| 1 | Vue.component('my-problems', { |
| 2 | data: function () { |
| 3 | return { |
| 4 | userId: user.id, |
| 5 | problems: [], //oldest first |
| 6 | myProblems: [], //same, but only mine |
| 7 | singletons: [], //requested problems (using #num) |
| 8 | display: "others", //or "mine" |
| 9 | curProb: null, //(reference to) current displayed problem (if any) |
| 10 | showSolution: false, |
| 11 | pbNum: 0, //to navigate directly to some problem |
| 12 | // New problem (to upload), or existing problem to edit: |
| 13 | modalProb: { |
| 14 | id: 0, //defined if it's an edit |
| 15 | fen: "", |
| 16 | instructions: "", |
| 17 | solution: "", |
| 18 | preview: false, |
| 19 | }, |
| 20 | }; |
| 21 | }, |
| 22 | template: ` |
| 23 | <div class="col-sm-12 col-md-10 col-md-offset-1 col-lg-8 col-lg-offset-2"> |
| 24 | <div id="problemControls" class="button-group"> |
| 25 | <button :aria-label='translate("Previous problem(s)")' class="tooltip" @click="showNext('backward')"> |
| 26 | <i class="material-icons">skip_previous</i> |
| 27 | </button> |
| 28 | <button :aria-label='translate("Add a problem")' class="tooltip" onClick="doClick('modal-newproblem')"> |
| 29 | {{ translate("New") }} |
| 30 | </button> |
| 31 | <button :aria-label='translate("Next problem(s)")' class="tooltip" @click="showNext('forward')"> |
| 32 | <i class="material-icons">skip_next</i> |
| 33 | </button> |
| 34 | </div> |
| 35 | <div id="mainBoard" v-show="!!curProb"> |
| 36 | <div id="instructions-div" class="section-content"> |
| 37 | <p id="problem-instructions"> |
| 38 | {{ curProb.instructions }} |
| 39 | </p> |
| 40 | </div> |
| 41 | <my-game :fen="curProb.fen" :mode="analyze" :allowMovelist="true"> |
| 42 | </my-board> |
| 43 | <div id="solution-div" class="section-content"> |
| 44 | <h3 class="clickable" @click="showSolution = !showSolution"> |
| 45 | {{ translations["Show solution"] }} |
| 46 | </h3> |
| 47 | <p id="problem-solution" v-show="showSolution"> |
| 48 | {{ curProb.solution }} |
| 49 | </p> |
| 50 | </div> |
| 51 | <button @click="displayList()"> |
| 52 | <span>Back to list display</span> |
| 53 | </button> |
| 54 | </div> |
| 55 | <div> |
| 56 | <input type="text" placeholder="Type problem number" v-model="pbNum"/> |
| 57 | <button @click="showProblem()"> |
| 58 | <span>Show problem</span> |
| 59 | </button> |
| 60 | </div> |
| 61 | <button v-if="!!userId" @click="toggleListDisplay()"> |
| 62 | <span>My problems (only)</span> |
| 63 | </button> |
| 64 | <my-problem-summary v-show="!curProb" |
| 65 | v-on:edit-problem="editProblem(p)" v-on:delete-problem="deleteProblem(p.id)" |
| 66 | v-for="p in curProblems" @click="curProb=p" |
| 67 | v-bind:prob="p" v-bind:userid="userId" v-bind:key="p.id"> |
| 68 | </my-problem-summary> |
| 69 | <input type="checkbox" id="modal-newproblem" class="modal"/> |
| 70 | <div role="dialog" aria-labelledby="modalProblemTxt"> |
| 71 | <div v-show="!modalProb.preview" class="card newproblem-form"> |
| 72 | <label for="modal-newproblem" class="modal-close"> |
| 73 | </label> |
| 74 | <h3 id="modalProblemTxt"> |
| 75 | {{ translate("Add a problem") }} |
| 76 | </h3> |
| 77 | <form @submit.prevent="previewProblem()"> |
| 78 | <fieldset> |
| 79 | <label for="newpbFen">FEN</label> |
| 80 | <input id="newpbFen" type="text" v-model="modalProb.fen" |
| 81 | :placeholder='translate("Full FEN description")'/> |
| 82 | </fieldset> |
| 83 | <fieldset> |
| 84 | <p class="emphasis"> |
| 85 | {{ translate("Safe HTML tags allowed") }} |
| 86 | </p> |
| 87 | <label for="newpbInstructions"> |
| 88 | {{ translate("Instructions") }} |
| 89 | </label> |
| 90 | <textarea id="newpbInstructions" v-model="modalProb.instructions" |
| 91 | :placeholder='translate("Describe the problem goal")'> |
| 92 | </textarea> |
| 93 | <label for="newpbSolution"> |
| 94 | {{ translate("Solution") }} |
| 95 | </label> |
| 96 | <textarea id="newpbSolution" v-model="modalProb.solution" |
| 97 | :placeholder='translate("How to solve the problem?")'> |
| 98 | </textarea> |
