EN-7393 event confirmation email

app/mailers/group_mailer.rb

@@ -1,11 +1,11 @@
 class GroupMailer < MailjetMailer
   def event_created_confirmation event
-    event_creator = event.user
+    user = event.user
 
-    IcalService.attach_ical(group: event, for_user: event_creator, to: self)
+    IcalService.attach_ical(group: event, for_user: user, to: self)
 
     mailjet_email(
-      to: event_creator,
+      to: user,
       campaign_name: :event_created_confirmation,
       template_id: 491291,
       variables: [
@@ -18,4 +18,27 @@ def event_created_confirmation event
       ]
     )
   end
+
+  def event_joined_confirmation event
+    user = event.user
+
+    IcalService.attach_ical(group: event, for_user: user, to: self)
+
+    mailjet_email(
+      to: user,
+      campaign_name: :event_joined_confirmation,
+      template_id: 6174412,
+      variables: {
+        outing: {
+          name: event.title,
+          address: event.event_url,
+          date: I18n.l(event.metadata[:starts_at].to_date, format: :short, locale: user.lang),
+          hour: event.metadata[:starts_at].strftime("%Hh%M"),
+          image_url: event.image_url_with_size(:landscape_url, :medium),
+          calendar_url: event.calendar_url,
+          url: event.share_url
+        }
+      }
+    )
+  end
 end

app/models/entourage.rb

@@ -277,6 +277,13 @@ def share_url_model
     :solicitations
   end
 
+  def calendar_url
+    return unless outing?
+    return unless uuid_v2
+
+    "#{share_url}/agenda"
+  end
+
   class << self
     def share_url model
       "#{ENV['MOBILE_HOST']}/app/#{model}"

app/observers/join_request_observer.rb

@@ -3,6 +3,8 @@ class JoinRequestObserver < ActiveRecord::Observer
 
   def after_create(record)
     action(:create, record)
+
+    mailer(record)
   end
 
   def after_update(record)
@@ -28,4 +30,10 @@ def action(verb, record)
   rescue
     # we want this hook to never fail the main process
   end
+
+  def mailer(record)
+    if record.joinable.respond_to?(:outing?) && record.joinable.outing?
+      GroupMailer.event_joined_confirmation(record.joinable).deliver_later
+    end
+  end
 end

spec/mailers/group_mailer_spec.rb

@@ -0,0 +1,17 @@
+require 'rails_helper'
+
+describe GroupMailer, type: :mailer do
+  let(:user) { create :public_user }
+  let(:outing) { create :outing, user: user }
+
+  describe ".event_joined_confirmation" do
+    let(:user) { create :public_user }
+    let(:mail) { GroupMailer.event_joined_confirmation(outing) }
+    let(:json_variables) { JSON.parse(mail['X-MJ-Vars'].value) }
+
+    it { expect(json_variables['first_name']).to eq(user.first_name) }
+    it { expect(json_variables).to have_key("outing") }
+    it { expect(json_variables['outing']['name']).to eq(outing.title) }
+    it { expect(json_variables['outing']['calendar_url']).to match("agenda") }
+  end
+end

spec/observers/join_request_observer_spec.rb

@@ -0,0 +1,23 @@
+require 'rails_helper'
+
+describe JoinRequestObserver do
+  describe "mailer" do
+    let(:join_request) { create :join_request, joinable: joinable }
+
+    context "outing membership does trigger mailer" do
+      let(:joinable) { create(:outing) }
+
+      before { expect_any_instance_of(GroupMailer).to receive(:event_joined_confirmation) }
+
+      it { join_request }
+    end
+
+    context "neighborhood membership does not trigger mailer" do
+      let(:joinable) { create(:neighborhood) }
+
+      before { expect_any_instance_of(GroupMailer).not_to receive(:event_joined_confirmation) }
+
+      it { join_request }
+    end
+  end
+end