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This commit is contained in:
Tom Russell 2019-02-24 19:28:11 +00:00
parent 4fc4d314fd
commit 2d8b62fb84
8 changed files with 166 additions and 169 deletions
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45
app/src/api/building.js
View File

@ -31,14 +31,14 @@ function queryBuildingsAtPoint(lng, lat) {
)
`,
[lng, lat]
).catch(function(error){
).catch(function (error) {
console.error(error);
return undefined;
});
}
function queryBuildingsByReference(key, id) {
if (key === 'toid'){
if (key === 'toid') {
return db.manyOrNone(
`SELECT
*
@ -48,7 +48,7 @@ function queryBuildingsByReference(key, id) {
ref_toid = $1
`,
[id]
).catch(function(error){
).catch(function (error) {
console.error(error);
return undefined;
});
@ -65,19 +65,19 @@ function queryBuildingsByReference(key, id) {
p.uprn = $1
`,
[id]
).catch(function(error){
).catch(function (error) {
console.error(error);
return undefined;
});
}
return {error: 'Key must be UPRN or TOID'};
return { error: 'Key must be UPRN or TOID' };
}
function getBuildingById(id) {
return db.one(
"SELECT * FROM buildings WHERE building_id = $1",
[id]
).catch(function(error){
).catch(function (error) {
console.error(error);
return undefined;
});
@ -89,7 +89,7 @@ function getBuildingLikeById(building_id, user_id) {
[building_id, user_id]
).then(res => {
return res && res.like
}).catch(function(error){
}).catch(function (error) {
console.error(error);
return undefined;
});
@ -99,7 +99,7 @@ function getBuildingUPRNsById(id) {
return db.any(
"SELECT uprn, parent_uprn FROM building_properties WHERE building_id = $1",
[id]
).catch(function(error){
).catch(function (error) {
console.error(error);
return undefined;
});
@ -160,10 +160,9 @@ function saveBuilding(building_id, building, user_id) {
)
});
});
}).catch(function(error){
// TODO report transaction error as 'Need to re-fetch building before update'
}).catch(function (error) {
console.error(error);
return {error: error};
return { error: error };
});
}
@ -175,7 +174,7 @@ function likeBuilding(building_id, user_id) {
// - insert changeset
// - update building to latest state
// commit or rollback (serializable - could be more compact?)
return db.tx({serializable}, t => {
return db.tx({ serializable }, t => {
return t.none(
"INSERT INTO building_user_likes ( building_id, user_id ) VALUES ($1, $2);",
[building_id, user_id]
@ -191,7 +190,7 @@ function likeBuilding(building_id, user_id) {
$1:json, $2, $3
) RETURNING log_id
`,
[{likes_total: building.likes}, building_id, user_id]
[{ likes_total: building.likes }, building_id, user_id]
).then(revision => {
return t.one(
`UPDATE buildings
@ -208,12 +207,11 @@ function likeBuilding(building_id, user_id) {
})
});
});
}).catch(function(error){
// TODO report transaction error as 'Need to re-fetch building before update'
}).catch(function (error) {
console.error(error);
if (error.detail && error.detail.includes("already exists")){
if (error.detail && error.detail.includes("already exists")) {
// 'already exists' is thrown if user already liked it
return {error: 'It looks like you already like that building!'};
return { error: 'It looks like you already like that building!' };
} else {
return undefined
}
@ -228,7 +226,7 @@ function unlikeBuilding(building_id, user_id) {
// - insert changeset
// - update building to latest state
// commit or rollback (serializable - could be more compact?)
return db.tx({serializable}, t => {
return db.tx({ serializable }, t => {
return t.none(
"DELETE FROM building_user_likes WHERE building_id = $1 AND user_id = $2;",
[building_id, user_id]
@ -244,7 +242,7 @@ function unlikeBuilding(building_id, user_id) {
$1:json, $2, $3
) RETURNING log_id
`,
[{likes_total: building.likes}, building_id, user_id]
[{ likes_total: building.likes }, building_id, user_id]
).then(revision => {
return t.one(
`UPDATE buildings
@ -261,12 +259,11 @@ function unlikeBuilding(building_id, user_id) {
})
});
});
}).catch(function(error){
// TODO report transaction error as 'Need to re-fetch building before update'
}).catch(function (error) {
console.error(error);
if (error.detail && error.detail.includes("already exists")){
if (error.detail && error.detail.includes("already exists")) {
// 'already exists' is thrown if user already liked it
return {error: 'It looks like you already like that building!'};
return { error: 'It looks like you already like that building!' };
} else {
return undefined
}
@ -331,7 +328,7 @@ const BUILDING_FIELD_WHITELIST = new Set([
* @param {Set} whitelist
* @returns {[object, object]}
*/
function compare(old_obj, new_obj, whitelist){
function compare(old_obj, new_obj, whitelist) {
const reverse_patch = {}
const forward_patch = {}
for (const [key, value] of Object.entries(new_obj)) {