| 99 | <button class="center-btn"> |
| 100 | {{ translate("Preview") }} |
| 101 | </button> |
| 102 | </fieldset> |
| 103 | </form> |
| 104 | </div> |
| 105 | <div v-show="modalProb.preview" class="card newproblem-preview"> |
| 106 | <label for="modal-newproblem" class="modal-close"> |
| 107 | </label> |
| 108 | <my-problem-summary v-bind:prob="modalProb" v-bind:userid="userId"> |
| 109 | </my-problem-summary> |
| 110 | <div class="button-group"> |
| 111 | <button @click="modalProb.preview=false"> |
| 112 | {{ translate("Cancel") }} |
| 113 | </button> |
| 114 | <button @click="sendProblem()"> |
| 115 | {{ translate("Send") }} |
| 116 | </button> |
| 117 | </div> |
| 118 | </div> |
| 119 | </div> |
| 120 | <input id="modalNomore" type="checkbox" class="modal"/> |
| 121 | <div role="dialog" aria-labelledby="nomoreMessage"> |
| 122 | <div class="card smallpad small-modal text-center"> |
| 123 | <label for="modalNomore" class="modal-close"></label> |
| 124 | <h3 id="nomoreMessage" class="section"> |
| 125 | {{ nomoreMessage }} |
| 126 | </h3> |
| 127 | </div> |
| 128 | </div> |
| 129 | </div> |
| 130 | `, |
| 131 | created: function() { |
| 132 | // TODO: adapt this, #problems:28 ? (for example) |
| 133 | if (location.hash.length > 0) |
| 134 | this.showProblem(location.hash.slice(1)); |
| 135 | else |
| 136 | this.firstFetch(); |
| 137 | }, |
| 138 | methods: { |
| 139 | firstFetch: function() { |
| 140 | // Fetch most recent problems from server, for both lists |
| 141 | this.fetchProblems("others", "bacwkard"); |
| 142 | this.fetchProblems("mine", "bacwkard"); |
| 143 | this.listsInitialized = true; |
| 144 | }, |
| 145 | showProblem: function(num) { |
| 146 | const pid = num || this.pbNum; |
| 147 | location.hash = "#" + pid; |
| 148 | const pIdx = this.singletons.findIndex(p => p.id == pid); |
| 149 | if (pIdx >= 0) |
| 150 | curProb = this.singletons[pIdx]; |
| 151 | else |
| 152 | { |
| 153 | // Cannot find problem in current set; get from server, and add to singletons. |
| 154 | ajax( |
| 155 | "/problems/" + variant.name + "/" + pid, //TODO: use variant._id ? |
| 156 | "GET", |
| 157 | response => { |
| 158 | if (!!response.problem) |
| 159 | { |
| 160 | this.singletons.push(response.problem); |
| 161 | this.curProb = response.problem; |
| 162 | } |
| 163 | else |
| 164 | this.noMoreProblems("Sorry, problem " + pid + " does not exist"); |
| 165 | } |
| 166 | ); |
| 167 | } |
| 168 | }, |
| 169 | translate: function(text) { |
| 170 | return translations[text]; |
| 171 | }, |
| 172 | curProblems: function() { |
| 173 | switch (this.display) |
| 174 | { |
| 175 | case "others": |
| 176 | return this.problems; |
| 177 | case "mine": |
| 178 | return this.myProblems; |
| 179 | } |
| 180 | }, |
| 181 | // TODO?: get 50 from server but only show 10 at a time (for example) |
| 182 | showNext: function(direction) { |
| 183 | if (!this.curProb) |
| 184 | return this.fetchProblems(this.display, direction); |
| 185 | // Show next problem (older or newer): |
| 186 | let curProbs = this.curProblems(); |
| 187 | // Try to find a neighbour problem in the direction, among current set |
| 188 | const neighbor = this.findClosestNeighbor(this.curProb, curProbs, direction); |
| 189 | if (!!neighbor) |
| 190 | { |
| 191 | this.curProb = neighbor; |
| 192 | return; |
| 193 | } |
| 194 | // Boundary case: nothing in current set, need to fetch from server |
| 195 | const curSize = curProbs.length; |
| 196 | this.fetchProblems(this.display, direction); |
| 197 | const newSize = curProbs.length; |
| 198 | if (curSize == newSize) //no problems found |
| 199 | return this.noMoreProblems("No more problems in this direction"); |
| 200 | // Ok, found something: |
| 201 | this.curProb = this.findClosestNeighbor(this.curProb, curProbs, direction); |
| 202 | }, |
| 203 | findClosestNeighbor: function(problem, probList, direction) { |
| 204 | let neighbor = undefined; |
| 205 | let smallestDistance = Number.MAX_SAFE_INTEGER; |
| 206 | for (let prob of probList) |
| 207 | { |
| 208 | const delta = Math.abs(prob.id - problem.id); |
