Merge branch 'abuse-autofill-message' into 'master'

Autofill abuse message text with user url. Closes #2838

See merge request !2396

CHANGELOG

@@ -57,6 +57,7 @@ v 8.4.0 (unreleased)
   - Autosize Markdown textareas
   - Import GitHub wiki into GitLab
   - Add reporters ability to download and browse build artifacts (Andrew Johnson)
+  - Autofill referring url in message box when reporting user abuse. (Josh Frye)
 v 8.3.4
   - Use gitlab-workhorse 0.5.4 (fixes API routing bug)

app/controllers/abuse_reports_controller.rb

@@ -2,6 +2,7 @@ class AbuseReportsController < ApplicationController
   def new
     @abuse_report = AbuseReport.new
     @abuse_report.user_id = params[:user_id]
+    @ref_url = params.fetch(:ref_url, '')
   end
   def create

app/views/abuse_reports/new.html.haml

@@ -16,7 +16,7 @@
   .form-group
     = f.label :message, class: 'control-label'
     .col-sm-10
-      = f.text_area :message, class: "form-control js-quick-submit", rows: 2, required: true
+      = f.text_area :message, class: "form-control js-quick-submit", rows: 2, required: true, value: sanitize(@ref_url)
       .help-block
         Explain the problem with this user. If appropriate, provide a link to the relevant issue or comment.

app/views/users/show.html.haml

@@ -20,7 +20,7 @@
             data: { toggle: 'tooltip', placement: 'left', container: 'body' }}
             = icon('exclamation-circle')
         - else
-          = link_to new_abuse_report_path(user_id: @user.id), class: 'btn btn-gray',
+          = link_to new_abuse_report_path(user_id: @user.id, ref_url: request.referrer), class: 'btn btn-gray',
             title: 'Report abuse', data: {toggle: 'tooltip', placement: 'left', container: 'body'} do
             = icon('exclamation-circle')
     - if current_user