haixunMaster/haixun-backend/internal/library/placement/query_build.go

47 lines
955 B
Go

package placement
import (
"strings"
"time"
)
type QueryDimension string
const (
QueryRelevance QueryDimension = "relevance"
QueryRecency QueryDimension = "recency"
)
type TagQuery struct {
Tag string
Query string
Dimension QueryDimension
GraphNodeID string
ProductFitScore int
RecencyDays int // 0 = no after filter; 7 or 30 for recency track
}
func BuildRelevanceQuery(tag string) string {
tag = strings.TrimSpace(tag)
if tag == "" {
return ""
}
return `site:threads.net "` + tag + `"`
}
func BuildRecencyQuery(tag string, maxAgeDays int) string {
tag = strings.TrimSpace(tag)
if tag == "" {
return ""
}
after := FormatAfterDate(maxAgeDays, timeNow())
return `site:threads.net "` + tag + `" 請問 after:` + after
}
var timeNow = func() time.Time { return time.Now() }
// SetTimeNowForTest overrides time source in tests.
func SetTimeNowForTest(fn func() time.Time) {
timeNow = fn
}