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="devs.includes(st.user.id)"
  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="devs.includes(st.user.id)")
  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 { getDate, getTime } from "@/utils/datetime";
  47 import { processModalClick } from "@/utils/modalClick";
  48 export default {
  49   name: "my-news",
  50   data: function() {
  51     return {
  52       devs: [1], //for now the only dev is me
  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   created: function() {
  64     ajax(
  65       "/news",
  66       "GET",
  67       {
  68         data: { cursor: this.cursor },
  69         success: (res) => {
  70           // The returned list is sorted from most recent to oldest
  71           this.newsList = res.newsList;
  72           const L = res.newsList.length;
  73           if (L > 0) this.cursor = res.newsList[L - 1].added;
  74           else this.hasMore = false;
  75         }
  76       }
  77     );
  78   },
  79   mounted: function() {
  80     // Mark that I've read the news:
  81     localStorage.setItem("newsRead", Date.now());
  82     if (this.st.user.id > 0) ajax("/newsread", "PUT");
  83     document.getElementById("newsMenu").classList.remove("somenews");
  84     document
  85       .getElementById("newnewsDiv")
  86       .addEventListener("click", processModalClick);
  87   },
  88   methods: {
  89     formatDatetime: function(dt) {
  90       const dtObj = new Date(dt);
  91       const timePart = getTime(dtObj);
  92       // Show minutes but not seconds:
  93       return (
  94         getDate(dtObj) + " " + timePart.substr(0, timePart.lastIndexOf(":"))
  95       );
  96     },
  97     parseHtml: function(txt) {
  98       return !txt.match(/<[/a-zA-Z]+>/)
  99         ? txt.replace(/\n/g, "<br/>") //no HTML tag
 100         : txt;
 101     },
 102     adjustHeight: function() {
 103       const newsContent = document.getElementById("newsContent");
 104       // https://stackoverflow.com/a/995374
 105       newsContent.style.height = "1px";
 106       newsContent.style.height = 10 + newsContent.scrollHeight + "px";
 107     },
 108     resetCurnews: function() {
 109       this.curnews.id = 0;
 110       this.curnews.content = "";
 111       // No need for added and uid fields: never updated
 112     },
 113     gotoPrevNext: function(n, dir) {
 114       document.getElementById("n" + n.id)[
 115         (dir < 0 ? "previous" : "next") + "ElementSibling"].scrollIntoView();
 116     },
 117     showModalNews: function() {
 118       this.resetCurnews();
 119       window.doClick("modalNews");
 120     },
 121     sendNews: function() {
 122       const edit = this.curnews.id > 0;
 123       this.infoMsg = "Processing... Please wait";
 124       ajax(
 125         "/news",
 126         edit ? "PUT" : "POST",
 127         {
 128           data: { news: this.curnews },
 129           success: (res) => {
 130             if (edit) {
 131               let n = this.newsList.find(n => n.id == this.curnews.id);
 132               if (!!n) n.content = this.curnews.content;
 133             } else {
 134               const newNews = {
 135                 content: this.curnews.content,
 136                 added: Date.now(),
 137                 uid: this.st.user.id,
 138                 id: res.id
 139               };
 140               this.newsList = [newNews].concat(this.newsList);
 141             }
 142             document.getElementById("modalNews").checked = false;
 143             this.infoMsg = "";
 144             this.resetCurnews();
 145           }
 146         }
 147       );
 148     },
 149     editNews: function(n) {
 150       this.curnews.content = n.content;
 151       this.curnews.id = n.id;
 152       // No need for added and uid fields: never updated
 153       window.doClick("modalNews");
 154     },
 155     deleteNews: function(n) {
 156       if (confirm(this.st.tr["Are you sure?"])) {
 157         this.infoMsg = "Processing... Please wait";
 158         ajax(
 159           "/news",
 160           "DELETE",
 161           {
 162             data: { id: n.id },
 163             success: () => {
 164               const nIdx = this.newsList.findIndex(nw => nw.id == n.id);
 165               this.newsList.splice(nIdx, 1);
 166               this.infoMsg = "";
 167               document.getElementById("modalNews").checked = false;
 168             }
 169           }
 170         );
 171       }
 172     },
 173     loadMore: function() {
 174       ajax(
 175         "/news",
 176         "GET",
 177         {
 178           data: { cursor: this.cursor },
 179           success: (res) => {
 180             const L = res.newsList.length;
 181             if (L > 0) {
 182               this.newsList = this.newsList.concat(res.newsList);
 183               this.cursor = res.newsList[L - 1].added;
 184             } else this.hasMore = false;
 185           }
 186         }
 187       );
 188     }
 189   }
 190 };
 191 </script>
 192
 193 <style lang="sass">
 194 [type="checkbox"].modal+div .card
 195   max-width: 767px
 196   max-height: 100%
 197
 198 textarea#newsContent
 199   margin: 0
 200   width: 100%
 201   min-height: 200px
 202   max-height: 100%
 203
 204 #dialog
 205   padding: 5px
 206   color: blue
 207
 208 #writeNews
 209   padding-top: 50px
 210
 211 button#writeNewsBtn, button#loadMoreBtn
 212   margin-top: 0
 213   margin-bottom: 0
 214
 215 span.ndt
 216   color: darkblue
 217   padding: 0 5px 0 var(--universal-margin)
 218
 219 .news
 220   padding-top: 10px
 221   & > .dev-buttons
 222     display: inline-block
 223   & > .news-content
 224     margin: var(--universal-margin)
 225     & > p
 226       margin: 10px 0
 227     & > br
 228       display: block
 229       margin-top: 10px
 230       content: " "
 231
 232 .margintop
 233   margin-top: 25px
 234   border-top: 1px solid grey
 235 @media screen and (max-width: 767px)
 236   .margintop
 237     margin-top: 10px
 238 </style>