Add basic news navigation with prev/next buttons
[vchess.git] / client / src / views / News.vue
CommitLineData
604b951e
BA
1<template lang="pug">
2main
3 input#modalNews.modal(type="checkbox")
910d631b
BA
4 div#newnewsDiv(
5 role="dialog"
6 data-checkbox="modalNews"
7 )
23e1fa07 8 .card#writeNews
604b951e
BA
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
23e1fa07 19 button#writeNewsBtn(
604b951e
BA
20 v-if="devs.includes(st.user.id)"
21 @click="showModalNews"
22 )
23 | {{ st.tr["Write news"] }}
910d631b
BA
24 .news(
25 v-for="n,idx in newsList"
d85f259c 26 :id="'n' + n.id"
910d631b
BA
27 :class="{margintop:idx>0}"
28 )
bd76b456 29 span.ndt {{ formatDatetime(n.added) }}
622e0fa8 30 .dev-buttons(v-if="devs.includes(st.user.id)")
604b951e
BA
31 button(@click="editNews(n)") {{ st.tr["Edit"] }}
32 button(@click="deleteNews(n)") {{ st.tr["Delete"] }}
d85f259c
BA
33 button(@click="gotoPrevNext(n, 1)") {{ st.tr["Previous_n"] }}
34 button(@click="gotoPrevNext(n, -1)") {{ st.tr["Next_n"] }}
622e0fa8 35 .news-content(v-html="parseHtml(n.content)")
b3ef5759 36 button#loadMoreBtn(
910d631b
BA
37 v-if="hasMore"
38 @click="loadMore()"
39 )
604b951e
BA
40 | {{ st.tr["Load more"] }}
41</template>
42
43<script>
44import { store } from "@/store";
45import { ajax } from "@/utils/ajax";
46import { getDate, getTime } from "@/utils/datetime";
47import { processModalClick } from "@/utils/modalClick";
48export default {
49 name: "my-news",
50 data: function() {
51 return {
52 devs: [1], //for now the only dev is me
53 st: store.state,
0234201f
BA
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,
6808d7a1 58 curnews: { id: 0, content: "" },
604b951e 59 newsList: [],
6808d7a1 60 infoMsg: ""
604b951e
BA
61 };
62 },
63 created: function() {
e57c4de4
BA
64 ajax(
65 "/news",
66 "GET",
67 {
68 data: { cursor: this.cursor },
69 success: (res) => {
0234201f
BA
70 // The returned list is sorted from most recent to oldest
71 this.newsList = res.newsList;
e57c4de4 72 const L = res.newsList.length;
0234201f 73 if (L > 0) this.cursor = res.newsList[L - 1].added;
68e19a44 74 else this.hasMore = false;
e57c4de4
BA
75 }
76 }
77 );
604b951e
BA
78 },
79 mounted: function() {
d9a7a1e4
BA
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");
6808d7a1
BA
84 document
85 .getElementById("newnewsDiv")
86 .addEventListener("click", processModalClick);
604b951e
BA
87 },
88 methods: {
89 formatDatetime: function(dt) {
90 const dtObj = new Date(dt);
bd76b456
BA
91 const timePart = getTime(dtObj);
92 // Show minutes but not seconds:
6808d7a1
BA
93 return (
94 getDate(dtObj) + " " + timePart.substr(0, timePart.lastIndexOf(":"))
95 );
604b951e
BA
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/questions/995168/textarea-to-resize-based-on-content-length
105 newsContent.style.height = "1px";
6808d7a1 106 newsContent.style.height = 10 + newsContent.scrollHeight + "px";
604b951e
BA
107 },
108 resetCurnews: function() {
109 this.curnews.id = 0;
110 this.curnews.content = "";
111 // No need for added and uid fields: never updated
112 },
d85f259c
BA
113 gotoPrevNext: function(n, dir) {
114 document.getElementById("n" + n.id)[
115 (dir < 0 ? "previous" : "next") + "ElementSibling"].scrollIntoView();
116 },
604b951e
BA
117 showModalNews: function() {
118 this.resetCurnews();
6808d7a1 119 window.doClick("modalNews");
604b951e
BA
120 },
121 sendNews: function() {
122 const edit = this.curnews.id > 0;
123 this.infoMsg = "Processing... Please wait";
e57c4de4
BA
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);
d85f259c 132 if (!!n) n.content = this.curnews.content;
e57c4de4
BA
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 }
604b951e 146 }
e57c4de4 147 );
604b951e
BA
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
6808d7a1 153 window.doClick("modalNews");
604b951e
BA
154 },
155 deleteNews: function(n) {
6808d7a1 156 if (confirm(this.st.tr["Are you sure?"])) {
604b951e 157 this.infoMsg = "Processing... Please wait";
e57c4de4
BA
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 );
604b951e
BA
171 }
172 },
173 loadMore: function() {
e57c4de4
BA
174 ajax(
175 "/news",
176 "GET",
177 {
178 data: { cursor: this.cursor },
179 success: (res) => {
68e19a44
BA
180 const L = res.newsList.length;
181 if (L > 0) {
e57c4de4 182 this.newsList = this.newsList.concat(res.newsList);
68e19a44 183 this.cursor = res.newsList[L - 1].added;
e57c4de4
BA
184 } else this.hasMore = false;
185 }
186 }
187 );
6808d7a1
BA
188 }
189 }
604b951e
BA
190};
191</script>
192
9493b395 193<style lang="sass">
604b951e
BA
194[type="checkbox"].modal+div .card
195 max-width: 767px
196 max-height: 100%
910d631b 197
604b951e 198textarea#newsContent
bd76b456 199 margin: 0
604b951e
BA
200 width: 100%
201 min-height: 200px
202 max-height: 100%
910d631b 203
604b951e
BA
204#dialog
205 padding: 5px
206 color: blue
910d631b 207
23e1fa07
BA
208#writeNews
209 padding-top: 50px
210
b3ef5759 211button#writeNewsBtn, button#loadMoreBtn
0c76fa56
BA
212 margin-top: 0
213 margin-bottom: 0
910d631b 214
bd76b456
BA
215span.ndt
216 color: darkblue
feae89d3 217 padding: 0 5px 0 var(--universal-margin)
910d631b 218
feae89d3
BA
219.news
220 padding-top: 10px
622e0fa8 221 & > .dev-buttons
bd76b456 222 display: inline-block
622e0fa8 223 & > .news-content
9493b395
BA
224 margin: var(--universal-margin)
225 & > p
226 margin: 10px 0
227 & > br
228 display: block
229 margin-top: 10px
230 content: " "
910d631b
BA
231
232.margintop
233 margin-top: 25px
234 border-top: 1px solid grey
bd76b456
BA
235@media screen and (max-width: 767px)
236 .margintop
237 margin-top: 10px
604b951e 238</style>