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Add feature to filter issues by multiple labels

Matthias Käppler requested to merge github/fork/tudorpavel/filter-by-multiple-labels into master

Created by: tudorpavel

The idea of this feature is to have the possibility of filtering issues by more than one label. Only issues which contain all the selected labels should be displayed.

Feature Request: http://feedback.gitlab.com/forums/176466-general/suggestions/4036826-multiple-label-selection

User Interface

The implementation consists of a modified UI for a project's issues page:

  • labels dropdown filter removed
  • all project's labels displayed in left sidebar
  • selected labels are highlighted as shown

Screenshot before: labels_filter_before_screenshot

Screenshot after: labels_filter_screenshot

Implementation

  • selected labels are added to params[:label_name] and separated by commas
  • because of the way acts-as-taggable-on's #tagged_with method works by default, no other backend modification is required
  • normal links add the label to the filter
  • highlighted links remove the label from the filter

Testing

A Spinach feature was written to test the functionality.

Merge request reports