2
app/src/api/search.js
View File

@ -8,7 +8,7 @@
*/
import db from '../db';
function queryLocation(term){
function queryLocation(term) {
const max_results = 5;
return db.manyOrNone(
`SELECT

44
app/src/api/user.js
View File

@ -7,10 +7,10 @@ import db from '../db';
function createUser(user) {
if (!user.password || user.password.length < 8) {
return Promise.reject({error: 'Password must be at least 8 characters'})
return Promise.reject({ error: 'Password must be at least 8 characters' })
}
if (user.password.length > 70) {
return Promise.reject({error: 'Password must be at most 70 characters'})
return Promise.reject({ error: 'Password must be at most 70 characters' })
}
return db.one(
`INSERT
@ -26,21 +26,21 @@ function createUser(user) {
crypt($3, gen_salt('bf'))
) RETURNING user_id
`, [
user.username,
user.email,
user.password
user.username,
user.email,
user.password
]
).catch(function(error){
).catch(function (error) {
console.error('Error:', error)
if (error.detail.indexOf('already exists') !== -1){
if (error.detail.indexOf('username') !== -1){
return {error:'Username already registered'};
if (error.detail.indexOf('already exists') !== -1) {
if (error.detail.indexOf('username') !== -1) {
return { error: 'Username already registered' };
} else if (error.detail.indexOf('email') !== -1) {
return {error: 'Email already registered'};
return { error: 'Email already registered' };
}
}
return {error: 'Database error'}
return { error: 'Database error' }
});
}
@ -55,18 +55,18 @@ function authUser(username, password) {
WHERE
username = $1
`, [
username,
password
username,
password
]
).then(function(user){
).then(function (user) {
if (user && user.auth_ok) {
return {user_id: user.user_id}
return { user_id: user.user_id }
} else {
return {error: 'Username or password not recognised'}
return { error: 'Username or password not recognised' }
}
}).catch(function(err){
}).catch(function (err) {
console.error(err);
return {error: 'Username or password not recognised'};
return { error: 'Username or password not recognised' };
})
}
@ -81,7 +81,7 @@ function getUserById(user_id) {
`, [
user_id
]
).catch(function(error){
).catch(function (error) {
console.error('Error:', error)
return undefined;
});
@ -100,9 +100,9 @@ function getNewUserAPIKey(user_id) {
`, [
user_id
]
).catch(function(error){
).catch(function (error) {
console.error('Error:', error)
return {error: 'Failed to generate new API key.'};
return { error: 'Failed to generate new API key.' };
});
}
@ -117,7 +117,7 @@ function authAPIUser(api_key) {
`, [
api_key
]
).catch(function(error){
).catch(function (error) {
console.error('Error:', error)
return undefined;
});

4
app/src/parse.js
View File

@ -14,7 +14,7 @@ function strictParseInt(value) {
}
function parseBuildingURL(url){
function parseBuildingURL(url) {
const re = /\/building\/([^/]+).html/;
const matches = re.exec(url);
@ -30,7 +30,7 @@ function parseCategoryURL(url) {
return default_cat
}
const matches = /^\/(view|edit)\/([^/.]+)/.exec(url);
const cat = (matches && matches.length >= 3)? matches[2] : default_cat;
const cat = (matches && matches.length >= 3) ? matches[2] : default_cat;
return cat;
}

