client/src/views/Problems.vue

   1 <template lang="pug">
   2 main
   3   input#modalNewprob.modal(
   4     type="checkbox"
   5     @change="infoMsg=''"
   6   )
   7   div#newprobDiv(
   8     role="dialog"
   9     data-checkbox="modalNewprob"
  10   )
  11     .card(@keyup.enter="sendProblem()")
  12       label#closeNewprob.modal-close(for="modalNewprob")
  13       fieldset
  14         label(for="selectVariant") {{ st.tr["Variant"] }}
  15         select#selectVariant(
  16           v-model="curproblem.vid"
  17           @change="changeVariant(curproblem)"
  18         )
  19           option(
  20             v-for="v in [emptyVar].concat(st.variants)"
  21             :value="v.id"
  22             :selected="curproblem.vid==v.id"
  23           )
  24             | {{ v.name }}
  25       fieldset
  26         input#inputFen(
  27           type="text"
  28           placeholder="FEN"
  29           v-model="curproblem.fen"
  30           @input="trySetDiagram(curproblem)"
  31         )
  32         #diagram(v-html="curproblem.diag")
  33       fieldset
  34         textarea(
  35           :placeholder="st.tr['Instructions']"
  36           v-model="curproblem.instruction"
  37         )
  38         p(v-html="parseHtml(curproblem.instruction)")
  39       fieldset
  40         textarea(
  41           :placeholder="st.tr['Solution']"
  42           v-model="curproblem.solution"
  43         )
  44         p(v-html="parseHtml(curproblem.solution)")
  45       button(@click="sendProblem()") {{ st.tr["Send"] }}
  46       #dialog.text-center {{ st.tr[infoMsg] }}
  47   .row(v-if="showOne")
  48     .col-sm-12.col-md-10.col-md-offset-2
  49       #topPage
  50         span.vname {{ curproblem.vname }}
  51         span.uname ({{ curproblem.uname }})
  52         button.marginleft(@click="backToList()") {{ st.tr["Back to list"] }}
  53         button.nomargin(
  54           v-if="st.user.id == curproblem.uid"
  55           @click="editProblem(curproblem)"
  56         )
  57           | {{ st.tr["Edit"] }}
  58         button.nomargin(
  59           v-if="st.user.id == curproblem.uid"
  60           @click="deleteProblem(curproblem)"
  61         )
  62           | {{ st.tr["Delete"] }}
  63       p.clickable(
  64         v-html="parseHtml(curproblem.instruction)"
  65         @click="curproblem.showSolution=!curproblem.showSolution"
  66       )
  67         | {{ st.tr["Show solution"] }}
  68       p(
  69         v-show="curproblem.showSolution"
  70         v-html="parseHtml(curproblem.solution)"
  71       )
  72   .row(v-else)
  73     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  74       #controls
  75         button#newProblem(onClick="window.doClick('modalNewprob')")
  76           | {{ st.tr["New problem"] }}
  77         label(for="checkboxMine") {{ st.tr["My problems"] }}
  78         input#checkboxMine(
  79           type="checkbox"
  80           v-model="onlyMines"
  81         )
  82         label(for="selectVariant") {{ st.tr["Variant"] }}
  83         select#selectVariant(v-model="selectedVar")
  84           option(
  85             v-for="v in [emptyVar].concat(st.variants)"
  86             :value="v.id"
  87           )
  88             | {{ v.name }}
  89       table
  90         tr
  91           th {{ st.tr["Variant"] }}
  92           th {{ st.tr["Instructions"] }}
  93           th {{ st.tr["Number"] }}
  94         tr(
  95           v-for="p in problems"
  96           v-show="displayProblem(p)"
  97           @click="setHrefPid(p)"
  98         )
  99           td {{ p.vname }}
 100           td {{ firstChars(p.instruction) }}
 101           td {{ p.id }}
 102   BaseGame(
 103     v-if="showOne"
 104     :game="game"
 105     :vr="vr"
 106   )
