Class: CommentsController

Inherits:
ApplicationController show all
Defined in:
/var/apps/qpixel/app/controllers/comments_controller.rb

Overview

rubocop:disable Metrics/ClassLength Provides mainly web actions for using and making comments.

Instance Method Summary collapse

Methods inherited from ApplicationController

#dashboard, #keyboard_tools, #upload

Instance Method Details

#archive_thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 255

def archive_thread
  status = @comment_thread.update(archived: true, archived_by: current_user)
  restrict_thread_response(@comment_thread, status)
end

#create ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 75

def create
  body = params[:content]
  pings = check_for_pings(@comment_thread, body)

  @comment = Comment.new(post: @post, content: body, user: current_user,
                         comment_thread: @comment_thread, has_reference: false)

  status = @comment.save

  if status
    apply_pings(pings)
    @comment_thread.thread_follower.each do |follower|
      next if follower.user.same_as?(current_user)
      next if pings.include? follower.user_id

      thread_url = comment_thread_url(@comment_thread, host: @comment_thread.community.host)
      existing_notification = follower.user.notifications.where(is_read: false)
                                      .where('link LIKE ?', "#{thread_url}%")
      next if existing_notification.exists?

      follower.user.create_notification("There are new comments in a followed thread '#{@comment_thread.title}' " \
                                        "on the post '#{@comment.root.title}'",
                                        helpers.comment_link(@comment))
    end
  else
    flash[:danger] = @comment.errors.full_messages.join(', ')
  end

  if params[:inline] == 'true'
    redirect_to helpers.generic_share_link(@post, comment_id: status ? @comment.id : nil,
                                                  thread_id: @comment_thread.id)
  else
    redirect_to comment_thread_path(@comment_thread.id)
  end
end

#create_thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 32

def create_thread
  title = params[:title]
  unless title.present?
    title = helpers.generate_thread_title(params[:body])
  end

  body = params[:body]

  @comment_thread = CommentThread.new(title: helpers.strip_markdown(title, strip_leading_quote: true), post: @post)
  @comment = Comment.new(post: @post, content: body, user: current_user, comment_thread: @comment_thread)

  pings = check_for_pings(@comment_thread, body)

  success = ActiveRecord::Base.transaction do
    thread_success = @comment_thread.save
    comment_success = @comment.save
    full_success = thread_success && comment_success

    unless full_success
      raise ActiveRecord::Rollback
    end

    full_success
  end

  if success
    notification = "New comment thread on #{@comment.root.title}: #{@comment_thread.title}"

    NewThreadFollower.where(post: @post).each do |ntf|
      unless ntf.user.same_as?(current_user) || pings.include?(ntf.user_id)
        ntf.user.create_notification(notification, helpers.comment_link(@comment))
      end
      ThreadFollower.create(user: ntf.user, comment_thread: @comment_thread)
    end

    apply_pings(pings)
  else
    flash[:danger] = "Could not create comment thread: #{(@comment_thread.errors.full_messages \
                                                         + @comment.errors.full_messages).join(', ')}"
  end
  redirect_to helpers.generic_share_link(@post)
end

#delete_thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 260

def delete_thread
  status = @comment_thread.update(deleted: true, deleted_by: current_user)
  restrict_thread_response(@comment_thread, status)
end

#destroy ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 134

def destroy
  if @comment.update(deleted: true)
    @comment_thread = @comment.comment_thread

    unless current_user.same_as?(@comment.user)
      audit('comment_delete', @comment, "content <<#{@comment.content}>>")
    end

    respond_to do |format|
      format.html { redirect_to comment_thread_path(@comment_thread.id) }
      format.json { render json: { status: 'success' } }
    end
  else
    respond_to do |format|
      format.html do
        flash[:danger] = I18n.t('comments.errors.delete_comment_server_error')
        redirect_to comment_thread_path(@comment_thread.id)
      end
      format.json { render json: { status: 'failed' }, status: :internal_server_error }
    end
  end
end

#follow_thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 265

def follow_thread
  status = @comment_thread.add_follower(current_user)
  restrict_thread_response(@comment_thread, status)
end

#lock_thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 270

def lock_thread
  lu = nil
  unless params[:duration].blank?
    lu = params[:duration].to_i.days.from_now
  end

  status = @comment_thread.update(locked: true, locked_by: current_user, locked_until: lu)
  restrict_thread_response(@comment_thread, status)
end

#pingable ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 349

def pingable
  thread = params[:id] == '-1' ? CommentThread.new(post_id: params[:post]) : CommentThread.find(params[:id])
  users = User.where(id: thread.pingable)
  render json: users.to_h { |u| [u.username, u.id] }
end

#post ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 318

def post
  @post = Post.find(params[:post_id])
  @comment_threads = CommentThread.accessible_to(current_user, @post)
                                  .where(post: @post)
                                  .priority_order
  respond_to do |format|
    format.html { render layout: false }
    format.json { render json: @comment_threads }
  end
end

#post_follow ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 329

def post_follow
  if NewThreadFollower.where(post: @post, user: current_user).none?
    NewThreadFollower.create(post: @post, user: current_user)
  end

  respond_to do |format|
    format.html { redirect_to post_path(@post) }
    format.json { render json: { status: 'success' } }
  end
end

