Added user administration

src/lib/permissions.config.json

@@ -6,7 +6,7 @@
 				"position": 0,
 				"name": "Anzeigen"
 			},
-			"ADD": {
+			"CREATE": {
 				"position": 1,
 				"name": "Anlegen"
 			},
@@ -25,7 +25,7 @@
 		},
 		"meta_permissions": {
 			"MANAGE": {
-				"permissions": ["VIEW", "ADD", "DELETE", "EDIT"],
+				"permissions": ["VIEW", "CREATE", "DELETE", "EDIT"],
 				"name": "Verwalten"
 			}
 		}

src/lib/server/database.ts

@@ -15,17 +15,40 @@ const CHECK_QUERY: string =
 const USER_DATABASE_SETUP: string[] = [
 	"PRAGMA foreign_keys = ON;",
 
+	"CREATE TABLE meta (key TEXT PRIMARY KEY NOT NULL, value NUMBER);",
+	"INSERT INTO meta(key, value) VALUES ('triggerActive', 1);",
+
 	`CREATE TABLE IF NOT EXISTS users (
 		id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, 
 		name TEXT,
 		gender TEXT,
 		address TEXT,
-		username TEXT,
+		username TEXT UNIQUE,
 		password TEXT,
 		permissions INTEGER DEFAULT 0,
 		created DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL
 	);`,
 
+	`CREATE TABLE IF NOT EXISTS users_history (
+		id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, 
+		user_id INTEGER,
+		name TEXT,
+		gender TEXT,
+		address TEXT,
+		username TEXT,
+		permissions INTEGER DEFAULT 0,
+		created DATETIME NOT NULL,
+		deleted DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL,
+		FOREIGN KEY (user_id) REFERENCES users(id)
+	);`,
+	
+	`CREATE TRIGGER user_delete_history
+		BEFORE DELETE ON users
+		WHEN (SELECT value FROM meta WHERE key = 'triggerActive') = 1
+	BEGIN
+		INSERT INTO users_history(user_id, name, gender, address, username, permissions, created) VALUES (OLD.id, OLD.name, OLD.gender, OLD.address, OLD.username, OLD.permissions, OLD.created);
+	END;`,
+
 	`CREATE TABLE refresh_tokens (
 		id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
 		user_id INTEGER NOT NULL,
@@ -65,6 +88,9 @@ const USER_DATABASE_EMPTY: string =
 const USER_DATABASE_UPDATE_PASSWORD: string = 
 	"UPDATE users SET password=$password WHERE id=$id;"
 
+const USER_DATABASE_REMOVE_USER: string = 
+	"DELETE FROM users WHERE id = $id;"
+
 /*const USER_DATABASE_ADD_ACCESS_TOKEN: string = 
 	"INSERT INTO access_tokens (user_id, token, expiry_date) VALUES ($user_id, $token, $expiry_date);"
 
@@ -75,7 +101,7 @@ const ENTRY_DATABASE_SETUP: string[] = [
 	"PRAGMA foreign_keys = ON;",
 
 	"CREATE TABLE meta (key TEXT PRIMARY KEY NOT NULL, value NUMBER);",
-	"INSERT INTO meta(key, value) VALUES ('triggerActive', 1)",
+	"INSERT INTO meta(key, value) VALUES ('triggerActive', 1);",
 
 	`CREATE TABLE records (
 		id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
@@ -83,7 +109,8 @@ const ENTRY_DATABASE_SETUP: string[] = [
 		start VARCHAR(5), 
 		end VARCHAR(5), 
 		comment TEXT, 
-		created DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL 
+		created DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL,
+		UNIQUE (date, start, end)
 	);`,
 
 	`CREATE TABLE records_history (
@@ -170,6 +197,12 @@ const ENTRY_DATABASE_EDIT_ENTRY: string =
 const ENTRY_DATABASE_REMOVE_ENTRY: string = 
 	"DELETE FROM records WHERE id = $id;";
 
