fix oauth package name

oauth/src/utils/avatarFetcher.js

@@ -0,0 +1,147 @@
+import { getPdsFromHandle, getApiConfig } from './pds.js'
+import { logger } from './logger.js'
+
+// Avatar取得の状態管理
+const avatarCache = new Map()
+const CACHE_DURATION = 30 * 60 * 1000 // 30分
+
+// Avatar URLが有効かチェック
+async function isAvatarValid(avatarUrl) {
+  if (!avatarUrl) return false
+  
+  try {
+    const response = await fetch(avatarUrl, { method: 'HEAD' })
+    return response.ok
+  } catch (error) {
+    logger.warn('Avatar URL check failed:', error)
+    return false
+  }
+}
+
+// handleからDIDを取得
+async function getDid(handle) {
+  try {
+    const pds = await getPdsFromHandle(handle)
+    const response = await fetch(`${pds}/xrpc/com.atproto.repo.describeRepo?repo=${handle}`)
+    const data = await response.json()
+    return data.did
+  } catch (error) {
+    logger.error('Failed to get DID for handle:', handle, error)
+    throw error
+  }
+}
+
+// DIDからプロフィール情報を取得
+async function getProfile(did, handle) {
+  try {
+    // Determine which public API to use based on handle
+    const pds = await getPdsFromHandle(handle)
+    const apiConfig = getApiConfig(pds)
+    
+    // Use the appropriate public API endpoint
+    const publicApiUrl = apiConfig.bsky
+    
+    logger.log('Getting profile for DID:', did, 'using public API:', publicApiUrl)
+    const response = await fetch(`${publicApiUrl}/xrpc/app.bsky.actor.getProfile?actor=${did}`)
+    
+    if (!response.ok) {
+      throw new Error(`Profile API error: ${response.status} ${response.statusText}`)
+    }
+    
+    const data = await response.json()
+    logger.log('Profile data received:', data)
+    return data
+  } catch (error) {
+    logger.error('Failed to get profile for DID:', did, error)
+    throw error
+  }
+}
+
+// 新しいavatar URLを取得
+async function fetchFreshAvatar(handle, did) {
+  const cacheKey = `${handle}:${did || 'no-did'}`
+  const cached = avatarCache.get(cacheKey)
+  
+  // キャッシュチェック
+  if (cached && Date.now() - cached.timestamp < CACHE_DURATION) {
+    logger.log('Using cached avatar for:', handle)
+    return cached.avatar
+  }
+
+  try {
+    logger.log('Fetching fresh avatar for handle:', handle, 'with DID:', did)
+    
+    // DIDが不明な場合は取得
+    let actualDid = did
+    if (!actualDid) {
+      logger.log('No DID provided, fetching from handle:', handle)
+      actualDid = await getDid(handle)
+      logger.log('Got DID from handle:', actualDid)
+    }
+    
+    // プロフィール取得
+    const profile = await getProfile(actualDid, handle)
+    const avatarUrl = profile.avatar || null
+    
+    // キャッシュに保存
+    avatarCache.set(cacheKey, {
+      avatar: avatarUrl,
+      timestamp: Date.now(),
+      profile: {
+        displayName: profile.displayName,
+        handle: profile.handle
+      }
+    })
+    
+    logger.log('Fresh avatar fetched for:', handle, 'Avatar URL:', avatarUrl)
+    return avatarUrl
+    
+  } catch (error) {
+    logger.error('Failed to fetch fresh avatar for:', handle, 'Error:', error)
+    return null
+  }
+}
+
+// メイン関数: avatarを取得（recordから → 新規取得）
+export async function getValidAvatar(record) {
+  const author = record?.value?.author
+  if (!author?.handle) {
+    logger.warn('No handle found in record author')
+    return null
+  }
+
+  const { handle, did, avatar: recordAvatar } = author
+
+  // 1. record内のavatarをチェック
+  if (recordAvatar) {
+    const isValid = await isAvatarValid(recordAvatar)
+    if (isValid) {
+      logger.log('Using avatar from record:', recordAvatar)
+      return recordAvatar
+    } else {
+      logger.log('Record avatar is broken, fetching fresh:', recordAvatar)
+    }
+  }
+
+  // 2. 新しいavatarを取得
+  return await fetchFreshAvatar(handle, did)
+}
+
+// キャッシュクリア
+export function clearAvatarCache() {
+  avatarCache.clear()
+  logger.log('Avatar cache cleared')
+}
+
+// キャッシュ統計
+export function getAvatarCacheStats() {
+  return {
+    size: avatarCache.size,
+    entries: Array.from(avatarCache.entries()).map(([key, value]) => ({
+      key,
+      avatar: value.avatar,
+      age: Date.now() - value.timestamp,
+      profile: value.profile
+    }))
+  }
+}