implemented user-adding

backend/pkg/db/events/events.go

@@ -150,3 +150,9 @@ func UserPending(userName string) (int, error) {
 		return result.Count, nil
 	}
 }
+
+func Delete(eventId int) error {
+	_, err := db.DB.Exec("DELETE FROM EVENTS WHERE id = ?", eventId)
+
+	return err
+}

backend/pkg/db/users/users.go

@@ -4,8 +4,10 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/google/uuid"
 	cache "github.com/jfarleyx/go-simple-cache"
 	"github.com/johannesbuehl/golunteer/backend/pkg/db"
+	"golang.org/x/crypto/bcrypt"
 )
 
 type User struct {
@@ -17,6 +19,16 @@ type User struct {
 
 var c *cache.Cache
 
+// hashes a password
+func hashPassword(password string) ([]byte, error) {
+	return bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+}
+
+// validates a password against the password-rules
+func ValidatePassword(password string) bool {
+	return len(password) >= 12 && len(password) <= 64
+}
+
 func Get() (map[string]User, error) {
 	if users, hit := c.Get("users"); !hit {
 		refresh()
@@ -27,6 +39,37 @@ func Get() (map[string]User, error) {
 	}
 }
 
+type UserAdd struct {
+	UserName string `json:"userName" validate:"required" db:"userName"`
+	Password string `json:"password" validate:"required,min=8"`
+	Admin    bool   `json:"admin" db:"admin"`
+}
+
+func Add(user UserAdd) error {
+	// try to hash the password
+	if hash, err := hashPassword(user.Password); err != nil {
+		return err
+	} else {
+		insertUser := struct {
+			UserAdd
+			Password []byte `db:"password"`
+			TokenID  string `db:"tokenID"`
+		}{
+			UserAdd:  user,
+			Password: hash,
+			TokenID:  uuid.NewString(),
+		}
+
+		if _, err := db.DB.NamedExec("INSERT INTO USERS (name, password, admin, tokenID) VALUES (:userName, :password, :admin, :tokenID)", insertUser); err != nil {
+			return err
+		} else {
+			refresh()
+
+			return nil
+		}
+	}
+}
+
 func refresh() {
 	// get the usersRaw from the database
 	var usersRaw []User

backend/pkg/router/events.go

@@ -88,3 +88,20 @@ func getEventsUserPending(args HandlerArgs) responseMessage {
 
 	return response
 }
+
+func deleteEvent(args HandlerArgs) responseMessage {
+	response := responseMessage{}
+
+	// check for admin
+	if !args.User.Admin {
+		response.Status = fiber.StatusForbidden
+
+		// -1 can't be valid
+	} else if eventId := args.C.QueryInt("id", -1); eventId == -1 {
+		response.Status = fiber.StatusBadRequest
+	} else if err := events.Delete(eventId); err != nil {
+		response.Status = fiber.StatusInternalServerError
+	}
+
+	return response
+}

backend/pkg/router/router.go

@@ -80,9 +80,14 @@ func init() {
 			"events/user/pending":   getEventsUserPending,
 			"tasks":                 getTasks,
 		},
-		"POST":   {"events": postEvent},
-		"PATCH":  {},
-		"DELETE": {},
+		"POST": {
+			"events": postEvent,
+			"users":  postUser,
+		},
+		"PATCH": {},
+		"DELETE": {
+			"event": deleteEvent,
+		},
 	}
 
 	// handle specific requests special

backend/pkg/router/user.go

@@ -1,13 +1,36 @@
 package router
 
-import "golang.org/x/crypto/bcrypt"
+import (
+	"github.com/gofiber/fiber/v2"
+	"github.com/johannesbuehl/golunteer/backend/pkg/db/users"
+)
 
-// hashes a password
-func hashPassword(password string) ([]byte, error) {
-	return bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
-}
+func postUser(args HandlerArgs) responseMessage {
+	response := responseMessage{}
 
