Adds ability to filter watched issues (#846).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2456 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/query.rb

@@ -165,6 +165,10 @@ class Query < ActiveRecord::Base
     end
     @available_filters["assigned_to_id"] = { :type => :list_optional, :order => 4, :values => user_values } unless user_values.empty?
     @available_filters["author_id"] = { :type => :list, :order => 5, :values => user_values } unless user_values.empty?
+    
+    if User.current.logged?
+      @available_filters["watcher_id"] = { :type => :list, :order => 15, :values => [["<< #{l(:label_me)} >>", "me"]] }
+    end
   
     if project
       # project specific filters
@@ -288,31 +292,34 @@ class Query < ActiveRecord::Base
       next if field == "subproject_id"
       v = values_for(field).clone
       next unless v and !v.empty?
-            
+      operator = operator_for(field)
+      
+      # "me" value subsitution
+      if %w(assigned_to_id author_id watcher_id).include?(field)
+        v.push(User.current.logged? ? User.current.id.to_s : "0") if v.delete("me")
+      end
+      
       sql = ''
-      is_custom_filter = false
       if field =~ /^cf_(\d+)$/
         # custom field
         db_table = CustomValue.table_name
         db_field = 'value'
         is_custom_filter = true
         sql << "#{Issue.table_name}.id IN (SELECT #{Issue.table_name}.id FROM #{Issue.table_name} LEFT OUTER JOIN #{db_table} ON #{db_table}.customized_type='Issue' AND #{db_table}.customized_id=#{Issue.table_name}.id AND #{db_table}.custom_field_id=#{$1} WHERE "
+        sql << sql_for_field(field, operator, v, db_table, db_field, true) + ')'
+      elsif field == 'watcher_id'
+        db_table = Watcher.table_name
+        db_field = 'user_id'
+        sql << "#{Issue.table_name}.id #{ operator == '=' ? 'IN' : 'NOT IN' } (SELECT #{db_table}.watchable_id FROM #{db_table} WHERE #{db_table}.watchable_type='Issue' AND "
+        sql << sql_for_field(field, '=', v, db_table, db_field) + ')'
       else
         # regular field
         db_table = Issue.table_name
         db_field = field
-        sql << '('
+        sql << '(' + sql_for_field(field, operator, v, db_table, db_field) + ')'
       end
-      
-      # "me" value subsitution
-      if %w(assigned_to_id author_id).include?(field)
-        v.push(User.current.logged? ? User.current.id.to_s : "0") if v.delete("me")
-      end
-      
-      sql = sql + sql_for_field(field, v, db_table, db_field, is_custom_filter)
-      
-      sql << ')'
       filters_clauses << sql
+      
     end if filters and valid?
     
     (filters_clauses << project_statement).join(' AND ')
@@ -320,10 +327,10 @@ class Query < ActiveRecord::Base
   
   private
   
-  # Helper method to generate the WHERE sql for a +field+ with a +value+
-  def sql_for_field(field, value, db_table, db_field, is_custom_filter)
+  # Helper method to generate the WHERE sql for a +field+, +operator+ and a +value+
+  def sql_for_field(field, operator, value, db_table, db_field, is_custom_filter=false)
     sql = ''
-    case operator_for field
+    case operator
     when "="
       sql = "#{db_table}.#{db_field} IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")"
     when "!"

lang/bg.yml

@@ -706,3 +706,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/ca.yml

@@ -707,3 +707,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/cs.yml

@@ -711,3 +711,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/da.yml

@@ -708,3 +708,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/de.yml

@@ -709,3 +709,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/en.yml

@@ -188,6 +188,7 @@ field_default_value: Default value
 field_comments_sorting: Display comments
 field_parent_title: Parent page
 field_editable: Editable
+field_watcher: Watcher
 
 setting_app_title: Application title
 setting_app_subtitle: Application subtitle

lang/es.yml

@@ -691,3 +691,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/fi.yml

@@ -706,3 +706,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/fr.yml

@@ -188,6 +188,7 @@ field_comments_sorting: Afficher les commentaires
 field_parent_title: Page parent
 field_editable: Modifiable
 field_identity_url: URL OpenID
+field_watcher: Observateur
 
 setting_app_title: Titre de l'application
 setting_app_subtitle: Sous-titre de l'application

lang/gl.yml

@@ -691,3 +691,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/he.yml

@@ -706,3 +706,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/hu.yml

@@ -707,3 +707,4 @@ setting_repository_log_display_limit: Maximum hány revízió jelenjen meg a fá
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/it.yml

