Start of Whatsapp tool

app/controllers/whatsapp_controller.rb

@@ -0,0 +1,74 @@
+class WhatsappController < ApplicationController
+  protect_from_forgery except: :create
+  skip_before_action :authenticate_user!
+
+  def create
+    # render plain: params["hub.challenge"], status: :ok
+
+    # if params[:entry][0][:id] == "332066249987383"
+    #   binding.pry
+    # end
+
+    render plain: "OK", status: :ok
+  end
+
+  private
+
+  def callback
+    params.dig(:entry, 0, :changes, 0)
+  end
+end
+
+
+#   curl -i -X POST \
+#   https://graph.facebook.com/v19.0/320958887765426/messages \
+#   -H 'Authorization: Bearer abc123' \
+#   -H 'Content-Type: application/json' \
+#   -d '{ "messaging_product": "whatsapp", "to": "17737898255", "type": "template", "template": { "name": "hello_world", "language": { "code": "en_US" } } }'
+
+
+
+# {"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"},
+
+# "statuses"=>[{"id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgARGBJBODFGN0ExNDc2NUUzODBFNTEA", "status"=>"read", "timestamp"=>"1715986294", "recipient_id"=>"17737898255"}]}, "field"=>"messages"}]}], "whatsapp"=>{"object"=>"whatsapp_business_account", "entry"=>[{"id"=>"332066249987383", "changes"=>[{"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"},
+
+# "statuses"=>[{"id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgARGBJBODFGN0ExNDc2NUUzODBFNTEA", "status"=>"read", "timestamp"=>"1715986294", "recipient_id"=>"17737898255"}]}, "field"=>"messages"}]}]}}
+
+
+
+
+
+# {"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"},
+
+# "statuses"=>[{"id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgARGBJBODFGN0ExNDc2NUUzODBFNTEA", "status"=>"delivered", "timestamp"=>"1715986294", "recipient_id"=>"17737898255", "conversation"=>{"id"=>"2bb8fba1d906609da4c5cbdac61f5bf1", "origin"=>{"type"=>"utility"}}, "pricing"=>{"billable"=>true, "pricing_model"=>"CBP", "category"=>"utility"}}]}, "field"=>"messages"}]}], "whatsapp"=>{"object"=>"whatsapp_business_account", "entry"=>[{"id"=>"332066249987383", "changes"=>[{"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"},
+
+# "statuses"=>[{"id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgARGBJBODFGN0ExNDc2NUUzODBFNTEA", "status"=>"delivered", "timestamp"=>"1715986294", "recipient_id"=>"17737898255", "conversation"=>{"id"=>"2bb8fba1d906609da4c5cbdac61f5bf1", "origin"=>{"type"=>"utility"}}, "pricing"=>{"billable"=>true, "pricing_model"=>"CBP", "category"=>"utility"}}]}, "field"=>"messages"}]}]}}
+
+
+
+
+
+# {"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"},
+
+# "statuses"=>[{"id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgARGBJBODFGN0ExNDc2NUUzODBFNTEA", "status"=>"sent", "timestamp"=>"1715986294", "recipient_id"=>"17737898255", "conversation"=>{"id"=>"2bb8fba1d906609da4c5cbdac61f5bf1", "expiration_timestamp"=>"1716070440", "origin"=>{"type"=>"utility"}}, "pricing"=>{"billable"=>true, "pricing_model"=>"CBP", "category"=>"utility"}}]}, "field"=>"messages"}]}], "whatsapp"=>{"object"=>"whatsapp_business_account", "entry"=>[{"id"=>"332066249987383", "changes"=>[{"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"},
+
+# "statuses"=>[{"id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgARGBJBODFGN0ExNDc2NUUzODBFNTEA", "status"=>"sent", "timestamp"=>"1715986294", "recipient_id"=>"17737898255", "conversation"=>{"id"=>"2bb8fba1d906609da4c5cbdac61f5bf1", "expiration_timestamp"=>"1716070440", "origin"=>{"type"=>"utility"}}, "pricing"=>{"billable"=>true, "pricing_model"=>"CBP", "category"=>"utility"}}]}, "field"=>"messages"}]}]}}
+
+
+
+
+
+# {"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"},
+
+# "statuses"=>[{"id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgARGBIzMzIyMkQ1MUJCRTRFMTcwOTEA", "status"=>"read", "timestamp"=>"1715985847", "recipient_id"=>"17737898255"}]}, "field"=>"messages"}]}], "whatsapp"=>{"object"=>"whatsapp_business_account", "entry"=>[{"id"=>"332066249987383", "changes"=>[{"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"},
+
+# "statuses"=>[{"id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgARGBIzMzIyMkQ1MUJCRTRFMTcwOTEA", "status"=>"read", "timestamp"=>"1715985847", "recipient_id"=>"17737898255"}]}, "field"=>"messages"}]}]}}
+
+
+
+
+
+# # # reply
+
+
+# {"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"}, "contacts"=>[{"profile"=>{"name"=>"Keith Schacht"}, "wa_id"=>"17737898255"}], "messages"=>[{"from"=>"17737898255", "id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgASGBQzQUFBNTU5NEVCRTFBNzlCRkY4RAA=", "timestamp"=>"1715986308", "text"=>{"body"=>"Yes"}, "type"=>"text"}]}, "field"=>"messages"}]}], "whatsapp"=>{"object"=>"whatsapp_business_account", "entry"=>[{"id"=>"332066249987383", "changes"=>[{"value"=>{"messaging_product"=>"whatsapp", "metadata"=>{"display_phone_number"=>"17372885811", "phone_number_id"=>"320958887765426"}, "contacts"=>[{"profile"=>{"name"=>"Keith Schacht"}, "wa_id"=>"17737898255"}], "messages"=>[{"from"=>"17737898255", "id"=>"wamid.HBgLMTc3Mzc4OTgyNTUVAgASGBQzQUFBNTU5NEVCRTFBNzlCRkY4RAA=", "timestamp"=>"1715986308", "text"=>{"body"=>"Yes"}, "type"=>"text"}]}, "field"=>"messages"}]}]}}

