@odyssoft/tsorm/lib/aliasModel.js

TypeScript ORM for MySQL

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.sql = exports.aliasModel = void 0;
const utils_1 = require("./utils");
function aliasModel(alias, name, keys, connection) {
    return {
        alias,
        keys: Object.keys(keys).map((key) => `${alias}.${key}`),
        name,
        joins: [],
        SQL() {
            return sql(alias, name, this.keys, this.joins);
        },
        join(model, join, on) {
            this.keys.push(...model.keys);
            this.joins.push(`${join} JOIN ${model.name} AS ${model.alias} ON ${(0, utils_1.parseOptions)(on, this.keys)}`);
            return Object.assign(Object.assign({}, this), { SQL() {
                    return sql(alias, name, this.keys, this.joins);
                } });
        },
        crossJoin(model, on) {
            return this.join(model, 'CROSS', on);
        },
        innerJoin(model, on) {
            return this.join(model, 'INNER', on);
        },
        leftJoin(model, on) {
            return this.join(model, 'LEFT', on);
        },
        leftOuterJoin(model, on) {
            return this.join(model, 'LEFT OUTER', on);
        },
        rightJoin(model, on) {
            return this.join(model, 'RIGHT', on);
        },
        rightOuterJoin(model, on) {
            return this.join(model, 'RIGHT OUTER', on);
        },
        select(query) {
            return connection
                .query(this.SQL().select(query))
                .then(([rows]) => rows);
        },
    };
}
exports.aliasModel = aliasModel;
function sql(alias, name, keys, joins) {
    return {
        select(query) {
            var _a, _b;
            const sql = [
                `SELECT ${(_b = (_a = query === null || query === void 0 ? void 0 : query.$columns) === null || _a === void 0 ? void 0 : _a.join(', ')) !== null && _b !== void 0 ? _b : '*'} FROM ${name} AS ${alias}`,
            ];
            joins.length && sql.push(joins.join(' '));
            (query === null || query === void 0 ? void 0 : query.$where) && sql.push(`WHERE ${(0, utils_1.parseOptions)(query.$where, keys)}`);
            (query === null || query === void 0 ? void 0 : query.$groupBy) &&
                sql.push(`GROUP BY ${Array.isArray(query.$groupBy) ? query.$groupBy.join(', ') : query.$groupBy}`);
            (query === null || query === void 0 ? void 0 : query.$orderBy) &&
                sql.push(`ORDER BY ${Array.isArray(query.$orderBy) ? query.$orderBy.join(', ') : query.$orderBy}`);
            (query === null || query === void 0 ? void 0 : query.$limit) &&
                sql.push(`LIMIT ${Array.isArray(query.$limit) ? query.$limit.join(', ') : query.$limit}`);
            return sql.join(' ');
        },
    };
}
exports.sql = sql;