pointsight/apiHandler/freifunk/main.js

147 lines
4.1 KiB
JavaScript

const fs = require("fs");
const bent = require('bent')
const mysql = require("mysql");
const tools = require("../../functions");
let con = undefined;
function initialize(connection) {
con = connection;
const array = fs
.readFileSync("./apiHandler/freifunk/db_table_config.sql")
.toString()
.split("\n");
for (i in array) {
con.query(array[i], function (err, result) {
tools.handleMysqlErrors(err, getModuleMeta().title);
console.log("Table created for freifunk");
});
}
const freifunkDataUrl = "https://www.freifunk-karte.de/data.php";
const mysqlQuery =
"INSERT INTO freifunk (name, description, source_id, loc, protocol_id, link) VALUES (?, ?, ?, POINT(?, ?), ?, ?)";
const resulter = bent(freifunkDataUrl, 'GET', 'json', 200);
resulter().then(function(body){
console.log("[Freifunk] Request done");
for (let c = 0; c < body.allTheRouters.length; c++) {
const elm = body.allTheRouters[c];
con.query(
mysqlQuery,
[
elm.name,
elm.community,
getModuleMeta().exactName,
elm.lat,
elm.long,
0,
"https://www.freifunk-karte.de/",
],
function (err, result) {
tools.handleMysqlErrors(err, getModuleMeta().title);
}
);
}
console.log("[Freifunk] Insert into Database done!");
}, function(err){
console.warn("[" + getModuleMeta().title + "] Was unable to resolve request with error: " + err)
});
}
function queryData(boundNorthEastLatLng, boundSouthWestLatLng, minimal) {
return new Promise(function (resolve, reject) {
// The Promise constructor should catch any errors thrown on
// this tick. Alternately, try/catch and reject(err) on catch.
let elementsToQuery = "*";
if (minimal) {
elementsToQuery = "id,loc,source_id";
}
const sqlQuery = " \
SELECT " + elementsToQuery + " \
FROM freifunk \
WHERE MBRContains( \
GeomFromText( 'LINESTRING(? ?,? ?)' ), \
loc)";
con.query(sqlQuery, [boundNorthEastLatLng.lat, boundNorthEastLatLng.lng, boundSouthWestLatLng.lat, boundSouthWestLatLng.lng], function (err, rows, fields) {
// Call reject on error states,
// call resolve with results
if (err) {
return reject(err);
}
const results = [];
for (let e = 0; e < rows.length; e++) {
const currentRow = rows[e];
const element = {
type: "general-poi",
source: "Freifunk",
titel: currentRow.name,
description:
"This is an AP by the " +
currentRow.description +
" Freifunk Comunity",
url: currentRow.link,
uid: "freifunk_" + currentRow.id,
location: currentRow.loc,
icon: "wifiIcon"
};
if (minimal) {
const stripableElements = ["title", "description", "url", "type"];
for (h in stripableElements) {
delete element[stripableElements[h]];
}
}
results.push(element);
}
resolve(results);
});
});
}
function queryItem(uid){
const uidParts = uid.split("_");
const sqlQuery = "SELECT * FROM " + getModuleMeta().exactName + " WHERE id=?"
return new Promise(function (resolve, reject) {
con.query(sqlQuery, [parseInt(uidParts[1])], function (err, rows, fields) {
if (err) {
return reject(err);
}
const results = [];
for (let e = 0; e < rows.length; e++) {
const currentRow = rows[e];
const element = {
type: "general-poi",
source: "Freifunk",
titel: currentRow.name,
description:
"This is an AP by the " +
currentRow.description +
" Freifunk Comunity",
url: currentRow.link,
uid: "freifunk_" + currentRow.id,
location: currentRow.loc,
icon: "wifiIcon"
};
results.push(element);
}
resolve(results)
});
});
}
function getModuleMeta() {
return {
title: "Freifunk",
exactName: "freifunk",
country: ["*"],
tags: ["AP"],
limited: false,
};
}
module.exports = { initialize, queryData, getModuleMeta, queryItem };