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fix: 修复跨时区用户日期范围查询不准确的问题

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问题：当用户时区与服务器时区不同时，日期范围查询使用服务器时区解析，
导致用户看到的数据与预期不符。

修复方案：
- 前端：所有 GET 请求自动携带用户时区参数
- 后端：新增时区辅助函数，所有日期解析和默认日期范围计算都使用用户时区
- 当用户时区为空或无效时，自动回退到服务器时区

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Yuhao Jiang
2026-01-05 14:08:34 -06:00
parent 752882a022
commit f5603b0780
5 changed files with 90 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
backend/internal/handler/admin/dashboard_handler.go
View File

@@ -26,31 +26,33 @@ func NewDashboardHandler(dashboardService *service.DashboardService) *DashboardH
}
// parseTimeRange parses start_date, end_date query parameters
// Uses user's timezone if provided, otherwise falls back to server timezone
func parseTimeRange(c *gin.Context) (time.Time, time.Time) {
now := timezone.Now()
userTZ := c.Query("timezone") // Get user's timezone from request
now := timezone.NowInUserLocation(userTZ)
startDate := c.Query("start_date")
endDate := c.Query("end_date")
var startTime, endTime time.Time
if startDate != "" {
if t, err := timezone.ParseInLocation("2006-01-02", startDate); err == nil {
if t, err := timezone.ParseInUserLocation("2006-01-02", startDate, userTZ); err == nil {
startTime = t
} else {
startTime = timezone.StartOfDay(now.AddDate(0, 0, -7))
startTime = timezone.StartOfDayInUserLocation(now.AddDate(0, 0, -7), userTZ)
}
} else {
startTime = timezone.StartOfDay(now.AddDate(0, 0, -7))
startTime = timezone.StartOfDayInUserLocation(now.AddDate(0, 0, -7), userTZ)
}
if endDate != "" {
if t, err := timezone.ParseInLocation("2006-01-02", endDate); err == nil {
if t, err := timezone.ParseInUserLocation("2006-01-02", endDate, userTZ); err == nil {
endTime = t.Add(24 * time.Hour) // Include the end date
} else {
endTime = timezone.StartOfDay(now.AddDate(0, 0, 1))
endTime = timezone.StartOfDayInUserLocation(now.AddDate(0, 0, 1), userTZ)
}
} else {
endTime = timezone.StartOfDay(now.AddDate(0, 0, 1))
endTime = timezone.StartOfDayInUserLocation(now.AddDate(0, 0, 1), userTZ)
}
return startTime, endTime

16
backend/internal/handler/admin/usage_handler.go
View File

@@ -102,8 +102,9 @@ func (h *UsageHandler) List(c *gin.Context) {
// Parse date range
var startTime, endTime *time.Time
userTZ := c.Query("timezone") // Get user's timezone from request
if startDateStr := c.Query("start_date"); startDateStr != "" {
t, err := timezone.ParseInLocation("2006-01-02", startDateStr)
t, err := timezone.ParseInUserLocation("2006-01-02", startDateStr, userTZ)
if err != nil {
response.BadRequest(c, "Invalid start_date format, use YYYY-MM-DD")
return
@@ -112,7 +113,7 @@ func (h *UsageHandler) List(c *gin.Context) {
}
if endDateStr := c.Query("end_date"); endDateStr != "" {
t, err := timezone.ParseInLocation("2006-01-02", endDateStr)
t, err := timezone.ParseInUserLocation("2006-01-02", endDateStr, userTZ)
if err != nil {
response.BadRequest(c, "Invalid end_date format, use YYYY-MM-DD")
return
@@ -172,7 +173,8 @@ func (h *UsageHandler) Stats(c *gin.Context) {
}
// Parse date range
now := timezone.Now()
userTZ := c.Query("timezone") // Get user's timezone from request
now := timezone.NowInUserLocation(userTZ)
var startTime, endTime time.Time
startDateStr := c.Query("start_date")
@@ -180,12 +182,12 @@ func (h *UsageHandler) Stats(c *gin.Context) {
if startDateStr != "" && endDateStr != "" {
var err error
startTime, err = timezone.ParseInLocation("2006-01-02", startDateStr)
startTime, err = timezone.ParseInUserLocation("2006-01-02", startDateStr, userTZ)
if err != nil {
response.BadRequest(c, "Invalid start_date format, use YYYY-MM-DD")
return
}
endTime, err = timezone.ParseInLocation("2006-01-02", endDateStr)
endTime, err = timezone.ParseInUserLocation("2006-01-02", endDateStr, userTZ)
if err != nil {
response.BadRequest(c, "Invalid end_date format, use YYYY-MM-DD")
return
@@ -195,13 +197,13 @@ func (h *UsageHandler) Stats(c *gin.Context) {
period := c.DefaultQuery("period", "today")
switch period {
case "today":
startTime = timezone.StartOfDay(now)
startTime = timezone.StartOfDayInUserLocation(now, userTZ)
case "week":
startTime = now.AddDate(0, 0, -7)
case "month":
startTime = now.AddDate(0, -1, 0)
default:
startTime = timezone.StartOfDay(now)
startTime = timezone.StartOfDayInUserLocation(now, userTZ)
}
endTime = now
}

