refactor: template CredentialEditViewModel testAndSave methods + cleanup

Step 6: CredentialEditViewModel template
- New: testAndRollback() template method — handles save/test/rollback/message
- testAndSaveApiKey: use testAndRollback(rollbackOnFailure=false)
- testAndSaveCommandCodeGo: use testAndRollback(rollbackOnFailure=false)
- testAndSaveOpenCodeGo: use testAndRollback(rollbackOnFailure=true)
- testAndSaveOllama: use testAndRollback(rollbackOnFailure=true)
- Unified error message formatting in one place
- ~50 lines of duplicate when(err) blocks removed

All 8 PLAN.md items complete — deleting plan file
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PLAN.md
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@ -1,198 +0,0 @@
# RainyToken 改进计划
> 临时计划文件,执行完毕后删除。
---
## 1. 迁移 UsageCache 到 Room
**现状问题**:
- ~3700 条记录序列化为一个 JSON 字符串存入 DataStore 单 key
- 每次 `insertAll` → `loadAll()` 全量读取 → 追加 → `persist()` 全量序列化写回
- APP 冷启动时内存缓存丢失,需反序列化整个 JSON 字符串
- 数据只增不减,半年后可能上万条,写入和启动读取会线性恶化
- `getRecords(workspaceId, fromTs, toTs)` 是全量遍历后过滤,Room 用索引查询是 O(log n)
**目标**:
- 用 Room 替换 DataStore JSON 方案
- `UsageRecord` 作为 Entity,`workspaceId` + `timeCreated` 建索引
- `UsageCache` 接口不变(`getAll` / `insertAll` / `getRecords` / `getStatsByModel` / `getStatsByDay` / `getOverview` / `deleteByWorkspaceId` / `count` / `getDistinctModels` / `getLatest` / `getAllIds`),内部实现从 JSON 序列化改为 Room DAO 查询
- 保留内存缓存层(`@Volatile cachedAll`),但改为按需查询而非全量加载
- 数据迁移:首次启动时检查旧 DataStore 数据,一次性导入 Room,然后清理旧 key
**涉及文件**:
- 新建:`data/local/UsageDatabase.kt`(Room Database + DAO)
- 新建:`data/local/UsageRecordEntity.kt`(Entity 定义,从现有 `UsageRecord` 迁移)
- 修改:`data/local/UsageCache.kt`(内部实现改为 Room DAO 调用,接口不变)
- 修改:`di/NetworkModule.kt`(@Provides RoomDatabase 实例)
- 修改:`app/build.gradle.kts`(添加 Room 依赖)
**验证标准**:
- APP 启动后 OCGO / CCGO 用量数据正常显示
- 下拉刷新触发增量同步后新数据正确入库
- CCGO 清除按钮能正确删除并重新全量同步
- 图表、总览、原始数据页面正常渲染
- 冷启动不再有全量 JSON 反序列化卡顿
---
## 2. 加解析单元测试
**现状问题**:
- `OllamaRepository.parseUsage()` 和 `OpenCodeGoRepository.parseWindows()` 用正则解析 HTML
- 对方改一次页面结构就失效,且失效表现是静默的(显示 0% 而非报错)
- `CredentialEditViewModel.load()` 每次加新服务都要改回显分支,漏了用户看不到已存凭据
**目标**:
- 纯 JVM 单元测试,不需要 Android 设备
- 测试用例用之前抓到的真实 HTML(Ollama settings 页)作为 fixture
**涉及文件**:
- 新建:`app/src/test/java/com/rainy/token/data/repository/OllamaRepositoryTest.kt`
- 测试 plan 解析(Pro / Max / Free)
- 测试 session/weekly 百分比解析(含小数 35.1%)
- 测试 data-time 重置时间戳解析
- 测试 data-model + data-requests 模型级数据解析
- 测试无效 Cookie / 空页面 / HTML 结构变更场景
- 新建:`app/src/test/java/com/rainy/token/data/repository/OpenCodeGoRepositoryTest.kt`
- 测试 rollingUsage / weeklyUsage / monthlyUsage 解析
- 测试嵌套对象的括号匹配
- 测试 HTML 无目标数据时的 fallback
**验证标准**:
- `./gradlew test` 全部通过
- 测试覆盖正则解析的主要路径和边界情况
---
## 3. DashboardScreen 拆分
**现状问题**:
- DashboardScreen.kt 1121 行,包含主框架 + 所有服务卡片 + 拖拽逻辑 + 工具函数
- 加一个新服务要改这一个文件至少 3 处
**目标**:
- 拆成 3 个文件:
- `DashboardScreen.kt` — 主框架 + Scaffold + PullToRefresh(~200 行)
- `ServiceBalanceCards.kt` — 各服务的 MainBalance + UsageWindows Composable
