client/src/views/News.vue

   1 <template lang="pug">
   2 main
   3   input#modalNews.modal(type="checkbox")
   4   div#newnewsDiv(
   5     role="dialog"
   6     data-checkbox="modalNews"
   7   )
   8     .card#writeNews
   9       label.modal-close(for="modalNews")
  10       textarea#newsContent(
  11         v-model="curnews.content"
  12         :placeholder="st.tr['News go here']"
  13         @input="adjustHeight"
  14       )
  15       button(@click="sendNews()") {{ st.tr["Send"] }}
  16       #dialog.text-center {{ st.tr[infoMsg] }}
  17   .row
  18     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  19       button#writeNewsBtn(
  20         v-if="devTeam"
  21         @click="showModalNews"
  22       )
  23         | {{ st.tr["Write news"] }}
  24       .news(
  25         v-for="n,idx in newsList"
  26         :id="'n' + n.id"
  27         :class="{margintop:idx>0}"
  28       )
  29         span.ndt {{ formatDatetime(n.added) }}
  30         .dev-buttons(v-if="devTeam")
  31           button(@click="editNews(n)") {{ st.tr["Edit"] }}
  32           button(@click="deleteNews(n)") {{ st.tr["Delete"] }}
  33         button(@click="gotoPrevNext(n, 1)") {{ st.tr["Previous_n"] }}
  34         button(@click="gotoPrevNext(n, -1)") {{ st.tr["Next_n"] }}
  35         .news-content(v-html="parseHtml(n.content)")
  36       button#loadMoreBtn(
  37         v-if="hasMore"
  38         @click="loadMore()"
  39       )
  40         | {{ st.tr["Load more"] }}
  41 </template>
  42
  43 <script>
  44 import { store } from "@/store";
  45 import { ajax } from "@/utils/ajax";
  46 import params from "@/parameters";
  47 import { getDate, getTime } from "@/utils/datetime";
  48 import { processModalClick } from "@/utils/modalClick";
  49 export default {
  50   name: "my-news",
  51   data: function() {
  52     return {
  53       st: store.state,
  54       // timestamp of oldest showed news:
  55       cursor: Number.MAX_SAFE_INTEGER,
  56       // hasMore == TRUE: a priori there could be more news to load
  57       hasMore: true,
  58       curnews: { id: 0, content: "" },
  59       newsList: [],
  60       infoMsg: ""
  61     };
  62   },
  63   computed: {
  64     devTeam: function() {
  65       return params.devs.includes(this.st.user.id);
  66     }
  67   },
  68   created: function() {
  69     ajax(
  70       "/news",
  71       "GET",
  72       {
  73         data: { cursor: this.cursor },
  74         success: (res) => {
  75           // The returned list is sorted from most recent to oldest
  76           this.newsList = res.newsList;
  77           const L = res.newsList.length;
  78           if (L > 0) this.cursor = res.newsList[L - 1].added;
  79           else this.hasMore = false;
  80         }
  81       }
  82     );
  83   },
  84   mounted: function() {
  85     // Mark that I've read the news:
  86     localStorage.setItem("newsRead", Date.now());
  87     if (this.st.user.id > 0) ajax("/newsread", "PUT");
  88     document.getElementById("newsMenu").classList.remove("somenews");
  89     document
  90       .getElementById("newnewsDiv")
  91       .addEventListener("click", processModalClick);
  92   },
  93   methods: {
  94     formatDatetime: function(dt) {
  95       const dtObj = new Date(dt);
  96       const timePart = getTime(dtObj);
  97       // Show minutes but not seconds:
  98       return (
  99         getDate(dtObj) + " " + timePart.substr(0, timePart.lastIndexOf(":"))
 100       );
 101     },
 102     parseHtml: function(txt) {
 103       return !txt.match(/<[/a-zA-Z]+>/)
 104         ? txt.replace(/\n/g, "<br/>") //no HTML tag
 105         : txt;
 106     },
 107     adjustHeight: function() {
 108       const newsContent = document.getElementById("newsContent");
 109       // https://stackoverflow.com/a/995374
 110       newsContent.style.height = "1px";
 111       newsContent.style.height = 10 + newsContent.scrollHeight + "px";
