Files
accounted/lib/extensions/context-factory.ts
T
2026-02-24 10:02:13 +01:00

124 lines
3.3 KiB
TypeScript

import type { SupabaseClient } from '@supabase/supabase-js'
import type { CoreEvent } from '@/lib/events/types'
import { eventBus } from '@/lib/events/bus'
import { ingestTransactions } from '@/lib/transactions/ingest'
import { createLogger } from '@/lib/logger'
import type {
ExtensionContext,
ExtensionLogger,
ExtensionSettings,
ExtensionStorage,
ExtensionServices,
} from './types'
/**
* Create a prefixed logger for an extension.
*/
function createExtLogger(extensionId: string): ExtensionLogger {
const logger = createLogger(`ext:${extensionId}`)
return {
info: (message: string, ...args: unknown[]) => logger.info(message, ...args),
warn: (message: string, ...args: unknown[]) => logger.warn(message, ...args),
error: (message: string, ...args: unknown[]) => logger.error(message, ...args),
}
}
/**
* Create a settings accessor scoped to a specific extension.
*/
function createSettings(
supabase: SupabaseClient,
userId: string,
extensionId: string
): ExtensionSettings {
return {
async get<T>(key?: string): Promise<T | null> {
const lookupKey = key ?? 'settings'
const { data } = await supabase
.from('extension_data')
.select('value')
.eq('user_id', userId)
.eq('extension_id', extensionId)
.eq('key', lookupKey)
.single()
return (data?.value as T) ?? null
},
async set<T>(key: string, value: T): Promise<void> {
await supabase
.from('extension_data')
.upsert(
{
user_id: userId,
extension_id: extensionId,
key,
value,
},
{ onConflict: 'user_id,extension_id,key' }
)
},
}
}
/**
* Create a storage accessor wrapping Supabase storage.
*/
function createStorage(supabase: SupabaseClient): ExtensionStorage {
return {
async download(bucket: string, path: string) {
const { data, error } = await supabase.storage
.from(bucket)
.download(path)
return { data, error: error?.message }
},
async upload(bucket: string, path: string, data: ArrayBuffer, options?: { contentType?: string }) {
const { error } = await supabase.storage
.from(bucket)
.upload(path, data, options ? { contentType: options.contentType } : undefined)
if (error) return { path: '', error: error.message }
return { path }
},
getPublicUrl(bucket: string, path: string): string {
const { data } = supabase.storage
.from(bucket)
.getPublicUrl(path)
return data.publicUrl
},
}
}
/**
* Create core services exposed to extensions.
*/
function createServices(): ExtensionServices {
return {
ingestTransactions,
}
}
/**
* Build a fully populated ExtensionContext.
*
* The context gives extensions access to Supabase, event emission, settings,
* storage, logging, and core services — without importing from core modules.
*/
export function createExtensionContext(
supabase: SupabaseClient,
userId: string,
extensionId: string
): ExtensionContext {
return {
userId,
extensionId,
supabase,
emit: (event: CoreEvent) => eventBus.emit(event),
settings: createSettings(supabase, userId, extensionId),
storage: createStorage(supabase),
log: createExtLogger(extensionId),
services: createServices(),
}
}