data layer

data-layer/api/internal/service/profile_service.go

@@ -0,0 +1,66 @@
+package service
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/dbiz/cdp/data-layer/api/internal/apperr"
+	"github.com/dbiz/cdp/data-layer/api/internal/cache"
+	"github.com/dbiz/cdp/data-layer/api/internal/model"
+	"github.com/dbiz/cdp/data-layer/api/internal/repo"
+)
+
+type ProfileService struct {
+	profiles   *repo.ProfileRepo
+	events     *repo.EventRepo
+	cache      *cache.Cache
+	profileTTL time.Duration
+	log        *zap.Logger
+}
+
+func NewProfileService(p *repo.ProfileRepo, e *repo.EventRepo, c *cache.Cache, profileTTL time.Duration, log *zap.Logger) *ProfileService {
+	return &ProfileService{profiles: p, events: e, cache: c, profileTTL: profileTTL, log: log}
+}
+
+func (s *ProfileService) Get(ctx context.Context, workspaceID, profileID string) (*model.Profile, error) {
+	key, err := cache.Key("profile", workspaceID, profileID)
+	if err != nil {
+		return nil, apperr.Internal(err)
+	}
+	if b, ok := s.cache.Get(ctx, key); ok {
+		var p model.Profile
+		if jerr := json.Unmarshal(b, &p); jerr == nil {
+			return &p, nil
+		}
+	}
+	p, err := s.profiles.GetByID(ctx, workspaceID, profileID)
+	if err != nil {
+		return nil, err
+	}
+	if b, jerr := json.Marshal(p); jerr == nil {
+		if cerr := s.cache.Set(ctx, key, b, s.profileTTL); cerr != nil {
+			s.log.Warn("cache set", zap.String("key", key), zap.Error(cerr))
+		}
+	}
+	return p, nil
+}
+
+func (s *ProfileService) Timeline(ctx context.Context, workspaceID, profileID string, limit, offset int) (*model.QueryResult, error) {
+	uid, err := s.profiles.GetUserIDForProfile(ctx, workspaceID, profileID)
+	if err != nil {
+		return nil, err
+	}
+	if uid == "" {
+		return nil, apperr.NotFound("profile has no user_id and cannot be timelined")
+	}
+	start := time.Now()
+	res, err := s.events.QueryProfileTimeline(ctx, workspaceID, uid, limit, offset)
+	if err != nil {
+		return nil, apperr.Internal(err)
+	}
+	res.DurationMS = time.Since(start).Milliseconds()
+	return res, nil
+}