diff --git a/.gitignore b/.gitignore index 5b81063..06acad6 100644 --- a/.gitignore +++ b/.gitignore @@ -8,3 +8,4 @@ stoepel_cache.sqlite result input.txt greek.csv +node_modules diff --git a/osm-restaurants/default.nix b/osm-restaurants/default.nix new file mode 100644 index 0000000..9e16a24 --- /dev/null +++ b/osm-restaurants/default.nix @@ -0,0 +1,7 @@ +{mkYarnPackage}: +mkYarnPackage { + name = "osm-restaurants"; + src = ./.; + packageJson = ./package.json; + yarnLock = ./yarn.lock; +} diff --git a/osm-restaurants/osm-restaurants.js b/osm-restaurants/osm-restaurants.js new file mode 100755 index 0000000..fb64863 --- /dev/null +++ b/osm-restaurants/osm-restaurants.js @@ -0,0 +1,106 @@ +#!/usr/bin/env node +const crypto = require("crypto"); +const fs = require("fs"); +const os = require("os"); +const path = require("path"); + +const axios = require("axios"); +const openingHours = require("opening_hours"); +const yargs = require("yargs"); + +const CACHE_AGE = 12 * 60 * 60 * 1000; + +const md5 = (text) => crypto.createHash("md5").update(text).digest("hex"); + +const getCachePath = (query) => { + const cacheDirectory = + process.env.CACHE_DIR || + path.join(os.homedir(), ".cache", "osm-restaurants"); + if (!fs.existsSync(cacheDirectory)) fs.mkdirSync(cacheDirectory); + return path.join(cacheDirectory, md5(query) + ".json"); +}; + +const randomElement = (array) => + array[Math.floor(array.length * Math.random())]; + +const argv = yargs + .option("checkOpen", { + alias: "o", + default: true, + type: "boolean", + description: "Only show restaurants that are open", + }) + .option("radius", { + alias: "r", + description: "Radius around the location (metres)", + type: "number", + default: 500, + }) + .option("center", { + alias: "c", + description: "The OSM ID to search around", + type: "number", + demandOption: true, + }) + .option("endpoint", { + description: "The Overpass API endpoint", + type: "string", + default: "http://overpass-api.de/api/interpreter", + }) + .option("country", { + description: "The country you are in (two letter code)", + type: "string", + default: "de", + }) + .help() + .alias("help", "h").argv; + +const overpassQuery = ` + [out:json]; + node(id:${argv.center})->.center; + ( + node(around.center:'${argv.radius}')[amenity=fast_food]; + node(around.center:'${argv.radius}')[amenity=restaurant]; + ); + out; +`; + +const restaurantOpen = (restaurant) => + "opening_hours" in restaurant.tags + ? new openingHours(restaurant.tags.opening_hours, { + lat: restaurant.lat, + lon: restaurant.lon, + address: { + country_code: + "addr:country" in restaurant.tags + ? restaurant.tags["addr:country"].toLowerCase() + : argv.country, + }, + }).getState() + : true; + +const withRestaurants = (callback) => { + const cachePath = getCachePath(overpassQuery); + if ( + fs.existsSync(cachePath) && + new Date() - fs.statSync(cachePath).mtime > CACHE_AGE + ) + return JSON.parse(fs.readFileSync(cachePath)); + else + return axios + .post(argv.endpoint, overpassQuery) + .then((response) => { + const restaurants = response.data.elements; + fs.writeFileSync(cachePath, JSON.stringify(restaurants)); + callback(restaurants); + }) + .catch(console.error); +}; + +withRestaurants((restaurants) => { + const randomOpenRestaurant = randomElement( + argv.checkOpen ? restaurants.filter(restaurantOpen) : restaurants + ); + + console.log(JSON.stringify(randomOpenRestaurant)); +}); diff --git a/osm-restaurants/package.json b/osm-restaurants/package.json new file mode 100644 index 0000000..d2cd208 --- /dev/null +++ b/osm-restaurants/package.json @@ -0,0 +1,12 @@ +{ + "name": "osm-restaurants", + "version": "1.0.0", + "bin": "osm-restaurants.js", + "author": "kmein", + "license": "MIT", + "dependencies": { + "axios": "^1.1.2", + "opening_hours": "^3.8.0", + "yargs": "^17.6.0" + } +} diff --git a/osm-restaurants/yarn.lock b/osm-restaurants/yarn.lock new file mode 100644 index 0000000..131fa4b --- /dev/null +++ b/osm-restaurants/yarn.lock @@ -0,0 +1,206 @@ +# THIS IS AN AUTOGENERATED FILE. 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