Move user creation from db resultset into static method

Creation of a User object from the database resultset will mostly be
the same. This commit moves the repetitive code into a static method
that can be called wherever we need it.

This improves maintainability, since we only ever need to do an update
in one place now.

6 files changed, 22 insertions, 15 deletions

diff --git a/gn_auth/auth/authentication/oauth2/grants/authorisation_code_grant.py b/gn_auth/auth/authentication/oauth2/grants/authorisation_code_grant.py
index a40292e..c285c96 100644
--- a/gn_auth/auth/authentication/oauth2/grants/authorisation_code_grant.py
+++ b/gn_auth/auth/authentication/oauth2/grants/authorisation_code_grant.py
@@ -81,8 +81,7 @@ class AuthorisationCodeGrant(grants.AuthorizationCodeGrant):
                 cursor.execute(query, (str(authorization_code.code),))
                 res = cursor.fetchone()
                 if res:
-                    return User(
-                        uuid.UUID(res["user_id"]), res["email"], res["name"])
+                    return User.from_sqlite3_row(res)
 
         return None
 
diff --git a/gn_auth/auth/authentication/users.py b/gn_auth/auth/authentication/users.py
index c2c1162..140ce36 100644
--- a/gn_auth/auth/authentication/users.py
+++ b/gn_auth/auth/authentication/users.py
@@ -1,8 +1,10 @@
 """User-specific code and data structures."""
-from uuid import UUID, uuid4
+import datetime
 from typing import Tuple
+from uuid import UUID, uuid4
 from dataclasses import dataclass
 
+import sqlite3
 from argon2 import PasswordHasher
 from argon2.exceptions import VerifyMismatchError
 
@@ -16,11 +18,22 @@ class User:
     user_id: UUID
     email: str
     name: str
+    created: datetime.datetime = datetime.datetime.now()
+    verified: bool = False
 
     def get_user_id(self):
         """Get the user's ID."""
         return self.user_id
 
+    @staticmethod
+    def from_sqlite3_row(row: sqlite3.Row):
+        """Generate a user from a row in an SQLite3 resultset"""
+        return User(user_id=UUID(row["user_id"]),
+                    email=row["email"],
+                    name=row["name"],
+                    created=datetime.datetime.fromtimestamp(row["created"]),
+                    verified=bool(int(row["verified"])))
+
 
 DUMMY_USER = User(user_id=UUID("a391cf60-e8b7-4294-bd22-ddbbda4b3530"),
                   email="gn3@dummy.user",
@@ -33,7 +46,7 @@ def user_by_email(conn: db.DbConnection, email: str) -> User:
         row = cursor.fetchone()
 
     if row:
-        return User(UUID(row["user_id"]), row["email"], row["name"])
+        return User.from_sqlite3_row(row)
 
     raise NotFoundError(f"Could not find user with email {email}")
 
@@ -44,7 +57,7 @@ def user_by_id(conn: db.DbConnection, user_id: UUID) -> User:
         row = cursor.fetchone()
 
     if row:
-        return User(UUID(row["user_id"]), row["email"], row["name"])
+        return User.from_sqlite3_row(row)
 
     raise NotFoundError(f"Could not find user with ID {user_id}")
 
@@ -135,6 +148,5 @@ def fetch_users(conn: db.DbConnection,
             f" WHERE user_id IN ({params})"
             if len(ids) > 0 else "")
         cursor.execute(query, tuple(str(the_id) for the_id in ids))
-        return tuple(User(UUID(row["user_id"]), row["email"], row["name"])
-                     for row in cursor.fetchall())
+        return tuple(User.from_sqlite3_row(row) for row in cursor.fetchall())
     return tuple()
diff --git a/gn_auth/auth/authorisation/resources/groups/models.py b/gn_auth/auth/authorisation/resources/groups/models.py
index 3feefa6..03a93b6 100644
--- a/gn_auth/auth/authorisation/resources/groups/models.py
+++ b/gn_auth/auth/authorisation/resources/groups/models.py
@@ -276,8 +276,7 @@ def group_users(conn: db.DbConnection, group_id: UUID) -> Iterable[User]:
             {"group_id": str(group_id)})
         results = cursor.fetchall()
 
-    return (User(UUID(row["user_id"]), row["email"], row["name"])
-            for row in results)
+    return (User.from_sqlite3_row(row) for row in results)
 
 
 @authorised_p(
diff --git a/gn_auth/auth/authorisation/resources/views.py b/gn_auth/auth/authorisation/resources/views.py
index 0200222..c481ef9 100644
--- a/gn_auth/auth/authorisation/resources/views.py
+++ b/gn_auth/auth/authorisation/resources/views.py
@@ -172,7 +172,7 @@ def resource_users(resource_id: uuid.UUID):
                     def __organise_users_n_roles__(users_n_roles, row):
                         user_id = uuid.UUID(row["user_id"])
                         user = users_n_roles.get(user_id, {}).get(
-                            "user", User(user_id, row["email"], row["name"]))
+                            "user", User.from_sqlite3_row(row))
                         role = Role(
                             uuid.UUID(row["role_id"]), row["role_name"],
                             bool(int(row["user_editable"])), tuple())
diff --git a/gn_auth/auth/authorisation/users/admin/views.py b/gn_auth/auth/authorisation/users/admin/views.py
index 73e808a..8ca1e51 100644
--- a/gn_auth/auth/authorisation/users/admin/views.py
+++ b/gn_auth/auth/authorisation/users/admin/views.py
@@ -189,8 +189,7 @@ def register_client():
         with db.cursor(conn) as cursor:
             cursor.execute("SELECT * FROM users")
             return tuple(
-                User(uuid.UUID(row["user_id"]), row["email"], row["name"])
-                for row in cursor.fetchall())
+                User.from_sqlite3_row(row) for row in cursor.fetchall())
     if request.method == "GET":
         return render_template(
             "admin/register-client.html",
diff --git a/gn_auth/auth/authorisation/users/models.py b/gn_auth/auth/authorisation/users/models.py
index 8b47fc1..bde2e33 100644
--- a/gn_auth/auth/authorisation/users/models.py
+++ b/gn_auth/auth/authorisation/users/models.py
@@ -17,9 +17,7 @@ def list_users(conn: db.DbConnection) -> tuple[User, ...]:
     """List out all users."""
     with db.cursor(conn) as cursor:
         cursor.execute("SELECT * FROM users")
-        return tuple(
-            User(uuid.UUID(row["user_id"]), row["email"], row["name"])
-            for row in cursor.fetchall())
+        return tuple(User.from_sqlite3_row(row) for row in cursor.fetchall())
 
 def __build_resource_roles__(rows):
     def __build_roles__(roles, row):