-// validates a password against the password-rules
-func validatePassword(password string) bool {
-	return len(password) >= 12 && len(password) <= 64
+	// check admin
+	if !args.User.Admin {
+		response.Status = fiber.StatusForbidden
+	} else {
+		// parse the body
+		var body users.UserAdd
+
+		if err := args.C.BodyParser(&body); err != nil {
+			response.Status = fiber.StatusBadRequest
+
+			logger.Warn().Msgf("can't parse body: %v", err)
+
+			// validate the body
+		} else if err := validate.Struct(body); err != nil {
+			response.Status = fiber.StatusBadRequest
+
+			logger.Warn().Msgf("invalid body: %v", err)
+		} else if err := users.Add(body); err != nil {
+			response.Status = fiber.StatusInternalServerError
+
+			logger.Warn().Msgf("can't add user: %v", err)
+		}
+	}
+
+	return response
 }

client/src/Zustand.ts

@@ -1,6 +1,5 @@
 "use client";
 
-import { DateFormatter as IntlDateFormatter } from "@internationalized/date";
 import { create } from "zustand";
 import { persist } from "zustand/middleware";
 import { apiCall } from "./lib";
@@ -18,16 +17,18 @@ export interface EventData {
 	description: string;
 }
 
+export interface User {
+	userName: string;
+	admin: boolean;
+}
+
 interface Zustand {
 	events: EventData[];
 	pendingEvents: number;
-	user: {
-		userName: string;
-		admin: boolean;
-	} | null;
+	user: User | null;
 	setEvents: (events: EventData[]) => void;
 	reset: (zustand?: Partial<Zustand>) => void;
-	setPendingEvents: (c: number) => void;
+	getPendingEvents: () => Promise<void>;
 }
 
 const initialState = {
@@ -46,7 +47,18 @@ const zustand = create<Zustand>()(
 					...initialState,
 					...newZustand,
 				}),
-			setPendingEvents: (c) => set(() => ({ pendingEvents: c })),
+			getPendingEvents: async () => {
+				const result = await apiCall<{ pendingEvents: number }>(
+					"GET",
+					"events/user/pending",
+				);
+
+				if (result.ok) {
+					const resultData = await result.json();
+
+					set(() => ({ pendingEvents: resultData }));
+				}
+			},
 		}),
 		{
 			name: "golunteer-storage",
@@ -75,16 +87,4 @@ export async function getTasks(): Promise<
 	}
 }
 
-export class DateFormatter {
-	private formatter;
-
-	constructor(locale: string, options?: Intl.DateTimeFormatOptions) {
-		this.formatter = new IntlDateFormatter(locale, options);
-	}
-
-	format(dt: Date) {
-		return this.formatter.format(dt);
-	}
-}
-
 export default zustand;

client/src/app/Header.tsx

@@ -14,13 +14,14 @@ import {
 	Navbar,
 	NavbarBrand,
 	NavbarContent,
-	NavbarItem,
 	NavbarMenu,
 	NavbarMenuToggle,
+	Tab,
+	Tabs,
 } from "@nextui-org/react";
 import zustand from "@/Zustand";
 import { SiteLink } from "./layout";
-import React, { useEffect } from "react";
+import React from "react";
 
 export default function Header({ sites }: { sites: SiteLink[] }) {
 	const router = useRouter();
@@ -68,21 +69,6 @@ export default function Header({ sites }: { sites: SiteLink[] }) {
 		}
 	}
 
-	// get the pending events for the counter
-	useEffect(() => {
-		(async () => {
-			const result = await apiCall<{ pendingEvents: number }>(
-				"GET",
-				"events/user/pending",
-			);
-
-			if (result.ok) {
-				const resultJson = await result.json();
-				zustand.getState().setPendingEvents(resultJson);
-			}
-		})();
-	}, []);
-
 	return (
 		<div>
 			<Navbar maxWidth="full">
@@ -110,19 +96,13 @@ export default function Header({ sites }: { sites: SiteLink[] }) {
 						</NavbarMenu>
 
