app/controllers/user_blocks_controller.rb

   1 class UserBlocksController < ApplicationController
   2   include UserMethods
   3
   4   layout "site"
   5
   6   before_action :authorize_web
   7   before_action :set_locale
   8
   9   authorize_resource
  10
  11   before_action :lookup_user, :only => [:new, :create, :revoke_all, :blocks_on, :blocks_by]
  12   before_action :lookup_user_block, :only => [:show, :edit, :update, :revoke]
  13   before_action :require_valid_params, :only => [:create, :update]
  14   before_action :check_database_readable
  15   before_action :check_database_writable, :only => [:create, :update, :revoke]
  16
  17   def index
  18     @params = params.permit
  19     @user_blocks_pages, @user_blocks = paginate(:user_blocks,
  20                                                 :include => [:user, :creator, :revoker],
  21                                                 :order => "user_blocks.ends_at DESC",
  22                                                 :per_page => 20)
  23   end
  24
  25   def show
  26     if current_user && current_user == @user_block.user
  27       @user_block.needs_view = false
  28       @user_block.save!
  29     end
  30   end
  31
  32   def new
  33     @user_block = UserBlock.new
  34   end
  35
  36   def edit
  37     params[:user_block_period] = ((@user_block.ends_at - Time.now.utc) / 1.hour).ceil.to_s
  38   end
  39
  40   def create
  41     if @valid_params
  42       now = Time.now.utc
  43       @user_block = UserBlock.new(
  44         :user => @user,
  45         :creator => current_user,
  46         :reason => params[:user_block][:reason],
  47         :created_at => now,
  48         :ends_at => now + @block_period.hours,
  49         :needs_view => params[:user_block][:needs_view]
  50       )
  51
  52       if @user_block.save
  53         flash[:notice] = t(".flash", :name => @user.display_name)
  54         redirect_to @user_block
  55       else
  56         render :action => "new"
  57       end
  58     else
  59       redirect_to new_user_block_path(:display_name => params[:display_name])
  60     end
  61   end
  62
  63   def update
  64     if @valid_params
  65       if @user_block.creator != current_user
  66         flash[:error] = t(".only_creator_can_edit")
  67         redirect_to :action => "edit"
  68       elsif @user_block.update(
  69         :ends_at => Time.now.utc + @block_period.hours,
  70         :reason => params[:user_block][:reason],
  71         :needs_view => params[:user_block][:needs_view]
  72       )
  73         flash[:notice] = t(".success")
  74         redirect_to(@user_block)
  75       else
  76         render :action => "edit"
  77       end
  78     else
  79       redirect_to edit_user_block_path(:id => params[:id])
  80     end
  81   end
  82
  83   ##
  84   # revokes the block, setting the end_time to now
  85   def revoke
  86     if request.post? && params[:confirm] && @user_block.revoke!(current_user)
  87       flash[:notice] = t ".flash"
  88       redirect_to(@user_block)
  89     end
  90   end
  91
  92   ##
  93   # revokes all active blocks
  94   def revoke_all
  95     # TODO revoke
  96   end
  97
  98   ##
  99   # shows a list of all the blocks on the given user
 100   def blocks_on
 101     @params = params.permit(:display_name)
 102     @user_blocks_pages, @user_blocks = paginate(:user_blocks,
 103                                                 :include => [:user, :creator, :revoker],
 104                                                 :conditions => { :user_id => @user.id },
 105                                                 :order => "user_blocks.ends_at DESC",
 106                                                 :per_page => 20)
 107   end
 108
 109   ##
 110   # shows a list of all the blocks by the given user.
 111   def blocks_by
 112     @params = params.permit(:display_name)
 113     @user_blocks_pages, @user_blocks = paginate(:user_blocks,
 114                                                 :include => [:user, :creator, :revoker],
 115                                                 :conditions => { :creator_id => @user.id },
 116                                                 :order => "user_blocks.ends_at DESC",
 117                                                 :per_page => 20)
 118   end
 119
 120   private
 121
 122   ##
 123   # ensure that there is a "user_block" instance variable
 124   def lookup_user_block
 125     @user_block = UserBlock.find(params[:id])
 126   rescue ActiveRecord::RecordNotFound
 127     render :action => "not_found", :status => :not_found
 128   end
 129
 130   ##
 131   # check that the input parameters are valid, setting an instance
 132   # variable if not. note that this doesn't do any redirection, as it's
 133   # called before two different actions, each of which should redirect
 134   # to a different place.
 135   def require_valid_params
 136     @block_period = params[:user_block_period].to_i
 137     @valid_params = false
 138
 139     if UserBlock::PERIODS.exclude?(@block_period)
 140       flash[:error] = t("user_blocks.filter.block_period")
 141
 142     elsif @user_block && !@user_block.active?
 143       flash[:error] = t("user_blocks.filter.block_expired")
 144
 145     else
 146       @valid_params = true
 147     end
 148   end
 149 end