+const ENTRY_DATABASE_EXPORT: string = 
+	"SELECT date, start, end, comment FROM records;"
+
+const ENTRY_DATABASE_IMPORT: string = 
+	"INSERT OR IGNORE INTO records(date, start, end, comment) VALUES ($date, $start, $end, $comment);"
+
 const ESTIMATES_DATABASE_GET_ALL: string =
 	"SELECT * FROM estimates ORDER BY year DESC, quarter DESC;"
 
@@ -182,6 +215,12 @@ const ESTIMATES_DATABASE_GET_QUART: string =
 const ESTIMATES_DATABASE_INSERT: string =
 	"INSERT INTO estimates(year, quarter, estimate_0, estimate_1, estimate_2) VALUES ($year, $quarter, $estimate_0, $estimate_1, $estimate_2);"
 
+const ESTIMATES_DATABASE_EXPORT: string = 
+	"SELECT year, quarter, estimate_0, estimate_1, estimate_2 FROM estimates;"
+
+const ESTIMATES_DATABASE_IMPORT: string =
+	"INSERT OR IGNORE INTO estimates(year, quarter, estimate_0, estimate_1, estimate_2) VALUES ($year, $quarter, $estimate_0, $estimate_1, $estimate_2);"
+
 export class User {
 	id: number;
 	gender: string;
@@ -219,9 +258,9 @@ export class User {
 		}
 	}
 
-	get_months(): { year: string, month: string }[] {
+	get_months(): { year: number, month: number }[] {
 		const query = this._database.query(ENTRY_DATABASE_GET_MONTHS);
-		const res = query.all();
+		const res = query.all() as { year: string, month: string }[];
 
 		const ret = res.map((v) => { return { year: toInt(v.year), month: toInt(v.month) }})
 
@@ -230,7 +269,7 @@ export class User {
 
 	get_quarters(): { year: number, quarter: number }[] {
 		const query = this._database.query(ESTIMATES_DATABASE_GET_QUARTERS)
-		const res = query.all();
+		const res = query.all() as { year: number, quarter: number }[];
 
 		return res;
 	}
@@ -256,14 +295,14 @@ export class User {
 		}
 
 		const query = this._database.query(ENTRY_DATABASE_GET_ENTRIES_IN_MONTH);
-		const res = query.all({ year: year.toString(), month: month.toString().padStart(2, '0') });
+		const res = query.all({ year: year.toString(), month: month.toString().padStart(2, '0') }) as RecordEntry[];
 
 		return res;
 	}
 
 	get_entry(id: number): RecordEntry {
 		const query = this._database.query(ENTRY_DATABASE_GET_ENTRY_BY_ID);
-		const res = query.get({ id: id });
+		const res = query.get({ id: id }) as RecordEntry;
 
 		return res;
 	}
@@ -305,23 +344,23 @@ export class User {
 
 	get_estimates(): Array<EstimatesEntry> {
 		const query = this._database.query(ESTIMATES_DATABASE_GET_ALL);
-		const res = query.all();
+		const res = query.all() as EstimatesEntry[];
 
 		return res;
 	}
 	
 	get_estimate(year: number, quarter: number): EstimatesEntry {
 		const query = this._database.query(ESTIMATES_DATABASE_GET_QUART);
-		const res = query.get({ year: year, quarter: quarter });
+		const res = query.get({ year: year, quarter: quarter }) as EstimatesEntry;
 
 		return res;
 	}
 
 	get_estimate_by_month(year: number, month: number): number {
 		const query = this._database.query(ESTIMATES_DATABASE_GET_QUART);
-		const res = query.all({ year: year, quarter: Math.floor(month / 4 + 1) });
+		const res = query.get({ year: year, quarter: Math.floor(month / 4 + 1) }) as EstimatesEntry;
 
-		return res[0]?.[`estimate_${month % 3}`] ?? NaN;
+		return res?.[`estimate_${month % 3}`] ?? NaN;
 	}
 
 	insert_estimate(year: number, quarter: number, estimate_0: number, estimate_1: number, estimate_2: number) {
@@ -331,7 +370,6 @@ export class User {
 
 		const query = this._database.query(ESTIMATES_DATABASE_INSERT);
 		const res = query.run({ year: year, quarter: quarter, estimate_0: estimate_0, estimate_1: estimate_1, estimate_2: estimate_2 });
-		console.log(res)
 
 		return res.changes > 1;
 	}
@@ -352,18 +390,18 @@ function is_db_initialized(db: Database): boolean {
 			throw exception;
 		}
 