190
app/src/server.js
View File

@ -10,7 +10,7 @@ import express from 'express';
import { renderToString } from 'react-dom/server';
import serialize from 'serialize-javascript';
import bodyParser from 'body-parser';
import bodyParser from 'body-parser';
import session from 'express-session';
import pgConnect from 'connect-pg-simple';
@ -52,7 +52,7 @@ const sess = {
name: 'cl.session',
store: new pgSession({
pgPromise: db,
tableName : 'user_sessions'
tableName: 'user_sessions'
}),
secret: process.env.APP_COOKIE_SECRET,
saveUninitialized: false,
@ -78,22 +78,22 @@ function frontendRoute(req, res) {
const user_id = req.session.user_id;
const building_id = parseBuildingURL(req.url);
const is_building = (typeof(building_id) !== "undefined");
if (is_building && isNaN(building_id)){
const is_building = (typeof (building_id) !== "undefined");
if (is_building && isNaN(building_id)) {
context.status = 404;
}
Promise.all([
user_id? getUserById(user_id) : undefined,
is_building? getBuildingById(building_id) : undefined,
is_building? getBuildingUPRNsById(building_id) : undefined,
(is_building && user_id)? getBuildingLikeById(building_id, user_id) : false
]).then(function(values){
user_id ? getUserById(user_id) : undefined,
is_building ? getBuildingById(building_id) : undefined,
is_building ? getBuildingUPRNsById(building_id) : undefined,
(is_building && user_id) ? getBuildingLikeById(building_id, user_id) : false
]).then(function (values) {
const user = values[0];
const building = values[1];
const uprns = values[2];
const building_like = values[3];
if (is_building && typeof(building) === "undefined"){
if (is_building && typeof (building) === "undefined") {
context.status = 404
}
data.user = user;
@ -113,7 +113,7 @@ function frontendRoute(req, res) {
});
}
function renderHTML(context, data, req, res){
function renderHTML(context, data, req, res) {
const markup = renderToString(
<StaticRouter context={context} location={req.url}>
<App user={data.user} building={data.building} building_like={data.building_like} />
@ -124,7 +124,7 @@ function renderHTML(context, data, req, res){
res.redirect(context.url);
} else {
res.status(context.status).send(
`<!doctype html>
`<!doctype html>
<html lang="">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
@ -141,15 +141,15 @@ function renderHTML(context, data, req, res){
}
</style>
${
assets.client.css
? `<link rel="stylesheet" href="${assets.client.css}">`
: ''
}
assets.client.css
? `<link rel="stylesheet" href="${assets.client.css}">`
: ''
}
${
process.env.NODE_ENV === 'production'
? `<script src="${assets.client.js}" defer></script>`
: `<script src="${assets.client.js}" defer crossorigin></script>`
}
process.env.NODE_ENV === 'production'
? `<script src="${assets.client.js}" defer></script>`
: `<script src="${assets.client.js}" defer crossorigin></script>`
}
</head>
<body>
<div id="root">${markup}</div>
@ -169,24 +169,24 @@ server.use('/tiles', tileserver);
// not implemented - may be useful to GET all buildings, paginated
// GET buildings at point
server.get('/buildings/locate', function(req, res){
server.get('/buildings/locate', function (req, res) {
const { lng, lat } = req.query;
queryBuildingsAtPoint(lng, lat).then(function(result){
queryBuildingsAtPoint(lng, lat).then(function (result) {
res.send(result);
}).catch(function(error){
}).catch(function (error) {
console.error(error);
res.send({error:'Database error'})
res.send({ error: 'Database error' })
})
});
// GET buildings by reference (UPRN/TOID or other identifier)
server.get('/buildings/reference', function(req, res){
server.get('/buildings/reference', function (req, res) {
const { key, id } = req.query;
queryBuildingsByReference(key, id).then(function(result){
queryBuildingsByReference(key, id).then(function (result) {
res.send(result);
}).catch(function(error){
}).catch(function (error) {
console.error(error);
res.send({error:'Database error'})
res.send({ error: 'Database error' })
})
});
@ -194,31 +194,31 @@ server.get('/buildings/reference', function(req, res){
server.route('/building/:building_id.json')
.get(function (req, res) {
const { building_id } = req.params;
getBuildingById(building_id).then(function(result){
getBuildingById(building_id).then(function (result) {
res.send(result);
}).catch(function(error){
}).catch(function (error) {
console.error(error);
res.send({error:'Database error'})
res.send({ error: 'Database error' })
})
})
.post(function (req, res) {
if (req.session.user_id) {
updateBuilding(req, res, req.session.user_id);
} else if (req.query.api_key) {
} else if (req.query.api_key) {
authAPIUser(req.query.api_key)
.then(function(user){
.then(function (user) {
updateBuilding(req, res, user.user_id)
})
.catch(function(err){
.catch(function (err) {
console.error(err);
res.send({error: 'Must be logged in'});
res.send({ error: 'Must be logged in' });
});
} else {
res.send({error: 'Must be logged in'});
res.send({ error: 'Must be logged in' });
}
})
function updateBuilding(req, res, user_id){
function updateBuilding(req, res, user_id) {
const { building_id } = req.params;
const building = req.body;
saveBuilding(building_id, building, user_id).then(building => {
@ -226,72 +226,72 @@ function updateBuilding(req, res, user_id){
res.send(building)
return
}
if (typeof(building) === "undefined") {
res.send({error:'Database error'})
if (typeof (building) === "undefined") {
res.send({ error: 'Database error' })
return
}
res.send(building)
}).catch(
() => res.send({error:'Database error'})
() => res.send({ error: 'Database error' })
)
}
// GET building UPRNs
server.get('/building/:building_id/uprns.json', function (req, res) {
