Split commit_id and noteable_id for Note

app/models/merge_request.rb

@@ -204,7 +204,7 @@ class MergeRequest < ActiveRecord::Base
 
   def mr_and_commit_notes
     commit_ids = commits.map(&:id)
-    Note.where("(noteable_type = 'MergeRequest' AND noteable_id = :mr_id) OR (noteable_type = 'Commit' AND noteable_id IN (:commit_ids))", mr_id: id, commit_ids: commit_ids)
+    Note.where("(noteable_type = 'MergeRequest' AND noteable_id = :mr_id) OR (noteable_type = 'Commit' AND commit_id IN (:commit_ids))", mr_id: id, commit_ids: commit_ids)
   end
 
   # Returns the raw diff for this merge request

app/models/note.rb

@@ -20,7 +20,7 @@ require 'file_size_validator'
 class Note < ActiveRecord::Base
 
   attr_accessible :note, :noteable, :noteable_id, :noteable_type, :project_id,
-                  :attachment, :line_code
+                  :attachment, :line_code, :commit_id
 
   attr_accessor :notify
   attr_accessor :notify_author
@@ -35,10 +35,14 @@ class Note < ActiveRecord::Base
   validates :note, :project, presence: true
   validates :attachment, file_size: { maximum: 10.megabytes.to_i }
 
+  validates :noteable_id, presence: true, if: ->(n) { n.noteable_type.present? && n.noteable_type != 'Commit' }
+  validates :commit_id, presence: true, if: ->(n) { n.noteable_type == 'Commit' }
+
   mount_uploader :attachment, AttachmentUploader
 
   # Scopes
-  scope :common, ->{ where(noteable_id: nil) }
+  scope :for_commits, ->{ where(noteable_type: "Commit") }
+  scope :common, ->{ where(noteable_id: nil, commit_id: nil) }
   scope :today, ->{ where("created_at >= :date", date: Date.today) }
   scope :last_week, ->{ where("created_at  >= :date", date: (Date.today - 7.days)) }
   scope :since, ->(day) { where("created_at  >= :date", date: (day)) }
@@ -66,7 +70,7 @@ class Note < ActiveRecord::Base
   # override to return commits, which are not active record
   def noteable
     if for_commit?
-      project.commit(noteable_id)
+      project.commit(commit_id)
     else
       super
     end

app/models/project.rb

@@ -203,15 +203,15 @@ class Project < ActiveRecord::Base
   end
 
   def build_commit_note(commit)
-    notes.new(noteable_id: commit.id, noteable_type: "Commit")
+    notes.new(commit_id: commit.id, noteable_type: "Commit")
   end
 
   def commit_notes(commit)
-    notes.where(noteable_id: commit.id, noteable_type: "Commit", line_code: nil)
+    notes.where(commit_id: commit.id, noteable_type: "Commit", line_code: nil)
   end
 
   def commit_line_notes(commit)
-    notes.where(noteable_id: commit.id, noteable_type: "Commit").where("line_code IS NOT NULL")
+    notes.where(commit_id: commit.id, noteable_type: "Commit").where("line_code IS NOT NULL")
   end
 
   def public?

app/roles/note_event.rb

@@ -1,6 +1,6 @@
 module NoteEvent
   def note_commit_id
-    target.noteable_id
+    target.commit_id
   end
 
   def note_short_commit_id
@@ -16,7 +16,11 @@ module NoteEvent
   end
 
   def note_target_id
-    target.noteable_id
+    if note_commit?
+      target.commit_id
+    else
+      target.noteable_id.to_s
+    end
   end
 
   def wall_note?

app/views/notes/_common_form.html.haml

@@ -7,6 +7,7 @@
           %div= msg
 
     = f.hidden_field :noteable_id
+    = f.hidden_field :commit_id
     = f.hidden_field :noteable_type
     = f.text_area :note, size: 255, class: 'note-text js-gfm-input'
     #preview-note.preview_note.hide

app/views/notes/_per_line_form.html.haml

@@ -11,6 +11,7 @@
                   %div= msg
 
             = f.hidden_field :noteable_id
+            = f.hidden_field :commit_id
             = f.hidden_field :noteable_type
             = f.hidden_field :line_code
             = f.text_area :note,  size: 255, class: 'line-note-text js-gfm-input'