remove usagestats

pkg/services/login/authinfoservice/database/usagestats.go

@@ -1,57 +0,0 @@
-package database
-
-import (
-	"context"
-
-	"github.com/grafana/grafana/pkg/services/sqlstore"
-	"github.com/grafana/grafana/pkg/services/sqlstore/db"
-)
-
-type loginStats struct {
-	DuplicateUserEntries int `xorm:"duplicate_user_entries"`
-}
-
-func (s *AuthInfoStore) GetLoginStats(ctx context.Context) (loginStats, error) {
-	var stats loginStats
-	outerErr := s.sqlStore.WithDbSession(ctx, func(dbSession *sqlstore.DBSession) error {
-		rawSQL := `SELECT COUNT(*) as duplicate_user_entries FROM (` + s.DuplicateUserEntriesSQL(ctx) + `)`
-		_, err := dbSession.SQL(rawSQL).Get(&stats)
-		return err
-	})
-	if outerErr != nil {
-		return stats, outerErr
-	}
-	return stats, nil
-}
-
-func (s *AuthInfoStore) CollectLoginStats(ctx context.Context) (map[string]interface{}, error) {
-	m := map[string]interface{}{}
-
-	loginStats, err := s.GetLoginStats(ctx)
-	if err != nil {
-		s.logger.Error("Failed to get login stats", "error", err)
-		return nil, err
-	}
-
-	m["stats.users.duplicate_user_entries"] = loginStats.DuplicateUserEntries
-	if loginStats.DuplicateUserEntries > 0 {
-		m["stats.users.has_duplicate_user_entries"] = 1
-	} else {
-		m["stats.users.has_duplicate_user_entries"] = 0
-	}
-	return m, nil
-}
-
-func (s *AuthInfoStore) DuplicateUserEntriesSQL(ctx context.Context) string {
-	userDialect := db.DB.GetDialect(s.sqlStore).Quote("user")
-	// this query counts how many users have the same login or email.
-	// which might be confusing, but gives a good indication
-	// we want this query to not require too much cpu
-	sqlQuery := `SELECT
-		(SELECT login from ` + userDialect + ` WHERE (LOWER(login) = LOWER(u.login)) AND (login != u.login)) AS dup_login,
-		(SELECT email from ` + userDialect + ` WHERE (LOWER(email) = LOWER(u.email)) AND (email != u.email)) AS dup_email
-	FROM ` + userDialect + ` AS u
-	WHERE (dup_login IS NOT NULL OR dup_email IS NOT NULL)
-	`
-	return sqlQuery
-}