/
distinct_id_sort.go
66 lines (57 loc) · 1.81 KB
/
distinct_id_sort.go
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package sort
import (
"errors"
"time"
"github.com/alibaba/pairec/module"
"github.com/alibaba/pairec/recconf"
)
type DistinctIdCondition struct {
filterParam *module.FilterParam
distinctId int
}
func NewDistinctIdCondition(config *recconf.DistinctIdCondition) *DistinctIdCondition {
filterParam := module.NewFilterParamWithConfig(config.Conditions)
condition := DistinctIdCondition{
filterParam: filterParam,
distinctId: config.DistinctId,
}
return &condition
}
type DistinctIdSort struct {
name string
conditions []*DistinctIdCondition
}
func NewDistinctIdSort(config recconf.SortConfig) *DistinctIdSort {
sort := DistinctIdSort{name: config.Name}
for _, boostScoreConditionConfig := range config.DistinctIdConditions {
condition := NewDistinctIdCondition(&boostScoreConditionConfig)
sort.conditions = append(sort.conditions, condition)
}
return &sort
}
func (s *DistinctIdSort) Sort(sortData *SortData) error {
if _, ok := sortData.Data.([]*module.Item); !ok {
return errors.New("sort data type error")
}
return s.doSort(sortData)
}
func (s *DistinctIdSort) doSort(sortData *SortData) error {
start := time.Now()
items := sortData.Data.([]*module.Item)
//ctx := sortData.Context
userProperties := sortData.User.MakeUserFeatures2()
for i, item := range items {
item.AddProperty("__distinct_id__", i+1)
properties := item.GetProperties()
for _, condition := range s.conditions {
if flag, err := condition.filterParam.EvaluateByDomain(userProperties, properties); err == nil && flag {
item.AddProperty("__distinct_id__", condition.distinctId)
//ctx.LogDebug(fmt.Sprintf("module=DistinctIdSort\titem=%s\tdistinct_id=%d", item.Id, condition.distinctId))
break
}
}
}
sortData.Data = items
sortInfoLogWithName(sortData, "DistinctIdSort", s.name, len(items), start)
return nil
}