Maps repository users to Redmine users (#1383).

Users with same username or email are automatically mapped. Mapping can be manually adjusted in repository settings. Multiple usernames can be mapped to the same Redmine user.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2006 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/repository.rb

@@ -96,6 +96,45 @@ class Repository < ActiveRecord::Base
     self.changesets.each(&:scan_comment_for_issue_ids)
   end
   
+  # Returns an array of committers usernames and associated user_id
+  def committers
+    @committers ||= Changeset.connection.select_rows("SELECT DISTINCT committer, user_id FROM #{Changeset.table_name} WHERE repository_id = #{id}")
+  end
+  
+  # Maps committers username to a user ids
+  def committer_ids=(h)
+    if h.is_a?(Hash)
+      committers.each do |committer, user_id|
+        new_user_id = h[committer]
+        if new_user_id && (new_user_id.to_i != user_id.to_i)
+          new_user_id = (new_user_id.to_i > 0 ? new_user_id.to_i : nil)
+          Changeset.update_all("user_id = #{ new_user_id.nil? ? 'NULL' : new_user_id }", ["repository_id = ? AND committer = ?", id, committer])
+        end
+      end
+      @committers = nil
+      true
+    else
+      false
+    end
+  end
+  
+  # Returns the Redmine User corresponding to the given +committer+
+  # It will return nil if the committer is not yet mapped and if no User
+  # with the same username or email was found
+  def find_committer_user(committer)
+    if committer
+      c = changesets.find(:first, :conditions => {:committer => committer}, :include => :user)
+      if c && c.user
+        c.user
+      elsif committer.strip =~ /^([^<]+)(<(.*)>)?$/
+        username, email = $1.strip, $3
+        u = User.find_by_login(username)
+        u ||= User.find_by_mail(email) unless email.blank?
+        u
+      end
+    end
+  end
+  
   # fetch new changesets for all repositories
   # can be called periodically by an external script
   # eg. ruby script/runner "Repository.fetch_changesets"