- `DashboardDragState.kt` — 拖拽状态管理类 + 工具函数
**涉及文件**:
- 修改:`ui/dashboard/DashboardScreen.kt`(大幅精简)
- 新建:`ui/dashboard/ServiceBalanceCards.kt`
- 新建:`ui/dashboard/DashboardDragState.kt`
**验证标准**:
- 编译通过
- Dashboard 功能不变(卡片显示、拖拽排序、下拉刷新、自适应布局)
- 新增服务时只需改 `ServiceBalanceCards.kt` + `secondaryLine`
---
## 4. 重复函数提取
**现状问题**:
- `formatAmount(Double)` — DashboardScreen.kt + ServiceDetailScreen.kt 各一份
- `normalizeWindowLabel(String)` — DashboardScreen.kt + WidgetProvider 各一份
- `formatResetInSec(Long)` / `formatReset(Long)` — DashboardScreen.kt + ServiceDetailScreen.kt + WidgetProvider 三份
- `parseCookieString(String)` — CredentialEditViewModel.kt 独一份,但应该在公共位置
**目标**:
- 抽取到 `ui/components/FormatUtils.kt`(UI 层共享)
- `parseCookieString` 抽到 `data/repository/CookieUtils.kt`
**涉及文件**:
- 新建:`ui/components/FormatUtils.kt`
- 新建:`data/repository/CookieUtils.kt`
- 修改:DashboardScreen.kt / ServiceDetailScreen.kt / OpenCodeGoWidgetProvider.kt / CredentialEditViewModel.kt(删除重复定义,改用 import)
**验证标准**:
- 编译通过,无行为变化
---
## 5. Repository 加重试
**现状问题**:
- 所有 Repository 的 `fetchBalance()` 只做一次请求,失败就返回 `Result.failure`
- 网络抖动时用户需手动下拉刷新
**目标**:
- 对 `RepositoryError.Network` 和 `RepositoryError.ServerError(5xx)` 加一次指数退避重试(最多 2 次)
- 401/403/429 不重试
- 可以做成 OkHttp Interceptor 或在 Repository 层包一层 `retryOnce`
**涉及文件**:
- 新建或修改:`data/repository/RetryHelper.kt`(通用重试包装)
- 修改:各 Repository 的 `fetchBalance()`(包一层 retry)
**验证标准**:
- 编译通过
- 网络抖动时自动重试一次而非直接失败
- 401/403 仍然立即失败不重试
---
## 6. CredentialEditViewModel 模板化
**现状问题**:
- `saveOpenCodeGoSession()` / `testAndSaveOpenCodeGo()` / `saveOllamaCredential()` / `testAndSaveOllama()` / `saveCommandCodeGoCredential()` / `testAndSaveCommandCodeGo()` 等方法成对出现,结构几乎一样
**目标**:
- 抽取通用的 `saveAndTestCredential(service, saveBlock, testBlock)` 模板方法
- 各服务只传不同的 save + test lambda
**涉及文件**:
- 修改:`ui/settings/CredentialEditViewModel.kt`
**验证标准**:
- 编译通过
- 各服务的保存/测试功能不变
- 新增服务时只需写 save + test 两个 lambda,不再写完整的成对方法
---
## 7. 删除 Jsoup 依赖
**现状问题**:
- `build.gradle.kts` 引入了 `org.jsoup:jsoup`,代码里 0 处 import
**涉及文件**:
- 修改:`app/build.gradle.kts`(删除 `implementation(libs.jsoup)`)
**验证标准**:
- 编译通过
---
## 8. ChartSettingsStore 改 Flow
**现状问题**:
- `ChartSettingsStore.getUseUtc8()` 用 `runBlocking` 同步读 DataStore,在 UI 线程调用
**目标**:
- 改成 `StateFlow` 暴露,Composable 层 `collectAsState`
**涉及文件**:
- 修改:`data/local/ChartSettingsStore.kt`
- 修改:调用 `getUseUtc8()` 的 Composable 层
**验证标准**:
- 编译通过
- 图表页 UTC 偏好切换正常
- 退出再进入能恢复上次偏好
---
## 执行顺序
1. 迁移 Room(基础设施,后续都依赖它)
2. 加解析单元测试(在改其他代码前先有回归保护)
3. DashboardScreen 拆分
4. 重复函数提取
5. Repository 加重试
6. CredentialEditViewModel 模板化
7. 删除 Jsoup 依赖
8. ChartSettingsStore 改 Flow
每步完成后 `./gradlew assembleDebug` 验证编译,全部完成后执行 `git commit` 并删除此计划文件。

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@ -149,6 +149,43 @@ class CredentialEditViewModel @Inject constructor(
* 保存 API Key 后立即测试连通性(计划 2.3 凭据有效性校验)。
* 复用 RefreshBalanceUseCase,成功/失败都把详细信息写进 message。
*/
/**
* 通用模板:保存凭据 → 测试连接 → 失败按需回滚。
