gps_system/app/Models/Device.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;

class Device extends Model
{
    use HasFactory;

    protected $fillable = [
        'user_id',
        'traccar_device_id',
        'name',
        'unique_id',
        'imei',
        'phone',
        'model',
        'contact',
        'category',
        'protocol',
        'status',
        'last_update',
        'position_id',
        'group_id',
        'attributes',
        'is_active',
    ];

    protected $casts = [
        'last_update' => 'datetime',
        'attributes' => 'array',
        'is_active' => 'boolean',
    ];

    /**
     * Get the user that owns the device
     */
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    /**
     * Get the device group
     */
    public function group(): BelongsTo
    {
        return $this->belongsTo(DeviceGroup::class, 'group_id');
    }

    /**
     * Get the current position
     */
    public function currentPosition(): BelongsTo
    {
        return $this->belongsTo(Position::class, 'position_id');
    }

    /**
     * Get all positions for this device
     */
    public function positions(): HasMany
    {
        return $this->hasMany(Position::class);
    }

    /**
     * Get the latest position for this device
     */
    public function latestPosition(): HasOne
    {
        return $this->hasOne(Position::class)->latestOfMany('device_time');
    }

    /**
     * Get the assigned driver
     */
    public function driver(): BelongsTo
    {
        return $this->belongsTo(Driver::class);
    }

    /**
     * Get device events
     */
    public function events(): HasMany
    {
        return $this->hasMany(Event::class);
    }

    /**
     * Get assigned geofences
     */
    public function geofences(): BelongsToMany
    {
        return $this->belongsToMany(Geofence::class, 'device_geofences');
    }

    /**
     * Get device commands
     */
    public function commands(): HasMany
    {
        return $this->hasMany(Command::class);
    }

    /**
     * Scope for active devices
     */
    public function scopeActive($query)
    {
        return $query->where('is_active', true);
    }

    /**
     * Scope for devices by status
     */
    public function scopeByStatus($query, $status)
    {
        return $query->where('status', $status);
    }

    /**
     * Check if device is online
     */
    public function isOnline(): bool
    {
        if (!$this->last_update) {
            return false;
        }

        return $this->last_update->diffInMinutes(now()) <= 5;
    }

    /**
     * Get device status badge color
     */
    public function getStatusColor(): string
    {
        return match ($this->status) {
            'online' => 'green',
            'offline' => 'red',
            'unknown' => 'gray',
            default => 'gray'
        };
    }

    /**
     * Get latest position data
     */
    public function getLatestPosition(): ?array
    {
        if (!$this->currentPosition) {
            return null;
        }

        return [
            'latitude' => $this->currentPosition->latitude,
            'longitude' => $this->currentPosition->longitude,
            'speed' => $this->currentPosition->speed,
            'course' => $this->currentPosition->course,
            'address' => $this->currentPosition->address,
            'timestamp' => $this->currentPosition->device_time,
        ];
    }
}