const { building_id } = req.params;
getBuildingUPRNsById(building_id).then(function(result){
if (typeof(result) === "undefined") {
res.send({error:'Database error'})
return
}
res.send({
uprns: result
});
}).catch(function(error){
console.error(error);
res.send({error:'Database error'})
})
const { building_id } = req.params;
getBuildingUPRNsById(building_id).then(function (result) {
if (typeof (result) === "undefined") {
res.send({ error: 'Database error' })
return
}
res.send({
uprns: result
});
}).catch(function (error) {
console.error(error);
res.send({ error: 'Database error' })
})
})
// GET/POST like building
server.route('/building/:building_id/like.json')
.get(function(req, res){
.get(function (req, res) {
if (!req.session.user_id) {
res.send({like: false}); // not logged in, so cannot have liked
res.send({ like: false }); // not logged in, so cannot have liked
return
}
const { building_id } = req.params;
getBuildingLikeById(building_id, req.session.user_id).then(like => {
if (typeof(like) === "undefined") {
res.send({like: false})
if (typeof (like) === "undefined") {
res.send({ like: false })
return
}
// any value returned means like
res.send({like: true})
res.send({ like: true })
}).catch(
() => res.send({error:'Database error'})
() => res.send({ error: 'Database error' })
)
})
.post(function(req, res){
.post(function (req, res) {
if (!req.session.user_id) {
res.send({error: 'Must be logged in'});
res.send({ error: 'Must be logged in' });
return
}
const { building_id } = req.params;
const { like } = req.body;
if (like){
if (like) {
likeBuilding(building_id, req.session.user_id).then(building => {
if (building.error) {
res.send(building)
return
}
if (typeof(building) === "undefined") {
res.send({error:'Database error'})
if (typeof (building) === "undefined") {
res.send({ error: 'Database error' })
return
}
res.send(building)
}).catch(
() => res.send({error:'Database error'})
() => res.send({ error: 'Database error' })
)
} else {
unlikeBuilding(building_id, req.session.user_id).then(building => {
@ -299,113 +299,113 @@ server.route('/building/:building_id/like.json')
res.send(building)
return
}
if (typeof(building) === "undefined") {
res.send({error:'Database error'})
if (typeof (building) === "undefined") {
res.send({ error: 'Database error' })
return
}
res.send(building)
}).catch(
() => res.send({error:'Database error'})
() => res.send({ error: 'Database error' })
)
}
})
// POST new user
server.post('/users', function(req, res){
server.post('/users', function (req, res) {
const user = req.body;
if (req.session.user_id) {
res.send({error: 'Already signed in'});
res.send({ error: 'Already signed in' });
return
}
if (user.email){
if (user.email) {
if (user.email != user.confirm_email) {
res.send({error: "Email did not match confirmation."});
res.send({ error: "Email did not match confirmation." });
return
}
} else {
user.email = null;
}
createUser(user).then(function(result){
createUser(user).then(function (result) {
if (result.user_id) {
req.session.user_id = result.user_id;
res.send({user_id: result.user_id});
res.send({ user_id: result.user_id });
} else {
req.session.user_id = undefined;
res.send({error: result.error});
res.send({ error: result.error });
}
}).catch(function(err){
}).catch(function (err) {
console.error(err);
res.send(err)
});
});
// POST user auth
server.post('/login', function(req, res){
authUser(req.body.username, req.body.password).then(function(user) {
server.post('/login', function (req, res) {
authUser(req.body.username, req.body.password).then(function (user) {
if (user.user_id) {
req.session.user_id = user.user_id;
} else {
req.session.user_id = undefined;
}
res.send(user);
}).catch(function(error){
}).catch(function (error) {
res.send(error);
})
});
// POST user logout
server.post('/logout', function(req, res){
server.post('/logout', function (req, res) {
req.session.user_id = undefined;
req.session.destroy(function(err){
req.session.destroy(function (err) {
if (err) {
console.error(err);
res.send({error: 'Failed to end session'})
res.send({ error: 'Failed to end session' })
}
res.send({success: true});
res.send({ success: true });
});
});
// GET own user info
server.get('/users/me', function(req, res){
server.get('/users/me', function (req, res) {
if (!req.session.user_id) {
res.send({error: 'Must be logged in'});
res.send({ error: 'Must be logged in' });
return
}
getUserById(req.session.user_id).then(function(user){
getUserById(req.session.user_id).then(function (user) {
res.send(user);
}).catch(function(error){
}).catch(function (error) {
res.send(error);
});
});
// POST generate API key
server.post('/api/key', function(req, res){
server.post('/api/key', function (req, res) {
if (!req.session.user_id) {
res.send({error: 'Must be logged in'});
res.send({ error: 'Must be logged in' });
return
}
getNewUserAPIKey(req.session.user_id).then(function(api_key){
getNewUserAPIKey(req.session.user_id).then(function (api_key) {
res.send(api_key);
}).catch(function(error){
}).catch(function (error) {
res.send(error);
});
})
// GET search
server.get('/search', function(req, res){
server.get('/search', function (req, res) {
const search_term = req.query.q;
if (!search_term){
if (!search_term) {
res.send({
error: 'Please provide a search term'
})
return
}
queryLocation(search_term).then((results) => {
if (typeof(results) === "undefined") {
if (typeof (results) === "undefined") {
res.send({
error: 'Database error'
})
@ -425,7 +425,7 @@ server.get('/search', function(req, res){
}
})
})
}).catch(function(error){
}).catch(function (error) {
res.send(error);
});
})

