init backend presensi
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mwpn
52
app/Modules/Geo/Entities/Zone.php
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52
app/Modules/Geo/Entities/Zone.php
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<?php
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namespace App\Modules\Geo\Entities;
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use CodeIgniter\Entity\Entity;
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/**
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* Zone Entity
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*
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* Represents a geographic zone/geofence in the system.
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*/
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class Zone extends Entity
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{
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/**
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* Attributes that can be mass assigned
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*
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* @var array<string>
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*/
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protected $allowedFields = [
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'zone_code',
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'zone_name',
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'latitude',
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'longitude',
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'radius_meters',
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'is_active',
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];
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/**
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* Attributes that should be cast to specific types
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*
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* @var array<string, string>
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*/
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protected $casts = [
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'id' => 'integer',
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'latitude' => 'float',
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'longitude' => 'float',
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'radius_meters' => 'integer',
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'is_active' => 'boolean',
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'created_at' => 'datetime',
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'updated_at' => 'datetime',
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];
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/**
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* Check if zone is active
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*
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* @return bool
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*/
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public function isActive(): bool
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{
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return (bool) $this->attributes['is_active'];
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}
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}
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95
app/Modules/Geo/Models/ZoneModel.php
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95
app/Modules/Geo/Models/ZoneModel.php
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<?php
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namespace App\Modules\Geo\Models;
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use App\Modules\Geo\Entities\Zone;
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use CodeIgniter\Model;
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/**
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* Zone Model
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*
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* Handles database operations for zones.
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*/
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class ZoneModel extends Model
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{
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protected $table = 'zones';
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protected $primaryKey = 'id';
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protected $useAutoIncrement = true;
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protected $returnType = Zone::class;
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protected $useSoftDeletes = false;
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protected $protectFields = true;
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protected $allowedFields = [
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'zone_code',
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'zone_name',
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'latitude',
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'longitude',
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'radius_meters',
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'is_active',
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];
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// Dates
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protected $useTimestamps = true;
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protected $dateFormat = 'datetime';
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protected $createdField = 'created_at';
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protected $updatedField = 'updated_at';
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protected $deletedField = 'deleted_at';
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// Validation
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protected $validationRules = [
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'zone_code' => 'required|max_length[100]|is_unique[zones.zone_code,id,{id}]',
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'zone_name' => 'required|max_length[255]',
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'latitude' => 'required|decimal',
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'longitude' => 'required|decimal',
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'radius_meters' => 'required|integer|greater_than[0]',
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'is_active' => 'permit_empty|in_list[0,1]',
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];
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protected $validationMessages = [];
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protected $skipValidation = false;
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protected $cleanValidationRules = true;
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// Callbacks
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protected $allowCallbacks = true;
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protected $beforeInsert = [];
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protected $afterInsert = [];
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protected $beforeUpdate = [];
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protected $afterUpdate = [];
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protected $beforeFind = [];
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protected $afterFind = [];
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protected $beforeDelete = [];
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protected $afterDelete = [];
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/**
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* Find zone by zone_code
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*
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* @param string $zoneCode
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* @return Zone|null
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*/
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public function findByZoneCode(string $zoneCode): ?Zone
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{
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return $this->where('zone_code', $zoneCode)->first();
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}
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/**
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* Find active zone by zone_code
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*
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* @param string $zoneCode
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* @return Zone|null
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*/
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public function findActiveByZoneCode(string $zoneCode): ?Zone
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{
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return $this->where('zone_code', $zoneCode)
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->where('is_active', 1)
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->first();
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}
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/**
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* Get all active zones
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*
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* @return array
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*/
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public function findAllActive(): array
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{
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return $this->where('is_active', 1)->findAll();
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}
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}
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12
app/Modules/Geo/Routes.php
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12
app/Modules/Geo/Routes.php
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<?php
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/**
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* Geo Module Routes
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*
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* This file is automatically loaded by ModuleLoader.
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* Define your geo/zone management routes here.
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*
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* @var RouteCollection $routes
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*/
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// Geo routes will be defined here
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96
app/Modules/Geo/Services/GeoFenceService.php
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96
app/Modules/Geo/Services/GeoFenceService.php
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<?php
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namespace App\Modules\Geo\Services;
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/**
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* Geo Fence Service
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*
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* Handles geofencing logic using Haversine formula for distance calculation.
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*/
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class GeoFenceService
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{
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/**
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* Earth's radius in meters
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*/
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private const EARTH_RADIUS_METERS = 6371000;
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/**
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* Check if a point (latitude, longitude) is inside a zone
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*
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* Uses Haversine formula to calculate distance between two points
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* on Earth's surface and compares it to zone radius.
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*
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* @param float $lat Latitude of the point to check
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* @param float $lng Longitude of the point to check
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* @param array $zone Zone data with 'latitude', 'longitude', and 'radius_meters'
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* @return bool True if point is inside zone, false otherwise
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*/
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public function isInsideZone(float $lat, float $lng, array $zone): bool
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{
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// Validate zone data
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if (!isset($zone['latitude']) || !isset($zone['longitude']) || !isset($zone['radius_meters'])) {
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return false;
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}
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$zoneLat = (float) $zone['latitude'];
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$zoneLng = (float) $zone['longitude'];
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$radiusMeters = (int) $zone['radius_meters'];
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// Calculate distance using Haversine formula
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$distance = $this->calculateHaversineDistance($lat, $lng, $zoneLat, $zoneLng);
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// Check if distance is within radius
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return $distance <= $radiusMeters;
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}
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/**
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* Calculate distance between two points using Haversine formula
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*
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* Haversine formula calculates the great-circle distance between
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* two points on a sphere given their longitudes and latitudes.
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*
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* @param float $lat1 Latitude of first point
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* @param float $lng1 Longitude of first point
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* @param float $lat2 Latitude of second point
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* @param float $lng2 Longitude of second point
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* @return float Distance in meters
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*/
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private function calculateHaversineDistance(float $lat1, float $lng1, float $lat2, float $lng2): float
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{
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// Convert degrees to radians
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$lat1Rad = deg2rad($lat1);
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$lng1Rad = deg2rad($lng1);
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$lat2Rad = deg2rad($lat2);
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$lng2Rad = deg2rad($lng2);
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// Calculate differences
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$deltaLat = $lat2Rad - $lat1Rad;
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$deltaLng = $lng2Rad - $lng1Rad;
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// Haversine formula
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$a = sin($deltaLat / 2) * sin($deltaLat / 2) +
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cos($lat1Rad) * cos($lat2Rad) *
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sin($deltaLng / 2) * sin($deltaLng / 2);
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$c = 2 * atan2(sqrt($a), sqrt(1 - $a));
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// Distance in meters
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$distance = self::EARTH_RADIUS_METERS * $c;
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return $distance;
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}
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/**
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* Calculate distance between two points (public helper method)
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*
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* @param float $lat1 Latitude of first point
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* @param float $lng1 Longitude of first point
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* @param float $lat2 Latitude of second point
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* @param float $lng2 Longitude of second point
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* @return float Distance in meters
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*/
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public function calculateDistance(float $lat1, float $lng1, float $lat2, float $lng2): float
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{
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return $this->calculateHaversineDistance($lat1, $lng1, $lat2, $lng2);
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}
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}
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