-		console.log(exception);
-
 		return false;
 	}
 }
 
-function get_user_db_name(user: UserEntry) {
+function get_user_db_name(user_id: number) {
-	return DATABASES_PATH + "user-" + user.id + ".sqlite"
+	return DATABASES_PATH + "user-" + user_id + ".sqlite"
 }
 
 function setup_db(db: Database, setup_queries: string[]) {
-   setup_queries.forEach((q) => { /*console.log(q);*/ db.query(q).run(); });
+	db.transaction(() => {
+		setup_queries.forEach((q) => { db.query(q).run(); });
+	})()
 }
 
 export async function init_db() {
@@ -384,23 +422,15 @@ export function close_db() {
 	}
 }
 
-export async function create_user(user: { name: string, gender: string, address: string, username: string, password: string }): Promise<boolean> {
+export async function create_user(user: { name: string, gender: string, address: string, username: string, password: string }): Promise<number | bigint> {
 	
 	user.password = await Bun.password.hash(user.password, { algorithm: "bcrypt", cost: 11});
 
-	try {
+	const statement = user_database.query(USER_DATABASE_ADD_USER);
-		const statement = user_database.query(USER_DATABASE_ADD_USER);
+	const result = statement.run(user);
-		const result = statement.run(user);
 
-		return result.changes == 1;
+	return result.lastInsertRowid;
-	} catch (e) {
-		console.log(e);
-		if (e instanceof SQLiteError) {
-			return false;
-		}
 
-		throw e;
-	}
 }
 export function get_all_user(): { id: number, username: string, name: string }[] {
 
@@ -440,8 +470,8 @@ export function get_user_by_name(username: string): User | null {
 
 		fs.mkdir(DATABASES_PATH, { recursive: true });
 		
-		let userdb = new Database(get_user_db_name(user), { create: true, strict: true });
+		let userdb = new Database(get_user_db_name(user.id), { create: true, strict: true });
-
+		
 		if (!is_db_initialized(userdb)) {
 			setup_db(userdb, ENTRY_DATABASE_SETUP);
 		}
@@ -485,3 +515,109 @@ export function update_user_password(user_id: number, password: string) {
 