 107 </template>
 108
 109 <script>
 110 import { store } from "@/store";
 111 import { ajax } from "@/utils/ajax";
 112 import { checkProblem } from "@/data/problemCheck";
 113 import { getDiagram } from "@/utils/printDiagram";
 114 import { processModalClick } from "@/utils/modalClick";
 115 import { ArrayFun } from "@/utils/array";
 116 import BaseGame from "@/components/BaseGame.vue";
 117 export default {
 118   name: "my-problems",
 119   components: {
 120     BaseGame
 121   },
 122   data: function() {
 123     return {
 124       st: store.state,
 125       emptyVar: {
 126         vid: 0,
 127         vname: ""
 128       },
 129       // Problem currently showed, or edited:
 130       curproblem: {
 131         id: 0, //used in case of edit
 132         vid: 0,
 133         fen: "",
 134         diag: "",
 135         instruction: "",
 136         solution: "",
 137         showSolution: false
 138       },
 139       loadedVar: 0, //corresponding to loaded V
 140       selectedVar: 0, //to filter problems based on variant
 141       problems: [],
 142       onlyMines: false,
 143       showOne: false,
 144       infoMsg: "",
 145       vr: null, //"variant rules" object initialized from FEN
 146       game: {
 147         players: [{ name: "Problem" }, { name: "Problem" }],
 148         mode: "analyze"
 149       }
 150     };
 151   },
 152   created: function() {
 153     ajax("/problems", "GET", res => {
 154       // Show newest problem first:
 155       this.problems = res.problems.sort((p1, p2) => p2.added - p1.added);
 156       if (this.st.variants.length > 0)
 157         this.problems.forEach(p => this.setVname(p));
 158       // Retrieve all problems' authors' names
 159       let names = {};
 160       this.problems.forEach(p => {
 161         if (p.uid != this.st.user.id) names[p.uid] = "";
 162         //unknwon for now
 163         else p.uname = this.st.user.name;
 164       });
 165       const showOneIfPid = () => {
 166         const pid = this.$route.query["id"];
 167         if (pid) this.showProblem(this.problems.find(p => p.id == pid));
 168       };
 169       if (Object.keys(names).length > 0) {
 170         ajax("/users", "GET", { ids: Object.keys(names).join(",") }, res2 => {
 171           res2.users.forEach(u => {
 172             names[u.id] = u.name;
 173           });
 174           this.problems.forEach(p => (p.uname = names[p.uid]));
 175           showOneIfPid();
 176         });
 177       } else showOneIfPid();
 178     });
 179   },
 180   mounted: function() {
 181     document
 182       .getElementById("newprobDiv")
 183       .addEventListener("click", processModalClick);
 184   },
 185   watch: {
 186     // st.variants changes only once, at loading from [] to [...]
 187     "st.variants": function() {
 188       // Set problems vname (either all are set or none)
 189       if (this.problems.length > 0 && this.problems[0].vname == "")
 190         this.problems.forEach(p => this.setVname(p));
 191     },
 192     $route: function(to) {
 193       const pid = to.query["id"];
 194       if (pid) this.showProblem(this.problems.find(p => p.id == pid));
 195       else this.showOne = false;
 196     }
 197   },
 198   methods: {
 199     setVname: function(prob) {
 200       prob.vname = this.st.variants.find(v => v.id == prob.vid).name;
 201     },
 202     firstChars: function(text) {
 203       let preparedText = text
 204         // Replace line jumps and <br> by spaces
 205         .replace(/\n/g, " ")
 206         .replace(/<br\/?>/g, " ")
 207         .replace(/<[^>]+>/g, "") //remove remaining HTML tags
 208         .replace(/[ ]+/g, " ") //remove series of spaces by only one
 209         .trim();
 210       const maxLength = 32; //arbitrary...
