Video 55: Building a JSON HTTP Endpoint
This commit is contained in:
Jason Williams
parent
a34f5e05c3
commit
040916eaa2
310
web-server/package-lock.json
generated
310
web-server/package-lock.json
generated
@ -13,6 +13,17 @@
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@ -67,6 +114,11 @@
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@ -96,6 +148,14 @@
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@ -140,6 +218,15 @@
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@ -197,6 +284,26 @@
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@ -216,6 +323,21 @@
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@ -257,6 +401,16 @@
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|
||||
"resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
|
||||
"integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
|
||||
"requires": {
|
||||
"aws-sign2": "~0.7.0",
|
||||
"aws4": "^1.8.0",
|
||||
"caseless": "~0.12.0",
|
||||
"combined-stream": "~1.0.6",
|
||||
"extend": "~3.0.2",
|
||||
"forever-agent": "~0.6.1",
|
||||
"form-data": "~2.3.2",
|
||||
"har-validator": "~5.1.0",
|
||||
"http-signature": "~1.2.0",
|
||||
"is-typedarray": "~1.0.0",
|
||||
"isstream": "~0.1.2",
|
||||
"json-stringify-safe": "~5.0.1",
|
||||
"mime-types": "~2.1.19",
|
||||
"oauth-sign": "~0.9.0",
|
||||
"performance-now": "^2.1.0",
|
||||
"qs": "~6.5.2",
|
||||
"safe-buffer": "^5.1.2",
|
||||
"tough-cookie": "~2.4.3",
|
||||
"tunnel-agent": "^0.6.0",
|
||||
"uuid": "^3.3.2"
|
||||
}
|
||||
},
|
||||
"right-align": {
|
||||
"version": "0.1.3",
|
||||
"resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
|
||||
@ -476,11 +718,56 @@
|
||||
"amdefine": ">=0.0.4"
|
||||
}
|
||||
},
|
||||
"sshpk": {
|
||||
"version": "1.16.1",
|
||||
"resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
|
||||
"integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
|
||||
"requires": {
|
||||
"asn1": "~0.2.3",
|
||||
"assert-plus": "^1.0.0",
|
||||
"bcrypt-pbkdf": "^1.0.0",
|
||||
"dashdash": "^1.12.0",
|
||||
"ecc-jsbn": "~0.1.1",
|
||||
"getpass": "^0.1.1",
|
||||
"jsbn": "~0.1.0",
|
||||
"safer-buffer": "^2.0.2",
|
||||
"tweetnacl": "~0.14.0"
|
||||
}
|
||||
},
|
||||
"statuses": {
|
||||
"version": "1.4.0",
|
||||
"resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
|
||||
"integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
|
||||
},
|
||||
"tough-cookie": {
|
||||
"version": "2.4.3",
|
||||
"resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
|
||||
"integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
|
||||
"requires": {
|
||||
"psl": "^1.1.24",
|
||||
"punycode": "^1.4.1"
|
||||
},
|
||||
"dependencies": {
|
||||
"punycode": {
|
||||
"version": "1.4.1",
|
||||
"resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
|
||||
"integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
|
||||
}
|
||||
}
|
||||
},
|
||||
"tunnel-agent": {
|
||||
"version": "0.6.0",
|
||||
"resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
|
||||
"integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
|
||||
"requires": {
|
||||
"safe-buffer": "^5.0.1"
|
||||
}
|
||||
},
|
||||
"tweetnacl": {
|
||||
"version": "0.14.5",
|
||||
"resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
|
||||
"integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
|
||||
},
|
||||
"type-is": {
|
||||
"version": "1.6.18",
|
||||
"resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
|
||||
@ -520,16 +807,39 @@
|
||||
"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
|
||||
"integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
|
||||
},
|
||||
"uri-js": {
|
||||
"version": "4.2.2",
|
||||
"resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
|
||||
"integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
|
||||
"requires": {
|
||||
"punycode": "^2.1.0"
|
||||
}
|
||||
},
|
||||
"utils-merge": {
|
||||
"version": "1.0.1",
|
||||
"resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
|
||||
"integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
|
||||
},
|
||||
"uuid": {
|
||||
"version": "3.3.3",
|
||||
"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
|
||||
"integrity": "sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ=="
|
||||
},
|
||||
"vary": {
|
||||
"version": "1.1.2",
|
||||
"resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
|
||||
"integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
|
||||
},
|
||||
"verror": {
|
||||
"version": "1.10.0",
|
||||
"resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
|
||||
"integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
|
||||
"requires": {
|
||||
"assert-plus": "^1.0.0",
|
||||
"core-util-is": "1.0.2",
|
||||
"extsprintf": "^1.2.0"
|
||||
}
|
||||
},
|
||||
"walk": {
|
||||
"version": "2.3.9",
|
||||
"resolved": "https://registry.npmjs.org/walk/-/walk-2.3.9.tgz",
|
||||
|
||||
@ -11,6 +11,7 @@
|
||||
"license": "ISC",
|
||||
"dependencies": {
|
||||
"express": "^4.16.4",
|
||||
"hbs": "^4.0.1"
|
||||
"hbs": "^4.0.1",
|
||||
"request": "^2.88.0"
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,6 +1,8 @@
|
||||
const path = require('path')
|
||||
const express = require('express')
|
||||
const hbs = require('hbs')
|
||||
const geocode = require('./utils/geocode')
|
||||
const forecast = require('./utils/forecast')
|
||||
|
||||
const app = express()
|
||||
|
||||
@ -46,10 +48,22 @@ app.get('/weather', (req, res) => {
|
||||
})
|
||||
}
|
||||
|
||||
res.send({
|
||||
forecast: 'It\'s pretty nice out. Not bad, really.',
|
||||
location: 'Calgary',
|
||||
address: req.query.address
|
||||
geocode(req.query.address, (error, {latitude, longitude, location}) => {
|
||||
if (error) {
|
||||
return res.send({ error: error })
|
||||
}
|
||||
|
||||
forecast(latitude, longitude, (error, forecastData) => {
|
||||
if (error) {
|
||||
return res.send({ error: error })
|
||||
}
|
||||
|
||||
res.send({
|
||||
forecast: forecastData,
|
||||
location,
|
||||
address: req.query.address
|
||||
})
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
|
||||
17
web-server/src/utils/forecast.js
Normal file
17
web-server/src/utils/forecast.js
Normal file
@ -0,0 +1,17 @@
|
||||
const request = require('request')
|
||||
|
||||
const forecast = (latitude, longitude, callback) => {
|
||||
const url = 'https://api.darksky.net/forecast/0466bccb953c0b9daeb091a529da2c0d/' + latitude + ',' + longitude + '?units=si'
|
||||
|
||||
request({ url, json: true }, (error, {body}) => {
|
||||
if (error) {
|
||||
callback('Unable to connect to weather service!', undefined)
|
||||
} else if (body.error) {
|
||||
callback('Unable to find location', undefined)
|
||||
} else {
|
||||
callback(undefined, body.daily.data[0].summary + ' It is currently ' + body.currently.temperature + ' degrees out. There is a ' + body.currently.precipProbability + '% chance of rain.')
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
module.exports = forecast
|
||||
21
web-server/src/utils/geocode.js
Normal file
21
web-server/src/utils/geocode.js
Normal file
@ -0,0 +1,21 @@
|
||||
const request = require('request')
|
||||
|
||||
const geocode = (address, callback) => {
|
||||
const url = 'https://api.mapbox.com/geocoding/v5/mapbox.places/' + encodeURIComponent(address) + '.json?access_token=pk.eyJ1IjoiamF5d2xsIiwiYSI6ImYyZjkyMGNlOTgyNGQ5ZWM5ZDExN2FjNGYwMDZmNTQ4In0.y3lv5ddmGhVNSL7wfMpB0g&limit=1'
|
||||
|
||||
request({ url, json: true }, (error, {body}) => {
|
||||
if (error) {
|
||||
callback('Unable to connect to location services!', undefined)
|
||||
} else if (body.features.length === 0) {
|
||||
callback('Unable to find location. Try another search.', undefined)
|
||||
} else {
|
||||
callback(undefined, {
|
||||
latitude: body.features[0].center[1],
|
||||
longitude: body.features[0].center[0],
|
||||
location: body.features[0].place_name
|
||||
})
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
module.exports = geocode
|
||||
Loading…
Reference in New Issue
Block a user