 						<NavbarContent justify="center" className="hidden sm:flex">
-							{sites.map((s) =>
-								// if the site is no admin-site or the user is an admin, render it
-								!s.admin || user.admin ? (
-									<NavbarItem key={s.href} isActive={pathname === s.href}>
-										<Link
-											href={s.href}
-											color={pathname === s.href ? "primary" : "foreground"}
-										>
-											{s.text}
-										</Link>
-									</NavbarItem>
-								) : null,
-							)}
+							<Tabs selectedKey={pathname} color="default" variant="light">
+								{sites.map((s) =>
+									!s.admin || user.admin ? (
+										<Tab key={s.href} title={s.text} href={s.href} />
+									) : null,
+								)}
+							</Tabs>
 						</NavbarContent>
 
 						<NavbarContent justify="end">

client/src/app/Main.tsx

@@ -34,6 +34,8 @@ export default function Main({ children }: { children: React.ReactNode }) {
 						const response = await welcomeResult.json();
 
 						if (response.userName !== undefined && response.userName !== "") {
+							void zustand.getState().getPendingEvents();
+
 							zustand.getState().reset({ user: response });
 
 							loggedIn = true;

client/src/app/admin/AddUser.tsx

@@ -0,0 +1,80 @@
+import { AddLarge, Copy } from "@carbon/icons-react";
+import {
+	Button,
+	Checkbox,
+	Form,
+	Input,
+	Modal,
+	ModalBody,
+	ModalContent,
+	ModalFooter,
+	ModalHeader,
+} from "@nextui-org/react";
+import { FormEvent, useState } from "react";
+
+export default function AddUser(props: {
+	isOpen: boolean;
+	onOpenChange?: (isOpen: boolean) => void;
+	onSubmit?: (e: FormEvent<HTMLFormElement>) => void;
+}) {
+	const [password, setPassword] = useState("");
+
+	return (
+		<Modal
+			isOpen={props.isOpen}
+			onOpenChange={props.onOpenChange}
+			shadow={"none" as "sm"}
+			backdrop="blur"
+			className="bg-accent-5"
+		>
+			<ModalContent>
+				<ModalHeader>
+					<h1 className="text-2xl">Add User</h1>
+				</ModalHeader>
+
+				<Form
+					validationBehavior="native"
+					onSubmit={(e) => {
+						e.preventDefault();
+						props.onSubmit?.(e);
+					}}
+				>
+					<ModalBody className="w-full">
+						<Input
+							isRequired
+							type="user"
+							label="Name"
+							name="userName"
+							variant="bordered"
+						/>
+						<Input
+							isRequired
+							label="Password"
+							name="password"
+							variant="bordered"
+							endContent={
+								<Button
+									isIconOnly
+									variant="light"
+									onPress={() => navigator.clipboard.writeText(password)}
+								>
+									<Copy />
+								</Button>
+							}
+							value={password}
+							onValueChange={setPassword}
+						/>
+						<Checkbox value="admin" name="admin">
+							Admin
+						</Checkbox>
+					</ModalBody>
+					<ModalFooter>
+						<Button type="submit" color="primary" startContent={<AddLarge />}>
+							Add User
+						</Button>
+					</ModalFooter>
+				</Form>
+			</ModalContent>
+		</Modal>
+	);
+}

