import React, { useState, useEffect } from 'react';
import { MapContainer, TileLayer, Marker, Popup, Circle, Polyline, Polygon, useMapEvents, LayersControl, LayerGroup, useMap } from 'react-leaflet';
import L from 'leaflet';
import 'leaflet/dist/leaflet.css';
import markerIconPng from "leaflet/dist/images/marker-icon.png";
import markerShadowPng from "leaflet/dist/images/marker-shadow.png";
// Pengaturan Default Marker Objek
const DefaultIcon = L.icon({
iconUrl: markerIconPng,
shadowUrl: markerShadowPng,
iconSize: [25, 41],
iconAnchor: [12, 41],
popupAnchor: [1, -34],
});
L.Marker.prototype.options.icon = DefaultIcon;
// Pengaturan Marker Kustom Penduduk Miskin
const MiskinIcon = L.divIcon({
className: 'custom-miskin-marker',
html: `
`,
iconSize: [12, 12],
iconAnchor: [6, 6]
});
// Pengaturan Marker Kustom Rumah Ibadah
const IbadahIcon = L.icon({
iconUrl: markerIconPng,
iconSize: [25, 41],
iconAnchor: [12, 41],
popupAnchor: [1, -34],
});
// Fungsi Parser Geometri GeoJSON dari PostGIS
const parsePoint = (geom) => [geom.coordinates[1], geom.coordinates[0]];
const parseLineString = (geom) => geom.coordinates.map(coord => [coord[1], coord[0]]);
const parsePolygon = (geom) => geom.coordinates.map(ring => ring.map(coord => [coord[1], coord[0]]));
// Fungsi Decoder Polyline OSRM Manual (Pastikan ini ada agar tidak undefined)
const decodeOSRMPoints = (str, precision) => {
var index = 0, lat = 0, lng = 0, coordinates = [], shift = 0, result = 0, byte = null, lat_change, lng_change, factor = Math.pow(10, precision || 5);
while (index < str.length) {
byte = null; shift = 0; result = 0;
do { byte = str.charCodeAt(index++) - 63; result |= (byte & 0x1f) << shift; shift += 5; } while (byte >= 0x20);
lat_change = ((result & 1) ? ~(result >> 1) : (result >> 1)); lat += lat_change;
byte = null; shift = 0; result = 0;
do { byte = str.charCodeAt(index++) - 63; result |= (byte & 0x1f) << shift; shift += 5; } while (byte >= 0x20);
lng_change = ((result & 1) ? ~(result >> 1) : (result >> 1)); lng += lng_change;
coordinates.push([lat / factor, lng / factor]);
}
return coordinates;
};
// Listener Klik Peta Universal
function MapClickHandler({ activeMode, onMapClick }) {
useMapEvents({
click(e) {
if (activeMode) {
onMapClick(e.latlng.lat, e.latlng.lng);
}
},
});
return null;
}
// βοΈ MENAMBAHKAN DEKLARASI MAP VIEW UPDATER AGAR TIDAK ERROR REFERENCE
function MapViewUpdater({ center }) {
const map = useMap();
useEffect(() => {
if (center) {
map.setView(center, map.getZoom());
}
}, [center, map]);
return null;
}
// Sub-Komponen Form Penduduk Miskin (Fokus hanya pada Input Formulir)
function PendudukMiskinForm({ selectedLat, selectedLng, onSaveSuccess, onClose }) {
const [kepalaKeluarga, setKepalaKeluarga] = useState('');
const [jumlahAnggota, setJumlahAnggota] = useState(1);
const [statusBantuan, setStatusBantuan] = useState(0);
const [jenisBantuan, setJenisBantuan] = useState([]);
const opsiBantuan = [
'BPJS_Kesehatan', 'PKH', 'PIP/KIP', 'Bansos_Tunai', 'BPNT/Sembako', 'Santunan Anak Yatim-Piatu'
];
const handleCheckboxChange = (bantuan) => {
if (jenisBantuan.includes(bantuan)) {
setJenisBantuan(jenisBantuan.filter((item) => item !== bantuan));
} else {
setJenisBantuan([...jenisBantuan, bantuan]);
}
};
const handleSubmit = async (e) => {
e.preventDefault();
const payload = {
kepala_keluarga: kepalaKeluarga,
jumlah_anggota: parseInt(jumlahAnggota),
status_bantuan: parseInt(statusBantuan),
jenis_bantuan: jenisBantuan,
lat: selectedLat,
lng: selectedLng
};
try {
const response = await fetch('http://localhost:5000/api/miskin/create', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(payload)
});
const result = await response.json();
if (result.status === 'success') {
alert(`Data Berhasil Disimpan!\nID Ibadah Terdekat: ${result.closest_hub}`);
onSaveSuccess();
onClose();
} else {
alert(`Gagal menyimpan data: ${result.message}`);
}
} catch (error) {
