first version

app/Models/StoreModel.php

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+<?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\SoftDeletes;
+
+/**
+ * 门店模型（小程序下单主体）
+ */
+class StoreModel extends Model
+{
+    use SoftDeletes, HasFactory;
+
+    /** 状态：停用 */
+    public const STATUS_DISABLED = 0;
+    /** 状态：正常 */
+    public const STATUS_NORMAL = 1;
+
+    protected $table = 'store';
+    protected $primaryKey = 'id';
+
+    protected $fillable = [
+        'name',
+        'code',
+        'level_id',
+        'contact',
+        'phone',
+        'address',
+        'payment_cycle_days',
+        'status',
+        'remark',
+    ];
+
+    protected $casts = [
+        'level_id' => 'integer',
+        'payment_cycle_days' => 'integer',
+        'status' => 'integer',
+    ];
+
+    /**
+     * 所属客户等级（决定商品展示价格）
+     */
+    public function level(): BelongsTo
+    {
+        return $this->belongsTo(CustomerLevelModel::class, 'level_id', 'id');
+    }
+
+    /**
+     * 门店订单
+     */
+    public function orders(): HasMany
+    {
+        return $this->hasMany(StoreOrderModel::class, 'store_id', 'id');
+    }
+
+    /**
+     * 绑定本门店的小程序用户
+     */
+    public function users(): HasMany
+    {
+        return $this->hasMany(UserModel::class, 'store_id', 'id');
+    }
+
+    /**
+     * 门店对账单
+     */
+    public function statements(): HasMany
+    {
+        return $this->hasMany(StatementModel::class, 'store_id', 'id');
+    }
+}