feat: Implement task

.flake8

@@ -5,4 +5,4 @@ max-line-length = 119
 max-complexity = 18
 select = B,C,E,F,W,T4,B9,ANN,Q0,N8,VNE
 exclude = .venv
-extend-exclude = src/tests/*
+extend-exclude = src/tests/*, src/database/migrations/*

src/database/populate.py

@@ -6,8 +6,15 @@
 
 from config import get_settings
 from database import MovieModel, get_db_contextmanager
-from database.models import CountryModel, GenreModel, ActorModel, MoviesGenresModel, ActorsMoviesModel, LanguageModel, \
+from database.models import (
+    CountryModel,
+    GenreModel,
+    ActorModel,
+    MoviesGenresModel,
+    ActorsMoviesModel,
+    LanguageModel,
     MoviesLanguagesModel
+)
 
 
 class CSVDatabaseSeeder:
@@ -139,6 +146,7 @@ def seed(self):
             print(f"Unexpected error: {e}")
             raise
 
+
 def main():
     settings = get_settings()
     with get_db_contextmanager() as db_session:

src/routes/movies.py

@@ -1,12 +1,221 @@
-from fastapi import APIRouter, Depends, HTTPException, Query
-from sqlalchemy.exc import IntegrityError
-from sqlalchemy.orm import Session, joinedload
+import datetime
+from typing import Annotated
+
+from fastapi import (
+    APIRouter,
+    Depends,
+    HTTPException,
+    Query,
+    status
+)
+from sqlalchemy.orm import Session
 
 from database import get_db
-from database.models import MovieModel, CountryModel, GenreModel, ActorModel, LanguageModel
+from database.models import (
+    MovieModel,
+    CountryModel,
+    GenreModel,
+    ActorModel,
+    LanguageModel
+)
+from schemas.movies import (
+    MovieDetailResponseSchema,
+    MovieListResponseSchema,
+    MovieUpdateResponseSchema,
+    MovieCreateResponseSchema,
+    MovieListReadResponseSchema
+)
 
 
 router = APIRouter()
 
 
-# Write your code here
+@router.get("/movies/", response_model=MovieListResponseSchema)
+def get_movies(
+    page: Annotated[int, Query(ge=1, description="The page number to fetch.")] = 1,
+    per_page: Annotated[int, Query(ge=1, le=20, description="Number of movies per page.")] = 10,
+    db: Session = Depends(get_db)
+):
+    total_items = db.query(MovieModel).count()
+    total_pages = (total_items + per_page - 1) // per_page
+
+    if page > total_pages or total_items == 0:
+        raise HTTPException(status_code=404, detail="No movies found.")
+
+    offset = (page - 1) * per_page
+    movies_query = db.query(MovieModel).order_by(MovieModel.id.desc()).offset(offset).limit(per_page).all()
+    movies = [MovieListReadResponseSchema.model_validate(movie) for movie in movies_query]
+
+    prev_page = f"/theater/movies/?page={page - 1}&per_page={per_page}" if page > 1 else None
+    next_page = f"/theater/movies/?page={page + 1}&per_page={per_page}" if page < total_pages else None
+
+    return MovieListResponseSchema(
+        movies=movies,
+        prev_page=prev_page,
+        next_page=next_page,
+        total_pages=total_pages,
+        total_items=total_items,
+    )
+
+
+@router.get("/movies/{movie_id}", response_model=MovieDetailResponseSchema)
+def get_movie_by_id(movie_id: int, db: Session = Depends(get_db)):
+    movie = db.query(MovieModel).filter(MovieModel.id == movie_id).first()
+    if not movie:
+        raise HTTPException(status_code=404, detail="Movie with the given ID was not found.")
+    return movie
+
+
+@router.post("/movies/", response_model=MovieDetailResponseSchema, status_code=status.HTTP_201_CREATED)
+def create_movie(movie: MovieCreateResponseSchema, db: Session = Depends(get_db)):
+    if len(movie.name) > 255:
+        raise HTTPException(
+            status_code=400,
+            detail="Invalid input data."
+        )
+
+    if movie.date > datetime.datetime.now().date() + datetime.timedelta(days=365):
+        raise HTTPException(
+            status_code=400,
+            detail="Invalid input data."
+        )
+
+    if not (0 <= movie.score <= 100):
+        raise HTTPException(
+            status_code=400,
+            detail="Invalid input data."
+        )
+
+    if movie.budget < 0 or movie.revenue < 0:
+        raise HTTPException(
+            status_code=400,
+            detail="Invalid input data."
+        )
+
+    existing_movie = db.query(MovieModel).filter_by(name=movie.name, date=movie.date).first()
+    if existing_movie:
+        raise HTTPException(
+            status_code=409,
+            detail=f"A movie with the name '{movie.name}' and release date '{movie.date}' already exists."
+        )
+
+    country = db.query(CountryModel).filter_by(code=movie.country).first()
+    if not country:
+        country = CountryModel(code=movie.country)
+        db.add(country)
+        db.commit()
+        db.refresh(country)
+
+    genres = []
+    for genre in movie.genres:
+        genre_obj = db.query(GenreModel).filter_by(name=genre).first()
+        if not genre_obj:
+            genre_obj = GenreModel(name=genre)
+            db.add(genre_obj)
+            db.commit()
+            db.refresh(genre_obj)
+        genres.append(genre_obj)
+
+    actors = []
+    for actor in movie.actors:
+        actor_obj = db.query(ActorModel).filter_by(name=actor).first()
+        if not actor_obj:
+            actor_obj = ActorModel(name=actor)
+            db.add(actor_obj)
+            db.commit()
+            db.refresh(actor_obj)
+        actors.append(actor_obj)
+
+    languages = []
+    for language in movie.languages:
+        language_obj = db.query(LanguageModel).filter_by(name=language).first()
+        if not language_obj:
+            language_obj = LanguageModel(name=language)
+            db.add(language_obj)
+            db.commit()
+            db.refresh(language_obj)
+        languages.append(language_obj)
+
+    db_movie = MovieModel(
+        name=movie.name,
+        date=movie.date,
+        score=movie.score,
+        overview=movie.overview,
+        status=movie.status,
+        budget=movie.budget,
+        revenue=movie.revenue,
+        country=country,
+        genres=genres,
+        actors=actors,
+        languages=languages,
+    )
+
+    db.add(db_movie)
+    db.commit()
+    db.refresh(db_movie)
+    return db_movie
+
+
+@router.delete("/movies/{movie_id}", status_code=status.HTTP_204_NO_CONTENT)
+def remove_movie(movie_id: int, db: Session = Depends(get_db)):
+    db_movie = db.query(MovieModel).filter(MovieModel.id == movie_id).first()
+    if not db_movie:
+        raise HTTPException(status_code=404, detail="Movie with the given ID was not found.")
+    db.delete(db_movie)
+    db.commit()
+
+
+@router.patch("/movies/{movie_id}")
+def edit_movie(movie_id: int, movie: MovieUpdateResponseSchema, db: Session = Depends(get_db)):
+    db_movie = db.query(MovieModel).filter(MovieModel.id == movie_id).first()
+    if not db_movie:
+        raise HTTPException(status_code=404, detail="Movie with the given ID was not found.")
+
+    if movie.name:
+        if len(movie.name) > 255:
+            raise HTTPException(
+                status_code=400,
+                detail="Invalid input data."
+            )
+        db_movie.name = movie.name
+
+    if movie.date:
+        if movie.date > datetime.datetime.now().date() + datetime.timedelta(days=365):
+            raise HTTPException(
+                status_code=400,
+                detail="Invalid input data."
+            )
+        db_movie.date = movie.date
+
+    if movie.score:
+        if not (0 <= movie.score <= 100):
+            raise HTTPException(
+                status_code=400,
+                detail="Invalid input data."
+            )
+        db_movie.score = movie.score
+
+    if movie.overview:
+        db_movie.overview = movie.overview
+    if movie.status:
+        db_movie.status = movie.status
+
+    if movie.budget:
+        if movie.budget < 0:
+            raise HTTPException(
+                status_code=400,
+                detail="Invalid input data."
+            )
+        db_movie.budget = movie.budget
+
+    if movie.revenue:
+        if movie.revenue < 0:
+            raise HTTPException(
+                status_code=400,
+                detail="Invalid input data."
+            )
+        db_movie.revenue = movie.revenue
+
+    db.commit()
+    db.refresh(db_movie)
+    return {"detail": "Movie updated successfully.", "movie": db_movie}

