feat: secure custom field value routing

src/shared/dto/custom-field.dto.ts

@@ -1,4 +1,36 @@
-import { IsString, IsOptional, IsNotEmpty } from 'class-validator';
+import { IsString, IsOptional, IsNotEmpty, IsEnum } from 'class-validator';
+
+export enum CustomFieldEntityType {
+  MACHINE = 'machine',
+  COMPOSANT = 'composant',
+  PIECE = 'piece',
+}
+
+export class CustomFieldEntityParamsDto {
+  @IsEnum(CustomFieldEntityType)
+  entityType: CustomFieldEntityType;
+
+  @IsString()
+  @IsNotEmpty()
+  entityId: string;
+}
+
+export class UpsertCustomFieldValueDto {
+  @IsString()
+  @IsNotEmpty()
+  customFieldId: string;
+
+  @IsEnum(CustomFieldEntityType)
+  entityType: CustomFieldEntityType;
+
+  @IsString()
+  @IsNotEmpty()
+  entityId: string;
+
+  @IsString()
+  @IsNotEmpty()
+  value: string;
+}
 
 export class CreateCustomFieldValueDto {
   @IsString()