| 1 | // AJAX methods to get, create, update or delete a problem |
| 2 | |
| 3 | let router = require("express").Router(); |
| 4 | const access = require("../utils/access"); |
| 5 | const ProblemModel = require("../models/Problem"); |
| 6 | const sanitizeHtml = require('sanitize-html'); |
| 7 | |
| 8 | router.get("/problems", (req,res) => { |
| 9 | const probId = req.query["pid"]; |
| 10 | if (!!probId) |
| 11 | { |
| 12 | if (!probId.match(/^[0-9]+$/)) |
| 13 | return res.json({errmsg: "Wrong problem ID"}); |
| 14 | ProblemModel.getOne(req.query["pid"], (err,problem) => { |
| 15 | access.checkRequest(res, err, problem, "Problem not found", () => { |
| 16 | res.json({problem: problem}); |
| 17 | }); |
| 18 | }); |
| 19 | } |
| 20 | else |
| 21 | { |
| 22 | ProblemModel.getAll((err,problems) => { |
| 23 | res.json(err || {problems:problems}); |
| 24 | }); |
| 25 | } |
| 26 | }); |
| 27 | |
| 28 | router.post("/problems", access.logged, access.ajax, (req,res) => { |
| 29 | const error = ProblemModel.checkProblem(req.body.prob); |
| 30 | if (!!error) |
| 31 | return res.json({errmsg:error}); |
| 32 | const problem = |
| 33 | { |
| 34 | vid: req.body.prob.vid, |
| 35 | fen: req.body.prob.fen, |
| 36 | uid: req.userId, |
| 37 | instruction: sanitizeHtml(req.body.prob.instruction), |
| 38 | solution: sanitizeHtml(req.body.prob.solution), |
| 39 | }; |
| 40 | ProblemModel.create(problem, (err,ret) => { |
| 41 | return res.json(err || {pid:ret.pid}); |
| 42 | }); |
| 43 | }); |
| 44 | |
| 45 | router.put("/problems", access.logged, access.ajax, (req,res) => { |
| 46 | const pid = req.body.pid; |
| 47 | let error = ""; |
| 48 | if (!pid.toString().match(/^[0-9]+$/)) |
| 49 | error = "Wrong problem ID"; |
| 50 | let obj = req.body.newProb; |
| 51 | error = ProblemModel.checkProblem(obj); |
| 52 | obj.instruction = sanitizeHtml(obj.instruction); |
| 53 | obj.solution = sanitizeHtml(obj.solution); |
| 54 | if (!!error) |
| 55 | return res.json({errmsg: error}); |
| 56 | ProblemModel.update(pid, obj, (err) => { |
| 57 | res.json(err || {}); |
| 58 | }); |
| 59 | }); |
| 60 | |
| 61 | router.delete("/problems", access.logged, access.ajax, (req,res) => { |
| 62 | const pid = req.query.id; |
| 63 | if (!pid.match(/^[0-9]+$/)) |
| 64 | res.json({errmsg: "Bad problem ID"}); |
| 65 | ProblemModel.safeRemove(pid, req.userId, err => { |
| 66 | res.json(err || {}); |
| 67 | }); |
| 68 | }); |
| 69 | |
| 70 | module.exports = router; |