Allow sending private mod messages

Author: luap42

app/controllers/users_controller.rb

@@ -11,14 +11,15 @@ class UsersController < ApplicationController
   before_action :verify_moderator, only: [:mod, :destroy, :soft_delete, :role_toggle, :full_log,
                                           :annotate, :annotations, :mod_privileges,
                                           :mod_privilege_action, :mod_delete, :mod_reset_profile,
-                                          :mod_clear_profile, :mod_escalation, :mod_escalate]
+                                          :mod_clear_profile, :mod_escalation, :mod_escalate,
+                                          :mod_contact, :mod_message]
   before_action :verify_global_moderator, only: [:mod_destroy]
   before_action :set_user, only: [:show, :mod, :destroy, :soft_delete, :posts, :role_toggle,
                                   :full_log, :activity,
                                   :annotate, :annotations, :mod_privileges, :mod_privilege_action,
                                   :vote_summary, :avatar, :mod_delete, :mod_destroy,
                                   :mod_reset_profile, :mod_clear_profile, :mod_escalation,
-                                  :mod_escalate]
+                                  :mod_escalate, :mod_contact, :mod_message]
   before_action :check_deleted, only: [:show, :posts, :activity]
 
   def index
@@ -157,6 +158,38 @@ def mod_escalate
     redirect_to mod_user_path(@user)
   end
 
+  def mod_contact
+    render layout: 'without_sidebar'
+  end
+
+  def mod_message
+    title = params[:title]
+    unless title.present?
+      title = "Private Moderator Message"
+    end
+
+    body = params[:body]
+
+    @comment_thread = CommentThread.new(title: title, post: nil, is_private: true)
+    @comment = Comment.new(post: nil, content: body, user: current_user, comment_thread: @comment_thread)
+
+    success = ActiveRecord::Base.transaction do
+      @comment_thread.save!
+      @comment.save!
+      ThreadFollower.create! comment_thread: @comment_thread, user: @user
+    end
+
+    if success
+      @user.create_notification("You have received a moderator message: #{@comment_thread.title}",
+                                helpers.comment_link(@comment))
+      redirect_to comment_thread_path(@comment_thread.id)
+    else
+      flash[:danger] = "Could not create comment thread: #{(@comment_thread.errors.full_messages \
+                                                           + @comment.errors.full_messages).join(', ')}"
+      render :mod_contact, layout: 'without_sidebar'
+    end
+  end
+
   def full_log
     @posts = Post.where(user: @user).count
     @comments = Comment.where(user: @user).count

app/models/comment_thread.rb

@@ -39,7 +39,7 @@ def can_access?(user)
   # automatically followed on new answer comment threads. Comment author follower creation is done
   # on the Comment model.
   def create_follower
-    if post.user.preference('auto_follow_comment_threads') == 'true'
+    if post.present? && post.user.preference('auto_follow_comment_threads') == 'true'
       ThreadFollower.create comment_thread: self, user: post.user
     end
   end

app/views/comments/_comment.html.erb

@@ -31,7 +31,7 @@
       </div>
     <% end %>
     <div class="comment--info">
-      <% if @comment_thread.is_private %>
+      <% if comment.comment_thread.is_private %>
         <% if comment.user == current_user || current_user.is_moderator || !comment.user.is_moderator %>
           <%= user_link comment.user %>
           <% if comment.user.is_moderator %>(visible only to you)<% end %>
@@ -48,10 +48,10 @@
       <%= link_to comment_link(comment), class: 'js-comment-permalink' do %>
         <span class="js-text">copy link</span>
       <% end %>
-      <% if with_post_link %>
+      <% if with_post_link && comment.post.present? %>
         <%= link_to 'post', generic_share_link(comment.post) %>
       <% end %>
-      <% if user_signed_in? && !@comment_thread.is_private && (comment.user == current_user || current_user.is_moderator) && params[:inline] != 'true' %>
+      <% if user_signed_in? && !comment.comment_thread.is_private && (comment.user == current_user || current_user.is_moderator) && params[:inline] != 'true' %>
         <a href="#" class="js-comment-edit">edit</a>
         <% if comment.deleted %>
           <a href="#" class="is-red js-comment-undelete">undelete</a>

app/views/mod_warning/new.html.erb

@@ -13,7 +13,7 @@
     <h1>Warn or Suspend User</h1>
 
     <div class="notice is-warning">
-        <p>Use the warning tool only against users who have violated the site rules. Prefer other measurements, such as friendly asking the user to stop certain behaviors in a comment.</p>
+        <p>Use the warning tool only against users who have violated the site rules. Prefer other measurements, such as friendly asking the user to stop certain behaviors in a comment or <%= link_to 'contacting them privately', mod_contact_path(@user) %>.</p>
     </div>
 
