From: Benjamin Auder Date: Thu, 10 Jan 2019 16:23:33 +0000 (+0100) Subject: Finished problems page (untested) X-Git-Url: https://git.auder.net/%7B%7B%20asset%28%27mixstore/doc/html/app_dev.php?a=commitdiff_plain;h=936dc463c969f648ae0bc81074ff3272c7c99697;p=vchess.git Finished problems page (untested) --- diff --git a/models/Problem.js b/models/Problem.js index cdd146e7..6184eafc 100644 --- a/models/Problem.js +++ b/models/Problem.js @@ -10,11 +10,16 @@ var db = require("../utils/database"); * solution: text */ +// TODO: callback ? exports.create = function(vname, fen, instructions, solution) { db.serialize(function() { - db.get("SELECT id FROM Variants WHERE name = '" + vname + "'", (err,variant) => { - db.run( + const vidQuery = + "SELECT id " + + "FROM Variants " + + "WHERE name = '" + vname + "'"; + db.get(vidQuery, (err,variant) => { + const insertQuery = "INSERT INTO Problems (added, vid, fen, instructions, solution) VALUES " + "(" + Date.now() + "," + @@ -22,7 +27,8 @@ exports.create = function(vname, fen, instructions, solution) fen + "," + instructions + "," + solution + - ")"); + ")"; + db.run(insertQuery); }); }); } @@ -30,43 +36,59 @@ exports.create = function(vname, fen, instructions, solution) exports.getById = function(id, callback) { db.serialize(function() { - db.get( + const query = "SELECT * FROM Problems " + - "WHERE id ='" + id + "'", - callback); + "WHERE id ='" + id + "'"; + db.get(query, callback); }); } -exports.fetchN = function(vname, directionStr, lastDt, MaxNbProblems, callback) +exports.getOne = function(vname, pid, callback) { db.serialize(function() { - db.all( + const query = + "SELECT * " + + "FROM Problems " + + "WHERE id = " + pid; + db.get(query, callback); + }); +} + +exports.fetchN = function(vname, uid, type, directionStr, lastDt, MaxNbProblems, callback) +{ + db.serialize(function() { + let typeLine = ""; + if (uid > 0) + typeLine = "AND id " + (type=="others" ? "!=" : "=") + " " + uid; + const query = "SELECT * FROM Problems " + "WHERE vid = (SELECT id FROM Variants WHERE name = '" + vname + "') " + - " AND added " + directionStr + " " + lastDt + " " + + " AND added " + directionStr + " " + lastDt + " " + typeLine + " " + "ORDER BY added " + (directionStr=="<" ? "DESC " : "") + "LIMIT " + MaxNbProblems, - callback); + db.all(query, callback); }); } exports.update = function(id, uid, fen, instructions, solution) { db.serialize(function() { - db.run( + const query = "UPDATE Problems " + "fen = " + fen + ", " + "instructions = " + instructions + ", " + "solution = " + solution + " " + - "WHERE id = " + id + " AND uid = " + uid); + "WHERE id = " + id + " AND uid = " + uid; + db.run(query); }); } exports.remove = function(id, uid) { db.serialize(function() { - db.run( + const query = "DELETE FROM Problems " + - "WHERE id = " + id + " AND uid = " + uid); + "WHERE id = " + id + " AND uid = " + uid; + db.run(query); }); } diff --git a/public/javascripts/components/game.js b/public/javascripts/components/game.js index 297ccc9d..84088c05 100644 --- a/public/javascripts/components/game.js +++ b/public/javascripts/components/game.js @@ -45,6 +45,8 @@ Vue.component('my-game', {

{{ endgameMessage }}

+
+ //TODO: connection + turn indicators en haut à droite (superposé au menu) diff --git a/public/javascripts/components/problemSummary.js b/public/javascripts/components/problemSummary.js index 2c9ea94e..08109eff 100644 --- a/public/javascripts/components/problemSummary.js +++ b/public/javascripts/components/problemSummary.js @@ -11,8 +11,8 @@ Vue.component('my-problem-preview', {

{{ timestamp2date(prob.added) }}

- - + +
@@ -29,8 +29,5 @@ Vue.component('my-problem-preview', { timestamp2date(ts) { return getDate(new Date(ts)); }, - sendSignal: function(action) { - this.$emit(action + "-problem"); - }, }, }) diff --git a/public/javascripts/components/problems.js b/public/javascripts/components/problems.js index e3ab998d..897babbe 100644 --- a/public/javascripts/components/problems.js +++ b/public/javascripts/components/problems.js @@ -4,9 +4,11 @@ Vue.component('my-problems', { userId: user.id, problems: [], //oldest first myProblems: [], //same, but only mine - display: "list", //or "myList" - curIdx: -1, //index in (current) problems array + singletons: [], //requested problems (using #num) + display: "others", //or "mine" + curProb: null, //(reference to) current displayed problem (if any) showSolution: false, + pbNum: 0, //to navigate directly to some problem // New problem (to upload), or existing problem to edit: modalProb: { id: 0, //defined if it's an edit @@ -30,7 +32,7 @@ Vue.component('my-problems', { skip_next -
+

