Notify organization members when transparency mode or monthly announcements are updated

app/mailers/event_mailer.rb

@@ -47,4 +47,28 @@ def negative_balance
     mail(to: @emails, subject: "#{@event.name} has a negative balance")
   end
 
+  def transparency_mode_enabled
+    @whodunnit = params[:whodunnit]
+    mail to: @emails, subject: "#{@event.name} has enabled transparency mode"
+  end
+
+  def transparency_mode_disabled
+    @whodunnit = params[:whodunnit]
+    mail to: @emails, subject: "#{@event.name} has disabled transparency mode"
+  end
+
+  def monthly_announcements_enabled
+    @whodunnit = params[:whodunnit]
+    @monthly_announcement = @event.announcements.monthly_for(Date.today).last
+    @scheduled_for = Date.today.next_month.beginning_of_month
+    @warning_date = @scheduled_for - 7.days
+
+    mail to: @emails, subject: "#{@event.name} has enabled monthly announcements"
+  end
+
+  def monthly_announcements_disabled
+    @whodunnit = params[:whodunnit]
+    mail to: @emails, subject: "#{@event.name} has disabled monthly announcements"
+  end
+
 end

app/models/event.rb

@@ -452,6 +452,15 @@ def ancestor_organizer_positions
 
   after_update :generate_stripe_card_designs, if: -> { attachment_changes["stripe_card_logo"].present? && stripe_card_logo.attached? && !Rails.env.test? }
 
+  after_update if: :is_public_previously_changed? do
+    whodunnit = User.find(self.versions.where_object_changes(is_public:).last.whodunnit)
+    if is_public
+      EventMailer.with(event: self, whodunnit:).transparency_mode_enabled.deliver_later
+    else
+      EventMailer.with(event: self, whodunnit:).transparency_mode_disabled.deliver_later
+    end
+  end
+
   # We can't do this through a normal dependent: :destroy since ActiveRecord does not support deleting records through indirect has_many associations
   # https://github.com/rails/rails/commit/05bcb8cecc8573f28ad080839233b4bb9ace07be
   after_destroy_commit do

app/models/event/configuration.rb

@@ -32,6 +32,14 @@ class Configuration < ApplicationRecord
     validates :subevent_plan, inclusion: { in: -> { Event::Plan.available_plans.map(&:name) } }, allow_blank: true
 
     after_save :create_or_destroy_monthly_announcement
+    after_update if: :generate_monthly_announcement_previously_changed? do
+      whodunnit = User.find(self.versions.where_object_changes(generate_monthly_announcement:).last.whodunnit)
+      if generate_monthly_announcement
+        EventMailer.with(event:, whodunnit:).monthly_announcements_enabled.deliver_later
+      else
+        EventMailer.with(event:, whodunnit:).monthly_announcements_disabled.deliver_later
+      end
+    end
 
     private
 

app/views/event_mailer/monthly_announcements_disabled.html.erb

@@ -0,0 +1,14 @@
+<p><%= @emails.length > 1 ? "Hi all," : "Hi there," %></p>
+
+<p>
+  <%= @whodunnit.preferred_name.presence || @whodunnit.full_name %> (an <%= @event.users.include?(@whodunnit) ? "organization manager" : "HCB admin" %>) has disabled monthly announcements for <%= @event.name %>.
+  Any monthly announcements that have already been published will remain published,
+  but the current monthly announcement draft has been discarded.
+</p>
+
+<p>Managers can re-enable monthly announcements at any time in <%= link_to "your organization settings", edit_event_url(@event) %>.</p>
+
+<p>
+  From,<br>
+  The HCB Team
+</p>

