APIs created using Django.
Database - SQLITE

Models:
    1. Movie:
            Fields:
                   a. 'name' - Name of the movie(character field)
                   b. 'director' - Name of the director(character field)
                   c. 'imdb_score' - Imdb score of the movie(Decimal field - 2 decimal places)
                   d. 'popularity' - Popularity of the movie(Decimal field - 1 decimal place)
                   e. 'genres' - Different genres of the movie(Many-to-many fields)
    2. Genres:
            Fields:
                   a. 'name' - Name of the genre(character field)

Views:
    MovieViewSet:
                - ModelViewSet that uses Generic API view and different mixins to provide default CRUD operations
                - To serialize the data we have used Movie Serializer.
                - To filter data to be used in search, we have overridden SearchFilter to provide default and dynamic
                  fields
                - We have overridden the default get_permission to allow only authenticated users to perform GET
                  method on the API
                - And allow only Admin users to execute POST, PUT and PATCH methods, to create or update the movie data

Serializer:
    MovieSerializer:
                - The Movie serializer that returns the movie data and also adds the genre data with all its fields.
                - Implemented custom create function since we have many-to-many relation in our data set
                - New moive is created whilst checking if the genre already exists.
                - Implemented custom update where the id of the genre that is passed in the API is loaded and available
                  here as instance.
                - We update the instance on the with the data provided in the body.
                - Same is used to make partial updates(PATCH)

Access level:
            There are 2 levels of access:
                1. Authenticated user - Has access only to movies list
                2. Admin user - Has access to movies list, and can perform CRUD operations
                                on movies database

USERS:
      Admin user:
            username: admin
            password: admin
      Authenticated user:
            username: alex
            password: imdb1234

API:
    LOGIN: To get the auth token for successive requests.
           REQUEST:
                    URL - POST https://ahmedimdbapp.herokuapp.com/api/auth/token/login
                    Header - 'Content-Type: application/json'
                    body - {
                             "username": "alex",
	                         "password": "imdb1234"
                            }
           RESPONSE:
                    {
                       "auth_token": "a6e857632c4f751b9e65db5920ec1bb8db3ddc47"
                    }

    MOVIE List: To get the list of all the movies. Default page limit for movies is 10.
           REQUEST:
                   URL - GET https://ahmedimdbapp.herokuapp.com/imdb/movies/
                         GET https://ahmedimdbapp.herokuapp.com/imdb/movies/?page=2
                   HEADER -  'Content-Type: application/json'
                           -  'Authorization: Token a6e857632c4f751b9e65db5920ec1bb8db3ddc47'
           RESPONSE:
                   {
                    "count": 248,
                    "next": "http://127.0.0.1:8000/imdb/movies/?page=3",
                    "previous": "http://127.0.0.1:8000/imdb/movies/",
                    "results": [
                        {
                            "id": 11,
                            "genres": [
                                {
                                    "id": 7,
                                    "name": "Drama"
                                },
                                {
                                    "id": 14,
                                    "name": "Crime"
                                }
                            ],
                            "name": "The Godfather",
                            "director": "Francis Ford Coppola",
                            "imdb_score": "9.2",
                            "popularity": "92.0"
                         },
                                ]
                    }

    SEARCH Movies:
           REQUEST:
                   URL - GET https://ahmedimdbapp.herokuapp.com/imdb/movies?search=wiz
                         GET https://ahmedimdbapp.herokuapp.com/imdb/movies?search=Victor&search_fields=director
                   HEADER -  'Content-Type: application/json'
                           -  'Authorization: Token a6e857632c4f751b9e65db5920ec1bb8db3ddc47'
           RESPONSE:
            {
                "count": 2,
                "next": null,
                "previous": null,
                "results": [
                    {
                        "id": 1,
                        "genres": [
                            {
                                "id": 1,
                                "name": "Adventure"
                            },
                            {
                                "id": 2,
                                "name": "Family"
                            },
                            {
                                "id": 3,
                                "name": "Fantasy"
                            },
                            {
                                "id": 4,
                                "name": "Musical"
                            }
                        ],
                        "name": "The Wizard of Oz",
                        "director": "Victor Fleming",
                        "imdb_score": "8.3",
                        "popularity": "83.0"
                    },
                    {
                        "id": 37,
                        "genres": [
                            {
                                "id": 1,
                                "name": "Adventure"
                            },
                            {
                                "id": 2,
                                "name": "Family"
                            },
                            {
                                "id": 3,
                                "name": "Fantasy"
                            },
                            {
                                "id": 18,
                                "name": "Comedy"
                            }
                        ],
                        "name": "The Wizard of Oz",
                        "director": "Larry Semon",
                        "imdb_score": "5.3",
                        "popularity": "53.0"
                    }
                ]
            }

    CREATE Movie: Create movie, use admin token.
           REQUEST:
                   URL - POST https://ahmedimdbapp.herokuapp.com/imdb/movies/
                   HEADER -  'Content-Type: application/json'
                           -  'Authorization: Token 52223333b674f40303f2cbb46e5cdce4cd801092'
                   BODY - {
                            "genres": [
                                {
                                    "name": "Action"
                                }
                            ],
                            "name": "Mars rover",
                            "director": "J K",
                            "imdb_score": "8.3",
                            "popularity": "8.2"
                          }
           RESPONSE:
                         {
                            "id" : 250
                            "genres": [
                                {
                                    "id" : 7
                                    "name": "Action"
                                }
                            ],
                            "name": "Mars rover",
                            "director": "J K",
                            "imdb_score": "8.3",
                            "popularity": "8.2"
                          }

    Update Movie: Update movie(mention movie 'id' in the URL), use admin token.
           REQUEST:
                   URL - PUT https://ahmedimdbapp.herokuapp.com/imdb/movies/25
                   HEADER -  'Content-Type: application/json'
                           -  'Authorization: Token 52223333b674f40303f2cbb46e5cdce4cd801092'
                   BODY - {
                            "genres": [
                                {
                                    "name": "Action"
                                }
                            ],
                            "name": "Mars rover 2",
                            "director": "J K",
                            "imdb_score": "8.7",
                            "popularity": "84.2"
                          }
           RESPONSE:
                         {
                            "genres": [
                                {
                                    "name": "Action"
                                }
                            ],
                            "name": "Mars 2",
                            "director": "JK",
                            "imdb_score": "8.3",
                            "popularity": "8.2"
                        }

     Delete Movie: Delete movie(mention movie 'id' in the URL), user admin token
           REQUEST:
                   URL - Delete https://ahmedimdbapp.herokuapp.com/imdb/movies/25
                   HEADER -  'Content-Type: application/json'
                           -  'Authorization: Token 52223333b674f40303f2cbb46e5cdce4cd801092'
           RESPONSE: