From 950270c7329d5da05a1bfb080c929b79fb9115d1 Mon Sep 17 00:00:00 2001
From: Luis Gustavo <96274957+Luisgustavo2014@users.noreply.github.com>
Date: Sat, 28 Jan 2023 12:41:12 -0300
Subject: [PATCH] Add files via upload

---
 aplicativo.py    | 74 ++++++++++++++++++++++++++++++++++++++++++++++++
 crud.py          | 48 +++++++++++++++++++++++++++++++
 db_handler.py    | 20 +++++++++++++
 model.py         | 19 +++++++++++++
 requirements.txt | 29 +++++++++++++++++++
 schema.py        | 45 +++++++++++++++++++++++++++++
 6 files changed, 235 insertions(+)
 create mode 100644 aplicativo.py
 create mode 100644 crud.py
 create mode 100644 db_handler.py
 create mode 100644 model.py
 create mode 100644 requirements.txt
 create mode 100644 schema.py

diff --git a/aplicativo.py b/aplicativo.py
new file mode 100644
index 00000000..bf5e25b9
--- /dev/null
+++ b/aplicativo.py
@@ -0,0 +1,74 @@
+# Main class
+from typing import List
+
+from fastapi import Depends, FastAPI, HTTPException
+from sqlalchemy.orm import Session
+
+import crud
+import model
+import schema
+from db_handler import SessionLocal, engine
+
+model.Base.metadata.create_all(bind=engine)
+
+# Initializing the app
+app = FastAPI(title="CRUD Operations using Python FastAPI")
+
+
+# Database dependency
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+# Get all movies
+@app.get('/get-all', response_model=List[schema.Movie])
+def get_all(db: Session = Depends(get_db)):
+    return crud.get_all(db=db)
+
+
+# Save new movie
+@app.post('/add', response_model=schema.MovieAdd)
+def add(movie: schema.MovieAdd, db: Session = Depends(get_db)):
+    movie_id = crud.get_by_id(db=db, sl_id=movie.movie_id)
+    if movie_id:
+        print("Resource conflict")
+        raise HTTPException(status_code=409, detail=f"Resource id {movie_id} already exist")
+
+    return crud.add(db=db, movie=movie)
+
+
+# Delete a movie by id
+@app.delete('/delete')
+def delete(sl_id: int, db: Session = Depends(get_db)):
+    details = crud.get_by_id(db=db, sl_id=sl_id)
+    if not details:
+        print("Entity not found")
+        raise HTTPException(status_code=404, detail=f"Resource not found")
+    try:
+        crud.delete(db=db, sl_id=sl_id)
+    except Exception as e:
+        raise HTTPException(status_code=400, detail=f"Unable to delete: {e}")
+
+    return {"status": "accepted", "code": "202", "message": "Resource deleted"}
+
+
+# Update a movie by id
+@app.put('/update', response_model=schema.Movie)
+def update(sl_id: int, update_param: schema.UpdateMovie, db: Session = Depends(get_db)):
+    details = crud.get_by_id(db=db, sl_id=sl_id)
+    if not details:
+        print("Entity not found")
+        raise HTTPException(status_code=404, detail=f"Resource not found")
+
+    return crud.update(db=db, details=update_param, sl_id=sl_id)
+
+
+# Driver code
+if __name__ == '__main__':
+    import uvicorn
+
+    uvicorn.run(app, host="localhost", port=7001, log_level="debug")
diff --git a/crud.py b/crud.py
new file mode 100644
index 00000000..f05f53ce
--- /dev/null
+++ b/crud.py
@@ -0,0 +1,48 @@
+#  Crud operation methods
+from sqlalchemy.orm import Session
+
+import model
+import schema
+
+
+def get_all(db: Session):
+    print("fetching records")
+    return db.query(model.Movies).all()
+
+
+def get_by_id(db: Session, sl_id: int):
+    print("fetching record id={}".format(sl_id))
+    return db.query(model.Movies).filter(model.Movies.id == sl_id).first()
+
+
+def add(db: Session, movie: schema.MovieAdd):
+    mv_details = model.Movies(
+        movie_id=movie.movie_id,
+        movie_name=movie.movie_name,
+        director=movie.director,
+        geners=movie.geners,
+        membership_required=movie.membership_required,
+        cast=movie.cast,
+        streaming_platform=movie.streaming_platform)
+    print("saving new record")
+    db.add(mv_details)
+    db.commit()
+    db.refresh(mv_details)
+    return model.Movies(**movie.dict())
