Class: Ektoplayer::Models::Browser::BrowsableCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/ektoplayer/models/browser.rb

Instance Method Summary collapse

Constructor Details

#initialize(database, filters, tag_hierarchy) ⇒ BrowsableCollection

Returns a new instance of BrowsableCollection.



57
58
59
60
61
62
 
# File 'lib/ektoplayer/models/browser.rb', line 57

def initialize(database, filters, tag_hierarchy)
   @database, @tag_hierarchy = database, tag_hierarchy
   @filters = filters
   @tag = @tag_hierarchy.shift(1)[0]
   reload
end

Instance Method Details

#[](*args) ⇒ Object 



54
 
# File 'lib/ektoplayer/models/browser.rb', line 54

def [](*args)     @contents[*args]        end

#each(&block) ⇒ Object 



53
 
# File 'lib/ektoplayer/models/browser.rb', line 53

def each(&block)  @contents.each(&block)  end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


55
 
# File 'lib/ektoplayer/models/browser.rb', line 55

def empty?;       @contents.empty?        end

#enter(index) ⇒ Object 



83
84
85
86
87
 
# File 'lib/ektoplayer/models/browser.rb', line 83

def enter(index)
   return :parent if index == 0
   return unless @tag
   BrowsableCollection.new(@database, new_filters(index), @tag_hierarchy)
end

#reload ⇒ Object 



64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
 
# File 'lib/ektoplayer/models/browser.rb', line 64

def reload
   @contents = [PARENT_DIRECTORY]

   if @tag
      @contents.concat(
         @database.select(
            columns: @tag,
            filters: @filters, 
            group_by: @tag,
            order_by: [@tag] + @filters.map { |f| f[:tag] }
         ).map { |r| r[0] }
      )
   else
      @contents.concat(
         @database.select(filters: @filters)
      )
   end
end

#tracks(index) ⇒ Object 



89
90
91
92
93
94
95
96
 
# File 'lib/ektoplayer/models/browser.rb', line 89

def tracks(index)
   if not @tag
      return [] if index == 0
      return [ @contents[index] ]
   else
      @database.select(filters: new_filters(index))
   end
end