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Add fallback response for unknown or unclear user queries #65

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Add fallback response for unknown or unclear user queries #65

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23 changes: 22 additions & 1 deletion src/main/java/chatbot/rivescript/RiveScriptBot.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,13 +7,34 @@
* Created by ramgathreya on 5/11/17.
*/
public class RiveScriptBot extends RiveScript {

public RiveScriptBot() {
super();
this.loadDirectory("src/main/resources/rivescript");
this.sortReplies();
}

public String[] answer(String userId, String message) {
return Utility.split(this.reply(userId, message));

String reply = this.reply(userId, message);

// Fallback for unknown / unclear queries
if (reply == null
|| reply.trim().isEmpty()
|| reply.length() < 8
|| reply.equalsIgnoreCase("I see.")
|| reply.equalsIgnoreCase("Please go on.")
|| reply.equalsIgnoreCase("Ok.")
|| reply.contains("ERR")) {

reply = "Sorry, I didn’t quite understand that.\n" +
"You can try asking:\n" +
"- What is DBpedia?\n" +
"- Who is Albert Einstein?\n" +
"- What is RDF?\n" +
"- Tell me about Wikipedia";
}

return Utility.split(reply);
}
}