fix: whatsapp cloud to consider multiple attachments

app/services/whatsapp/providers/whatsapp_cloud_service.rb

@@ -1,4 +1,7 @@
 class Whatsapp::Providers::WhatsappCloudService < Whatsapp::Providers::BaseService
+  ATTACHMENT_TYPE = [image, audio, video].freeze
+  MESSAGE_CONTENT = [audio, sticker].freeze
+
   def send_message(phone_number, message)
     if message.attachments.present?
       send_attachment_message(phone_number, message)
@@ -67,25 +70,26 @@ class Whatsapp::Providers::WhatsappCloudService < Whatsapp::Providers::BaseServi
   end
 
   def send_attachment_message(phone_number, message)
-    attachment = message.attachments.first
+    message.attachments.each do |attachment|
-    type = %w[image audio video].include?(attachment.file_type) ? attachment.file_type : 'document'
+      type = ATTACHMENT_TYPE.include?(attachment.file_type) ? attachment.file_type : 'document'
-    type_content = {
+      type_content = {
-      'link': attachment.download_url
+        'link': attachment.download_url
-    }
+      }
-    type_content['caption'] = message.content unless %w[audio sticker].include?(type)
+      type_content['caption'] = message.content unless MESSAGE_CONTENT.include?(type)
-    type_content['filename'] = attachment.file.filename if type == 'document'
+      type_content['filename'] = attachment.file.filename if type == 'document'
-    response = HTTParty.post(
+      response = HTTParty.post(
-      "#{phone_id_path}/messages",
+        "#{phone_id_path}/messages",
-      headers: api_headers,
+        headers: api_headers,
-      body: {
+        body: {
-        messaging_product: 'whatsapp',
+          messaging_product: 'whatsapp',
-        'to' => phone_number,
+          'to' => phone_number,
-        'type' => type,
+          'type' => type,
-        type.to_s => type_content
+          type.to_s => type_content
-      }.to_json
+        }.to_json
-    )
+      )
 
-    process_response(response)
+      process_response(response)
+    end
   end
 
   def process_response(response)