Merge pull request #6089 from lyen1688/feat/channel-time-pricing-weekdays

新增渠道时间段定价工作日生效规则

backend/internal/service/channel.go

@@ -109,8 +109,9 @@ type ChannelModelPricing struct {
 
 // ChannelTimePricing 渠道模型定价的分时倍率配置。
 type ChannelTimePricing struct {
-	Timezone string                     `json:"timezone"`
-	Periods  []ChannelTimePricingPeriod `json:"periods"`
+	Timezone     string                     `json:"timezone"`
+	WeekdaysOnly bool                       `json:"weekdays_only,omitempty"`
+	Periods      []ChannelTimePricingPeriod `json:"periods"`
 }
 
 // ChannelTimePricingPeriod 是秒级的左闭右开分时倍率区间，并兼容历史 HH:mm 数据。
@@ -216,7 +217,10 @@ func (p ChannelModelPricing) Clone() ChannelModelPricing {
 		copy(cp.Intervals, p.Intervals)
 	}
 	if p.TimePricing != nil {
-		cp.TimePricing = &ChannelTimePricing{Timezone: p.TimePricing.Timezone}
+		cp.TimePricing = &ChannelTimePricing{
+			Timezone:     p.TimePricing.Timezone,
+			WeekdaysOnly: p.TimePricing.WeekdaysOnly,
+		}
 		if p.TimePricing.Periods != nil {
 			cp.TimePricing.Periods = append([]ChannelTimePricingPeriod(nil), p.TimePricing.Periods...)
 		}

backend/internal/service/channel_test.go

@@ -198,7 +198,8 @@ func TestChannelModelPricingClone(t *testing.T) {
 			{MinTokens: 0, TierLabel: "tier1"},
 		},
 		TimePricing: &ChannelTimePricing{
-			Timezone: "Asia/Shanghai",
+			Timezone:     "Asia/Shanghai",
+			WeekdaysOnly: true,
 			Periods: []ChannelTimePricingPeriod{{
 				StartTime:  "09:00",
 				EndTime:    "12:00",
@@ -217,9 +218,11 @@ func TestChannelModelPricingClone(t *testing.T) {
 	require.Equal(t, "tier1", original.Intervals[0].TierLabel)
 
 	cloned.TimePricing.Timezone = "America/New_York"
+	cloned.TimePricing.WeekdaysOnly = false
 	cloned.TimePricing.Periods[0].StartTime = "10:00"
 	cloned.TimePricing.Periods[0].Multiplier = 3
 	require.Equal(t, "Asia/Shanghai", original.TimePricing.Timezone)
+	require.True(t, original.TimePricing.WeekdaysOnly)
 	require.Equal(t, "09:00", original.TimePricing.Periods[0].StartTime)
 	require.Equal(t, 2.0, original.TimePricing.Periods[0].Multiplier)
 }

backend/internal/service/custom_channel_time_pricing.go

@@ -47,6 +47,9 @@ func (config *ChannelTimePricing) MultiplierAt(at time.Time) float64 {
 	}
 
 	local := at.In(location)
+	if config.WeekdaysOnly && (local.Weekday() == time.Saturday || local.Weekday() == time.Sunday) {
+		return 1.0
+	}
 	second := local.Hour()*60*60 + local.Minute()*60 + local.Second()
 	for _, period := range periods {
 		if second >= period.start && second < period.end {

backend/internal/service/custom_channel_time_pricing_test.go

@@ -95,6 +95,30 @@ func TestChannelTimePricingMultiplierAt(t *testing.T) {
 	require.Equal(t, 2.0, newYork.MultiplierAt(at))
 }
 
+func TestChannelTimePricingMultiplierAtWeekdaysOnly(t *testing.T) {
+	config := &ChannelTimePricing{
+		Timezone:     "Asia/Shanghai",
+		WeekdaysOnly: true,
+		Periods:      onePeriod(),
+	}
+
+	tests := []struct {
+		name string
+		at   time.Time
+		want float64
+	}{
+		{name: "Monday in configured timezone", at: time.Date(2026, 6, 29, 1, 0, 0, 0, time.UTC), want: 2},
+		{name: "Saturday in configured timezone", at: time.Date(2026, 7, 4, 1, 0, 0, 0, time.UTC), want: 1},
+		{name: "Sunday in configured timezone", at: time.Date(2026, 7, 5, 1, 0, 0, 0, time.UTC), want: 1},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			require.Equal(t, tt.want, config.MultiplierAt(tt.at))
+		})
+	}
+}
+
 func TestChannelTimePricingMultiplierAtSecondPrecision(t *testing.T) {
 	config := timeConfig(ChannelTimePricingPeriod{StartTime: "09:00:30", EndTime: "09:00:45", Multiplier: 2})
 	shanghai, err := time.LoadLocation("Asia/Shanghai")