Improve error handling

Add all validation errors.

src/core.ts

@@ -27,6 +27,7 @@ export interface Resource {
 	routeName?: string;
 	dataSource: DataSource;
 	newId(dataSource: DataSource): string | number | unknown;
+	schema: Parameters<typeof v.object>[0];
 }
 
 interface GenerationStrategy {
@@ -88,6 +89,9 @@ export const resource = (schema: Parameters<typeof v.object>[0]) => {
 		},
 		get routeName() {
 			return theRouteName;
+		},
+		get schema() {
+			return schema;
 		}
 	};
 };
@@ -150,10 +154,21 @@ const handleCreate = async (
 					resolve();
 					return;
 				}
-			} catch {
+
+				await v.parseAsync(v.object(resource.schema), bodyDeserialized, { abortEarly: false });
+			} catch (err) {
 				res.statusCode = constants.HTTP_STATUS_BAD_REQUEST;
 				res.statusMessage = `Invalid ${resource.itemName}`;
-				res.end();
+
+				if (Array.isArray(err.issues)) {
+					// TODO better error reporting, localizable messages
+					res.end(
+						err.issues.map((i) => `${i.path.map((p) => p.key).join('.')}:\n${i.message}`)
+							.join('\n\n')
+					)
+				} else {
+					res.end();
+				}
 				resolve();
 				return;
 			}