work on databse model

django_code/django_code/routers.py

@@ -0,0 +1,46 @@
+# routers.py
+
+class ProjectDatabaseRouter:
+    """
+    A router to control all database operations on models in the
+    simpsons and cloudmanager applications.
+    """
+
+    def db_for_read(self, model, **hints):
+        """Attempts to read simpsons and cloudmanager models go to their specific dbs."""
+        if model._meta.app_label == 'simpsons':
+            return 'simpsons_db'
+        if model._meta.app_label == 'cloudmanager':
+            return 'cloudmanager_db'
+        return 'default'
+
+    def db_for_write(self, model, **hints):
+        """Attempts to write simpsons and cloudmanager models go to their specific dbs."""
+        if model._meta.app_label == 'simpsons':
+            return 'simpsons_db'
+        if model._meta.app_label == 'cloudmanager':
+            return 'cloudmanager_db'
+        return 'default'
+
+    def allow_relation(self, obj1, obj2, **hints):
+        """Allow relations if both models are in the same database."""
+        # Prevents accidental foreign key relationships across different physical DBs
+        if (
+                obj1._meta.app_label in ['simpsons', 'cloudmanager'] or
+                obj2._meta.app_label in ['simpsons', 'cloudmanager']
+        ):
+            return obj1._meta.app_label == obj2._meta.app_label
+        return None
+
+    def allow_migrate(self, db, app_label, model_name=None, **hints):
+        """Ensure the app's models only show up in the designated database."""
+        if app_label == 'simpsons':
+            return db == 'simpsons_db'
+        if app_label == 'cloudmanager':
+            return db == 'cloudmanager_db'
+
+        # Ensure default Django apps (auth, sessions, etc.) don't migrate into simpsons/cloudmanager
+        if db in ['simpsons_db', 'cloudmanager_db']:
+            return False
+
+        return None

django_code/django_code/settings.py

@@ -40,7 +40,8 @@ INSTALLED_APPS = [
     'django.contrib.staticfiles',
     'bootstrap5',
     'django_hosts',
-    'apps.cloudmanager',
+    'apps.cloudmanager.apps.CloudmanagerConfig',
+    'apps.random_simpsons.apps.RandomSimpsonsConfig',
 ]
 
 MIDDLEWARE = [
@@ -87,11 +88,31 @@ WSGI_APPLICATION = 'django_code.wsgi.application'
 
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'db.sqlite3',
-    }
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': 'django',
+        'USER': os.environ.get('DB_USERNAME'),
+        'PASSWORD': os.environ.get('DB_PASSWORD'),
+        'HOST': os.environ.get('DB_HOST'),
+        'PORT': os.environ.get('DB_PORT'),
+    },
+    'cloudmanager_db': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': 'cloudmanager', 
+        'USER': os.environ.get('DB_USERNAME'),
+        'PASSWORD': os.environ.get('DB_PASSWORD'),
+        'HOST': os.environ.get('DB_HOST'),
+        'PORT': os.environ.get('DB_PORT'),
+    },
+    'simpsons_db': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': 'simpsons',
+        'USER': os.environ.get('DB_USERNAME'),
+        'PASSWORD': os.environ.get('DB_PASSWORD'),
+        'HOST': os.environ.get('DB_HOST'),
+        'PORT': os.environ.get('DB_PORT'),
+    },
 }
-
+DATABASE_ROUTERS = ['django_code.routers.ProjectDatabaseRouter']
 
 # Password validation
 # https://docs.djangoproject.com/en/4.2/ref/settings/#auth-password-validators

django_code/django_code/urls.py

@@ -16,7 +16,7 @@ Including another URLconf
 """
 from django.contrib import admin
 from django.urls import path
-from apps.cloudmanager import (credentials,db_interaction)
+#from apps.cloudmanager import (credentials,db_interaction)
 from apps.cloudmanager import apps as cloudmanager_apps
 from apps.cloudmanager import views as cloudmanager_views
 from apps.random_simpsons import apps as random_simpsons
@@ -82,10 +82,11 @@ urlpatterns = [
 
     ###################      cloudmanager     ###################
     path('cmm/', cloudmanager_apps.redirect),
-    path('cmm/hello', cloudmanager_apps.hello),
-    path('cmm/print', cloudmanager_apps.print),
-    path('cmm/run-action/', cloudmanager_views.trigger_my_action, name='run_my_action_url'),
-    path('change-schedule/', cloudmanager_views.change_schedule, name='change_schedule'),
-    path('cmm/main/', db_interaction.main),
+    path('cmm/hello', cloudmanager_apps.hello,  name='hello'),
+    path('cmm/coucou', cloudmanager_views.coucou, name='coucou'),
+    path('cmm/display', cloudmanager_views.display, name='display'),
+    #path('cmm/run-action/', cloudmanager_views.trigger_my_action, name='run_my_action_url'),
+    #path('change-schedule/', cloudmanager_views.change_schedule, name='change_schedule'),
+    #path('cmm/main/', db_interaction.main),
 
 ]