Remove unecesarry array operations.

app/helpers/diff_helper.rb

@@ -36,7 +36,10 @@ module DiffHelper
     # Building array of lines
     #
-    # [left_type, left_line_number, left_line_content, line_code, right_line_type, right_line_number, right_line_content]
+    # [
+    # left_type, left_line_number, left_line_content, left_line_code,
+    # right_line_type, right_line_number, right_line_content, right_line_code
+    # ]
     #
     diff_file.diff_lines.each do |line|
@@ -54,23 +57,20 @@ module DiffHelper
         next_line = next_line.text
       end
-      line = [type, line_old, full_line, line_code, next_line_code, next_type, line_new]
-
       if type == 'match' || type.nil?
         # line in the right panel is the same as in the left one
-        line = [type, line_old, full_line, line_code, line_code, type, line_new, full_line]
+        line = [type, line_old, full_line, line_code, type, line_new, full_line, line_code]
         lines.push(line)
       elsif type == 'old'
         if next_type == 'new'
           # Left side has text removed, right side has text added
-          line.push(next_line)
+          line = [type, line_old, full_line, line_code, next_type, line_new, next_line, next_line_code]
           lines.push(line)
           skip_next = true
         elsif next_type == 'old' || next_type.nil?
           # Left side has text removed, right side doesn't have any change
-          line.pop # remove the newline
-          line.push(nil) # no line number on the right panel
-          line.push(" ") # empty line on the right panel
+          # No next line code, no new line number, no new line text
+          line = [type, line_old, full_line, line_code, next_type, nil, " ", nil]
           lines.push(line)
         end
       elsif type == 'new'
@@ -80,7 +80,7 @@ module DiffHelper
           next
         else
           # Change is only on the right side, left side has no change
-          line = [nil, nil, " ", line_code, line_code, type, line_new, full_line]
+          line = [nil, nil, " ", line_code, type, line_new, full_line, line_code]
           lines.push(line)
         end
       end

app/views/projects/diffs/_parallel_view.html.haml

@@ -6,10 +6,10 @@
       - line_number_left = line[1]
       - line_content_left = line[2]
       - line_code = line[3]
-      - line_code_next = line[4]
-      - type_right = line[5]
-      - line_number_right = line[6]
-      - line_content_right = line[7]
+      - type_right = line[4]
+      - line_number_right = line[5]
+      - line_content_right = line[6]
+      - line_code_right = line[7]
       %tr.line_holder.parallel
         - if type_left == 'match'
@@ -22,7 +22,7 @@
           - if type_right == 'new'
             - new_line_class = 'new'
-            - new_line_code = line_code_next
+            - new_line_code = line_code_right
           - else
             - new_line_class = nil
             - new_line_code = line_code
@@ -37,7 +37,7 @@
         - else
           - comments1 = line_comments[line_code]
         - unless type_left.nil? && type_right.nil?
-          - comments2 = line_comments[line_code_next]
+          - comments2 = line_comments[line_code_right]
         - if comments1.present? || comments2.present?
           = render "projects/notes/diff_notes_with_reply_parallel", notes1: comments1, notes2: comments2

app/views/projects/notes/_diff_notes_with_reply_parallel.html.haml

 - note1 = notes1.present? ? notes1.first : nil
 - note2 = notes2.present? ? notes2.first : nil
--# Check if line want not changed since comment was left
-/- if !defined?(line) || line == note.diff_line
+
 %tr.notes_holder
   - if note1
     %td.notes_line