 211       if (preparedText.length > maxLength)
 212         return preparedText.substr(0, 32) + "...";
 213       return preparedText;
 214     },
 215     copyProblem: function(p1, p2) {
 216       for (let key in p1) p2[key] = p1[key];
 217     },
 218     setHrefPid: function(p) {
 219       // Change href => $route changes, watcher notices, call showProblem
 220       const curHref = document.location.href;
 221       document.location.href = curHref.split("?")[0] + "?id=" + p.id;
 222     },
 223     backToList: function() {
 224       // Change href => $route change, watcher notices, reset showOne to false
 225       document.location.href = document.location.href.split("?")[0];
 226     },
 227     resetCurProb: function() {
 228       this.curproblem.id = 0;
 229       this.curproblem.uid = 0;
 230       this.curproblem.vid = "";
 231       this.curproblem.vname = "";
 232       this.curproblem.fen = "";
 233       this.curproblem.diag = "";
 234       this.curproblem.instruction = "";
 235       this.curproblem.solution = "";
 236       this.curproblem.showSolution = false;
 237     },
 238     parseHtml: function(txt) {
 239       return !txt.match(/<[/a-zA-Z]+>/)
 240         ? txt.replace(/\n/g, "<br/>") //no HTML tag
 241         : txt;
 242     },
 243     changeVariant: function(prob) {
 244       this.setVname(prob);
 245       this.loadVariant(prob.vid, () => {
 246         // Set FEN if possible (might not be correct yet)
 247         if (V.IsGoodFen(prob.fen)) this.setDiagram(prob);
 248       });
 249     },
 250     loadVariant: async function(vid, cb) {
 251       // Condition: vid is a valid variant ID
 252       this.loadedVar = 0;
 253       const variant = this.st.variants.find(v => v.id == vid);
 254       const vModule = await import("@/variants/" + variant.name + ".js");
 255       window.V = vModule.VariantRules;
 256       this.loadedVar = vid;
 257       cb();
 258     },
 259     trySetDiagram: function(prob) {
 260       // Problem edit: FEN could be wrong or incomplete,
 261       // variant could not be ready, or not defined
 262       if (prob.vid > 0 && this.loadedVar == prob.vid && V.IsGoodFen(prob.fen))
 263         this.setDiagram(prob);
 264     },
 265     setDiagram: function(prob) {
 266       // Condition: prob.fen is correct and global V is ready
 267       const parsedFen = V.ParseFen(prob.fen);
 268       const args = {
 269         position: parsedFen.position,
 270         orientation: parsedFen.turn
 271       };
 272       prob.diag = getDiagram(args);
 273     },
 274     displayProblem: function(p) {
 275       return (
 276         (this.selectedVar == 0 || p.vid == this.selectedVar) &&
 277         ((this.onlyMines && p.uid == this.st.user.id) ||
 278           (!this.onlyMines && p.uid != this.st.user.id))
 279       );
 280     },
 281     showProblem: function(p) {
 282       this.loadVariant(p.vid, () => {
 283         // The FEN is already checked at this stage:
 284         this.vr = new V(p.fen);
 285         this.game.vname = p.vname;
 286         this.game.mycolor = this.vr.turn; //diagram orientation
 287         this.game.fen = p.fen;
 288         this.$set(this.game, "fenStart", p.fen);
 289         this.copyProblem(p, this.curproblem);
 290         this.showOne = true;
 291       });
 292     },
 293     sendProblem: function() {
 294       const error = checkProblem(this.curproblem);
 295       if (error) {
 296         alert(error);
 297         return;
 298       }
 299       const edit = this.curproblem.id > 0;
 300       this.infoMsg = "Processing... Please wait";
 301       ajax(
 302         "/problems",
 303         edit ? "PUT" : "POST",
 304         { prob: this.curproblem },
 305         ret => {
 306           if (edit) {
 307             let editedP = this.problems.find(p => p.id == this.curproblem.id);
 308             this.copyProblem(this.curproblem, editedP);
 309           } //new problem
 310           else {
 311             let newProblem = Object.assign({}, this.curproblem);
 312             newProblem.id = ret.id;
 313             newProblem.uid = this.st.user.id;
 314             newProblem.uname = this.st.user.name;
 315             this.problems = this.problems.concat(newProblem);
 316           }
 317           this.resetCurProb();
 318           this.infoMsg = "";
 319         }
 320       );
 321     },
 322     editProblem: function(prob) {
 323       if (!prob.diag) this.setDiagram(prob); //V is loaded at this stage
 324       this.copyProblem(prob, this.curproblem);
 325       window.doClick("modalNewprob");
 326     },
 327     deleteProblem: function(prob) {
 328       if (confirm(this.st.tr["Are you sure?"])) {
 329         ajax("/problems", "DELETE", { id: prob.id }, () => {
 330           ArrayFun.remove(this.problems, p => p.id == prob.id);
 331           this.backToList();
 332         });
 333       }
 334     }
 335   }
 336 };
 337 </script>
 338
 339 <style lang="sass" scoped>
 340 [type="checkbox"].modal+div .card
 341   max-width: 767px
 342   max-height: 100%
 343
 344 #inputFen
 345   width: 100%
 346
 347 textarea
 348   width: 100%
 349
 350 #diagram
 351   margin: 0 auto
 352   max-width: 400px
 353
 354 #controls
 355   margin: 0
 356   width: 100%
 357   text-align: center
 358   & > *
 359     margin: 0
 360
 361 #topPage
 362   span.vname
 363     font-weight: bold
 364     padding-left: var(--universal-margin)
 365   span.uname
 366     padding-left: var(--universal-margin)
 367   margin: 0 auto
 368   & > .nomargin
 369     margin: 0
 370   & > .marginleft
 371     margin: 0 0 0 15px
 372
 373 @media screen and (max-width: 767px)
 374   #topPage
 375     text-align: center
 376 </style>