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Merge pull request #701 from DEFRA/feature/FSR-1207
FSR-1207 | alerts and warnings search
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,92 +1,175 @@ | ||
| const qs = require('qs') | ||
| const joi = require('@hapi/joi') | ||
| const boom = require('@hapi/boom') | ||
| const ViewModel = require('../models/views/alerts-and-warnings') | ||
| const Floods = require('../models/floods') | ||
| const locationService = require('../services/location') | ||
| const util = require('../util') | ||
| const { slugify } = require('./lib/utils') | ||
|
|
||
| const page = 'alerts-and-warnings' | ||
| const QUERY_STRING_LOCATION_MAX_LENGTH = 200 | ||
|
|
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| function renderLocationNotFound (location, h) { | ||
| return h.view('location-not-found', { pageTitle: 'Error: Find location - Check for flooding', href: page, location }).takeover() | ||
| } | ||
|
|
||
| function renderNotFound (location) { | ||
| return boom.notFound(`Location ${location} not found`) | ||
| } | ||
|
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| function createQueryParametersString (queryObject) { | ||
| const { q, location, ...otherParameters } = queryObject | ||
| const queryString = qs.stringify(otherParameters, { addQueryPrefix: true, encode: false }) | ||
| return queryString | ||
| } | ||
|
|
||
| async function routeHandler (request, h) { | ||
| let location = request.query.q || request.payload?.location | ||
|
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| request.yar.set('q', { location }) | ||
|
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| const direction = request.query.direction === 'downstream' ? 'd' : 'u' | ||
|
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| let model, floods | ||
|
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| if (request.query.station) { | ||
| const station = await request.server.methods.flood.getStationById(request.query.station, direction) | ||
|
|
||
| const warningsAlerts = await request.server.methods.flood.getWarningsAlertsWithinStationBuffer(station.rloi_id) | ||
| floods = new Floods({ floods: warningsAlerts }) | ||
| model = new ViewModel({ location, floods, station }) | ||
| return h.view(page, { model }) | ||
| } | ||
|
|
||
| if (!location) { | ||
| const data = await request.server.methods.flood.getFloods() | ||
| floods = new Floods(data) | ||
| model = new ViewModel({ location, floods }) | ||
| return h.view(page, { model }) | ||
| } | ||
|
|
||
| location = util.cleanseLocation(location) | ||
|
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| const [place] = await locationService.find(location) | ||
|
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| if (!place) { | ||
| if (request.method === 'get') { | ||
| return renderNotFound(location) | ||
| } | ||
|
|
||
| return renderLocationNotFound(location, h) | ||
| } | ||
|
|
||
| if (!place.isEngland.is_england) { | ||
| request.logger.warn({ | ||
| situation: 'Location search error: Valid response but location not in England.' | ||
| }) | ||
|
|
||
| if (request.method === 'post') { | ||
| return renderLocationNotFound(location, h) | ||
| } | ||
| } | ||
|
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| const queryString = createQueryParametersString(request.query) | ||
|
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| return h.redirect(`/${page}/${slugify(place?.name)}${queryString}`).permanent() | ||
| } | ||
|
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| async function locationRouteHandler (request, h) { | ||
| const canonicalUrl = request.url.origin + request.url.pathname | ||
| const location = util.cleanseLocation(request.params.location) | ||
|
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| const [place] = await locationService.find(location) | ||
|
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| if (location.match(/^england$/i)) { | ||
| return h.redirect(`/${page}`) | ||
| } | ||
|
|
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| if (slugify(place?.name) !== location) { | ||
| return renderNotFound(location) | ||
| } | ||
|
|
||
| if (!place?.isEngland.is_england) { | ||
| request.logger.warn({ | ||
| situation: 'Location search error: Valid response but location not in England.' | ||
| }) | ||
|
|
||
| return renderNotFound(location) | ||
| } | ||
|
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||
| // Data passed to floods model so the schema is the same as cached floods | ||
| const data = await request.server.methods.flood.getFloodsWithin(place.bbox2k) | ||
| const floods = new Floods(data) | ||
| const model = new ViewModel({ location, place, floods, canonical: canonicalUrl, q: request.yar.get('q')?.location }) | ||
| request.yar.set('q', null) | ||
