Fix degrading landing performance

Extracted relationship fetch calls from getDetails to separate
methods for a more granular control of amount of retrieved data.
This could be improved with proper usage of relations, but this
is out of scope of the issue in question.

controllers/api/campaign.go

@@ -21,6 +21,32 @@ func (as *Server) Campaigns(w http.ResponseWriter, r *http.Request) {
 		if err != nil {
 			log.Error(err)
 		}
+		for i := range cs {
+			err = cs[i].FetchEvents()
+			if err != nil {
+				log.Error(err)
+			}
+
+			err = cs[i].FetchPage()
+			if err != nil {
+				log.Error(err)
+			}
+
+			err = cs[i].FetchResults()
+			if err != nil {
+				log.Error(err)
+			}
+
+			err = cs[i].FetchSMTP()
+			if err != nil {
+				log.Error(err)
+			}
+
+			err = cs[i].FetchTemplate()
+			if err != nil {
+				log.Error(err)
+			}
+		}
 		JSONResponse(w, cs, http.StatusOK)
 	//POST: Create a new campaign and return it as JSON
 	case r.Method == "POST":
@@ -70,8 +96,34 @@ func (as *Server) Campaign(w http.ResponseWriter, r *http.Request) {
 		JSONResponse(w, models.Response{Success: false, Message: "Campaign not found"}, http.StatusNotFound)
 		return
 	}
+
 	switch {
 	case r.Method == "GET":
+		err = c.FetchEvents()
+		if err != nil {
+			log.Error(err)
+		}
+
+		err = c.FetchPage()
+		if err != nil {
+			log.Error(err)
+		}
+
+		err = c.FetchResults()
+		if err != nil {
+			log.Error(err)
+		}
+
+		err = c.FetchSMTP()
+		if err != nil {
+			log.Error(err)
+		}
+
+		err = c.FetchTemplate()
+		if err != nil {
+			log.Error(err)
+		}
+
 		JSONResponse(w, c, http.StatusOK)
 	case r.Method == "DELETE":
 		err = models.DeleteCampaign(id)

controllers/phish_test.go

@@ -24,6 +24,27 @@ func getFirstCampaign(t *testing.T) models.Campaign {
 
 func getFirstEmailRequest(t *testing.T) models.EmailRequest {
 	campaign := getFirstCampaign(t)
+
+	err := campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
+	err = campaign.FetchPage()
+	if err != nil {
+		t.Fatalf("error fetching page received. expected %v got %v", nil, err)
+	}
+
+	err = campaign.FetchTemplate()
+	if err != nil {
+		t.Fatalf("error fetching page received. expected %v got %v", nil, err)
+	}
+
+	err = campaign.FetchSMTP()
+	if err != nil {
+		t.Fatalf("error fetching page received. expected %v got %v", nil, err)
+	}
+
 	req := models.EmailRequest{
 		TemplateId:    campaign.TemplateId,
 		Template:      campaign.Template,
@@ -35,7 +56,7 @@ func getFirstEmailRequest(t *testing.T) models.EmailRequest {
 		SMTP:          campaign.SMTP,
 		FromAddress:   campaign.SMTP.FromAddress,
 	}
-	err := models.PostEmailRequest(&req)
+	err = models.PostEmailRequest(&req)
 	if err != nil {
 		t.Fatalf("error creating email request: %v", err)
 	}
@@ -156,6 +177,12 @@ func TestOpenedPhishingEmail(t *testing.T) {
 	ctx := setupTest(t)
 	defer tearDown(t, ctx)
 	campaign := getFirstCampaign(t)
+
+	err := campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
 	result := campaign.Results[0]
 	if result.Status != models.StatusSending {
 		t.Fatalf("unexpected result status received. expected %s got %s", models.StatusSending, result.Status)
@@ -164,6 +191,17 @@ func TestOpenedPhishingEmail(t *testing.T) {
 	openEmail(t, ctx, result.RId)
 
