X-Git-Url: https://git.auder.net/img/rock_paper_scissors_lizard_spock.gif?a=blobdiff_plain;f=client%2Fsrc%2Fviews%2FProblems.vue;h=9ce2b3fe0445a82bbf2d3e320824808d64880e90;hb=9dca2c935cebcaa3817b4f926f482f9cad4c5b53;hp=d3dfdfd2913c6a779616bec576054b393de3919c;hpb=2f258c37c19c5be20ec68695ddfaec2c21f7f0ae;p=vchess.git

diff --git a/client/src/views/Problems.vue b/client/src/views/Problems.vue
index d3dfdfd2..9ce2b3fe 100644
--- a/client/src/views/Problems.vue
+++ b/client/src/views/Problems.vue
@@ -1,8 +1,14 @@
 <template lang="pug">
 main
-  input#modalNewprob.modal(type="checkbox" @change="infoMsg=''")
-  div#newprobDiv(role="dialog" data-checkbox="modalNewprob")
-    .card(@keyup.enter="sendProblem()")
+  input#modalNewprob.modal(
+    type="checkbox"
+    @change="fenFocusIfOpened($event)"
+  )
+  div#newprobDiv(
+    role="dialog"
+    data-checkbox="modalNewprob"
+  )
+    .card
       label#closeNewprob.modal-close(for="modalNewprob")
       fieldset
         label(for="selectVariant") {{ st.tr["Variant"] }}
@@ -39,22 +45,19 @@ main
       button(@click="sendProblem()") {{ st.tr["Send"] }}
       #dialog.text-center {{ st.tr[infoMsg] }}
   .row(v-if="showOne")
-    .col-sm-12.col-md-10.col-md-offset-2
+    .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
       #topPage
+        .button-group(v-if="st.user.id == curproblem.uid")
+          button(@click="editProblem(curproblem)") {{ st.tr["Edit"] }}
+          button(@click="deleteProblem(curproblem)") {{ st.tr["Delete"] }}
         span.vname {{ curproblem.vname }}
-        span.uname {{ "(" + curproblem.uname + ")" }}
+        span.uname ({{ curproblem.uname }})
         button.marginleft(@click="backToList()") {{ st.tr["Back to list"] }}
-        button.nomargin(
-          v-if="st.user.id == curproblem.uid"
-          @click="editProblem(curproblem)"
-        )
-          | {{ st.tr["Edit"] }}
-        button.nomargin(
-          v-if="st.user.id == curproblem.uid"
-          @click="deleteProblem(curproblem)"
-        )
-          | {{ st.tr["Delete"] }}
-      p.clickable(
+        button.nomargin(@click="gotoPrevNext($event,curproblem,1)")
+          | {{ st.tr["Previous"] }}
+        button.nomargin(@click="gotoPrevNext($event,curproblem,-1)")
+          | {{ st.tr["Next_p"] }}
+      p.oneInstructions.clickable(
         v-html="parseHtml(curproblem.instruction)"
         @click="curproblem.showSolution=!curproblem.showSolution"
       )
@@ -66,13 +69,14 @@ main
   .row(v-else)
     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
       #controls
-        button#newProblem(onClick="doClick('modalNewprob')")
+        button#newProblem(@click="prepareNewProblem()")
           | {{ st.tr["New problem"] }}
-        label(for="checkboxMine") {{ st.tr["My problems"] }}
-        input#checkboxMine(
-          type="checkbox"
-          v-model="onlyMines"
-        )
+        div#myProblems(v-if="st.user.id > 0")
+          label(for="checkboxMine") {{ st.tr["My problems"] }}
+          input#checkboxMine(
+            type="checkbox"
+            v-model="onlyMine"
+          )
         label(for="selectVariant") {{ st.tr["Variant"] }}
         select#selectVariant(v-model="selectedVar")
           option(
@@ -80,20 +84,29 @@ main
             :value="v.id"
           )
             | {{ v.name }}
-      table
+      table#tProblems
         tr
           th {{ st.tr["Variant"] }}
           th {{ st.tr["Instructions"] }}
           th {{ st.tr["Number"] }}
         tr(
-          v-for="p in problems"
