From 53ca40079fe8ba5028deec0becd8a526ffc34f05 Mon Sep 17 00:00:00 2001
From: "Calum H. (IMB11)" <contact@cal.engineer>
Date: Mon, 18 May 2026 13:10:52 +0100
Subject: [PATCH] fix: ssr

---
 .../hosting/manage/[id]/instances/index.vue   | 188 +++++++++++++++++-
 1 file changed, 187 insertions(+), 1 deletion(-)

diff --git a/apps/frontend/src/pages/hosting/manage/[id]/instances/index.vue b/apps/frontend/src/pages/hosting/manage/[id]/instances/index.vue
index 4c34cae24b..ef42befd9a 100644
--- a/apps/frontend/src/pages/hosting/manage/[id]/instances/index.vue
+++ b/apps/frontend/src/pages/hosting/manage/[id]/instances/index.vue
@@ -1,13 +1,19 @@
 <script setup lang="ts">
+import type { Archon } from '@modrinth/api-client'
 import {
 	commonMessages,
 	defineMessages,
+	formatLoaderLabel,
+	injectModrinthClient,
 	injectModrinthServerContext,
 	ServersManageInstancesPage,
 	useVIntl,
 } from '@modrinth/ui'
+import { useQueryClient } from '@tanstack/vue-query'
 
-const { server } = injectModrinthServerContext()
+const client = injectModrinthClient()
+const { server, serverId, isServerRunning } = injectModrinthServerContext()
+const queryClient = useQueryClient()
 const { formatMessage } = useVIntl()
 
 const messages = defineMessages({
@@ -15,14 +21,194 @@ const messages = defineMessages({
 		id: 'servers.manage.instances.meta.title',
 		defaultMessage: 'Instances - {server} - Modrinth',
 	},
+	instanceSlotName: {
+		id: 'servers.manage.instances.slot-name',
+		defaultMessage: 'Instance #{index}',
+	},
 })
 
