Class: Theme

Inherits:
ActiveRecord::Base
  • Object
show all
Extended by:
FriendlyId
Defined in:
app/models/theme.rb

Constant Summary collapse

THEME_STRUCTURE = 
['stylesheets', 'javascripts', 'images', 'templates']

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

.base_layouts_views_path ⇒ Object

Returns the value of attribute base_layouts_views_path.



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# File 'app/models/theme.rb', line 8

def base_layouts_views_path
  @base_layouts_views_path
end

.knitkit_website_images_path ⇒ Object

Returns the value of attribute knitkit_website_images_path.



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# File 'app/models/theme.rb', line 8

def knitkit_website_images_path
  @knitkit_website_images_path
end

.knitkit_website_stylesheets_path ⇒ Object

Returns the value of attribute knitkit_website_stylesheets_path.



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# File 'app/models/theme.rb', line 8

def knitkit_website_stylesheets_path
  @knitkit_website_stylesheets_path
end

Class Method Details

.base_dir(website) ⇒ Object 



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# File 'app/models/theme.rb', line 21

def base_dir(website)
  "#{root_dir}/sites/#{website.iid}/themes"
end

.find_theme_root(file) ⇒ Object 



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# File 'app/models/theme.rb', line 176

def find_theme_root(file)
  theme_root = ''
  Zip::ZipFile.open(file.path) do |zip|
    zip.each do |entry|
      entry.name.sub!(/__MACOSX\//, '')
      if theme_root = root_in_path(entry.name)
        break
      end
    end
  end
  theme_root
end

.import(file, website) ⇒ Object 



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# File 'app/models/theme.rb', line 25

def import(file, website)
  name_and_id = file.original_filename.to_s.gsub(/(^.*(\\|\/))|(\.zip$)/, '')
  theme_name = name_and_id.split('[').first
  theme_id = name_and_id.split('[').last.gsub(']','')
  return false unless valid_theme?(file)
  Theme.create(:name => theme_name, :theme_id => theme_id, :website => website).tap do |theme|
    theme.import(file)
  end
end

.make_tmp_dir ⇒ Object 



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# File 'app/models/theme.rb', line 35

def make_tmp_dir
  Pathname.new(Rails.root.to_s + "/tmp/themes/tmp_#{Time.now.to_i.to_s}/").tap do |dir|
    FileUtils.mkdir_p(dir) unless dir.exist?
  end
end

.root_dir ⇒ Object 



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# File 'app/models/theme.rb', line 17

def root_dir
  @@root_dir ||= "#{Rails.root}/public"
end

.root_in_path(path) ⇒ Object 



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# File 'app/models/theme.rb', line 189

def root_in_path(path)
  root_found = false
  theme_root = ''
  path.split('/').each do |piece|
    if piece == 'about.yml' || THEME_STRUCTURE.include?(piece)
      root_found = true
    else
      theme_root += piece + '/' if !piece.match('\.') && !root_found
    end
  end
  root_found ? theme_root : false
end

.strip_path(file_name, path) ⇒ Object 



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# File 'app/models/theme.rb', line 202

def strip_path(file_name, path)
  file_name.sub(path, '')
end

.valid_theme?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/theme.rb', line 41

def valid_theme?(file)
  valid = false
  Zip::ZipFile.open(file.path) do |zip|
    zip.sort.each do |entry|
      entry.name.split('/').each do |file|
        valid = true if THEME_STRUCTURE.include?(file)
      end
    end
  end
  valid
end

Instance Method Details

#about ⇒ Object 



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# File 'app/models/theme.rb', line 103

def about
  %w(name author version homepage summary).inject({}) do |result, key|
    result[key] = send(key)
    result
  end
end

#activate! ⇒ Object 



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# File 'app/models/theme.rb', line 75

def activate!
  update_attributes! :active => true
end

#create_layouts_for_widget(widget) ⇒ Object 



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# File 'app/models/theme.rb', line 96

def create_layouts_for_widget(widget)
  widget_hash = Rails.application.config.erp_app.widgets.find{|item| item[:name] == widget}
  widget_hash[:view_files].each do |view_file|
    save_theme_file(view_file[:path], :widgets, {:path_to_replace => view_file[:path].split('/views')[0], :widget_name => widget})
  end
end

#create_theme_files! ⇒ Object 



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# File 'app/models/theme.rb', line 212

def create_theme_files!
  file_support = ErpTechSvcs::FileSupport::Base.new
  create_theme_files_for_directory_node(file_support.build_tree(Theme.base_layouts_views_path, :preload => true), :templates, :path_to_replace => Theme.base_layouts_views_path)
  create_theme_files_for_directory_node(file_support.build_tree(Theme.knitkit_website_stylesheets_path, :preload => true), :stylesheets, :path_to_replace => Theme.knitkit_website_stylesheets_path)
  create_theme_files_for_directory_node(file_support.build_tree(Theme.knitkit_website_images_path, :preload => true), :images, :path_to_replace => Theme.knitkit_website_images_path)
end