 	campaign = getFirstCampaign(t)
+
+	err = campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
+	err = campaign.FetchEvents()
+	if err != nil {
+		t.Fatalf("error fetching events received. expected %v got %v", nil, err)
+	}
+
 	result = campaign.Results[0]
 	lastEvent := campaign.Events[len(campaign.Events)-1]
 	if result.Status != models.EventOpened {
@@ -181,6 +219,12 @@ func TestReportedPhishingEmail(t *testing.T) {
 	ctx := setupTest(t)
 	defer tearDown(t, ctx)
 	campaign := getFirstCampaign(t)
+
+	err := campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
 	result := campaign.Results[0]
 	if result.Status != models.StatusSending {
 		t.Fatalf("unexpected result status received. expected %s got %s", models.StatusSending, result.Status)
@@ -189,7 +233,19 @@ func TestReportedPhishingEmail(t *testing.T) {
 	reportedEmail(t, ctx, result.RId)
 
 	campaign = getFirstCampaign(t)
+
+	err = campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
 	result = campaign.Results[0]
+
+	err = campaign.FetchEvents()
+	if err != nil {
+		t.Fatalf("error fetching events received. expected %v got %v", nil, err)
+	}
+
 	lastEvent := campaign.Events[len(campaign.Events)-1]
 
 	if result.Reported != true {
@@ -207,16 +263,39 @@ func TestClickedPhishingLinkAfterOpen(t *testing.T) {
 	ctx := setupTest(t)
 	defer tearDown(t, ctx)
 	campaign := getFirstCampaign(t)
+
+	err := campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
 	result := campaign.Results[0]
 	if result.Status != models.StatusSending {
 		t.Fatalf("unexpected result status received. expected %s got %s", models.StatusSending, result.Status)
 	}
 
+	err = campaign.FetchPage()
+	if err != nil {
+		t.Fatalf("error fetching page received. expected %v got %v", nil, err)
+	}
+
 	openEmail(t, ctx, result.RId)
 	clickLink(t, ctx, result.RId, campaign.Page.HTML)
 
 	campaign = getFirstCampaign(t)
+
+	err = campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
 	result = campaign.Results[0]
+
+	err = campaign.FetchEvents()
+	if err != nil {
+		t.Fatalf("error fetching events received. expected %v got %v", nil, err)
+	}
+
 	lastEvent := campaign.Events[len(campaign.Events)-1]
 	if result.Status != models.EventClicked {
 		t.Fatalf("unexpected result status received. expected %s got %s", models.EventClicked, result.Status)
@@ -265,6 +344,12 @@ func TestCompletedCampaignClick(t *testing.T) {
 	ctx := setupTest(t)
 	defer tearDown(t, ctx)
 	campaign := getFirstCampaign(t)
+
+	err := campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
 	result := campaign.Results[0]
 	if result.Status != models.StatusSending {
 		t.Fatalf("unexpected result status received. expected %s got %s", models.StatusSending, result.Status)
@@ -273,6 +358,12 @@ func TestCompletedCampaignClick(t *testing.T) {
 	openEmail(t, ctx, result.RId)
 
 	campaign = getFirstCampaign(t)
+
+	err = campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
 	result = campaign.Results[0]
 	if result.Status != models.EventOpened {
 		t.Fatalf("unexpected result status received. expected %s got %s", models.EventOpened, result.Status)
@@ -283,6 +374,12 @@ func TestCompletedCampaignClick(t *testing.T) {
 	clickLink404(t, ctx, result.RId)
 
 	campaign = getFirstCampaign(t)
+
+	err = campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
 	result = campaign.Results[0]
 	if result.Status != models.EventOpened {
 		t.Fatalf("unexpected result status received. expected %s got %s", models.EventOpened, result.Status)
@@ -348,6 +445,12 @@ func TestTransparencyRequest(t *testing.T) {
 	ctx := setupTest(t)
 	defer tearDown(t, ctx)
 	campaign := getFirstCampaign(t)
+
+	err := campaign.FetchResults()
+	if err != nil {
+		t.Fatalf("error fetching results received. expected %v got %v", nil, err)
+	}
+
 	result := campaign.Results[0]
 	rid := fmt.Sprintf("%s%s", result.RId, TransparencySuffix)
 	transparencyRequest(t, ctx, result, rid, "/")

models/campaign.go

@@ -176,59 +176,73 @@ func AddEvent(e *Event, campaignID int64) error {
 	return db.Save(e).Error
 }
 
