chatbot-template/app/(chat)/api/chat/schema.ts

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import { z } from "zod";
const textPartSchema = z.object({
type: z.enum(["text"]),
text: z.string().min(1).max(2000),
});
const filePartSchema = z.object({
type: z.enum(["file"]),
mediaType: z.enum(["image/jpeg", "image/png", "image/webp", "image/gif"]),
name: z.string().min(1).max(100),
url: z.string(),
});
const partSchema = z.union([textPartSchema, filePartSchema]);
const userMessageSchema = z.object({
id: z.string().uuid(),
role: z.enum(["user"]),
parts: z.array(partSchema),
});
const toolApprovalMessageSchema = z.object({
id: z.string(),
role: z.enum(["user", "assistant"]),
parts: z.array(z.record(z.unknown())),
});
export const postRequestBodySchema = z.object({
id: z.string().uuid(),
message: userMessageSchema.optional(),
messages: z.array(toolApprovalMessageSchema).optional(),
selectedChatModel: z.string(),
selectedVisibilityType: z.enum(["public", "private"]),
});
export type PostRequestBody = z.infer<typeof postRequestBodySchema>;