add support for wav files (#1452)

* add support for wav files

app/admin/cdr/cdrs.rb

@@ -175,7 +175,7 @@ def scoped_collection
     raise ActiveRecord::RecordNotFound if file.blank?
 
     response.headers['X-Accel-Redirect'] = file
-    response.headers['Content-Type'] = 'audio/mpeg'
+    response.headers['Content-Type'] = resource.call_record_ct
     head 200
   end
 

app/controllers/api/rest/admin/cdr/cdrs_controller.rb

@@ -5,6 +5,7 @@ class Api::Rest::Admin::Cdr::CdrsController < Api::Rest::Admin::BaseController
   def recording
     if @cdr.has_recording?
       response.headers['X-Accel-Redirect'] = @cdr.call_record_filename
+      response.headers['Content-Type'] = @cdr.call_record_ct
       render body: nil
     else
       head 404

app/controllers/api/rest/customer/v1/cdrs_controller.rb

@@ -6,7 +6,7 @@ class Api::Rest::Customer::V1::CdrsController < Api::Rest::Customer::V1::BaseCon
   def rec
     if current_customer.allow_listen_recording && @cdr.has_recording?
       response.headers['X-Accel-Redirect'] = @cdr.call_record_filename
-      response.headers['Content-Type'] = 'audio/mpeg'
+      response.headers['Content-Type'] = @cdr.call_record_ct
       render body: nil
     else
       head 404

app/controllers/api/rest/customer/v1/incoming_cdrs_controller.rb

@@ -6,7 +6,7 @@ class Api::Rest::Customer::V1::IncomingCdrsController < Api::Rest::Customer::V1:
   def rec
     if current_customer.allow_listen_recording && @cdr.has_recording?
       response.headers['X-Accel-Redirect'] = @cdr.call_record_filename
-      response.headers['Content-Type'] = 'audio/mpeg'
+      response.headers['Content-Type'] = @cdr.call_record_ct
       render body: nil
     else
       head 404

app/models/cdr/cdr.rb

@@ -346,7 +346,12 @@ def has_recording?
   end
 
   def call_record_filename
-    "/record/#{local_tag}.mp3" if has_recording?
+    fmt = YetiConfig.rec_format == 'wav' ? 'wav' : 'mp3'
+    "/record/#{local_tag}.#{fmt}" if has_recording?
+  end
+
+  def call_record_ct
+    YetiConfig.rec_format == 'wav' ? 'audio/wav' : 'audio/mpeg'
   end
 
   def attempts

config/initializers/_config.rb

@@ -31,6 +31,8 @@ def self.setting_files(config_root, _env)
       required(:token_lifetime).maybe(:int?)
     end
 
+    optional(:rec_format).value(Dry::Types['string'].enum('wav', 'mp3'))
+
     required(:cdr_export).schema do
       required(:dir_path).filled(:string)
       required(:delete_url).filled(:string)

spec/requests/api/rest/admin/cdr/cdrs_spec.rb

@@ -99,6 +99,7 @@
       expect(response.status).to eq 200
       expect(response.body).to be_blank
       expect(response.headers['X-Accel-Redirect']).to eq "/record/#{cdr.local_tag}.mp3"
+      expect(response.headers['Content-Type']).to eq 'audio/mpeg'
     end
 
     context 'when audio not recorded' do

spec/requests/api/rest/customer/v1/cdrs_controller_spec.rb

@@ -556,6 +556,7 @@
       expect(response.status).to eq 200
       expect(response.body).to be_blank
       expect(response.headers['X-Accel-Redirect']).to eq cdr.call_record_filename
+      expect(response.headers['Content-Type']).to eq cdr.call_record_ct
     end
 
     context 'when cdr audio not recorded' do

spec/requests/api/rest/customer/v1/incoming_cdrs_controller_spec.rb

@@ -421,6 +421,7 @@
       expect(response.status).to eq 200
       expect(response.body).to be_blank
       expect(response.headers['X-Accel-Redirect']).to eq cdr.call_record_filename
+      expect(response.headers['Content-Type']).to eq cdr.call_record_ct
     end
 
     context 'when cdr audio not recorded' do