Class: DiscourseTheme::Watcher

Inherits:
Object
  • Object
show all
Defined in:
lib/discourse_theme/watcher.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dir:, uploader:) ⇒ Watcher

Returns a new instance of Watcher.



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# File 'lib/discourse_theme/watcher.rb', line 12

def initialize(dir:, uploader:)
  @dir = dir
  @uploader = uploader
end

Class Method Details

.return_immediately! ⇒ Object 



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# File 'lib/discourse_theme/watcher.rb', line 4

def self.return_immediately!
  @return_immediately = true
end

.return_immediately? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/discourse_theme/watcher.rb', line 8

def self.return_immediately?
  !!@return_immediately
end

Instance Method Details

#watch ⇒ Object 



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# File 'lib/discourse_theme/watcher.rb', line 17

def watch
  listener = Listen.to(@dir) do |modified, added, removed|
    begin
      if modified.length == 1 &&
          added.length == 0 &&
          removed.length == 0 &&
          (resolved = resolve_file(modified[0]))

        target, name, type_id = resolved
        UI.progress "Fast updating #{target}.scss"

        @uploader.upload_theme_field(
          target: target,
          name: name,
          value: File.read(modified[0]),
          type_id: type_id
        )
      else
        count = modified.length + added.length + removed.length
        if count > 1
          UI.progress "Detected changes in #{count} files, uploading theme"
        else
          filename = modified[0] || added[0] || removed[0]
          UI.progress "Detected changes in #{filename.gsub(@dir, '')}, uploading theme"
        end
        @uploader.upload_full_theme
      end
      UI.success "Done! Watching for changes..."
    rescue DiscourseTheme::ThemeError => e
      UI.error "#{e.message}"
      UI.progress "Watching for changes..."
    end
  end

  listener.start
  sleep unless self.class.return_immediately?
end