Mercurial > gemma
view client/src/store/fairway.js @ 2455:54c9fe587fe6
Subdivide SQL function to prepare for improved error handling
The context of an error (e.g. the function in which it occured)
can be inferred by the database client. Not doing all in one
statement will render the context more meaningful.
author | Tom Gottfried <tom@intevation.de> |
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date | Fri, 01 Mar 2019 18:38:02 +0100 |
parents | 123e7f43b676 |
children | 3c17d401fbd4 |
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/* This is Free Software under GNU Affero General Public License v >= 3.0 * without warranty, see README.md and license for details. * * SPDX-License-Identifier: AGPL-3.0-or-later * License-Filename: LICENSES/AGPL-3.0.txt * * Copyright (C) 2018 by via donau * – Österreichische Wasserstraßen-Gesellschaft mbH * Software engineering by Intevation GmbH * * Author(s): * Thomas Junk <thomas.junk@intevation.de> * Markus Kottländer <markuks.kottlaender@intevation.de> */ import Vue from "vue"; import { HTTP } from "../lib/http"; import { prepareProfile } from "../lib/geo"; import LineString from "ol/geom/LineString.js"; import { generateFeatureRequest } from "../lib/geo.js"; import { getLength } from "ol/sphere.js"; import { displayError } from "../lib/errors.js"; import { featureToFairwayCoordinates } from "../lib/geo.js"; import { LAYERS } from "@/store/map.js"; // initial state const init = () => { return { additionalSurvey: null, minAlt: 0, maxAlt: 0, currentProfile: {}, referenceWaterLevel: null, waterLevels: {}, selectedWaterLevel: "", fairwayData: [], startPoint: null, endPoint: null, previousCuts: [], profileLoading: false, selectedCut: null }; }; export default { init, namespaced: true, state: init(), getters: { totalLength: state => { const keys = Object.keys(state.currentProfile); return keys.length ? Math.max(...keys.map(x => state.currentProfile[x].length)) : 0; }, additionalSurvey: state => { return state.additionalSurvey; } }, mutations: { additionalSurvey: (state, additionalSurvey) => { state.additionalSurvey = additionalSurvey; }, setSelectedWaterLevel: (state, level) => { state.selectedWaterLevel = state.waterLevels[level]; }, profileLoaded: (state, answer) => { const { response, surveyDate } = answer; const { data } = response; const { waterlevel } = response.data.properties; const { value, when } = waterlevel; const coordinates = data.geometry.coordinates; if (!coordinates) return; const startPoint = state.startPoint; const endPoint = state.endPoint; const geoJSON = data; const result = prepareProfile({ geoJSON, startPoint, endPoint }); // Use Vue.set() to make new object properties rective // https://vuejs.org/v2/guide/reactivity.html#Change-Detection-Caveats const entry = { date: when, vaule: value }; Vue.set(state.waterLevels, when, entry); if (state.selectedWaterLevel === "") state.selectedWaterLevel = entry; Vue.set(state.currentProfile, surveyDate, { points: result.points, length: result.lengthPolyLine }); if (!state.minAlt || state.minAlt > result.minAlt) { state.minAlt = result.minAlt; } if (!state.maxAlt || state.maxAlt < result.maxAlt) { state.maxAlt = result.maxAlt; } }, setStartPoint: (state, start) => { state.startPoint = start; }, setEndPoint: (state, end) => { state.endPoint = end; }, addFairwayData: (state, coordinates) => { state.fairwayData.push(coordinates); }, clearFairwayData: state => { state.fairwayData = []; }, clearCurrentProfile: state => { state.additionalSurvey = null; state.currentProfile = {}; state.minAlt = null; state.maxAlt = null; state.totalLength = null; state.fairwayData = []; state.startPoint = null; state.endPoint = null; state.referenceWaterLevel = null; state.waterLevels = {}; state.selectedWaterLevel = ""; }, previousCuts: (state, previousCuts) => { state.previousCuts = previousCuts; }, profileLoading: (state, loading) => { state.profileLoading = loading; }, selectedCut: (state, cut) => { state.selectedCut = cut; } }, actions: { clearSelection({ commit, dispatch, rootGetters, rootState }) { dispatch("bottlenecks/setSelectedBottleneck", null, { root: true }); dispatch("map/enableIdentifyTool", null, { root: true }); commit("clearCurrentProfile"); commit("application/showSplitscreen", false, { root: true }); rootState.map.cutTool.setActive(false); rootGetters["map/getVSourceByName"](LAYERS.CUTTOOL).clear(); }, loadProfile({ commit, state }, survey) { if (state.startPoint && state.endPoint) { return new Promise((resolve, reject) => { const profileLine = new LineString([ state.startPoint, state.endPoint ]); const geoJSON = generateFeatureRequest( profileLine, survey.bottleneck_id, survey.date_info ); HTTP.post("/cross", geoJSON, { headers: { "X-Gemma-Auth": localStorage.getItem("token") } }) .then(response => { if (response.data.geometry.coordinates.length) { commit("profileLoaded", { response: response, surveyDate: survey.date_info }); resolve(response); } else { commit("clearCurrentProfile"); commit("application/showSplitscreen", false, { root: true }); reject({ response: { status: null, data: "No intersection with sounding data." } }); } }) .catch(error => reject(error)); }); } }, cut({ commit, dispatch, rootState, rootGetters }, cut) { return new Promise(resolve => { const length = getLength(cut.getGeometry()); commit( "map/setCurrentMeasurement", { quantity: "Length", unitSymbol: "m", value: Math.round(length * 10) / 10 }, { root: true } ); commit("clearFairwayData"); // if a survey has been selected, request a profile // TODO an improvement could be to check if the line intersects // with the bottleneck area's polygon before trying the server request if (rootState.bottlenecks.selectedSurvey) { const inputLineString = cut.getGeometry().clone(); inputLineString.transform("EPSG:3857", "EPSG:4326"); const [start, end] = inputLineString .getCoordinates() .map(coords => coords.map(coord => parseFloat(coord.toFixed(8)))); commit("setStartPoint", start); commit("setEndPoint", end); const profileLine = new LineString([start, end]); const profileLoaders = [ dispatch("loadProfile", rootState.bottlenecks.selectedSurvey) ]; if (rootState.fairwayprofile.additionalSurvey) { profileLoaders.push( dispatch("loadProfile", rootState.fairwayprofile.additionalSurvey) ); } commit("profileLoading", true); Promise.all(profileLoaders) .then(() => { rootState.map.cutTool.setActive(false); const los3 = rootGetters["map/getLayerByName"]( LAYERS.FAIRWAYDIMENSIONSLOS3 ); los3.data.getSource().forEachFeatureIntersectingExtent( profileLine .clone() .transform("EPSG:4326", "EPSG:3857") .getExtent(), feature => { const fairwayCoordinates = featureToFairwayCoordinates( feature, profileLine ); let fairwayData = { coordinates: fairwayCoordinates, style: los3.data.getStyle() }; if (fairwayCoordinates.length > 0) { commit("addFairwayData", fairwayData); commit("application/showSplitscreen", true, { root: true }); } } ); const los2 = rootGetters["map/getLayerByName"]( LAYERS.FAIRWAYDIMENSIONSLOS2 ); los2.data.getSource().forEachFeatureIntersectingExtent( profileLine .clone() .transform("EPSG:4326", "EPSG:3857") .getExtent(), feature => { let fairwayCoordinates = featureToFairwayCoordinates( feature, profileLine ); let fairwayData = { coordinates: fairwayCoordinates, style: los2.data.getStyle() }; if (fairwayCoordinates.length > 0) { commit("addFairwayData", fairwayData); commit("application/showSplitscreen", true, { root: true }); } } ); const los1 = rootGetters["map/getLayerByName"]( LAYERS.FAIRWAYDIMENSIONSLOS1 ); los1.data.getSource().forEachFeatureIntersectingExtent( profileLine .clone() .transform("EPSG:4326", "EPSG:3857") .getExtent(), feature => { const fairwayCoordinates = featureToFairwayCoordinates( feature, profileLine ); let fairwayData = { coordinates: fairwayCoordinates, style: los1.data.getStyle() }; if (fairwayCoordinates.length > 0) { commit("addFairwayData", fairwayData); commit("application/showSplitscreen", true, { root: true }); } } ); resolve(); }) .catch(error => { const { status, data } = error.response; displayError({ title: "Backend Error", message: `${status ? status + ":" : ""} ${data.message || data}` }); }) .finally(() => { commit("profileLoading", false); }); } }); }, previousCuts({ commit, rootState }) { const previousCuts = JSON.parse(localStorage.getItem("previousCuts")) || []; commit( "previousCuts", previousCuts .filter(cut => { return ( cut.bottleneckName === rootState.bottlenecks.selectedBottleneck ); }) .sort((a, b) => (a.timestamp < b.timestamp ? 1 : -1)) ); } } };