src/services/cartoDBService.ts
import config from 'config';
import logger from 'logger';
import Mustache from 'mustache';
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
import CartoDB from 'cartodb';
import GeostoreService from 'services/geostoreService';
import NotFound from "errors/notFound";
const WORLD: string = `WITH poly AS (SELECT * FROM ST_Transform(ST_SimplifyPreserveTopology(ST_SetSRID(ST_MakeValid(ST_GeomFromGeoJSON('{{{geojson}}}')), 4326), 0.01), 3857) geojson)
SELECT data_type, count(*) AS value
FROM imazon_sad i, poly WHERE i.date >= '{{begin}}'::date
AND i.date <= '{{end}}'::date and st_intersects(poly.geojson, i.the_geom_webmercator) group by data_type `;
const ISO: string = `
with p as (SELECT the_geom_webmercator FROM gadm2_countries_simple WHERE iso = UPPER('{{iso}}'))
SELECT data_type,
sum(ST_Area(i.the_geom_webmercator)/(100*100)) AS value
{{additionalSelect}}
FROM imazon_sad i right join p on st_intersects(i.the_geom_webmercator, p.the_geom_webmercator)
WHERE i.date >= '{{begin}}'::date
AND i.date <= '{{end}}'::date
GROUP BY data_type `;
const ID1: string = `with p as (SELECT the_geom_webmercator FROM gadm2_provinces_simple WHERE iso = UPPER('{{iso}}') AND id_1 = {{id1}})
SELECT data_type, SUM(ST_Area( ST_Intersection( i.the_geom_webmercator, p.the_geom_webmercator))/(10000)) AS value
FROM imazon_sad i right join p on st_intersects(i.the_geom_webmercator, p.the_geom_webmercator)
and i.date >= '{{begin}}'::date
AND i.date <= '{{end}}'::date
GROUP BY data_type`;
const USE: string = `SELECT data_type, SUM(ST_Area(ST_Intersection(
i.the_geom_webmercator,
p.the_geom_webmercator))/(10000)) AS value
{{additionalSelect}}
FROM {{useTable}} p inner join imazon_sad i
on ST_Intersects(
i.the_geom_webmercator,
p.the_geom_webmercator)
AND i.date >= '{{begin}}'::date
AND i.date <= '{{end}}'::date
where p.cartodb_id = {{pid}}
GROUP BY data_type`;
const WDPA: string = `WITH p as ( SELECT
CASE WHEN marine::numeric = 2
THEN null
WHEN ST_NPoints(the_geom_webmercator)<=18000 THEN the_geom_webmercator
WHEN ST_NPoints(the_geom_webmercator)
BETWEEN 18000 AND 50000
THEN ST_RemoveRepeatedPoints(the_geom_webmercator, 100)
ELSE ST_RemoveRepeatedPoints(the_geom_webmercator, 1000)
END as the_geom_webmercator, gis_area*100 as area_ha FROM wdpa_protected_areas where wdpaid={{wdpaid}})
SELECT data_type, SUM(ST_Area(ST_Intersection(
i.the_geom_webmercator,
p.the_geom_webmercator))/(10000)) AS value
{{additionalSelect}}
FROM p
inner join imazon_sad i
on st_intersects(i.the_geom_webmercator,
p.the_geom_webmercator)
and i.date >= '{{begin}}'::date
AND i.date <= '{{end}}'::date
GROUP BY data_type`;
const LATEST: string = `SELECT DISTINCT date
FROM imazon_sad
WHERE date IS NOT NULL
ORDER BY date DESC
LIMIT {{limit}}`;
const MIN_MAX_DATE_SQL: string = ', MIN(date) as min_date, MAX(date) as max_date ';
const executeThunk = async (client: CartoDB.SQL, sql: string, params: any): Promise<Record<string, any>> => (new Promise((resolve: (value: (PromiseLike<unknown> | unknown)) => void, reject: (reason?: any) => void) => {
logger.debug(Mustache.render(sql, params));
client.execute(sql, params).done((data: Record<string, any>) => {
resolve(data);
}).error((error: Error) => {
reject(error);
});
}));
const getToday = (): string => {
const today: Date = new Date();
return `${today.getFullYear().toString()}-${(today.getMonth() + 1).toString()}-${today.getDate().toString()}`;
};
const getYesterday = (): string => {
