Merge pull request #7 from josseed/connecting-frontend

connecting frontend

Author: josseed

README.md

@@ -6,12 +6,31 @@ Esta aplicación permite preguntarle a los usuarios de un workspace de slack que
 
 
 ## Configuración bot slack ##
-
+Primero deves crear una app de slack en el siguiente link: [Crear slack app](https://api.slack.com/apps?new_app=1)
+Lo invitas a tu workspace con con los siguientes permisos:
 * chat:write
 * im:history
 * im:write
 * users:read
 
 
+Modifica los siguientes settings:
+CLIENT_ID = [your-id]
+CLIENT_SECRET = [your-secret]
+VERIFICATION_TOKEN =  [your-verification-token]
+BOT_USER_ACCESS_TOKEN = [your-bot-user-access-token]
+
+## Configuramos el ambiente ##
+
+
+
+## Configuraciones backend ##
+Este codigo esta testeado para python 3.8 por lo cual se recomienda mantener la versión.
+
+Instalamos las librerias:
+pip install -r backend/requirements.txt
+
+
+
 
 

backend/meal_manager/migrations/0002_auto_20200603_1948.py

@@ -0,0 +1,17 @@
+# Generated by Django 3.0.3 on 2020-06-03 23:48
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('meal_manager', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='order',
+            unique_together={('worker', 'date')},
+        ),
+    ]

backend/meal_manager/models.py

@@ -40,4 +40,6 @@ class Order(models.Model):
     date = models.DateField()
     date_update = models.DateTimeField(auto_now=True)
     date_creation = models.DateTimeField(auto_now_add=True)
+    class Meta:
+        unique_together = ('worker', 'date')
 

backend/meal_manager/serializers.py

@@ -6,11 +6,6 @@ class Meta:
         model = Worker
         fields = '__all__'
 
-class MenuSerializer(serializers.ModelSerializer):
-    class Meta:
-        model = Menu
-        fields = '__all__'
-
 class MealSerializer(serializers.ModelSerializer):
     class Meta:
         model = Meal
@@ -22,6 +17,12 @@ def create(self, validated_data):
         meal = Meal.objects.create(menu_id = menu_id, **validated_data)
         return meal
 
+class MenuSerializer(serializers.ModelSerializer):
+    meals = MealSerializer(read_only=True, many=True)
+    class Meta:
+        model = Menu
+        fields = '__all__'
+
 class OrderSerializer(serializers.ModelSerializer):
     class Meta:
         model = Order

backend/slackapp/actions/__init__.py renamed to backend/meal_manager/tasks/__init__.py

@@ -0,0 +1,60 @@
+from app.celery import app
+from django.conf import settings
+from meal_manager.models import Menu, Worker
+from slackapp.connection.slack_connection import SlackConnection
+import traceback
+
+
+def update_users(users):
+
+    for user in users:
+        worker, _ = Worker.objects.get_or_create(
+            name = user['real_name'],
+            slack_id = user['id']
+        )
+        if _:
+            print(f'worker {worker.name} added.')
+
+
+@app.task
+def send_menu(data):
+    """
+    this task send the menu to all workers of a workspace.
+    the steps are the following:
+    1) check if the menu exists.
+    2) check if the menu contains any meal.
+    3) build a list of strings with the meals.
+    2) update the users info.
+    4) check if the users
+    3) send the menu to all the users.
+    """
+    #checking
+    if not data.get('menu_id'):
+        raise Exception('menu_id is required.')
+    try:
+        menu = Menu.objects.get(pk = data['menu_id'])
+    except Menu.DoesNotExist:
+        raise Exception('fails to get menu')
+
+    meals = menu.meals.all()
+    if meals.count() == 0:
+        raise Exception("menu does not contain any meal")
+    
+    #build
+    meal_list = [meal.name for meal in meals]
+
+    #initialize slack 
+    slack = SlackConnection()
+    try:
+        users = slack.get_users()
+        update_users(users)
+    except:
+        raise Exception('fails to update users')
+    
+    sended = slack.send_menu_to_users(meal_list)
+    if sended:
+        print('menu sended correctly.')
+        return None
+    else:
+        raise Exception('fails to send the menu to slack.')
+

backend/meal_manager/tasks/send_menu.py

@@ -7,13 +7,13 @@
 
 class MealTest(TestCase):
     """ this test has the following attempts:
-    1) create a valid meal and expect a 201 status code.
-    2) trying to create a invalid meal and expect a 400 status code.
-    3) trying to create a meal has unauthorized user and expect a 401 status code.
-    4) trying to get the meal list has unauthorized user and expect a 401 status code.
-    5) trying to create two meals with the same name for the same menu and expect a 409 status code.
-    6) trying to create a meal for an unexist menu and expect a 404 code
-    7) create two meals and get the list of meals expecting a 200 status code and length 2.
+    - Create a valid meal and expect a 201 status code.
+    - Trying to create a invalid meal and expect a 400 status code.
+    - Trying to create a meal has unauthorized user and expect a 401 status code.
+    - Trying to get the meal list has unauthorized user and expect a 401 status code.
+    - Trying to create two meals with the same name for the same menu and expect a 409 status code.
+    - Trying to create a meal for an unexist menu and expect a 404 code.
+    - Create two meals and get the list of meals expecting a 200 status code and length 2.
     """
 
     client = Client()