Class: MovieManagerGem::Finder

Inherits:
Object
  • Object
show all
Defined in:
lib/movie-manager-gem.rb

Overview

DH Searcher ###

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Finder

require ‘pg’ # postgres implementation



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# File 'lib/movie-manager-gem.rb', line 13

def initialize()
	# start database
	@@DB = Sequel.sqlite(File.expand_path('~/.movie_manager_003.db'))	# sqlite3 implementation
	# @@DB = Sequel.postgres('testdb', :host=>'localhost', :user=>'David', :password=>'password')	# postgres implementation

	# create tables within database
	create_all_tables

	# tie ruby-accessible datasets to database table
	@movies_dataset						= @@DB[:movies]
	@movie_genre_dataset			= @@DB[:movie_genre]
	@genres_dataset						= @@DB[:genres]
	@directories_dataset			= @@DB[:directories]
	@movie_actor_dataset			= @@DB[:movie_actor]
	@actors_dataset						= @@DB[:actors]
	@movie_director_dataset		= @@DB[:movie_director]
	@directors_dataset				= @@DB[:directors]

	# joins
	@movie_directories_join 	= @movies_dataset.join(:directories, :id => :directory_id) # must be before other joins
	@movie_genre_join					= @movie_directories_join.join(:movie_genre, :movie_id => :movies__id).join(:genres, :id => :genre_id)
	@movie_actor_join					= @movie_directories_join.join(:movie_actor, :movie_id => :movies__id).join(:actors, :id => :actor_id)
	@movie_director_join			= @movie_directories_join.join(:movie_director, :movie_id => :movies__id).join(:directors, :id => :movie_director__director_id)

	# queues and threads
	@local_movies_queue				= Queue.new
	@processed_movies_queue		= Queue.new
	@threads									= []
end

Instance Method Details

#actors_record_exists?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/movie-manager-gem.rb', line 368

def actors_record_exists?(name)	
	return false if @actors_dataset.select(:id).where(:name => name).all.length == 0 
	return true
end

#add_all_movies_to_table ⇒ Object

works



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# File 'lib/movie-manager-gem.rb', line 284

def add_all_movies_to_table	# works 
# add func to auto-find/add new movies. 
	2.times do
		# this code was supplied by Theo on SO
		# http://stackoverflow.com/questions/6558828/thread-and-queue
		@threads << Thread.new do
			until @local_movies_queue.empty?
				long_name, clean_name, data = @local_movies_queue.pop(true) rescue nil
				if long_name
					if movies_record_exists?(long_name)
						movie_title = @movies_dataset.select(:title).where(:original_title => long_name).first[:title]
						puts "#{movie_title} record already exists"
					else
						data = get_imdb_movie_info(clean_name)
						@processed_movies_queue << [long_name, clean_name, data]
						add_movie(@processed_movies_queue.pop)
					end
				end
			end
		end
	end
	@threads.each { |t| t.join } 
end

#add_movie(long_name, clean_name, data) ⇒ Object

works



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# File 'lib/movie-manager-gem.rb', line 308

def add_movie((long_name, clean_name, data)) # works
	if data
		# Add Directory to directories_dataset
		@directories_dataset.insert(:directory_path =>  File.dirname(long_name)) unless directories_record_exists?(File.dirname(long_name))

		# Add Movie to movies_dataset
		@movies_dataset.insert( :original_title => long_name, 
			:title => data.title[0..-8],
			:imdb_score => data.rating,
			:summary => data.plot_summary||'No summary available',
			:length => data.length||-1,
			:date_added => Time.new(),
			:directory_id => @directories_dataset.select(:id).where(:directory_path => File.dirname(long_name)).first[:id])

		movie_id = @movies_dataset.select(:id).where(:title => data.title[0..-8]).first[:id]

