Finish NoService and NightMode

conf/autoload_configs/httapi.conf.xml

@@ -52,6 +52,7 @@
 	  <application-list default="deny">
 	    <!-- type attr can be "deny" or "allow" nothing defaults to opposite of the list default so allow in this case -->
             <application name="info"/>
+            <application name="answer"/>
 	    <application name="hangup"/>
             <application name="bridge"/>
 	  </application-list>

did_router/.env

@@ -1,2 +1,3 @@
 DATABASE_URL=postgres://freeswitch:T5NyU2NwQb5DD9oV@localhost/did_router
+SOUND_PATH=/usr/src/freeswitch_chris/sounds
 

did_router/src/httapi.rs

@@ -1,3 +1,5 @@
+use dotenvy::dotenv;
+use std::env;
 use xml_builder::{XMLBuilder, XMLElement, XMLVersion};
 use super::database as db;
 use super::database::{DidTargetType, Did};
@@ -26,17 +28,25 @@ pub fn external_number(_did: Did) -> XMLElement {
 }
 
 pub fn no_service(_did: Did) -> XMLElement {
+    dotenv().ok();
+    let sound_path = env::var("SOUND_PATH").expect("SOUND_PATH must be set");
+    let no_service_path = format!("{}/no_service.wav", sound_path);
     let mut work = XMLElement::new("work");
-    let mut playback = XMLElement::new("playback");
-    playback.add_attribute("name", "exten");
-    playback.add_attribute("file", "ivr/ivr-welcome_to_freeswitch.wav");
 
-    work.add_child(playback).unwrap();
+    add_playback(&mut work, &no_service_path);
+
     work
 }
 
 pub fn night_mode(_did: Did) -> XMLElement {
-    let work = XMLElement::new("work");
+    dotenv().ok();
+    let sound_path = env::var("SOUND_PATH").expect("SOUND_PATH must be set");
+    let night_mode_path = format!("{}/night_mode.wav", sound_path);
+
+    let mut work = XMLElement::new("work");
+
+    add_playback(&mut work, &night_mode_path);
+
     work
 }
 
@@ -45,6 +55,21 @@ pub fn custom_message(_did: Did) -> XMLElement {
     work
 }
 
+pub fn add_playback(work: &mut XMLElement ,file_path: &str) {
+    let mut answer = XMLElement::new("execute");
+    answer.add_attribute("application", "answer");
+    work.add_child(answer).unwrap();
+
+    let mut playback = XMLElement::new("playback");
+    playback.add_attribute("name", "exten");
+    playback.add_attribute("file", &file_path);
+    work.add_child(playback).unwrap();
+
+    let mut hangup = XMLElement::new("execute");
+    hangup.add_attribute("application", "hangup");
+    work.add_child(hangup).unwrap();
+}
+
 pub fn route_call(did: String) -> Vec<u8> {
     let d = db::get_did_by(&did).unwrap();
     let mut xml = XMLBuilder::new()