Add first endpoint

Author: Xolog

alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = migrations
+
+# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
+# Uncomment the line below if you want the files to be prepended with date and time
+# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
+# for all available tokens
+# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.
+prepend_sys_path = .
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+# If specified, requires the python>=3.9 or backports.zoneinfo library.
+# Any required deps can installed by adding `alembic[tz]` to the pip requirements
+# string value is passed to ZoneInfo()
+# 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.
+# The path separator used here should be the separator specified by "version_path_separator" below.
+# version_locations = %(here)s/bar:%(here)s/bat:migrations/versions
+
+# version path separator; As mentioned above, this is the character used to split
+# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep.
+# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas.
+# Valid values for version_path_separator are:
+#
+# version_path_separator = :
+# version_path_separator = ;
+# version_path_separator = space
+version_path_separator = os  # Use os.pathsep. Default configuration used for new projects.
+
+# set to 'true' to search source files recursively
+# in each "version_locations" directory
+# new in Alembic version 1.10
+# recursive_version_locations = false
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+# DSN
+sqlalchemy.url = postgresql+asyncpg://%(DB_USER)s:%(DB_PASS)s@%(DB_HOST)s:%(DB_PORT)s/%(DB_NAME)s?async_fallback=True
+
+
+[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 REVISION_SCRIPT_FILENAME
+
+# lint with attempts to fix using "ruff" - use the exec runner, execute a binary
+# hooks = ruff
+# ruff.type = exec
+# ruff.executable = %(here)s/.venv/bin/ruff
+# ruff.options = --fix REVISION_SCRIPT_FILENAME
+
+# 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

main.py renamed to api/__init__.py

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+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+DB_HOST = os.environ.get("DB_HOST")
+DB_PORT = os.environ.get("DB_PORT")
+DB_NAME = os.environ.get("DB_NAME")
+DB_USER = os.environ.get("DB_USER")
+DB_PASS = os.environ.get("DB_PASS")

api/config.py

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+from typing import AsyncGenerator
+
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
+
+from config import DB_HOST, DB_NAME, DB_PASS, DB_PORT, DB_USER
+
+DATABASE_URL = f"postgresql+asyncpg://{DB_USER}:{DB_PASS}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
+
+
+engine = create_async_engine(DATABASE_URL)
+async_session_maker = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+
+async def get_async_session() -> AsyncGenerator[AsyncSession, None]:
+    async with async_session_maker() as session:
+        yield session

api/database.py

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+from fastapi import FastAPI, Request, status
+from fastapi.encoders import jsonable_encoder
+from pydantic import ValidationError
+from fastapi.responses import JSONResponse
+from v1.router import router as router_restaurant
+
+app = FastAPI(
+    title="Ylab Homework First"
+)
+
+
+@app.exception_handler(ValidationError)
+async def validation_exception_handler(request: Request, exc: ValidationError):
+    return JSONResponse(
+        status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
+        content=jsonable_encoder({"detail": exc.errors()}),
+    )
+
+app.include_router(router_restaurant)
+
+# @app.post('/users/{user_id}')
+# def change_user_name(user_id: int, new_name: str):
+#     current_user = list(filter(lambda user: user.get('id') == user_id, fake_users))[0]
+#     current_user['name'] = new_name
+#
+#     return {'status': 200, 'data': current_user}

api/main.py

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+from fastapi import APIRouter, Depends
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from database import get_async_session
+from .models import Menu
+from .schemas import MenuDTO
+
+router = APIRouter(
+    prefix="/api/v1/menus",
+    tags=["Menus"]
+)
+
+
+@router.get("/")
+async def root(session: AsyncSession = Depends(get_async_session)):
+    query = select(Menu)
+    # print(query)
+    # result = list(await session.scalars(query))
+    result = await session.execute(query)
+    result_orm = result.scalars().all()
+    # print(result_orm)
+    result_dto = [MenuDTO.model_validate(row, from_attributes=True) for row in result_orm]
+    # print(result_dto)
+
+    return result_dto
+
+
+# @router.post('/')
+# async def add_restaurant(new_restaurant: RestaurantAdd, sessions: AsyncSession = Depends(get_async_session)):
+#     return {'status': 'success', 'message': ''}

api/v1/router.py

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+from pydantic import BaseModel, UUID4
+
+
+class MenuDTO(BaseModel):
+    id: UUID4
+    title: str
+    description: str
+

api/v1/schemas.py

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+Generic single-database configuration.

migrations/README

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+import os
+import sys
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from api.v1.models import Base
+from api.config import DB_HOST, DB_PORT, DB_USER, DB_NAME, DB_PASS
+
+sys.path.append(os.path.join(sys.path[0], 'api'))
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+section = config.config_ini_section
+config.set_section_option(section, 'DB_HOST', DB_HOST)
+config.set_section_option(section, 'DB_PORT', DB_PORT)
+config.set_section_option(section, 'DB_USER', DB_USER)
+config.set_section_option(section, 'DB_NAME', DB_NAME)
+config.set_section_option(section, 'DB_PASS', DB_PASS)
+
+# Interpret the config.py file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+
+# target_metadata = mymodel.Base.metadata
+target_metadata = Base.metadata
+
+# other values from the config.py, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.py.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline() -> None:
+    """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() -> None:
+    """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/env.py

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

migrations/script.py.mako

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+"""dish back and submenu redacted
+
+Revision ID: 804eb99fe48e
+Revises: bf606edaead7
+Create Date: 2024-01-22 13:28:25.496591
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '804eb99fe48e'
+down_revision: Union[str, None] = 'bf606edaead7'
+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! ###
+    pass
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###

migrations/versions/804eb99fe48e_dish_back_and_submenu_redacted.py

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+"""dish redacted
+
+Revision ID: bf606edaead7
+Revises: c6c4c8da3a40
+Create Date: 2024-01-22 13:17:44.606146
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'bf606edaead7'
+down_revision: Union[str, None] = 'c6c4c8da3a40'
+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! ###
+    pass
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###