		# Add Actors to actors_dataset and movie_actor_dataset
		data.cast_members.each do |actor| 
			@actors_dataset.insert(:name => actor) unless actors_record_exists?(actor) # used to be :name => actor.name. Make sure this works online!
			@movie_actor_dataset.insert(:movie_id => movie_id,
				:actor_id => @actors_dataset.select(:id).where(:name => actor).first[:id])
		end if data.cast_members

		# Add Genres to genres_dataset and movie_genre_dataset
		data.genres.each do |genre| 
			@genres_dataset.insert(:genre => genre) unless genres_record_exists?(genre)
			@movie_genre_dataset.insert(:movie_id => movie_id,
				:genre_id => @genres_dataset.select(:id).where(:genre => genre).first[:id])
		end if data.genres

		# Add Directors to directors_dataset and movie_director_dataset 
		data.director.each do |director|  
			if director != "(more)"	# compensates for a bug in imdb gem. Pull request submitted.
				@directors_dataset.insert(:name => director) unless directors_record_exists?(director)
				@movie_director_dataset.insert(:movie_id => movie_id,
					:director_id => @directors_dataset.select(:id).where(:name => director).first[:id])
			end
		end if data.director

		puts "#{data.title[0..-8]} added to table" 

	else
		@movies_dataset.insert(:original_title => long_name, :title => clean_name, :date_added => Time.new())
		puts "#{clean_name} added to table"
	end
end

#create_actors_table ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 459

def create_actors_table
	if @@DB.table_exists?(:actors)
		raise StandardError, 'Actors table already exists, try a different name'	
	else
		@@DB.create_table :actors do
			primary_key :id
			String :name
		end
	end
end

#create_all_tables ⇒ Object

Tables & DBs ###



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# File 'lib/movie-manager-gem.rb', line 389

def create_all_tables
	create_directories_table 		unless @@DB.table_exists?(:directories)

	create_movies_table 				unless @@DB.table_exists?(:movies)

	create_genres_table 				unless @@DB.table_exists?(:genres)
	create_movie_genre_table 		unless @@DB.table_exists?(:movie_genre)

	create_actors_table 				unless @@DB.table_exists?(:actors)
	create_movie_actor_table 		unless @@DB.table_exists?(:movie_actor)

	create_directors_table 			unless @@DB.table_exists?(:directors)
	create_movie_director_table unless @@DB.table_exists?(:movie_director)
end

#create_directories_table ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 424

def create_directories_table
	if @@DB.table_exists?(:directories)
		raise StandardError, 'Directories table already exists, try a different name'	
	else
		@@DB.create_table :directories do
			primary_key :id
			String :directory_path
			Integer :available, 		:default => 1
		end 
	end
end

#create_directors_table ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 482

def create_directors_table 
	if @@DB.table_exists?(:directors)
		raise StandardError, 'Directors table already exists, try a different name'	
	else
		@@DB.create_table :directors do
			primary_key :id
			String :name
		end
	end
end

#create_genres_table ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 436

def create_genres_table
	if @@DB.table_exists?(:genres)
		raise StandardError, 'Genres table already exists, try a different name'	
	else
		@@DB.create_table :genres do
			primary_key :id
			String :genre
		end
	end
end

#create_movie_actor_table ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 470

def create_movie_actor_table
	if @@DB.table_exists?(:movie_actor)
		raise StandardError, 'Movie_Actor table already exists, try a different name'	
	else
		@@DB.create_table :movie_actor do
			primary_key :id
			Integer :movie_id
			Integer :actor_id
		end
	end
end

#create_movie_director_table ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 493

def create_movie_director_table
	if @@DB.table_exists?(:movie_director)
		raise StandardError, 'Movie_Director table already exists, try a different name'	
	else
		@@DB.create_table :movie_director do
			primary_key :id
			Integer :movie_id
			Integer :director_id
		end
	end
end

#create_movie_genre_table ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 447

def create_movie_genre_table
	if @@DB.table_exists?(:movie_genre)
		raise StandardError, 'Movie_Genre table already exists, try a different name'	
	else
		@@DB.create_table :movie_genre do
			primary_key :id
			Integer :movie_id
			Integer :genre_id
		end
	end
end

