Class: Alexandria::UI::AcquireDialog

Inherits:
BuilderBase show all
Extended by:
GetText
Includes:
ImageFetcher, Logging, GetText
Defined in:
lib/alexandria/ui/acquire_dialog.rb

Instance Method Summary collapse

Methods included from Logging

included, #log

Methods included from ImageFetcher

#fetch_image

Constructor Details

#initialize(parent, selected_library = nil, &block) ⇒ AcquireDialog

Returns a new instance of AcquireDialog.



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 51

def initialize(parent, selected_library = nil, &block)
  super("acquire_dialog__builder.glade", widget_names)
  @acquire_dialog.transient_for = @parent = parent
  @block = block

  libraries = LibraryCollection.instance.all_regular_libraries
  selected_library = libraries.first if selected_library.is_a?(SmartLibrary)
  @combo_libraries.populate_with_libraries(libraries,
                                           selected_library)

  @add_button.sensitive = false
  @prefs = Alexandria::Preferences.instance
  setup_scanner_area
  init_treeview
  @book_results = {}

  @search_thread_counter = SearchThreadCounter.new
  @search_threads_running = @search_thread_counter.new_cond
end

Instance Method Details

#book_in_library(isbn10, library) ⇒ Object 



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 80

def book_in_library(isbn10, library)
  isbn13 = Library.canonicalise_ean(isbn10)
  match = library.find do |book|
    (book.isbn == isbn10 || book.isbn == isbn13)
  end
  !match.nil?
rescue StandardError
  log.warn { "Failed to check for book #{isbn10} in library #{library}" }
  true
end

#notify_end_add_by_isbn ⇒ Object 



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 277

def notify_end_add_by_isbn
  GLib::Idle.add do
    MainApp.instance.appbar.children.first.visible = false
    GLib::Source.remove(@progress_pulsing) if @progress_pulsing
    false
  end
end

#notify_start_add_by_isbn ⇒ Object

begin copy-n-paste from new_book_dialog



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 260

def notify_start_add_by_isbn
  GLib::Idle.add do
    main_progress_bar = MainApp.instance.appbar.children.first
    main_progress_bar.visible = true
    @progress_pulsing = GLib::Timeout.add(100) do
      if @destroyed
        @progress_pulsing = nil
        false
      else
        main_progress_bar.pulse
        true
      end
    end
    false
  end
end

#on_add ⇒ Object 



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 91

def on_add
  model = @barcodes_treeview.model

  libraries = LibraryCollection.instance.all_libraries
  library, is_new_library =
    @combo_libraries.selection_from_libraries(libraries)

  # NOTE: at this stage, the ISBN is 10-digit...
  #

  selection = @barcodes_treeview.selection
  isbns = []
  isbn_duplicates = []

  adding_a_selection = false

  if selection.count_selected_rows > 0

    adding_a_selection = true

    model.freeze_notify do
      # capture isbns
      selection.selected_each do |_mod, _path, iter|
        isbn = iter[0]
        if book_in_library(isbn, library)
          isbn_duplicates << isbn
        elsif isbns.include? isbn
          log.info { "detected duplicate in scanned list #{isbn}" }
          isbn_duplicates << isbn
        else
          isbns << isbn
        end
      end

      # try it this way... works because of persistent iters
      row_iters = []
      selection.selected_rows.each do |path|
        iter = model.get_iter(path)
        isbn = iter[0]
        if book_in_library(isbn, library)
          log.debug { "#{isbn} is a duplicate" }
        elsif !@book_results.key?(isbn) # HAX
          log.debug { "no book found for #{isbn}, not adding" }

