ffffng/server/resources/taskResource.ts

127 lines
3.5 KiB
TypeScript

import _ from "lodash";
import CONSTRAINTS from "../validation/constraints";
import ErrorTypes from "../utils/errorTypes";
import * as Resources from "../utils/resources";
import {getTasks, Task} from "../jobs/scheduler";
import {normalizeString} from "../utils/strings";
import {forConstraint} from "../validation/validator";
import {Request, Response} from "express";
import {Entity} from "../utils/resources";
const isValidId = forConstraint(CONSTRAINTS.id, false);
interface ExternalTask {
id: number,
name: string,
description: string,
schedule: string,
runningSince: number | null,
lastRunStarted: number | null,
lastRunDuration: number | null,
state: string,
enabled: boolean,
}
function toExternalTask(task: Task): ExternalTask {
return {
id: task.id,
name: task.name,
description: task.description,
schedule: task.schedule,
runningSince: task.runningSince && task.runningSince.unix(),
lastRunStarted: task.lastRunStarted && task.lastRunStarted.unix(),
lastRunDuration: task.lastRunDuration || null,
state: task.state,
enabled: task.enabled
};
}
async function withValidTaskId(req: Request): Promise<string> {
const id = normalizeString(Resources.getData(req).id);
if (!isValidId(id)) {
throw {data: 'Invalid task id.', type: ErrorTypes.badRequest};
}
return id;
}
async function getTask(id: string): Promise<Task> {
const tasks = getTasks();
const task = tasks[id];
if (!task) {
throw {data: 'Task not found.', type: ErrorTypes.notFound};
}
return task;
}
async function withTask(req: Request): Promise<Task> {
const id = await withValidTaskId(req);
return await getTask(id);
}
function setTaskEnabled(req: Request, res: Response, enable: boolean) {
withTask(req)
.then(task => {
task.enabled = enable;
Resources.success(res, toExternalTask(task))
})
.catch(err => Resources.error(res, err))
}
async function doGetAll(req: Request): Promise<{total: number, pageTasks: Entity[]}> {
const restParams = await Resources.getValidRestParams('list', null, req);
const tasks = Resources.sort(
_.values(getTasks()),
['id', 'name', 'schedule', 'state', 'runningSince', 'lastRunStarted'],
restParams
);
const filteredTasks = Resources.filter(
tasks,
['id', 'name', 'schedule', 'state'],
restParams
);
const total = filteredTasks.length;
const pageTasks = Resources.getPageEntities(filteredTasks, restParams);
return {
total,
pageTasks,
};
}
export function getAll (req: Request, res: Response): void {
doGetAll(req)
.then(({total, pageTasks}) => {
res.set('X-Total-Count', total.toString(10));
Resources.success(res, _.map(pageTasks, toExternalTask));
})
.catch(err => Resources.error(res, err));
}
export function run (req: Request, res: Response): void {
withTask(req)
.then(task => {
if (task.runningSince) {
return Resources.error(res, {data: 'Task already running.', type: ErrorTypes.conflict});
}
task.run();
Resources.success(res, toExternalTask(task));
})
.catch(err => Resources.error(res, err));
}
export function enable (req: Request, res: Response): void {
setTaskEnabled(req, res, true);
}
export function disable (req: Request, res: Response): void {
setTaskEnabled(req, res, false);
}