{{ curProb.instructions }} @@ -45,12 +47,22 @@ Vue.component('my-problems', { {{ curProb.solution }}

+ +
+
+ +
- @@ -104,39 +116,53 @@ Vue.component('my-problems', {
+ +
+
+ +

+ {{ nomoreMessage }} +

+
+
`, - computed: { - sortedProblems: function() { - // Newest problem first - return this.curProblems.sort((a,b) => a.added - b.added); - }, - curProb: function() { - switch (this.display) - { - case "list": - return this.problems[this.curIdx]; - case "myList": - return this.myProblems[this.curIdx]; - } - }, - }, created: function() { if (location.hash.length > 0) - { - this.getOneProblem(location.hash.slice(1)); //callback? - this.curIdx = 0; //TODO: a bit more subtle, depending if it's my problem or not (set display) - } + this.showProblem(location.hash.slice(1)); else - { - // Fetch most recent problems from server - this.fetchProblems("backward"); //TODO: backward in time from the future. Second argument? - } + this.firstFetch(); }, methods: { - setCurIndex: function(idx) { - this.curIdx = idx; - location.hash = "#" + idx; + firstFetch: function() { + // Fetch most recent problems from server, for both lists + this.fetchProblems("others", "bacwkard"); + this.fetchProblems("mine", "bacwkard"); + this.listsInitialized = true; + }, + showProblem: function(num) { + const pid = num || this.pbNum; + location.hash = "#" + pid; + const pIdx = this.singletons.findIndex(p => p.id == pid); + if (pIdx >= 0) + curProb = this.singletons[pIdx]; + else + { + // Cannot find problem in current set; get from server, and add to singletons. + ajax( + "/problems/" + variant.name + "/" + pid, //TODO: use variant._id ? + "GET", + response => { + if (!!response.problem) + { + this.singletons.push(response.problem); + this.curProb = response.problem; + } + else + this.noMoreProblems("Sorry, problem " + pid + " does not exist"); + } + ); + } }, translate: function(text) { return translations[text]; @@ -144,70 +170,102 @@ Vue.component('my-problems', { curProblems: function() { switch (this.display) { - case "list": + case "others": return this.problems; - case "myList": + case "mine": return this.myProblems; } }, // TODO?: get 50 from server but only show 10 at a time (for example) showNext: function(direction) { - if (this.curIdx < 0) - return this.fetchProblems(direction); + if (!this.curProb) + return this.fetchProblems(this.display, direction); // Show next problem (older or newer): let curProbs = this.curProblems(); - if ((this.curIdx > 0 && direction=="backward") - || (this.curIdx < curProbs.length-1 && direction=="forward")) + // Try to find a neighbour problem in the direction, among current set + const neighbor = this.findClosestNeighbor(this.curProb, curProbs, direction); + if (!!neighbor) { - this.setCurIdx(this.curIdx + (direction=="forward" ? 1 : -1)); + this.curProb = neighbor; + return; } - else //at boundary + // Boundary case: nothing in current set, need to fetch from server + const curSize = curProbs.length; + this.fetchProblems(this.display, direction); + const newSize = curProbs.length; + if (curSize == newSize) //no problems found + return this.noMoreProblems("No more problems in this direction"); + // Ok, found something: + this.curProb = this.findClosestNeighbor(this.curProb, curProbs, direction); + }, + findClosestNeighbor: function(problem, probList, direction) { + let neighbor = undefined; + let smallestDistance = Number.MAX_SAFE_INTEGER; + for (let prob of probList) { - const curSize = curProbs.length; - this.fetchProblems(direction); - const newSize = curProbs.length; - if (curSize == newSize) //no problems found - return; - switch (direction) + const delta = Math.abs(prob.id - problem.id); + if (delta < smallestDistance && + ((direction == "backward" && prob.id < problem.id) + || (direction == "forward" && prob.id > problem.id))) { - case "forward": - this.setCurIdx(this.curIdx+1); - break; - case "backward": - this.setCurIdx(newSize - curSize + this.curIdx-1); - break; + neighbor = prob; + smallestDistance = delta; } } + return neighbor; + }, + noMoreProblems: function(message) { + this.nomoreMessage = message; + let modalNomore = document.getElementById("modalNomore"); + modalNomore.checked = true; + setTimeout(() => modalNomore.checked = false, 2000); + }, + displayList: function() { + this.curProb = null; + location.hash = ""; + // Fetch problems if first call (if #num, and then lists) + if (!this.listsInitialized) + this.firstFetch(); }, toggleListDisplay: function() { - this.display = (this.display == "list" ? "myList" : "list"); + this.display = (this.display == "others" ? "mine" : "others"); }, - // TODO: modal "there are no more problems" - fetchProblems: function(direction) { - const problems = if ... this.problems ... ou this.myProblems; - if (this.problems.length == 0) - return; //what could we do?! -------> ask problems older than MAX_NUMBER + backward - // Search for newest date (or oldest) - let last_dt = this.problems[0].added; - for (let i=0; i 0) { - if ((direction == "forward" && this.problems[i].added > last_dt) || - (direction == "backward" && this.problems[i].added < last_dt)) + // Search for newest date (or oldest) + last_dt = problems[0].added; + for (let i=1; i last_dt) || + (direction == "backward" && this.problems[i].added < last_dt)) + { + last_dt = this.problems[i].added; + } } } - ajax("/problems/" + variant.name, "GET", { //TODO: use variant._id ? - direction: direction, - last_dt: last_dt, - }, response => { - if (response.problems.length > 0) + ajax( + "/problems/" + variant.name, //TODO: use variant._id ? + "GET", { - this.problems = response.problems - .sort((p1,p2) => { return p1.added - p2.added; }); - this.setCurIndex(response.problems.length - 1); + type: type, + direction: direction, + last_dt: last_dt, + }, + response => { + if (response.problems.length > 0) + { + Array.prototype.push.apply(problems, + response.problems.sort((p1,p2) => { return p1.added - p2.added; })); + // If one list is empty but not the other, show the non-empty + const otherArray = (type == "mine" ? this.problems : this.myProblems); + if (problems.length > 0 && otherArray.length == 0) + this.display = type; + } } - }); + ); }, previewProblem: function() { if (!V.IsGoodFen(this.newProblem.fen)) @@ -218,6 +276,22 @@ Vue.component('my-problems', { return alert(translations["Empty solution"]); this.modalProb.preview = true; }, + editProblem: function(prob) { + this.modalProb = prob; + document.getElementById("modal-newproblem").checked = true; + }, + deleteProblem: function(pid) { + ajax( + "/problems/" + variant.name + "/" + pid, //TODO: with variant.id ? + "DELETE", + response => { + // Delete problem from the list on client side + let problems = this.curProblems(); + const pIdx = problems.findIndex(p => p.id == pid); + problems.splice(pIdx, 1); + } + ); + }, sendProblem: function() { // Send it to the server and close modal ajax( @@ -230,17 +304,12 @@ Vue.component('my-problems', { { this.modalProb.added = Date.now(); this.modalProb.preview = false; - this.curProblems().push(JSON.parse(JSON.stringify(this.modalProb))); + this.myProblems.push(JSON.parse(JSON.stringify(this.modalProb))); } else this.modalProb.id = 0; } ); }, - // TODO: catch signal edit or delete ; on edit: modify modalProb and show modal - deleteProblem: function(pid) { - // TODO: AJAX call - // TODO: delete problem in curProblems() list - }, }, }) diff --git a/routes/problems.js b/routes/problems.js index 43258a0c..adb75dae 100644 --- a/routes/problems.js +++ b/routes/problems.js @@ -6,18 +6,34 @@ const ProblemModel = require("../models/Problem"); const sanitizeHtml = require('sanitize-html'); const MaxNbProblems = 20; +// Get one problem +router.get("/problems/:vname([a-zA-Z0-9]+)/:pnum([0-9]+)", access.ajax, (req,res) => { + const vname = req.params["vname"]; + const pnum = req.params["pnum"]; + ProblemModel.getOne(vname, pnum, (err,problem) => { + if (!!err) + return res.json(err); + return res.json({problem: problem}); + }); +}); + // Fetch N previous or next problems router.get("/problems/:vname([a-zA-Z0-9]+)", access.ajax, (req,res) => { const vname = req.params["vname"]; const directionStr = (req.query.direction == "forward" ? ">" : "<"); const lastDt = req.query.last_dt; + const type = req.query.type; if (!lastDt.match(/[0-9]+/)) return res.json({errmsg: "Bad timestamp"}); - ProblemModel.fetchN(vname, directionStr, lastDt, MaxNbProblems, (err,problems) => { - if (!!err) - return res.json(err); - return res.json({problems: problems}); - }); + if (!["others","mine"].includes(type)) + return res.json({errmsg: "Bad type"}); + ProblemModel.fetchN(vname, req.userId, type, directionStr, lastDt, MaxNbProblems, + (err,problems) => { + if (!!err) + return res.json(err); + return res.json({problems: problems}); + } + ); }); function sanitizeUserInput(fen, instructions, solution)