client/src/app/admin/Users.tsx

@@ -0,0 +1,113 @@
+import { apiCall } from "@/lib";
+import { User } from "@/Zustand";
+import {
+	Button,
+	Checkbox,
+	Table,
+	TableBody,
+	TableCell,
+	TableColumn,
+	TableHeader,
+	TableRow,
+} from "@nextui-org/react";
+import { useAsyncList } from "@react-stately/data";
+import { FormEvent, useState } from "react";
+import AddUser from "./AddUser";
+
+export default function Users() {
+	const [showAddUser, setShowAddUser] = useState(false);
+	const users = useAsyncList<User>({
+		async load() {
+			return {
+				items: [
+					{ userName: "admin", admin: true },
+					{ userName: "foo", admin: false },
+					{ userName: "bar", admin: true },
+				],
+			};
+		},
+		async sort({ items, sortDescriptor }) {
+			return {
+				items: items.sort((a, b) => {
+					let cmp = 0;
+
+					switch (sortDescriptor.column) {
+						case "admin":
+							if (a.admin && !b.admin) {
+								cmp = -1;
+							} else if (!a.admin && b.admin) {
+								cmp = 1;
+							}
+							break;
+						case "userName":
+							cmp = a.userName.localeCompare(b.userName);
+					}
+
+					if (sortDescriptor.direction === "descending") {
+						cmp *= -1;
+					}
+
+					return cmp;
+				}),
+			};
+		},
+	});
+
+	// send an addUser request to the backend then reload the table
+	async function addUser(e: FormEvent<HTMLFormElement>) {
+		const data = Object.fromEntries(new FormData(e.currentTarget));
+
+		const result = await apiCall("POST", "users", undefined, {
+			...data,
+			admin: data.admin === "admin",
+		});
+
+		if (result.ok) {
+			users.reload();
+		}
+	}
+
+	const topContent = (
+		<>
+			<Button onPress={() => setShowAddUser(true)}>Add User</Button>
+		</>
+	);
+
+	return (
+		<div>
+			<Table
+				aria-label="Table with all users"
+				shadow="none"
+				isHeaderSticky
+				topContent={topContent}
+				sortDescriptor={users.sortDescriptor}
+				onSortChange={users.sort}
+			>
+				<TableHeader>
+					<TableColumn allowsSorting key="userName">
+						Username
+					</TableColumn>
+					<TableColumn allowsSorting key="admin">
+						Admin
+					</TableColumn>
+				</TableHeader>
+				<TableBody items={users.items}>
+					{(user) => (
+						<TableRow key={user.userName}>
+							<TableCell>{user.userName}</TableCell>
+							<TableCell>
+								<Checkbox isSelected={user.admin} />
+							</TableCell>
+						</TableRow>
+					)}
+				</TableBody>
+			</Table>
+
+			<AddUser
+				isOpen={showAddUser}
+				onOpenChange={setShowAddUser}
+				onSubmit={(e) => void addUser(e)}
+			/>
+		</div>
+	);
+}

client/src/app/admin/page.tsx

@@ -1,280 +1,18 @@
 "use client";
 
