7 +1,17 @@
 
 from ..utils.apps import ColabProxiedAppConfig
+from colab.signals.tasks import register_signal, connect_signal
+from colab.plugins.gitlab.tasks import handling_method
 
 
 class ProxyGitlabAppConfig(ColabProxiedAppConfig):
     name = 'colab.plugins.gitlab'
     verbose_name = 'Gitlab Plugin'
+    short_name = 'gitlab'
+
+    signals_list = ['gitlab_create_project']
+
+    def __init__(self, app_name, app_module):
+        super(ProxyGitlabAppConfig, self).__init__(app_name, app_module)
+        register_signal(self.short_name, self.signals_list)
+        connect_signal(self.signals_list[0], self.short_name, handling_method)
diff --git a/colab/plugins/gitlab/celery.py b/colab/plugins/gitlab/celery.py
new file mode 100644
index 0000000..6d19e21
--- /dev/null
+++ b/colab/plugins/gitlab/celery.py
@@ -0,0 +1,22 @@
+from __future__ import absolute_import
+
+import os
+
+from celery import Celery
+
+# set the default Django settings module for the 'celery' program.
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'colab.settings')
+
+from django.conf import settings
+
+app = Celery('colab')
+
+app.config_from_object('django.conf:settings')
+app.autodiscover_tasks(lambda: settings.INSTALLED_APPS)
+
+app.conf.update(
+    CELERY_RESULT_BACKEND='djcelery.backends.database:DatabaseBackend',
+)
+app.conf.update(
+    CELERY_RESULT_BACKEND='djcelery.backends.cache:CacheBackend',
+)
diff --git a/colab/plugins/gitlab/models.py b/colab/plugins/gitlab/models.py
index cbc9b2e..5d8cc53 100644
--- a/colab/plugins/gitlab/models.py
+++ b/colab/plugins/gitlab/models.py
@@ -2,6 +2,7 @@ from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from colab.plugins.utils.models import Collaboration
 from hitcounter.models import HitCounterModelMixin
+from colab.signals.tasks import send
 
 
 class GitlabProject(models.Model, HitCounterModelMixin):
@@ -17,6 +18,7 @@ class GitlabProject(models.Model, HitCounterModelMixin):
 
     @property
     def url(self):
+        send('gitlab_create_project', 'colab.plugins.gitlab')
         return u'/gitlab/{}'.format(self.path_with_namespace)
 
     class Meta:
diff --git a/colab/plugins/gitlab/tasks.py b/colab/plugins/gitlab/tasks.py
new file mode 100644
index 0000000..bba1d63
--- /dev/null
+++ b/colab/plugins/gitlab/tasks.py
@@ -0,0 +1,9 @@
+from colab.plugins.gitlab.celery import app
+
+
+@app.task(bind=True)
+def handling_method(self, **kwargs):
+    f = open('/vagrant/test_plugin', 'wb')
+    f.write(str(kwargs))
+    f.close()
+    return 5
diff --git a/colab/signals/tasks.py b/colab/signals/tasks.py
index 33e3a86..4ad4abb 100644
--- a/colab/signals/tasks.py
+++ b/colab/signals/tasks.py
@@ -33,6 +33,6 @@ def connect_signal(signal_name, sender, handling_method):
 
 def send(signal_name, sender, **kwargs):
     if signal_name in signal_instances:
-        signal_instances[signal_name].send(sender=sender)
+        signal_instances[signal_name].send(sender=sender, **kwargs)
     else:
         raise Exception("Signal does not exist!")
--
libgit2 0.21.2