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1 import { LitElement, css, html } from "lit";
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2 import { customElement, property } from "lit/decorators.js";
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20
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3 import { sortBy, sortedUniqBy, uniqBy } from "lodash";
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4 import { DataFactory, Quad_Subject, Store } from "n3";
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5 import { shared } from "./shared";
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6 import { EV, fetchGraph, parseGraph, RDF } from "./parseRdf";
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7 import { DisplayEvent } from "./DisplayEvent";
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8
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9 const { namedNode } = DataFactory;
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10
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11 @customElement("fd-countdown")
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12 export class FdCountdown extends LitElement {
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13 static styles = [
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14 shared,
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15 css`
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16 :host {
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17 overflow: hidden;
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18 }
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19 ol {
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20 list-style: none;
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21 font-size: 16px;
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22 }
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23 span.d {
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24 opacity: 0.5;
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25 }
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26 li:has(.until) {
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27 color: #666;
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28 }
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29 li:has(.until-2d) {
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30 color: #fff;
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31 }
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32 li:has(.until-7d) {
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33 color: #ccc;
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34 }
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35 li:has(.until-30d) {
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36 color: #999;
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37 }
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38 li:has(.until)::before {
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39 display: inline-block;
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40 width: 1.4em;
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41 content: "";
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42 }
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43 li:has(.until-2d)::before {
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44 content: "🌕";
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45 }
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46 li:has(.until-7d)::before {
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47 content: "🌙";
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48 }
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49 li:has(.until-30d)::before {
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50 content: "🌑";
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51 }
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52 `,
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53 ];
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54 @property() evs: DisplayEvent[];
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55 constructor() {
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56 super();
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57 this.evs = [];
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58 this.load();
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59 setInterval(this.load.bind(this), 5 * 60 * 1000);
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60 }
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61 async load() {
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62 const store = new Store();
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63 const r = await fetchGraph("/gcalendarwatch/graph/calendar/countdown");
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64 await parseGraph(r, (store: Store) => {
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65 const graph = namedNode(EV + "gcalendar");
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66 this.evs = [];
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67 store.getSubjects(namedNode(RDF + "type"), namedNode(EV + "Event"), graph).forEach((ev: Quad_Subject) => {
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68 const de = new DisplayEvent(store, graph, ev);
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69 this.evs = [...this.evs, de];
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70 });
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71 this.evs = sortedUniqBy(sortBy(this.evs, "start"), (de) => de.start + de.title);
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72 });
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73 }
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74 render() {
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75 return html`<h1>Coming Soon</h1>
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76 <ol>
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77 ${this.evs.map((d) => html`<li>In ${d.inHowLong()}, ${d.title}</li>`)}
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78 </ol> `;
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79 }
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80 }
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