 	return result.changes > 0
 }
+
+export function remove_user(user_id: number) {
+	const query = user_database.prepare(USER_DATABASE_REMOVE_USER)
+	const result = query.run({ id: user_id })
+
+	return result.changes > 0
+}
+
+
+type ExportEstimatesEntry = Pick<EstimatesEntry, Exclude<keyof EstimatesEntry, "id" | "created">>
+type ExportRecordsEntry = Pick<RecordEntry, Exclude<keyof RecordEntry, "id" | "created">>
+
+export async function export_user_data(user_id: number): Promise<string | null> {
+	const db_name = get_user_db_name(user_id)
+
+	if (!(await fs.exists(db_name))) {
+		return null
+	}
+	
+	const userdb = new Database(db_name, { create: false, strict: true });
+	
+	let user_data: { id: number } & Partial<{ estimates: Array<ExportEstimatesEntry>, records: Array<ExportRecordsEntry> }> = { id: user_id }
+
+	try {
+		user_data.estimates = userdb.query(ESTIMATES_DATABASE_EXPORT).all() as Array<ExportEstimatesEntry>
+	} catch (e) {
+		if (!(e instanceof SQLiteError)) {
+			throw e
+		}
+	}
+
+	try {
+		user_data.records = userdb.query(ENTRY_DATABASE_EXPORT).all() as Array<ExportRecordsEntry>
+	} catch (e) {
+		if (!(e instanceof SQLiteError)) {
+			throw e
+		}
+	}
+
+	return JSON.stringify(user_data)
+}
+
+export async function import_user_data(data: Partial<{ id: number, estimates: Array<unknown>, records: Array<unknown> }>) {
+	
+	// null or unknown ar of type object
+	if (!data.id || !(typeof data.id === "number")) {
+		throw new Error("Invalid JSON: id")
+	}
+
+	if (data.estimates != null) {
+		
+		if (!(Array.isArray(data.estimates))) {
+			throw new Error("Invalid JSON: estimates")
+		}
+		if (!data.estimates.every((v: unknown): v is ExportEstimatesEntry => 
+								  typeof v === "object"
+								  && v != null
+								  && "year" in v
+								  && "quarter" in v
+								  && "estimate_0" in v
+								  && "estimate_1" in v
+								  && "estimate_2" in v
+								  && typeof v.year === "number"
+								  && typeof v.quarter === "number"
+								  && (typeof v.estimate_0 === "number" || v.estimate_0 == null)
+								  && (typeof v.estimate_1 === "number" || v.estimate_1 == null)
+								  && (typeof v.estimate_2 === "number" || v.estimate_2 == null))) {
+			throw new Error("Invalid JSON: estimates entry")
+		}
+	}
+
+	if (data.records != null) {
+
+		if (!(Array.isArray(data.records))) {
+			throw new Error("Invalid JSON: records")
+		}
+
+		if (!data.records.every((v: unknown): v is ExportRecordsEntry => 
+									typeof v === "object"
+									&& v != null
+									&& "date" in v
+									&& "start" in v
+									&& "end" in v
+									&& "comment" in v
+									&& typeof v.date === "string"
+									&& typeof v.start === "string"
+									&& typeof v.end === "string"
+									&& typeof v.comment === "string")) {
+			throw new Error("Invalid JSON: records entry")
+		}
+	}
+
+	const user_database_name = get_user_db_name(data.id)
+	const user_database = new Database(user_database_name, { strict: true })
+
+	user_database.transaction((records: Array<ExportRecordsEntry> | null, estimates: Array<ExportEstimatesEntry> | null) => {
+		if (records != null) {
+			const query = user_database.prepare(ENTRY_DATABASE_IMPORT)
+			for (const record of records) { query.run(record) }
+		}
+		if (estimates != null) {
+			const query = user_database.prepare(ESTIMATES_DATABASE_IMPORT)
+			for (const estimate of estimates) { query.run(estimate) }
+		}
+	})(data.records, data.estimates)
+}

src/routes/user/+page.server.ts

@@ -2,6 +2,7 @@ import type { PageServerLoad, Actions } from "./$types"
 
 import type { UserEntry } from "$lib/db_types"
 
+import { SQLiteError } from "bun:sqlite"
 import { fail, redirect } from "@sveltejs/kit"
 
 import Permissions from "$lib/permissions"
@@ -9,7 +10,7 @@ import { toInt } from "$lib/util"
 
 import Logs from "$lib/server/log"
 import SessionStore from "$lib/server/session_store"
-import { get_user_entry_by_id, updateUser } from "$lib/server/database"
+import { get_user_entry_by_id, updateUser, import_user_data, create_user, remove_user } from "$lib/server/database"
 import { change_password } from "$lib/server/auth"
 
 export const load: PageServerLoad = ({ locals, url }) => {
@@ -20,7 +21,15 @@ export const load: PageServerLoad = ({ locals, url }) => {
 
 	let user: UserEntry|null = locals.user.toUserEntry()
 
-	if (locals.user.id != (toInt(url.searchParams.get("user") ?? locals.user.id.toFixed(0)))) {
+	const target_user = url.searchParams.get("user") as string|null
+	
+	if (target_user == "new") {
+		return {
+			user: null
+		}
+	}
+
+	if (locals.user.id != (toInt(target_user ?? locals.user.id.toFixed(0)))) {
 		if (!Permissions.has(locals.user.permissions, Permissions.USERADMIN.VIEW)) {
 			return fail(403, { message: "Insufficient Permissions" })
 		}
@@ -58,7 +67,7 @@ export const actions = {
 
 		const data = await request.formData();
 	
