Files
nextjs-dashboard/app/lib/actions.ts

122 lines
3.4 KiB
TypeScript

'use server';
import { z } from 'zod';
import { sql } from '@vercel/postgres';
import { revalidatePath } from 'next/cache';
import {redirect} from "next/navigation";
import { signIn } from '@/auth';
import { AuthError } from 'next-auth';
const FormSchema = z.object({
id: z.string(),
customerId: z.string({
invalid_type_error: 'Please select a customer.',
}),
amount: z.coerce.number().gt(0, { message: 'Please enter an amount greater than $0.' }),
status: z.enum(['pending', 'paid'], { invalid_type_error: 'Please select an invoice status'}),
date: z.string(),
});
const UpdateInvoice = FormSchema.omit({ id: true, date: true });
const CreateInvoice = FormSchema.omit({ id: true, date: true });
export type State = {
errors?: {
customerId?: string[];
amount?: string[];
status?: string[];
};
message?: string | null;
};
export async function createInvoice(prevState: State, formData: FormData) {
const validatedFields = CreateInvoice.safeParse({
customerId: formData.get('customerId'),
amount: formData.get('amount'),
status: formData.get('status'),
});
// If form validation fails, return errors early. Otherwise, continue.
if (!validatedFields.success) {
return {
errors: validatedFields.error.flatten().fieldErrors,
message: 'Missing Fields. Failed to Create Invoice.',
};
}
const { customerId, amount, status } = validatedFields.data;
const amountInCents = amount * 100;
const date = new Date().toISOString().split('T')[0];
try {
await sql`
INSERT INTO invoices (customer_id, amount, status, date)
VALUES (${customerId}, ${amountInCents}, ${status}, ${date})
`;
} catch (error) {
return {
message: 'Database Error: Failed to Create Invoice.',
};
}
revalidatePath('/dashboard/invoices');
redirect('/dashboard/invoices');
}
export async function updateInvoice(id: string, formData: FormData) {
const { customerId, amount, status } = UpdateInvoice.parse({
customerId: formData.get('customerId'),
amount: formData.get('amount'),
status: formData.get('status'),
});
const amountInCents = amount * 100;
try {
await sql`
UPDATE invoices
SET customer_id = ${customerId}, amount = ${amountInCents}, status = ${status}
WHERE id = ${id}
`;
} catch (error) {
return { message: 'Database Error: Failed to Update Invoice.' };
}
revalidatePath('/dashboard/invoices');
redirect('/dashboard/invoices');
}
export async function deleteInvoice(id: string) {
throw new Error('Failed to Delete Invoice');
try {
await sql`DELETE FROM invoices WHERE id = ${id}`;
revalidatePath('/dashboard/invoices');
return { message: 'Deleted Invoice.' };
} catch (error) {
return { message: 'Database Error: Failed to Delete Invoice.' };
}
}
export async function authenticate(
prevState: string | undefined,
formData: FormData,
) {
try {
await signIn('credentials', formData);
} catch (error) {
if (error instanceof AuthError) {
switch (error.type) {
case 'CredentialsSignin':
return 'Invalid credentials.';
default:
return 'Something went wrong.';
}
}
throw error;
}
}