kaminari--kaminari/kaminari-core/lib/generators/kaminari/views_generator.rb

138 lines
4.6 KiB
Ruby

# frozen_string_literal: true
module Kaminari
module Generators
# rails g kaminari:views THEME
class ViewsGenerator < Rails::Generators::NamedBase # :nodoc:
source_root File.expand_path('../../../../app/views/kaminari', __FILE__)
class_option :template_engine, type: :string, aliases: '-e', desc: 'Template engine for the views. Available options are "erb", "haml", and "slim".'
class_option :views_prefix, type: :string, desc: 'Prefix for path to put views in.'
def self.banner #:nodoc:
<<-BANNER.chomp
rails g kaminari:views THEME [options]
Copies all paginator partial templates to your application.
You can choose a template THEME by specifying one from the list below:
- default
The default one.
This one is used internally while you don't override the partials.
#{themes.map {|t| " - #{t.name}\n#{t.description}"}.join("\n")}
BANNER
end
desc ''
def copy_or_fetch #:nodoc:
return copy_default_views if file_name == 'default'
if (theme = self.class.themes.detect {|t| t.name == file_name})
if download_templates(theme).empty?
say "template_engine: #{template_engine} is not available for theme: #{file_name}"
end
else
say "no such theme: #{file_name}\n available themes: #{self.class.themes.map(&:name).join ', '}"
end
end
private
def self.themes
@themes ||= GitHubApiHelper.get_files_in_master.group_by {|fn, _| fn[0...(fn.index('/') || 0)]}.delete_if {|fn, _| fn.blank?}.map do |name, files|
Theme.new name, files
end
rescue SocketError
[]
end
def download_templates(theme)
theme.templates_for(template_engine).each do |template|
say " downloading #{template.name} from kaminari_themes..."
create_file view_path_for(template.name), GitHubApiHelper.get_content_for("#{theme.name}/#{template.name}")
end
end
def copy_default_views
filename_pattern = File.join self.class.source_root, "*.html.#{template_engine}"
Dir.glob(filename_pattern).map {|f| File.basename f}.each do |f|
copy_file f, view_path_for(f)
end
end
def view_path_for(file)
['app', 'views', views_prefix, 'kaminari', File.basename(file)].compact.join('/')
end
def views_prefix
options[:views_prefix].try(:to_s)
end
def template_engine
engine = options[:template_engine].try(:to_s).try(:downcase)
if engine == 'haml' || engine == 'slim'
ActiveSupport::Deprecation.warn 'The -e option is deprecated and will be removed in the near future. Please use the html2slim gem or the html2haml gem ' \
'to convert erb templates manually.'
end
engine || 'erb'
end
end
Template = Struct.new(:name, :sha) do
def description?
name == 'DESCRIPTION'
end
def view?
name =~ /^app\/views\//
end
def engine #:nodoc:
File.extname(name).sub(/^\./, '')
end
end
class Theme
attr_accessor :name
def initialize(name, templates) #:nodoc:
@name, @templates = name, templates.map {|fn, sha| Template.new fn.sub(/^#{name}\//, ''), sha}
end
def description #:nodoc:
file = @templates.detect(&:description?)
return "#{' ' * 12}#{name}" unless file
GitHubApiHelper.get_content_for("#{@name}/#{file.name}").chomp.gsub(/^/, ' ' * 12)
end
def templates_for(template_engine) #:nodoc:
@templates.select {|t| t.engine == template_engine }
end
end
module GitHubApiHelper
require 'open-uri'
def get_files_in_master
master_tree_sha = open('https://api.github.com/repos/amatsuda/kaminari_themes/git/refs/heads/master') do |json|
ActiveSupport::JSON.decode(json.read)['object']['sha']
end
open('https://api.github.com/repos/amatsuda/kaminari_themes/git/trees/' + master_tree_sha + '?recursive=1') do |json|
blobs = ActiveSupport::JSON.decode(json.read)['tree'].find_all {|i| i['type'] == 'blob' }
blobs.map do |blob|
[blob['path'], blob['sha']]
end
end
end
module_function :get_files_in_master
def get_content_for(path)
open('https://api.github.com/repos/amatsuda/kaminari_themes/contents/' + path) do |json|
Base64.decode64(ActiveSupport::JSON.decode(json.read)['content'])
end
end
module_function :get_content_for
end
end
end