Add email notifications for events registrations, add switch-checkboxes, create EventsRegistrations controller, separate page for events that require registration

app/controllers/events_registrations_controller.rb

@@ -0,0 +1,89 @@
+class EventsRegistrationsController < ApplicationController
+  load_resource :conference, find_by: :short_title
+  load_resource :program, through: :conference, singleton: true
+  load_resource :proposal, class: 'Event'
+  load_resource :registration, through: :conference
+  before_action :load_events_registration
+  authorize_resource only: [:index, :toggle_attendance]
+  after_action :prepare_unobtrusive_flash, only: [:toggle, :toggle_attendance]
+
+  def index
+    @registration = @conference.registrations.find_by(conference: @conference, user: current_user)
+    if @registration
+      @events = @registration.events_ordered
+    else
+      @events = @program.events.require_registration
+    end
+#     unless current_user.registered? @conference
+#       redirect_to conference_conference_registration_path(@conference), alert: 'You got to register to the conf'
+#     end
+
+  end
+
+  def show
+    authorize! :update, @proposal
+  end
+
+  def toggle_attendance
+    @events_registration = EventsRegistration.find_by(event_id: @proposal.id, registration_id: @registration.id)
+    @events_registration.attended = !@events_registration.attended
+
+    if @events_registration.attended
+      if @events_registration.save
+        flash[:notice] = "You have marked #{@registration.email} as attended."
+      else
+        flash[:error] = "Failed to mark #{@registration.email} as attended."
+      end
+    elsif @events_registration.save
+      flash[:notice] = "You have marked #{@registration.email} as NOT attended."
+    else
+      flash[:error] = "Failed to mark #{@registration.email} as NOT attended."
+    end
+
+    respond_to do |format|
+      format.js
+    end
+  end
+
+  def toggle
+    authorize! :toggle, @events_registration
+
+    if params[:state] == 'false'
+      # Destroy the registration to the event
+      if @events_registration.destroy
+        flash[:notice] = "You successfully unregistered from '#{@proposal.title}'"
+      else
+        flash[:error] = "Failed to unregister you from '#{@proposal.title}'. Please try again."
+      end
+    elsif params[:state] == 'true'
+      # Create the registration to the event
+      if @events_registration.save
+        flash[:notice] = "You successfully registered to '#{@proposal.title}'"
+
+        if params[:send_email] == 'true'
+          if @events_registration.send_email_on_new_event_registration?
+            @events_registration.send_event_registration_mail
+          end
+        end
+      else
+        flash[:error] = "Failed to register you to '#{@proposal.title}'. Please try again."
+      end
+    else
+      flash[:error] = 'Something went wrong. Please take action again.'
+    end
+
+    respond_to do |format|
+      format.js
+    end
+  end
+
+  private
+
+  def events_registrations_params
+    params.require(:events_registrations).permit(:event_id, :registration_id)
+  end
+
+  def load_events_registration
+    @events_registration = EventsRegistration.find_or_initialize_by(event: @proposal, registration: @registration)
+  end
+end