client/src/views/Problems.vue

   1 <template lang="pug">
   2 main
   3   input#modalNewprob.modal(
   4     type="checkbox"
   5     @change="fenFocusIfOpened($event)"
   6   )
   7   div#newprobDiv(
   8     role="dialog"
   9     data-checkbox="modalNewprob"
  10   )
  11     .card
  12       label#closeNewprob.modal-close(for="modalNewprob")
  13       fieldset
  14         label(for="selectVariant") {{ st.tr["Variant"] }}
  15         select#selectVariant(
  16           v-model="curproblem.vid"
  17           @change="changeVariant(curproblem)"
  18         )
  19           option(
  20             v-for="v in [emptyVar].concat(st.variants)"
  21             :value="v.id"
  22             :selected="curproblem.vid==v.id"
  23           )
  24             | {{ v.name }}
  25       fieldset
  26         input#inputFen(
  27           type="text"
  28           placeholder="FEN"
  29           v-model="curproblem.fen"
  30           @input="trySetDiagram(curproblem)"
  31         )
  32         #diagram(v-html="curproblem.diag")
  33       fieldset
  34         textarea(
  35           :placeholder="st.tr['Instructions']"
  36           v-model="curproblem.instruction"
  37         )
  38         p(v-html="parseHtml(curproblem.instruction)")
  39       fieldset
  40         textarea(
  41           :placeholder="st.tr['Solution']"
  42           v-model="curproblem.solution"
  43         )
  44         p(v-html="parseHtml(curproblem.solution)")
  45       button(@click="sendProblem()") {{ st.tr["Send"] }}
  46       #dialog.text-center {{ st.tr[infoMsg] }}
  47   .row(v-if="showOne")
  48     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  49       #topPage
  50         .button-group(v-if="st.user.id == curproblem.uid")
  51           button(@click="editProblem(curproblem)") {{ st.tr["Edit"] }}
  52           button(@click="deleteProblem(curproblem)") {{ st.tr["Delete"] }}
  53         span.vname {{ curproblem.vname }}
  54         span.uname ({{ curproblem.uname }})
  55         button.marginleft(@click="backToList()") {{ st.tr["Back to list"] }}
  56         button.nomargin(@click="gotoPrevNext($event,curproblem,1)")
  57           | {{ st.tr["Previous"] }}
  58         button.nomargin(@click="gotoPrevNext($event,curproblem,-1)")
  59           | {{ st.tr["Next_p"] }}
  60       p.oneInstructions.clickable(
  61         v-html="parseHtml(curproblem.instruction)"
  62         @click="curproblem.showSolution=!curproblem.showSolution"
  63       )
  64         | {{ st.tr["Show solution"] }}
  65       p(
  66         v-show="curproblem.showSolution"
  67         v-html="parseHtml(curproblem.solution)"
  68       )
  69   .row(v-else)
  70     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  71       #controls
  72         button#newProblem(@click="prepareNewProblem()")
  73           | {{ st.tr["New problem"] }}
  74         label(for="checkboxMine") {{ st.tr["My problems"] }}
  75         input#checkboxMine(
  76           type="checkbox"
  77           v-model="onlyMines"
  78         )
  79         label(for="selectVariant") {{ st.tr["Variant"] }}
  80         select#selectVariant(v-model="selectedVar")
  81           option(
  82             v-for="v in [emptyVar].concat(st.variants)"
  83             :value="v.id"
  84           )
  85             | {{ v.name }}
  86       table#tProblems
  87         tr
  88           th {{ st.tr["Variant"] }}
  89           th {{ st.tr["Instructions"] }}
  90           th {{ st.tr["Number"] }}
  91         tr(
  92           v-for="p in problems"
  93           v-show="displayProblem(p)"
  94           @click="setHrefPid(p)"
  95         )
  96           td {{ p.vname }}
  97           td {{ firstChars(p.instruction) }}
  98           td {{ p.id }}
  99   BaseGame(
 100     v-if="showOne"
 101     :game="game"
 102   )
 103 </template>
 104
 105 <script>
 106 import { store } from "@/store";
 107 import { ajax } from "@/utils/ajax";
 108 import { checkProblem } from "@/data/problemCheck";
 109 import { getDiagram } from "@/utils/printDiagram";
 110 import { processModalClick } from "@/utils/modalClick";
 111 import { ArrayFun } from "@/utils/array";
 112 import BaseGame from "@/components/BaseGame.vue";
 113 export default {
 114   name: "my-problems",
 115   components: {
 116     BaseGame
 117   },
 118   data: function() {
 119     return {
 120       st: store.state,
 121       emptyVar: {
 122         vid: 0,
 123         vname: ""
 124       },
 125       // Problem currently showed, or edited:
 126       curproblem: {
 127         id: 0, //used in case of edit
 128         vid: 0,
 129         fen: "",
 130         diag: "",
 131         instruction: "",
 132         solution: "",
 133         showSolution: false
 134       },
 135       loadedVar: 0, //corresponding to loaded V
 136       selectedVar: 0, //to filter problems based on variant
 137       problems: [],
 138       onlyMines: false,
 139       showOne: false,
 140       infoMsg: "",
 141       game: {