#create_movies_table ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 404

def create_movies_table
if @@DB.table_exists?(:movies)
	raise StandardError, 'Movies table already exists, try a different name'	
else
	@@DB.create_table :movies do
		primary_key :id
		String  	:original_title
		String  	:title
	  Float			:imdb_score, 				:default => -1 	#1-100
	  Float 		:my_score, 					:default => -1 	#1-100
	  Integer 	:correct_filename, 	:default => 0  	#0/no, 1/yes
	  Integer 	:watched, 					:default => -1 	#-1/unknown, 0/no, 1/yes
	  String 		:summary,						{:text => true, :default => 'No summary available.'}
	  Integer 	:length,						:default => -1
	  String  	:date_added
	  Integer 	:directory_id 
		end 
	end
end

#directories_record_exists?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/movie-manager-gem.rb', line 383

def directories_record_exists?(path)
	return false if @directories_dataset.select(:directory_path).where(:directory_path => path).all.length == 0 
	return true
end

#directors_record_exists?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/movie-manager-gem.rb', line 373

def directors_record_exists?(name)	
	return false if @directors_dataset.select(:id).where(:name => name).all.length == 0 
	return true
end

#display_movie_info(title) ⇒ Object

List and Play Movies ###



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# File 'lib/movie-manager-gem.rb', line 106

def display_movie_info(title)
		movie_list = @movie_genre_join.where(Sequel.ilike(:title, '%'+title+'%'), :available => 1).all  # sqlite3 implementation
		if movie_list.empty?
			puts "Sorry, couldn't find '#{title}'"
		else
			puts "Title: #{movie_list[0][:title]}"
			puts "Genre(s): #{movie_list.inject([]){|out, movie| out<<movie[:genre]}.join(", ")}"
			puts "Rating: #{movie_list[0][:imdb_score]}/10"
			puts "Length: #{movie_list[0][:length]} min."
			puts "Summary:"
			puts "#{movie_list[0][:summary]}"
		end
end

#drop_table(table_name = table_name.to_sym) ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 505

def drop_table(table_name = table_name.to_sym)
	if @@DB.table_exists?(table_name)
		puts "Are you sure you want to drop table \'#{table_name}\'? Y/N"
		response = 1000.chomp.downcase

		case response
		when 'y', 'yes'
			@@DB.drop_table(table_name)
			puts 'Table dropped'
		when 'n', 'no'
			puts 'Table not dropped'
		else
			puts 'Reply with Y or N'
			drop_table(table_name)
		end
	else
		raise StandardError, 'Table doesn\'t exist'
	end
end

#enqueue_local_movies ⇒ Object

Movie-handling fuctions ###



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# File 'lib/movie-manager-gem.rb', line 259

def enqueue_local_movies 	# works
	movies_glob = Dir.glob('**/*.{mkv,MKV,avi,AVI,mp4,MP4,mpg,MPG,mov,MOV}').uniq
	movies_glob.each {|movie| @local_movies_queue << [File.absolute_path(movie), normalize_title(movie), nil]}
	# movies.select!{|movie| File.size(movie) > 600_000_000} # works
end

#find_files_in(path) ⇒ Object

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# File 'lib/movie-manager-gem.rb', line 75

def find_files_in(path) # works
	# tried using ~/ as the default path. Returned too many unrelated videos.
	Dir.chdir(path) do
		enqueue_local_movies
		add_all_movies_to_table
		update_directories_status
	end
end

#genres_record_exists?(genre) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/movie-manager-gem.rb', line 378

def genres_record_exists?(genre)
	return false if @genres_dataset.select(:id).where(:genre => genre).all.length == 0 
	return true
end

