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[rails.git] / app / controllers / changesets_controller.rb

diff --git a/app/controllers/changesets_controller.rb b/app/controllers/changesets_controller.rb
index fef4d85eb51273596dfe81ccfc0cad88ba81c19f..5eb14629ae231a4f6fb4d62386edc14f9a15e827 100644 (file)
--- a/app/controllers/changesets_controller.rb
+++ b/app/controllers/changesets_controller.rb
@@ -9,6 +9,7 @@ class ChangesetsController < ApplicationController
   before_action :authorize_web
   before_action :set_locale
   before_action -> { check_database_readable(:need_api => true) }, :only => [:index, :feed]
+  before_action :check_database_writable, :only => [:subscribe, :unsubscribe]
 
   authorize_resource
 
@@ -74,6 +75,34 @@ class ChangesetsController < ApplicationController
     index
   end
 
+  ##
+  # subscribe to a changeset
+  def subscribe
+    @changeset = Changeset.find(params[:id])
+
+    if request.post?
+      @changeset.subscribe(current_user) unless @changeset.subscribed?(current_user)
+
+      redirect_to changeset_path(@changeset)
+    end
+  rescue ActiveRecord::RecordNotFound
+    render :action => "no_such_entry", :status => :not_found
+  end
+
+  ##
+  # unsubscribe from a changeset
+  def unsubscribe
+    @changeset = Changeset.find(params[:id])
+
+    if request.post?
+      @changeset.unsubscribe(current_user)
+
+      redirect_to changeset_path(@changeset)
+    end
+  rescue ActiveRecord::RecordNotFound
+    render :action => "no_such_entry", :status => :not_found
+  end
+
   private
 
   #------------------------------------------------------------
@@ -83,7 +112,6 @@ class ChangesetsController < ApplicationController
   ##
   # if a bounding box was specified do some sanity checks.
   # restrict changesets to those enclosed by a bounding box
-  # we need to return both the changesets and the bounding box
   def conditions_bbox(changesets, bbox)
     if bbox
       bbox.check_boundaries