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import { algoliasearch } from "algoliasearch";
const ALGOLIA_KEY = "9fb3db0222f7b5aef0e2b30791ee6201";
const INDEX_NAME = "pubfinder";
const client = algoliasearch("YSWWVAX5RB", ALGOLIA_KEY);
const algolia_params = {
hitsPerPage: 1000,
};
const dataController = (function () {
const londonBounds = {
north: 51.532,
south: 51.478,
east: -0.072,
west: -0.16,
};
const maxMapSpace = {
north: 51.74,
south: 51.27,
west: -0.51,
east: 0.23,
};
const centralPosition = { lat: 51.508616, lng: -0.125319 };
return {
londonBounds,
centralPosition,
maxMapSpace,
getSearchResults: async function (bounds) {
const res = await client.searchSingleIndex({
indexName: INDEX_NAME,
searchParams: {
...algolia_params,
insideBoundingBox: [bounds],
attributesToRetrieve: ["_geoloc", "name"],
},
});
return res;
},
};
})();
const interfaceController = (function () {
let markers = [];
let shape;
let map;
return {
generateMap: async function (bounds, position, maxSpace) {
const { Map, Polygon, Rectangle } = await google.maps.importLibrary(
"maps"
);
map = new Map(document.getElementById("map"), {
zoom: 4,
center: position,
mapId: "pub_map",
restriction: {
latLngBounds: maxSpace,
strictBounds: true,
},
});
shape = new Rectangle({
bounds: bounds,
editable: true,
draggable: true,
});
shape.setMap(map);
},
embedSearchResults: async function (hits) {
const { AdvancedMarkerElement } = await google.maps.importLibrary(
"marker"
);
const { InfoWindow } = await google.maps.importLibrary("maps");
hits.forEach((hit) => {
const marker = new AdvancedMarkerElement({
map: map,
position: {
lat: hit._geoloc.lat,
lng: hit._geoloc.lng,
},
});
const window = new InfoWindow({
content: hit.name,
});
marker.addListener("click", function () {
window.open({
anchor: marker,
map,
});
});
markers.push(marker);
});
},
handleBoundChange: function () {
const { south, west, north, east } = shape.getBounds()?.toJSON();
return [north, east, south, west];
},
getActiveShape: function () {
return shape;
},
removeMarkers: function () {
for (let i = 0; i < markers.length; i++) {
markers[i].setMap(null);
}
},
};
})();
const controller = (function (dataCTRL, uiCTRL) {
const initialSetup = async function () {
const londonBounds = dataCTRL.londonBounds;
const centralPoint = dataCTRL.centralPosition;
const mapBounds = dataCTRL.maxMapSpace;
uiCTRL.generateMap(londonBounds, centralPoint, mapBounds);
const searchResults = await dataCTRL.getSearchResults([
londonBounds.north,
londonBounds.east,
londonBounds.south,
londonBounds.west,
]);
await uiCTRL.embedSearchResults(searchResults.hits);
};
const setupEventListeners = function () {
const shape = uiCTRL.getActiveShape();
shape.addListener("bounds_changed", async () => {
uiCTRL.removeMarkers();
const newAlgoliaBounds = uiCTRL.handleBoundChange();
const searchResults = await dataCTRL.getSearchResults(newAlgoliaBounds);
await uiCTRL.embedSearchResults(searchResults.hits);
});
};
return {
init: async function () {
await initialSetup();
setupEventListeners();
},
};
})(dataController, interfaceController);
controller.init();
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