#get_imdb_movie_info(clean_name) ⇒ Object

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# File 'lib/movie-manager-gem.rb', line 355

def get_imdb_movie_info(clean_name) # works
	i = Imdb::Search.new(clean_name)
	return i.movies.first	if i.movies.first.class == Imdb::Movie
	return nil
end

#initialized? ⇒ Boolean

Update and Refine Data ###

Returns:

  • (Boolean) 


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# File 'lib/movie-manager-gem.rb', line 44

def initialized?
	@movies_dataset.first
end

#list_all_movies(min_score = -1)) ⇒ Object

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# File 'lib/movie-manager-gem.rb', line 120

def list_all_movies(min_score=-1) # works
	movie_list = @movie_director_join.where({:available => 1}, (Sequel.expr(:imdb_score) >= min_score)).group(:movies__id).order(:title).all # sqlite3 impementation
	# movie_list = @movie_directories_join.order(:title).distinct(:movies__id,:title).where({:available => 1}, (Sequel.expr(:imdb_score) >= min_score)).all? # postgres implementation

	if movie_list.empty?
		puts "Sorry, we don\'t have any movies with a score higher than #{min_score}"
	else
		puts "--- Movies Rated Higher Than #{min_score} ---"
		movie_list.each{ |movie| puts movie[:title]} 
	end
end

#list_movies_by_genre(genre, min_score = -1)) ⇒ Object

works



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# File 'lib/movie-manager-gem.rb', line 195

def list_movies_by_genre(genre, min_score = -1) # works
	movie_list = @movie_genre_join.where(Sequel.ilike(:genre, '%'+genre+'%') & {:available => 1}).group(:movies__id).order(:title).all  # sqlite3 implementation  & (Sequel.expr(:imdb_score) >= min_score)
	# movie_list = @movie_genre_join.order(:title).distinct(:movies__id,:title).where(Sequel.ilike(:genre, '%'+genre+'%') & {:available => 1} & (Sequel.expr(:imdb_score) >= min_score)).all # postgres implementation

	if movie_list.empty?
		puts 'Sorry, we don\'t have that genre. Please enter one from the list:'
		@genres_dataset.select(:genre).order(:genre).all.each {|genre| puts '- ' + genre[:genre]}
	elsif movie_list.select {|movie| movie[:imdb_score] >= min_score}.empty?
		puts "Sorry, couldn't find any movies with genre #{movie_list[0][:genre]} and a rating above #{min_score}"
	else
		search_genre = movie_list.first[:genre]
		print "--- Movies with genre '#{search_genre}' "
		print "rated above #{min_score} " if min_score != -1
		puts "---"
		movie_list.select {|movie| movie[:imdb_score] >= min_score}.each{ |movie| puts movie[:title]} 
	end
end

#list_movies_with_actor(actor, min_score = -1)) ⇒ Object

works



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# File 'lib/movie-manager-gem.rb', line 163

def list_movies_with_actor(actor, min_score = -1) # works
	results_list = @actors_dataset.where(Sequel.ilike(:name, '%'+actor+'%')).all

	if results_list.length > 1
		temp = []
		results_list.each {|result| temp << result[:name]}
		puts "Here are the results for '#{actor}'. Please enter the number of the one you want."
		temp.each_with_index do |name,i| 
			puts "#{i+1}: #{name}"
		end
		print '> '
		actor_name = temp[$stdin.gets.chomp.to_i - 1]

	elsif results_list.length == 1
		actor_name = results_list[0][:name]

	else
		puts "Sorry, we couldn't find an actor named '#{actor}'. Here are the actors we have:"
		@actors_dataset.select(:name).order(:name).all.each {|actor| puts '- ' + actor[:name]}
		return
	end
	movie_list = @movie_actor_join.where({:name => actor_name}, {:available => 1}, (Sequel.expr(:imdb_score) >= min_score)).group(:movies__id).order(:title).all  # sqlite3 implementation
	# movie_list = @movie_actor_join.order(:title).distinct(:movies__id,:title).where({:name => actor_name}, {:available => 1}, (Sequel.expr(:imdb_score) >= min_score)).all  # postgres implementation

	if movie_list.empty?
		puts "Sorry, we don\'t have any movies starring \'#{actor_name}\'."
	else
		puts "--- Movies starring '#{actor_name}' ---"
		movie_list.each{ |movie| puts movie[:title]} 	
	end
end

