Install transitive dependencies of versions properly

apps/app-frontend/src/store/install.js

@@ -2,7 +2,7 @@
 
 import dayjs from 'dayjs'
 
-import { get_project, get_version_many } from '@/helpers/cache.js'
+import { get_project, get_version, get_version_many } from '@/helpers/cache.js'
 import { add_project_from_version, check_installed } from '@/helpers/profile.js'
 import {
 	add_server_to_profile,
@@ -49,33 +49,138 @@ export const isVersionCompatible = (version, project, instance) => {
 }
 
 export const installVersionDependencies = async (profile, version, onDepInstalling) => {
-	for (const dep of version.dependencies) {
-		if (dep.dependency_type !== 'required') continue
-		// disallow fabric api install on quilt
-		if (dep.project_id === 'P7dR8mSH' && profile.loader === 'quilt') continue
+	const projectNames = new Map()
+	const storeProjectName = (p) => {
+		if (p?.id && p.title) projectNames.set(p.id, p.title)
+	}
+
+	const visitedVersions = new Set()
+	const announcedProjects = new Set()
+	const queuedVersionIds = new Set()
+	const queuedProjectVersions = new Map()
+	const queuedInstalls = []
+	const installedProjectCache = new Map()
+
+	const isProjectInstalled = async (projectId) => {
+		if (!projectId) return false
+		if (installedProjectCache.has(projectId)) {
+			return installedProjectCache.get(projectId)
+		}
+		const installed = await check_installed(profile.path, projectId)
+		installedProjectCache.set(projectId, installed)
+		return installed
+	}
+
+	const queueInstall = async (projectId, resolvedVersion) => {
+		if (!resolvedVersion?.id) return false
+
+		const versionId = resolvedVersion.id
+		const resolvedProjectId = projectId ?? resolvedVersion.project_id ?? null
+
+		if (resolvedProjectId) {
+			if (await isProjectInstalled(resolvedProjectId)) return false
+
+			const existingVersionId = queuedProjectVersions.get(resolvedProjectId)
+			if (existingVersionId && existingVersionId !== versionId) return false
+			if (existingVersionId === versionId) return false
+		}
+
+		if (queuedVersionIds.has(versionId)) return false
+
+		queuedVersionIds.add(versionId)
+		if (resolvedProjectId) {
+			queuedProjectVersions.set(resolvedProjectId, versionId)
+		}
+		queuedInstalls.push({ versionId, projectId: resolvedProjectId })
+		return true
+	}
+
+	const announceDependency = async (projectId, resolvedVersion) => {
+		if (!onDepInstalling || !projectId) return
+		if (announcedProjects.has(projectId)) return
+
+		const depProject = await get_project(projectId, 'bypass').catch(() => null)
+		if (!depProject) return
+
+		storeProjectName(depProject)
+		onDepInstalling(depProject, resolvedVersion ?? undefined)
+		announcedProjects.add(projectId)
+	}
+
+	const resolveDependency = async (dep) => {
+		let depVersion = null
+		let depProjectId = dep.project_id ?? null
+
 		if (dep.version_id) {
-			if (dep.project_id && (await check_installed(profile.path, dep.project_id))) continue
-			if (dep.project_id && onDepInstalling) {
-				const depProject = await get_project(dep.project_id, 'bypass').catch(() => null)
-				if (depProject) onDepInstalling(depProject)
+			depVersion = await get_version(dep.version_id, 'bypass').catch(() => null)
+			if (!depVersion) return null
+
+			depProjectId = depProjectId ?? depVersion.project_id ?? null
+			if (depProjectId && !projectNames.has(depProjectId)) {
+				const p = await get_project(depProjectId, 'bypass').catch(() => null)
+				storeProjectName(p)
 			}
-			await add_project_from_version(profile.path, dep.version_id)
-		} else {
-			if (dep.project_id && (await check_installed(profile.path, dep.project_id))) continue
+		} else if (dep.project_id) {
+			const depProject = await get_project(dep.project_id, 'bypass').catch(() => null)
+			if (!depProject) return null
 
-			const depProject = await get_project(dep.project_id, 'bypass')
-			if (onDepInstalling) onDepInstalling(depProject)
+			storeProjectName(depProject)
 
-			const depVersions = (await get_version_many(depProject.versions, 'bypass')).sort(
-				(a, b) => dayjs(b.date_published) - dayjs(a.date_published),
+			const depVersions = await get_version_many(depProject.versions, 'bypass').catch(() => [])
+			depVersion = findPreferredVersion(
+				depVersions.sort((a, b) => dayjs(b.date_published) - dayjs(a.date_published)),
+				dep,
+				profile,
 			)
+			if (!depVersion) return null
+
+			depProjectId = dep.project_id
+		} else {
+			return null
+		}
+
+		return { depVersion, depProjectId }
+	}
+
+	const collectDependenciesForVersion = async (inputVersion) => {
+		if (!inputVersion?.id || visitedVersions.has(inputVersion.id)) return
+		visitedVersions.add(inputVersion.id)
 
-			const latest = findPreferredVersion(depVersions, dep, profile)
-			if (latest) {
-				await add_project_from_version(profile.path, latest.id)
+		if (inputVersion.project_id && !projectNames.has(inputVersion.project_id)) {
+			const p = await get_project(inputVersion.project_id, 'bypass').catch(() => null)
+			storeProjectName(p)
+		}
+
+		for (const dep of inputVersion.dependencies ?? []) {
+			if (dep.dependency_type !== 'required') continue
+			if (dep.project_id === 'P7dR8mSH' && profile.loader === 'quilt') continue
+
+			const resolved = await resolveDependency(dep, inputVersion)
+			if (!resolved) continue
+
+			const { depVersion, depProjectId } = resolved
+			const queued = await queueInstall(depProjectId, depVersion)
+			if (queued && depProjectId) {
+				await announceDependency(depProjectId, depVersion)
 			}
+
+			await collectDependenciesForVersion(depVersion)
 		}
 	}
+
+	await collectDependenciesForVersion(version)
+
+	if (queuedInstalls.length === 0) return
+
+	const batchSize = 8
+	for (let i = 0; i < queuedInstalls.length; i += batchSize) {
+		const batch = queuedInstalls.slice(i, i + batchSize)
+		await Promise.all(
+			batch.map(async ({ versionId }) => {
+				await add_project_from_version(profile.path, versionId)
+			}),
+		)
+	}
 }
 
 export const getServerAddress = (javaServer) => {