function SaveEntities()

in docs-samples/V4/JS/contosocafebot-luis-dialogs/lib/luisbot.js [170:221]

• 37 lines of code
• 8 McCabe index (conditional complexity)

function SaveEntities(dc, typedresult) {
    return __awaiter(this, void 0, void 0, function* () {
        // Resolve entities returned from LUIS, and save these to state
        if (typedresult.entities) {
            let datetime = typedresult.entities.datetime;
            if (datetime) {
                console.log(`datetime entity found of type ${datetime[0].type}.`);
                // Use the first date or time found in the utterance            
                if (datetime[0].timex) {
                    var timexValues = datetime[0].timex;
                    // timexValues is the array of all resolutions of datetime[0]
                    // a datetime entity detected by LUIS is resolved to timex format.
                    // More information on timex can be found here: 
                    // http://www.timeml.org/publications/timeMLdocs/timeml_1.2.1.html#timex3                                
                    // More information on the library which does the recognition can be found here: 
                    // https://github.com/Microsoft/Recognizers-Text
                    if (datetime[0].type === "datetime") {
                        var resolution = Resolver.evaluate(
                        // array of timex values to evaluate. There may be more than one: "today at 6" can be 6AM or 6PM.
                        timexValues, 
                        // Creator.evening constrains this to times between 4pm and 8pm
                        [Creator.evening]);
                        if (resolution[0]) {
                            // toNaturalLanguage takes the current date into account to create a friendly string
                            dc.activeDialog.state.dateTime = resolution[0].toNaturalLanguage(new Date());
                            // You can also use resolution.toString() to format the date/time.
                        }
                        else {
                            // time didn't satisfy constraint.
                            dc.activeDialog.state.dateTime = null;
                        }
                    }
                    else {
                        console.log(`Type ${datetime[0].type} is not yet supported. Provide both the date and the time.`);
                    }
                }
            }
            let partysize = typedresult.entities.partySize;
            if (partysize) {
                console.log(`partysize entity detected: ${partysize}`);
                // use first partySize entity that was found in utterance
                dc.activeDialog.state.partySize = partysize[0];
            }
            let cafelocation = typedresult.entities.cafeLocation;
            if (cafelocation) {
                console.log(`location entity detected: ${cafelocation}`);
                // use first cafeLocation entity that was found in utterance
                dc.activeDialog.state.cafeLocation = cafelocation[0][0];
            }
        }
    });
}