-// getDetails retrieves the related attributes of the campaign
-// from the database. If the Events and the Results are not available,
-// an error is returned. Otherwise, the attribute name is set to [Deleted],
-// indicating the user deleted the attribute (template, smtp, etc.)
-func (c *Campaign) getDetails() error {
+// FetchEvents retrieves the related Events attribute of the campaign.
+// If the Events are not available, an error is returned.
+func (c *Campaign) FetchEvents() error {
+	err := db.Model(c).Related(&c.Events).Error
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// FetchResults retrieves the related Results attribute of the campaign.
+// If the Results are not available, an error is returned.
+func (c *Campaign) FetchResults() error {
 	err := db.Model(c).Related(&c.Results).Error
 	if err != nil {
-		log.Warnf("%s: results not found for campaign", err)
 		return err
 	}
-	err = db.Model(c).Related(&c.Events).Error
-	if err != nil {
-		log.Warnf("%s: events not found for campaign", err)
-		return err
-	}
-	err = db.Table("templates").Where("id=?", c.TemplateId).Find(&c.Template).Error
-	if err != nil {
-		if err != gorm.ErrRecordNotFound {
-			return err
-		}
-		c.Template = Template{Name: "[Deleted]"}
-		log.Warnf("%s: template not found for campaign", err)
-	}
-	err = db.Where("template_id=?", c.Template.Id).Find(&c.Template.Attachments).Error
-	if err != nil && err != gorm.ErrRecordNotFound {
-		log.Warn(err)
-		return err
-	}
-	err = db.Table("pages").Where("id=?", c.PageId).Find(&c.Page).Error
-	if err != nil {
-		if err != gorm.ErrRecordNotFound {
-			return err
-		}
-		c.Page = Page{Name: "[Deleted]"}
-		log.Warnf("%s: page not found for campaign", err)
-	}
-	err = db.Table("smtp").Where("id=?", c.SMTPId).Find(&c.SMTP).Error
+	return nil
+}
+
+// FetchSMTP retrieves the related SMTP attribute of the campaign.
+// If SMTP is not available, the attribute name is set to [Deleted],
+// indicating the user deleted the attribute.
+func (c *Campaign) FetchSMTP() error {
+	err := db.Table("smtp").Where("id=?", c.SMTPId).Find(&c.SMTP).Error
 	if err != nil {
 		// Check if the SMTP was deleted
 		if err != gorm.ErrRecordNotFound {
 			return err
 		}
 		c.SMTP = SMTP{Name: "[Deleted]"}
-		log.Warnf("%s: sending profile not found for campaign", err)
 	}
 	err = db.Where("smtp_id=?", c.SMTP.Id).Find(&c.SMTP.Headers).Error
 	if err != nil && err != gorm.ErrRecordNotFound {
-		log.Warn(err)
 		return err
 	}
 	return nil
 }
 
+// FetchTemplate retrieves the related Template attribute of the campaign.
+// If SMTP is not available, the attribute name is set to [Deleted],
+// indicating the user deleted the attribute.
+func (c *Campaign) FetchTemplate() error {
+	err := db.Table("templates").Where("id=?", c.TemplateId).Find(&c.Template).Error
+	if err != nil {
+		if err != gorm.ErrRecordNotFound {
+			return err
+		}
+		c.Template = Template{Name: "[Deleted]"}
+	}
+	return nil
+}
+
+// FetchPage retrieves the related Page attribute of the campaign.
+// If SMTP is not available, the attribute name is set to [Deleted],
+// indicating the user deleted the attribute.
+func (c *Campaign) FetchPage() error {
+	err := db.Table("pages").Where("id=?", c.PageId).Find(&c.Page).Error
+	if err != nil {
+		if err != gorm.ErrRecordNotFound {
+			return err
+		}
+		c.Page = Page{Name: "[Deleted]"}
+	}
+	return nil
+}
+
 // getBaseURL returns the Campaign's configured URL.
 // This is used to implement the TemplateContext interface.
 func (c *Campaign) getBaseURL() string {
@@ -238,6 +252,10 @@ func (c *Campaign) getBaseURL() string {
 // getFromAddress returns the Campaign's configured SMTP "From" address.
 // This is used to implement the TemplateContext interface.
 func (c *Campaign) getFromAddress() string {
+	err := c.FetchSMTP()
+	if err != nil {
+		log.Warnf("%s: sending profile not found for campaign", err)
+	}
 	return c.SMTP.FromAddress
 }
 
