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wakapi/services/heartbeat.go
2021-06-12 12:01:20 +02:00

145 lines
4.6 KiB
Go

package services
import (
"fmt"
"github.com/muety/wakapi/config"
"github.com/muety/wakapi/repositories"
"github.com/muety/wakapi/utils"
"github.com/patrickmn/go-cache"
"strings"
"time"
"github.com/muety/wakapi/models"
)
type HeartbeatService struct {
config *config.Config
cache *cache.Cache
repository repositories.IHeartbeatRepository
languageMappingSrvc ILanguageMappingService
}
func NewHeartbeatService(heartbeatRepo repositories.IHeartbeatRepository, languageMappingService ILanguageMappingService) *HeartbeatService {
return &HeartbeatService{
config: config.Get(),
cache: cache.New(24*time.Hour, 24*time.Hour),
repository: heartbeatRepo,
languageMappingSrvc: languageMappingService,
}
}
func (srv *HeartbeatService) Insert(heartbeat *models.Heartbeat) error {
srv.updateEntityUserCacheByHeartbeat(heartbeat)
return srv.repository.InsertBatch([]*models.Heartbeat{heartbeat})
}
func (srv *HeartbeatService) InsertBatch(heartbeats []*models.Heartbeat) error {
hashes := make(map[string]bool)
// https://github.com/muety/wakapi/issues/139
filteredHeartbeats := make([]*models.Heartbeat, 0, len(heartbeats))
for _, hb := range heartbeats {
if _, ok := hashes[hb.Hash]; !ok {
filteredHeartbeats = append(filteredHeartbeats, hb)
hashes[hb.Hash] = true
}
srv.updateEntityUserCacheByHeartbeat(hb)
}
return srv.repository.InsertBatch(filteredHeartbeats)
}
func (srv *HeartbeatService) Count() (int64, error) {
return srv.repository.Count()
}
func (srv *HeartbeatService) CountByUser(user *models.User) (int64, error) {
return srv.repository.CountByUser(user)
}
func (srv *HeartbeatService) CountByUsers(users []*models.User) ([]*models.CountByUser, error) {
return srv.repository.CountByUsers(users)
}
func (srv *HeartbeatService) GetAllWithin(from, to time.Time, user *models.User) ([]*models.Heartbeat, error) {
heartbeats, err := srv.repository.GetAllWithin(from, to, user)
if err != nil {
return nil, err
}
return srv.augmented(heartbeats, user.ID)
}
func (srv *HeartbeatService) GetLatestByUser(user *models.User) (*models.Heartbeat, error) {
return srv.repository.GetLatestByUser(user)
}
func (srv *HeartbeatService) GetLatestByOriginAndUser(origin string, user *models.User) (*models.Heartbeat, error) {
return srv.repository.GetLatestByOriginAndUser(origin, user)
}
func (srv *HeartbeatService) GetFirstByUsers() ([]*models.TimeByUser, error) {
return srv.repository.GetFirstByUsers()
}
func (srv *HeartbeatService) GetEntitySetByUser(entityType uint8, user *models.User) ([]string, error) {
cacheKey := srv.getEntityUserCacheKey(entityType, user)
if results, found := srv.cache.Get(cacheKey); found {
return utils.SetToStrings(results.(map[string]bool)), nil
}
results, err := srv.repository.GetEntitySetByUser(entityType, user)
if err != nil {
return nil, err
}
filtered := make([]string, 0, len(results))
for _, r := range results {
if strings.TrimSpace(r) != "" {
filtered = append(filtered, r)
}
}
srv.cache.Set(cacheKey, utils.StringsToSet(filtered), cache.DefaultExpiration)
return filtered, nil
}
func (srv *HeartbeatService) DeleteBefore(t time.Time) error {
return srv.repository.DeleteBefore(t)
}
func (srv *HeartbeatService) augmented(heartbeats []*models.Heartbeat, userId string) ([]*models.Heartbeat, error) {
languageMapping, err := srv.languageMappingSrvc.ResolveByUser(userId)
if err != nil {
return nil, err
}
for i := range heartbeats {
heartbeats[i].Augment(languageMapping)
}
return heartbeats, nil
}
func (srv *HeartbeatService) getEntityUserCacheKey(entityType uint8, user *models.User) string {
return fmt.Sprintf("entity_set_%d_%s", entityType, user.ID)
}
func (srv *HeartbeatService) updateEntityUserCache(entityType uint8, entityKey string, user *models.User) {
cacheKey := srv.getEntityUserCacheKey(entityType, user)
if entities, found := srv.cache.Get(cacheKey); found {
if _, ok := entities.(map[string]bool)[entityKey]; !ok {
// new project / language / ..., which is not yet present in cache, arrived as part of a heartbeats
// -> invalidate cache
srv.cache.Delete(cacheKey)
}
}
}
func (srv *HeartbeatService) updateEntityUserCacheByHeartbeat(hb *models.Heartbeat) {
srv.updateEntityUserCache(models.SummaryProject, hb.Project, hb.User)
srv.updateEntityUserCache(models.SummaryLanguage, hb.Language, hb.User)
srv.updateEntityUserCache(models.SummaryEditor, hb.Editor, hb.User)
srv.updateEntityUserCache(models.SummaryOS, hb.OperatingSystem, hb.User)
srv.updateEntityUserCache(models.SummaryMachine, hb.Machine, hb.User)
}