Add AttachmentsCopier concern

CHANGELOG

@@ -1,4 +1,5 @@
 [v#.#.#] ([month] [YYYY])
+  - Attachments: Copy attachments when moving an evidence/note
   - Liquid: Make project-level collections available for Liquid syntax
   - Upgraded gems: nokogiri, rails, rexml
   - Bugs fixes:

app/controllers/concerns/attachments_copier.rb

@@ -0,0 +1,20 @@
+module AttachmentsCopier
+  def copy_attachments(record)
+    record.content.scan(Attachment::SCREENSHOT_REGEX).each do |screenshot_path|
+      full_screenshot_path, _, _, _, project_id, node_id, filename, _ = screenshot_path
+
+      attachment = Attachment.find_by(filename: CGI::unescape(filename), node_id: record.node_id_was)
+
+      if attachment
+        new_attachment = attachment.copy_to(record.node)
+        new_filename = ERB::Util.url_encode(new_attachment.filename)
+        new_path = full_screenshot_path.gsub(
+          /nodes\/[0-9]+\/attachments\/.+/,
+          "nodes/#{new_attachment.node_id}/attachments/#{new_filename}"
+        )
+
+        record.content = record.content.gsub(full_screenshot_path, new_path)
+      end
+    end
+  end
+end

app/controllers/evidence_controller.rb

@@ -1,4 +1,5 @@
 class EvidenceController < NestedNodeResourceController
+  include AttachmentsCopier
   include ConflictResolver
   include EvidenceHelper
   include LiquidEnabledResource
@@ -55,6 +56,8 @@ def update
       @evidence.assign_attributes(evidence_params)
       autogenerate_issue if evidence_params[:issue_id].blank?
 
+      copy_attachments(@evidence) if @evidence.node_changed?
+
       if @evidence.save
         track_updated(@evidence)
         check_for_edit_conflicts(@evidence, updated_at_before_save)

app/controllers/notes_controller.rb

@@ -1,6 +1,7 @@
 # This controller exposes the REST operations required to manage the Note
 # resource.
 class NotesController < NestedNodeResourceController
+  include AttachmentsCopier
   include ConflictResolver
   include LiquidEnabledResource
   include Mentioned
@@ -44,7 +45,11 @@ def edit
   # Update the attributes of a Note
   def update
     updated_at_before_save = @note.updated_at.to_i
-    if @note.update(note_params)
+
+    @note.assign_attributes(note_params)
+    copy_attachments(@note) if @note.node_changed?
+
+    if @note.save
       track_updated(@note)
       check_for_edit_conflicts(@note, updated_at_before_save)
       # if the note has just been moved to another node, we must reload

app/models/attachment.rb

@@ -14,7 +14,6 @@
 **
 =end
 
-
 # ==Description
 # This class in an abstraction layer to the <tt>attachments/</tt> folder. It allows
 # access to the folder content in a way that mimics the working of ActiveRecord
@@ -66,6 +65,8 @@ class Attachment < File
   AttachmentPwd = Rails.env.test? ? Rails.root.join('tmp', 'attachments') : Rails.root.join('attachments')
   FileUtils.mkdir_p(AttachmentPwd) unless File.exists?(AttachmentPwd)
 
+  SCREENSHOT_REGEX = /\!((https?:\/\/.+)|((\/pro)?\/projects\/(\d+)\/nodes\/(\d+)\/attachments\/(.+?)(\(.*\))?))\!/i
+
   # -- Class Methods  ---------------------------------------------------------
 
   def self.all(*args)
@@ -81,7 +82,7 @@ def self.count
   end
 
   def self.find_by(filename:, node_id:)
-    find(filename, conditions: { node_id: node_id } )
+    find(filename, conditions: { node_id: node_id })
   rescue StandardError
   end
 
@@ -91,17 +92,17 @@ def self.find(*args)
     dir = Dir.new(pwd)
 