-		const id = toInt((data.get("id") as string|null) ?? "NaN")
+		const id = data.get("id") == "new" ? -1 : toInt((data.get("id") as string|null) ?? "NaN")
 		const name = data.get("name") as string|null
 		const gender = data.get("gender") as string|null
 		const address = data.get("address") as string|null
@@ -73,6 +82,39 @@ export const actions = {
 			return fail(400, { message: "invalid request" })
 		}
 
+		if (id == -1) {
+			if (!Permissions.has(locals.user.permissions, Permissions.USERADMIN.CREATE)) {
+				return fail(403, { message: "Keine Berechtigung" })
+			}
+
+			if (username.length == 0) {
+				return fail(400, { message: "Benutzername muss angegeben werden" })
+			}
+
+			if (password1 == null || password2 == null || password1.length == 0 || password2.length == 0) {
+				return fail(400, { message: "Passwort muss für einen neuen Benutzer angegeben werden" })
+			}
+
+			if (password1 != password2) {
+				return fail(400, { message: "Passwörter müssen übereinstimmen" })
+			}
+
+			let new_user: number | bigint = -1
+			try {
+				new_user = await create_user({ name, gender, address, username, password: password1 })
+			} catch (e) {
+				if (e instanceof SQLiteError && e.code == "SQLITE_CONSTRAINT_UNIQUE") {
+					return fail(400, { message: "Benutzername ist bereits vergeben" })
+				}
+				throw e
+			}
+			
+			if (new_user < 0) {
+				return fail(500, { message: "Interner Fehler" })
+			}
+			return redirect(303, `/user?user=${new_user}`)
+		}
+
 		if (locals.user.id != id 
 			&& (!Permissions.has(locals.user.permissions, Permissions.USERADMIN.EDIT)
 			   || ((password1 != null || password2 != null) && !Permissions.has(locals.user.permissions, Permissions.USERADMIN.ADMIN)))) {
@@ -83,6 +125,7 @@ export const actions = {
 			if (password1 != password2) {
 				return fail(400, { message: "Passwörter müssen übereinstimmen" })
 			}
+
 			const result = change_password(id, password1)
 			if (!result) {
 				return fail(500, { message: "Database failure"})
@@ -103,5 +146,86 @@ export const actions = {
 
 		return { message: "Erfolgreich gespeichert" }
 
+	},
+	import: async ({ locals, request }) => {
+		
+		if (!locals.user) {
+			return fail(401, { message: "Unauthorized User" })
+		}
+
+		const data = await request.formData()
+
+		const id = toInt(data.get("id") as string|null ?? "")
+		const file = data.get("file")
+
+		if (isNaN(id)) {
+			return fail(400, { message: "Invalid id" })
+		}
+		if (!file || typeof file === "string") {
+			return fail(400, { message: "Invalid file" })
+		}
+		
+
+		let import_data
+
+		try {
+			import_data = await file.json()
+		} catch (e) {
+			if (e instanceof SyntaxError) {
+				console.log(e)
+				return fail(400, { message: "Uploaded file is erronous" })
+			}
+			throw e
+		}
+		
+		if (!import_data.id || import_data.id != id) {
+			return fail(400, { message: "Datei für falschen Benutzer hochgeladen" })
+		}
+
+		if (locals.user.id != id) {
+			if (!Permissions.has(locals.user.permissions, Permissions.USERADMIN.ADMIN)) {
+				Logs.user.warn(`User ${locals.user.id} tried to import data for user ${id} without sufficient permissions`)
+				return fail(403, { message: "Unzureichend Berechtigung" })
+			}
+		}
+		
+		try {
+			import_user_data(import_data)
+		} catch (e) {
+			Logs.user.error(`Failed to import data for user ${id} by user ${locals.user.id}: ${(e as Error).message}`)
+			return fail(500, { message: "Import fehlgeschlagen" })
+		}
+		
+		return { message: "Import abgeschlossen"}
+	},
+	delete: async ({ locals, request }) => {
+
+		if (!locals.user) {
+			return fail(401, { message: "Unauthorized User" })
+		}
+
+		const data = await request.formData()
+
+		const user_id = toInt((data.get("user") as string|null) ?? "NaN")
+		
+		if (isNaN(user_id)) {
+			return fail(400, { message: "Bad request" })
+		}
+
+		if (!Permissions.has(locals.user.permissions, Permissions.USERADMIN.DELETE)) {
+			Logs.user.warn(`User ${locals.user.id} tried to delete user ${id} without sufficient permissions`)
+			return fail(403, { message: "Unzureichend Berechtigung" })
+		}
+
+		const result = remove_user(user_id)
+		if (!result) {
+			return fail(500, { message: "Fehler beim Löschen" })
+		}
+		
+		if (Permissions.has(locals.user.permissions, Permissions.USERADMIN.VIEW)) {
+			return redirect(303, "/useradmin")
+		}
+
+		return { message: "Erfolgreich gelöscht" }
 	}
 } satisfies Actions

