chore: Provider APIs for SMS Channel - Bandwidth (#3889)

fixes: #3888

app/services/contacts/contactable_inboxes_service.rb

@@ -14,6 +14,8 @@ class Contacts::ContactableInboxesService
       twilio_contactable_inbox(inbox)
     when 'Channel::Whatsapp'
       whatsapp_contactable_inbox(inbox)
+    when 'Channel::Sms'
+      sms_contactable_inbox(inbox)
     when 'Channel::Email'
       email_contactable_inbox(inbox)
     when 'Channel::Api'
@@ -52,6 +54,12 @@ class Contacts::ContactableInboxesService
     { source_id: @contact.phone_number.delete('+'), inbox: inbox }
   end
 
+  def sms_contactable_inbox(inbox)
+    return unless @contact.phone_number
+
+    { source_id: @contact.phone_number, inbox: inbox }
+  end
+
   def twilio_contactable_inbox(inbox)
     return if @contact.phone_number.blank?
 

app/services/sms/incoming_message_service.rb

@@ -0,0 +1,66 @@
+class Sms::IncomingMessageService
+  include ::FileTypeHelper
+
+  pattr_initialize [:inbox!, :params!]
+
+  def perform
+    set_contact
+    set_conversation
+    @message = @conversation.messages.create(
+      content: params[:text],
+      account_id: @inbox.account_id,
+      inbox_id: @inbox.id,
+      message_type: :incoming,
+      sender: @contact,
+      source_id: params[:id]
+    )
+  end
+
+  private
+
+  def account
+    @account ||= @inbox.account
+  end
+
+  def phone_number
+    params[:from]
+  end
+
+  def formatted_phone_number
+    TelephoneNumber.parse(phone_number).international_number
+  end
+
+  def set_contact
+    contact_inbox = ::ContactBuilder.new(
+      source_id: params[:from],
+      inbox: @inbox,
+      contact_attributes: contact_attributes
+    ).perform
+
+    @contact_inbox = contact_inbox
+    @contact = contact_inbox.contact
+  end
+
+  def conversation_params
+    {
+      account_id: @inbox.account_id,
+      inbox_id: @inbox.id,
+      contact_id: @contact.id,
+      contact_inbox_id: @contact_inbox.id
+    }
+  end
+
+  def set_conversation
+    @conversation = @contact_inbox.conversations.first
+    return if @conversation
+
+    @conversation = ::Conversation.create!(conversation_params)
+  end
+
+  def contact_attributes
+    {
+      name: formatted_phone_number,
+      phone_number: phone_number
+    }
+  end
+end

app/services/sms/oneoff_sms_campaign_service.rb

@@ -0,0 +1,32 @@
+class Sms::OneoffSmsCampaignService
+  pattr_initialize [:campaign!]
+
+  def perform
+    raise "Invalid campaign #{campaign.id}" if campaign.inbox.inbox_type != 'Sms' || !campaign.one_off?
+    raise 'Completed Campaign' if campaign.completed?
+
+    # marks campaign completed so that other jobs won't pick it up
+    campaign.completed!
+
+    audience_label_ids = campaign.audience.select { |audience| audience['type'] == 'Label' }.pluck('id')
+    audience_labels = campaign.account.labels.where(id: audience_label_ids).pluck(:title)
+    process_audience(audience_labels)
+  end
+
+  private
+
+  delegate :inbox, to: :campaign
+  delegate :channel, to: :inbox
+
+  def process_audience(audience_labels)
+    campaign.account.contacts.tagged_with(audience_labels, any: true).each do |contact|
+      next if contact.phone_number.blank?
+
+      send_message(to: contact.phone_number, content: campaign.message)
+    end
+  end
+
+  def send_message(to:, content:)
+    channel.send_text_message(to, content)
+  end
+end

app/services/sms/send_on_sms_service.rb

@@ -0,0 +1,16 @@
+class Sms::SendOnSmsService < Base::SendOnChannelService
+  private
+
+  def channel_class
+    Channel::Sms
+  end
+
+  def perform_reply
+    send_on_sms
+  end
+
+  def send_on_sms
+    message_id = channel.send_message(message.conversation.contact_inbox.source_id, message)
+    message.update!(source_id: message_id) if message_id.present?
+  end
+end