#list_movies_with_director(director, min_score = -1)) ⇒ Object

works



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# File 'lib/movie-manager-gem.rb', line 132

def list_movies_with_director(director, min_score = -1) # works
	results_list = @directors_dataset.where(Sequel.ilike(:name, '%'+director+'%')).all
	if results_list.length > 1
		temp = []
		results_list.each {|result| temp << result[:name]}
		puts "Here are the results for '#{director}'. Please enter the number of the one you want."
		temp.each_with_index do |name,i| 
			puts "#{i+1}: #{name}"
		end
		print '> '
		director_name = temp[$stdin.gets.chomp.to_i - 1]

	elsif results_list.length == 1
		director_name = results_list[0][:name]

	else
		puts "Sorry, we couldn't find a director named '#{director}'. Here are the directors we have:"
		@directors_dataset.select(:name).order(:name).all.each {|director| puts '- ' + director[:name]}
		return
	end
	movie_list = @movie_director_join.where({:name => director_name}, {:available => 1},  (Sequel.expr(:imdb_score) >= min_score)).group(:movies__id).order(:title).all  # sqlite3 implementation
	#movie_list = @movie_director_join.order(:title).distinct(:movies__id,:title).where({:name => director_name} & {:available => 1} & (Sequel.expr(:imdb_score) >= min_score)).all  # postgres implementation

	if movie_list.empty?
		puts "Sorry, we don\'t have any movies directed by \'#{director_name}\'."
	else
		puts "--- Movies directed by '#{director_name}' ---"
		movie_list.each{ |movie| puts movie[:title]} 	
	end
end

#movies_record_exists?(original) ⇒ Boolean

Exists? ###

Returns:

  • (Boolean) 


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# File 'lib/movie-manager-gem.rb', line 363

def movies_record_exists?(original)	
	return false if @movies_dataset.select(:id).where(:original_title => original).all.length == 0 
	return true
end

#normalize_title(title) ⇒ Object

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# File 'lib/movie-manager-gem.rb', line 265

def normalize_title(title) # works
	# output should seperate path, suffix. Change . and _ to spaces. Replace / and : with - to be unix-safe. remove anything in brackets or braces.
	File.basename(title,'.*').gsub(/[\.|\_]/," ").gsub(/[\/|:]/,"-").gsub(/[\[|\{].*[\]|\}]/, "")
end

#play(movie_title, user_input = true) ⇒ Object

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# File 'lib/movie-manager-gem.rb', line 230

def play(movie_title, user_input=true) # works
	# does a search for the title if a user input it. opens the exact file if another function provided the name
	if user_input
		movie_to_play = @movie_directories_join.where(Sequel.ilike(:title, '%'+movie_title+'%'), :available => 1).group(:movies__id).first  # sqlite3 implementation
		# movie_to_play = @movie_directories_join.order(:title).distinct(:movies__id,:title).where(Sequel.ilike(:title, '%'+movie_title+'%'), :available => 1).first  # postgres implementation
	else
		movie_to_play = @movies_dataset.where(:title => movie_title).first
	end

	if movie_to_play 
		puts "Play #{movie_to_play[:title]}? Y/N"
		print '> '
		response = $stdin.gets.chomp.downcase
		case response
		when 'y', 'yes'
			update_watched_status(movie_to_play[:title],1)
			system("open \"#{movie_to_play[:original_title]}\"")	# unix needs double quotes around file names with spaces
		when 'n', 'no'
			puts 'Okay...'
		else
			puts 'Speak English, man!'
			play(movie_title)
		end
	else
		puts "No movie named '#{movie_title}' found, try a different search"
	end
end

