app/controllers/user_blocks_controller.rb

   1 class UserBlocksController < ApplicationController
   2   include UserMethods
   3   include PaginationMethods
   4
   5   layout :site_layout
   6
   7   before_action :authorize_web
   8   before_action :set_locale
   9
  10   authorize_resource
  11
  12   before_action :lookup_user, :only => [:new, :create]
  13   before_action :lookup_user_block, :only => [:show, :edit, :update]
  14   before_action :require_valid_params, :only => [:create, :update]
  15   before_action :check_database_readable
  16   before_action :check_database_writable, :only => [:create, :update]
  17
  18   def index
  19     @params = params.permit
  20
  21     user_blocks = UserBlock.all
  22
  23     @user_blocks, @newer_user_blocks_id, @older_user_blocks_id = get_page_items(user_blocks, :includes => [:user, :creator, :revoker])
  24
  25     @show_user_name = true
  26     @show_creator_name = true
  27   end
  28
  29   def show
  30     if current_user && current_user == @user_block.user && !@user_block.deactivates_at
  31       @user_block.needs_view = false
  32       @user_block.deactivates_at = [@user_block.ends_at, Time.now.utc].max
  33       @user_block.save!
  34     end
  35   end
  36
  37   def new
  38     @user_block = UserBlock.new(:needs_view => true)
  39   end
  40
  41   def edit
  42     params[:user_block_period] = ((@user_block.ends_at - Time.now.utc) / 1.hour).ceil.to_s
  43   end
  44
  45   def create
  46     if @valid_params
  47       now = Time.now.utc
  48       @user_block = UserBlock.new(
  49         :user => @user,
  50         :creator => current_user,
  51         :reason => params[:user_block][:reason],
  52         :created_at => now,
  53         :ends_at => now + @block_period.hours,
  54         :needs_view => params[:user_block][:needs_view]
  55       )
  56       @user_block.deactivates_at = @user_block.ends_at unless @user_block.needs_view
  57
  58       if @user_block.save
  59         flash[:notice] = t(".flash", :name => @user.display_name)
  60         redirect_to @user_block
  61       else
  62         render :action => "new"
  63       end
  64     else
  65       redirect_to new_user_block_path(params[:display_name])
  66     end
  67   end
  68
  69   def update
  70     if @valid_params
  71       if cannot?(:update, @user_block)
  72         flash[:error] = @user_block.revoker ? t(".only_creator_or_revoker_can_edit") : t(".only_creator_can_edit")
  73         redirect_to :action => "edit"
  74       else
  75         user_block_was_active = @user_block.active?
  76         @user_block.reason = params[:user_block][:reason]
  77         @user_block.needs_view = params[:user_block][:needs_view]
  78         @user_block.ends_at = Time.now.utc + @block_period.hours
  79         @user_block.deactivates_at = (@user_block.ends_at unless @user_block.needs_view)
  80         @user_block.revoker = current_user if user_block_was_active && !@user_block.active?
  81         if user_block_was_active && @user_block.active? && current_user != @user_block.creator
  82           flash.now[:error] = t(".only_creator_can_edit_without_revoking")
  83           render :action => "edit"
  84         elsif !user_block_was_active && @user_block.active?
  85           flash.now[:error] = t(".inactive_block_cannot_be_reactivated")
  86           render :action => "edit"
  87         else
  88           unless user_block_was_active
  89             @user_block.ends_at = @user_block.ends_at_was
  90             @user_block.deactivates_at = @user_block.deactivates_at_was
  91             @user_block.deactivates_at = [@user_block.ends_at, @user_block.updated_at].max unless @user_block.deactivates_at # take updated_at into account before deactivates_at is backfilled
  92           end
  93           if @user_block.save
  94             flash[:notice] = t(".success")
  95             redirect_to @user_block
  96           else
  97             render :action => "edit"
  98           end
  99         end
 100       end
 101     else
 102       redirect_to edit_user_block_path(params[:id])
 103     end
 104   end
 105
 106   private
 107
 108   ##
 109   # ensure that there is a "user_block" instance variable
 110   def lookup_user_block
 111     @user_block = UserBlock.find(params[:id])
 112   rescue ActiveRecord::RecordNotFound
 113     render :action => "not_found", :status => :not_found
 114   end
 115
 116   ##
 117   # check that the input parameters are valid, setting an instance
 118   # variable if not. note that this doesn't do any redirection, as it's
 119   # called before two different actions, each of which should redirect
 120   # to a different place.
 121   def require_valid_params
 122     @block_period = params[:user_block_period].to_i
 123     @valid_params = false
 124
 125     if UserBlock::PERIODS.exclude?(@block_period)
 126       flash[:error] = t("user_blocks.filter.block_period")
 127
 128     else
 129       @valid_params = true
 130     end
 131   end
 132 end