@@ -308,12 +326,6 @@ func GetCampaigns(uid int64) ([]Campaign, error) {
 	if err != nil {
 		log.Error(err)
 	}
-	for i := range cs {
-		err = cs[i].getDetails()
-		if err != nil {
-			log.Error(err)
-		}
-	}
 	return cs, err
 }
 
@@ -402,7 +414,6 @@ func GetCampaign(id int64, uid int64) (Campaign, error) {
 		log.Errorf("%s: campaign not found", err)
 		return c, err
 	}
-	err = c.getDetails()
 	return c, err
 }
 
@@ -439,12 +450,6 @@ func GetQueuedCampaigns(t time.Time) ([]Campaign, error) {
 		log.Error(err)
 	}
 	log.Infof("Found %d Campaigns to run\n", len(cs))
-	for i := range cs {
-		err = cs[i].getDetails()
-		if err != nil {
-			log.Error(err)
-		}
-	}
 	return cs, err
 }
 

models/campaign_test.go

@@ -121,6 +121,10 @@ func (s *ModelsSuite) TestDeleteCampaignAlsoDeletesMailLogs(c *check.C) {
 	campaign := s.createCampaign(c)
 	ms, err := GetMailLogsByCampaign(campaign.Id)
 	c.Assert(err, check.Equals, nil)
+
+	err = campaign.FetchResults()
+	c.Assert(err, check.Equals, nil)
+
 	c.Assert(len(ms), check.Equals, len(campaign.Results))
 
 	err = DeleteCampaign(campaign.Id)
@@ -135,6 +139,10 @@ func (s *ModelsSuite) TestCompleteCampaignAlsoDeletesMailLogs(c *check.C) {
 	campaign := s.createCampaign(c)
 	ms, err := GetMailLogsByCampaign(campaign.Id)
 	c.Assert(err, check.Equals, nil)
+
+	err = campaign.FetchResults()
+	c.Assert(err, check.Equals, nil)
+
 	c.Assert(len(ms), check.Equals, len(campaign.Results))
 
 	err = CompleteCampaign(campaign.Id, campaign.UserId)

models/maillog.go

@@ -160,7 +160,7 @@ func (m *MailLog) GetSmtpFrom() (string, error) {
 		return "", err
 	}
 
-	f, err := mail.ParseAddress(c.SMTP.FromAddress)
+	f, err := mail.ParseAddress(c.getFromAddress())
 	return f.Address, err
 }
 
@@ -184,7 +184,7 @@ func (m *MailLog) Generate(msg *gomail.Message) error {
 
 	f, err := mail.ParseAddress(c.Template.EnvelopeSender)
 	if err != nil {
-		f, err = mail.ParseAddress(c.SMTP.FromAddress)
+		f, err = mail.ParseAddress(c.getFromAddress())
 		if err != nil {
 			return err
 		}

models/maillog_test.go

@@ -17,9 +17,12 @@ import (
 )
 
 func (s *ModelsSuite) emailFromFirstMailLog(campaign Campaign, ch *check.C) *email.Email {
+	err := campaign.FetchResults()
+	ch.Assert(err, check.Equals, nil)
+
 	result := campaign.Results[0]
 	m := &MailLog{}
-	err := db.Where("r_id=? AND campaign_id=?", result.RId, campaign.Id).
+	err = db.Where("r_id=? AND campaign_id=?", result.RId, campaign.Id).
 		Find(m).Error
 	ch.Assert(err, check.Equals, nil)
 
@@ -65,9 +68,13 @@ func (s *ModelsSuite) TestGetQueuedMailLogs(ch *check.C) {
 
 func (s *ModelsSuite) TestMailLogBackoff(ch *check.C) {
 	campaign := s.createCampaign(ch)
+
+	err := campaign.FetchResults()
+	ch.Assert(err, check.Equals, nil)
+
 	result := campaign.Results[0]
 	m := &MailLog{}
-	err := db.Where("r_id=? AND campaign_id=?", result.RId, campaign.Id).
+	err = db.Where("r_id=? AND campaign_id=?", result.RId, campaign.Id).
 		Find(m).Error
 	ch.Assert(err, check.Equals, nil)
 	ch.Assert(m.SendAttempt, check.Equals, 0)
@@ -97,6 +104,9 @@ func (s *ModelsSuite) TestMailLogBackoff(ch *check.C) {
 	campaign, err = GetCampaign(campaign.Id, int64(1))
 	ch.Assert(err, check.Equals, nil)
 