#deactivate! ⇒ Object 



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# File 'app/models/theme.rb', line 79

def deactivate!
  update_attributes! :active => false
end

#delete_theme_files! ⇒ Object 



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# File 'app/models/theme.rb', line 207

def delete_theme_files!
  file_support = ErpTechSvcs::FileSupport::Base.new(:storage => ErpTechSvcs::Config.file_storage)
  file_support.delete_file(File.join(file_support.root,self.url), :force => true)
end

#export ⇒ Object 



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# File 'app/models/theme.rb', line 151

def export
  file_support = ErpTechSvcs::FileSupport::Base.new(:storage => Rails.application.config.erp_tech_svcs.file_storage)
  tmp_dir = Theme.make_tmp_dir
  (tmp_dir + "#{name}[#{theme_id}].zip").tap do |file_name|
    file_name.unlink if file_name.exist?
    Zip::ZipFile.open(file_name.to_s, Zip::ZipFile::CREATE) do |zip|
      files.each {|file|
        contents = file_support.get_contents(File.join(file_support.root,file.directory,file.name))
        relative_path = file.directory.sub("#{url}",'')
        path = FileUtils.mkdir_p(File.join(tmp_dir,relative_path))
        full_path = File.join(path,file.name)
        File.open(full_path, 'wb+') {|f| f.puts(contents) }
        zip.add(File.join(relative_path[1..relative_path.length],file.name), full_path) if ::File.exists?(full_path)
      }
      ::File.open(tmp_dir + 'about.yml', 'wb+') { |f| f.puts(about.to_yaml) }
      zip.add('about.yml', tmp_dir + 'about.yml')
    end
  end
end

#has_template?(directory, name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/theme.rb', line 171

def has_template?(directory, name)
  self.templates.find{|item| item.directory == File.join(path,directory).gsub(Rails.root.to_s, '') and item.name == name}
end

#import(file) ⇒ Object 



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# File 'app/models/theme.rb', line 110

def import(file)
  file_support = ErpTechSvcs::FileSupport::Base.new(:storage => Rails.application.config.erp_tech_svcs.file_storage)
  file = ActionController::UploadedTempfile.new("uploaded-theme").tap do |f|
    f.puts file.read
    f.original_filename = file.original_filename
    f.read # no idea why we need this here, otherwise the zip can't be opened
  end unless file.path

  theme_root = Theme.find_theme_root(file)

  Zip::ZipFile.open(file.path) do |zip|
    zip.each do |entry|
      if entry.name == 'about.yml'
        #TODO
        #FIXME this does not work for some reason
        data = ''
        entry.get_input_stream { |io| data = io.read }
        data = StringIO.new(data) if data.present?
        about = YAML.load(data)
        self.author = about['author'] if about['author']
        self.version = about['version'] if about['version']
        self.homepage = about['homepage'] if about['homepage']
        self.summary = about['summary'] if about['summary']
      else
        name = entry.name.sub(/__MACOSX\//, '')
        name = Theme.strip_path(name, theme_root)
        data = ''
        entry.get_input_stream { |io| data = io.read }
        data = StringIO.new(data) if data.present?
        theme_file = self.files.where("name = ? and directory = ?", File.basename(name), File.join(self.url,File.dirname(name))).first
        unless theme_file.nil?
          theme_file.data = data
          theme_file.save
        else
          self.add_file(data, File.join(file_support.root, self.url,name)) rescue next
        end
      end
    end
  end
end

#non_themed_widgets ⇒ Object 



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# File 'app/models/theme.rb', line 89

def non_themed_widgets
  already_themed_widgets = self.themed_widgets
  Rails.application.config.erp_app.widgets.select do |widget_hash|
    !already_themed_widgets.include?(widget_hash[:name])
  end.collect{|item| item[:name]}
end

#path ⇒ Object 



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# File 'app/models/theme.rb', line 67

def path
  "#{self.class.base_dir(website)}/#{theme_id}"
end

#should_generate_new_friendly_id? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/theme.rb', line 58

def should_generate_new_friendly_id?
  new_record?
end

#themed_widgets ⇒ Object 



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# File 'app/models/theme.rb', line 83

def themed_widgets
  Rails.application.config.erp_app.widgets.select do |widget_hash|
    !(self.files.where("directory like '#{File.join(self.url, 'widgets', widget_hash[:name])}%'").all.empty?)
  end.collect{|item| item[:name]}
end

#url ⇒ Object 



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# File 'app/models/theme.rb', line 71

def url
  "/public/sites/#{website.iid}/themes/#{theme_id}"
end