32
backend/internal/handler/usage_handler.go
View File

@@ -88,8 +88,9 @@ func (h *UsageHandler) List(c *gin.Context) {
// Parse date range
var startTime, endTime *time.Time
userTZ := c.Query("timezone") // Get user's timezone from request
if startDateStr := c.Query("start_date"); startDateStr != "" {
t, err := timezone.ParseInLocation("2006-01-02", startDateStr)
t, err := timezone.ParseInUserLocation("2006-01-02", startDateStr, userTZ)
if err != nil {
response.BadRequest(c, "Invalid start_date format, use YYYY-MM-DD")
return
@@ -98,7 +99,7 @@ func (h *UsageHandler) List(c *gin.Context) {
}
if endDateStr := c.Query("end_date"); endDateStr != "" {
t, err := timezone.ParseInLocation("2006-01-02", endDateStr)
t, err := timezone.ParseInUserLocation("2006-01-02", endDateStr, userTZ)
if err != nil {
response.BadRequest(c, "Invalid end_date format, use YYYY-MM-DD")
return
@@ -194,7 +195,8 @@ func (h *UsageHandler) Stats(c *gin.Context) {
}
// 获取时间范围参数
now := timezone.Now()
userTZ := c.Query("timezone") // Get user's timezone from request
now := timezone.NowInUserLocation(userTZ)
var startTime, endTime time.Time
// 优先使用 start_date 和 end_date 参数
@@ -204,12 +206,12 @@ func (h *UsageHandler) Stats(c *gin.Context) {
if startDateStr != "" && endDateStr != "" {
// 使用自定义日期范围
var err error
startTime, err = timezone.ParseInLocation("2006-01-02", startDateStr)
startTime, err = timezone.ParseInUserLocation("2006-01-02", startDateStr, userTZ)
if err != nil {
response.BadRequest(c, "Invalid start_date format, use YYYY-MM-DD")
return
}
endTime, err = timezone.ParseInLocation("2006-01-02", endDateStr)
endTime, err = timezone.ParseInUserLocation("2006-01-02", endDateStr, userTZ)
if err != nil {
response.BadRequest(c, "Invalid end_date format, use YYYY-MM-DD")
return
@@ -221,13 +223,13 @@ func (h *UsageHandler) Stats(c *gin.Context) {
period := c.DefaultQuery("period", "today")
switch period {
case "today":
startTime = timezone.StartOfDay(now)
startTime = timezone.StartOfDayInUserLocation(now, userTZ)
case "week":
startTime = now.AddDate(0, 0, -7)
case "month":
startTime = now.AddDate(0, -1, 0)
default:
startTime = timezone.StartOfDay(now)
startTime = timezone.StartOfDayInUserLocation(now, userTZ)
}
endTime = now
}
@@ -248,31 +250,33 @@ func (h *UsageHandler) Stats(c *gin.Context) {
}
// parseUserTimeRange parses start_date, end_date query parameters for user dashboard
// Uses user's timezone if provided, otherwise falls back to server timezone
func parseUserTimeRange(c *gin.Context) (time.Time, time.Time) {
now := timezone.Now()
userTZ := c.Query("timezone") // Get user's timezone from request
now := timezone.NowInUserLocation(userTZ)
startDate := c.Query("start_date")
endDate := c.Query("end_date")
var startTime, endTime time.Time
if startDate != "" {
if t, err := timezone.ParseInLocation("2006-01-02", startDate); err == nil {
if t, err := timezone.ParseInUserLocation("2006-01-02", startDate, userTZ); err == nil {
startTime = t
} else {
startTime = timezone.StartOfDay(now.AddDate(0, 0, -7))
startTime = timezone.StartOfDayInUserLocation(now.AddDate(0, 0, -7), userTZ)
}
} else {
startTime = timezone.StartOfDay(now.AddDate(0, 0, -7))
startTime = timezone.StartOfDayInUserLocation(now.AddDate(0, 0, -7), userTZ)
}
if endDate != "" {
if t, err := timezone.ParseInLocation("2006-01-02", endDate); err == nil {
if t, err := timezone.ParseInUserLocation("2006-01-02", endDate, userTZ); err == nil {
endTime = t.Add(24 * time.Hour) // Include the end date
} else {
endTime = timezone.StartOfDay(now.AddDate(0, 0, 1))
endTime = timezone.StartOfDayInUserLocation(now.AddDate(0, 0, 1), userTZ)
}
} else {
endTime = timezone.StartOfDay(now.AddDate(0, 0, 1))
endTime = timezone.StartOfDayInUserLocation(now.AddDate(0, 0, 1), userTZ)
}
return startTime, endTime