const yesterday: Date = new Date(Date.now() - (24 * 60 * 60 * 1000));
return `${yesterday.getFullYear().toString()}-${(yesterday.getMonth() + 1).toString()}-${yesterday.getDate().toString()}`;
};
const defaultDate = (): string => {
const to: string = getToday();
const from: string = getYesterday();
return `${from},${to}`;
};
class CartoDBService {
client: CartoDB.SQL;
apiUrl: string;
constructor() {
this.client = new CartoDB.SQL({
user: config.get('cartoDB.user')
});
this.apiUrl = config.get('cartoDB.apiUrl');
}
getDownloadUrls(query: string, params: Record<string, any>): Record<string, any> | void {
try {
const formats: string[] = ['csv', 'geojson', 'kml', 'shp', 'svg'];
const download: Record<string, any> = {};
let queryFinal: string = Mustache.render(query, params);
queryFinal = queryFinal.replace(MIN_MAX_DATE_SQL, '');
queryFinal = queryFinal.replace('SELECT data_type,', 'SELECT i.data_type, i.the_geom,');
queryFinal = queryFinal.replace('GROUP BY data_type', 'GROUP BY data_type, i.the_geom');
queryFinal = encodeURIComponent(queryFinal);
for (let i: number = 0, { length } = formats; i < length; i++) {
download[formats[i]] = `${this.apiUrl}?q=${queryFinal}&format=${formats[i]}`;
}
return download;
} catch (err) {
logger.error(err);
}
}
async getNational(iso: string, alertQuery: string, period: string = defaultDate(), apiKey: string): Promise<Record<string, any>> {
logger.debug('Obtaining national of iso %s', iso);
const periods: string[] = period.split(',');
const params: Record<string, any> = {
iso,
begin: periods[0],
end: periods[1]
};
if (alertQuery) {
params.additionalSelect = MIN_MAX_DATE_SQL;
}
const geostore: Record<string, any> = await GeostoreService.getGeostoreByIso(iso, apiKey);
if (geostore) {
if (iso === 'BRA') {
const data: Record<string, any> = await executeThunk(this.client, ISO, params);
if (data.rows) {
const result: Record<string, any> = {
value: data.rows
};
result.area_ha = geostore.areaHa;
result.downloadUrls = this.getDownloadUrls(ISO, params);
return result;
}
return {
area_ha: geostore.areaHa
};
}
return {
value: [],
area_ha: geostore.areaHa
};
}
return null;
}
async getSubnational(iso: string, id1: string, alertQuery: string, period: string = defaultDate(), apiKey: string): Promise<Record<string, any>> {
logger.debug('Obtaining subnational of iso %s and id1', iso, id1);
const periods: string[] = period.split(',');
const params: Record<string, any> = {
iso,
id1,
begin: periods[0],
end: periods[1]
};
if (alertQuery) {
params.additionalSelect = MIN_MAX_DATE_SQL;
}
const geostore: Record<string, any> = await GeostoreService.getGeostoreByIsoAndId(iso, id1, apiKey);
if (geostore) {
if (iso === 'BRA') {
const data: Record<string, any> = await executeThunk(this.client, ID1, params);
if (data.rows) {
const result: Record<string, any> = {
value: data.rows
};
result.area_ha = geostore.areaHa;
result.downloadUrls = this.getDownloadUrls(ID1, params);
return result;
}
return {
value: [],
area_ha: geostore.areaHa
};
}
return {
value: [],
area_ha: geostore.areaHa
};
}
return null;
}
async getUse(useName: string, useTable: string, id: string, alertQuery: string, period: string = defaultDate(), apiKey: string): Promise<Record<string, any>> {
logger.debug('Obtaining use with id %s', id);
const periods: string[] = period.split(',');
const params: Record<string, any> = {
useTable,
pid: id,
begin: periods[0],
end: periods[1]
};
if (alertQuery) {
params.additionalSelect = MIN_MAX_DATE_SQL;
}
