Disable auto follow back on aspect deletion

app/controllers/aspects_controller.rb

@@ -44,14 +44,20 @@ class AspectsController < ApplicationController
   end
 
   def destroy
-    @aspect = current_user.aspects.where(:id => params[:id]).first
+    @aspect = current_user.aspects.where(id: params[:id]).first
 
     begin
-      @aspect.destroy
-      flash[:notice] = I18n.t 'aspects.destroy.success', :name => @aspect.name
-    rescue ActiveRecord::StatementInvalid => e
-      flash[:error] = I18n.t 'aspects.destroy.failure', :name => @aspect.name
+      if current_user.auto_follow_back && @aspect.id == current_user.auto_follow_back_aspect.id
+        current_user.update(auto_follow_back: false, auto_follow_back_aspect: nil)
+        flash[:notice] = I18n.t "aspects.destroy.success_auto_follow_back", name: @aspect.name
+      else
+        flash[:notice] = I18n.t "aspects.destroy.success", name: @aspect.name
       end
+      @aspect.destroy
+    rescue ActiveRecord::StatementInvalid => e
+      flash[:error] = I18n.t "aspects.destroy.failure", name: @aspect.name
+    end
+
     if request.referer.include?('contacts')
       redirect_to contacts_path
     else

config/locales/diaspora/en.yml

@@ -215,7 +215,8 @@ en:
       failure: "Aspect creation failed."
     destroy:
       success: "%{name} was successfully removed."
-      failure: "%{name} is not empty and could not be removed."
+      success_auto_follow_back: "%{name} was successfully removed. You used this aspect to automatically follow back users. Check your user settings to select a new auto follow back aspect."
+      failure: "%{name} could not be removed."
     update:
       success: "Your aspect, %{name}, has been successfully edited."
       failure: "Your aspect, %{name}, had too long name to be saved."

spec/controllers/aspects_controller_spec.rb

@@ -112,6 +112,54 @@ describe AspectsController, :type => :controller do
     end
   end
 
+  describe "#destroy" do
+    before do
+      @alices_aspect_1 = alice.aspects.create(name: "Contacts")
+    end
+
+    context "with no auto follow back aspect" do
+      it "destoys the aspect" do
+        expect(alice.aspects.to_a).to include @alices_aspect_1
+        post :destroy, id: @alices_aspect_1.id
+        expect(alice.reload.aspects.to_a).not_to include @alices_aspect_1
+      end
+
+      it "renders a flash message on success" do
+        post :destroy, id: @alices_aspect_1.id
+        expect(flash[:notice]).to eq(I18n.t("aspects.destroy.success", name: @alices_aspect_1.name))
+        expect(flash[:error]).to be_blank
+      end
+    end
+
+    context "with the aspect set as auto follow back" do
+      before do
+        alice.auto_follow_back = true
+        alice.auto_follow_back_aspect = @alices_aspect_1
+        alice.save
+      end
+
+      it "destoys the aspect" do
+        expect(alice.aspects.to_a).to include @alices_aspect_1
+        post :destroy, id: @alices_aspect_1.id
+        expect(alice.reload.aspects.to_a).not_to include @alices_aspect_1
+      end
+
+      it "disables auto follow back" do
+        expect(alice.auto_follow_back).to be(true)
+        expect(alice.auto_follow_back_aspect).to eq(@alices_aspect_1)
+        post :destroy, id: @alices_aspect_1.id
+        expect(alice.auto_follow_back).to be(false)
+        expect(alice.auto_follow_back_aspect).to eq(nil)
+      end
+
+      it "renders a flash message telling you to set a new auto follow back aspect" do
+        post :destroy, id: @alices_aspect_1.id
+        expect(flash[:notice]).to eq(I18n.t("aspects.destroy.success_auto_follow_back", name: @alices_aspect_1.name))
+        expect(flash[:error]).to be_blank
+      end
+    end
+  end
+
   describe "#toggle_contact_visibility" do
     it 'sets contacts visible' do
       @alices_aspect_1.contacts_visible = false