37
backend/internal/pkg/timezone/timezone.go
View File

@@ -122,3 +122,40 @@ func StartOfMonth(t time.Time) time.Time {
func ParseInLocation(layout, value string) (time.Time, error) {
return time.ParseInLocation(layout, value, Location())
}
// ParseInUserLocation parses a time string in the user's timezone.
// If userTZ is empty or invalid, falls back to the configured server timezone.
func ParseInUserLocation(layout, value, userTZ string) (time.Time, error) {
loc := Location() // default to server timezone
if userTZ != "" {
if userLoc, err := time.LoadLocation(userTZ); err == nil {
loc = userLoc
}
}
return time.ParseInLocation(layout, value, loc)
}
// NowInUserLocation returns the current time in the user's timezone.
// If userTZ is empty or invalid, falls back to the configured server timezone.
func NowInUserLocation(userTZ string) time.Time {
if userTZ == "" {
return Now()
}
if userLoc, err := time.LoadLocation(userTZ); err == nil {
return time.Now().In(userLoc)
}
return Now()
}
// StartOfDayInUserLocation returns the start of the given day in the user's timezone.
// If userTZ is empty or invalid, falls back to the configured server timezone.
func StartOfDayInUserLocation(t time.Time, userTZ string) time.Time {
loc := Location()
if userTZ != "" {
if userLoc, err := time.LoadLocation(userTZ); err == nil {
loc = userLoc
}
}
t = t.In(loc)
return time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, loc)
}

17
frontend/src/api/client.ts
View File

@@ -21,6 +21,15 @@ export const apiClient: AxiosInstance = axios.create({
// ==================== Request Interceptor ====================
// Get user's timezone
const getUserTimezone = (): string => {
try {
return Intl.DateTimeFormat().resolvedOptions().timeZone
} catch {
return 'UTC'
}
}
apiClient.interceptors.request.use(
(config: InternalAxiosRequestConfig) => {
// Attach token from localStorage
@@ -34,6 +43,14 @@ apiClient.interceptors.request.use(
config.headers['Accept-Language'] = getLocale()
}
// Attach timezone for all GET requests (backend may use it for default date ranges)
if (config.method === 'get') {
if (!config.params) {
config.params = {}
}
config.params.timezone = getUserTimezone()
}
return config
},
(error) => {