From 6705b7a5e203cfef2b480e1e00e1910fe1ce1ea5 Mon Sep 17 00:00:00 2001 From: Automated Action Date: Mon, 12 May 2025 13:51:42 +0000 Subject: [PATCH] Create Weather Data API with OpenWeatherMap integration - Implemented FastAPI application structure - Added OpenWeatherMap API integration - Created SQLite database with SQLAlchemy - Setup Alembic for database migrations - Added health check endpoint - Created comprehensive README generated with BackendIM... (backend.im) --- README.md | 69 +++++++++++- alembic.ini | 102 +++++++++++++++++ alembic/env.py | 77 +++++++++++++ alembic/script.py.mako | 24 ++++ alembic/versions/initial_migration.py | 58 ++++++++++ app/api/__init__.py | 0 app/api/health.py | 25 +++++ app/api/v1/__init__.py | 0 app/api/v1/api.py | 7 ++ app/api/v1/endpoints/__init__.py | 0 app/api/v1/endpoints/weather.py | 85 ++++++++++++++ app/core/config.py | 19 ++++ app/db/base.py | 13 +++ app/db/session.py | 8 ++ app/models/__init__.py | 1 + app/models/weather.py | 35 ++++++ app/schemas/__init__.py | 5 + app/schemas/weather.py | 53 +++++++++ app/services/weather.py | 152 ++++++++++++++++++++++++++ main.py | 44 ++++++++ requirements.txt | 7 ++ 21 files changed, 782 insertions(+), 2 deletions(-) create mode 100644 alembic.ini create mode 100644 alembic/env.py create mode 100644 alembic/script.py.mako create mode 100644 alembic/versions/initial_migration.py create mode 100644 app/api/__init__.py create mode 100644 app/api/health.py create mode 100644 app/api/v1/__init__.py create mode 100644 app/api/v1/api.py create mode 100644 app/api/v1/endpoints/__init__.py create mode 100644 app/api/v1/endpoints/weather.py create mode 100644 app/core/config.py create mode 100644 app/db/base.py create mode 100644 app/db/session.py create mode 100644 app/models/__init__.py create mode 100644 app/models/weather.py create mode 100644 app/schemas/__init__.py create mode 100644 app/schemas/weather.py create mode 100644 app/services/weather.py create mode 100644 main.py create mode 100644 requirements.txt diff --git a/README.md b/README.md index e8acfba..bc87890 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,68 @@ -# FastAPI Application +# Weather Data API -This is a FastAPI application bootstrapped by BackendIM, the AI-powered backend generation platform. +A FastAPI application that retrieves weather data from OpenWeatherMap and stores it in a SQLite database. + +## Features + +- Fetch current weather data from OpenWeatherMap +- Store weather data in a SQLite database +- Track weather history for cities +- RESTful API with FastAPI +- Database migrations with Alembic +- Health check endpoint + +## Setup + +1. Clone the repository +2. Install dependencies: + +```bash +pip install -r requirements.txt +``` + +3. Run the application: + +```bash +uvicorn main:app --reload +``` + +## API Endpoints + +### Weather Endpoints + +- `GET /api/v1/weather/current/{city_name}` - Get current weather for a city +- `POST /api/v1/weather/current` - Get current weather using request body +- `GET /api/v1/weather/cities` - List all cities +- `GET /api/v1/weather/cities/{city_id}` - Get city details +- `GET /api/v1/weather/history/{city_id}` - Get weather history for a city + +### Health Check + +- `GET /health` - Check application health + +## Database + +The application uses SQLite with SQLAlchemy. The database is stored in `/app/storage/db/db.sqlite`. + +### Migrations + +Database migrations are managed with Alembic: + +```bash +# Apply migrations +alembic upgrade head + +# Create a new migration +alembic revision -m "description" +``` + +## Environment Variables + +- `OPENWEATHERMAP_API_KEY` - Your OpenWeatherMap API key (default: `bd5e378503939ddaee76f12ad7a97608`) + +## Documentation + +The API documentation is available at: + +- Swagger UI: `/docs` +- ReDoc: `/redoc` diff --git a/alembic.ini b/alembic.ini new file mode 100644 index 0000000..dac1820 --- /dev/null +++ b/alembic.ini @@ -0,0 +1,102 @@ +# A generic, single database configuration. + +[alembic] +# path to migration scripts +script_location = alembic + +# template used to generate migration files +# file_template = %%(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-dateutil library that can be +# installed by adding `alembic[tz]` to the pip requirements +# 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 alembic/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:alembic/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. + +# the