src/routes/user/+page.svelte

@@ -7,13 +7,26 @@
 	import Permissions from "$lib/permissions"
 
 	const { data, form }: PageProps = $props()
+	
+	let file_upload: HTMLButtonElement
+	$effect(() => {
+		file_upload.disabled = true
+	})
+	
 
 </script>
 
+<form method="GET" id="form_export" action={`/user/export?${page.url.searchParams.toString()}`} ></form>
+<form method="POST" id="form_import" action="?/import" enctype="multipart/form-data"><input type="hidden" name="id" value={data.user?.id ?? "new"} /></form>
+<form method="POST" id="form_delete" action="?/delete" onsubmit={(event) => {
+	if (!confirm(`Sicher ${data.user?.name} zu löschen?`)) {
+		event.preventDefault()
+	}}}></form>
+
 <form method="POST" id="form_edit" action={`?/edit&${page.url.searchParams.toString()}`} use:enhance={() => {
 	return async ({update}) => { update({ reset: false }) }
 }}>
-<input type="hidden" name="id" value={data.user.id} />
+<input type="hidden" name="id" value={data.user?.id ?? "new"} />
 
 <div class="root">
 	
@@ -32,7 +45,7 @@
 		<tbody>
 			<tr>
 				<td>Name</td>
-				<td><input type="text" name="name" value={data.user.name} /></td>
+				<td><input type="text" name="name" value={data.user?.name} /></td>
 			</tr>
 			<tr>
 				<td>Geschlecht</td>
@@ -43,7 +56,7 @@
 			</tr>
 			<tr>
 				<td>Addresse</td>
-				<td><input type="text" name="address" value={data.user.address} /></td>
+				<td><input type="text" name="address" value={data.user?.address} /></td>
 			</tr>
 		</tbody>
 	</table>
@@ -60,7 +73,7 @@
 		<tbody>
 			<tr>
 				<td>Benutzername</td>
-				<td colspan="2"><input type="text" name="username" value={data.user.username} /></td>
+				<td colspan="2"><input type="text" name="username" value={data.user?.username} /></td>
 			</tr>
 			<tr>
 				<td>Passwort ändern</td>
@@ -94,7 +107,7 @@
 											type="checkbox" 
 											name="USERADMIN" 
 											value={permission.value}
-											checked={Permissions.has(data.user.permissions, permission.value)} 
+											checked={Permissions.has(data.user?.permissions ?? 0, permission.value)} 
 											disabled={disabled}
 											data-bits={Permissions.deconstruct(permission.value).join(" ")} 
 											onclick={(event) => {
@@ -131,8 +144,6 @@
 											}
 										}
 
-
-
 									}} />
 									{permission.name}
 								</label>	
@@ -145,8 +156,37 @@
 	{/if}
 
 
-	<button type="submit">Speichern</button>
+	<button class="save-button" type="submit">{data.user ? "Speichern" : "Anlegen"}</button>
 