const geostore: Record<string, any> = await GeostoreService.getGeostoreByUse(useName, id, apiKey);
const data: Record<string, any> = await executeThunk(this.client, USE, params);
if (geostore) {
if (data.rows && data.rows.length > 0 && data.rows[0].data_type !== null) {
const result: Record<string, any> = {
value: data.rows
};
result.area_ha = geostore.areaHa;
result.downloadUrls = this.getDownloadUrls(USE, params);
return result;
}
return {
value: [],
area_ha: geostore.areaHa
};
}
return null;
}
async getWdpa(wdpaid: string, alertQuery: string, period: string = defaultDate(), apiKey: string): Promise<Record<string, any>> {
logger.debug('Obtaining wpda of id %s', wdpaid);
const periods: string[] = period.split(',');
const params: Record<string, any> = {
wdpaid,
begin: periods[0],
end: periods[1]
};
if (alertQuery) {
params.additionalSelect = MIN_MAX_DATE_SQL;
}
const geostore: Record<string, any> = await GeostoreService.getGeostoreByWdpa(wdpaid, apiKey);
const data: Record<string, any> = await executeThunk(this.client, WDPA, params);
if (geostore) {
if (data.rows) {
const result: Record<string, any> = {
value: data.rows
};
result.area_ha = geostore.areaHa;
result.downloadUrls = this.getDownloadUrls(WDPA, params);
return result;
}
return {
value: [],
area_ha: geostore.areaHa
};
}
return null;
}
async getWorld(hashGeoStore: string, alertQuery: string, period: string = defaultDate(), apiKey: string): Promise<Record<string, any>> {
logger.debug('Obtaining world with hashGeoStore %s', hashGeoStore);
const geostore: Record<string, any> = await GeostoreService.getGeostoreByHash(hashGeoStore, apiKey);
if (geostore && geostore.geojson) {
logger.debug('Executing query in cartodb with geojson', geostore.geojson);
const periods: string[] = period.split(',');
const params: Record<string, any> = {
geojson: JSON.stringify(geostore.geojson.features[0].geometry),
begin: periods[0],
end: periods[1]
};
if (alertQuery) {
params.additionalSelect = MIN_MAX_DATE_SQL;
}
const data: Record<string, any> = await executeThunk(this.client, WORLD, params);
if (data.rows) {
const result: Record<string, any> = {
value: data.rows
};
result.area_ha = geostore.areaHa;
result.downloadUrls = this.getDownloadUrls(WORLD, params);
return result;
}
return null;
}
throw new NotFound('Geostore not found');
}
async getWorldWithGeojson(geojson: Record<string, any>, alertQuery: string, period: string = defaultDate()): Promise<Record<string, any>> {
logger.debug('Executing query in cartodb with geojson', geojson);
const periods: string[] = period.split(',');
const params: Record<string, any> = {
geojson: JSON.stringify(geojson.features[0].geometry),
begin: periods[0],
end: periods[1]
};
if (alertQuery) {
params.additionalSelect = MIN_MAX_DATE_SQL;
}
const data: Record<string, any> = await executeThunk(this.client, WORLD, params);
if (data.rows) {
const result: Record<string, any> = {
value: data.rows
};
if (data.rows.length > 0) {
result.area_ha = data.rows[0].area_ha;
}
result.downloadUrls = this.getDownloadUrls(ISO, params);
return result;
}
return null;
}
async latest(limit: string = "3"): Promise<Array<any> | void> {
logger.debug('Obtaining latest with limit %s', limit);
const parsedLimit: number = parseInt(limit, 10);
const params: { limit: number } = {
limit: parsedLimit
};
const data: Record<string, any> = await executeThunk(this.client, LATEST, params);
logger.debug('data', data);
if (data.rows) {
return data.rows;
}
return null;
}
}
export default new CartoDBService();