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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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3 import { sortBy } 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-upcoming-events")
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12 export class UpcomingEvents 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 ol {
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17 list-style-type: circle;
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18 font-size: 16px;
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19 background: #cd66bb2e;
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20 padding: 9px;
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21 width: fit-content;
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22 position: relative;
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23 top: -21px;
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24 border-radius: 14px;
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25 }
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26 span.d {
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27 opacity: 0.5;
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28 }
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29 `,
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30 ];
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31 @property() evs: DisplayEvent[];
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32 constructor() {
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33 super();
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34 this.evs = [];
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35 this.load();
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36 setInterval(this.load.bind(this), 5 * 60 * 1000);
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37 }
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38
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39 async load() {
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40 const r = await fetchGraph("/gcalendarwatch/graph/calendar/upcoming");
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41 await parseGraph(r, (store: Store) => {
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42 const graph = namedNode(EV + "gcalendar");
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43 this.evs = [];
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44 store.getSubjects(namedNode(RDF + "type"), namedNode(EV + "Event"), graph).forEach((ev: Quad_Subject) => {
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45 const de = new DisplayEvent(store, graph, ev);
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46 if (de.show()) {
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47 this.evs = [...this.evs, de];
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48 }
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49 });
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50 this.evs = sortBy(this.evs, "start");
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51 });
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52 }
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53
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54 render() {
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55 return html`
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56 <h1 data-text="Calendar">Calendar</h1>
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57 <ol>
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58 ${this.evs.map((d) => html`<li><span class="date">${d.shortDate()}</span> ${d.title}</li>`)}
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59 </ol>
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60 `;
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61 }
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62 }
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