From 9be57c10047d8917918ffd2ad561854e02ce4f0d Mon Sep 17 00:00:00 2001
From: bytedream <bytedream@protonmail.com>
Date: Sat, 30 Sep 2023 15:15:38 +0200
Subject: [PATCH] add generic components for table sorting

---
 src/lib/components/Table/SortableTh.svelte | 35 +++++++++
 src/lib/components/Table/SortableTr.svelte | 12 +++
 src/routes/admin/users/+page.svelte        | 89 +++++++---------------
 3 files changed, 73 insertions(+), 63 deletions(-)
 create mode 100644 src/lib/components/Table/SortableTh.svelte
 create mode 100644 src/lib/components/Table/SortableTr.svelte

diff --git a/src/lib/components/Table/SortableTh.svelte b/src/lib/components/Table/SortableTh.svelte
new file mode 100644
index 0000000..a75b918
--- /dev/null
+++ b/src/lib/components/Table/SortableTh.svelte
@@ -0,0 +1,35 @@
+<script lang="ts">
+	import { createEventDispatcher, getContext, onDestroy } from 'svelte';
+	import type { Writable } from 'svelte/store';
+	import { IconSolid } from 'svelte-heros-v2';
+
+	let id = crypto.randomUUID();
+	let asc = false;
+	let { ascHeader } = getContext('sortableTr') as { ascHeader: Writable<null | string> };
+	ascHeader.subscribe((v) => {
+		if (v !== id) asc = false;
+	});
+
+	let dispatch = createEventDispatcher();
+
+	onDestroy(() => {
+		if ($ascHeader === id) $ascHeader = null;
+	});
+</script>
+
+<th>
+	<button
+		class="flex flex-center"
+		on:click={() => {
+			dispatch('sort', { asc: (asc = !asc) });
+			$ascHeader = id;
+		}}
+	>
+		<span class="mr-1"><slot /></span>
+		<IconSolid
+			name={$ascHeader === id && asc ? 'chevron-up-solid' : 'chevron-down-solid'}
+			width="12"
+			height="12"
+		/>
+	</button>
+</th>
diff --git a/src/lib/components/Table/SortableTr.svelte b/src/lib/components/Table/SortableTr.svelte
new file mode 100644
index 0000000..ae74f1d
--- /dev/null
+++ b/src/lib/components/Table/SortableTr.svelte
@@ -0,0 +1,12 @@
+<script lang="ts">
+	import { setContext } from 'svelte';
+	import { writable } from 'svelte/store';
+
+	setContext('sortableTr', {
+		ascHeader: writable(null)
+	});
+</script>
+
+<tr {...$$restProps}>
+	<slot />
+</tr>
diff --git a/src/routes/admin/users/+page.svelte b/src/routes/admin/users/+page.svelte
index 83392f7..2188b59 100644
--- a/src/routes/admin/users/+page.svelte
+++ b/src/routes/admin/users/+page.svelte
@@ -1,6 +1,6 @@
 <script lang="ts">
 	import type { PageData } from './$types';
-	import { IconOutline, IconSolid } from 'svelte-heros-v2';
+	import { IconOutline } from 'svelte-heros-v2';
 	import Input from '$lib/components/Input/Input.svelte';
 	import Select from '$lib/components/Input/Select.svelte';
 	import { env } from '$env/dynamic/public';
@@ -8,41 +8,11 @@
 	import { buttonTriggeredRequest } from '$lib/components/utils';
 	import { browser } from '$app/environment';
 	import HeaderBar from './HeaderBar.svelte';
+	import SortableTr from '$lib/components/Table/SortableTr.svelte';
+	import SortableTh from '$lib/components/Table/SortableTh.svelte';
 
 	export let data: PageData;
 