app/helpers/whatsapp_helper.rb

@@ -0,0 +1,2 @@
+module WhatsappHelper
+end

app/services/whatsapp.rb

@@ -0,0 +1,53 @@
+class Whatsapp
+  # Followed this guide: https://medium.com/@rishicentury/how-to-use-whatsapp-cloud-api-6c4b4a22fc34
+
+  def self.send(str, number: "17737898255")
+    raise "Need to specify what you want to send" if str.blank?
+
+    response = if str.is_a?(Symbol)
+      send_template(str, number)
+    else
+      send_text(str, number)
+    end
+
+    raise "Unexpected response: #{response.status} - #{response.body}" if response.status != 200
+  end
+
+  def self.send_text(text, number: "17737898255")
+    raise "Need to specify text to send" if text.blank?
+
+    response = Faraday.post("https://graph.facebook.com/v19.0/320958887765426/messages") do |req|
+      req.headers["Authorization"] = "Bearer #{Setting.whatsapp_key}"
+      req.headers["Content-Type"] = "application/json"
+      req.body = JSON.generate({
+        messaging_product: "whatsapp",
+        recipient_type: "individual",
+        to: number,
+        type: "text",
+        text: {
+          body: text
+        }
+      })
+    end
+  end
+
+  def self.send_template(name = :hello_world, number: "17737898255")
+    raise "Need to specify a template name" if name.blank?
+
+    response = Faraday.post("https://graph.facebook.com/v19.0/320958887765426/messages") do |req|
+      req.headers["Authorization"] = "Bearer #{Setting.whatsapp_key}"
+      req.headers["Content-Type"] = "application/json"
+      req.body = JSON.generate({
+        messaging_product: "whatsapp",
+        to: number,
+        type: "template",
+        template: {
+          name: name,
+          language: {
+            code: "en_US"
+          }
+        }
+      })
+    end
+  end
+end

config/options.yml

@@ -17,3 +17,4 @@ shared:
     http_header_auth_email: <%= ENV["HTTP_HEADER_AUTH_EMAIL"] || "X-WEBAUTH-EMAIL" %>
     http_header_auth_name: <%= ENV["HTTP_HEADER_AUTH_NAME"] || "X-WEBAUTH-NAME" %>
     http_header_auth_uid: <%= ENV["HTTP_HEADER_AUTH_UID"] || "X-WEBAUTH-USER" %>
+    whatsapp_key: <%= ENV["WHATSAPP_KEY"] || Rails.application.credentials[:whatsapp_key] %>

config/routes.rb

@@ -21,6 +21,8 @@
     end
   end
 
+  post "whatsapp/create" => "whatsapp#create"
+
   get "/login", to: "authentications#new"
   post "/login", to: "authentications#create"
   get "/register", to: "users#new"

test/controllers/whatsapp_controller_test.rb

@@ -0,0 +1,8 @@
+require "test_helper"
+
+class WhatsappControllerTest < ActionDispatch::IntegrationTest
+  test "should get create" do
+    get whatsapp_create_url
+    assert_response :success
+  end
+end