-          v-show="displayProblem(p)"
+          v-for="p in problems[onlyMine ? 'mine' : 'others']"
+          v-show="onlyMine || !selectedVar || p.vid == selectedVar"
           @click="setHrefPid(p)"
         )
           td {{ p.vname }}
           td {{ firstChars(p.instruction) }}
           td {{ p.id }}
-  BaseGame(v-if="showOne" :game="game" :vr="vr")
+      button#loadMoreBtn(
+        v-if="hasMore[onlyMine ? 'mine' : 'others']"
+        @click="loadMore(onlyMine ? 'mine' : 'others')"
+      )
+        | {{ st.tr["Load more"] }}
+  BaseGame(
+    ref="basegame"
+    v-if="showOne"
+    :game="game"
+  )
 </template>
 
 <script>
@@ -107,14 +120,14 @@ import BaseGame from "@/components/BaseGame.vue";
 export default {
   name: "my-problems",
   components: {
-    BaseGame,
+    BaseGame
   },
   data: function() {
     return {
       st: store.state,
       emptyVar: {
         vid: 0,
-        vname: "",
+        vname: ""
       },
       // Problem currently showed, or edited:
       curproblem: {
@@ -124,93 +137,111 @@ export default {
         diag: "",
         instruction: "",
         solution: "",
-        showSolution: false,
+        showSolution: false
       },
       loadedVar: 0, //corresponding to loaded V
       selectedVar: 0, //to filter problems based on variant
-      problems: [],
-      onlyMines: false,
+      problems: { "mine": [], "others": [] },
+      // timestamp of oldest showed problem:
+      cursor: {
+        mine: Number.MAX_SAFE_INTEGER,
+        others: Number.MAX_SAFE_INTEGER
+      },
+      // hasMore == TRUE: a priori there could be more problems to load
+      hasMore: { mine: true, others: true },
+      onlyMine: false,
       showOne: false,
       infoMsg: "",
-      vr: null, //"variant rules" object initialized from FEN
       game: {
-        players:[{name:"Problem"},{name:"Problem"}],
-        mode: "analyze",
-      },
+        players: [{ name: "Problem" }, { name: "Problem" }],
+        mode: "analyze"
+      }
     };
   },
   created: function() {
-    ajax("/problems", "GET", (res) => {
-      this.problems = res.problems;
-      if (this.st.variants.length > 0)
-        this.problems.forEach(p => this.setVname(p));
-      // Retrieve all problems' authors' names
-      let names = {};
-      this.problems.forEach(p => {
-        if (p.uid != this.st.user.id)
-          names[p.uid] = ""; //unknwon for now
-        else
-          p.uname = this.st.user.name;
-      });
-      const showOneIfPid = () => {
-        const pid = this.$route.query["id"];
-        if (!!pid)
-          this.showProblem(this.problems.find(p => p.id == pid));
-      };
-      if (Object.keys(names).length > 0)
-      {
-        ajax("/users",
-          "GET",
-          { ids: Object.keys(names).join(",") },
-          res2 => {
-            res2.users.forEach(u => {names[u.id] = u.name});
-            this.problems.forEach(p => p.uname = names[p.uid]);
-            showOneIfPid();
-          }
-        );
-      }
-      else
-        showOneIfPid();
-    });
+    const pid = this.$route.query["id"];
+    if (!!pid) this.showProblem(pid);
+    else this.loadMore("others", () => { this.loadMore("mine"); });
   },
   mounted: function() {
-    document.getElementById("newprobDiv").addEventListener("click", processModalClick);
+    document.getElementById("newprobDiv")
+      .addEventListener("click", processModalClick);
   },
   watch: {
     // st.variants changes only once, at loading from [] to [...]
