rights and genres

rights.rb

# RAILS METHOD
# RAILS QUERY 1: find the specific rights record based on the movie id and the rights _name_
# under the hood sql query: SELECT * FROM rights WHERE movie.id = 5 AND rights.name = "CA"
# RAILS QUERY 2: update the specific rights record for the specific movie with the id we found in our first query
# under the hood sql query: UPDATE rights where id = 24 SET start = "" and end = "" 

# SQL METHOD
# SQL QUERY 1: you don't have the id, use the name, try and find it, and then update if you find it in a single query
class RightsController < ApplicationController
  def update_right
    movie = Movie.find(params[:movie_id]) # Find the movie by ID

    # Extract the rights data from the request
    rights_data = params.require(:right).permit(:name, :start, :end)

    # Find the right by name and movie
    right = movie.rights.find_by(name: rights_data[:name])

    if right.nil?
      render json: { error: "Right with name '#{rights_data[:name]}' not found for movie ID #{movie.id}" }, status: :not_found
      return
    end

    # Update the fields (start and end)
    if right.update(rights_data)
      render json: { message: 'Right updated successfully', right: right }, status: :ok
    else
      render json: { errors: right.errors.full_messages }, status: :unprocessable_entity
    end
  end
end

class MoviesController < ApplicationController
  def append_genres
    movie = Movie.find(params[:id]) # Find the movie by ID

    # Genres can be sent as an array of genre IDs or names
    genre_ids = params[:genre_ids] # Example: [1, 2, 3]
    genre_names = params[:genre_names] # Example: ['Action', 'Drama']

    if genre_ids.present?
      # Append genres by IDs
      genres = Genre.where(id: genre_ids)
      movie.genres << genres
    elsif genre_names.present?
      # Append genres by names (create if they don't exist)
      genres = genre_names.map { |name| Genre.find_or_create_by(name: name) }
      movie.genres << genres
    else
      render json: { error: 'No genres provided' }, status: :unprocessable_entity
      return
    end

    if movie.save
      render json: { message: 'Genres successfully appended', movie: movie }, status: :ok
    else
      render json: { error: movie.errors.full_messages }, status: :unprocessable_entity
    end
  end
end