Generalize pawn movements: cleaner and smaller code
[vchess.git] / 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 :class="{margintop:idx>0}"
27 )
28 span.ndt {{ formatDatetime(n.added) }}
29 div(v-if="devs.includes(st.user.id)")
30 button(@click="editNews(n)") {{ st.tr["Edit"] }}
31 button(@click="deleteNews(n)") {{ st.tr["Delete"] }}
32 p(v-html="parseHtml(n.content)")
33 button#loadMoreBtn(
34 v-if="hasMore"
35 @click="loadMore()"
36 )
37 | {{ st.tr["Load more"] }}
38 </template>
39
40 <script>
41 import { store } from "@/store";
42 import { ajax } from "@/utils/ajax";
43 import { getDate, getTime } from "@/utils/datetime";
44 import { processModalClick } from "@/utils/modalClick";
45 export default {
46 name: "my-news",
47 data: function() {
48 return {
49 devs: [1], //for now the only dev is me
50 st: store.state,
51 // timestamp of oldest showed news:
52 cursor: Number.MAX_SAFE_INTEGER,
53 // hasMore == TRUE: a priori there could be more news to load
54 hasMore: true,
55 curnews: { id: 0, content: "" },
56 newsList: [],
57 infoMsg: ""
58 };
59 },
60 created: function() {
61 ajax(
62 "/news",
63 "GET",
64 {
65 data: { cursor: this.cursor },
66 success: (res) => {
67 // The returned list is sorted from most recent to oldest
68 this.newsList = res.newsList;
69 const L = res.newsList.length;
70 if (L > 0) this.cursor = res.newsList[L - 1].added;
71 else this.hasMore = false;
72 }
73 }
74 );
75 },
76 mounted: function() {
77 // Mark that I've read the news:
78 localStorage.setItem("newsRead", Date.now());
79 if (this.st.user.id > 0) ajax("/newsread", "PUT");
80 document.getElementById("newsMenu").classList.remove("somenews");
81 document
82 .getElementById("newnewsDiv")
83 .addEventListener("click", processModalClick);
84 },
85 methods: {
86 formatDatetime: function(dt) {
87 const dtObj = new Date(dt);
88 const timePart = getTime(dtObj);
89 // Show minutes but not seconds:
90 return (
91 getDate(dtObj) + " " + timePart.substr(0, timePart.lastIndexOf(":"))
92 );
93 },
94 parseHtml: function(txt) {
95 return !txt.match(/<[/a-zA-Z]+>/)
96 ? txt.replace(/\n/g, "<br/>") //no HTML tag
97 : txt;
98 },
99 adjustHeight: function() {
100 const newsContent = document.getElementById("newsContent");
101 // https://stackoverflow.com/questions/995168/textarea-to-resize-based-on-content-length
102 newsContent.style.height = "1px";
103 newsContent.style.height = 10 + newsContent.scrollHeight + "px";
104 },
105 resetCurnews: function() {
106 this.curnews.id = 0;
107 this.curnews.content = "";
108 // No need for added and uid fields: never updated
109 },
110 showModalNews: function() {
111 this.resetCurnews();
112 window.doClick("modalNews");
113 },
114 sendNews: function() {
115 const edit = this.curnews.id > 0;
116 this.infoMsg = "Processing... Please wait";
117 ajax(
118 "/news",
119 edit ? "PUT" : "POST",
120 {
121 data: { news: this.curnews },
122 success: (res) => {
123 if (edit) {
124 let n = this.newsList.find(n => n.id == this.curnews.id);
125 if (n) n.content = this.curnews.content;
126 } else {
127 const newNews = {
128 content: this.curnews.content,
129 added: Date.now(),
130 uid: this.st.user.id,
131 id: res.id
132 };
133 this.newsList = [newNews].concat(this.newsList);
134 }
135 document.getElementById("modalNews").checked = false;
136 this.infoMsg = "";
137 this.resetCurnews();
138 }
139 }
140 );
141 },
142 editNews: function(n) {
143 this.curnews.content = n.content;
144 this.curnews.id = n.id;
145 // No need for added and uid fields: never updated
146 window.doClick("modalNews");
147 },
148 deleteNews: function(n) {
149 if (confirm(this.st.tr["Are you sure?"])) {
150 this.infoMsg = "Processing... Please wait";
151 ajax(
152 "/news",
153 "DELETE",
154 {
155 data: { id: n.id },
156 success: () => {
157 const nIdx = this.newsList.findIndex(nw => nw.id == n.id);
158 this.newsList.splice(nIdx, 1);
159 this.infoMsg = "";
160 document.getElementById("modalNews").checked = false;
161 }
162 }
163 );
164 }
165 },
166 loadMore: function() {
167 ajax(
168 "/news",
169 "GET",
170 {
171 data: { cursor: this.cursor },
172 success: (res) => {
173 const L = res.newsList.length;
174 if (L > 0) {
175 this.newsList = this.newsList.concat(res.newsList);
176 this.cursor = res.newsList[L - 1].added;
177 } else this.hasMore = false;
178 }
179 }
180 );
181 }
182 }
183 };
184 </script>
185
186 <style lang="sass" scoped>
187 [type="checkbox"].modal+div .card
188 max-width: 767px
189 max-height: 100%
190
191 textarea#newsContent
192 margin: 0
193 width: 100%
194 min-height: 200px
195 max-height: 100%
196
197 #dialog
198 padding: 5px
199 color: blue
200
201 #writeNews
202 padding-top: 50px
203
204 button#writeNewsBtn, button#loadMoreBtn
205 margin-top: 0
206 margin-bottom: 0
207
208 span.ndt
209 color: darkblue
210 padding: 0 5px 0 var(--universal-margin)
211
212 .news
213 padding-top: 10px
214 & > div
215 display: inline-block
216
217 .margintop
218 margin-top: 25px
219 border-top: 1px solid grey
220 @media screen and (max-width: 767px)
221 .margintop
222 margin-top: 10px
223 </style>