added more descriptive error handling of forms #11

Merged
christian merged 2 commits from admin-forms into main 2024-06-03 11:28:35 +00:00
4 changed files with 132 additions and 57 deletions

View File

@ -23,19 +23,22 @@ export default function CreateCountryForm() {
}, [formState.message]);
return (
<form ref={formRef} action={formAction} className="flex flex-col gap-2">
<div className="flex items-center gap-2">
<div className="flex max-w-3xl items-center gap-2">
<Input
name="name"
id="name"
className={clsx({ "border-red-500": formState.errors?.name })}
/>
{formState.message === "success" ? (
{formState.message !== "" && !formState.errors?.name ? (
<Check className="text-green-500" />
) : (
""
)}
{formState.message === "error" ? (
<CircleX className="text-red-500" />
{formState.errors?.name ? (
<div className="flex min-w-96 items-center gap-1 text-red-500">
<CircleX />
<span className="text-sm">{formState.errors?.name}</span>
</div>
) : (
""
)}

View File

@ -1,7 +1,7 @@
"use client";
import { Input } from "~/components/ui/input";
import SubmitButton from "../SubmitButton";
import { useActionState } from "react";
import { useEffect, useRef } from "react";
import { addRegion } from "~/server/actions/addRegion";
import {
Select,
@ -11,6 +11,8 @@ import {
SelectValue,
} from "~/components/ui/select";
import { useFormState } from "react-dom";
import clsx from "clsx";
import { Check, CircleX } from "lucide-react";
interface Country {
id: string;
@ -18,13 +20,49 @@ interface Country {
}
export default function CreateRegionForm(props: { countries: Country[] }) {
const [state, formAction] = useFormState(addRegion, null);
const [formState, formAction] = useFormState(addRegion, {
message: "",
errors: undefined,
fieldValues: {
name: "",
countryId: "",
},
});
const { countries } = props;
const formRef = useRef<HTMLFormElement>(null);
useEffect(() => {
if (formState.message === "success") {
formRef.current?.reset();
}
}, [formState.message]);
return (
<form action={formAction}>
<Input name="name" />
<form ref={formRef} action={formAction} className="flex flex-col gap-2">
<div className="flex max-w-3xl items-center gap-2">
<Input
name="name"
id="name"
placeholder="Name"
className={`${clsx({ "border-red-500": formState.errors?.name })}`}
/>
{formState.message === "success" && !formState.errors?.name ? (
<Check className="text-green-500" />
) : (
""
)}
{formState.errors?.name ? (
<div className="flex min-w-40 items-center gap-1 text-red-500">
<CircleX className="text-red-500" />
<span className="text-sm">{formState.errors?.name}</span>
</div>
) : (
""
)}
</div>
<div className="flex max-w-3xl items-center gap-2">
<Select name="country">
<SelectTrigger className="w-[180px]">
<SelectTrigger
className={`w-[180px] ${clsx({ "border-red-500": formState.errors?.countryId })}`}
>
<SelectValue placeholder="Country" />
</SelectTrigger>
<SelectContent>
@ -35,8 +73,19 @@ export default function CreateRegionForm(props: { countries: Country[] }) {
))}
</SelectContent>
</Select>
{formState.message !== "" && !formState.errors?.countryId ? (
<Check className="text-green-500" />
) : (
""
)}
{formState.errors?.countryId ? (
<CircleX className="text-red-500" />
) : (
""
)}
</div>
<SubmitButton text={"Region"} />
<span>{state?.message}</span>
</form>
);
}

View File

@ -7,7 +7,9 @@ import { ZodError, z } from "zod";
import { eq } from "drizzle-orm";
export async function addCountry(prevstate: any, formData: FormData) {
//assign formdaata to variables.
const name = (formData.get("name") as string).toLowerCase();
//check if country already exists
const exists = await db
.select({ name: countries.name })
.from(countries)
@ -26,10 +28,7 @@ export async function addCountry(prevstate: any, formData: FormData) {
name,
});
//If the name doesn't exist, add the country to the database abd revalidate the page
await db
.insert(countries)
.values({ name })
.returning({ name: countries.name });
await db.insert(countries).values({ name });
revalidatePath("/");
//Return a success message
return {
@ -42,6 +41,7 @@ export async function addCountry(prevstate: any, formData: FormData) {
} catch (error) {
const zodError = error as ZodError;
const errorMap = zodError.flatten().fieldErrors;
//Return an error object with the field values and errors.
return {
message: "error",
errors: {

View File

@ -3,40 +3,63 @@
import { revalidatePath } from "next/cache";
import { db } from "../db";
import { regions } from "../db/schema";
import { z } from "zod";
const schema = z.object({
countryId: z.string().min(1, "No country selected"),
name: z.string().min(1, "Name is required"),
});
import { ZodError, z } from "zod";
import { eq } from "drizzle-orm";
export const addRegion = async (prevstate: any, formData: FormData) => {
const regionData = {
name: (formData.get("name") as string).toLowerCase(),
countryId: formData.get("country") as string,
};
const newRegion = schema.safeParse(regionData);
if (!newRegion.success) {
return {
message: newRegion.error.issues[0]?.message,
data: newRegion.data,
};
}
const confirmedRegion = await db
.insert(regions)
.values(newRegion.data)
.onConflictDoNothing()
.returning({ name: regions.name });
if (!confirmedRegion[0]) {
return {
message: `${newRegion.data.name} already exists`,
data: newRegion.data,
};
} else {
const message = `${newRegion.data.name} added`;
const errors = newRegion.error;
const data = newRegion.data;
//assign formdaata to variables.
const name = (formData.get("name") as string).toLowerCase();
const countryId = formData.get("country") as string;
//check if region already exists in country
const exists = await db
.select({ name: regions.name })
.from(regions)
.where(eq(regions.countryId, countryId) && eq(regions.name, name));
//Define the schema for the form data
const schema = z.object({
countryId: z.string().min(1, "No country selected"),
name: z
.string()
.min(1, "Name is required")
.refine(() => !exists[0], {
message: `${name} already exists in selected country`,
}),
});
//Parse the form data using the schema for validation, and check if the name already exists
try {
schema.parse({
countryId,
name,
});
//If the name doesn't exist, add the country to the database abd revalidate the page
await db.insert(regions).values({ countryId, name });
revalidatePath("/");
return { message, errors, data };
//Return a success message
return {
message: "success",
errors: undefined,
fieldValues: {
name: "",
countryId: "",
},
};
} catch (error) {
const zodError = error as ZodError;
const errorMap = zodError.flatten().fieldErrors;
//Return an error object with the field values and errors.
return {
message: "error",
errors: {
name: errorMap["name"]?.[0] ?? "",
countryId: errorMap["countryId"]?.[0] ?? "",
},
fieldValues: {
name,
countryId,
},
};
}
};