jro_apps/redmine Commit - r3358:3d393a5711f6

Memorize commit authors to speed up changesets loading....

Jean-Philippe Lang -

r3358:3d393a5711f6

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r3358:3d393a5711f6

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app/models/repository.rb +10 -3

              # redMine - project management software
              # Copyright (C) 2006-2007  Jean-Philippe Lang
              #
              # This program is free software; you can redistribute it and/or
              # modify it under the terms of the GNU General Public License
              # as published by the Free Software Foundation; either version 2
              # of the License, or (at your option) any later version.
              #
              # This program is distributed in the hope that it will be useful,
              # but WITHOUT ANY WARRANTY; without even the implied warranty of
              # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
              # GNU General Public License for more details.
              #
              # You should have received a copy of the GNU General Public License
              # along with this program; if not, write to the Free Software
              # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
              class Repository < ActiveRecord::Base
                belongs_to :project
                has_many :changesets, :order => "#{Changeset.table_name}.committed_on DESC, #{Changeset.table_name}.id DESC"
                has_many :changes, :through => :changesets
                # Raw SQL to delete changesets and changes in the database
                # has_many :changesets, :dependent => :destroy is too slow for big repositories
                before_destroy :clear_changesets
                # Checks if the SCM is enabled when creating a repository
                validate_on_create { |r| r.errors.add(:type, :invalid) unless Setting.enabled_scm.include?(r.class.name.demodulize) }
                # Removes leading and trailing whitespace
                def url=(arg)
                  write_attribute(:url, arg ? arg.to_s.strip : nil)
                end
                # Removes leading and trailing whitespace
                def root_url=(arg)
                  write_attribute(:root_url, arg ? arg.to_s.strip : nil)
                end
                def scm
                  @scm ||= self.scm_adapter.new url, root_url, login, password
                  update_attribute(:root_url, @scm.root_url) if root_url.blank?
                  @scm
                end
                def scm_name
                  self.class.scm_name
                end
                def supports_cat?
                  scm.supports_cat?
                end
                def supports_annotate?
                  scm.supports_annotate?
                end
                def entry(path=nil, identifier=nil)
                  scm.entry(path, identifier)
                end
                def entries(path=nil, identifier=nil)
                  scm.entries(path, identifier)
                end
                def branches
                  scm.branches
                end
                def tags
                  scm.tags
                end
                def default_branch
                  scm.default_branch
                end
                def properties(path, identifier=nil)
                  scm.properties(path, identifier)
                end
                def cat(path, identifier=nil)
                  scm.cat(path, identifier)
                end
                def diff(path, rev, rev_to)
                  scm.diff(path, rev, rev_to)
                end
                # Returns a path relative to the url of the repository
                def relative_path(path)
                  path
                end
                # Finds and returns a revision with a number or the beginning of a hash
                def find_changeset_by_name(name)
                  changesets.find(:first, :conditions => (name.match(/^\d*$/) ? ["revision = ?", name.to_s] : ["revision LIKE ?", name + '%']))
                end
                def latest_changeset
                  @latest_changeset ||= changesets.find(:first)
                end
                # Returns the latest changesets for +path+
                # Default behaviour is to search in cached changesets
                def latest_changesets(path, rev, limit=10)
                  if path.blank?
                    changesets.find(:all, :include => :user,
                                          :order => "#{Changeset.table_name}.committed_on DESC, #{Changeset.table_name}.id DESC",
                                          :limit => limit)
                  else
                    changes.find(:all, :include => {:changeset => :user},
                                       :conditions => ["path = ?", path.with_leading_slash],
                                       :order => "#{Changeset.table_name}.committed_on DESC, #{Changeset.table_name}.id DESC",
                                       :limit => limit).collect(&:changeset)
                  end
                end
                def scan_changesets_for_issue_ids
                  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
+                   @found_committer_users = 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
+                 unless committer.blank?
+                   @found_committer_users ||= {}
+                   return @found_committer_users[committer] if @found_committer_users.has_key?(committer)
+                   user = nil
                    c = changesets.find(:first, :conditions => {:committer => committer}, :include => :user)
                    if c && c.user
-                     c.user
+                     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
+                     user = u
                    end
+                   @found_committer_users[committer] = user
+                   user
                  end
                end
                # Fetches new changesets for all repositories of active projects
                # Can be called periodically by an external script
                # eg. ruby script/runner "Repository.fetch_changesets"
                def self.fetch_changesets
                  Project.active.has_module(:repository).find(:all, :include => :repository).each do |project|
                    if project.repository
                      project.repository.fetch_changesets
                    end
                  end
                end
                # scan changeset comments to find related and fixed issues for all repositories
                def self.scan_changesets_for_issue_ids
                  find(:all).each(&:scan_changesets_for_issue_ids)
                end
                def self.scm_name
                  'Abstract'
                end
                def self.available_scm
                  subclasses.collect {|klass| [klass.scm_name, klass.name]}
                end
                def self.factory(klass_name, *args)
                  klass = "Repository::#{klass_name}".constantize
                  klass.new(*args)
                rescue
                  nil
                end
                private
                def before_save
                  # Strips url and root_url
                  url.strip!
                  root_url.strip!
                  true
                end
                def clear_changesets
                  cs, ch, ci = Changeset.table_name, Change.table_name, "#{table_name_prefix}changesets_issues#{table_name_suffix}"
                  connection.delete("DELETE FROM #{ch} WHERE #{ch}.changeset_id IN (SELECT #{cs}.id FROM #{cs} WHERE #{cs}.repository_id = #{id})")
                  connection.delete("DELETE FROM #{ci} WHERE #{ci}.changeset_id IN (SELECT #{cs}.id FROM #{cs} WHERE #{cs}.repository_id = #{id})")
                  connection.delete("DELETE FROM #{cs} WHERE #{cs}.repository_id = #{id}")
                end
              end

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