output encoding used when revision files +# are written from script.py.mako +# output_encoding = utf-8 + +sqlalchemy.url = sqlite:////app/storage/db/db.sqlite + + +[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 + +# 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 \ No newline at end of file diff --git a/alembic/env.py b/alembic/env.py new file mode 100644 index 0000000..faf9314 --- /dev/null +++ b/alembic/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 app.db.base import Base +from app.models.weather import City, WeatherData +target_metadata = Base.metadata + +# 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() \ No newline at end of file diff --git a/alembic/script.py.mako b/alembic/script.py.mako new file mode 100644 index 0000000..1e4564e --- /dev/null +++ b/alembic/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"} \ No newline at end of file diff --git a/alembic/versions/initial_migration.py b/alembic/versions/initial_migration.py new file mode 100644 index 0000000..7b22ea5 --- /dev/null +++ b/alembic/versions/initial_migration.py @@ -0,0 +1,58 @@ +"""initial migration + +Revision ID: 55e2b32824ab +Revises: +Create Date: 2023-10-10 12:00:00.000000 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = '55e2b32824ab' +down_revision = None +branch_labels = None +depends_on = None + + +def upgrade(): + # Create cities table + op.create_table('cities', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('name', sa.String(), nullable=True), + sa.Column('country', sa.String(), nullable=True), + sa.Column('latitude', sa.Float(), nullable=True), + sa.Column('longitude', sa.Float(), nullable=True), + sa.Column('created_at', sa.DateTime(), nullable=True), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_cities_id'), 'cities', ['id'], unique=False) + op.create_index(op.f('ix_cities_name'), 'cities', ['name'], unique=False) + + # Create weather_data table + op.create_table('weather_data', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('city_id', sa.Integer(), nullable=True), + sa.Column('temperature', sa.Float(), nullable=True), + sa.Column('feels_like', sa.Float(), nullable=True), + sa.Column('humidity', sa.Integer(), nullable=True), + sa.Column('pressure', sa.Integer(), nullable=True), + sa.Column('wind_speed', sa.Float(), nullable=True), + sa.Column('wind_direction', sa.Integer(), nullable=True), + sa.Column('description', sa.String(), nullable=True), + sa.Column('weather_main', sa.String(), nullable=True), + sa.Column('weather_icon', sa.String(), nullable=True), + sa.Column('timestamp', sa.DateTime(), nullable=True), + sa.ForeignKeyConstraint(['city_id'], ['cities.id'], ), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_weather_data_id'), 'weather_data', ['id'], unique=False) + + +def downgrade(): + op.drop_index(op.f('ix_weather_data_id'), table_name='weather_data') + op.drop_table('weather_data') + op.drop_index(op.f('ix_cities_name'), table_name='cities') + op.drop_index(op.f('ix_cities_id'), table_name='cities') + op.drop_table('cities') \ No newline at end of file diff --git a/app/api/__init__.py b/app/api/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/health.py b/app/api/health.py new file mode 100644 index 0000000..9406aed --- /dev/null +++ b/app/api/health.py @@ -0,0 +1,25 @@ +from fastapi import APIRouter, Depends +from sqlalchemy.orm import Session +from datetime import datetime + +from app.db.session import get_db + +router = APIRouter() + +@router.get("/health", tags=["health"]) +def health_check(db: Session = Depends(get_db)): + """ + Health check endpoint + """ + try: + # Check database connection + db.execute("SELECT 1") + db_status = "healthy" + except Exception as e: + db_status = f"unhealthy: {str(e)}" + + return { + "status": "healthy", + "timestamp": datetime.utcnow(), + "database": db_status + } \ No newline at end of file diff --git a/app/api/v1/__init__.py b/app/api/v1/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/v1/api.py b/app/api/v1/api.py new file mode 100644 index 0000000..c62efb7 --- /dev/null +++ b/app/api/v1/api.py @@ -0,0 +1,7 @@ +from fastapi import APIRouter + +from app.api.v1.endpoints import weather + +api_router = APIRouter() + +api_router.include_router(weather.router, prefix="/weather", tags=["weather"]) \ No newline at end of file diff --git a/app/api/v1/endpoints/__init__.py