src/schemas/movies.py

@@ -1 +1,97 @@
-# Write your code here
+import datetime
+
+from pydantic import BaseModel
+
+from database.models import MovieStatusEnum
+
+
+class CountryResponseSchema(BaseModel):
+    id: int
+    code: str
+    name: str | None
+
+    model_config = {"from_attributes": True}
+
+
+class GenreResponseSchema(BaseModel):
+    id: int
+    name: str
+
+    model_config = {"from_attributes": True}
+
+
+class ActorResponseSchema(BaseModel):
+    id: int
+    name: str
+
+    model_config = {"from_attributes": True}
+
+
+class LanguageResponseSchema(BaseModel):
+    id: int
+    name: str
+
+    model_config = {"from_attributes": True}
+
+
+class MovieListReadResponseSchema(BaseModel):
+    id: int
+    name: str
+    date: datetime.date
+    score: float
+    overview: str
+
+    model_config = {"from_attributes": True}
+
+
+class MovieListResponseSchema(BaseModel):
+    movies: list[MovieListReadResponseSchema]
+    prev_page: str | None
+    next_page: str | None
+    total_pages: int
+    total_items: int
+
+
+class MovieDetailResponseSchema(BaseModel):
+    id: int
+    name: str
+    date: datetime.date
+    score: float
+    overview: str
+    status: MovieStatusEnum
+    budget: float
+    revenue: float
+    country: CountryResponseSchema
+    genres: list[GenreResponseSchema]
+    actors: list[ActorResponseSchema]
+    languages: list[LanguageResponseSchema]
+
+    model_config = {"from_attributes": True}
+
+
+class MovieCreateResponseSchema(BaseModel):
+    name: str
+    date: datetime.date
+    score: float
+    overview: str
+    status: MovieStatusEnum
+    budget: float
+    revenue: float
+    country: str
+    genres: list[str]
+    actors: list[str]
+    languages: list[str]
+
+    model_config = {"from_attributes": True}
+
+
+class MovieUpdateResponseSchema(BaseModel):
+    name: str | None = None
+    date: datetime.date | None = None
+    score: float | None = None
+    overview: str | None = None
+    status: MovieStatusEnum | None = None
+    budget: float | None = None
+    revenue: float | None = None
+
+    model_config = {"from_attributes": True}