Numbers processing

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{
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  "formatVersion": "2",
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  "dialogue": {
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    "file": "main.dsl"
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  },
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  "nlu": {
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    "language": "en-US",
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    "skills": [
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      "common-numbers"
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    ]
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  },
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  "nlg": {
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    "type": "phrases",
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    "file": "phrasemap.json",
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    "signatureFile": "phrasemap.json"
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  },
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  "name": "numbers-app"
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}

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context {
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  input endpoint: string;
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  output numberword: number? = null;
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  output dictated: string? = null;
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}
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start node root 
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{
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    do //actions executed in this node 
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    {
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        #connectSafe($endpoint); // connecting to the phone number which is specified in index.js that it can also be in-terminal text chat
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        goto ask;
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    }
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    transitions // specifies to which nodes the conversation goes from here 
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    {
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        ask: goto ask;
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    }
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}
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node ask 
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{
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    do {
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        if ($numberword is null) {
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            #sayText("Give me a number");
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            wait *;
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        }          
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        #sayText("The number is " + $numberword.toString());
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        if ($dictated is not null) {
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            #sayText("Dictated number is " + $dictated);
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        }
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        wait *;
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    } 
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    transitions {
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        ask: goto ask on true;
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    }
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}
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preprocessor digression get_number
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{
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    conditions { on #messageHasData("numberword"); }
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    do {
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        set $numberword = #messageGetData("numberword")[0]?.value?.parseNumber();
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        return;
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    }
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}
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preprocessor digression get_dictated
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{
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    conditions { on #messageHasData("dictated"); }
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    do {
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        set $dictated = #messageGetData("dictated")[0]?.value;
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        return;
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    }
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}