app/views/event_mailer/monthly_announcements_enabled.html.erb

@@ -0,0 +1,20 @@
+<p><%= @emails.length > 1 ? "Hi all," : "Hi there," %></p>
+
+<p>
+  <%= @whodunnit.preferred_name.presence || @whodunnit.full_name %> (an <%= @event.users.include?(@whodunnit) ? "organization manager" : "HCB admin" %>) has enabled monthly announcements for <%= @event.name %>.
+  This is a feature that automatically generates an announcement each month to send out to your followers.
+  For more information about announcements, check out <%= link_to "our blog post", "https://blog.hcb.hackclub.com/posts/organization-announcements" %>.
+</p>
+
+<p>
+  By default, each monthly announcement includes summarized data about your organization from the past month, such as donations and spending analyses, but you can edit the announcement to include whatever you'd like.
+  Your first monthly announcement has been generated and is scheduled to be sent on <%= @scheduled_for.strftime("%B #{@scheduled_for.day.ordinalize}") %> - <%= link_to "view or edit it on HCB", announcement_url(@monthly_announcement) %>!
+  If your organization doesn't have any activity from this month to include in the announcement by <%= @warning_date.strftime("%B #{@warning_date.day.ordinalize}") %>, the announcement will not be sent.
+</p>
+
+<p>Managers can disable monthly announcements at any time in <%= link_to "your organization settings", edit_event_url(@event) %>.</p>
+
+<p>
+  From,<br>
+  The HCB Team
+</p>

app/views/event_mailer/transparency_mode_disabled.html.erb

@@ -0,0 +1,18 @@
+<p><%= @emails.length > 1 ? "Hi all," : "Hi there," %></p>
+
+<p>
+  <%= @whodunnit.preferred_name.presence || @whodunnit.full_name %> (an <%= @event.users.include?(@whodunnit) ? "organization manager" : "HCB admin" %>) has disabled transparency mode for <%= @event.name %>.
+  This means your organization is now private to unauthenticated users on HCB.
+  <% if @event.announcements.published.any? %>
+    Any published announcements are still visible to the public on your <%= link_to "announcements page", event_announcement_overview_url(@event) %>.
+  <% end %>
+</p>
+
+<p>
+  Managers can re-enable transparency mode at any time in <%= link_to "your organization settings", edit_event_url(@event) %>.
+</p>
+
+<p>
+  From,<br>
+  The HCB Team
+</p>

app/views/event_mailer/transparency_mode_enabled.html.erb

@@ -0,0 +1,36 @@
+<p><%= @emails.length > 1 ? "Hi all," : "Hi there," %></p>
+
+<p>
+  <%= @whodunnit.preferred_name.presence || @whodunnit.full_name %> (an <%= @event.users.include?(@whodunnit) ? "organization manager" : "HCB admin" %>) has enabled transparency mode for <%= @event.name %>.
+  With transparency mode enabled:
+</p>
+
+<ul>
+  <li>Unauthenticated users will be able to access a <strong>read-only</strong> version of your organization.</li>
+  <li>None of HCB&apos;s pages will change for signed in team members.</li>
+  <li>We&apos;ll do our best to redact contact info, but we can&apos;t guarantee it doesn't show up in these
+    fields:
+    <ul>
+      <li>Transaction display names</li>
+      <li>Sponsor company names</li>
+      <li>ACH transfer recipients</li>
+      <li>Check recipients</li>
+    </ul>
+  </li>
+  <li>Your <%= link_to "announcements page", event_announcement_overview_url(@event) %> will always be visible.</li>
+</ul>
+
+<p>
+  Managers can disable transparency mode at any time in <%= link_to "your organization settings", edit_event_url(@event) %>.
+</p>
+
+<p>
+  Additionally, managers can enable monthly announcements in <%= link_to "your organization settings", edit_event_url(@event) %>.
+  If enabled, HCB will generate a new announcement each month that includes summarized data about your organization from the past month.
+  For more information, check out <%= link_to "our blog post", "https://blog.hcb.hackclub.com/posts/monthly-announcements" %>.
+</p>
+
+<p>
+  From,<br>
+  The HCB Team
+</p>

spec/mailers/previews/event_mailer_preview.rb

@@ -22,4 +22,20 @@ def negative_balance
       .negative_balance
   end
 
+  def transparency_mode_enabled
+    EventMailer.with(event: Event.first, whodunnit: Event.first.users.first).transparency_mode_enabled
+  end
+
+  def monthly_announcements_enabled
+    EventMailer.with(event: Announcement.monthly_for(Date.today).first.event, whodunnit: Event.first.users.first).monthly_announcements_enabled
+  end
+
+  def transparency_mode_disabled
+    EventMailer.with(event: Event.first, whodunnit: Event.first.users.first).transparency_mode_disabled
+  end
+
+  def monthly_announcements_disabled
+    EventMailer.with(event: Event.first, whodunnit: Event.first.users.first).monthly_announcements_disabled
+  end
+
 end