-import AddEvent from "@/components/Event/AddEvent";
-import LocalDate from "@/components/LocalDate";
-import { apiCall } from "@/lib";
-import { Availability, EventData, getTasks, Task } from "@/Zustand";
-import { Add, Copy, Edit, TrashCan } from "@carbon/icons-react";
-import {
-	Button,
-	ButtonGroup,
-	Modal,
-	ModalBody,
-	ModalContent,
-	ModalFooter,
-	ModalHeader,
-	Select,
-	SelectItem,
-	Table,
-	TableBody,
-	TableCell,
-	TableColumn,
-	TableHeader,
-	TableRow,
-	Tooltip,
-} from "@nextui-org/react";
-import { useAsyncList } from "@react-stately/data";
-import React, { Key, useState } from "react";
-
-type EventWithAvailabilities = EventData & { availabilities: string[] };
-
-function availability2Tailwind(availability?: Availability) {
-	switch (availability) {
-		case "yes":
-			return "";
-		default:
-			return "italic";
-	}
-}
-
-function availability2Color(availability?: Availability) {
-	switch (availability) {
-		case "yes":
-			return "default";
-		case "maybe":
-			return "warning";
-		default:
-			return "danger";
-	}
-}
-
-export default function AdminPanel() {
-	// get the available tasks and craft them into the headers
-	const headers = useAsyncList({
-		async load() {
-			const tasks = await getTasks();
-
-			return {
-				items: [
-					{ key: "date", label: "Date" },
-					{ key: "description", label: "Description" },
-					...Object.entries(tasks)
-						.filter(([, task]) => !task.disabled)
-						.map(([id, task]) => ({ label: task.text, key: id })),
-					{ key: "actions", label: "Action" },
-				],
-			};
-		},
-	});
-
-	// get the individual events
-	const events = useAsyncList<EventWithAvailabilities>({
-		async load() {
-			const result = await apiCall<EventWithAvailabilities[]>(
-				"GET",
-				"events/availabilities",
-			);
-
-			if (result.ok) {
-				return { items: await result.json() };
-			} else {
-				return { items: [] };
-			}
-		},
-		async sort({ items, sortDescriptor }) {
-			return {
-				items: items.sort((a, b) => {
-					let cmp = 0;
-
-					// if it is the date-column, convert to a date
-					if (sortDescriptor.column === "date") {
-						const first = a[sortDescriptor.column];
-						const second = b[sortDescriptor.column];
-
-						cmp = first < second ? -1 : 1;
-					}
-
-					if (sortDescriptor.direction === "descending") {
-						cmp *= -1;
-					}
-
-					return cmp;
-				}),
-			};
-		},
-	});
-
-	function getKeyValue(
-		event: EventWithAvailabilities,
-		key: Key,
-	): React.ReactNode {
-		switch (key) {
-			case "date":
-				return (
-					<LocalDate
-						options={{ dateStyle: "medium", timeStyle: "short" }}
-						className="font-bold"
-					>
-						{event[key]}
-					</LocalDate>
-				);
-			case "description":
-				return <span className="italic">{event[key]}</span>;
-			case "actions":
-				return (
-					<div className="flex justify-end">
-						<ButtonGroup isIconOnly variant="light" size="sm">
-							<Button>
-								<Tooltip content="Edit event">
-									<Edit />
-								</Tooltip>
-							</Button>
-							<Button>
-								<Tooltip content="Duplicate event">
-									<Copy />
-								</Tooltip>
-							</Button>
-							<Button
-								color="danger"
-								onPress={() => {
-									setActiveEvent(event);
-									setShowDeleteConfirm(true);
-								}}
-							>
-								<Tooltip content="Delete event">
-									<TrashCan />
-								</Tooltip>
-							</Button>
-						</ButtonGroup>
-					</div>
-				);
-			default:
-				return (
-					<Select
-						variant="underlined"
-						fullWidth
-						selectedKeys={new Set([event.tasks[key as Task] ?? ""])}
-						classNames={{
-							popoverContent: "w-fit",
-							value: "mr-6",
-							label: "mr-6",
-						}}
-						className="[&_*]:overflow-visible"
-					>
-						{Object.entries(event.availabilities).map(
-							([volunteer, availability]) => (
-								<SelectItem
-									key={volunteer}
-									// color={availability2Color(availability)}
-									className={[
-										// "text-" + availability2Color(availability),
-										// availability2Tailwind(availability),
-									].join(" ")}
-								>
-									{volunteer} ({availability})
-								</SelectItem>
-							),
-						)}
-					</Select>
-				);
-		}
-	}
-
-	const [showAddEvent, setShowAddEvent] = useState(false);
-	const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
-	const [activeEvent, setActiveEvent] = useState<EventData | undefined>();
-
-	const topContent = (
-		<div>
-			<Button
-				color="primary"
-				startContent={<Add size={32} />}
-				onPress={() => setShowAddEvent(true)}
-			>
-				Add
-			</Button>
-		</div>
-	);
+import { Tab, Tabs } from "@nextui-org/react";
+import Users from "./Users";
 
