32 lines
807 B
Go
32 lines
807 B
Go
package service
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import (
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"context"
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"fmt"
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"time"
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"slogan-agent/styleagent/agent"
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)
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var weatherCache = agent.NewTTLCache(6 * time.Hour)
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// GetWeather 地点 + 日期范围 → 天气结果（高德地理编码 + 和风 7 天预报，缓存 6 小时）
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func GetWeather(ctx context.Context, location, startDate, endDate string) (*agent.WeatherResult, error) {
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cityCode, err := agent.GetCityCode(ctx, location)
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if err != nil {
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return nil, err
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}
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cacheKey := fmt.Sprintf("%s:%s:%s", cityCode, startDate, endDate)
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if v, ok := weatherCache.Get(cacheKey); ok {
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if result, ok := v.(*agent.WeatherResult); ok {
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return result, nil
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}
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}
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result, err := agent.GetDaily(ctx, cityCode, startDate, endDate)
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if err != nil {
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return nil, err
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}
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weatherCache.Set(cacheKey, result)
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return result, nil
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}
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