init push

internal/domain/file_manager/model_attachment.go

@@ -0,0 +1,47 @@
+package filemanager
+
+import (
+	"strings"
+	"time"
+
+	"gorm.io/gorm"
+
+	"wucher/internal/shared/pkg/uuidv7"
+)
+
+type Attachment struct {
+	ID         []byte    `gorm:"type:binary(16);primaryKey;column:id"`
+	FileID     []byte    `gorm:"type:binary(16);not null;column:file_id;index:idx_attachments_file_id;uniqueIndex:uq_attachments_ref_file,priority:3"`
+	RefType    string    `gorm:"type:varchar(64);not null;column:ref_type;index:idx_attachments_ref_sort,priority:1;index:idx_attachments_ref_category,priority:1;uniqueIndex:uq_attachments_ref_file,priority:1"`
+	RefID      string    `gorm:"type:varchar(191);not null;column:ref_id;index:idx_attachments_ref_sort,priority:2;index:idx_attachments_ref_category,priority:2;uniqueIndex:uq_attachments_ref_file,priority:2"`
+	Category   *string   `gorm:"type:varchar(64);column:category;index:idx_attachments_ref_category,priority:3"`
+	SortOrder  int       `gorm:"type:int;not null;default:0;column:sort_order;index:idx_attachments_ref_sort,priority:3"`
+	IsPrimary  bool      `gorm:"type:boolean;not null;default:false;column:is_primary"`
+	AttachedBy []byte    `gorm:"type:binary(16);column:attached_by"`
+	CreatedAt  time.Time `gorm:"column:created_at;index:idx_attachments_ref_sort,priority:4"`
+	UpdatedAt  time.Time `gorm:"column:updated_at"`
+	File       *File     `gorm:"foreignKey:FileID;references:ID;constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+}
+
+func (Attachment) TableName() string { return "attachments" }
+
+func (a *Attachment) BeforeCreate(_ *gorm.DB) error {
+	if len(a.ID) == 0 {
+		a.ID = uuidv7.MustBytes()
+	}
+	if trimmed := strings.TrimSpace(a.RefType); trimmed != "" {
+		a.RefType = trimmed
+	}
+	if trimmed := strings.TrimSpace(a.RefID); trimmed != "" {
+		a.RefID = trimmed
+	}
+	if a.Category != nil {
+		value := strings.TrimSpace(*a.Category)
+		if value == "" {
+			a.Category = nil
+		} else {
+			a.Category = &value
+		}
+	}
+	return nil
+}