Mercurial > gemma

annotate client/src/store/fairway.js @ 1237:74562dc29e10

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refactored drawtool The map interactions (ol/interaction/Draw) were previously always removed and re-created. Now there are created and added to the map once and their active flag is used to toggle the tools. Results in cleaner code and easier separation of the buttons in the future.
author Markus Kottlaender <markus@intevation.de>
date Tue, 20 Nov 2018 13:03:24 +0100
parents 48ae4458710d
children bc55ffaeb639
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rev   line source
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1 /*
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2 * This is Free Software under GNU Affero General Public License v >= 3.0
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3 * without warranty, see README.md and license for details.
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4 *
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5 * SPDX-License-Identifier: AGPL-3.0-or-later
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6 * License-Filename: LICENSES/AGPL-3.0.txt
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7 *
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8 * Copyright (C) 2018 by via donau
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9 * – Österreichische Wasserstraßen-Gesellschaft mbH
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10 * Software engineering by Intevation GmbH
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11 *
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12 * Author(s):
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13 * Thomas Junk <thomas.junk@intevation.de>
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14 * Markus Kottländer <markuks.kottlaender@intevation.de>
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15 */
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16 import Vue from "vue";
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17 import { HTTP } from "../application/lib/http";
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18 import { prepareProfile } from "../application/lib/geo";
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19 import LineString from "ol/geom/LineString.js";
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20 import { generateFeatureRequest } from "../application/lib/geo.js";
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21 import { getLength } from "ol/sphere.js";
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22 import { calculateFairwayCoordinates } from "../application/lib/geo.js";
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23 import { displayError } from "../application/lib/errors.js";
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24
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25 const DEMOLEVEL = 149.345;
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26 const DEMODATA = 2.5;
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27
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28 export default {
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29 namespaced: true,
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30 state: {
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31 additionalSurvey: "",
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32 totalLength: 0,
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33 minAlt: 0,
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34 maxAlt: 0,
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35 currentProfile: {},
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36 waterLevels: [{ year: "2016", level: DEMOLEVEL, color: "#005DFF" }],
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37 selectedWaterLevel: DEMOLEVEL,
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38 fairwayCoordinates: [],
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39 startPoint: null,
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40 endPoint: null,
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41 previousCuts: []
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42 },
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43 getters: {
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44 length: state => {
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45 return state.totalLength;
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46 },
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47 additionalSurvey: state => {
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48 return state.additionalSurvey;
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49 }
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50 },
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51 mutations: {
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52 setAdditionalSurvey: (state, additionalSurvey) => {
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53 state.additionalSurvey = additionalSurvey;
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54 },
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55 setSelectedWaterLevel: (state, level) => {
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56 state.selectedWaterLevel = level;
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57 },
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58 profileLoaded: (state, answer) => {
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59 const { response, surveyDate } = answer;
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60 const { data } = response;
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61 const coordinates = data.geometry.coordinates;
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62 if (!coordinates) return;
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63 const startPoint = state.startPoint;
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64 const endPoint = state.endPoint;
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65 const geoJSON = data;
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66 const result = prepareProfile({ geoJSON, startPoint, endPoint });
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67 // Use Vue.set() to make new object properties rective
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68 // https://vuejs.org/v2/guide/reactivity.html#Change-Detection-Caveats
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69 Vue.set(state.currentProfile, surveyDate, result.points);
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70 if (!state.minAlt || state.minAlt > result.minAlt) {
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71 state.minAlt = result.minAlt;
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72 }
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73 if (!state.maxAlt || state.maxAlt < result.maxAlt) {
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74 state.maxAlt = result.maxAlt;
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75 }
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76 if (!state.totalLength || state.totalLength < result.lengthPolyLine) {
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77 state.totalLength = result.lengthPolyLine;
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78 }
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79 },
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80 setStartPoint: (state, start) => {
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81 state.startPoint = start;
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82 },
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83 setEndPoint: (state, end) => {
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84 state.endPoint = end;
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85 },
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86 setFairwayCoordinates: (state, coordinates) => {
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87 state.fairwayCoordinates = coordinates;
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88 },
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89 clearCurrentProfile: state => {
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90 state.additionalSurvey = "";
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91 state.currentProfile = {};
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92 state.minAlt = null;
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93 state.maxAlt = null;
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94 state.totalLength = null;
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95 state.fairwayCoordinates = [];
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96 state.startPoint = null;
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97 state.endPoint = null;
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98 },
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99 previousCuts: (state, previousCuts) => {
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100 state.previousCuts = previousCuts;
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101 }
