Feat: database interactions

docker-compose.yml

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+services:
+  db: 
+    image: postgres:alpine
+    restart: always
+    environment:
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_DB: ${POSTGRES_DB}
+    ports:
+      - ${POSTGRES_PORT}:5432

migrations/001_initial.py

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+"""Peewee migrations -- 001_initial.py.
+
+Some examples (model - class or model name)::
+
+    > Model = migrator.orm['table_name']            # Return model in current state by name
+    > Model = migrator.ModelClass                   # Return model in current state by name
+
+    > migrator.sql(sql)                             # Run custom SQL
+    > migrator.run(func, *args, **kwargs)           # Run python function with the given args
+    > migrator.create_model(Model)                  # Create a model (could be used as decorator)
+    > migrator.remove_model(model, cascade=True)    # Remove a model
+    > migrator.add_fields(model, **fields)          # Add fields to a model
+    > migrator.change_fields(model, **fields)       # Change fields
+    > migrator.remove_fields(model, *field_names, cascade=True)
+    > migrator.rename_field(model, old_field_name, new_field_name)
+    > migrator.rename_table(model, new_table_name)
+    > migrator.add_index(model, *col_names, unique=False)
+    > migrator.add_not_null(model, *field_names)
+    > migrator.add_default(model, field_name, default)
+    > migrator.add_constraint(model, name, sql)
+    > migrator.drop_index(model, *col_names)
+    > migrator.drop_not_null(model, *field_names)
+    > migrator.drop_constraints(model, *constraints)
+
+"""
+
+from contextlib import suppress
+
+import peewee as pw
+from peewee_migrate import Migrator
+
+
+with suppress(ImportError):
+    import playhouse.postgres_ext as pw_pext
+
+
+def migrate(migrator: Migrator, database: pw.Database, *, fake=False):
+    """Write your migrations here."""
+    
+    @migrator.create_model
+    class User(pw.Model):
+        name = pw.CharField(max_length=255)
+        url = pw.CharField(max_length=255)
+
+        class Meta:
+            table_name = "user"
+
+
+def rollback(migrator: Migrator, database: pw.Database, *, fake=False):
+    """Write your rollback migrations here."""
+    
+    migrator.remove_model('user')

nwxraybot/models/__init__.py

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+from nwxraybot.models.user import User

nwxraybot/models/user.py

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+from peewee import *
+
+from nwxraybot.config import Settings
+
+config = Settings()
+
+db = PostgresqlDatabase(config.postgres_url)
+
+
+class User(Model):
+    id = PrimaryKeyField()
+    name = CharField()
+    url = CharField()
+
+    class Meta:
+        database = db
+
+
+User.create_table()