eric/technologia-jetpack-compose
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

auth to server-V89

Browse source
This commit is contained in:
Eric85710 2026-05-12 15:41:01 +08:00
parent 1660ca4de4
commit b843518d8b
1 changed files with 59 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

76
app/src/main/java/com/example/login_v3/data/repository/basic/Token_Manager.kt
View file

@ -6,6 +6,7 @@ import androidx.datastore.preferences.core.Preferences
import androidx.datastore.preferences.core.booleanPreferencesKey
import androidx.datastore.preferences.core.edit
import androidx.datastore.preferences.core.stringPreferencesKey
import androidx.datastore.preferences.core.stringSetPreferencesKey
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.map
import javax.inject.Inject
@ -13,32 +14,73 @@ import javax.inject.Inject
class TokenManager @Inject constructor(
private val dataStore: DataStore<Preferences>
) {
companion object {
// 建議 Key 名稱與變數名稱一致
private val ACCESS_TOKEN = stringPreferencesKey("access_token")
private val IS_LOGIN = booleanPreferencesKey("is_login")
private val USER_ID_LIST = stringSetPreferencesKey("user_id_list")
// 獲取所有已登入的使用者 ID 清單
val allUserIds: Flow<Set<String>> = dataStore.data.map { preferences ->
preferences[USER_ID_LIST] ?: emptySet()
}
// 1.2.1 版本依然使用 suspend edit
suspend fun saveAuthData(token: String) {
companion object {
// 1. 記錄目前正在使用的 UserId
private val CURRENT_USER_ID = stringPreferencesKey("current_user_id")
// 2. 輔助函式：根據 userId 動態產生 Token 的 Key
private fun accessTokenKey(userId: String) = stringPreferencesKey("access_token_$userId")
}
// 儲存特定使用者的 Token
suspend fun saveAuthData(userId: String, token: String) {
dataStore.edit { preferences ->
preferences[ACCESS_TOKEN] = token
preferences[IS_LOGIN] = true
preferences[accessTokenKey(userId)] = token
preferences[CURRENT_USER_ID] = userId
// 更新 ID 清單：把新的 userId 加進去
val currentList = preferences[USER_ID_LIST] ?: emptySet()
preferences[USER_ID_LIST] = currentList + userId
}
}
// 使用 Flow 讀取資料
val accessToken: Flow<String?> = dataStore.data.map { preferences ->
preferences[ACCESS_TOKEN]
// 獲取「當前活躍使用者」的 ID
val currentUserId: Flow<String?> = dataStore.data.map { it[CURRENT_USER_ID] }
// 自動讀取「當前帳號」的 Token
val currentAccessToken: Flow<String?> = dataStore.data.map { preferences ->
val userId = preferences[CURRENT_USER_ID]
if (userId != null) {
preferences[accessTokenKey(userId)]
} else {
null
}
}
val isLogin: Flow<Boolean> = dataStore.data.map { preferences ->
preferences[IS_LOGIN] ?: false
}
suspend fun clearAuthData() {
// 切換帳號：只需更改 CURRENT_USER_ID
suspend fun switchAccount(userId: String) {
dataStore.edit { preferences ->
preferences.clear()
// 先檢查該 userId 的 token 是否存在
if (preferences.contains(accessTokenKey(userId))) {
preferences[CURRENT_USER_ID] = userId
}
}
}
// 登出特定帳號
suspend fun logout(userId: String) {
dataStore.edit { preferences ->
preferences.remove(accessTokenKey(userId))
// 從 ID 清單中移除
val currentList = preferences[USER_ID_LIST] ?: emptySet()
preferences[USER_ID_LIST] = currentList - userId
// 如果登出的是當前帳號，自動選另一個帳號或清空
if (preferences[CURRENT_USER_ID] == userId) {
val remainingUser = (currentList - userId).firstOrNull()
if (remainingUser != null) {
preferences[CURRENT_USER_ID] = remainingUser
} else {
preferences.remove(CURRENT_USER_ID)
}
}
}
}
}