Rozenrod
3f08f3f6c9
Додане повідомлення про оновлення застосунку Оновлен Service Worker Перероблен WebSocket APІ
293 lines
11 KiB
JavaScript
293 lines
11 KiB
JavaScript
const crypto = require('crypto');
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const db = require("../config/db");
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class StandService {
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getStand(id) {
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return new Promise((res, rej) => {
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const sql = `SELECT * FROM stand_list WHERE id = ?`;
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db.get(sql, [id], (err, row) => {
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if (err) {
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console.error(err.message);
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return res(false);
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}
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if (!row) {
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console.log({ error: "id not found" });
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return res(false);
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}
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let data = {
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"id": Number(row.id),
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"title": row.title,
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"geo": JSON.parse(row.geo),
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"hour_start": Number(row.hour_start),
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"hour_end": Number(row.hour_end),
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"quantity_sheep": Number(row.quantity_sheep),
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"week_days": JSON.parse(row.week_days),
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"processing_time": Number(row.processing_time),
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"status": row.status == 1 ? true : false,
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"updated_at": Number(row.updated_at)
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}
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return res(data);
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});
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});
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}
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getList() {
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return new Promise((res, rej) => {
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const sql = `
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SELECT
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*
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FROM
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stand_list
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ORDER BY
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id
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`;
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db.all(sql, (err, rows) => {
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if (err) {
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console.error(err.message);
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return res(false);
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} else {
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let data = rows.map((row) => {
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return {
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"id": Number(row.id),
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"title": row.title,
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"geo": JSON.parse(row.geo),
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"hour_start": Number(row.hour_start),
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"hour_end": Number(row.hour_end),
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"quantity_sheep": Number(row.quantity_sheep),
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"week_days": JSON.parse(row.week_days),
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"processing_time": Number(row.processing_time),
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"status": row.status == 1 ? true : false,
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"updated_at": Number(row.updated_at)
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}
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})
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return res(data);
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}
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});
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});
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}
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createStand(data) {
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return new Promise((res, rej) => {
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let sql = 'INSERT INTO stand_list(title, geo, hour_start, hour_end, quantity_sheep, week_days, processing_time, status, updated_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)';
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db.run(sql, [
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data.title,
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JSON.stringify(data.geo || []),
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Number(data.hour_start) || 9,
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Number(data.hour_end) || 18,
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Number(data.quantity_sheep) || 2,
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JSON.stringify(data.week_days || [1]),
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Number(data.processing_time) || 1,
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1,
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Math.floor(Date.now())
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], function (err) {
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if (err) {
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console.error(err.message);
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return res(false);
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} else {
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res({ "status": "ok", "id": this.lastID });
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}
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});
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});
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}
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updateStand(stand_id, data) {
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return new Promise((res, rej) => {
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const sql = `
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UPDATE stand_list SET
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title = COALESCE(?, title),
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geo = COALESCE(?, geo),
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hour_start = COALESCE(?, hour_start),
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hour_end = COALESCE(?, hour_end),
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quantity_sheep = COALESCE(?, quantity_sheep),
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week_days = COALESCE(?, week_days),
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status = COALESCE(?, status),
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updated_at = ?
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WHERE id = ?
