chore: init saasshop repo + sql migrations runner + gitee go

app/Models/Admin.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Admin extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'merchant_id', 'name', 'email', 'phone', 'password', 'role', 'status', 'last_login_at',
+    ];
+
+    protected $hidden = [
+        'password', 'remember_token',
+    ];
+
+    protected $casts = [
+        'last_login_at' => 'datetime',
+    ];
+
+    public function merchant(): BelongsTo
+    {
+        return $this->belongsTo(Merchant::class, 'merchant_id');
+    }
+
+    public function merchantId(): ?int
+    {
+        return $this->merchant_id ? (int) $this->merchant_id : null;
+    }
+
+    public function isPlatformAdmin(): bool
+    {
+        return $this->merchantId() === null;
+    }
+
+    public function isMerchantAdmin(): bool
+    {
+        return $this->merchantId() !== null;
+    }
+
+    public function platformLabel(): string
+    {
+        return $this->isPlatformAdmin() ? 'platform' : 'merchant';
+    }
+}