Initial: Laravel 13 setup with multi-tenant schema

app/Models/AuditLog.php

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+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+class AuditLog extends Model {
+ protected $table = 'audit_log';
+ public $timestamps = false;
+ protected $fillable = ['user_id','device_id','action','old_value','new_value','ip_address','created_at'];
+ protected $casts = ['created_at'=>'datetime'];
+ public function user(): BelongsTo { return $this->belongsTo(User::class); }
+ public function device(): BelongsTo { return $this->belongsTo(Device::class); }
+}

app/Models/Device.php

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+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+class Device extends Model {
+ protected $fillable = ['tenant_id','name','slug','type','mqtt_topic_prefix','mqtt_username','timezone','settings','last_seen_at'];
+ protected $casts = ['settings'=>'array','last_seen_at'=>'datetime'];
+ public function tenant(): BelongsTo { return $this->belongsTo(Tenant::class); }
+ public function readings(): HasMany { return $this->hasMany(Reading::class); }
+ public function events(): HasMany { return $this->hasMany(Event::class); }
+ public function latestReading(string $metric) {
+  return $this->readings()->where('metric',$metric)->latest('recorded_at')->first();
+ }
+}

app/Models/Event.php

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+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+class Event extends Model {
+ public $timestamps = false;
+ protected $fillable = ['device_id','event_type','severity','payload','occurred_at'];
+ protected $casts = ['payload'=>'array','occurred_at'=>'datetime'];
+ public function device(): BelongsTo { return $this->belongsTo(Device::class); }
+}

app/Models/Reading.php

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+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+class Reading extends Model {
+ public $timestamps = false;
+ protected $fillable = ['device_id','metric','value','value_text','recorded_at'];
+ protected $casts = ['value'=>'decimal:3','recorded_at'=>'datetime'];
+ public function device(): BelongsTo { return $this->belongsTo(Device::class); }
+ public function scopeMetric($q, string $metric) { return $q->where('metric',$metric); }
+ public function scopeSince($q, $ts) { return $q->where('recorded_at','>=',$ts); }
+}

app/Models/Tenant.php

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+<?php
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+class Tenant extends Model {
+ protected $fillable = ['name','slug','plan'];
+ public function users(): HasMany { return $this->hasMany(User::class); }
+ public function devices(): HasMany { return $this->hasMany(Device::class); }
+}

app/Models/User.php

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+<?php
+namespace App\Models;
+use Database\Factories\UserFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Attributes\Hidden;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Foundation\Auth\User as Authenticatable;
+use Illuminate\Notifications\Notifiable;
+#[Fillable(['tenant_id','name','email','password','role'])]
+#[Hidden(['password','remember_token'])]
+class User extends Authenticatable {
+ use HasFactory, Notifiable;
+ protected function casts(): array {
+  return ['email_verified_at'=>'datetime','password'=>'hashed'];
+ }
+ public function tenant(): BelongsTo { return $this->belongsTo(Tenant::class); }
+ public function isAdmin(): bool { return $this->role === 'admin'; }
+}