          # good enough for now
        else
          log.debug { "scheduling #{isbn} for removal from list" }
          row_iters << iter
        end
      end
      row_iters.each do |iter|
        log.debug { "removing iter #{iter[0]}" }
        model.remove(iter)
      end
    end
  else
    model.freeze_notify do
      # capture isbns
      row_iters = []
      model.each do |_mod, _path, iter|
        isbn = iter[0]
        if !@book_results.key?(isbn)
          log.debug { "no book found for #{isbn}, not adding" }
          adding_a_selection = true
        elsif book_in_library(isbn, library)
          log.info { "#{isbn} is a duplicate" }
          isbn_duplicates << isbn
        elsif isbns.include? isbn
          log.info { "detected duplicate in scanned list #{isbn}" }
          isbn_duplicates << isbn
        else
          log.info { "scheduling #{isbn} for removal from list" }
          isbns << isbn
          row_iters << iter
        end
      end
      # remove list items
      if isbn_duplicates.empty? && !adding_a_selection
        model.clear # TODO: unless!!!
        row_iters.clear
      else
        row_iters.each do |iter|
          log.debug { "removing iter #{iter[0]}" }
          model.remove(iter)
        end
      end
    end
  end

  books = []

  isbns.each do |isbn|
    log.debug { "Adding #{isbn}" }
    result = @book_results[isbn]

    if result.nil?
      # used to crash if book was not found in online lookup!
      adding_a_selection = true
      # ISBN not found, so keep it in the list
      # TODO (for 0.6.5) should offer to add this book manually
    else

      book = result[0]
      cover_uri = result[1]

      library.save_cover(book, cover_uri) unless cover_uri.nil?
      books << book
      library << book
      library.save(book)
    end
  end

  if isbn_duplicates.empty?
    @acquire_dialog.destroy unless adding_a_selection
  else
    message = n_("There was %d duplicate",
                 "There were %d duplicates",
                 isbn_duplicates.size) % isbn_duplicates.size
    title = n_("Couldn't add this book",
               "Couldn't add these books",
               isbn_duplicates.size)
    ErrorDialog.new(@acquire_dialog, title, message).display
  end

  @block.call(books, library, is_new_library)
end

#on_cancel ⇒ Object 



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 218

def on_cancel
  @acquire_dialog.destroy
end

#on_help ⇒ Object 



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 222

def on_help; end

#read_barcode_scan ⇒ Object 



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 224

def read_barcode_scan
  @animation.start
  play_sound("scanning") if @test_scan
  log.debug { "reading scanner data #{@scanner_buffer}" }
  barcode_text = nil
  isbn = nil
  begin
    barcode_text = @scanner.decode(@scanner_buffer)
    log.debug { "got barcode text #{barcode_text}" }
    isbn = Library.canonicalise_isbn(barcode_text)
    # TODO: : use an AppFacade
    # isbn =  LookupBook.get_isbn(barcode_text)
  rescue StandardError => ex
    log.error { "Bad scan:  #{@scanner_buffer} #{ex}" }
  ensure
    @scanner_buffer = ""
  end
  if isbn
    log.debug { "Got ISBN #{isbn}" }
    play_sound("good_scan")

    @barcodes_treeview.model.freeze_notify do
      iter = @barcodes_treeview.model.append
      iter[0] = isbn
      iter[1] = Icons::BOOK
      iter[2] = ""
    end
    lookup_book(isbn)
  else
    log.debug { "was not an ISBN barcode" }
    play_sound("bad_scan")
  end
end

#show ⇒ Object 



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 71

def show
  @acquire_dialog.show
end

#update(status, provider) ⇒ Object 



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 285

def update(status, provider)
  GLib::Idle.add do
    messages = {
      searching: _("Searching Provider '%s'..."),
      error: _("Error while Searching Provider '%s'"),
      not_found: _("Not Found at Provider '%s'"),
      found: _("Found at Provider '%s'")
    }
    message = messages[status] % provider
    log.debug { "update message : #{message}" }
    MainApp.instance.ui_manager.set_status_label(message)
    false
  end
end

#widget_names ⇒ Object 



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# File 'lib/alexandria/ui/acquire_dialog.rb', line 75

def widget_names
  [:acquire_dialog, :add_button, :barcodes_treeview, :barcode_label,
   :scan_area, :scan_frame, :combo_libraries]
end