refactor(validation): restucture api input and output validation

src/app/api/event/[eventID]/swagger.ts

@@ -0,0 +1,94 @@
+import { OpenAPIRegistry } from '@asteasolutions/zod-to-openapi';
+import { EventResponseSchema, updateEventSchema } from '../validation';
+import {
+  invalidRequestDataResponse,
+  notAuthenticatedResponse,
+  serverReturnedDataValidationErrorResponse,
+  userNotFoundResponse,
+} from '@/lib/defaultApiResponses';
+import {
+  EventIdParamSchema,
+  SuccessResponseSchema,
+} from '@/app/api/validation';
+import zod from 'zod/v4';
+
+export default function registerSwaggerPaths(registry: OpenAPIRegistry) {
+  registry.registerPath({
+    method: 'get',
+    path: '/event/{eventID}',
+    request: {
+      params: zod.object({
+        eventID: EventIdParamSchema,
+      }),
+    },
+    responses: {
+      200: {
+        description: 'Event retrieved successfully',
+        content: {
+          'application/json': {
+            schema: EventResponseSchema,
+          },
+        },
+      },
+      ...userNotFoundResponse,
+      ...serverReturnedDataValidationErrorResponse,
+    },
+    tags: ['Event'],
+  });
+
+  registry.registerPath({
+    method: 'delete',
+    path: '/event/{eventID}',
+    request: {
+      params: zod.object({
+        eventID: EventIdParamSchema,
+      }),
+    },
+    responses: {
+      200: {
+        description: 'Event deleted successfully',
+        content: {
+          'application/json': {
+            schema: SuccessResponseSchema,
+          },
+        },
+      },
+      ...notAuthenticatedResponse,
+      ...userNotFoundResponse,
+      ...serverReturnedDataValidationErrorResponse,
+    },
+    tags: ['Event'],
+  });
+
+  registry.registerPath({
+    method: 'patch',
+    path: '/event/{eventID}',
+    request: {
+      params: zod.object({
+        eventID: EventIdParamSchema,
+      }),
+      body: {
+        content: {
+          'application/json': {
+            schema: updateEventSchema,
+          },
+        },
+      },
+    },
+    responses: {
+      200: {
+        description: 'Event updated successfully',
+        content: {
+          'application/json': {
+            schema: EventResponseSchema,
+          },
+        },
+      },
+      ...invalidRequestDataResponse,
+      ...notAuthenticatedResponse,
+      ...userNotFoundResponse,
+      ...serverReturnedDataValidationErrorResponse,
+    },
+    tags: ['Event'],
+  });
+}