-	let headers = [
-		{
-			name: 'Vorname',
-			key: 'firstname',
-			asc: false
-		},
-		{
-			name: 'Nachname',
-			key: 'lastname',
-			asc: false
-		},
-		{ name: 'Geburtstag', key: 'birthday', asc: false, sort: (a, b) => a.birthday - b.birthday },
-		{ name: 'Telefon', key: 'telephone', asc: false, sort: (a, b) => a.telephone - b.telephone },
-		{
-			name: 'Username',
-			key: 'username',
-			asc: false
-		},
-		{
-			name: 'Minecraft Edition',
-			key: 'playertype',
-			asc: false
-		},
-		{
-			name: 'Passwort',
-			key: 'password',
-			asc: false
-		},
-		{ name: 'UUID', key: 'uuid', asc: false }
-	];
-	let ascHeader: (typeof headers)[0] | null = null;
-
 	let currentPageUsers: (typeof User.prototype.dataValues)[] = [];
 	let currentPageUsersRequest: Promise<void> = new Promise((resolve) => resolve());
 	let usersPerPage = 50;
@@ -70,12 +40,19 @@
 		});
 	}
 
-	async function sortUsers(key: string, reverse: boolean) {
-		const multiplyValue = reverse ? -1 : 1;
+	$: fetchPageUsers(userPage, userFilter);
 
-		currentPageUsers.sort((entryA, entryB) => {
-			const a = entryA[key];
-			const b = entryB[key];
+	let sortKey: string | null = null;
+	let sortAsc = false;
+	$: if (sortKey != null)
+		currentPageUsers = currentPageUsers.sort((entryA, entryB) => {
+			const multiplyValue = sortAsc ? -1 : 1;
+			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+			// @ts-ignore
+			const a = entryA[sortKey];
+			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+			// @ts-ignore
+			const b = entryB[sortKey];
 
 			switch (typeof a) {
 				case 'number':
@@ -86,10 +63,6 @@
 					return (a - b) * multiplyValue;
 			}
 		});
-		currentPageUsers = currentPageUsers;
-	}
-
-	$: fetchPageUsers(userPage, userFilter);
 
 	async function updateUser(user: typeof User.prototype.dataValues) {
 		const response = await fetch(`${env.PUBLIC_BASE_PATH}/admin/users`, {
@@ -126,29 +99,19 @@
 	<div class="h-full overflow-scroll" bind:this={userTableContainerElement}>
 		<table class="table table-auto">
 			<thead>
-				<tr class="[&>th]:bg-base-100 [&>th]:z-[1] [&>th]:sticky [&>th]:top-0">
+				<!-- prettier-ignore -->
+				<SortableTr class="[&>th]:bg-base-100 [&>th]:z-[1] [&>th]:sticky [&>th]:top-0">
 					<th />
-					{#each headers as header}
-						<th>
-							<button
-								class="flex items-center"
-								on:click={() => {
-									sortUsers(header.key, (ascHeader = ascHeader == header ? null : header));
-								}}
-							>
-								{header.name}
-								<span class="ml-1">
-									<IconSolid
-										name={ascHeader === header ? 'chevron-up-solid' : 'chevron-down-solid'}
-										width="12"
-										height="12"
-									/>
-								</span>
-							</button>
-						</th>
-					{/each}
+					<SortableTh on:sort={(e) => { sortKey = 'firstname'; sortAsc = e.detail.asc }}>Vorname</SortableTh>
+					<SortableTh on:sort={(e) => { sortKey = 'lastname'; sortAsc = e.detail.asc }}>Nachname</SortableTh>
+					<SortableTh on:sort={(e) => { sortKey = 'birthday'; sortAsc = e.detail.asc }}>Geburtstag</SortableTh>
+					<SortableTh on:sort={(e) => { sortKey = 'telephone'; sortAsc = e.detail.asc }}>Telefon</SortableTh>
+					<SortableTh on:sort={(e) => { sortKey = 'username'; sortAsc = e.detail.asc }}>Username</SortableTh>
+					<SortableTh on:sort={(e) => { sortKey = 'playertype'; sortAsc = e.detail.asc }}>Minecraft Edition</SortableTh>
+					<SortableTh on:sort={(e) => { sortKey = 'password'; sortAsc = e.detail.asc }}>Passwort</SortableTh>
+					<SortableTh on:sort={(e) => { sortKey = 'uuid'; sortAsc = e.detail.asc }}>UUID</SortableTh>
 					<th />
-				</tr>
+				</SortableTr>
 			</thead>
 			<tbody>
 				{#key currentPageUsersRequest}