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