Daniel
/
area51_praktikum_sandbox


			
				
					
						
						
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							<?php

// get data from AWIGO API
$ch = curl_init('https://www.awigo.de/index.php?id=122');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([
    'legacy_eID' => 'awigoLocations',
    'awigo_locations[method]' => 'getLocations',
    'awigo_locations[lat]' => 52.28,
    'awigo_locations[lon]' => 8.05,
    'awigo_locations[v]' => 2,
    'awigo_locations[format]' => 'json'
]));
$response = curl_exec($ch);
curl_close($ch);
$orte = json_decode($response, true);
$orteJsArray = json_encode($orte, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);

// ### HTML-Response
$html = '
<!DOCTYPE html>
<html lang="de">
<head>
<link rel="stylesheet" href="https://area51.cybob.com/praktikum/daniel/agent/leaflet/leaflet.css">
<link rel="stylesheet" href="https://area51.cybob.com/praktikum/daniel/agent/css/map.css">
<script src="https://area51.cybob.com/praktikum/daniel/agent/leaflet/leaflet.js"></script>
</head>
<body>
<div id="map-wrapper">
    <div id="zipcode-search-wrapper">
        <div class="input-with-clear">
              <input
                type="input"
                id="zipcode-input"
                placeholder="PLZ"
                inputmode="numeric"
                list="zipcode-datalist"
                maxlength="5"
                autocomplete="true"
              />
              <button id="zipcode-search-close" type="button" aria-label="Eingabe löschen">
                <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
                  <line x1="1" y1="1" x2="15" y2="15" stroke="currentColor" stroke-width="2"/>
                  <line x1="15" y1="1" x2="1" y2="15" stroke="currentColor" stroke-width="2"/>
                </svg>
              </button>
        </div>
      <button id="zipcode-search-button" type="button">🔍</button>
    </div>
    <datalist id="zipcode-datalist"></datalist>
    
    <div id="map-info">
        <button id="map-info-close" aria-label="Schließen" title="Schließen">

        <img src="https://area51.cybob.com/praktikum/daniel/agent/images/x.svg" alt="Schließen"/>
        </button>
        <a id="map-link" href="#" target="_blank" title="In Google Maps öffnen" style="display:inline-flex;align-items:center;gap:4px;">
          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" viewBox="0 0 16 16" class="input-close">
            <path d="M4.146 8.354a.5.5 0 0 1 0-.708L9.793 2H6.5a.5.5 0 0 1 0-1h4a.5.5 0 0 1 .5.5v4a.5.5 0 0 1-1 0V2.707L4.854 8.854a.5.5 0 0 1-.708 0z"/>
            <path d="M13.5 14a.5.5 0 0 1-.5.5H3a2 2 0 0 1-2-2V3.5a.5.5 0 0 1 1 0V12.5a1 1 0 0 0 1 1h10a.5.5 0 0 1 .5.5z"/>
          </svg>
          <span>Google Maps</span>
        </a>
    
        <h4 id="map-info-title">Bitte einen Ort auswählen!</h4>
        <span id="map-info-street"></span><br>
        <span id="map-info-plz"></span><br>
        <span><a id="map-info-telephone"></a></span><br>
        <br>
           
        <div id="map-info-opening-hours-weekdays"></div>   
        <div id="map-info-description"></div>
    </div>
  <div id="map"></div>
</div>
<script>

// ### Default is in Osnabrueck ###
  const defaultView = {
    lat: 52.2799,
    lng: 8.0472,
    zoom: 9,
    zoomClose: 16
  };
  
  // ### Default Offset for compact view ###
  const LAT_OFFSET = 0.0011;
  const MIN_DEVIATION = 0.00003;
  const COMPACT_THRESHOLD = 500; // px
  
  // ### State Memory ###
  const mapState = {
   isZoomed: false,
   isDragging: false,
   isCompact: false
   };
   
   // ### Leaflet Map Object ###
  let map = null;
  
  // ### Markers with queried json info (ort) ###
  let markers  = [];
  
  function hideMarkers(markers) {
      markers.forEach(marker => {
            const markerElement = marker.getElement();
            const shadow = marker._shadow;
            if (markerElement) {
                markerElement.style.display = "none";
            }
            if (shadow) {
                shadow.style.display = "none"
            }
      })
  }
  
  function hideMarkerShadows(markers) {
      markers.forEach(marker => {
           const shadow = marker._shadow;
           if (shadow) shadow.style.display = "none";
      })
  }
  
  function showMarkers(markers) {
      markers.forEach(marker => {
          const markerElement = marker.getElement();
            if (markerElement) {
                markerElement.style.display = "";
            }
      })
  }
  