 112     },
 113     resetCurnews: function() {
 114       this.curnews.id = 0;
 115       this.curnews.content = "";
 116       // No need for added and uid fields: never updated
 117     },
 118     gotoPrevNext: function(n, dir) {
 119       document.getElementById("n" + n.id)[
 120         (dir < 0 ? "previous" : "next") + "ElementSibling"].scrollIntoView();
 121     },
 122     showModalNews: function() {
 123       this.resetCurnews();
 124       window.doClick("modalNews");
 125     },
 126     sendNews: function() {
 127       const edit = this.curnews.id > 0;
 128       this.infoMsg = "Processing... Please wait";
 129       ajax(
 130         "/news",
 131         edit ? "PUT" : "POST",
 132         {
 133           data: { news: this.curnews },
 134           success: (res) => {
 135             if (edit) {
 136               let n = this.newsList.find(n => n.id == this.curnews.id);
 137               if (!!n) n.content = this.curnews.content;
 138             } else {
 139               const newNews = {
 140                 content: this.curnews.content,
 141                 added: Date.now(),
 142                 uid: this.st.user.id,
 143                 id: res.id
 144               };
 145               this.newsList = [newNews].concat(this.newsList);
 146             }
 147             document.getElementById("modalNews").checked = false;
 148             this.infoMsg = "";
 149             this.resetCurnews();
 150           }
 151         }
 152       );
 153     },
 154     editNews: function(n) {
 155       this.curnews.content = n.content;
 156       this.curnews.id = n.id;
 157       // No need for added and uid fields: never updated
 158       window.doClick("modalNews");
 159     },
 160     deleteNews: function(n) {
 161       if (confirm(this.st.tr["Are you sure?"])) {
 162         this.infoMsg = "Processing... Please wait";
 163         ajax(
 164           "/news",
 165           "DELETE",
 166           {
 167             data: { id: n.id },
 168             success: () => {
 169               const nIdx = this.newsList.findIndex(nw => nw.id == n.id);
 170               this.newsList.splice(nIdx, 1);
 171               this.infoMsg = "";
 172               document.getElementById("modalNews").checked = false;
 173             }
 174           }
 175         );
 176       }
 177     },
 178     loadMore: function() {
 179       ajax(
 180         "/news",
 181         "GET",
 182         {
 183           data: { cursor: this.cursor },
 184           success: (res) => {
 185             const L = res.newsList.length;
 186             if (L > 0) {
 187               this.newsList = this.newsList.concat(res.newsList);
 188               this.cursor = res.newsList[L - 1].added;
 189             } else this.hasMore = false;
 190           }
 191         }
 192       );
 193     }
 194   }
 195 };
 196 </script>
 197
 198 <style lang="sass" scoped>
 199 [type="checkbox"].modal+div .card
 200   max-width: 767px
 201   max-height: 100%
 202
 203 textarea#newsContent
 204   margin: 0
 205   width: 100%
 206   min-height: 200px
 207   max-height: 100%
 208
 209 #dialog
 210   padding: 5px
 211   color: blue
 212
 213 #writeNews
 214   padding-top: 50px
 215
 216 button#writeNewsBtn, button#loadMoreBtn
 217   margin-top: 0
 218   margin-bottom: 0
 219
 220 span.ndt
 221   color: darkblue
 222   padding: 0 5px 0 var(--universal-margin)
 223
 224 .margintop
 225   margin-top: 25px
 226   border-top: 1px solid grey
 227 @media screen and (max-width: 767px)
 228   .margintop
 229     margin-top: 10px
 230 </style>
 231
 232 <style lang="sass">
 233 .news
 234   padding-top: 10px
 235   & > .dev-buttons
 236     display: inline-block
 237   & > .news-content
 238     margin: var(--universal-margin)
 239     & > p
 240       margin: 10px 0
 241     & > br
 242       display: block
 243       margin-top: 10px
 244       content: " "
 245 </style>