+export default function AdminDashboard() {
 	return (
-		<div className="relative flex flex-col items-center">
-			<h2 className="mb-4 text-center text-4xl">Event Managment</h2>
-
-			<Table
-				aria-label="Table with all the events"
-				shadow="none"
-				topContent={topContent}
-				topContentPlacement="outside"
-				isHeaderSticky
-				sortDescriptor={events.sortDescriptor}
-				onSortChange={events.sort}
-				classNames={{
-					wrapper: "bg-accent-4",
-					tr: "even:bg-accent-5 ",
-					th: "font-subheadline text-xl text-accent-1 bg-transparent ",
-					thead: "[&>tr]:first:!shadow-border",
-				}}
-				className="w-fit"
-			>
-				<TableHeader columns={headers.items}>
-					{(task) => (
-						<TableColumn
-							allowsSorting={task.key === "date"}
-							key={task.key}
-							className=""
-						>
-							{task.label}
-						</TableColumn>
-					)}
-				</TableHeader>
-				<TableBody items={events.items} emptyContent={"No events scheduled"}>
-					{(event) => (
-						<TableRow key={event.id}>
-							{(columnKey) => (
-								<TableCell>{getKeyValue(event, columnKey)}</TableCell>
-							)}
-						</TableRow>
-					)}
-				</TableBody>
-			</Table>
-
-			<AddEvent isOpen={showAddEvent} onOpenChange={setShowAddEvent} />
-
-			{activeEvent !== undefined ? (
-				<Modal
-					isOpen={showDeleteConfirm}
-					onOpenChange={setShowDeleteConfirm}
-					shadow={"none" as "sm"}
-					backdrop="blur"
-					className="bg-accent-5"
-				>
-					<ModalContent>
-						<ModalHeader>
-							<h1 className="text-2xl">Confirm event deletion</h1>
-						</ModalHeader>
-						<ModalBody>
-							The event{" "}
-							<span className="font-numbers text-accent-1">
-								<LocalDate options={{ dateStyle: "long", timeStyle: "short" }}>
-									{activeEvent.date}
-								</LocalDate>
-							</span>{" "}
-							will be deleted.
-						</ModalBody>
-						<ModalFooter>
-							<Button startContent={<TrashCan />} color="danger">
-								Delete event
-							</Button>
-							<Button
-								variant="bordered"
-								onPress={() => setShowDeleteConfirm(false)}
-							>
-								Cancel
-							</Button>
-						</ModalFooter>
-					</ModalContent>
-				</Modal>
-			) : null}
+		<div className="flex flex-col items-center">
+			<Tabs color="primary">
+				<Tab title="Users">
+					<Users />
+				</Tab>
+				<Tab title="Tasks">Tasks</Tab>
+				<Tab title="Availabilities">Availabilities</Tab>
+			</Tabs>
 		</div>
 	);
 }

