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41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
package service
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import (
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"context"
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"time"
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appTimezone "github.com/Wei-Shaw/sub2api/internal/pkg/timezone"
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)
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const groupUsageDateFormat = "2006-01-02"
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// GroupUsageRollupRepository 是分组日汇总的可选持久化能力。
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type GroupUsageRollupRepository interface {
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SyncGroupUsageRollups(ctx context.Context, todayStart time.Time) error
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}
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// GroupUsageTimezoneName 返回服务端配置的时区名称。
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func GroupUsageTimezoneName() string {
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return appTimezone.Location().String()
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}
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// GroupUsageTodayStart 返回指定时刻在服务端配置时区内的自然日 UTC 起点。
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func GroupUsageTodayStart(at time.Time) time.Time {
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return appTimezone.StartOfDay(at).UTC()
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}
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// GroupUsageYesterdayStart 返回指定时刻前一个本地日历日的 UTC 起点。
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func GroupUsageYesterdayStart(at time.Time) time.Time {
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return appTimezone.StartOfDay(at).AddDate(0, 0, -1).UTC()
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}
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// GroupUsageDate 返回指定时刻在服务端配置时区内的日期。
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func GroupUsageDate(at time.Time) string {
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return at.In(appTimezone.Location()).Format(groupUsageDateFormat)
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}
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// ParseGroupUsageDate 解析服务端配置时区内的日期并返回其零点。
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func ParseGroupUsageDate(value string) (time.Time, error) {
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return appTimezone.ParseInLocation(groupUsageDateFormat, value)
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}
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