  // Close InfoBox with small animation
  function closeInfoBox() {
      const infoBox = document.getElementById("map-info");
      if (!infoBox.classList.contains("active")) {
          return;
      }
      infoBox.classList.remove("active");
      infoBox.classList.add("closing");
      setTimeout(() => {
          infoBox.classList.remove("closing");
      }, 125);
  }
  
  // check for user position => add marker and center map
  function checkUserPosition() {
      if (navigator.geolocation) {
          navigator.geolocation.getCurrentPosition(function(position) {
              setTimeout(() => {
                  userLat = position.coords.latitude;
                  userLng = position.coords.longitude;

                  map.setView([userLat, userLng], 10);
                  map.invalidateSize();
              }, 500)
          }, function(error) {
              console.warn("Geolocation not found");
          });
      } else {
          console.warn("Geolocation not supported by this browser.");
      }
  }

  function loadLeafletScript(callback) {
      var script = document.createElement("script");
      script.src = "https://area51.cybob.com/praktikum/daniel/agent/leaflet/leaflet.js";
      script.onload = callback;
      document.head.appendChild(script);
      console.log("Leaflet script loaded");  
  }

  // Fly to LatLng Location with optional offset for compact View
  // Map Marker will then be centered, as the info box with appear from the bottom  
  function flyToWithOptionalOffset(latLng, zoom) {
      let newLat = latLng.lat;
      if (mapState.isCompact) {
        newLat -= LAT_OFFSET; // adjust latitude for compact view
      }      
      map.flyTo({lat: newLat, lng: latLng.lng}, zoom, {
      animate: true,
      duration: 0.5
      });
  }
  
  function getVisibleMapCenter() {
      const center = map.getCenter().clone();
      if (mapState.isCompact) {
        center.lat -= LAT_OFFSET;
      }
      return center;
  }
  
  function getLogicalMapCenter() {
    let center = map.getCenter().clone();
    if (mapState.isCompact) {
        center.lat += LAT_OFFSET;    
    }
    return center;
  }
  
  function updateInfoBox(ort) {
        // replace info box strings
        document.getElementById("map-info-title").innerHTML = ort.title;
        document.getElementById("map-info-description").innerHTML = ort.description || "";
        document.getElementById("map-info-opening-hours-weekdays").innerHTML = ort.openingTimes;
        document.getElementById("map-info-street").innerHTML = ort.address || "";
        document.getElementById("map-info-plz").innerHTML = (ort.zip + " " + ort.city) || "";
        const tel = ort.telephone.replaceAll(" ", "")
            .replaceAll(")", "")
            .replaceAll("(", "")
            .replaceAll("-", "");
        document.getElementById("map-info-telephone").innerHTML = ("Tel.: " + ort.telephone);
        document.getElementById("map-info-telephone").href = "tel:" + tel;
    
        // build & assign google maps url
        const lat = ort.lat;
        const lng = ort.lng;
        document.getElementById("map-link").href = `https://www.google.com/maps?q=${lat},${lng}`;
  }
  
  function showInfoBox() {
        document.getElementById("map-info").classList.add("active");
  }
  
  function isMapDeviationReached(marker) {
      const logicalCenter = getLogicalMapCenter();
      const deltaLat = Math.abs(logicalCenter.lat - marker.getLatLng().lat);
      const deltaLng = Math.abs(logicalCenter.lng - marker.getLatLng().lng);
      return deltaLat >= MIN_DEVIATION || deltaLng >= MIN_DEVIATION;
  }
  
  function initializeMap() {
      
      // initialize the map
      map = L.map("map", {
          zoomAnimation: true,
          markerZoomAnimation: true,
          fadeAnimation: true,
          attributionControl: true,
      }).setView([52.2799, 8.0472], defaultView.zoom);
      L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
          attribution: "&copy; <a href=\\"https://www.openstreetmap.org/copyright\\">OpenStreetMap</a>"
      }).addTo(map);
      
