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annotate client/src/store/gauges.js @ 2604:85f9bf4a6eba

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client: gauge waterlevel diagram: draw reference waterlevels
author Markus Kottlaender <markus@intevation.de>
date Tue, 12 Mar 2019 17:08:07 +0100
parents 8774054959a7
children 27933e66e848
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1 /* This is Free Software under GNU Affero General Public License v >= 3.0
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2 * without warranty, see README.md and license for details.
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3 *
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4 * SPDX-License-Identifier: AGPL-3.0-or-later
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5 * License-Filename: LICENSES/AGPL-3.0.txt
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6 *
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7 * Copyright (C) 2018 by via donau
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8 * – Österreichische Wasserstraßen-Gesellschaft mbH
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9 * Software engineering by Intevation GmbH
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10 *
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11 * Author(s):
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12 * Markus Kottländer <markus@intevation.de>
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13 */
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14 import { HTTP } from "@/lib/http";
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15 import { WFS } from "ol/format.js";
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16
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17 const init = () => {
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18 return {
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19 gauges: [],
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20 selectedGaugeName: null,
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21 waterlevels: [],
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22 loading: false
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23 };
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24 };
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25
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26 export default {
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27 init,
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28 namespaced: true,
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29 state: init(),
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30 getters: {
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31 selectedGauge: state => {
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32 return state.gauges.find(
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33 g => g.properties.objname === state.selectedGaugeName
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34 );
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35 }
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36 },
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37 mutations: {
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38 gauges: (state, gauges) => {
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39 state.gauges = gauges;
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40 },
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41 selectedGaugeName: (state, name) => {
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42 state.selectedGaugeName = name;
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43 },
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44 waterlevels: (state, data) => {
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45 state.waterlevels = data;
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46 },
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47 loading: (state, loading) => {
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48 state.loading = loading;
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49 }
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50 },
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51 actions: {
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52 selectedGaugeName: ({ commit }, name) => {
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53 commit("selectedGaugeName", name);
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54 commit("application/showGauges", true, { root: true });
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55 commit("application/showSplitscreen", false, { root: true });
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56 },
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57 loadGauges: ({ commit }) => {
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58 return new Promise((resolve, reject) => {
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59 var gaugesFeatureCollectionRequest = new WFS().writeGetFeature({
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60 srsName: "EPSG:4326",
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61 featureNS: "gemma",
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62 featurePrefix: "gemma",
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63 featureTypes: ["gauges_geoserver"],
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64 outputFormat: "application/json"
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65 });
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66 HTTP.post(
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67 "/internal/wfs",
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68 new XMLSerializer().serializeToString(gaugesFeatureCollectionRequest),
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69 {
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70 headers: {
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71 "X-Gemma-Auth": localStorage.getItem("token"),
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72 "Content-type": "text/xml; charset=UTF-8"
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73 }
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74 }
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75 )
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76 .then(response => {
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77 commit("gauges", response.data.features);
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78 resolve(response);
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79 })
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80 .catch(error => {
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81 reject(error);
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82 });
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83 });
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84 },
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85 loadWaterlevels({ state, commit }, timePeriod) {
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86 return new Promise(resolve => {
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87 if (state.selectedGaugeName && timePeriod) {
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88 // generate some demo values
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89 setTimeout(() => {
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90 let data = [];
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91 let waterlevel = 380;
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92 for (let i = 1; i <= 365; i++) {
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93 let date = new Date();
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94 date.setFullYear(2018);
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95 date.setDate(date.getDate() + i);
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96 waterlevel *= Math.random() * (1.02 - 0.98) + 0.98;
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97 data.push({ date, waterlevel });
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98 }
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99 commit("waterlevels", data);
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100 resolve(data);
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101 }, 2000);
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102 } else {
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103 commit("waterlevels", []);
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104 }
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105 });
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106 }
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107 }
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108 };