client/src/app/assignments/page.tsx

@@ -0,0 +1,299 @@
+"use client";
+
+import AddEvent from "@/components/Event/AddEvent";
+import LocalDate from "@/components/LocalDate";
+import { apiCall } from "@/lib";
+import { Availability, EventData, getTasks, Task } from "@/Zustand";
+import { Add, Copy, Edit, TrashCan } from "@carbon/icons-react";
+import {
+	Button,
+	ButtonGroup,
+	Modal,
+	ModalBody,
+	ModalContent,
+	ModalFooter,
+	ModalHeader,
+	Select,
+	SelectItem,
+	Table,
+	TableBody,
+	TableCell,
+	TableColumn,
+	TableHeader,
+	TableRow,
+	Tooltip,
+} from "@nextui-org/react";
+import { useAsyncList } from "@react-stately/data";
+import React, { Key, useState } from "react";
+
+type EventWithAvailabilities = EventData & { availabilities: string[] };
+
+function availability2Tailwind(availability?: Availability) {
+	switch (availability) {
+		case "yes":
+			return "";
+		default:
+			return "italic";
+	}
+}
+
+function availability2Color(availability?: Availability) {
+	switch (availability) {
+		case "yes":
+			return "default";
+		case "maybe":
+			return "warning";
+		default:
+			return "danger";
+	}
+}
+
+export default function AdminPanel() {
+	// get the available tasks and craft them into the headers
+	const headers = useAsyncList({
+		async load() {
+			const tasks = await getTasks();
+
+			return {
+				items: [
+					{ key: "date", label: "Date" },
+					{ key: "description", label: "Description" },
+					...Object.values(tasks)
+						.filter((task) => !task.disabled)
+						.map((task) => ({ label: task.text, key: task.text })),
+					{ key: "actions", label: "Action" },
+				],
+			};
+		},
+	});
+
+	// get the individual events
+	const events = useAsyncList<EventWithAvailabilities>({
+		async load() {
+			const result = await apiCall<EventWithAvailabilities[]>(
+				"GET",
+				"events/availabilities",
+			);
+
+			if (result.ok) {
+				return { items: await result.json() };
+			} else {
+				return { items: [] };
+			}
+		},
+		async sort({ items, sortDescriptor }) {
+			return {
+				items: items.sort((a, b) => {
+					let cmp = 0;
+
+					// if it is the date-column, convert to a date
+					if (sortDescriptor.column === "date") {
+						const first = a[sortDescriptor.column];
+						const second = b[sortDescriptor.column];
+
+						cmp = first < second ? -1 : 1;
+					}
+
+					if (sortDescriptor.direction === "descending") {
+						cmp *= -1;
+					}
+
+					return cmp;
+				}),
+			};
+		},
+	});
+
+	// send a delete request to the backend and close the popup on success
+	async function deleteEvent(eventId: number) {
+		const result = await apiCall("DELETE", "event", { id: eventId });
+
+		if (result.ok) {
+			// store the received events
+			events.reload();
+
+			setShowDeleteConfirm(false);
+		}
+	}
+
+	function getKeyValue(
+		event: EventWithAvailabilities,
+		key: Key,
+	): React.ReactNode {
+		switch (key) {
+			case "date":
+				return (
+					<LocalDate
+						options={{ dateStyle: "medium", timeStyle: "short" }}
+						className="font-bold"
+					>
+						{event[key]}
+					</LocalDate>
+				);
+			case "description":
+				return <span className="italic">{event[key]}</span>;
+			case "actions":
+				return (
+					<div className="flex justify-end">
+						<ButtonGroup isIconOnly variant="light" size="sm">
+							<Button>
+								<Tooltip content="Edit event">
+									<Edit />
+								</Tooltip>
+							</Button>
+							<Button>
+								<Tooltip content="Duplicate event">
+									<Copy />
+								</Tooltip>
+							</Button>
+							<Button
+								color="danger"
+								onPress={() => {
+									setActiveEvent(event);
+									setShowDeleteConfirm(true);
+								}}
+							>
+								<Tooltip content="Delete event">
+									<TrashCan />
+								</Tooltip>
+							</Button>
+						</ButtonGroup>
+					</div>
+				);
+			default:
+				// only show the selector, if the task is needed for the event
+				if (Object.keys(event.tasks).includes(key as string)) {
+					return (
+						<Select
+							variant="underlined"
+							fullWidth
+							selectedKeys={new Set([event.tasks[key as Task] ?? ""])}
+							classNames={{
+								popoverContent: "w-fit",
+								value: "mr-6",
+								label: "mr-6",
+							}}
+							className="[&_*]:overflow-visible"
+						>
+							{Object.entries(event.availabilities).map(
+								([volunteer, availability]) => (
+									<SelectItem
+										key={volunteer}
+										// color={availability2Color(availability)}
+										className={[
+											// "text-" + availability2Color(availability),
+											// availability2Tailwind(availability),
+										].join(" ")}
+									>
+										{volunteer} ({availability})
+									</SelectItem>
+								),
+							)}
+						</Select>
+					);
+				}
+		}
+	}
+
+	const [showAddEvent, setShowAddEvent] = useState(false);
+	const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
+	const [activeEvent, setActiveEvent] = useState<EventData | undefined>();
+
+	const topContent = (
+		<div>
+			<Button
+				color="primary"
+				startContent={<Add size={32} />}
+				onPress={() => setShowAddEvent(true)}
+			>
+				Add
+			</Button>
+		</div>
+	);
+
+	return (
+		<div className="relative flex flex-col items-center">
+			<h2 className="mb-4 text-center text-4xl">Event Managment</h2>
+
+			<Table
+				aria-label="Table with all the events"
+				shadow="none"
+				topContent={topContent}
+				topContentPlacement="outside"
+				isHeaderSticky
+				sortDescriptor={events.sortDescriptor}
+				onSortChange={events.sort}
+				classNames={{
+					wrapper: "bg-accent-4",
+					tr: "even:bg-accent-5 ",
+					th: "font-subheadline text-xl text-accent-1 bg-transparent ",
+					thead: "[&>tr]:first:!shadow-border",
+				}}
+				className="w-fit"
+			>
+				<TableHeader columns={headers.items}>
+					{(task) => (
+						<TableColumn
+							allowsSorting={task.key === "date"}
+							key={task.key}
+							className=""
+						>
+							{task.label}
+						</TableColumn>
+					)}
+				</TableHeader>
+				<TableBody items={events.items} emptyContent={"No events scheduled"}>
+					{(event) => (
+						<TableRow key={event.id}>
+							{(columnKey) => (
+								<TableCell>{getKeyValue(event, columnKey)}</TableCell>
+							)}
+						</TableRow>
+					)}
+				</TableBody>
+			</Table>
+
+			<AddEvent isOpen={showAddEvent} onOpenChange={setShowAddEvent} />
+
+			{activeEvent !== undefined ? (
+				<Modal
+					isOpen={showDeleteConfirm}
+					onOpenChange={setShowDeleteConfirm}
+					shadow={"none" as "sm"}
+					backdrop="blur"
+					className="bg-accent-5"
+				>
+					<ModalContent>
+						<ModalHeader>
+							<h1 className="text-2xl">Confirm event deletion</h1>
+						</ModalHeader>
+						<ModalBody>
+							The event{" "}
+							<span className="font-numbers text-accent-1">
+								<LocalDate options={{ dateStyle: "long", timeStyle: "short" }}>
+									{activeEvent.date}
+								</LocalDate>
+							</span>{" "}
+							will be deleted.
+						</ModalBody>
+						<ModalFooter>
+							<Button
+								startContent={<TrashCan />}
+								color="danger"
+								onPress={() => deleteEvent(activeEvent.id)}
+							>
+								Delete event
+							</Button>
+							<Button
+								variant="bordered"
+								onPress={() => setShowDeleteConfirm(false)}
+							>
+								Cancel
+							</Button>
+						</ModalFooter>
+					</ModalContent>
+				</Modal>
+			) : null}
+		</div>
+	);
+}