     # makes the find request and stores it to resources
-    return_value = case args.first
+    case args.first
     when :all, :first, :last
       attachments = []
       if options[:conditions] && options[:conditions][:node_id]
         node_id = options[:conditions][:node_id].to_s
         raise "Node with ID=#{node_id} does not exist" unless Node.exists?(node_id)
-        if (File.exist?( File.join(pwd, node_id)))
+        if (File.exist?(File.join(pwd, node_id)))
           node_dir = Dir.new(pwd.join(node_id)).sort
           node_dir.each do |attachment|
             next unless (attachment =~ /^(.+)$/) == 0 && !File.directory?(pwd.join(node_id, attachment))
-            attachments << Attachment.new(:filename => $1, :node_id => node_id.to_i)
+            attachments << Attachment.new(filename: $1, node_id: node_id.to_i)
           end
         end
       else
@@ -110,7 +111,7 @@ def self.find(*args)
           node_dir = Dir.new(pwd.join(node)).sort
           node_dir.each do |attachment|
             next unless (attachment =~ /^(.+)$/) == 0 && !File.directory?(pwd.join(node, attachment))
-            attachments << Attachment.new(:filename => $1, :node_id => node.to_i)
+            attachments << Attachment.new(filename: $1, node_id: node.to_i)
           end
         end
         attachments.sort_by!(&:filename)
@@ -129,18 +130,17 @@ def self.find(*args)
       # in this routine we find the attachment by file name and node id
       filename = args.first
       attachments = []
-      raise "You need to supply a node id in the condition parameter" unless options[:conditions] && options[:conditions][:node_id]
+      raise 'You need to supply a node id in the condition parameter' unless options[:conditions] && options[:conditions][:node_id]
       node_id = options[:conditions][:node_id].to_s
       raise "Node with ID=#{node_id} does not exist" unless Node.exists?(node_id)
       node_dir = Dir.new(pwd.join(node_id)).sort
       node_dir.each do |attachment|
         next unless ((attachment =~ /^(.+)$/) == 0 && $1 == filename)
-        attachments << Attachment.new(:filename => $1, :node_id => node_id.to_i)
+        attachments << Attachment.new(filename: $1, node_id: node_id.to_i)
       end
       raise "Could not find Attachment with filename #{filename}" if attachments.empty?
       attachments.first
     end
-    return return_value
   end
 
   def self.model_name

spec/features/evidence_moving_spec.rb

@@ -29,10 +29,17 @@ def create_node(label, parent = nil)
     click_move_evidence
   end
 
-  let(:current_evidence) { @evidence = create(:evidence, node: @node_5) }
+  let(:content) { "#[Description]#\nTest Evidence\n" }
+  let(:current_evidence) { @evidence = create(:evidence, content: content, node: @node_5) }
 
   describe 'moving an evidence to a different node' do
+    let(:attachment) { create(:attachment, filename: 'name with spaces.png', node: @node_5) }
+    let(:content) { "#[Description]#\n!/projects/#{current_project.id}/nodes/#{@node_5.id}/attachments/#{attachment.filename}!\n" }
+
     before do
+      # Ensure this works with duplicated attachment
+      create(:attachment, filename: 'name with spaces.png', node: @node_1)
+
       within('#modal_move_evidence') do
         click_link @node_1.label
         click_submit
@@ -46,6 +53,10 @@ def create_node(label, parent = nil)
     it 'should redirect to evidence show path' do
       expect(current_path).to eq(project_node_evidence_path(current_project, @node_1, current_evidence))
     end
+
+    it 'should update the attachment reference to the new node' do
+      expect(current_evidence.reload.content).to include("nodes/#{@node_1.id}")
+    end
   end
 
   describe 'moving a evidence to a similar node', js: true do

spec/features/note_moving_spec.rb

@@ -30,10 +30,17 @@ def create_node(label, parent = nil)
     click_move_note
   end
 
-  let(:current_note) { @note = create(:note, node: @node_5) }
+  let(:text) { "#[Description]#\nTest Note\n" }
+  let(:current_note) { @note = create(:note, text: text, node: @node_5) }
 
   describe 'moving a note to a different node' do
+    let(:attachment) { create(:attachment, filename: 'name with spaces.png', node: @node_5) }
+    let(:text) { "#[Description]#\n!/projects/#{current_project.id}/nodes/#{@node_5.id}/attachments/#{attachment.filename}!\n" }
+
     before do
+      # Ensure this works with duplicated attachment
+      create(:attachment, filename: 'name with spaces.png', node: @node_1)
+
       within('#modal_move_note') do
         click_link @node_1.label
         click_submit
@@ -47,6 +54,10 @@ def create_node(label, parent = nil)
     it 'should redirect to note show path' do
       expect(current_path).to eq(project_node_note_path(current_project, @node_1, current_note))
     end
+
+    it 'should update the attachment reference to the new node' do
+      expect(current_note.reload.content).to include("nodes/#{@node_1.id}")
+    end
   end
 
   describe 'moving a note to a similar node' do