@htdangkhoa/google-ads/dist/esm/QueryBuilder.js

Google Ads API client for Node.js

import deepmerge from 'deepmerge';
import { OrderDirection, QUERY } from './types.js';
export class QueryBuilder {
    constructor() {
        this._attributes = [];
        this._table = '';
        this._conditions = [];
        this._orders = [];
        this._limit = 0;
        this._parameters = {};
    }
    select(...args) {
        this._attributes.push(...args);
        return this;
    }
    from(table) {
        this._table = table;
        return this;
    }
    where(...args) {
        this._conditions.push(...args);
        return this;
    }
    orderBy(...args) {
        this._orders.push(...args);
        return this;
    }
    limit(limit) {
        this._limit = limit;
        return this;
    }
    parameters(parameters) {
        this._parameters = (deepmerge.all([this._parameters, parameters]));
        return this;
    }
    build() {
        const query = [];
        if (this._attributes.length) {
            query.push(QUERY.SELECT, this._attributes.join(', '));
        }
        if (this._table) {
            query.push(QUERY.FROM, this._table);
        }
        if (this._conditions.length) {
            query.push(QUERY.WHERE, this._conditions
                .map((condition) => `${condition.attribute} ${condition.operator} ${condition.value}`)
                .join(' AND '));
        }
        if (this._orders.length) {
            query.push(QUERY.ORDER_BY, this._orders
                .map((order) => `${order.attribute} ${order.direction || OrderDirection.ASC}`)
                .join(', '));
        }
        if (this._limit) {
            query.push(QUERY.LIMIT, this._limit);
        }
        const parameterKeys = Object.keys(this._parameters);
        if (parameterKeys.length) {
            query.push(QUERY.PARAMETERS, parameterKeys
                .map((key) => `${key} = ${this._parameters[key]}`)
                .join(', '));
        }
        return query.join(' ');
    }
}