Jakob WennbergandClaude Opus 4.6
ef5a84a5d5
Enrich ExtensionContext with supabase, emit(), settings, storage, log, and services so extensions can receive everything through dependency injection instead of importing core modules directly. - Add context factory and inject context into event handlers via registry - Move supplier invoice journal entry creation to core event handler - Add services.ingestTransactions to ExtensionContext for enable-banking - Create catch-all API route for extension-declared apiRoutes - Migrate 5 extensions to accept context with dynamic import fallbacks Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
119 lines
3.9 KiB
TypeScript
119 lines
3.9 KiB
TypeScript
import { eventBus } from '@/lib/events/bus'
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import type { CoreEventType } from '@/lib/events/types'
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import type { Extension, ExtensionContext } from './types'
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import type { SupabaseClient } from '@supabase/supabase-js'
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/** Factory function type for creating extension contexts */
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export type ContextFactory = (
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supabase: SupabaseClient,
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userId: string,
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extensionId: string
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) => ExtensionContext
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/** Lazy-loaded context factory — set during initialization */
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let contextFactory: ContextFactory | null = null
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/**
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* Set the context factory used to build ExtensionContext for event handlers.
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* Called once during system initialization.
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*/
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export function setContextFactory(factory: ContextFactory): void {
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contextFactory = factory
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}
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/**
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* Extension Registry — singleton that manages extension lifecycle.
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*
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* - register() stores extension and wires event handlers to the bus
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* - unregister() unhooks handlers and removes extension
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* - getAll(), get(), getByCapability() for querying
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*/
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class ExtensionRegistry {
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private extensions = new Map<string, Extension>()
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private unsubscribers = new Map<string, (() => void)[]>()
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/**
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* Register an extension: store it and wire its event handlers to the bus.
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*
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* Each handler is wrapped so it receives `(payload, ctx)`. The context is
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* built lazily when the event fires, using the userId from the payload and
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* a Supabase client created from the current request cookies.
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*/
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register(extension: Extension): void {
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if (this.extensions.has(extension.id)) {
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console.warn(`[ExtensionRegistry] Extension "${extension.id}" already registered, skipping`)
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return
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}
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this.extensions.set(extension.id, extension)
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// Wire event handlers to the bus
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const unsubs: (() => void)[] = []
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if (extension.eventHandlers) {
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for (const { eventType, handler } of extension.eventHandlers) {
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// Wrap handler to inject ExtensionContext as second argument
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const wrappedHandler = async (payload: { userId: string; [key: string]: unknown }) => {
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let ctx: ExtensionContext | undefined
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if (contextFactory && payload.userId) {
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try {
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// Dynamic import to avoid circular deps at module load time
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const { createClient } = await import('@/lib/supabase/server')
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const supabase = await createClient()
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ctx = contextFactory(supabase, payload.userId, extension.id)
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} catch {
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// Context creation failed (e.g. no request cookies in cron jobs).
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// Handler still gets called — ctx will be undefined.
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}
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}
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return handler(payload, ctx)
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}
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const unsub = eventBus.on(eventType as CoreEventType, wrappedHandler)
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unsubs.push(unsub)
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}
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}
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this.unsubscribers.set(extension.id, unsubs)
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}
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/**
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* Unregister an extension: unhook all event handlers and remove.
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*/
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unregister(extensionId: string): void {
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const unsubs = this.unsubscribers.get(extensionId)
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if (unsubs) {
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for (const unsub of unsubs) {
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unsub()
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}
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this.unsubscribers.delete(extensionId)
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}
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this.extensions.delete(extensionId)
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}
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/** Get all registered extensions. */
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getAll(): Extension[] {
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return [...this.extensions.values()]
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}
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/** Get a specific extension by ID. */
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get(id: string): Extension | undefined {
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return this.extensions.get(id)
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}
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/** Get all extensions that have a specific capability. */
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getByCapability(key: keyof Extension): Extension[] {
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return [...this.extensions.values()].filter(
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(ext) => ext[key] !== undefined && ext[key] !== null
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)
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}
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/** Clear all extensions (useful for testing). */
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clear(): void {
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for (const id of this.extensions.keys()) {
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this.unregister(id)
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}
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}
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}
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/** Module-level singleton */
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export const extensionRegistry = new ExtensionRegistry()
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