Implement BaseModel class, TimestampMixin, TzDateTime type; cleanup Task model

migrations/env.py

@@ -26,16 +26,22 @@ def process_revision_directives(_context, _revision, directives):
         directives[:] = []
 
 
+context_parameters = {
+    'target_metadata': BaseModel.metadata,
+    'process_revision_directives': process_revision_directives,
+    'user_module_prefix': 'tofu_types.',
+}
+
+
 def run_migrations_offline():
     """
     Run migrations in 'offline' mode, which does not require an actual database engine and can be used to generate SQL scripts.
     """
     context.configure(
         url=app.config.sqlalchemy_database_uri,
-        target_metadata=BaseModel.metadata,
-        process_revision_directives=process_revision_directives,
         literal_binds=True,
         dialect_opts={"paramstyle": "named"},
+        **context_parameters,
     )
 
     with context.begin_transaction():
@@ -49,8 +55,7 @@ def run_migrations_online():
     with db.engine.connect() as connection:
         context.configure(
             connection=connection,
-            target_metadata=BaseModel.metadata,
-            process_revision_directives=process_revision_directives,
+            **context_parameters,
         )
 
         with context.begin_transaction():

migrations/script.py.mako

@@ -8,6 +8,8 @@ Create Date: ${create_date}
 
 from alembic import op
 import sqlalchemy as sa
+
+import tofu_api.common.database.types as tofu_types
 ${imports if imports else ""}
 
 # Revision identifiers, used by Alembic.

migrations/versions/2022_04_15_2141-044f3afd19b0_initial_revision.py

@@ -1,16 +1,18 @@
 """
 Initial revision
 
-Revision ID: 716726b4a1fe
+Revision ID: 044f3afd19b0
 Revises: 
-Create Date: 2022-04-15 16:05:29.358429+02:00
+Create Date: 2022-04-15 21:41:39.962542+02:00
 """
 
 from alembic import op
 import sqlalchemy as sa
 
+import tofu_api.common.database.types as tofu_types
+
 # Revision identifiers, used by Alembic.
-revision = '716726b4a1fe'
+revision = '044f3afd19b0'
 down_revision = None
 branch_labels = None
 depends_on = None
@@ -19,16 +21,18 @@ depends_on = None
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
     op.create_table(
-        'tasks',
+        'task',
         sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('created_at', tofu_types.TzDateTime(), server_default=sa.text('now()'), nullable=False),
+        sa.Column('modified_at', tofu_types.TzDateTime(), server_default=sa.text('now()'), nullable=False),
         sa.Column('title', sa.String(length=255), nullable=False),
         sa.Column('description', sa.Text(), nullable=False),
-        sa.PrimaryKeyConstraint('id', name=op.f('pk_tasks'))
+        sa.PrimaryKeyConstraint('id', name=op.f('pk_task'))
     )
     # ### end Alembic commands ###
 
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('tasks')
+    op.drop_table('task')
     # ### end Alembic commands ###