| 209 | if (delta < smallestDistance && |
| 210 | ((direction == "backward" && prob.id < problem.id) |
| 211 | || (direction == "forward" && prob.id > problem.id))) |
| 212 | { |
| 213 | neighbor = prob; |
| 214 | smallestDistance = delta; |
| 215 | } |
| 216 | } |
| 217 | return neighbor; |
| 218 | }, |
| 219 | noMoreProblems: function(message) { |
| 220 | this.nomoreMessage = message; |
| 221 | let modalNomore = document.getElementById("modalNomore"); |
| 222 | modalNomore.checked = true; |
| 223 | setTimeout(() => modalNomore.checked = false, 2000); |
| 224 | }, |
| 225 | displayList: function() { |
| 226 | this.curProb = null; |
| 227 | location.hash = ""; |
| 228 | // Fetch problems if first call (if #num, and then lists) |
| 229 | if (!this.listsInitialized) |
| 230 | this.firstFetch(); |
| 231 | }, |
| 232 | toggleListDisplay: function() { |
| 233 | this.display = (this.display == "others" ? "mine" : "others"); |
| 234 | }, |
| 235 | fetchProblems: function(type, direction) { |
| 236 | let problems = (type == "others" ? this.problems : this.myProblems); |
| 237 | let last_dt = (direction=="forward" ? 0 : Number.MAX_SAFE_INTEGER); |
| 238 | if (this.problems.length > 0) |
| 239 | { |
| 240 | // Search for newest date (or oldest) |
| 241 | last_dt = problems[0].added; |
| 242 | for (let i=1; i<problems.length; i++) |
| 243 | { |
| 244 | if ((direction == "forward" && this.problems[i].added > last_dt) || |
| 245 | (direction == "backward" && this.problems[i].added < last_dt)) |
| 246 | { |
| 247 | last_dt = this.problems[i].added; |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | ajax( |
| 252 | "/problems/" + variant.name, //TODO: use variant._id ? |
| 253 | "GET", |
| 254 | { |
| 255 | type: type, |
| 256 | direction: direction, |
| 257 | last_dt: last_dt, |
| 258 | }, |
| 259 | response => { |
| 260 | if (response.problems.length > 0) |
| 261 | { |
| 262 | Array.prototype.push.apply(problems, |
| 263 | response.problems.sort((p1,p2) => { return p1.added - p2.added; })); |
| 264 | // If one list is empty but not the other, show the non-empty |
| 265 | const otherArray = (type == "mine" ? this.problems : this.myProblems); |
| 266 | if (problems.length > 0 && otherArray.length == 0) |
| 267 | this.display = type; |
| 268 | } |
| 269 | } |
| 270 | ); |
| 271 | }, |
| 272 | previewProblem: function() { |
| 273 | if (!V.IsGoodFen(this.newProblem.fen)) |
| 274 | return alert(translations["Bad FEN description"]); |
| 275 | if (this.newProblem.instructions.trim().length == 0) |
| 276 | return alert(translations["Empty instructions"]); |
| 277 | if (this.newProblem.solution.trim().length == 0) |
| 278 | return alert(translations["Empty solution"]); |
| 279 | this.modalProb.preview = true; |
| 280 | }, |
| 281 | editProblem: function(prob) { |
| 282 | this.modalProb = prob; |
| 283 | document.getElementById("modal-newproblem").checked = true; |
| 284 | }, |
| 285 | deleteProblem: function(pid) { |
| 286 | ajax( |
| 287 | "/problems/" + variant.name + "/" + pid, //TODO: with variant.id ? |
| 288 | "DELETE", |
| 289 | response => { |
| 290 | // Delete problem from the list on client side |
| 291 | let problems = this.curProblems(); |
| 292 | const pIdx = problems.findIndex(p => p.id == pid); |
| 293 | problems.splice(pIdx, 1); |
| 294 | } |
| 295 | ); |
| 296 | }, |
| 297 | sendProblem: function() { |
| 298 | // Send it to the server and close modal |
| 299 | ajax( |
| 300 | "/problems/" + variant.name, //TODO: with variant.id ? |
| 301 | (this.modalProb.id > 0 ? "PUT" : "POST"), |
| 302 | this.modalProb, |
| 303 | response => { |
| 304 | document.getElementById("modal-newproblem").checked = false; |
| 305 | if (this.modalProb.id == 0) |
| 306 | { |
| 307 | this.modalProb.added = Date.now(); |
| 308 | this.modalProb.preview = false; |
| 309 | this.myProblems.push(JSON.parse(JSON.stringify(this.modalProb))); |
| 310 | } |
| 311 | else |
| 312 | this.modalProb.id = 0; |
| 313 | } |
| 314 | ); |
| 315 | }, |
| 316 | }, |
| 317 | }) |