Migrate modified field on games table

alembic.ini

@@ -0,0 +1,85 @@
+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = migrations
+
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# timezone to use when rendering the date
+# within the migration file as well as the filename.
+# string value is passed to dateutil.tz.gettz()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the
+# "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; this defaults
+# to migrations/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path
+# version_locations = %(here)s/bar %(here)s/bat migrations/versions
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+sqlalchemy.url = sqlite:///assets/test.db
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks=black
+# black.type=console_scripts
+# black.entrypoint=black
+# black.options=-l 79
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

database/models.py

@@ -71,14 +71,12 @@ class Cities(Base):
     image = Column(String(255))
     status = Column(Enum("1", "0"))
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
 
-    def __init__(self, name, image, status, created, modified):
+    def __init__(self, name, image, status):
         self.name = name
         self.image = image
         self.status = status
-        self.created = created
-        self.modified = modified
 
 
 class Games(Base):
@@ -108,7 +106,7 @@ class Games(Base):
     noti_status = Column(Integer, server_default=text("0"))
     conduct_status = Column(Integer, server_default=text("1"))
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self,
@@ -161,7 +159,7 @@ class Payments(Base):
     pay_mode = Column(Integer)
     status = Column(Integer)
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self,
@@ -198,7 +196,7 @@ class PlayerAvailabilities(Base):
     player_id = Column(Integer)
     status = Column(Integer)
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self, game_id, player_id, status,
@@ -215,7 +213,7 @@ class PlayerCancelGames(Base):
     player_id = Column(Integer)
     game_id = Column(Integer)
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self, player_id, game_id,
@@ -232,7 +230,7 @@ class PurchaseGames(Base):
     user_id = Column(Integer)
     pay_mode = Column(Integer)
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self, game_id, user_id, pay_mode,
@@ -250,7 +248,7 @@ class Sports(Base):
     spanish_name = Column(String(100))
     status = Column(Integer)
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self, name, spanish_name, status,
@@ -269,7 +267,7 @@ class Teams(Base):
     game_id = Column(Integer)
     status = Column(Integer)
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self, game_id, user_id, team_id, status,
@@ -289,7 +287,7 @@ class UserRatings(Base):
     player_id = Column(Integer)
     rating = Column(String(100))
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
     user_type = Column(Integer)
 
     def __init__(self, game_id, user_id, player_id, rating, user_type):
@@ -308,7 +306,7 @@ class VenueImages(Base):
     user_id = Column(Integer)
     image = Column(String(255))
     created = Column(DateTime, nullable=False, server_default=func.now())
-    updated = Column(DateTime, nullable=False, onupdate=func.now())
+    updated = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self, venue_id, user_id, image,
@@ -329,7 +327,7 @@ class Venues(Base):
     name = Column(String(100))
     sports_id = Column(Integer)
     created = Column(DateTime, nullable=False, server_default=func.now())
-    modified = Column(DateTime, nullable=False, onupdate=func.now())
+    modified = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self, user_id, address, latitude, longitude, name, sports_id,
@@ -349,7 +347,7 @@ class ViewNews(Base):
     news_id = Column(Integer)
     user_id = Column(Integer)
     created = Column(DateTime, nullable=False, server_default=func.now())
-    updated = Column(DateTime, nullable=False, onupdate=func.now())
+    updated = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self, news_id, user_id,
@@ -369,7 +367,7 @@ class WebBookings(Base):
     game = Column(String(255))
     city = Column(String(100))
     created = Column(DateTime, nullable=False, server_default=func.now())
-    updated = Column(DateTime, nullable=False, onupdate=func.now())
+    updated = Column(DateTime, nullable=True, onupdate=func.now())
 
     def __init__(
         self, user_id, address, name, email, contact, message, game, city,

migrations/README

@@ -0,0 +1 @@
+Generic single-database configuration.

migrations/env.py

@@ -0,0 +1,77 @@
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+target_metadata = None
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata,
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

migrations/script.py.mako

@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

migrations/versions/eaa992d1469b_make_updated_field_nullable.py

@@ -0,0 +1,45 @@
+"""make updated field nullable
+
+Revision ID: eaa992d1469b
+Revises: 
+Create Date: 2020-07-04 18:08:31.035209
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "eaa992d1469b"
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    tables = {
+        "modified": "cities",
+        "modified": "games",
+        "cancel_date": "games",
+        "modified": "payments",
+        "modified": "player_availabilities",
+        "modified": "player_cancel_games",
+        "modified": "purchase_games",
+        "modified": "sports",
+        "modified": "teams",
+        "modified": "user_ratings",
+        "modified": "venues",
+        "updated": "venue_images",
+        "updated": "web_bookings",
+    }
+    for field, table in tables.items():
+        with op.batch_alter_table(table) as batch_op:
+            batch_op.alter_column(column_name=field, nullable=True)
+        query = "UPDATE {0} SET {1} = NULL WHERE {1} = '0000-00-00 00:00:00'".format(
+            table, field
+        )
+        op.execute(query)
+
+
+def downgrade():
+    pass

tests/queries_test.py

@@ -18,7 +18,7 @@ def test_cities():
 
 def test_games():
     test = db.query(Games).filter(Games.id == 508).first()
-    assert test.user_id == 1987
+    assert test.user_id == 1978
 
 
 def test_payments():