app_queue: new variable set when abandoned

sets the variable ABANDONED to TRUE if the call was not answered.

ASTERISK-26558

Change-Id: I4729af9bff4eba436d8a776afd3374065d0036d3

apps/app_queue.c

@@ -256,7 +256,7 @@
 			any of the join options cause the caller to not enter the queue.</para>
 			<para>This application does not automatically answer and should be preceeded
 			by an application such as Answer(), Progress(), or Ringing().</para>
-			<para>This application sets the following channel variable upon completion:</para>
+			<para>This application sets the following channel variables upon completion:</para>
 			<variablelist>
 				<variable name="QUEUESTATUS">
 					<para>The status of the call as a text string.</para>
@@ -268,6 +268,10 @@
 					<value name="LEAVEUNAVAIL" />
 					<value name="CONTINUE" />
 				</variable>
+				<variable name="ABANDONED">
+					<para>If the call was not answered by an agent this variable will be TRUE.</para>
+					<value name="TRUE" />
+				</variable>
 			</variablelist>
 		</description>
 		<see-also>
@@ -4617,6 +4621,8 @@ static void record_abandoned(struct queue_ent *qe)
 {
 	RAII_VAR(struct ast_json *, blob, NULL, ast_json_unref);
 
+	pbx_builtin_setvar_helper(qe->chan, "ABANDONED", "TRUE");
+
 	set_queue_variables(qe->parent, qe->chan);
 	ao2_lock(qe->parent);
 	blob = ast_json_pack("{s: s, s: i, s: i, s: i}",
@@ -7961,6 +7967,8 @@ static int queue_exec(struct ast_channel *chan, const char *data)
 	/* Setup our queue entry */
 	qe.start = time(NULL);
 
+	pbx_builtin_setvar_helper(chan, "ABANDONED", NULL);
+
 	/* set the expire time based on the supplied timeout; */
 	if (!ast_strlen_zero(args.queuetimeoutstr)) {
 		qe.expire = qe.start + atoi(args.queuetimeoutstr);