Replaces find(:first) calls.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10928 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/document.rb

@@ -23,7 +23,7 @@ class Document < ActiveRecord::Base
 
   acts_as_searchable :columns => ['title', "#{table_name}.description"], :include => :project
   acts_as_event :title => Proc.new {|o| "#{l(:label_document)}: #{o.title}"},
-                :author => Proc.new {|o| (a = o.attachments.find(:first, :order => "#{Attachment.table_name}.created_on ASC")) ? a.author : nil },
+                :author => Proc.new {|o| o.attachments.reorder("#{Attachment.table_name}.created_on ASC").first.try(:author) },
                 :url => Proc.new {|o| {:controller => 'documents', :action => 'show', :id => o.id}}
   acts_as_activity_provider :find_options => {:include => :project}
 

app/models/mail_handler.rb

@@ -355,7 +355,7 @@ class MailHandler < ActionMailer::Base
     }.delete_if {|k, v| v.blank? }
 
     if issue.new_record? && attrs['tracker_id'].nil?
-      attrs['tracker_id'] = issue.project.trackers.find(:first).try(:id)
+      attrs['tracker_id'] = issue.project.trackers.first.try(:id)
     end
 
     attrs

app/models/project.rb

@@ -308,9 +308,12 @@ class Project < ActiveRecord::Base
     # Check that there is no issue of a non descendant project that is assigned
     # to one of the project or descendant versions
     v_ids = self_and_descendants.collect {|p| p.version_ids}.flatten
-    if v_ids.any? && Issue.find(:first, :include => :project,
-                                        :conditions => ["(#{Project.table_name}.lft < ? OR #{Project.table_name}.rgt > ?)" +
-                                                        " AND #{Issue.table_name}.fixed_version_id IN (?)", lft, rgt, v_ids])
+    if v_ids.any? &&
+      Issue.
+        includes(:project).
+        where("#{Project.table_name}.lft < ? OR #{Project.table_name}.rgt > ?", lft, rgt).
+        where("#{Issue.table_name}.fixed_version_id IN (?)", v_ids).
+        exists?
       return false
     end
     Project.transaction do
@@ -655,7 +658,7 @@ class Project < ActiveRecord::Base
 
   # Returns an auto-generated project identifier based on the last identifier used
   def self.next_identifier
-    p = Project.find(:first, :order => 'created_on DESC')
+    p = Project.order('created_on DESC').first
     p.nil? ? nil : p.identifier.to_s.succ
   end
 

app/models/repository.rb

@@ -234,12 +234,15 @@ class Repository < ActiveRecord::Base
   def find_changeset_by_name(name)
     return nil if name.blank?
     s = name.to_s
-    changesets.find(:first, :conditions => (s.match(/^\d*$/) ?
-          ["revision = ?", s] : ["revision LIKE ?", s + '%']))
+    if s.match(/^\d*$/)
+      changesets.where("revision = ?", s).first
+    else
+      changesets.where("revision LIKE ?", s + '%').first
+    end
   end
 
   def latest_changeset
-    @latest_changeset ||= changesets.find(:first)
+    @latest_changeset ||= changesets.first
   end
 
   # Returns the latest changesets for +path+
@@ -301,7 +304,7 @@ class Repository < ActiveRecord::Base
       return @found_committer_users[committer] if @found_committer_users.has_key?(committer)
 
       user = nil
-      c = changesets.find(:first, :conditions => {:committer => committer}, :include => :user)
+      c = changesets.where(:committer => committer).includes(:user).first
       if c && c.user
         user = c.user
       elsif committer.strip =~ /^([^<]+)(<(.*)>)?$/

app/models/user.rb

@@ -686,7 +686,7 @@ class AnonymousUser < User
 
   def validate_anonymous_uniqueness
     # There should be only one AnonymousUser in the database
-    errors.add :base, 'An anonymous user already exists.' if AnonymousUser.find(:first)
+    errors.add :base, 'An anonymous user already exists.' if AnonymousUser.exists?
   end
 
   def available_custom_fields