bravey
Version:
A simple JavaScript NLP-like library to help you creating your own bot.
35 lines (33 loc) • 1.8 kB
JavaScript
/**
* Data manipulation related functions.
* @namespace
*/
Bravey.Data = {};
/**
* Extract entities or context values with the same name from a {@link Bravey.ContextManager.testBySessionId} call result.
* @param {ContextManagerResultBySessionId} matchdata - The data returned by {@link Bravey.ContextManager.testBySessionId}.
* @param {string} entityname - The data returned by {@link Bravey.ContextManager.testBySessionId}.
* @param {string} [defaultvalue=undefined] - The matched entity value cosidered as "default". (i.e. if found, session data value is returned anyway)
* @returns {string} The matching value.
* @returns {undefined} If the entity name is not set in match or session.
*/
Bravey.Data.getEntityValue = function(matchdata, entityname, defaultvalue) {
var found;
if (matchdata) {
if ((matchdata.result !== undefined) && (matchdata.result.entitiesIndex !== undefined) && (matchdata.result.entitiesIndex[entityname] !== undefined))
found = matchdata.result.entitiesIndex[entityname].value;
if (found == defaultvalue) found = undefined;
if ((found == undefined) && (matchdata.sessionData !== undefined))
found = matchdata.sessionData[entityname];
}
return found;
}
/**
* Returns true if a {@link Bravey.ContextManager.testBySessionId} result contains the specified entity.
* @param {ContextManagerResultBySessionId} matchdata - The data returned by {@link Bravey.ContextManager.testBySessionId}.
* @param {string} entityname - The entity to be checked.
* @returns {true} When the entity is specified.
*/
Bravey.Data.isExplicit = function(matchdata, entityname) {
return (matchdata && (matchdata.result !== undefined) && (matchdata.result.entitiesIndex !== undefined) && (matchdata.result.entitiesIndex[entityname] !== undefined));
}