-    "st.variants": function(variantArray) {
+    "st.variants": function() {
       // Set problems vname (either all are set or none)
-      if (this.problems.length > 0 && this.problems[0].vname == "")
-        this.problems.forEach(p => this.setVname(p));
+      let problems = this.problems["others"].concat(this.problems["mine"]);
+      if (problems.length > 0 && problems[0].vname == "")
+        problems.forEach(p => this.setVname(p));
     },
-    "$route": function(to, from) {
+    $route: function(to) {
       const pid = to.query["id"];
-      if (!!pid)
-        this.showProblem(this.problems.find(p => p.id == pid));
-      else
-        this.showOne = false
-    },
+      if (!!pid) this.showProblem(pid);
+      else {
+        if (this.cursor["others"] == Number.MAX_SAFE_INTEGER)
+          // Back from a single problem view at initial loading:
+          // problems lists are empty!
+          this.loadMore("others", () => { this.loadMore("mine"); });
+        this.showOne = false;
+      }
+    }
   },
   methods: {
+    fenFocusIfOpened: function(event) {
+      if (event.target.checked) {
+        this.infoMsg = "";
+        document.getElementById("inputFen").focus();
+      }
+    },
     setVname: function(prob) {
       prob.vname = this.st.variants.find(v => v.id == prob.vid).name;
     },
+    // Add vname and user names:
+    decorate: function(problems, callback) {
+      if (this.st.variants.length > 0)
+        problems.forEach(p => this.setVname(p));
+      // Retrieve all problems' authors' names
+      let names = {};
+      problems.forEach(p => {
+        if (p.uid != this.st.user.id) names[p.uid] = "";
+        else p.uname = this.st.user.name;
+      });
+      if (Object.keys(names).length > 0) {
+        ajax(
+          "/users",
+          "GET",
+          {
+            data: { ids: Object.keys(names).join(",") },
+            success: (res2) => {
+              res2.users.forEach(u => {
+                names[u.id] = u.name;
+              });
+              problems.forEach(p => {
+                if (!p.uname)
+                  p.uname = names[p.uid];
+              });
+              if (!!callback) callback();
+            }
+          }
+        );
+      } else if (!!callback) callback();
+    },
     firstChars: function(text) {
       let preparedText = text
         // Replace line jumps and <br> by spaces
-        .replace(/\n/g, " " )
-        .replace(/<br\/?>/g, " " )
+        .replace(/\n/g, " ")
+        .replace(/<br\/?>/g, " ")
         .replace(/<[^>]+>/g, "") //remove remaining HTML tags
         .replace(/[ ]+/g, " ") //remove series of spaces by only one
         .trim();
       const maxLength = 32; //arbitrary...
       if (preparedText.length > maxLength)
-        return preparedText.substr(0,32) + "...";
+        return preparedText.substr(0, 32) + "...";
       return preparedText;
     },
     copyProblem: function(p1, p2) {
-      for (let key in p1)
-        p2[key] = p1[key];
+      for (let key in p1) p2[key] = p1[key];
     },
     setHrefPid: function(p) {
       // Change href => $route changes, watcher notices, call showProblem
@@ -239,23 +270,21 @@ export default {
     },
     changeVariant: function(prob) {
       this.setVname(prob);
-      this.loadVariant(
-        prob.vid,
-        () => {
-          // Set FEN if possible (might not be correct yet)
-          if (V.IsGoodFen(prob.fen))
-            this.setDiagram(prob);
-        }
-      );
+      this.loadVariant(prob.vid, () => {
+        // Set FEN if possible (might not be correct yet)
+        if (V.IsGoodFen(prob.fen)) this.setDiagram(prob);
+      });
     },
     loadVariant: async function(vid, cb) {
       // Condition: vid is a valid variant ID
       this.loadedVar = 0;
       const variant = this.st.variants.find(v => v.id == vid);
