CartoDB-SQL-API/app/postgresql/error_handler.js

52 lines
1.5 KiB
JavaScript

var pgErrorCodes = require('./error_codes');
function ErrorHandler(err) {
this.err = err;
}
module.exports = ErrorHandler;
ErrorHandler.prototype.getName = function() {
return pgErrorCodes.codeToCondition[this.err.code] || this.err.name;
};
ErrorHandler.prototype.getMessage = function() {
var message = this.err.message;
// `57014: query_canceled` includes other queries than `statement timeout`, otherwise we could do something more
// straightforward like:
// return conditionToMessage[this.err.code] || this.err.message;
if (message && message.match(/statement timeout/)) {
message = conditionToMessage[pgErrorCodes.conditionToCode.query_canceled];
}
return message;
};
ErrorHandler.prototype.getFields = function(fields) {
fields = fields || ['detail', 'hint', 'context'];
return fields.reduce(function (previousValue, current) {
previousValue[current] = this.err[current];
return previousValue;
}.bind(this), {});
};
ErrorHandler.prototype.getStatus = function() {
var statusError = this.err.http_status || 400;
var message = this.getMessage();
if (message && message.match(/permission denied/)) {
statusError = 401;
}
return statusError;
};
var conditionToMessage = {};
conditionToMessage[pgErrorCodes.conditionToCode.query_canceled] = [
"Your query was not able to finish.",
"Either you have too many queries running or the one you are trying to run is too expensive.",
"Try again."
].join(' ');