b/app/api/v1/endpoints/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/v1/endpoints/weather.py b/app/api/v1/endpoints/weather.py new file mode 100644 index 0000000..39c90a6 --- /dev/null +++ b/app/api/v1/endpoints/weather.py @@ -0,0 +1,85 @@ +from typing import List +from fastapi import APIRouter, Depends, HTTPException, Query +from sqlalchemy.orm import Session + +from app.db.session import get_db +from app.schemas.weather import WeatherResponse, City, CityWeather, CityQuery +from app.services.weather import ( + get_and_save_weather, + get_cities, + get_city_by_id, + get_weather_history_by_city +) + +router = APIRouter() + +@router.get("/current/{city_name}", response_model=WeatherResponse) +async def get_current_weather( + city_name: str, + country_code: str = None, + db: Session = Depends(get_db) +): + """ + Get current weather for a specific city + """ + try: + result = await get_and_save_weather(db, city_name, country_code) + return result + except Exception as e: + raise HTTPException(status_code=500, detail=str(e)) + +@router.post("/current", response_model=WeatherResponse) +async def get_current_weather_by_query( + query: CityQuery, + db: Session = Depends(get_db) +): + """ + Get current weather for a city using request body + """ + try: + result = await get_and_save_weather(db, query.city, query.country) + return result + except Exception as e: + raise HTTPException(status_code=500, detail=str(e)) + +@router.get("/cities", response_model=List[City]) +def list_cities( + skip: int = 0, + limit: int = 100, + db: Session = Depends(get_db) +): + """ + List all cities + """ + return get_cities(db, skip=skip, limit=limit) + +@router.get("/cities/{city_id}", response_model=City) +def get_city( + city_id: int, + db: Session = Depends(get_db) +): + """ + Get city by ID + """ + city = get_city_by_id(db, city_id) + if not city: + raise HTTPException(status_code=404, detail=f"City with ID {city_id} not found") + return city + +@router.get("/history/{city_id}", response_model=CityWeather) +def get_weather_history( + city_id: int, + skip: int = 0, + limit: int = 100, + db: Session = Depends(get_db) +): + """ + Get weather history for a specific city + """ + city = get_city_by_id(db, city_id) + if not city: + raise HTTPException(status_code=404, detail=f"City with ID {city_id} not found") + + weather_data = get_weather_history_by_city(db, city_id, skip=skip, limit=limit) + + return {"city": city, "weather_data": weather_data} \ No newline at end of file diff --git a/app/core/config.py b/app/core/config.py new file mode 100644 index 0000000..b79cda2 --- /dev/null +++ b/app/core/config.py @@ -0,0 +1,19 @@ +import os +from pathlib import Path +from dotenv import load_dotenv + +load_dotenv() + +# API Settings +API_V1_STR = "/api/v1" +PROJECT_NAME = "Weather Data API" + +# OpenWeatherMap Settings +OPENWEATHERMAP_API_KEY = os.getenv("OPENWEATHERMAP_API_KEY", "bd5e378503939ddaee76f12ad7a97608") +OPENWEATHERMAP_BASE_URL = "https://api.openweathermap.org/data/2.5" + +# Database Settings +DB_DIR = Path("/app") / "storage" / "db" +DB_DIR.mkdir(parents=True, exist_ok=True) + +SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/db.sqlite" \ No newline at end of file diff --git a/app/db/base.py b/app/db/base.py new file mode 100644 index 0000000..7a05ce7 --- /dev/null +++ b/app/db/base.py @@ -0,0 +1,13 @@ +from sqlalchemy import create_engine +from sqlalchemy.ext.declarative import declarative_base +from sqlalchemy.orm import sessionmaker + +from app.core.config import SQLALCHEMY_DATABASE_URL + +engine = create_engine( + SQLALCHEMY_DATABASE_URL, + connect_args={"check_same_thread": False} +) + +SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) +Base = declarative_base() \ No newline at end of file diff --git a/app/db/session.py b/app/db/session.py new file mode 100644 index 0000000..f051386 --- /dev/null +++ b/app/db/session.py @@ -0,0 +1,8 @@ +from app.db.base import SessionLocal + +def get_db(): + db = SessionLocal() + try: + yield db + finally: + db.close() \ No newline at end of file diff --git a/app/models/__init__.py b/app/models/__init__.py new file mode 100644 index 0000000..775f77a --- /dev/null +++ b/app/models/__init__.py @@ -0,0 +1 @@ +from app.models.weather import City, WeatherData \ No newline at end of file diff --git a/app/models/weather.py b/app/models/weather.py new file mode 100644 index 0000000..3c642a9 --- /dev/null +++ b/app/models/weather.py @@ -0,0 +1,35 @@ +from sqlalchemy import Column, Integer, String, Float, DateTime, ForeignKey +from sqlalchemy.orm import relationship +from datetime import datetime + +from app.db.base import Base + +class City(Base): + __tablename__ = "cities" + + id = Column(Integer, primary_key=True, index=True) + name = Column(String, index=True) + country = Column(String) + latitude = Column(Float) + longitude = Column(Float) + created_at = Column(DateTime, default=datetime.utcnow) + + weather_data = relationship("WeatherData", back_populates="city") + +class WeatherData(Base): + __tablename__ = "weather_data" + + id = Column(Integer, primary_key=True, index=True) + city_id = Column(Integer, ForeignKey("cities.id")) + temperature = Column(Float) + feels_like = Column(Float) + humidity = Column(Integer) + pressure = Column(Integer) + wind_speed = Column(Float) + wind_direction = Column(Integer) + description = Column(String) + weather_main = Column(String) + weather_icon = Column(String) + timestamp = Column(DateTime, default=datetime.utcnow) + + city = relationship("City", back_populates="weather_data") \ No newline at end of file diff --git a/app/schemas/__init__.py b/app/schemas/__init__.py new file mode 100644 index 0000000..fa496b4 --- /dev/null +++ b/app/schemas/__init__.py @@ -0,0 +1,5 @@ +from app.schemas.weather import ( + City, CityCreate, CityBase, + WeatherData, WeatherDataCreate, WeatherDataBase, + WeatherResponse, CityWeather, CityQuery +) \ No newline at end of file diff --git a/app/schemas/weather.py b/app/schemas/weather.py new file mode 100644 index 0000000..583d00f --- /dev/null +++ b/app/schemas/weather.py @@ -0,0 +1,53 @@ +from pydantic import BaseModel, Field +from datetime import datetime +from typing import Optional, List + +class CityBase(BaseModel): + name: str + country: str + latitude: float + longitude: float + +class CityCreate(CityBase): + pass + +class City(CityBase): + id: int + created_at: datetime + + class Config: + orm_mode = True + +class WeatherDataBase(BaseModel): + temperature: float + feels_like: float + humidity: int + pressure: int + wind_speed: float + wind_direction: int + description: str + weather_main: str + weather_icon: str + +class WeatherDataCreate(WeatherDataBase): + city_id: int + +class WeatherData(WeatherDataBase): + id: int + city_id: int + timestamp: datetime + + class Config: + orm_mode = True + +class WeatherResponse(BaseModel): + city: City + current_weather: WeatherData + +class CityWeather(BaseModel): + city: City + weather_data: List[WeatherData] + +class CityQuery(BaseModel): + city: str = Field(..., description="City name") + country: Optional[str] = Field(None, description="Country code (ISO 3166-1 alpha-2)") \ No newline at end of file diff --git a/app/services/weather.py b/app/services/weather.py new file mode 100644 index 0000000..a9ea7f9 --- /dev/null +++ b/app/services/weather.py @@ -0,0 +1,152 @@ +import httpx +from datetime import datetime +from sqlalchemy.orm import Session +from fastapi import HTTPException + +from app.core.config import OPENWEATHERMAP_API_KEY, OPENWEATHERMAP_BASE_URL +from app.models.weather import City, WeatherData +from app.schemas.weather import CityCreate, WeatherDataCreate + +async def get_weather_by_city_name(city_name: str, country_code: str = None): + """ + Get current weather data from OpenWeatherMap API by city name + """ + params = { + "q": f"{city_name},{country_code}" if country_code else city_name, + "appid": OPENWEATHERMAP_API_KEY, + "units": "metric" + } + + async with httpx.AsyncClient() as client: + response = await client.get(f"{OPENWEATHERMAP_BASE_URL}/weather", params=params) + + if response.status_code != 200: + raise HTTPException(status_code=response.status_code, + detail=f"Error from OpenWeatherMap: {response.json().get('message', 'Unknown error')}") + + return response.json() + +async def get_weather_by_coordinates(lat: float, lon: float): + """ + Get current weather data from OpenWeatherMap API by coordinates + """ + params = { + "lat": lat, + "lon": lon, + "appid": OPENWEATHERMAP_API_KEY, + "units": "metric" + } + + async with httpx.AsyncClient() as client: + response = await client.get(f"{OPENWEATHERMAP_BASE_URL}/weather", params=params) + + if response.status_code != 200: + raise HTTPException(status_code=response.status_code, + detail=f"Error from OpenWeatherMap: {response.json().get('message', 'Unknown error')}") + + return