-      const vModule = await import("@/variants/" + variant.name + ".js");
-      window.V = vModule.VariantRules;
-      this.loadedVar = vid;
-      cb();
+      await import("@/variants/" + variant.name + ".js")
+      .then((vModule) => {
+        window.V = vModule[variant.name + "Rules"];
+        this.loadedVar = vid;
+        cb();
+      });
     },
     trySetDiagram: function(prob) {
       // Problem edit: FEN could be wrong or incomplete,
@@ -268,75 +297,145 @@ export default {
       const parsedFen = V.ParseFen(prob.fen);
       const args = {
         position: parsedFen.position,
-        orientation: parsedFen.turn,
+        orientation: parsedFen.turn
       };
       prob.diag = getDiagram(args);
     },
-    displayProblem: function(p) {
-      return ((this.selectedVar == 0 || p.vid == this.selectedVar) &&
-        ((this.onlyMines && p.uid == this.st.user.id)
-          || (!this.onlyMines && p.uid != this.st.user.id)));
-    },
-    showProblem: function(p) {
-      this.loadVariant(
-        p.vid,
-        () => {
+    showProblem: function(p_id) {
+      const processWhenWeHaveProb = () => {
+        this.loadVariant(p.vid, () => {
+          this.onlyMine = (p.uid == this.st.user.id);
           // The FEN is already checked at this stage:
-          this.vr = new V(p.fen);
           this.game.vname = p.vname;
-          this.game.mycolor = this.vr.turn; //diagram orientation
+          this.game.mycolor = V.ParseFen(p.fen).turn; //diagram orientation
+          this.game.fenStart = p.fen;
           this.game.fen = p.fen;
-          this.$set(this.game, "fenStart", p.fen);
-          this.copyProblem(p, this.curproblem);
           this.showOne = true;
-        }
-      );
+          // $nextTick to be sure $refs["basegame"] exists
+          this.$nextTick(() => {
+            this.$refs["basegame"].re_setVariables(this.game); });
+          this.copyProblem(p, this.curproblem);
+        });
+      };
+      let p = undefined;
+      if (typeof p_id == "object") p = p_id;
+      else {
+        const problems = this.problems["others"].concat(this.problems["mine"]);
+        p = problems.find(prob => prob.id == p_id);
+      }
+      if (!p) {
+        // Bad luck: problem not in list. Get from server
+        ajax(
+          "/problems",
+          "GET",
+          {
+            data: { id: p_id },
+            success: (res) => {
+              this.decorate([res.problem], () => {
+                p = res.problem;
+                const mode = (p.uid == this.st.user.id ? "mine" : "others");
+                this.problems[mode].push(p);
+                processWhenWeHaveProb();
+              });
+            }
+          }
+        );
+      } else processWhenWeHaveProb();
+    },
+    gotoPrevNext: function(e, prob, dir) {
+      const mode = (this.onlyMine ? "mine" : "others");
+      const problems = this.problems[mode];
+      const startIdx = problems.findIndex(p => p.id == prob.id);
+      const nextIdx = startIdx + dir;
+      if (nextIdx >= 0 && nextIdx < problems.length)
+        this.setHrefPid(problems[nextIdx]);
+      else if (this.hasMore[mode]) this.loadMore(mode);
+      else alert(this.st.tr["No more problems"]);
+    },
+    prepareNewProblem: function() {
+      this.resetCurProb();
+      window.doClick("modalNewprob");
     },
     sendProblem: function() {
       const error = checkProblem(this.curproblem);
-      if (!!error)
-        return alert(error);
+      if (error) {
+        alert(this.st.tr[error]);
+        return;
+      }
       const edit = this.curproblem.id > 0;
       this.infoMsg = "Processing... Please wait";
       ajax(
         "/problems",
         edit ? "PUT" : "POST",
-        {prob: this.curproblem},
-        (ret) => {
-          if (edit)
-          {
-            let editedP = this.problems.find(p => p.id == this.curproblem.id);