+	<table>
+		<colgroup>
+			<col class="leader2" />
+			<col class="form2 center-button" />
+		</colgroup>
+
+		<thead>
+			<tr><th colspan="2">Daten</th></tr>
+		</thead>
+		
+		<tbody>
+			<tr>
+				<td>Exportieren:</td>
+				<td><button type="submit" form="form_export">Download</button></td>
+			</tr>
+			<tr>
+				<td rowspan="2">Importieren:</td>
+				<td><input type="file" form="form_import" name="file" accept="application/json" onchange={
+					(event) => {file_upload.disabled = ((event.target as HTMLInputElement).files?.length == 0)}} required/></td>
+			</tr>
+			<tr>
+				<td><button type="submit" form="form_import" bind:this={file_upload} >Hochladen</button></td>
+			</tr>
+		</tbody>
+	</table>
+
+	{#if data.user}
+		<button class="delete_button" form="form_delete" name="user" value={data.user?.id}>Löschen</button>
+	{/if}
 </div>
 
 </form>
@@ -198,9 +238,28 @@ label:has(input[type="checkbox"][disabled]) {
 	color: gray;
 }
 
-button {
+.save-button {
 	width: 15%;
 	margin-left: 85%;
 }
 
+table td:has(button) {
+	text-align: center;
+}
+table button {
+	width: 75%;
+}
+
+input[type="file"] {
+	width: 100%;
+	padding: 5px;
+	padding-left: 10px;
+	border: 1px dotted lightblue;
+	text-align: center;
+}
+
+.delete_button {
+	margin-top: 50px;
+	float: right;
+}
 </style>

src/routes/user/export/+server.ts

@@ -0,0 +1,41 @@
+import type { RequestHandler } from "./$types.d"
+
+import { json, error } from "@sveltejs/kit"
+
+import Logs from "$lib/server/log"
+import { get_user_entry_by_id, export_user_data } from "$lib/server/database"
+
+import Permissions from "$lib/permissions"
+import { toInt } from "$lib/util"
+
+export const GET: RequestHandler = async ({ locals, url }) => {
+	if (locals.user == null) {
+		return error(401, { message: "Unauthorized user" })
+	}
+
+	let user_id = locals.user.id
+	const user_id_param = toInt(url.searchParams.get("user") ?? "")
+
+	if (!isNaN(user_id_param) && user_id != user_id_param) {
+		if (!Permissions.has(locals.user.permissions, Permissions.USERADMIN.ADMIN)) {
+			Logs.user.warn(`User ${locals.user.id} tried to export records for user ${url.searchParams.get("user")} without sufficient permissions`)
+			return error(403, { message: "Insufficient permissions" })
+		}
+
+		const new_user = get_user_entry_by_id(user_id_param)
+		if (new_user == null) {
+			return error(400, { message: "invalid user" })
+		}
+
+		user_id = new_user.id
+	}
+
+	Logs.user.info(`User ${locals.user.id} exported userdata for user ${user_id}`)
+	
+	const data = await export_user_data(user_id)
+	return new Response(data, { 
+		headers: {
+			'Content-Type': 'application/json',
+			'Content-Disposition': `attachment; filename=Export-${locals.user.username}-${(new Date()).toJSON()}.json`
+		}})
+}

src/routes/useradmin/+page.svelte

@@ -3,13 +3,14 @@
 	import type { PageProps } from "./$types"
 	import { enhance } from "$app/forms";
 
-	const { data }: PageProps = $props();
+	import Permissions from "$lib/permissions"
 
-	console.log(data)
+	const { data }: PageProps = $props();
 
 </script>
 
 <form method="GET" id="form_manage_user" action="user"></form>
+<form method="GET" id="form_add_user" action="user"></form>
 
 <div>
 	<h1>Benutzerverwaltung</h1>
@@ -20,6 +21,9 @@
 		{/each}
 	</select>
 	<button type="submit" form="form_manage_user">Edit</button>
+	{#if Permissions.has(data.loggedInAs.permissions, Permissions.USERADMIN.CREATE)}
+		<button type="submit" form="form_add_user" name="user" value="new">Add</button>
+	{/if}
 </div>
 
 <style>