init

internal/models/system_category.go

@@ -0,0 +1,40 @@
+package models
+
+import "gorm.io/gorm"
+
+// SystemCategory represents system-level categories that cannot be deleted by users
+// Feature: accounting-feature-upgrade
+// Validates: Requirements 8.19, 8.20
+type SystemCategory struct {
+	ID       uint   `gorm:"primarykey" json:"id"`
+	Code     string `gorm:"size:50;uniqueIndex;not null" json:"code"` // refund, reimbursement
+	Name     string `gorm:"size:100;not null" json:"name"`
+	Icon     string `gorm:"size:100" json:"icon"`
+	Type     string `gorm:"size:20;not null" json:"type"` // income, expense
+	IsSystem bool   `gorm:"default:true" json:"is_system"`
+}
+
+// TableName specifies the table name for SystemCategory
+func (SystemCategory) TableName() string {
+	return "system_categories"
+}
+
+// InitSystemCategories initializes the system categories (refund and reimbursement)
+// This function should be called during application startup or migration
+// Feature: accounting-feature-upgrade
+// Validates: Requirements 8.19, 8.20
+func InitSystemCategories(db *gorm.DB) error {
+	categories := []SystemCategory{
+		{Code: "refund", Name: "退款", Icon: "mdi:cash-refund", Type: "income", IsSystem: true},
+		{Code: "reimbursement", Name: "报销", Icon: "mdi:receipt-text-check", Type: "income", IsSystem: true},
+	}
+
+	for _, cat := range categories {
+		// Use FirstOrCreate to avoid duplicates
+		if err := db.FirstOrCreate(&cat, SystemCategory{Code: cat.Code}).Error; err != nil {
+			return err
+		}
+	}
+
+	return nil
+}