#play_unseen_genre(genre, min_score = -1)) ⇒ Object

works



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# File 'lib/movie-manager-gem.rb', line 213

def play_unseen_genre(genre, min_score = -1) # works
	movie_genre_list = @movie_genre_join.where(Sequel.ilike(:genre, '%'+genre+'%') & {:available => 1} & (Sequel.expr(:imdb_score) >= min_score)).group(:movies__id).all  # sqlite3 implementation
	# movie_genre_list = @movie_genre_join.order(:title).distinct(:movies__id,:title).where(Sequel.ilike(:genre, '%'+genre+'%') & {:available => 1} & (Sequel.expr(:imdb_score) >= min_score)).all  # postgres implementation
	if movie_genre_list.empty?
		puts "Sorry, we don\'t have any movies with the genre #{genre}."
		# this exception doesn't reveal if there are no movies of that genre above the minimum score
	else
		unwatched_list = movie_genre_list.select{|movie| movie[:watched] != 1}
		if unwatched_list.empty?
			puts "Sorry, you\'ve seen all of your #{genre} movies"
		else
			movie_title = unwatched_list.sample[:title]
			play(movie_title,false)
		end
	end		
end

#update_directories_status ⇒ Object

works



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# File 'lib/movie-manager-gem.rb', line 270

def update_directories_status # works 
	@directories_dataset.select(:directory_path).all.each do |dir|
		if Dir.exists?(dir[:directory_path])
			@directories_dataset.where(:directory_path => dir[:directory_path]).update(:available => 1)
		else
			@directories_dataset.where(:directory_path => dir[:directory_path]).update(:available => 0)
		end
	end
end

#update_file_names ⇒ Object 



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# File 'lib/movie-manager-gem.rb', line 48

def update_file_names
  incorrect_names = @movies_dataset.select(:id, :original_title, :title).where(:correct_filename => 0).all
  incorrect_names.each do |name|
  	puts "Is \"#{name[:title]}\" the correct title for \"#{File.basename(name[:original_title],".*")}\"? \n y/n"
  	print '> '
  	response = $stdin.gets.chomp.downcase
		case response
		when 'y','yes'
			new_title = File.dirname(name[:original_title]) + '/' + name[:title].gsub(/[\.|\_]/," ").gsub(/[\/|:]/,"-") + File.extname(name[:original_title])
			File.rename(name[:original_title], new_title) #this is also in normalize
			# mac replaces ':' with '/', this is a problem
			# directories get confused when a movie title has a '/' in it
			@movies_dataset.where(:id => name[:id]).update(:correct_filename => 1, :original_title => new_title)
			puts "File updated"
		when 'n', 'no'
			# incorrect title, must refine, replace our RT search records
			@movies_dataset.where(:id => name[:id]).update(:correct_filename => -1)
			puts "crap, sorry..."
		when 'end','exit'
			break
		else
			puts "Respond with 'y' or 'n'"
			# you'll have to run the command again to continue
		end
	end
end

#update_watched_list ⇒ Object

works



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# File 'lib/movie-manager-gem.rb', line 84

def update_watched_list # works
	@movies_dataset.where(:watched => -1).all.each do |movie|
		puts "Have you seen #{movie[:title]}? Y/N or end"
		print '> '
		response = $stdin.gets.chomp.downcase
		case response
		when 'y', 'yes'
			update_watched_status(movie[:title],1)
			puts 'Record updated'
		when 'n', 'no'
			update_watched_status(movie[:title],0)
			puts 'Record updated'
		when 'end'
			break
		else
			puts 'I didn\'t catch that..'
			update_watched_list
		end
	end
end

#update_watched_status(movie_title, status) ⇒ Object

works.



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# File 'lib/movie-manager-gem.rb', line 280

def update_watched_status(movie_title, status)	# works. 
	@movies_dataset.where(:title => movie_title).update(:watched => status)
end