10
app/src/tiles/cache.js
View File

@ -20,7 +20,7 @@ import fs from 'node-fs';
const CACHE_PATH = process.env.TILECACHE_PATH
function get(tileset, z, x, y, cb){
function get(tileset, z, x, y, cb) {
if (!should_try_cache(tileset, z)) {
cb(`Skip cache get ${tileset}/${z}/${x}/${y}`, null)
return
@ -30,7 +30,7 @@ function get(tileset, z, x, y, cb){
fs.readFile(fname, cb)
}
function put(im, tileset, z, x, y, cb){
function put(im, tileset, z, x, y, cb) {
if (!should_try_cache(tileset, z)) {
cb(`Skip cache put ${tileset}/${z}/${x}/${y}`)
return
@ -40,7 +40,7 @@ function put(im, tileset, z, x, y, cb){
fs.writeFile(fname, im, 'binary', (err) => {
if (err && err.code === 'ENOENT') {
fs.mkdir(dir, 0o755, true, (err) => {
if (err){
if (err) {
cb(err);
} else {
fs.writeFile(fname, im, 'binary', cb);
@ -53,11 +53,11 @@ function put(im, tileset, z, x, y, cb){
}
function should_try_cache(tileset, z) {
if (tileset === 'date_year'){
if (tileset === 'date_year') {
// cache high zoom because of front page hits
return z <= 16
}
if (tileset === 'base_light' || tileset === 'base_night') {
if (tileset === 'base_light' || tileset === 'base_night') {
// cache for higher zoom levels (unlikely to change)
return z <= 17
}