console.error('Error fetching data:', error);
alert('Terjadi kesalahan jaringan saat menyimpan data.');
}
};
return (
);
}
// Komponen Legenda Spasial
function MapLegend() {
const map = useMap();
useEffect(() => {
const legend = L.control({ position: 'bottomright' });
legend.onAdd = () => {
const div = L.DomUtil.create('div', 'info legend');
div.style.background = 'white'; div.style.padding = '12px'; div.style.borderRadius = '8px';
div.style.boxShadow = '0 2px 6px rgba(0,0,0,0.3)'; div.style.fontSize = '13px'; div.style.lineHeight = '20px'; div.style.color = '#333';
div.innerHTML = `
Legenda Peta
Tempat Ibadah:
Radius Pelayanan (300m+)
Kesejahteraan:
Penduduk Miskin
Jaringan Jalan:
Jln Nasional
Jln Provinsi
Jln Kabupaten
Batas Sektoral:
Wilayah / Area Sektor
`;
return div;
};
legend.addTo(map);
return () => { legend.remove(); };
}, [map]);
return null;
}
const getIbadahEmoji = (jenis) => {
if (!jenis) return 'π'; // Jaga-jaga jika nilainya null/undefined
switch(jenis.toLowerCase()) {
case 'masjid': return 'π';
case 'gereja': return 'βͺ';
case 'vihara': return 'π';
case 'klenteng': return 'β©οΈ';
case 'pura': return 'π';
default: return 'π';
}
};
// Pengaturan Style Warna Garis Jalan Berdasarkan Klasifikasi Database
const getJalanStyle = (status) => {
switch(status) {
case 'Jln Nasional': return { color: '#0000ff', weight: 5 };
case 'Jln Provinsi': return { color: '#008000', weight: 4 };
default: return { color: '#ffff00', weight: 3 };
}
};
function App() {
const pontianakCenter = [-0.0263, 109.3425];
const [dataJalan, setDataJalan] = useState([]);
const [dataArea, setDataArea] = useState([]);
const [dataIbadah, setDataIbadah] = useState([]);
const [dataMiskin, setDataMiskin] = useState([]);
const [isRoutingLoading, setIsRoutingLoading] = useState(false);
const [routingCoords, setRoutingCoords] = useState([]);
const [activeInsertionMode, setActiveInsertionMode] = useState(null);
const [drawCoords, setDrawCoords] = useState([]);
const [showModal, setShowModal] = useState(false);
const [formJalan, setFormJalan] = useState({ nama: '', status: 'Jln Kabupaten' });
const [formArea, setFormArea] = useState({ nama: '' });
const [formIbadah, setFormIbadah] = useState({ nama: '', jenis: 'masjid', kontak: '', radius: 300 });
const loadAllData = () => {
fetch('http://localhost:5000/api/jalan').then(res => res.json()).then(data => setDataJalan(data));
fetch('http://localhost:5000/api/area').then(res => res.json()).then(data => setDataArea(data));
fetch('http://localhost:5000/api/ibadah').then(res => res.json()).then(data => setDataIbadah(data));
fetch('http://localhost:5000/api/miskin').then(res => res.json()).then(data => setDataMiskin(data));
};
useEffect(() => { loadAllData(); }, []);
// Fungsi Routing Network Terpusat (Dikendalikan oleh Komponen App Utama)
const handleFetchRoute = async (miskinLat, miskinLng, idIbadahTerdekat) => {
setIsRoutingLoading(true);
const ibadahTerdekat = dataIbadah.find(i => i.id === idIbadahTerdekat);
if (!ibadahTerdekat || !ibadahTerdekat.geom) {
alert("Maaf, data rincian koordinat Rumah Ibadah terdekat tidak ditemukan.");
setIsRoutingLoading(false);
return;
}
const [ibadahLng, ibadahLat] = ibadahTerdekat.geom.coordinates;
try {
const url = `https://router.project-osrm.org/route/v1/driving/${ibadahLng},${ibadahLat};${miskinLng},${miskinLat}?overview=full&geometries=polyline`;
const response = await fetch(url);
const data = await response.json();
if (data.code === 'Ok' && data.routes.length > 0) {
const encodedRoute = data.routes[0].geometry;
const decodedCoords = decodeOSRMPoints(encodedRoute);
setRoutingCoords(decodedCoords);
} else {
alert("Gagal memetakan rute jalan resmi.");
}
} catch (error) {
console.error(error);
alert("Koneksi rute OSRM terputus.");
} finally {
setIsRoutingLoading(false);
}
};
const handleToolbarToggle = (mode) => {
setActiveInsertionMode(activeInsertionMode === mode ? null : mode);