-            this.copyProblem(this.curproblem, editedP);
-          }
-          else //new problem
-          {
-            let newProblem = Object.assign({}, this.curproblem);
-            newProblem.id = ret.id;
-            newProblem.uid = this.st.user.id;
-            newProblem.uname = this.st.user.name;
-            this.problems = this.problems.concat(newProblem);
+        {
+          data: { prob: this.curproblem },
+          success: (ret) => {
+            if (edit) {
+              let editedP = this.problems["mine"].find(p => p.id == this.curproblem.id);
+              this.copyProblem(this.curproblem, editedP);
+              this.showProblem(editedP);
+            }
+            else {
+              let newProblem = Object.assign({}, this.curproblem);
+              newProblem.id = ret.id;
+              newProblem.uid = this.st.user.id;
+              newProblem.uname = this.st.user.name;
+              this.problems["mine"] = [newProblem].concat(this.problems["mine"]);
+            }
+            document.getElementById("modalNewprob").checked = false;
+            this.infoMsg = "";
           }
-          this.resetCurProb();
-          this.infoMsg = "";
         }
       );
     },
     editProblem: function(prob) {
-      if (!prob.diag)
-        this.setDiagram(prob); //possible because V is loaded at this stage
+      // prob.diag might correspond to some other problem or be empty:
+      this.setDiagram(prob); //V is loaded at this stage
       this.copyProblem(prob, this.curproblem);
-      doClick('modalNewprob');
+      window.doClick("modalNewprob");
     },
     deleteProblem: function(prob) {
-      if (confirm(this.st.tr["Are you sure?"]))
-      {
-        ajax("/problems", "DELETE", {id:prob.id}, () => {
-          ArrayFun.remove(this.problems, p => p.id == prob.id);
-          this.backToList();
-        });
+      if (confirm(this.st.tr["Are you sure?"])) {
+        ajax(
+          "/problems",
+          "DELETE",
+          {
+            data: { id: prob.id },
+            success: () => {
+              const mode = prob.uid == (this.st.user.id ? "mine" : "others");
+              ArrayFun.remove(this.problems[mode], p => p.id == prob.id);
+              this.backToList();
+            }
+          }
+        );
       }
     },
-  },
+    loadMore: function(mode, cb) {
+      ajax(
+        "/problems",
+        "GET",
+        {
+          data: {
+            uid: this.st.user.id,
+            mode: mode,
+            cursor: this.cursor[mode]
+          },
+          success: (res) => {
+            const L = res.problems.length;
+            if (L > 0) {
+              this.cursor[mode] = res.problems[L - 1].added;
+              // Remove potential duplicates:
+              const pids = this.problems[mode].map(p => p.id);
+              ArrayFun.remove(res.problems, p => pids.includes(p.id), "all");
+              this.decorate(res.problems);
+              this.problems[mode] = this.problems[mode].concat(res.problems);
+            } else this.hasMore[mode] = false;
+            if (!!cb) cb();
+          }
+        }
+      );
+    }
+  }
 };
 </script>
 
@@ -344,13 +443,24 @@ export default {
 [type="checkbox"].modal+div .card
   max-width: 767px
   max-height: 100%
+
 #inputFen
   width: 100%
+
 textarea
   width: 100%
+
 #diagram
   margin: 0 auto
   max-width: 400px
+
+table#tProblems
+  max-height: 100%
+
+button#loadMoreBtn
+  display: block
+  margin: 0 auto
+
 #controls
   margin: 0
   width: 100%
@@ -358,6 +468,14 @@ textarea
   & > *
     margin: 0
 
+p.oneInstructions
+  margin: 0
+  padding: 2px 5px
+  background-color: lightgreen
+
+#myProblems
+  display: inline-block
+
 #topPage
   span.vname
     font-weight: bold
@@ -373,5 +491,4 @@ textarea
 @media screen and (max-width: 767px)
   #topPage
     text-align: center
-
 </style>