@darwino/darwino/src/Jsql.js

A set of Javascript classes and utilities

/* 
 * (c) Copyright Darwino Inc. 2014-2017.
 */
import queryString from 'query-string';
import {fetchJson} from './Fetch';

/*
 * JSON store query builder
 */
export default class Jsql {

    constructor() {
        this._params = {};
    }

    _stringify(s) {
        return typeof s==='object' ?  JSON.stringify(s) : s;
    }

    database(database) {
        this.database = database;
        return this;
    }

    queryParams(params) {
        if(params) {
            for(let k in params) {
                if(params.hasOwnProperty(k)) {
                    if(params[k]) {
                        this._params[k] = this._stringify(params[k])
                    } else {
                        delete this._params[k];
                    }
                }
            }
        }
        return this;
    }

    name(name) {
        return this.queryParams({name});
    }

    format(format) {
        return this.queryParams({format});
    }

    query(query) {
        return this.queryParams({query});
    }

    skip(skip) {
        return this.queryParams({skip});
    }

    limit(limit) {
        return this.queryParams({limit});
    }

    params(params) {
        return this.queryParams({params});
    }
    
    fetch() {
        let url = `$darwino-jstore`
        if(this.database) {
            url += `/databases/${encodeURIComponent(this.database)}`
        }
        url += '/jsql'
        // Use POST to not have length constraints
        return fetchJson(
            url, {
                method: 'POST', 
                body: JSON.stringify(this._params||{})
            }
        );
    }
}