@@ -706,3 +706,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/ja.yml

@@ -707,3 +707,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/ko.yml

@@ -706,3 +706,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/lt.yml

@@ -708,3 +708,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/mk.yml

@@ -708,3 +708,4 @@ text_custom_field_possible_values_info: 'One line for each value'
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/nl.yml

@@ -691,3 +691,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/no.yml

@@ -707,3 +707,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/pl.yml

@@ -725,3 +725,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/pt-br.yml

@@ -707,3 +707,4 @@ setting_repository_log_display_limit: Número máximo de revisões exibidas no a
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/pt.yml

@@ -708,3 +708,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/ro.yml

@@ -706,3 +706,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/ru.yml

@@ -741,3 +741,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/sk.yml

@@ -711,3 +711,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/sl.yml

@@ -708,3 +708,4 @@ text_custom_field_possible_values_info: 'One line for each value'
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/sr.yml

@@ -707,3 +707,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/sv.yml

@@ -708,3 +708,4 @@ enumeration_activities: Aktiviteter (tidsuppföljning)
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/th.yml

@@ -709,3 +709,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/tr.yml

@@ -707,3 +707,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/uk.yml

@@ -708,3 +708,4 @@ text_custom_field_possible_values_info: 'One line for each value'
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/vn.yml

@@ -709,3 +709,4 @@ setting_repository_log_display_limit: Maximum number of revisions displayed on f
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/zh-tw.yml

@@ -709,3 +709,4 @@ enumeration_activities: 活動 (時間追蹤)
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

lang/zh.yml

@@ -709,3 +709,4 @@ enumeration_activities: 活动（时间跟踪）
 field_identity_url: OpenID URL
 setting_openid: Allow OpenID login and registration
 label_login_with_open_id_option: or login with OpenID
+field_watcher: Watcher

test/fixtures/watchers.yml

@@ -7,4 +7,8 @@ watchers_002:
   watchable_type: Message
   watchable_id: 1
   user_id: 1
+watchers_003: 
+  watchable_type: Issue
+  watchable_id: 2
+  user_id: 1
   

test/unit/query_test.rb

@@ -18,7 +18,7 @@
 require File.dirname(__FILE__) + '/../test_helper'
 
 class QueryTest < Test::Unit::TestCase
-  fixtures :projects, :enabled_modules, :users, :members, :roles, :trackers, :issue_statuses, :issue_categories, :enumerations, :issues, :custom_fields, :custom_values, :versions, :queries
+  fixtures :projects, :enabled_modules, :users, :members, :roles, :trackers, :issue_statuses, :issue_categories, :enumerations, :issues, :watchers, :custom_fields, :custom_values, :versions, :queries
 
   def test_custom_fields_for_all_projects_should_be_available_in_global_queries
     query = Query.new(:project => nil, :name => '_')
@@ -162,6 +162,26 @@ class QueryTest < Test::Unit::TestCase
     find_issues_with_query(query)
   end
   
+  def test_filter_watched_issues
+    User.current = User.find(1)
+    query = Query.new(:name => '_', :filters => { 'watcher_id' => {:operator => '=', :values => ['me']}})
+    result = find_issues_with_query(query)
+    assert_not_nil result
+    assert !result.empty?
+    assert_equal Issue.visible.watched_by(User.current).sort_by(&:id), result.sort_by(&:id)
+    User.current = nil
+  end
+  
+  def test_filter_unwatched_issues
+    User.current = User.find(1)
+    query = Query.new(:name => '_', :filters => { 'watcher_id' => {:operator => '!', :values => ['me']}})
+    result = find_issues_with_query(query)
+    assert_not_nil result
+    assert !result.empty?
+    assert_equal((Issue.visible - Issue.watched_by(User.current)).sort_by(&:id).size, result.sort_by(&:id).size)
+    User.current = nil
+  end
+  
   def test_default_columns
     q = Query.new
     assert !q.columns.empty?