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.



12
13
14
15
 
# File 'lib/discourse_theme/watcher.rb', line 12

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

Class Method Details

.return_immediately! ⇒ Object 



4
5
6
 
# File 'lib/discourse_theme/watcher.rb', line 4

def self.return_immediately!
  @return_immediately = true
end

.return_immediately? ⇒ Boolean

Returns:

  • (Boolean) 


8
9
10
 
# File 'lib/discourse_theme/watcher.rb', line 8

def self.return_immediately?
  !!@return_immediately
end

Instance Method Details

#watch ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# 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(skip_migrations: true)
        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 if !self.class.return_immediately?
end