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102 },
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103 actions: {
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104 clearSelection({ commit, dispatch, rootGetters, rootState }) {
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105 dispatch("bottlenecks/setSelectedBottleneck", null, { root: true });
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106 commit("clearCurrentProfile");
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107 commit("application/showSplitscreen", false, { root: true });
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108 rootState.map.cutTool.setActive(false);
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109 rootGetters["map/getLayerByName"]("Cut Tool")
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110 .data.getSource()
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111 .clear();
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112 },
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113 loadProfile({ commit, state }, survey) {
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114 return new Promise((resolve, reject) => {
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115 const profileLine = new LineString([state.startPoint, state.endPoint]);
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116 const geoJSON = generateFeatureRequest(
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117 profileLine,
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118 survey.bottleneck_id,
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119 survey.date_info
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120 );
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121 HTTP.post("/cross", geoJSON, {
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122 headers: { "X-Gemma-Auth": localStorage.getItem("token") }
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123 })
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124 .then(response => {
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125 commit("profileLoaded", {
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126 response: response,
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127 surveyDate: survey.date_info
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128 });
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129 resolve(response);
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130 })
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131 .catch(error => {
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132 reject(error);
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133 });
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134 });
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135 },
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136 cut({ commit, dispatch, rootState, rootGetters }, cut) {
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137 const length = getLength(cut.getGeometry());
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138 commit(
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139 "map/setCurrentMeasurement",
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140 {
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141 quantity: "Length",
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142 unitSymbol: "m",
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143 value: Math.round(length * 10) / 10
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144 },
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145 { root: true }
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146 );
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147
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148 // if a survey has been selected, request a profile
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149 // TODO an improvement could be to check if the line intersects
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150 // with the bottleneck area's polygon before trying the server request
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151 if (rootState.bottlenecks.selectedSurvey) {
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152 commit("clearCurrentProfile");
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153 const inputLineString = cut.getGeometry().clone();
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154 inputLineString.transform("EPSG:3857", "EPSG:4326");
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155 const [start, end] = inputLineString
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156 .getCoordinates()
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157 .map(coords => coords.map(coord => parseFloat(coord.toFixed(8))));
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158 commit("setStartPoint", start);
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159 commit("setEndPoint", end);
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160 const profileLine = new LineString([start, end]);
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161 dispatch("loadProfile", rootState.bottlenecks.selectedSurvey)
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162 .then(() => {
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163 rootGetters["map/getLayerByName"]("Fairway Dimensions")
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164 .data.getSource()
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165 .forEachFeatureIntersectingExtent(
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166 // need to use EPSG:3857 which is the proj of vectorSource
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167 profileLine
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168 .clone()
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169 .transform("EPSG:4326", "EPSG:3857")
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170 .getExtent(),
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171 feature => {
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172 // transform back to prepare for usage
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173 var intersectingPolygon = feature
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174 .getGeometry()
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175 .clone()
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176 .transform("EPSG:3857", "EPSG:4326");
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177 const fairwayCoordinates = calculateFairwayCoordinates(
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178 profileLine,
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179 intersectingPolygon,
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180 DEMODATA
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181 );
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182 commit("setFairwayCoordinates", fairwayCoordinates);
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183 }
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184 );
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185 })
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186 .then(() => {
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187 commit("application/showSplitscreen", true, { root: true });
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188 })
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189 .catch(error => {
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190 const { status, data } = error.response;
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191 displayError({
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192 title: "Backend Error",
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193 message: `${status}: ${data.message || data}`
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194 });
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195 });
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196 }
1177
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197 },
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198 previousCuts({ commit, rootState }) {
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199 const previousCuts =
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200 JSON.parse(localStorage.getItem("previousCuts")) || [];
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201 commit(
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202 "previousCuts",
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203 previousCuts.filter(cut => {
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204 return (
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205 cut.bottleneckName === rootState.bottlenecks.selectedBottleneck
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206 );
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207 })
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208 );
1028
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209 }
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210 }
646
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211 };