refactor: revert and update migrations with '_at' for date columns

src/backend/app/db/db_models.py

@@ -83,9 +83,9 @@ class DbProject(Base):
     short_description = cast(str, Column(String))
     description = cast(str, Column(String))
     per_task_instructions = cast(str, Column(String))
-    created = cast(datetime, Column(DateTime, default=timestamp, nullable=False))
+    created_at = cast(datetime, Column(DateTime, default=timestamp, nullable=False))
     last_updated = cast(datetime, Column(DateTime, default=timestamp))
-    deadline = cast(datetime, Column(DateTime, default=timestamp))
+    deadline_at = cast(datetime, Column(DateTime, default=timestamp))
     # GEOMETRY
     outline = cast(WKBElement, Column(Geometry("POLYGON", srid=4326)))
     centroid = cast(WKBElement, Column(Geometry("POINT", srid=4326)))

src/backend/app/migrations/versions/acee47666167_refine_field_name.py

@@ -0,0 +1,34 @@
+"""refine field name
+
+Revision ID: acee47666167
+Revises: 88ae62ec8876
+Create Date: 2024-07-13 10:51:33.020864
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision: str = 'acee47666167'
+down_revision: Union[str, None] = '88ae62ec8876'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('projects', sa.Column('created_at', sa.DateTime(), nullable=False))
+    op.add_column('projects', sa.Column('deadline_at', sa.DateTime(), nullable=True))
+    op.drop_column('projects', 'created')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    #op.add_column('projects', sa.Column('created', postgresql.TIMESTAMP(), autoincrement=False, nullable=False))
+    op.drop_column('projects', 'deadline_at')
+    op.drop_column('projects', 'created_at')    
+    # ### end Alembic commands ###

src/backend/app/projects/project_crud.py

@@ -19,7 +19,7 @@ async def create_project_with_project_info(
     _id = uuid.uuid4()
     query = """
         INSERT INTO projects (
-            id, author_id, name, short_description, description, per_task_instructions, status, visibility, outline, no_fly_zones, dem_url, output_orthophoto_url, output_pointcloud_url, output_raw_url, task_split_dimension, deadline, created)
+            id, author_id, name, short_description, description, per_task_instructions, status, visibility, outline, no_fly_zones, dem_url, output_orthophoto_url, output_pointcloud_url, output_raw_url, task_split_dimension, deadline_at, created_at)
         VALUES (
             :id,
             :author_id,
@@ -36,7 +36,7 @@ async def create_project_with_project_info(
             :output_pointcloud_url,
             :output_raw_url,
             :task_split_dimension,
-            :deadline,
+            :deadline_at,
             CURRENT_TIMESTAMP
         )
         RETURNING id
@@ -60,7 +60,7 @@ async def create_project_with_project_info(
                 "output_pointcloud_url": project_metadata.output_pointcloud_url,
                 "output_raw_url": project_metadata.output_raw_url,
                 "task_split_dimension": project_metadata.task_split_dimension,
-                "deadline": project_metadata.deadline,
+                "deadline_at": project_metadata.deadline_at,
             },
         )
         return project_id

src/backend/app/projects/project_schemas.py

@@ -44,7 +44,7 @@ class ProjectIn(BaseModel):
     output_orthophoto_url: Optional[str] = None
     output_pointcloud_url: Optional[str] = None
     output_raw_url: Optional[str] = None
-    deadline: Optional[date] = None
+    deadline_at: Optional[date] = None
 
     @computed_field
     @property