response.json() + +def create_or_update_city(db: Session, owm_data: dict): + """ + Create or update city in the database + """ + # Check if city already exists + city = db.query(City).filter( + City.name == owm_data["name"], + City.latitude == owm_data["coord"]["lat"], + City.longitude == owm_data["coord"]["lon"] + ).first() + + if not city: + # Create new city + city_data = CityCreate( + name=owm_data["name"], + country=owm_data["sys"]["country"], + latitude=owm_data["coord"]["lat"], + longitude=owm_data["coord"]["lon"] + ) + + city = City( + name=city_data.name, + country=city_data.country, + latitude=city_data.latitude, + longitude=city_data.longitude + ) + + db.add(city) + db.commit() + db.refresh(city) + + return city + +def save_weather_data(db: Session, city_id: int, owm_data: dict): + """ + Save weather data to database + """ + weather_data = WeatherDataCreate( + city_id=city_id, + temperature=owm_data["main"]["temp"], + feels_like=owm_data["main"]["feels_like"], + humidity=owm_data["main"]["humidity"], + pressure=owm_data["main"]["pressure"], + wind_speed=owm_data["wind"]["speed"], + wind_direction=owm_data["wind"]["deg"], + description=owm_data["weather"][0]["description"], + weather_main=owm_data["weather"][0]["main"], + weather_icon=owm_data["weather"][0]["icon"] + ) + + db_weather_data = WeatherData( + city_id=weather_data.city_id, + temperature=weather_data.temperature, + feels_like=weather_data.feels_like, + humidity=weather_data.humidity, + pressure=weather_data.pressure, + wind_speed=weather_data.wind_speed, + wind_direction=weather_data.wind_direction, + description=weather_data.description, + weather_main=weather_data.weather_main, + weather_icon=weather_data.weather_icon, + timestamp=datetime.utcnow() + ) + + db.add(db_weather_data) + db.commit() + db.refresh(db_weather_data) + + return db_weather_data + +async def get_and_save_weather(db: Session, city_name: str, country_code: str = None): + """ + Get weather data from OpenWeatherMap API and save to database + """ + # Get weather data from OpenWeatherMap + owm_data = await get_weather_by_city_name(city_name, country_code) + + # Create or update city + city = create_or_update_city(db, owm_data) + + # Save weather data + weather_data = save_weather_data(db, city.id, owm_data) + + return {"city": city, "current_weather": weather_data} + +def get_city_by_id(db: Session, city_id: int): + """ + Get city by ID + """ + return db.query(City).filter(City.id == city_id).first() + +def get_cities(db: Session, skip: int = 0, limit: int = 100): + """ + Get all cities + """ + return db.query(City).offset(skip).limit(limit).all() + +def get_weather_history_by_city(db: Session, city_id: int, skip: int = 0, limit: int = 100): + """ + Get weather history for a specific city + """ + return db.query(WeatherData).filter( + WeatherData.city_id == city_id + ).order_by(WeatherData.timestamp.desc()).offset(skip).limit(limit).all() \ No newline at end of file diff --git a/main.py b/main.py new file mode 100644 index 0000000..187c2c9 --- /dev/null +++ b/main.py @@ -0,0 +1,44 @@ +import uvicorn +from fastapi import FastAPI +from fastapi.middleware.cors import CORSMiddleware + +from app.api.v1.api import api_router +from app.api.health import router as health_router +from app.core.config import API_V1_STR, PROJECT_NAME +from app.db.base import Base, engine + +# Create database tables +Base.metadata.create_all(bind=engine) + +app = FastAPI( + title=PROJECT_NAME, + description="API for retrieving weather data from OpenWeatherMap", + version="0.1.0", +) + +# Set up CORS +app.add_middleware( + CORSMiddleware, + allow_origins=["*"], + allow_credentials=True, + allow_methods=["*"], + allow_headers=["*"], +) + +# Include routers +app.include_router(api_router, prefix=API_V1_STR) +app.include_router(health_router) + +@app.get("/", tags=["root"]) +def root(): + """ + Root endpoint + """ + return { + "message": "Welcome to the Weather Data API", + "docs": "/docs", + "redoc": "/redoc" + } + +if __name__ == "__main__": + uvicorn.run("main:app", host="0.0.0.0", port=8000, reload=True) \ No newline at end of file diff --git a/requirements.txt b/requirements.txt new file mode 100644 index 0000000..c52273b --- /dev/null +++ b/requirements.txt @@ -0,0 +1,7 @@ +fastapi==0.103.1 +uvicorn==0.23.2 +sqlalchemy==2.0.20 +pydantic==2.3.0 +alembic==1.12.0 +httpx==0.24.1 +python-dotenv==1.0.0 \ No newline at end of file