16
app/src/tiles/tile.js
View File

@ -14,7 +14,7 @@ const DATASOURCE_CONFIG = {
'password': process.env.PGPASSWORD,
'port': process.env.PGPORT,
'geometry_field': 'geometry_geom',
'extent' : '-20005048.4188,-9039211.13765,19907487.2779,17096598.5401',
'extent': '-20005048.4188,-9039211.13765,19907487.2779,17096598.5401',
'srid': 3857,
'type': 'postgis'
}
@ -129,26 +129,26 @@ const mercator = new SphericalMercator({
size: TILE_SIZE
});
function get_bbox(z, x, y){
function get_bbox(z, x, y) {
return mercator.bbox(x, y, z, false, '900913');
}
function get_xyz(bbox, z){
function get_xyz(bbox, z) {
return mercator.xyz(bbox, z, false, '900913')
}
function render_tile(tileset, z, x, y, geometry_id, cb){
function render_tile(tileset, z, x, y, geometry_id, cb) {
const bbox = get_bbox(z, x, y)
const map = new mapnik.Map(TILE_SIZE, TILE_SIZE, PROJ4_STRING);
map.bufferSize = TILE_BUFFER_SIZE;
const layer = new mapnik.Layer('tile', PROJ4_STRING);
const table_def = (tileset === 'highlight')?
const table_def = (tileset === 'highlight') ?
get_highlight_table_def(geometry_id)
: MAP_STYLE_TABLE_DEFINITIONS[tileset];
const conf = Object.assign({table: table_def}, DATASOURCE_CONFIG)
const conf = Object.assign({ table: table_def }, DATASOURCE_CONFIG)
var postgis;
try {
@ -159,7 +159,7 @@ function render_tile(tileset, z, x, y, geometry_id, cb){
map.load(
path.join(__dirname, '..', 'map_styles', 'polygon.xml'),
{ strict: true },
function(err, map){
function (err, map) {
if (err) throw err
map.add_layer(layer)
@ -171,7 +171,7 @@ function render_tile(tileset, z, x, y, geometry_id, cb){
});
}
)
} catch(err) {
} catch (err) {
console.error(err);
}
}

24
app/src/tiles/tileserver.js
View File

@ -48,17 +48,17 @@ function handle_tile_request(tileset, req, res) {
const int_x = strictParseInt(x);
const int_y = strictParseInt(y);
if (isNaN(int_x) || isNaN(int_y) || isNaN(int_z)){
if (isNaN(int_x) || isNaN(int_y) || isNaN(int_z)) {
console.error("Missing x or y or z")
return {error:'Bad parameter'}
return { error: 'Bad parameter' }
}
load_tile(tileset, int_z, int_x, int_y).then((im) => {
res.writeHead(200, {'Content-Type': 'image/png'})
res.writeHead(200, { 'Content-Type': 'image/png' })
res.end(im)
}).catch((err) => {
console.error(err)
res.status(500).send({error: err})
res.status(500).send({ error: err })
})
}
@ -158,8 +158,8 @@ function stitch_tile(tileset, z, x, y) {
).png().toBuffer()
}).then((buf) => {
return sharp(buf
).resize(256, 256, {fit: 'inside'}
).png().toBuffer()
).resize(256, 256, { fit: 'inside' }
).png().toBuffer()
})
});
}
@ -171,23 +171,23 @@ function handle_highlight_tile_request(req, res) {
const int_x = strictParseInt(x);
const int_y = strictParseInt(y);
if (isNaN(int_x) || isNaN(int_y) || isNaN(int_z)){
if (isNaN(int_x) || isNaN(int_y) || isNaN(int_z)) {
console.error("Missing x or y or z")
return {error:'Bad parameter'}
return { error: 'Bad parameter' }
}
// highlight layer uses geometry_id to outline a single building
const { highlight } = req.query
const geometry_id = strictParseInt(highlight);
if(isNaN(geometry_id)){
res.status(400).send({error:'Bad parameter'})
if (isNaN(geometry_id)) {
res.status(400).send({ error: 'Bad parameter' })
return
}
render_tile('highlight', int_z, int_x, int_y, geometry_id, function(err, im) {
render_tile('highlight', int_z, int_x, int_y, geometry_id, function (err, im) {
if (err) throw err
res.writeHead(200, {'Content-Type': 'image/png'})
res.writeHead(200, { 'Content-Type': 'image/png' })
res.end(im)
})
}