| return h.view(page, { model }) | ||
| } | ||
|
|
||
| function failActionHandler (request, h) { | ||
| request.logger.warn({ | ||
| situation: 'Location search error: Invalid or no string input.' | ||
| }) | ||
|
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| const location = request.query.q || request.payload?.location | ||
|
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| if (!location) { | ||
| return h.redirect(page).takeover() | ||
| } else { | ||
| return renderLocationNotFound(location, h) | ||
| } | ||
| } | ||
|
|
||
| module.exports = [{ | ||
| method: 'GET', | ||
| path: '/alerts-and-warnings', | ||
| handler: async (request, h) => { | ||
| const { q: location } = request.query | ||
| let model, place, floods | ||
|
|
||
| const direction = request.query.direction === 'downstream' ? 'd' : 'u' | ||
| const station = request.query.station | ||
| ? await request.server.methods.flood.getStationById(request.query.station, direction) | ||
| : null | ||
|
|
||
| if (station) { | ||
| const warningsAlerts = await request.server.methods.flood.getWarningsAlertsWithinStationBuffer(station.rloi_id) | ||
| floods = new Floods({ floods: warningsAlerts }) | ||
| model = new ViewModel({ location, place, floods, station }) | ||
| return h.view('alerts-and-warnings', { model }) | ||
| } else if (typeof location === 'undefined' || location === '' || location.match(/^england$/i)) { | ||
| floods = new Floods(await request.server.methods.flood.getFloods()) | ||
| model = new ViewModel({ location, place, floods, station }) | ||
| return h.view('alerts-and-warnings', { model }) | ||
| } else { | ||
| try { | ||
| [place] = await locationService.find(util.cleanseLocation(location)) | ||
| } catch (error) { | ||
| request.logger.warn({ | ||
| situation: `Location search error: [${error.name}] [${error.message}]`, | ||
| err: error | ||
| }) | ||
| const floods = new Floods(await request.server.methods.flood.getFloods()) | ||
| model = new ViewModel({ location, place, floods, station, error }) | ||
| return h.view('alerts-and-warnings', { model }) | ||
| } | ||
|
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||
| if (!place) { | ||
| model = new ViewModel({ location, place, floods, station }) | ||
| return h.view('alerts-and-warnings', { model }) | ||
| } | ||
|
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||
| if (!place?.isEngland.is_england) { | ||
| // If no place return empty floods | ||
| model = new ViewModel({ location, place, floods, station }) | ||
| return h.view('alerts-and-warnings', { model }) | ||
| } else { | ||
| // Data passed to floods model so the schema is the same as cached floods | ||
| const data = await request.server.methods.flood.getFloodsWithin(place.bbox2k) | ||
| floods = new Floods(data) | ||
| model = new ViewModel({ location, place, floods, station }) | ||
| return h.view('alerts-and-warnings', { model }) | ||
| } | ||
| path: `/${page}`, | ||
| handler: routeHandler, | ||
| options: { | ||
| validate: { | ||
| query: joi.object({ | ||
| q: joi.string().trim().max(QUERY_STRING_LOCATION_MAX_LENGTH), | ||
| station: joi.string(), | ||
| btn: joi.string(), | ||
| ext: joi.string(), | ||
| fid: joi.string(), | ||
| lyr: joi.string(), | ||
| v: joi.string() | ||
| }), | ||
| failAction: failActionHandler | ||
| } | ||
| }, | ||
| } | ||
| }, | ||
| { | ||
| method: 'GET', | ||
| path: `/${page}/{location}`, | ||
| handler: locationRouteHandler, | ||
| options: { | ||
| validate: { | ||
| params: joi.object({ | ||
| location: joi.string().lowercase() | ||
| }), | ||
| query: joi.object({ | ||
| q: joi.string().allow('').trim().max(200), | ||
| station: joi.string(), | ||
| btn: joi.string(), | ||
| ext: joi.string(), | ||
| fid: joi.string(), | ||
| lyr: joi.string(), | ||
| v: joi.string() | ||
| }) | ||
| }), | ||
| failAction: failActionHandler | ||
| } | ||
| } | ||
| }, { | ||
| }, | ||
| { | ||
| method: 'POST', | ||
| path: '/alerts-and-warnings', | ||
| handler: async (request, h) => { | ||
| const { location } = request.payload | ||
| if (location === '') { | ||
| return h.redirect(`/alerts-and-warnings?q=${location}`) | ||
| } | ||
| return h.redirect(`/alerts-and-warnings?q=${encodeURIComponent(util.cleanseLocation(location))}`) | ||
| }, | ||
| path: `/${page}`, | ||
| handler: routeHandler, | ||
| options: { | ||
| validate: { | ||
| payload: joi.object({ | ||
| location: joi.string().allow('').trim().max(200).required() | ||
| location: joi.string().allow('').trim().max(QUERY_STRING_LOCATION_MAX_LENGTH).required() | ||
| }), | ||
| failAction: (request, h, _err) => { | ||
| return h.view('alerts-and-warnings').takeover() | ||
| } | ||
| failAction: failActionHandler | ||
| } | ||
| } | ||
| }] |
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