refactor: split up database code and revisions

.github/workflows/ci_testing.yaml

@@ -9,10 +9,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.9
+      - name: Set up Python 3.10
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip flit
@@ -24,10 +24,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.9
+      - name: Set up Python 3.10
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip flit
@@ -40,8 +40,8 @@ jobs:
     strategy:
       matrix:
         python-version:
-        - "3.9"
         - "3.10"
+        - "3.11"
         os: [ubuntu-latest]
     services:
       postgres:
@@ -79,10 +79,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.9
+      - name: Set up Python 3.10
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip flit

abrechnung/admin.py

@@ -5,7 +5,7 @@
 from abrechnung import subcommand
 from abrechnung.application.users import UserService
 from abrechnung.config import Config
-from abrechnung.database.database import create_db_pool
+from abrechnung.framework.database import create_db_pool
 
 
 class AdminCli(subcommand.SubCommand):
@@ -36,13 +36,15 @@ async def handle_create_user_command(self):
             print("Passwords do not match!")
             return
 
-        db_pool = await create_db_pool(self.config)
+        db_pool = await create_db_pool(self.config.database)
         user_service = UserService(db_pool, self.config)
         user_service.enable_registration = True
         if self.args["skip_email_check"]:
             user_service.valid_email_domains = None
-        await user_service.register_user(
-            username=self.args["name"], email=self.args["email"], password=password
+        await user_service.register_user(  # pylint: disable=missing-kwoa
+            username=self.args["name"],
+            email=self.args["email"],
+            password=password,
         )
 
     async def run(self):

abrechnung/application/__init__.py

@@ -5,60 +5,3 @@
 
 from abrechnung.config import Config
 from abrechnung.domain.users import User
-
-
-class NotFoundError(Exception):
-    pass
-
-
-class InvalidCommand(Exception):
-    pass
-
-
-class Application:
-    def __init__(self, db_pool: Pool, config: Config):
-        self.db_pool = db_pool
-        self.cfg = config
-
-
-async def check_group_permissions(
-    conn: asyncpg.Connection,
-    group_id: int,
-    user: User,
-    is_owner: bool = False,
-    can_write: bool = False,
-) -> tuple[bool, bool]:
-    membership = await conn.fetchrow(
-        "select is_owner, can_write from group_membership where group_id = $1 and user_id = $2",
-        group_id,
-        user.id,
-    )
-    if membership is None:
-        raise NotFoundError(f"group not found")
-
-    if can_write and not (membership["is_owner"] or membership["can_write"]):
-        raise PermissionError(f"write access to group denied")
-
-    if is_owner and not membership["is_owner"]:
-        raise PermissionError(f"owner access to group denied")
-
-    return membership["can_write"], membership["is_owner"]
-
-
-async def create_group_log(
-    conn: asyncpg.Connection,
-    group_id: int,
-    user: User,
-    type: str,
-    message: Optional[str] = None,
-    affected_user_id: Optional[int] = None,
-):
-    await conn.execute(
-        "insert into group_log (group_id, user_id, type, message, affected) "
-        "values ($1, $2, $3, $4, $5)",
-        group_id,
-        user.id,
-        type,
-        "" if message is None else message,
-        affected_user_id,
-    )