+	err = campaign.FetchEvents()
+	ch.Assert(err, check.Equals, nil)
+
 	// We expect MaxSendAttempts + the initial campaign created event
 	ch.Assert(len(campaign.Events), check.Equals, MaxSendAttempts+1)
 
@@ -107,9 +117,13 @@ func (s *ModelsSuite) TestMailLogBackoff(ch *check.C) {
 
 func (s *ModelsSuite) TestMailLogError(ch *check.C) {
 	campaign := s.createCampaign(ch)
+
+	err := campaign.FetchResults()
+	ch.Assert(err, check.Equals, nil)
+
 	result := campaign.Results[0]
 	m := &MailLog{}
-	err := db.Where("r_id=? AND campaign_id=?", result.RId, campaign.Id).
+	err = db.Where("r_id=? AND campaign_id=?", result.RId, campaign.Id).
 		Find(m).Error
 	ch.Assert(err, check.Equals, nil)
 	ch.Assert(m.RId, check.Equals, result.RId)
@@ -130,6 +144,9 @@ func (s *ModelsSuite) TestMailLogError(ch *check.C) {
 	campaign, err = GetCampaign(campaign.Id, int64(1))
 	ch.Assert(err, check.Equals, nil)
 
+	err = campaign.FetchEvents()
+	ch.Assert(err, check.Equals, nil)
+
 	expectedEventLength := 2
 	ch.Assert(len(campaign.Events), check.Equals, expectedEventLength)
 
@@ -148,14 +165,22 @@ func (s *ModelsSuite) TestMailLogError(ch *check.C) {
 
 	ms, err := GetMailLogsByCampaign(campaign.Id)
 	ch.Assert(err, check.Equals, nil)
+
+	err = campaign.FetchResults()
+	ch.Assert(err, check.Equals, nil)
+
 	ch.Assert(len(ms), check.Equals, len(campaign.Results)-1)
 }
 
 func (s *ModelsSuite) TestMailLogSuccess(ch *check.C) {
 	campaign := s.createCampaign(ch)
+
+	err := campaign.FetchResults()
+	ch.Assert(err, check.Equals, nil)
+
 	result := campaign.Results[0]
 	m := &MailLog{}
-	err := db.Where("r_id=? AND campaign_id=?", result.RId, campaign.Id).
+	err = db.Where("r_id=? AND campaign_id=?", result.RId, campaign.Id).
 		Find(m).Error
 	ch.Assert(err, check.Equals, nil)
 	ch.Assert(m.RId, check.Equals, result.RId)
@@ -172,6 +197,9 @@ func (s *ModelsSuite) TestMailLogSuccess(ch *check.C) {
 	campaign, err = GetCampaign(campaign.Id, int64(1))
 	ch.Assert(err, check.Equals, nil)
 
+	err = campaign.FetchEvents()
+	ch.Assert(err, check.Equals, nil)
+
 	expectedEventLength := 2
 	ch.Assert(len(campaign.Events), check.Equals, expectedEventLength)
 
@@ -188,6 +216,10 @@ func (s *ModelsSuite) TestMailLogSuccess(ch *check.C) {
 
 	ms, err := GetMailLogsByCampaign(campaign.Id)
 	ch.Assert(err, check.Equals, nil)
+
+	err = campaign.FetchResults()
+	ch.Assert(err, check.Equals, nil)
+
 	ch.Assert(len(ms), check.Equals, len(campaign.Results)-1)
 }
 
@@ -249,6 +281,10 @@ func (s *ModelsSuite) TestMailLogGetSmtpFrom(ch *check.C) {
 
 func (s *ModelsSuite) TestMailLogGenerate(ch *check.C) {
 	campaign := s.createCampaign(ch)
+
+	err := campaign.FetchResults()
+	ch.Assert(err, check.Equals, nil)
+
 	result := campaign.Results[0]
 	expected := &email.Email{
 		From:    "test@test.com", // Default smtp.FromAddress