 142         players: [{ name: "Problem" }, { name: "Problem" }],
 143         mode: "analyze"
 144       }
 145     };
 146   },
 147   created: function() {
 148     ajax(
 149       "/problems",
 150       "GET",
 151       {
 152         success: (res) => {
 153           // Show newest problem first:
 154           this.problems = res.problems.sort((p1, p2) => p2.added - p1.added);
 155           if (this.st.variants.length > 0)
 156             this.problems.forEach(p => this.setVname(p));
 157           // Retrieve all problems' authors' names
 158           let names = {};
 159           this.problems.forEach(p => {
 160             if (p.uid != this.st.user.id) names[p.uid] = "";
 161             else p.uname = this.st.user.name;
 162           });
 163           const showOneIfPid = () => {
 164             const pid = this.$route.query["id"];
 165             if (pid) this.showProblem(this.problems.find(p => p.id == pid));
 166           };
 167           if (Object.keys(names).length > 0) {
 168             ajax(
 169               "/users",
 170               "GET",
 171               {
 172                 data: { ids: Object.keys(names).join(",") },
 173                 success: (res2) => {
 174                   res2.users.forEach(u => {
 175                     names[u.id] = u.name;
 176                   });
 177                   this.problems.forEach(p => {
 178                     if (!p.uname)
 179                       p.uname = names[p.uid];
 180                   });
 181                   showOneIfPid();
 182                 }
 183               }
 184             );
 185           } else showOneIfPid();
 186         }
 187       }
 188     );
 189   },
 190   mounted: function() {
 191     document.getElementById("newprobDiv")
 192       .addEventListener("click", processModalClick);
 193   },
 194   watch: {
 195     // st.variants changes only once, at loading from [] to [...]
 196     "st.variants": function() {
 197       // Set problems vname (either all are set or none)
 198       if (this.problems.length > 0 && this.problems[0].vname == "")
 199         this.problems.forEach(p => this.setVname(p));
 200     },
 201     $route: function(to) {
 202       const pid = to.query["id"];
 203       if (pid) this.showProblem(this.problems.find(p => p.id == pid));
 204       else this.showOne = false;
 205     }
 206   },
 207   methods: {
 208     fenFocusIfOpened: function(event) {
 209       if (event.target.checked) {
 210         this.infoMsg = "";
 211         document.getElementById("inputFen").focus();
 212       }
 213     },
 214     setVname: function(prob) {
 215       prob.vname = this.st.variants.find(v => v.id == prob.vid).name;
 216     },
 217     firstChars: function(text) {
 218       let preparedText = text
 219         // Replace line jumps and <br> by spaces
 220         .replace(/\n/g, " ")
 221         .replace(/<br\/?>/g, " ")
 222         .replace(/<[^>]+>/g, "") //remove remaining HTML tags
 223         .replace(/[ ]+/g, " ") //remove series of spaces by only one
 224         .trim();
 225       const maxLength = 32; //arbitrary...
 226       if (preparedText.length > maxLength)
 227         return preparedText.substr(0, 32) + "...";
 228       return preparedText;
 229     },
 230     copyProblem: function(p1, p2) {
 231       for (let key in p1) p2[key] = p1[key];
 232     },
 233     setHrefPid: function(p) {
 234       // Change href => $route changes, watcher notices, call showProblem
 235       const curHref = document.location.href;
 236       document.location.href = curHref.split("?")[0] + "?id=" + p.id;
 237     },
 238     backToList: function() {
 239       // Change href => $route change, watcher notices, reset showOne to false
 240       document.location.href = document.location.href.split("?")[0];
 241     },
 242     resetCurProb: function() {
 243       this.curproblem.id = 0;
 244       this.curproblem.uid = 0;
 245       this.curproblem.vid = "";
 246       this.curproblem.vname = "";
 247       this.curproblem.fen = "";
 248       this.curproblem.diag = "";
 249       this.curproblem.instruction = "";
 250       this.curproblem.solution = "";
 251       this.curproblem.showSolution = false;
 252     },
 253     parseHtml: function(txt) {
 254       return !txt.match(/<[/a-zA-Z]+>/)
 255         ? txt.replace(/\n/g, "<br/>") //no HTML tag
 256         : txt;
 257     },
 258     changeVariant: function(prob) {
 259       this.setVname(prob);
 260       this.loadVariant(prob.vid, () => {
 261         // Set FEN if possible (might not be correct yet)
 262         if (V.IsGoodFen(prob.fen)) this.setDiagram(prob);
 263       });
 264     },
 265     loadVariant: async function(vid, cb) {
 266       // Condition: vid is a valid variant ID
 267       this.loadedVar = 0;
 268       const variant = this.st.variants.find(v => v.id == vid);
 269       const vModule = await import("@/variants/" + variant.name + ".js");
 270       window.V = vModule.VariantRules;
 271       this.loadedVar = vid;
 272       cb();
 273     },
