Refactoring of tickets controller to fetch the ticket in a before filter for relevant actions.

1 files changed, 31 insertions, 36 deletions

diff --git a/help/app/controllers/tickets_controller.rb b/help/app/controllers/tickets_controller.rb
index d4aa378..d47939e 100644
--- a/help/app/controllers/tickets_controller.rb
+++ b/help/app/controllers/tickets_controller.rb
@@ -6,6 +6,7 @@ class TicketsController < ApplicationController
   before_filter :set_strings
 
   before_filter :authorize, :only => [:index]
+  before_filter :fetch_ticket, :only => [:show, :update, :destroy] # don't now have an edit method
 
   def new
     @ticket = Ticket.new
@@ -31,52 +32,44 @@ class TicketsController < ApplicationController
 
 =begin
   def edit
-    @ticket = Ticket.find(params[:id])
     @ticket.comments.build
     # build ticket comments?
   end
 =end
 
   def show
-    @ticket = Ticket.find(params[:id])
     @comment = TicketComment.new
     if !@ticket
       redirect_to tickets_path, :alert => "No such ticket"
       return
     end
-    ticket_access_denied? #authorize_ticket_access
-    # @ticket.comments.build
-    # build ticket comments?
   end
 
   def update
-    @ticket = Ticket.find(params[:id])
 
-    if !ticket_access_denied?
-      if params[:post] #currently changes to title or is_open status
-        @ticket.attributes = params[:post]
-        # TODO: do we want to keep the history of title changes? one possibility was adding a comment that said something like 'user changed the title from a to b'
-
-      else
-        params[:ticket][:comments_attributes] = nil if params[:ticket][:comments_attributes].values.first[:body].blank? #unset comments hash if no new comment was typed
-        @ticket.attributes = params[:ticket] #this will call comments_attributes=
-        @ticket.close if params[:commit] == @reply_close_str #this overrides is_open selection
-        # what if there is an update and no new comment? Confirm that there is a new comment to update posted_by:
-        @ticket.comments.last.posted_by = (current_user ? current_user.id : nil) if @ticket.comments_changed? #protecting posted_by isn't working, so this should protect it.
-      end
-      if @ticket.changed? and @ticket.save
-        flash[:notice] = 'Ticket was successfully updated.'
-        if @ticket.is_open || !logged_in?
-          respond_with @ticket
-        else #for closed tickets with authenticated users, redirect to index.
-          redirect_to tickets_path
-        end
-      else
-        #redirect_to [:show, @ticket] #
-        flash[:alert] = 'Ticket has not been changed'
-        redirect_to @ticket
-        #respond_with(@ticket) # why does this go to edit?? redirect???
+    if params[:post] #currently changes to title or is_open status
+      @ticket.attributes = params[:post]
+      # TODO: do we want to keep the history of title changes? one possibility was adding a comment that said something like 'user changed the title from a to b'
+
+    else
+      params[:ticket][:comments_attributes] = nil if params[:ticket][:comments_attributes].values.first[:body].blank? #unset comments hash if no new comment was typed
+      @ticket.attributes = params[:ticket] #this will call comments_attributes=
+      @ticket.close if params[:commit] == @reply_close_str #this overrides is_open selection
+      # what if there is an update and no new comment? Confirm that there is a new comment to update posted_by:
+      @ticket.comments.last.posted_by = (current_user ? current_user.id : nil) if @ticket.comments_changed? #protecting posted_by isn't working, so this should protect it.
+    end
+    if @ticket.changed? and @ticket.save
+      flash[:notice] = 'Ticket was successfully updated.'
+      if @ticket.is_open || !logged_in?
+        respond_with @ticket
+      else #for closed tickets with authenticated users, redirect to index.
+        redirect_to tickets_path
       end
+    else
+      #redirect_to [:show, @ticket] #
+      flash[:alert] = 'Ticket has not been changed'
+      redirect_to @ticket
+      #respond_with(@ticket) # why does this go to edit?? redirect???
     end
 
   end
@@ -88,7 +81,6 @@ class TicketsController < ApplicationController
 
   def destroy
     # should we allow non-admins to delete their own tickets? i don't think necessary.
-    @ticket = Ticket.find(params[:id])
     @ticket.destroy if admin?
     redirect_to tickets_path
   end
@@ -99,16 +91,19 @@ class TicketsController < ApplicationController
     @ticket and (admin? or !@ticket.created_by or (current_user and current_user.id == @ticket.created_by))
   end
 
-  def ticket_access_denied?
-    access_denied unless ticket_access?
-  end
-
-
   def set_strings
     @post_reply_str = 'Post reply' #t :post_reply
     @reply_close_str = 'Reply and close' #t :reply_and_close
   end
 
+  def fetch_ticket
+    @ticket = Ticket.find(params[:id])
+    if !@ticket and admin?
+      redirect_to tickets_path, :alert => "No such ticket"
+      return
+    end
+    access_denied unless ticket_access?
+  end
   # not using now, as we are using comment_attributes= from the Ticket model
 =begin
   def add_comment