setDrawCoords([]);
};
const handleMapClick = (lat, lng) => {
if (activeInsertionMode === 'ibadah' || activeInsertionMode === 'miskin') {
setDrawCoords([[lat, lng]]);
setShowModal(true);
} else if (activeInsertionMode === 'jalan' || activeInsertionMode === 'area') {
setDrawCoords([...drawCoords, [lat, lng]]);
}
};
const closeModal = () => {
setShowModal(false);
setDrawCoords([]);
setActiveInsertionMode(null);
setFormJalan({ nama: '', status: 'Jln Kabupaten' });
setFormArea({ nama: '' });
setFormIbadah({ nama: '', jenis: 'masjid', kontak: '', radius: 300 });
};
const submitJalanForm = (e) => {
e.preventDefault();
fetch('http://localhost:5000/api/jalan/create', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ ...formJalan, coords: drawCoords })
})
.then(res => res.json())
.then((result) => {
if (result.status === 'success') {
alert("Jalan Berhasil Disimpan!"); loadAllData(); closeModal();
} else { alert("Gagal menyimpan jalan: " + result.message); }
}).catch(err => alert("Terjadi kesalahan jaringan."));
};
const submitAreaForm = (e) => {
e.preventDefault();
fetch('http://localhost:5000/api/area/create', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ ...formArea, coords: drawCoords })
})
.then(res => res.json())
.then((result) => {
if (result.status === 'success') {
alert("Area Berhasil Disimpan!"); loadAllData(); closeModal();
} else { alert("Gagal menyimpan area: " + result.message); }
}).catch(err => alert("Terjadi kesalahan jaringan."));
};
const submitIbadahForm = (e) => {
e.preventDefault();
fetch('http://localhost:5000/api/ibadah/create', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ ...formIbadah, lat: drawCoords[0][0], lng: drawCoords[0][1] })
})
.then(res => res.json())
.then((result) => {
if (result.status === 'success') {
alert("Rumah Ibadah Berhasil Disimpan!"); loadAllData(); closeModal();
} else { alert("Gagal menyimpan rumah ibadah: " + result.message); }
}).catch(err => alert("Terjadi kesalahan jaringan."));
};
return (
{/* Action Toolbar */}
{(activeInsertionMode === 'jalan' || activeInsertionMode === 'area') && drawCoords.length > 1 && (
)}
{/* MAP CONTAINER UTAMA */}
{/* 1. LAYER GROUP UNTUK JALAN */}
{dataJalan.map(j => {
if (!j.geom) return null;
const pathOptions = getJalanStyle(j.status_jalan);
return (
Nama Jalan: {j.nama_jalan || 'Tanpa Nama'}
Status: {j.status_jalan}
);
})}
{/* 2. LAYER GROUP UNTUK AREA BANJIR */}
{dataArea.map(a => {
if (!a.geom) return null;
return (
Area Wilayah Sektor: {a.nama_area || 'Sektor'}
);
})}
{/* 3. LAYER GROUP UNTUK RUMAH IBADAH (DENGAN RADIUS DINAMIS) */}
{dataIbadah.map(i => {
if (!i.geom) return null;
const [ibadahLat, ibadahLng] = parsePoint(i.geom);
return (
{/* π΅ PERBAIKAN: Menggunakan i.radius sesuai properti dari database */}
{/* Marker Rumah Ibadah */}
{getIbadahEmoji(i.jenis_ibadah || 'lainnya')} {i.nama_ibadah}
Jenis: {(i.jenis_ibadah?.toUpperCase()) || 'LAINNYA'}
Kontak: {i.kontak || '-'}
{/* Sesuai dengan properti i.radius */}
Radius Aksi: {i.radius || 0} meter
);
})}
{/* 4. LOOPING DATA PENDUDUK MISKIN YANG BENAR (Di dalam Peta) */}
{dataMiskin.map(m => {
if (!m.geom) return null;
const [miskinLat, miskinLng] = parsePoint(m.geom);
return (
π€ Kepala Keluarga: {m.kepala_keluarga}
π₯ Jumlah Anggota: {m.jumlah_anggota} Jiwa
π¦ Bantuan: {m.jenis_bantuan && m.jenis_bantuan.length > 0 ? m.jenis_bantuan.join(', ') : 'Belum menerima'}
π Hub Terdekat ID: {m.id_ibadah_terdekat || 'Kosong'}
);
})}
{/* RENDERING JALUR RUTE NYATA */}
{routingCoords.length > 0 && (
)}
{/* CONTROLLER EVENT MAP */}
{/* Modal Input Overlay */}
{showModal && (
Tambah Data {activeInsertionMode?.toUpperCase()}
{activeInsertionMode === 'jalan' && (
)}
{activeInsertionMode === 'area' && (
)}
{activeInsertionMode === 'ibadah' && (
)}
{activeInsertionMode === 'miskin' && drawCoords.length > 0 && (
{ loadAllData(); closeModal(); }}
/>
)}
)}
);
}
export default App;