quickpostgres
Version:
An easy, beginner-friendly PostgreSQL database wrapper similar to quick.db.
61 lines • 2.39 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const get_1 = __importDefault(require("lodash/get"));
const set_1 = __importDefault(require("lodash/set"));
exports.default = async (db, params, options) => {
var _a;
// Fetch entry
let fetched = await db.query(`SELECT * FROM ${options.table} WHERE ID = ($1)`, [params.id]);
// If not found, create empty row
if (!((_a = fetched.rows) === null || _a === void 0 ? void 0 : _a.length)) {
await db.query(`INSERT INTO ${options.table} (ID,json) VALUES ($1,$2)`, [
params.id,
"{}",
]);
fetched = await db.query(`SELECT * FROM ${options.table} WHERE ID = ($1)`, [
params.id,
]);
}
// Check if a target was supplied
if (params.ops.target) {
fetched = JSON.parse(fetched.rows[0].json);
params.data = JSON.parse(params.data);
let oldValue = (0, get_1.default)(fetched, params.ops.target);
if (oldValue === undefined)
oldValue = 0;
else if (isNaN(oldValue))
throw new TypeError(`Specified value is not a number. (ID: ${params.id})`);
params.data = (0, set_1.default)(fetched, params.ops.target, oldValue + params.data);
}
else {
if (fetched.rows[0].json === "{}")
fetched.rows[0].json = 0;
else
fetched.rows[0].json = JSON.parse(fetched.rows[0].json);
if (isNaN(fetched.rows[0].json))
throw new Error(`Fetched value is not a number. (ID: ${params.id})`);
params.data = parseFloat(fetched.rows[0].json) + parseFloat(params.data);
}
// Stringify data
if (typeof params.data !== "string")
params.data = JSON.stringify(params.data);
// Update entry with new data
await db.query(`UPDATE ${options.table} SET json = ($1) WHERE ID = ($2)`, [
params.data,
params.id,
]);
// Fetch and return new data
let newData = (await db.query(`SELECT * FROM ${options.table} WHERE ID = ($1)`, [
params.id,
])).rows[0].json;
if (newData === "{}")
return null;
else {
newData = JSON.parse(newData);
return newData;
}
};
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