Files
YouduWiki/backend/repo/cache/geo.go
2026-05-21 19:52:45 +08:00

92 lines
2.2 KiB
Go

package cache
import (
"context"
"fmt"
"strconv"
"time"
"github.com/chaitin/panda-wiki/domain"
"github.com/chaitin/panda-wiki/log"
"github.com/chaitin/panda-wiki/store/cache"
"github.com/chaitin/panda-wiki/store/pg"
"github.com/chaitin/panda-wiki/utils"
)
type GeoRepo struct {
cache *cache.Cache
db *pg.DB
logger *log.Logger
}
func NewGeoCache(cache *cache.Cache, db *pg.DB, logger *log.Logger) *GeoRepo {
return &GeoRepo{
cache: cache,
db: db,
logger: logger.WithModule("repo.cache.geo"),
}
}
func (r *GeoRepo) SetGeo(ctx context.Context, kbID, field string) error {
now := time.Now()
key := fmt.Sprintf("geo:%s:%s", kbID, now.Format("2006-01-02-15"))
// First try to increment the field
result := r.cache.HIncrBy(ctx, key, field, 1)
if result.Err() != nil {
return result.Err()
}
// If this is the first increment (value = 1), set expire
if result.Val() == 1 {
return r.cache.Expire(ctx, key, 25*time.Hour).Err()
}
return nil
}
func (r *GeoRepo) GetLast24HourGeo(ctx context.Context, kbID string) (map[string]int64, error) {
counts := make(map[string]int64)
now := time.Now()
// Get data for the last 24 hours
for i := 0; i < 24; i++ {
targetTime := now.Add(-time.Duration(i) * time.Hour)
key := fmt.Sprintf("geo:%s:%s", kbID, targetTime.Format("2006-01-02-15"))
values, err := r.cache.HGetAll(ctx, key).Result()
if err != nil {
return nil, fmt.Errorf("get geo count failed: %w", err)
}
for field, value := range values {
valueInt, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return nil, fmt.Errorf("parse geo count failed: %w", err)
}
counts[field] += valueInt
}
}
return counts, nil
}
func (r *GeoRepo) GetGeoByHour(ctx context.Context, kbID string, startHour int64) (map[string]int64, error) {
counts := make(map[string]int64)
geoCounts := make([]domain.MapStrInt64, 0)
if err := r.db.WithContext(ctx).Model(&domain.StatPageHour{}).
Select("geo_count").
Where("kb_id = ?", kbID).
Where("hour >= ? and hour < ?", utils.GetTimeHourOffset(-startHour), utils.GetTimeHourOffset(-24)).
Pluck("geo_count", &geoCounts).Error; err != nil {
return nil, err
}
for i := range geoCounts {
for k, v := range geoCounts[i] {
counts[k] += v
}
}
return counts, nil
}