*
* @param type 服务类型
* @param saveAndPrep 保存新凭据,返回 (旧凭据用于回滚, 测试 suspend block)
* @param formatSuccess 成功消息格式化
* @param rollbackOnFailure 失败时是否回滚到旧凭据
*/
private suspend fun testAndRollback(
type: ServiceType,
saveAndPrep: suspend () -> Pair<Credential?, suspend () -> Result<com.rainy.token.domain.model.ServiceBalance>>,
formatSuccess: (com.rainy.token.domain.model.ServiceBalance) -> String,
rollbackOnFailure: Boolean
) {
val (previous, testBlock) = saveAndPrep()
val result = testBlock()
if (result.isSuccess) {
val bal = result.getOrNull()
_uiState.update { it.copy(message = formatSuccess(bal!!), hasExisting = true) }
} else {
if (rollbackOnFailure) {
if (previous != null) credentialRepository.save(previous) else credentialRepository.remove(type)
}
val err = result.exceptionOrNull()
val reason = when (err) {
is RepositoryError.InvalidCredential -> "服务拒绝该凭据 (401/403)"
is RepositoryError.RateLimited -> "请求过于频繁 (429)"
is RepositoryError.ServerError -> "服务端错误 (${err.code})"
is RepositoryError.Network -> "网络错误:${err.cause?.message ?: "未知"}"
else -> err?.message ?: "未知错误"
}
_uiState.update {
it.copy(message = "测试失败。$reason", hasExisting = if (rollbackOnFailure) previous != null else true)
}
}
}
fun testAndSaveApiKey() {
val type = serviceType ?: return
if (type != ServiceType.DEEPSEEK && type != ServiceType.COMMANDCODE_GO && type != ServiceType.CODEX) {
@ -162,43 +199,17 @@ class CredentialEditViewModel @Inject constructor(
return
}
viewModelScope.launch {
// 先按 trim 后的值落盘,再跑一次实时校验
val existing = credentialRepository.get(type) as? Credential.ApiKeyCredential
val updated = (existing ?: Credential.ApiKeyCredential(
service = type,
key = trimmedKey,
lastVerifiedAt = 0L
service = type, key = trimmedKey, lastVerifiedAt = 0L
)).copy(key = trimmedKey)
credentialRepository.save(updated)
_uiState.update { it.copy(apiKey = trimmedKey) }
val result = refreshBalanceUseCaseProvider.get().invoke(type)
result.fold(
onSuccess = { bal ->
_uiState.update {
it.copy(
message = "连接成功!余额: ${bal.amount} ${bal.unit}",
hasExisting = true
)
}
},
onFailure = { err ->
// 在错误信息里露出 Key 的首尾字符,便于区分"带空格"还是"Key 真的失效"
val preview = maskedKeyPreview(trimmedKey)
val reason = when (err) {
is RepositoryError.InvalidCredential -> "服务拒绝该凭据 (401/403),请检查是否完整复制(当前: '$preview')"
is RepositoryError.RateLimited -> "请求过于频繁 (429),稍后再试"
is RepositoryError.ServerError -> "服务端错误 (${err.code}),凭据本身没问题"
is RepositoryError.Network -> "网络错误:${err.cause?.message ?: "未知"}"
else -> "未知错误:${err.message ?: err::class.simpleName}"
}
_uiState.update {
it.copy(
message = "连接失败。$reason",
hasExisting = true
)
}
}
testAndRollback(
type = type,
saveAndPrep = { existing to { refreshBalanceUseCaseProvider.get().invoke(type) } },
formatSuccess = { bal -> "连接成功!余额: ${bal.amount} ${bal.unit}" },
rollbackOnFailure = false
)
}
}
@ -240,13 +251,12 @@ class CredentialEditViewModel @Inject constructor(
viewModelScope.launch {
val previous = credentialRepository.get(type)
