Almost finished problems logic. TODO: showProblem() part

[vchess.git] / public / javascripts / components / problems.js

diff --git a/public/javascripts/components/problems.js b/public/javascripts/components/problems.js
index 594d6e6..dbd8340 100644 (file)
--- a/public/javascripts/components/problems.js
+++ b/public/javascripts/components/problems.js
@@ -6,14 +6,11 @@ Vue.component('my-problems', {
        },
        template: `
                <div>
-                       <button>Previous</button>
-                       <button>Next</button>
+                       <button @click="fetchProblems('backward')">Previous</button>
+                       <button @click="fetchProblems('forward')">Next</button>
                        <button @click="showNewproblemModal">New</button>
                        <my-problem-summary
-                               v-for="(p,idx) in sortedProblems",
-                               v-bind:prob="p",
-                               v-bind:key="idx",
-                               @click="showProblem(p)"
+                               v-for="(p,idx) in sortedProblems" v-bind:prob="p" v-bind:key="idx">
                        </my-problem-summary>
                        <input type="checkbox" id="modal-newproblem" class="modal">
                        <div role="dialog" aria-labelledby="newProblemTxt">
@@ -23,7 +20,8 @@ Vue.component('my-problems', {
                                        <form @submit.prevent="postNewProblem">
                                                <fieldset>
                                                        <label for="newpbFen">Fen</label>
-                                                       <input type="text" id="newpbFen" placeholder="Position [+ flags [+ turn]]"/>
+                                                       <input type="text" id="newpbFen"
+                                                               placeholder="Position [+ flags [+ turn]]"/>
                                                </fieldset>
                                                <fieldset>
                                                        <p class="emphasis">
@@ -47,8 +45,9 @@ Vue.component('my-problems', {
        `,
        computed: {
                sortedProblems: function() {
+                       console.log("call");
                        // Newest problem first
-                       return problems.sort((p1,p2) => { return p2.added - p1.added; });
+                       return this.problems.sort((p1,p2) => { return p2.added - p1.added; });
                },
                mailErrProblem: function() {
                        return "mailto:contact@vchess.club?subject=[" + variant + " problems] error";
@@ -56,26 +55,43 @@ Vue.component('my-problems', {
        },
        methods: {
                fetchProblems: function(direction) {
-                       // TODO: ajax call return list of max 10 problems
-                       // Do not do anything if no older problems (and store this result in cache!)
-                       // TODO: ajax call return list of max 10 problems
-                       // Do not do anything if no newer problems
-               },
-               showProblem: function(prob) {
-                       //TODO: send event with object prob.fen, prob.instructions, prob.solution
-                       //Event should propagate to game, which set mode=="problem" + other variables
-                       //click on a problem ==> land on variant page with mode==friend, FEN prefilled... ok
-                       // click on problem ==> masque problems, affiche game tab, launch new game Friend with
-                       //   FEN + turn + flags + rappel instructions / solution on click sous l'échiquier
+                       return; //TODO: re-activate after server side is implemented (see routes/all.js)
+                       if (this.problems.length == 0)
+                               return; //what could we do?!
+                       // Search for newest date (or oldest)
+                       let last_dt = this.problems[0].added;
+                       for (let i=0; i<this.problems.length; i++)
+                       {
+                               if ((direction == "forward" && this.problems[i].added > last_dt) ||
+                                       (direction == "backward" && this.problems[i].added < last_dt))
+                               {
+                                       last_dt = this.problems[i].added;
+                               }
+                       }
+                       ajax("/problems/" + variant, "GET", {
+                               direction: direction,
+                               last_dt: last_dt,
+                       }, response => {
+                               if (response.problems.length > 0)
+                                       this.problems = response.problems;
+                       });
                },
                showNewproblemModal: function() {
                        document.getElementById("modal-newproblem").checked = true;
                },
                postNewProblem: function() {
                        const fen = document.getElementById("newpbFen").value;
+                       if (!V.IsGoodFen(fen))
+                               return alert("Bad FEN string");
                        const instructions = document.getElementById("newpbInstructions").value;
                        const solution = document.getElementById("newpbSolution").value;
-                       
+                       ajax("/problems/" + variant, "POST", {
+                               fen: fen,
+                               instructions: instructions,
+                               solution: solution,
+                       }, response => {
+                               document.getElementById("modal-newproblem").checked = false;
+                       });
                },
        },
 })