     <%= form_for @warning, url: create_mod_warning_path(@user.id), method: :post do |f| %>

app/views/shared/_user_mod_sidebar.html.erb

@@ -40,6 +40,11 @@
                 <% end %>
 
                 <div class="menu--heading">Warnings and Suspensions</div>
+                <%= link_to mod_contact_path(user),
+                            class: "menu--item #{current_page?(mod_contact_path(user)) ? 'is-active' : ''}" do %>
+                    <i class="fas fa-envelope fa-fw"></i>
+                    Contact Privately
+                <% end %>
                 <%= link_to mod_warning_log_path(user),
                             class: "menu--item #{current_page?(mod_warning_log_path(user)) ? 'is-active' : ''}" do %>
                     <i class="fas fa-user-lock fa-fw"></i>

app/views/users/mod_contact.html.erb

@@ -0,0 +1,41 @@
+<% content_for :head do %>
+  <%= render 'posts/markdown_script' %>
+<% end %>
+
+<% content_for :title, "Moderator Tools: #{rtl_safe_username(@user)}" %>
+
+<%= render 'users/tabs', user: @user %>
+
+<div class="grid">
+  <%= render 'shared/user_mod_sidebar', user: @user %>
+
+  <div class="grid--cell is-9">
+    <h1>Contact Privately</h1>
+
+    <p>As a moderator, you may contact users privately. If, however, means of public and private contact have not been effective, a <%= link_to 'formal warning', new_mod_warning_path(@user) %> might be in order.</p>
+
+    <p>These messages will only be visible to the contacted user and to the moderation team. Your user name will be hidden for the contacted user; we generally recommend not identifying yourself.</p>
+
+    <%= form_tag mod_message_path do %>
+      <%= label_tag :title, 'Subject', class: 'form-element' %>
+      <%= text_field_tag :title, '', class: 'form-element', data: { character_count: ".js-character-count-thread-title" } %>
+
+      <span class="has-float-right has-font-size-caption js-character-count-thread-title"
+            data-max="255" data-min="0" data-display-at="0.75">
+        <i class="fas fa-ellipsis-h js-character-count__icon"></i>
+        <span class="js-character-count__count">0 / 255</span>
+      </span>
+      
+      <%= label_tag :body, 'Message', class: 'form-element' %>
+      <%= text_area_tag :body, '', class: 'form-element is-large js-comment-field', required: true,
+                        data: { thread: '-1', character_count: ".js-character-count-modmsg-body" } %>
+      <span class="has-float-right has-font-size-caption js-character-count-modmsg-body"
+            data-max="1000" data-min="15">
+        <i class="fas fa-ellipsis-h js-character-count__icon"></i>
+        <span class="js-character-count__count">0 / 1000</span>
+      </span>
+
+      <%= submit_tag 'Create thread', class: 'button is-filled', id: "create_modmsg_button", disabled: true %>
+    <% end %>
+  </div>
+</div>

config/routes.rb

@@ -197,6 +197,8 @@
     get    '/:id/avatar/:size',         to: 'users#avatar', as: :user_auto_avatar
     get    '/:id/mod/escalate',         to: 'users#mod_escalation', as: :user_escalation
     post   '/:id/mod/escalate',         to: 'users#mod_escalate', as: :user_escalate
+    get    '/:id/mod/contact',          to: 'users#mod_contact', as: :mod_contact
+    post   '/:id/mod/contact',          to: 'users#mod_message', as: :mod_message
   end
 
   post   'notifications/:id/read',         to: 'notifications#read', as: :read_notifications