Files
interview-project/src/components/TaskForm.tsx
T

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TypeScript

import React from "react";
import { Controller, useForm } from "react-hook-form";
import type { Task } from "../utils/types";
import { useRef } from "react";
import { useContext } from "react";
import { UserContext } from "../contexts/userContext";
import { TaskContext } from "../contexts/taskContext";
import {
Autocomplete,
Button,
Card,
CardHeader,
Skeleton,
TextField,
} from "@mui/material";
import { DatePicker } from "@mui/x-date-pickers/DatePicker";
import { validateDueDate } from "../utils/validation";
import type { Dayjs } from "dayjs";
type FormValues = {
text: string;
assignedTo: number;
dueDate: Dayjs;
};
const TaskForm: React.FC = () => {
const {
register,
handleSubmit,
control,
reset,
formState: { errors: formErrors },
} = useForm<FormValues>();
const { users, loading, error } = useContext(UserContext);
const { tasks, setTasks } = useContext(TaskContext);
const creationDate = useRef<Date>(new Date());
function addTask(data: FormValues) {
creationDate.current = new Date();
const currentIdMaxId = Math.max(...tasks.map((task) => task.id)) + 1;
const newId = Math.max(currentIdMaxId, 1);
const newTask: Task = {
id: newId,
assignedTo: Number(data.assignedTo),
due: data.dueDate.format("YYYY-MM-DD"),
text: data.text,
createdAt: creationDate,
finished: false,
};
setTasks((prev) => [...prev, newTask]);
reset();
}
if (loading) return <Skeleton className="task-form-skeleton" />;
// TODO Better error display
if (users == null) return <div>{error}</div>;
return (
<Card>
<CardHeader title="Create new task" />
<form className="task-form" onSubmit={handleSubmit(addTask)}>
<TextField
id="outlined-basic"
label="Task text"
variant="outlined"
error={!!formErrors.text}
helperText={formErrors.text?.message}
{...register("text", {
required: "Task text is required",
minLength: {
value: 2,
message: "Must be at least 2 characters",
},
})}
/>
<Controller
name="assignedTo"
control={control}
rules={{ required: "Assignee is required" }}
render={({ field }) => (
<Autocomplete
disablePortal
options={users.map((user) => ({
label: user.name,
id: user.id,
}))}
getOptionLabel={(option) => option.label}
onChange={(_, data) => field.onChange(data?.id || "")}
renderInput={(params) => (
<TextField
{...params}
label="Assign To"
error={!!formErrors.assignedTo}
helperText={formErrors.assignedTo?.message}
/>
)}
/>
)}
/>
<Controller
name="dueDate"
control={control}
rules={{
required: "Due date is required",
validate: validateDueDate,
}}
render={({ field }) => (
<DatePicker
label="Due Date"
onChange={(date) => field.onChange(date)}
slotProps={{
textField: {
fullWidth: true,
error: !!formErrors.dueDate,
helperText: formErrors.dueDate?.message,
},
}}
/>
)}
/>
<Button type="submit" variant="outlined">
Add
</Button>
</form>
</Card>
);
};
export default TaskForm;