#post_unfollow ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 340

def post_unfollow
  NewThreadFollower.where(post: @post, user: current_user).destroy_all

  respond_to do |format|
    format.html { redirect_to post_path(@post) }
    format.json { render json: { status: 'success' } }
  end
end

#show ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 180

def show
  respond_to do |format|
    format.html { render partial: 'comments/comment', locals: { comment: @comment } }
    format.json { render json: @comment }
  end
end

#thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 187

def thread
  if stale?(last_modified: @comment_thread.last_activity.utc)
    respond_to do |format|
      format.html { render 'comments/thread' }
      format.json { render json: @comment_thread }
    end
  end
end

#thread_content ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 196

def thread_content
  if stale?(last_modified: @comment_thread.last_activity.utc)
    render partial: 'comment_threads/expanded',
           locals: { inline: params[:inline] == 'true',
                     show_deleted: params[:show_deleted_comments] == '1',
                     thread: @comment_thread }
  end
end

#thread_followers ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 205

def thread_followers
  @followers = ThreadFollower.where(comment_thread: @comment_thread).joins(:user, user: :community_user)
                             .includes(:user, user: [:community_user, :avatar_attachment])
  respond_to do |format|
    format.html { render layout: false }
    format.json { render json: @followers }
  end
end

#thread_rename ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 214

def thread_rename
  if @comment_thread.read_only? && !current_user.at_least_moderator?
    flash[:danger] = 'This thread has been locked.'
    redirect_to comment_thread_path(@comment_thread.id)
    return
  end

  orig_title = @comment_thread.title
  title = helpers.strip_markdown(params[:title], strip_leading_quote: true)

  if orig_title == title
    flash[:danger] = I18n.t('comments.errors.no_rename_thread_to_current_title')
    redirect_to comment_thread_path(@comment_thread.id)
    return
  end

  status = @comment_thread.update(title: title)

  if status
    # Comment is owned by System so regular users can't delete it. Without
    # this record, the title would be attributed to the thread creator,
    # which can be abused.
    log_msg = Comment.new(post: @post,
                          content: "Thread renamed from \"#{orig_title}\" to \"#{title}\" by @##{current_user.id}",
                          user: helpers.system_user,
                          comment_thread: @comment_thread,
                          has_reference: false)
    comment_status = log_msg.save
  end

  unless status
    flash[:danger] = I18n.t('comments.errors.rename_thread_generic')
  end

  unless comment_status
    flash[:danger] = I18n.t('comments.errors.comment_not_posted')
  end

  redirect_to comment_thread_path(@comment_thread.id)
end

#thread_unrestrict ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 304

def thread_unrestrict
  # TODO: remove this wrapper action entirely (callbacks need to be moved, routes assigned, etc)
  case params[:type]
  when 'lock'
    unlock_thread
  when 'archive'
    unarchive_thread
  when 'delete'
    undelete_thread
  else
    not_found!
  end
end

#unarchive_thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 280

def unarchive_thread
  status = @comment_thread.update(archived: false, archived_by: nil, ever_archived_before: true)
  restrict_thread_response(@comment_thread, status)
end

#undelete ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 157

def undelete
  if @comment.update(deleted: false)
    @comment_thread = @comment.comment_thread

    unless current_user.same_as?(@comment.user)
      audit('comment_undelete', @comment, "content <<#{@comment.content}>>")
    end

    respond_to do |format|
      format.html { redirect_to comment_thread_path(@comment_thread.id) }
      format.json { render json: { status: 'success' } }
    end
  else
    respond_to do |format|
      format.html do
        flash[:danger] = I18n.t('comments.errors.undelete_comment_server_error')
        redirect_to comment_thread_path(@comment_thread.id)
      end
      format.json { render json: { status: 'failed' }, status: :internal_server_error }
    end
  end
end

#undelete_thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 285

def undelete_thread
  if @comment_thread.deleted_by.at_least_moderator? && !current_user.at_least_moderator?
    render json: { status: 'error', message: I18n.t('comments.errors.mod_only_undelete') }
    return
  end
  status = @comment_thread.update(deleted: false, deleted_by: nil)
  restrict_thread_response(@comment_thread, status)
end

#unfollow_thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 294

def unfollow_thread
  status = @comment_thread.remove_follower(current_user)
  restrict_thread_response(@comment_thread, status)
end

#unlock_thread ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 299

def unlock_thread
  status = @comment_thread.update(locked: false, locked_by: nil, locked_until: nil)
  restrict_thread_response(@comment_thread, status)
end

#update ⇒ Object 



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# File '/var/apps/qpixel/app/controllers/comments_controller.rb', line 111

def update
  @post = @comment.post
  @comment_thread = @comment.comment_thread
  before = @comment.content
  before_pings = check_for_pings(@comment_thread, before)
  if @comment.update comment_params
    unless current_user.same_as?(@comment.user)
      audit('comment_update', @comment, "from <<#{before}>>\nto <<#{@comment.content}>>")
    end

    after_pings = check_for_pings(@comment_thread, @comment.content)
    apply_pings(after_pings - before_pings - @comment_thread.thread_follower.to_a)

    render json: { status: 'success',
                   comment: render_to_string(partial: 'comments/comment',
                                             locals: { comment: @comment, pingable: after_pings }) }
  else
    render json: { status: 'failed',
                   message: "Comment failed to save (#{@comment.errors.full_messages.join(', ')})" },
           status: :internal_server_error
  end
end