refactor: remove empty services (#116)

* remove empty services

* remove old factory

* remove old static files

* cleanup more duplicate service code

* file/folder reorg

backend/internal/data/ent/attachment/attachment.go

@@ -0,0 +1,113 @@
+// Code generated by ent, DO NOT EDIT.
+
+package attachment
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+const (
+	// Label holds the string label denoting the attachment type in the database.
+	Label = "attachment"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldCreatedAt holds the string denoting the created_at field in the database.
+	FieldCreatedAt = "created_at"
+	// FieldUpdatedAt holds the string denoting the updated_at field in the database.
+	FieldUpdatedAt = "updated_at"
+	// FieldType holds the string denoting the type field in the database.
+	FieldType = "type"
+	// EdgeItem holds the string denoting the item edge name in mutations.
+	EdgeItem = "item"
+	// EdgeDocument holds the string denoting the document edge name in mutations.
+	EdgeDocument = "document"
+	// Table holds the table name of the attachment in the database.
+	Table = "attachments"
+	// ItemTable is the table that holds the item relation/edge.
+	ItemTable = "attachments"
+	// ItemInverseTable is the table name for the Item entity.
+	// It exists in this package in order to avoid circular dependency with the "item" package.
+	ItemInverseTable = "items"
+	// ItemColumn is the table column denoting the item relation/edge.
+	ItemColumn = "item_attachments"
+	// DocumentTable is the table that holds the document relation/edge.
+	DocumentTable = "attachments"
+	// DocumentInverseTable is the table name for the Document entity.
+	// It exists in this package in order to avoid circular dependency with the "document" package.
+	DocumentInverseTable = "documents"
+	// DocumentColumn is the table column denoting the document relation/edge.
+	DocumentColumn = "document_attachments"
+)
+
+// Columns holds all SQL columns for attachment fields.
+var Columns = []string{
+	FieldID,
+	FieldCreatedAt,
+	FieldUpdatedAt,
+	FieldType,
+}
+
+// ForeignKeys holds the SQL foreign-keys that are owned by the "attachments"
+// table and are not defined as standalone fields in the schema.
+var ForeignKeys = []string{
+	"document_attachments",
+	"item_attachments",
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	for i := range ForeignKeys {
+		if column == ForeignKeys[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
+	DefaultCreatedAt func() time.Time
+	// DefaultUpdatedAt holds the default value on creation for the "updated_at" field.
+	DefaultUpdatedAt func() time.Time
+	// UpdateDefaultUpdatedAt holds the default value on update for the "updated_at" field.
+	UpdateDefaultUpdatedAt func() time.Time
+	// DefaultID holds the default value on creation for the "id" field.
+	DefaultID func() uuid.UUID
+)
+
+// Type defines the type for the "type" enum field.
+type Type string
+
+// TypeAttachment is the default value of the Type enum.
+const DefaultType = TypeAttachment
+
+// Type values.
+const (
+	TypePhoto      Type = "photo"
+	TypeManual     Type = "manual"
+	TypeWarranty   Type = "warranty"
+	TypeAttachment Type = "attachment"
+	TypeReceipt    Type = "receipt"
+)
+
+func (_type Type) String() string {
+	return string(_type)
+}
+
+// TypeValidator is a validator for the "type" field enum values. It is called by the builders before save.
+func TypeValidator(_type Type) error {
+	switch _type {
+	case TypePhoto, TypeManual, TypeWarranty, TypeAttachment, TypeReceipt:
+		return nil
+	default:
+		return fmt.Errorf("attachment: invalid enum value for type field: %q", _type)
+	}
+}