      // Checks with each resize if the map-wrapper is smaller than threshold
      function updateMapLayoutResponsiveness() {
          const mapWrapper = document.getElementById("map-wrapper");
          const mapDiv = document.getElementById("map");
          
          const isCompact = mapWrapper.offsetWidth < COMPACT_THRESHOLD;
          if (isCompact) {
              mapWrapper.classList.add("compact");
              mapDiv.classList.add("compact");
              map.invalidateSize();
              mapState.isCompact = true;
          } else {
              mapWrapper.classList.remove("compact");
              mapDiv.classList.remove("compact");
              mapState.isCompact = false;
          }
      }
      updateMapLayoutResponsiveness();
      window.addEventListener("resize", updateMapLayoutResponsiveness);

      document.getElementById("map").addEventListener("mousedown", () => {
          mapState.isDragging = false;
      })

      document.getElementById("map").addEventListener("mousemove", () => {
          mapState.isDragging = true;
      })

      document.getElementById("map").addEventListener("click", (e) => {
          if (
              e.target.classList.contains("map-info") ||
              e.target.classList.contains("leaflet-marker-icon") ||
              e.target.classList.contains("leaflet-marker-icon") ||
             mapState.isDragging 
          ) {
              return;
          }
          closeInfoBox();
      })

      document.getElementById("map-info-close").addEventListener("click", () => {
          closeInfoBox();
      });

      // standard-icon (blue)
      L.Icon.Default.mergeOptions({
          iconRetinaUrl: "awigo-icon-gruenplatz-map.png",
          iconUrl: "awigo-icon-gruenplatz-map.png",
          shadowUrl: "marker-icon-shadow-default.png",
          className: "awigo-marker-icon"
      });
      
      // add marker from json-array
      orte.forEach(function(ort) {
          // remove shadows for AWIGO
          var icon = new L.Icon.Default();
          const marker = L.marker([ort.lat, ort.lng], {icon: icon}).addTo(map);
          marker.ort = ort;
          markers.push(marker);
          
          // Event-Listener for click on marker
          marker.on("click", function() {
              updateInfoBox(ort);
              if (isMapDeviationReached(marker)) {
                  showInfoBox();
                  flyToWithOptionalOffset(marker.getLatLng(), defaultView.zoomClose);
                  mapState.isZoomed = true;
              }   else if (mapState.isZoomed){
                  flyToWithOptionalOffset({lat: defaultView.lat, lng: defaultView.lng}, defaultView.zoom)
                  closeInfoBox();
                  mapState.isZoomed = false;
              }
          });
      });

      // re-render map (prevents missing tile issues)
      map.invalidateSize();
//      checkUserPosition();
      hideMarkerShadows(markers);
  }

  // ### Program start ###
  // filter for green places from AWIGO API
  let orte = [];
  orte =' . $orteJsArray . '["Locations"];
  if (orte) {
      orte = orte.filter((ort) => {
          return ort.category.toLowerCase().includes("grün");
      })
  } else {
      console.error("No locations found in the response from AWIGO API.");
  }
  
  
  let zipcodes = [...new Set(orte.map(o => o.zip))].sort();
  
  // Input Select
  const input = document.getElementById("zipcode-input");
  const datalist = document.getElementById("zipcode-datalist");
    
  // add available zipcodes to datalist
  zipcodes.forEach(zip => {
      const option = document.createElement("option");
      option.value = zip;
      datalist.appendChild(option);
  });
    
  function searchByZip(zip) {
      if (!zip || zip.length !== 5 || !/^\d{5}$/.test(zip)) {
          showMarkers(markers);
          return;
      }
        
      const filteredMarkers = markers.filter(marker => marker.ort.zip === zip);
      if (filteredMarkers.length > 0) {
          const firstMarker = filteredMarkers[0];
          
          if (isMapDeviationReached(firstMarker)) {
              flyToWithOptionalOffset(firstMarker.getLatLng(), defaultView.zoomClose);
              mapState.isZoomed = true;
              updateInfoBox(firstMarker.ort);
              showInfoBox();
          }
          
          filteredMarkers.forEach((marker) => {
              hideMarkers(markers);
              showMarkers(filteredMarkers);
          })
      }
  }
    
  input.addEventListener("input", () => {
      input.value = input.value.replace(/\D/g, "").slice(0,5);
      if (input.value.length === 5) {
          searchByZip(input.value);
      } else {
          showMarkers(markers);
      }
  });
    
  document.getElementById("zipcode-search-button").addEventListener("click", () => {
      const zip = input.value.trim();
      searchByZip(zip);
  });
  
  document.getElementById("zipcode-search-close").addEventListener("click", () => {
      input.value = "";
      showMarkers(markers);
  })
  
  // ### callback 
  loadLeafletScript(initializeMap);
</script>
';

// JSON-Response aufbauen
$dictResponse = [
    "success" => true,
    "status_code" => 200,
    "status_description" => "ok",
    "response" => $html
];

$output = json_encode($dictResponse, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
header('Content-Type: application/json');
http_response_code($dictResponse["status_code"]);
echo $output;
exit;