Allow viewing diff before revision is written (#5399)

server/routes/api/revisions/schema.ts

@@ -0,0 +1,46 @@
+import { isEmpty } from "lodash";
+import { z } from "zod";
+import { Revision } from "@server/models";
+import BaseSchema from "@server/routes/api/BaseSchema";
+
+export const RevisionsInfoSchema = BaseSchema.extend({
+  body: z
+    .object({
+      id: z.string().uuid().optional(),
+      documentId: z.string().uuid().optional(),
+    })
+    .refine((req) => !(isEmpty(req.id) && isEmpty(req.documentId)), {
+      message: "id or documentId is required",
+    }),
+});
+
+export type RevisionsInfoReq = z.infer<typeof RevisionsInfoSchema>;
+
+export const RevisionsDiffSchema = BaseSchema.extend({
+  body: z.object({
+    id: z.string().uuid(),
+    compareToId: z.string().uuid().optional(),
+  }),
+});
+
+export type RevisionsDiffReq = z.infer<typeof RevisionsDiffSchema>;
+
+export const RevisionsListSchema = z.object({
+  body: z.object({
+    direction: z
+      .string()
+      .optional()
+      .transform((val) => (val !== "ASC" ? "DESC" : val)),
+
+    sort: z
+      .string()
+      .refine((val) => Object.keys(Revision.getAttributes()).includes(val), {
+        message: "Invalid sort parameter",
+      })
+      .default("createdAt"),
+
+    documentId: z.string().uuid(),
+  }),
+});
+
+export type RevisionsListReq = z.infer<typeof RevisionsListSchema>;