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`;
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db.run(sql, [
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data.title ?? null,
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data.geo !== undefined ? JSON.stringify(data.geo) : null,
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data.hour_start !== undefined ? Number(data.hour_start) : null,
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data.hour_end !== undefined ? Number(data.hour_end) : null,
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data.quantity_sheep !== undefined ? Number(data.quantity_sheep) : null,
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data.week_days !== undefined ? JSON.stringify(data.week_days) : null,
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data.status !== undefined ? (data.status ? 1 : 0) : null,
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Date.now(),
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stand_id
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], function (err) {
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if (err) {
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console.error(err.message);
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return res(false);
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} else if (this.changes === 0) {
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return res(false);
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} else {
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res({ status: "ok", id: stand_id });
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}
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});
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});
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}
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deleteStand(stand_id) {
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return new Promise((res, rej) => {
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db.run('DELETE FROM stand_list WHERE id = ?', [stand_id], function (err) {
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if (err) {
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console.error(err.message);
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return res(false);
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} else if (this.changes === 0) {
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return res(false);
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} else {
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res({ "status": "ok", "id": stand_id });
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}
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});
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});
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}
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createSchedule(stand_id) {
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return new Promise((res, rej) => {
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let date_start;
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let getNextMonday = (ts) => {
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let date = new Date(ts);
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// следующий день после max_date
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date.setDate(date.getDate() + 1);
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// пока не понедельник – добавляем дни
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while (date.getDay() !== 1) {
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date.setDate(date.getDate() + 1);
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}
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return date.getTime();
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}
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// 1. Получаем стенд
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db.get(`SELECT * FROM stand_list WHERE id = ?`, [stand_id], (err, stand) => {
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if (err) {
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console.error(err.message);
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return res(false);
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}
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if (!stand) {
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console.log({ error: "id not found" });
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return res(false);
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}
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stand.geo = JSON.parse(stand.geo);
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stand.week_days = JSON.parse(stand.week_days)
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// 2. Берём последний date из расписания
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db.get(
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`SELECT MAX(date) AS max_date FROM stand_schedule WHERE stand_id = ?`,
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[stand.id],
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(err, row) => {
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if (err) {
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console.error(err.message);
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return res(false);
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}
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if (row && row.max_date) {
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date_start = getNextMonday(row.max_date); // заменить начальную дату
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} else {
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date_start = getNextMonday(Date.now()); // заменить начальную дату
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}
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// 3. Генерация новых записей
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const stand_length = (stand.hour_end - stand.hour_start) / stand.processing_time;
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const timestamp = Math.floor(Date.now());
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const list = [];
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for (const dayOffset of stand.week_days) {
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const stand_date = date_start + (dayOffset * 24 * 60 * 60 * 1000);
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for (let i = 0; i < stand_length; i++) {
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for (let q = 0; q < stand.quantity_sheep; q++) {
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list.push([
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stand.hour_start + (stand.processing_time * i),
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q,
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stand_date,
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stand.id,
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timestamp
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]);
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}
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}
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}
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if (list.length === 0) {
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return res({ status: "empty" });
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}
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// 4. Массовая вставка
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const placeholders = list.map(() => "(?, ?, ?, ?, ?)").join(",");
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const values = list.flat();
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const insertSQL = `
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INSERT INTO stand_schedule(hour, number_sheep, date, stand_id, updated_at)
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VALUES ${placeholders}
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`;
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db.run(insertSQL, values, function (err) {
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if (err) {
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console.error(err.message);
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return res(false);
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}
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res({ status: "ok", inserted: list.length});
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});
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}
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);
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});
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});
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}
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getScheduleList(stand_id) {
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return new Promise((res, rej) => {
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const sql = `
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SELECT
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ss.*,
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s.name AS sheep_name
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FROM
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stand_schedule AS ss
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LEFT JOIN
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sheeps AS s
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ON
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s.id = ss.sheep_id
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WHERE
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ss.stand_id = ?
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ORDER BY
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ss.id;
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`;
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db.all(sql, [stand_id], (err, rows) => {
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if (err) {
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console.error(err.message);
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return res(false);
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} else {
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let data = rows.map((row) => {
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return {
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"id": Number(row.id),
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"stand_id": Number(row.stand_id),
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"date": Number(row.date),
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"hour": Number(row.hour),
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"sheep_id": Number(row.sheep_id),
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"sheep_name": row.sheep_name,
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"number_sheep": Number(row.number_sheep),
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"updated_at": Number(row.updated_at)
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}
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})
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return res(data);
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}
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});
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});
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}
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getScheduleHistory(id) {
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return new Promise((res, rej) => {
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return res({ id });
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});
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}
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}
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module.exports = new StandService(); |