haldis/app/static/js/map.js

var map = L.map('mapid');
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
	attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);


let base_request_uri = "https://photon.komoot.io/api/?limit=1&q=";

function performRequest(url, location, success_callback) {
	var request = new XMLHttpRequest();
	request.open('GET', url, true);
	request.onload = function() {
		if (this.status >= 200 && this.status < 400) {
			// Success!
			var data = JSON.parse(this.response);
			success_callback(location, data);
		} else {
			// We reached our target server, but it returned an error
		}
	};
	request.onerror = function() {
		console.log("Error requestion location coordinates");
		// There was a connection error of some sort
	};
	request.send();
}

let marker_icon = L.icon({
	iconUrl: "/static/images/marker-icon.png",
	shadowUrl: "/static/images/marker-shadow.png",
	iconAnchor: [12, 41]
});

let callback = function OSMCallBack(location, data) {
	let lat, lon;
	if (data.features.length >= 1) {
		let place = data.features[0].properties;
		lat = data.features[0].geometry.coordinates[1];
		lon = data.features[0].geometry.coordinates[0];

		let marker = L.marker([lat, lon], {
				icon: marker_icon
			}).addTo(map)
			.bindPopup(location.name + ', ' + location.address, {offset: new L.Point(0, -16)}).on('click', function () {
				let win = window.open(location.url, '_blank');
				win.focus();
			});

		marker.on('mouseover', function(env) {
			marker.openPopup();
		});
		marker.on('mouseout', function(env) {
			marker.closePopup();
		});

		if (location.center) {
			map.setView([lat, lon], 14);
		}
	} else {
		console.log(`Location ${JSON.stringify(location, null, 2)} returned no features, are you sure this is a valid address?`);
	}
};

function loadmap(locations) {
	for (let loc of locations) {
		let request_uri = base_request_uri + loc.address;
		performRequest(request_uri, loc, callback);
	}
}