✨(dimail) populate dimail local database for dev use

this commit adds a script and 'make' command to populate dimail database
with basic objects: an admin account, a regie account, a domain
and an owner for this domain.

src/backend/mailbox_manager/management/commands/setup_dimail_db.py

@@ -0,0 +1,148 @@
+"""Management command creating a  dimail-api container, for test purposes."""
+
+from django.conf import settings
+from django.contrib.auth import get_user_model
+from django.core.management.base import BaseCommand, CommandError
+
+import requests
+from rest_framework import status
+
+User = get_user_model()
+
+
+DIMAIL_URL = "http://host.docker.internal:8001"
+admin = {"username": "admin", "password": "admin"}
+regie = {"username": "la_regie", "password": "password"}
+
+
+class Command(BaseCommand):
+    """
+    Management command populate local dimail database, to ease dev
+    """
+
+    help = "Populate local dimail database, for dev purposes."
+
+    def handle(self, *args, **options):
+        """Handling of the management command."""
+        if not settings.DEBUG:
+            raise CommandError(
+                ("This command is meant to run in local dev environment.")
+            )
+
+        # Create a first superuser for dimail-api container. User creation is usually
+        # protected behind admin rights but dimail allows to create a first user
+        # when database is empty
+        self.create_user(
+            auth=(None, None),
+            name=admin["username"],
+            password=admin["password"],
+            perms=[],
+        )
+
+        # Create Regie user, auth for all remaining requests
+        # and your own dev
+        self.create_user(
+            auth=(admin["username"], admin["password"]),
+            name=regie["username"],
+            password=regie["password"],
+            perms=["new_domain", "create_users", "manage_users"],
+        )
+
+        # we create a dimail user for keycloak+regie user John Doe
+        # This way, la Régie will be able to make request in the name of
+        # this user
+        people_base_user = User.objects.get(name="John Doe")
+        self.create_user(name=people_base_user.sub, password="whatever")  # noqa S106
+
+        # we create a domain and add John Doe to it
+        domain_name = "test.domain.com"
+        self.create_domain(domain_name)
+        self.create_allows(people_base_user.sub, domain_name)
+
+        self.stdout.write("DONE", ending="\n")
+
+    def create_user(
+        self,
+        name,
+        password,
+        perms=None,
+        auth=(regie["username"], regie["password"]),
+    ):
+        """
+        Send a request to create a new user.
+        """
+
+        response = requests.post(
+            url=f"{DIMAIL_URL}/users/",
+            json={
+                "name": name,
+                "password": password,
+                "is_admin": name == admin["username"],
+                "perms": perms or [],
+            },
+            auth=auth,
+            timeout=10,
+        )
+
+        if response.status_code == status.HTTP_201_CREATED:
+            self.stdout.write(self.style.SUCCESS(f"Creating user {name}......... OK"))
+        else:
+            self.stdout.write(
+                self.style.ERROR(
+                    f"Creating user {name} ......... failed: {response.json()['detail']}"
+                )
+            )
+
+    def create_domain(self, name, auth=(regie["username"], regie["password"])):
+        """
+        Send a request to create a new domain.
+        """
+        response = requests.post(
+            url=f"{DIMAIL_URL}/domains/",
+            json={
+                "name": name,
+                "context_name": "context",
+                "features": ["webmail", "mailbox", "alias"],
+            },
+            auth=auth,
+            timeout=10,
+        )
+
+        if response.status_code == status.HTTP_201_CREATED:
+            self.stdout.write(
+                self.style.SUCCESS(f"Creating domain '{name}' ........ OK")
+            )
+        else:
+            self.stdout.write(
+                self.style.ERROR(
+                    f"Creating domain '{name}' ........ failed: {response.json()['detail']}"
+                )
+            )
+
+    def create_allows(self, user, domain, auth=(regie["username"], regie["password"])):
+        """
+        Send a request to create a new allows between user and domain.
+        """
+        response = requests.post(
+            url=f"{DIMAIL_URL}/allows/",
+            json={
+                "domain": domain,
+                "user": user,
+            },
+            auth=auth,
+            timeout=10,
+        )
+
+        if response.status_code == status.HTTP_201_CREATED:
+            self.stdout.write(
+                self.style.SUCCESS(
+                    f"Creating permissions for {user} on {domain} ........ OK"
+                )
+            )
+        else:
+            self.stdout.write(
+                self.style.ERROR(
+                    f"Creating permissions for {user} on {domain}\
+                     ........ failed: {response.json()['detail']}"
+                )
+            )