Built-in methods
The documentation applies to:
v0.8.0
What is built-in method?¶
Sometimes you see an interpolation {{ }} isn't enough function to help you manipulate a data before they translate into real value. For example: you want to insert a current date into database. So that LET Portal is building a lot of built-in methods to help you fill this.
Built-in methods Cheatsheet¶
| Method | Description | Params | Translated value | Usage |
|---|---|---|---|---|
currentDate() |
Get a current local date as UTC string | None | "Wed, 04 Mar 2020 16:54:17 GMT" | Very useful on SQL, ex: modifiedDate={{currentDate()|date}} |
currentISODate() |
Get a current local date as ISODate string | None | "2020-03-04T16:56:28.308Z" | Very useful on MongoDB, ex: modifiedDate: ISODate('{{currentISODate()}}') |
currentTick() |
Get a current local date as long tick | None | 621355967995800000 | Very useful on Timestamp field, ex: timestamp={{currentTick()|long}} |
guid() |
Generate GUID string | None | "930ac896-d2e9-4786-ae75-00c9452b8707" | Very useful on some unique field |
toJsonString(param1) |
Serialize one object to string | Param1: object|any |
"{'data':'abc'}" |
Very useful on some json string fields |