telephony.scxml

<?xml version="1.0" encoding="UTF-8"?>
<scxml name="telephony" xmlns="http://www.w3.org/2005/07/scxml" version="1.0">
    <script src="archive.js"></script>
    <script src="playPick.js"></script>
    <script src="performSearch.js"></script>

    <state id="initial_default">
        <transition target="waiting_for_initial_request"/>
    </state>

    <state id="waiting_for_initial_request">
        <transition target="root_menu" event="call.start"/>
    </state>

    <state id="root_menu">
        <state id="get_pick_input">
            <onentry>
                <log label="entering root_menu"/>
                <send
                  type="http://scxml.io/httpLifecycle"
                  targetexpr="'scxml://response/' + _event.uuid"
                  event="response" >
                  <content><![CDATA[
                    <Response>
                        <Gather numDigits="1" action="number_received" method="GET">
                        {{_event.data.prependToResponse}}
                           <Say>Welcome to archive.org music service</Say>
                           <Say>Press 1 to listen to the archive dot org live music pick. Press 2 to search the archive dot org live music archive.</Say>
                        </Gather>
                        <Say>You didn't enter any input. Goodbye.</Say>
                    </Response>
                  ]]></content>
                </send>
            </onentry>
            <transition target="waiting_for_pick_input"/>
        </state>
        <state id="waiting_for_pick_input">
            <transition target="playing_pick" event="call.number_received" cond="_event.data.params.Digits === '1'"/>
            <transition target="searching" event="call.number_received" cond="_event.data.params.Digits === '2'"/>
            <transition target="get_pick_input" event="call.number_received" cond="_event.data.params.Digits !== '1' &amp;&amp; _event.data.params.Digits !== '2'">
                <log label="Entered wrong number"/>
                <script>
                <![CDATA[
                    _event.data.prependToResponse = '<Say>I did not understand your response.</Say>';
                ]]>
                </script>
            </transition>
        </state>
    </state>

    <state id="playing_pick">
        <!-- TODO: move the logic in playPack into SCXML -->
        <onentry>
            <log label="entering playing_pick"/>
            <script>
                playPick.call(this, _event.uuid);
            </script>
        </onentry>

        <!-- whatever we do, just return -->
        <transition target="root_menu" event="*"/>
    </state>

    <state id="searching">
        <datamodel>
            <data id="searchNumber"/>
            <data id="searchTerm"/>
        </datamodel>

        <state id="get_search_type_input">
            <onentry>
                <log label="entering get_search_type_input"/>
                <send
                  type="http://scxml.io/httpLifecycle"
                  targetexpr="'scxml://response/' + _event.uuid"
                  event="response" >
                  <content><![CDATA[
                    <Response>
                        {{_event.data.prependToResponse}}
                        <Gather numDigits="1" action="number_received" finishOnKey="*" method="GET">
                           <Say>Press 1 to search for an artist. Press 2 to search for a title.</Say>
                        </Gather>
                        <Say>You didn't enter any input. Goodbye.</Say>
                    </Response>
                  ]]></content>
                </send>
            </onentry>
            <transition target="waiting_search_type_input"/>
        </state>
        <state id="waiting_search_type_input">
            <transition target="receiving_search_input" event="call.number_received" cond="_event.data.params.Digits === '1' || _event.data.params.Digits === '2'"> 
                <assign location="searchNumber" expr="_event.data.params.Digits"/>
            </transition>
            <transition target="root_menu" event="call.start"/>
            <transition target="get_search_type_input" event="call.number_received" cond="_event.data.params.Digits !== '1' &amp;&amp; _event.data.params.Digits !== '2'">
                <log label="Entered wrong number"/>
                <script>
                <![CDATA[
                    _event.data.prependToResponse = '<Say>I did not understand your response.</Say>';
                ]]>
                </script>
            </transition>
        </state>
    </state>

    <state id="receiving_search_input">
        <onentry>
            <send
              type="http://scxml.io/httpLifecycle"
              targetexpr="'scxml://response/' + _event.uuid"
              event="response" >
              <content><![CDATA[
                <Response>
                    <Gather numDigits="3" action="number_received" method="GET">
                       <Say>Press the first three digits of the name to search for.</Say>
                    </Gather>
                    <Say>You didn't enter any input. Goodbye.</Say>
                </Response>
              ]]></content>
            </send>
        </onentry>

        <transition target="performing_search" event="call.number_received" cond="_event.data.params.Digits"> 
            <assign location="searchTerm" expr="_event.data.params.Digits"/>
        </transition>
    </state>

    <state id="performing_search">
        <onentry>
            <send event="wait" targetexpr="'scxml://response/' + _event.uuid" type="http://scxml.io/httpLifecycle"></send>
            <script>
                performSearch.call(this, searchNumber, searchTerm, _event.uuid);
            </script>
        </onentry>
        
        <transition target="searching" event="call.search-complete" />
        <transition target="searching" event="call.artist-not-found" />
        <transition target="receiving_search_input" event="call.invalid-digits" />
        <transition target="root_menu" event="*" />
    </state>
</scxml>