doSaveOpenCodeGo(current.workspaceId.trim(), current.authCookie.trim())
val result = openCodeGoRepositoryProvider.get().fetchBalance()
if (result.isSuccess) {
_uiState.update { it.copy(message = "连接成功,凭据已保存", hasExisting = true) }
} else {
if (previous != null) credentialRepository.save(previous) else credentialRepository.remove(type)
_uiState.update { it.copy(message = "测试失败:${result.exceptionOrNull()?.message}", hasExisting = previous != null) }
}
testAndRollback(
type = type,
saveAndPrep = { previous to { openCodeGoRepositoryProvider.get().fetchBalance() } },
formatSuccess = { "连接成功,凭据已保存" },
rollbackOnFailure = true
)
}
}
@ -393,7 +403,6 @@ class CredentialEditViewModel @Inject constructor(
return
}
viewModelScope.launch {
// 先落盘
val cookies = if (current.cookieInput.isNotBlank()) {
parseCookieString(current.cookieInput)
} else emptyList()
@ -403,29 +412,11 @@ class CredentialEditViewModel @Inject constructor(
)).copy(cookies = cookies, token = trimmedKey, lastVerifiedAt = System.currentTimeMillis())
credentialRepository.save(updated)
_uiState.update { it.copy(apiKey = trimmedKey) }
val result = refreshBalanceUseCaseProvider.get().invoke(type)
result.fold(
onSuccess = { bal ->
_uiState.update {
it.copy(
message = "连接成功!余额: \$${String.format(java.util.Locale.US, "%.2f", bal.amount)}",
hasExisting = true
)
}
},
onFailure = { err ->
val reason = when (err) {
is RepositoryError.InvalidCredential -> "API Key 无效 (401/403)"
is RepositoryError.RateLimited -> "请求过于频繁 (429)"
is RepositoryError.ServerError -> "服务端错误 (${err.code})"
is RepositoryError.Network -> "网络错误:${err.cause?.message ?: "未知"}"
else -> err.message ?: err::class.simpleName ?: "未知错误"
}
_uiState.update {
it.copy(message = "连接失败。$reason", hasExisting = true)
}
}
testAndRollback(
type = type,
saveAndPrep = { existing to { refreshBalanceUseCaseProvider.get().invoke(type) } },
formatSuccess = { bal -> "连接成功!余额: \$${String.format(java.util.Locale.US, "%.2f", bal.amount)}" },
rollbackOnFailure = false
)
}
}
@ -463,25 +454,13 @@ class CredentialEditViewModel @Inject constructor(
viewModelScope.launch {
val previous = credentialRepository.get(type)
doSaveOllama(current.ollamaCookie.trim())
val result = ollamaRepositoryProvider.get().fetchBalance()
if (result.isSuccess) {
val bal = result.getOrNull()
_uiState.update {
it.copy(
message = "连接成功!Session: ${bal?.amount ?: 0}% · ${bal?.extras?.get("plan") ?: "—"}",
hasExisting = true
testAndRollback(
type = type,
saveAndPrep = { previous to { ollamaRepositoryProvider.get().fetchBalance() } },
formatSuccess = { bal -> "连接成功!Session: ${bal.amount}% · ${bal.extras["plan"] ?: "—"}" },
rollbackOnFailure = true
)
}
} else {
if (previous != null) credentialRepository.save(previous) else credentialRepository.remove(type)
_uiState.update {
it.copy(
message = "测试失败:${result.exceptionOrNull()?.message}",
hasExisting = previous != null
)
}
}
}
}
private suspend fun doSaveOllama(cookie: String) {