 274     trySetDiagram: function(prob) {
 275       // Problem edit: FEN could be wrong or incomplete,
 276       // variant could not be ready, or not defined
 277       if (prob.vid > 0 && this.loadedVar == prob.vid && V.IsGoodFen(prob.fen))
 278         this.setDiagram(prob);
 279     },
 280     setDiagram: function(prob) {
 281       // Condition: prob.fen is correct and global V is ready
 282       const parsedFen = V.ParseFen(prob.fen);
 283       const args = {
 284         position: parsedFen.position,
 285         orientation: parsedFen.turn
 286       };
 287       prob.diag = getDiagram(args);
 288     },
 289     displayProblem: function(p) {
 290       return (
 291         (!this.selectedVar || p.vid == this.selectedVar) &&
 292         ((this.onlyMines && p.uid == this.st.user.id) ||
 293           (!this.onlyMines && p.uid != this.st.user.id))
 294       );
 295     },
 296     showProblem: function(p) {
 297       this.loadVariant(p.vid, () => {
 298         // The FEN is already checked at this stage:
 299         this.game.vname = p.vname;
 300         this.game.mycolor = V.ParseFen(p.fen).turn; //diagram orientation
 301         this.game.fen = p.fen;
 302         this.$set(this.game, "fenStart", p.fen);
 303         this.copyProblem(p, this.curproblem);
 304         this.showOne = true;
 305       });
 306     },
 307     gotoPrevNext: function(e, prob, dir) {
 308       const startIdx = this.problems.findIndex(p => p.id == prob.id);
 309       let nextIdx = startIdx + dir;
 310       while (
 311         nextIdx >= 0 &&
 312         nextIdx < this.problems.length &&
 313         ((this.onlyMines && this.problems[nextIdx].uid != this.st.user.id) ||
 314           (!this.onlyMines && this.problems[nextIdx].uid == this.st.user.id))
 315       )
 316         nextIdx += dir;
 317       if (nextIdx >= 0 && nextIdx < this.problems.length)
 318         this.setHrefPid(this.problems[nextIdx]);
 319       else
 320         alert(this.st.tr["No more problems"]);
 321     },
 322     prepareNewProblem: function() {
 323       this.resetCurProb();
 324       window.doClick("modalNewprob");
 325     },
 326     sendProblem: function() {
 327       const error = checkProblem(this.curproblem);
 328       if (error) {
 329         alert(this.st.tr[error]);
 330         return;
 331       }
 332       const edit = this.curproblem.id > 0;
 333       this.infoMsg = "Processing... Please wait";
 334       ajax(
 335         "/problems",
 336         edit ? "PUT" : "POST",
 337         {
 338           data: { prob: this.curproblem },
 339           success: (ret) => {
 340             if (edit) {
 341               let editedP = this.problems.find(p => p.id == this.curproblem.id);
 342               this.copyProblem(this.curproblem, editedP);
 343               this.showProblem(editedP);
 344             }
 345             else {
 346               let newProblem = Object.assign({}, this.curproblem);
 347               newProblem.id = ret.id;
 348               newProblem.uid = this.st.user.id;
 349               newProblem.uname = this.st.user.name;
 350               this.problems = [newProblem].concat(this.problems);
 351             }
 352             document.getElementById("modalNewprob").checked = false;
 353             this.infoMsg = "";
 354           }
 355         }
 356       );
 357     },
 358     editProblem: function(prob) {
 359       // prob.diag might correspond to some other problem or be empty:
 360       this.setDiagram(prob); //V is loaded at this stage
 361       this.copyProblem(prob, this.curproblem);
 362       window.doClick("modalNewprob");
 363     },
 364     deleteProblem: function(prob) {
 365       if (confirm(this.st.tr["Are you sure?"])) {
 366         ajax(
 367           "/problems",
 368           "DELETE",
 369           {
 370             data: { id: prob.id },
 371             success: () => {
 372               ArrayFun.remove(this.problems, p => p.id == prob.id);
 373               this.backToList();
 374             }
 375           }
 376         );
 377       }
 378     }
 379   }
 380 };
 381 </script>
 382
 383 <style lang="sass" scoped>
 384 [type="checkbox"].modal+div .card
 385   max-width: 767px
 386   max-height: 100%
 387
 388 #inputFen
 389   width: 100%
 390
 391 textarea
 392   width: 100%
 393
 394 #diagram
 395   margin: 0 auto
 396   max-width: 400px
 397
 398 table#tProblems
 399   max-height: 100%
 400
 401 #controls
 402   margin: 0
 403   width: 100%
 404   text-align: center
 405   & > *
 406     margin: 0
 407
 408 p.oneInstructions
 409   margin: 0
 410   padding: 2px 5px
 411   background-color: lightgreen
 412
 413 #topPage
 414   span.vname
 415     font-weight: bold
 416     padding-left: var(--universal-margin)
 417   span.uname
 418     padding-left: var(--universal-margin)
 419   margin: 0 auto
 420   & > .nomargin
 421     margin: 0
 422   & > .marginleft
 423     margin: 0 0 0 15px
 424
 425 @media screen and (max-width: 767px)
 426   #topPage
 427     text-align: center
 428 </style>