+type LinkedModpack = {
+	name: string
+	iconUrl: string | null
+	link: string | null
+}
+
+type WorldSlot =
+	| {
+			type: 'world'
+			id: string
+			name: string
+			active: boolean
+			gameVersion: string | null
+			loaderLabel: string | null
+			linkedModpack: LinkedModpack | null
+			installedContentCount: number | null
+			lastActiveAt: string | null
+			createdAt: string | null
+	  }
+	| {
+			type: 'empty'
+			id: string
+			name: string
+	  }
+
+type ContentSummary = {
+	gameVersion: string | null
+	loader: string | null
+	loaderVersion: string | null
+	linkedModpack: LinkedModpack | null
+	installedContentCount: number | null
+}
+
+const WORLD_SLOT_COUNT = 3
+
+try {
+	await queryClient.ensureQueryData({
+		queryKey: ['servers', 'worlds', 'summary', 'v1', serverId],
+		queryFn: loadWorldSlots,
+		staleTime: 30_000,
+	})
+} catch {
+	// Let mounted layouts' useQuery surface errors; do not fail route setup.
+}
+
 useHead({
 	title: () =>
 		formatMessage(messages.title, {
 			server: server.value?.name ?? formatMessage(commonMessages.serverLabel),
 		}),
 })
+
+async function loadWorldSlots(): Promise<WorldSlot[]> {
+	const serverFull = await client.archon.servers_v1.get(serverId)
+	const slots = await Promise.all(
+		serverFull.worlds.map(async (world, index) => {
+			const content = await loadContentSummary(world, index)
+			return toWorldSlot(world, content)
+		}),
+	)
+
+	return padWorldSlots(slots)
+}
+
+async function loadContentSummary(
+	world: Archon.Servers.v1.WorldFull,
+	index: number,
+): Promise<ContentSummary> {
+	try {
+		const content = await client.archon.content_v1.getAddons(serverId, world.id, {
+			addons: true,
+			updates: false,
+		})
+
+		return {
+			gameVersion: content.game_version ?? world.content?.game_version ?? null,
+			loader: content.modloader ?? world.content?.modloader ?? null,
+			loaderVersion: content.modloader_version ?? world.content?.modloader_version ?? null,
+			linkedModpack: getLinkedModpack(content.modpack),
+			installedContentCount: content.addons?.length ?? 0,
+		}
+	} catch {
+		return createDummyContentSummary(world, index)
+	}
+}
+
+function toWorldSlot(world: Archon.Servers.v1.WorldFull, content: ContentSummary): WorldSlot {
+	return {
+		type: 'world',
+		id: world.id,
+		name: world.name,
+		active: world.is_active,
+		gameVersion: content.gameVersion,
+		loaderLabel: getLoaderLabel(content.loader, content.loaderVersion),
+		linkedModpack: content.linkedModpack,
+		installedContentCount: content.installedContentCount,
+		lastActiveAt: getLatestKnownActivity(world),
+		createdAt: world.created_at,
+	}
+}
+
+function padWorldSlots(slots: WorldSlot[]): WorldSlot[] {
+	const padded = [...slots]
+	for (let i = padded.length; i < WORLD_SLOT_COUNT; i++) {
+		padded.push({
+			type: 'empty',
+			id: `empty-world-slot-${i + 1}`,
+			name: formatMessage(messages.instanceSlotName, { index: i + 1 }),
+		})
+	}
+	return padded
+}
+
+function getLinkedModpack(modpack: Archon.Content.v1.ModpackFields | null): LinkedModpack | null {
+	if (!modpack) return null
+
+	const name =
+		modpack.title ??
+		(modpack.spec.platform === 'local_file' ? modpack.spec.name : modpack.spec.project_id)
+
+	return {
+		name,
+		iconUrl: modpack.icon_url ?? null,
+		link: modpack.spec.platform === 'modrinth' ? `/project/${modpack.spec.project_id}` : null,
+	}
+}
+
+function getLoaderLabel(loader: string | null, loaderVersion: string | null): string | null {
+	if (!loader) return null
+	const normalizedLoader = loader.toLowerCase()
+	return [formatLoaderLabel(normalizedLoader), loaderVersion].filter(Boolean).join(' ')
+}
+
+function getLatestKnownActivity(world: Archon.Servers.v1.WorldFull): string | null {
+	const latestBackup = latestDate(world.backups.map((backup) => backup.created_at))
+	if (latestBackup) return latestBackup
+	if (world.is_active && isServerRunning.value) return new Date().toISOString()
+	return world.created_at ?? null
+}
+
+function latestDate(dates: string[]): string | null {
+	let latest = 0
+	let latestIso: string | null = null
+	for (const date of dates) {
+		const timestamp = new Date(date).getTime()
+		if (!Number.isFinite(timestamp) || timestamp <= latest) continue
+		latest = timestamp
+		latestIso = date
+	}
+	return latestIso
+}
+
+function createDummyContentSummary(
+	world: Archon.Servers.v1.WorldFull,
+	index: number,
+): ContentSummary {
+	const gameVersion = world.content?.game_version ?? server.value?.mc_version ?? '1.20.4'
+	const loader = world.content?.modloader ?? server.value?.loader?.toLowerCase() ?? 'fabric'
+	const loaderVersion = world.content?.modloader_version ?? server.value?.loader_version ?? '0.16.6'
+
+	if (index === 0) {
+		return {
+			gameVersion,
+			loader,
+			loaderVersion,
+			linkedModpack: {
+				name: 'Cobblemon Official',
+				iconUrl: null,
+				link: null,
+			},
+			installedContentCount: 47,
+		}
+	}
+
+	return {
+		gameVersion,
+		loader,
+		loaderVersion,
+		linkedModpack: null,
+		installedContentCount: 13,
+	}
+}
 </script>
 
 <template>