Introduce zod for server-side validations (#4397)

* chore(server): use zod for validations

* fix(server): use ctx.input for documents.list

* fix(server): schema for documents.archived

* fix(server): documents.deleted, documents.viewed & documents.drafts

* fix(server): documents.info

* fix(server): documents.export & documents.restore

* fix(server): documents.search_titles & documents.search

* fix(server): documents.templatize

* fix(server): replace nullish() with optional()

* fix(server): documents.update

* fix(server): documents.move

* fix(server): remaining

* fix(server): add validation for snippet min and max words

* fix(server): fix update types

* fix(server): remove DocumentSchema

* fix(server): collate duplicate schemas

* fix: typos

* fix: reviews

* chore: Fixed case of Metrics import

* fix: restructure /api

* fix: loosen validation for id as it can be a slug too

* Add test for query by slug
Simplify import

Co-authored-by: Tom Moor <tom.moor@gmail.com>

server/middlewares/validate.ts

@@ -0,0 +1,17 @@
+import { Next } from "koa";
+import { z } from "zod";
+import { ValidationError } from "@server/errors";
+import { APIContext } from "@server/types";
+
+export default function validate<T extends z.ZodTypeAny>(schema: T) {
+  return async function validateMiddleware(ctx: APIContext<T>, next: Next) {
+    try {
+      ctx.input = schema.parse(ctx.request.body);
+    } catch (err) {
+      const { path, message } = err.issues[0];
+      const [prefix = "ValidationError"] = path;
+      throw ValidationError(`${prefix}: ${message}`);
+    }
+    return next();
+  };
+}