Files
worklenz/worklenz-backend/src/cron_jobs/recurring-tasks.ts
chamikaJ 8825b0410a init
2025-04-17 18:28:54 +05:30

113 lines
5.1 KiB
TypeScript

import { CronJob } from "cron";
import { calculateNextEndDate, log_error } from "../shared/utils";
import db from "../config/db";
import { IRecurringSchedule, ITaskTemplate } from "../interfaces/recurring-tasks";
import moment from "moment";
import TasksController from "../controllers/tasks-controller";
// At 11:00+00 (4.30pm+530) on every day-of-month if it's on every day-of-week from Monday through Friday.
// const TIME = "0 11 */1 * 1-5";
const TIME = "*/2 * * * *";
const TIME_FORMAT = "YYYY-MM-DD";
// const TIME = "0 0 * * *"; // Runs at midnight every day
const log = (value: any) => console.log("recurring-task-cron-job:", value);
async function onRecurringTaskJobTick() {
try {
log("(cron) Recurring tasks job started.");
const templatesQuery = `
SELECT t.*, s.*, (SELECT MAX(end_date) FROM tasks WHERE schedule_id = s.id) as last_task_end_date
FROM task_recurring_templates t
JOIN task_recurring_schedules s ON t.schedule_id = s.id;
`;
const templatesResult = await db.query(templatesQuery);
const templates = templatesResult.rows as (ITaskTemplate & IRecurringSchedule)[];
const now = moment();
let createdTaskCount = 0;
for (const template of templates) {
const lastTaskEndDate = template.last_task_end_date
? moment(template.last_task_end_date)
: moment(template.created_at);
const futureLimit = moment(template.last_checked_at || template.created_at).add(1, "week");
let nextEndDate = calculateNextEndDate(template, lastTaskEndDate);
// Find the next future occurrence
while (nextEndDate.isSameOrBefore(now)) {
nextEndDate = calculateNextEndDate(template, nextEndDate);
}
// Only create a task if it's within the future limit
if (nextEndDate.isSameOrBefore(futureLimit)) {
const existingTaskQuery = `
SELECT id FROM tasks
WHERE schedule_id = $1 AND end_date::DATE = $2::DATE;
`;
const existingTaskResult = await db.query(existingTaskQuery, [template.schedule_id, nextEndDate.format(TIME_FORMAT)]);
if (existingTaskResult.rows.length === 0) {
const createTaskQuery = `SELECT create_quick_task($1::json) as task;`;
const taskData = {
name: template.name,
priority_id: template.priority_id,
project_id: template.project_id,
reporter_id: template.reporter_id,
status_id: template.status_id || null,
end_date: nextEndDate.format(TIME_FORMAT),
schedule_id: template.schedule_id
};
const createTaskResult = await db.query(createTaskQuery, [JSON.stringify(taskData)]);
const createdTask = createTaskResult.rows[0].task;
if (createdTask) {
createdTaskCount++;
for (const assignee of template.assignees) {
await TasksController.createTaskBulkAssignees(assignee.team_member_id, template.project_id, createdTask.id, assignee.assigned_by);
}
for (const label of template.labels) {
const q = `SELECT add_or_remove_task_label($1, $2) AS labels;`;
await db.query(q, [createdTask.id, label.label_id]);
}
console.log(`Created task for template ${template.name} with end date ${nextEndDate.format(TIME_FORMAT)}`);
}
} else {
console.log(`Skipped creating task for template ${template.name} with end date ${nextEndDate.format(TIME_FORMAT)} - task already exists`);
}
} else {
console.log(`No task created for template ${template.name} - next occurrence is beyond the future limit`);
}
// Update the last_checked_at in the schedule
const updateScheduleQuery = `
UPDATE task_recurring_schedules
SET last_checked_at = $1::DATE, last_created_task_end_date = $2
WHERE id = $3;
`;
await db.query(updateScheduleQuery, [moment(template.last_checked_at || template.created_at).add(1, "day").format(TIME_FORMAT), nextEndDate.format(TIME_FORMAT), template.schedule_id]);
}
log(`(cron) Recurring tasks job ended with ${createdTaskCount} new tasks created.`);
} catch (error) {
log_error(error);
log("(cron) Recurring task job ended with errors.");
}
}
export function startRecurringTasksJob() {
log("(cron) Recurring task job ready.");
const job = new CronJob(
TIME,
() => void onRecurringTaskJobTick(),
() => log("(cron) Recurring task job successfully executed."),
true
);
job.start();
}