+
+
+def delete(db: Session, sl_id: int):
+    try:
+        print("deleting record id={}".format(sl_id))
+        db.query(model.Movies).filter(model.Movies.id == sl_id).delete()
+        db.commit()
+    except Exception as e:
+        raise Exception(e)
+
+
+def update(db: Session, sl_id: int, details: schema.UpdateMovie):
+    print("updating record id={}".format(sl_id))
+    db.query(model.Movies).filter(model.Movies.id == sl_id).update(vars(details))
+    db.commit()
+    return db.query(model.Movies).filter(model.Movies.id == sl_id).first()
+
diff --git a/db_handler.py b/db_handler.py
new file mode 100644
index 00000000..5774ec9e
--- /dev/null
+++ b/db_handler.py
@@ -0,0 +1,20 @@
+# Handling database
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+DATABASE_URL = "sqlite:///./movie_database.db"
+
+# creating engine
+# Setting check_same_thread to False so that the returned connection may be shared across multiple threads
+engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
+
+# bind – An optional Connectable, will assign the bind attribute on the MetaData instance
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+# A simple constructor that allows initialization
+Base = declarative_base()
+
+
+
+
diff --git a/model.py b/model.py
new file mode 100644
index 00000000..cc55a9c9
--- /dev/null
+++ b/model.py
@@ -0,0 +1,19 @@
+# Model class
+from sqlalchemy import Boolean, Column, Integer, String
+
+from db_handler import Base
+
+
+class Movies(Base):
+    # Setting constraints on the table structure
+    __tablename__ = "movie"
+    id = Column(Integer, primary_key=True, autoincrement=True, index=True, nullable=False)
+    movie_id = Column(String)
+    movie_name = Column(String(255))
+    director = Column(String(100))
+    geners = Column(String)
+    membership_required = Column(Boolean)
+    cast = Column(String(255))
+    streaming_platform = Column(String)
+
+
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..6e9df326
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,29 @@
+fastapi~=0.75.2
+sqlalchemy~=1.4.37
+pydantic~=1.8.2
+
+pytest~=7.1.2
+h11~=0.12.0
+pip~=22.1.2
+attrs~=21.4.0
+toml~=0.10.2
+wheel~=0.37.1
+Jinja2~=3.1.2
+anyio~=3.6.1
+sniffio~=1.2.0
+starlette~=0.17.1
+requests~=2.27.1
+uvloop~=0.16.0
+click~=8.1.3
+uvicorn~=0.17.6
+asgiref~=3.5.2
+PyYAML~=6.0
+wsproto~=1.1.0
+greenlet~=1.1.2
+decorator~=5.1.1
+python-multipart~=0.0.5
+httpx~=0.22.0
+setuptools~=62.5.0
+packaging~=21.3
+pyparsing~=3.0.9
+zipp~=3.8.0
\ No newline at end of file
diff --git a/schema.py b/schema.py
new file mode 100644
index 00000000..760b38bc
--- /dev/null
+++ b/schema.py
@@ -0,0 +1,45 @@
+# Schema class
+from typing import Optional
+
+from pydantic import BaseModel
+
+
+class MovieBase(BaseModel):
+    movie_name: str
+    director: str
+    geners: str
+    cast: str
+
+
+class MovieAdd(MovieBase):
+    movie_id: int
+    # Optional[str] is just a shorthand or alias for Union[str, None].
+    streaming_platform: Optional[str] = None
+    membership_required: bool
+
+    # Behaviour of pydantic can be controlled via the Config class on a model
+    # to support models that map to ORM objects. Config property orm_mode must be set to True
+    class Config:
+        orm_mode = True
+
+
+class Movie(MovieAdd):
+    id: int
+
+    # Behaviour of pydantic can be controlled via the Config class on a model
+    # to support models that map to ORM objects. Config property orm_mode must be set to True
+    class Config:
+        orm_mode = True
+
+
+class UpdateMovie(BaseModel):
+    # Optional[str] is just a shorthand or alias for Union[str, None].
+    streaming_platform: Optional[str] = None
+    membership_required: bool
+
+    # Behaviour of pydantic can be controlled via the Config class on a model
+    # to support models that map to ORM objects. Config property orm_mode must be set to True
+    class Config:
+        orm_mode = True
+
+