Class: PaperTrailManager::ChangesController
- Inherits:
-
Object
- Object
- PaperTrailManager::ChangesController
- Defined in:
- app/controllers/paper_trail_manager/changes_controller.rb
Constant Summary collapse
- PER_PAGE =
Default number of changes to list on a pagenated index page.
50
Instance Method Summary collapse
-
#index ⇒ Object
List changes.
-
#show ⇒ Object
Show a change.
-
#update ⇒ Object
Rollback a change.
Instance Method Details
#index ⇒ Object
List changes
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 |
# File 'app/controllers/paper_trail_manager/changes_controller.rb', line 16 def index unless change_index_allowed? flash[:error] = 'You do not have permission to list changes.' return(redirect_to root_url) end @versions = PaperTrail::Version.order('created_at DESC, id DESC') @versions = @versions.where(item_type: params[:type]) if params[:type] @versions = @versions.where(item_id: params[:id]) if params[:id] # Ensure pagination parameters have sensible values @page = params[:page].to_i @page = nil if @page.zero? @per_page = params[:per_page].to_i @per_page = nil if @per_page.zero? @versions = if defined?(WillPaginate) @versions.paginate(page: @page, per_page: @per_page) else @versions.page(@page).per(@per_page) end respond_to do |format| format.html # index.html.erb format.atom # index.atom.builder format.json { render json: @versions } end end |
#show ⇒ Object
Show a change
47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 |
# File 'app/controllers/paper_trail_manager/changes_controller.rb', line 47 def show begin @version = PaperTrail::Version.find(params[:id]) rescue ActiveRecord::RecordNotFound flash[:error] = 'No such version.' return(redirect_to action: :index) end unless change_show_allowed?(@version) flash[:error] = 'You do not have permission to show that change.' return(redirect_to action: :index) end respond_to do |format| format.html # show.html.erb format.json { render json: @version } end end |
#update ⇒ Object
Rollback a change
67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 |
# File 'app/controllers/paper_trail_manager/changes_controller.rb', line 67 def update begin @version = PaperTrail::Version.find(params[:id]) rescue ActiveRecord::RecordNotFound flash[:error] = 'No such version.' return(redirect_to(changes_path)) end unless change_revert_allowed?(@version) flash[:error] = 'You do not have permission to revert this change.' return(redirect_to changes_path) end if @version.event == 'create' @record = @version.item_type.constantize.find(@version.item_id) @result = @record.destroy else @record = @version.reify @result = @record.save end if @result if @version.event == 'create' flash[:notice] = 'Rolled back newly-created record by destroying it.' redirect_to changes_path else flash[:notice] = 'Rolled back changes to this record.' redirect_to change_item_url(@version) end else flash[:error] = "Couldn't rollback. Sorry." redirect_to changes_path end end |