client/src/app/layout.tsx

@@ -34,6 +34,7 @@ export default function RootLayout({
 		{
 			text: "Assignments",
 			href: "/assignments",
+			admin: true,
 		},
 		{
 			text: "Admin",

client/src/app/login/page.tsx

@@ -27,6 +27,9 @@ export default function Login() {
 			// add the user-info to the zustand
 			zustand.getState().reset({ user: await result.json() });
 
+			// retrieve the notifications
+			await zustand.getState().getPendingEvents();
+
 			// redirect to the home-page
 			router.push("/");
 		} else {

client/src/components/LocalDate.tsx

@@ -1,6 +1,6 @@
 "use local";
 
-import { DateFormatter } from "@/Zustand";
+import { DateFormatter } from "@/lib";
 import { getLocalTimeZone, parseDateTime } from "@internationalized/date";
 import { useLocale } from "@react-aria/i18n";
 

client/src/lib.ts

@@ -1,3 +1,5 @@
+import { DateFormatter as IntlDateFormatter } from "@internationalized/date";
+
 type QueryParams = Record<string, string | { toString(): string }>;
 
 export type APICallResult<T extends object> = Response & {
@@ -66,3 +68,15 @@ export function classNames(classNames: Record<string, boolean>): string {
 		})
 		.join(" ");
 }
+
+export class DateFormatter {
+	private formatter;
+
+	constructor(locale: string, options?: Intl.DateTimeFormatOptions) {
+		this.formatter = new IntlDateFormatter(locale, options);
+	}
+
+	format(dt: Date) {
+		return this.formatter.format(dt);
+	}
+}