chain of responsibilities

backend/domain/factory/instance.go

@@ -0,0 +1,21 @@
+package factory
+
+import (
+	"context"
+
+	"github.com/zitadel/zitadel/backend/repository"
+	"github.com/zitadel/zitadel/backend/storage/database"
+	"github.com/zitadel/zitadel/backend/telemetry/logging"
+	"github.com/zitadel/zitadel/backend/telemetry/tracing"
+)
+
+type InstanceBuilder struct {
+	tracer *tracing.Tracer
+	logger *logging.Logger
+}
+
+func (f *InstanceBuilder) BuildSetUpInstance(tx database.Transaction) func(ctx context.Context, instance *repository.Instance) error {
+	return func(ctx context.Context, instance *repository.Instance) error {
+		return tx.Exec(ctx, "INSERT INTO instances (id, name) VALUES ($1, $2)", instance.ID, instance.Name)
+	}
+}

backend/domain/instance.go

@@ -2,27 +2,27 @@ package domain
 
 import (
 	"context"
-	"log/slog"
 
+	"github.com/zitadel/zitadel/backend/repository"
+	"github.com/zitadel/zitadel/backend/repository/cache"
+	"github.com/zitadel/zitadel/backend/repository/event"
+	"github.com/zitadel/zitadel/backend/repository/sql"
+	"github.com/zitadel/zitadel/backend/repository/telemetry/logged"
+	"github.com/zitadel/zitadel/backend/repository/telemetry/traced"
 	"github.com/zitadel/zitadel/backend/storage/database"
 	"github.com/zitadel/zitadel/backend/storage/eventstore"
-	"github.com/zitadel/zitadel/backend/storage/repository"
+	"github.com/zitadel/zitadel/backend/telemetry/logging"
-	"github.com/zitadel/zitadel/backend/storage/repository/cache"
-	"github.com/zitadel/zitadel/backend/storage/repository/event"
-	"github.com/zitadel/zitadel/backend/storage/repository/sql"
-	"github.com/zitadel/zitadel/backend/storage/repository/telemetry/logged"
-	"github.com/zitadel/zitadel/backend/storage/repository/telemetry/traced"
 	"github.com/zitadel/zitadel/backend/telemetry/tracing"
 )
 
 type Instance struct {
 	db     database.Pool
 	tracer *tracing.Tracer
-	logger *slog.Logger
+	logger *logging.Logger
 	cache  *cache.Instance
 }
 
-func NewInstance(db database.Pool, tracer *tracing.Tracer, logger *slog.Logger) *Instance {
+func NewInstance(db database.Pool, tracer *tracing.Tracer, logger *logging.Logger) *Instance {
 	b := &Instance{
 		db:     db,
 		tracer: tracer,

backend/domain/user.go

@@ -1,13 +1,13 @@
 package domain
 
 import (
+	"github.com/zitadel/zitadel/backend/repository"
+	"github.com/zitadel/zitadel/backend/repository/event"
+	"github.com/zitadel/zitadel/backend/repository/sql"
+	"github.com/zitadel/zitadel/backend/repository/telemetry/logged"
+	"github.com/zitadel/zitadel/backend/repository/telemetry/traced"
 	"github.com/zitadel/zitadel/backend/storage/database"
 	"github.com/zitadel/zitadel/backend/storage/eventstore"
-	"github.com/zitadel/zitadel/backend/storage/repository"
-	"github.com/zitadel/zitadel/backend/storage/repository/event"
-	"github.com/zitadel/zitadel/backend/storage/repository/sql"
-	"github.com/zitadel/zitadel/backend/storage/repository/telemetry/logged"
-	"github.com/zitadel/zitadel/backend/storage/repository/telemetry/traced"
 )
 
 func (b *Instance) userCommandRepo(tx database.Transaction) repository.UserRepository {

backend/repository/cache/instance.go

@@ -4,8 +4,8 @@ import (
 	"context"
 	"sync"
 
+	"github.com/zitadel/zitadel/backend/repository"
 	"github.com/zitadel/zitadel/backend/storage/cache"
-	"github.com/zitadel/zitadel/backend/storage/repository"
 )
 
 type Instance struct {

backend/repository/cache/user.go

@@ -3,8 +3,8 @@ package cache
 import (
 	"context"
 
+	"github.com/zitadel/zitadel/backend/repository"
 	"github.com/zitadel/zitadel/backend/storage/cache"
-	"github.com/zitadel/zitadel/backend/storage/repository"
 )
 
 type User struct {

backend/repository/event/instance.go

@@ -3,8 +3,8 @@ package event
 import (
 	"context"
 
+	"github.com/zitadel/zitadel/backend/repository"
 	"github.com/zitadel/zitadel/backend/storage/eventstore"
-	"github.com/zitadel/zitadel/backend/storage/repository"
 )
 
 var _ repository.InstanceRepository = (*Instance)(nil)

backend/repository/event/user.go

@@ -3,8 +3,8 @@ package event
 import (
 	"context"
 
+	"github.com/zitadel/zitadel/backend/repository"
 	"github.com/zitadel/zitadel/backend/storage/eventstore"
-	"github.com/zitadel/zitadel/backend/storage/repository"
 )
 
 var _ repository.UserRepository = (*User)(nil)

backend/repository/handler.go

@@ -0,0 +1,5 @@
+package repository
+
+type Handler interface {
+	SetNext(next Handler) Handler
+}

backend/repository/instance.go

@@ -3,12 +3,28 @@ package repository
 import "context"
 
 type InstanceRepository interface {
-	SetUp(ctx context.Context, instance *Instance) error
+	InstanceSetuper
-	ByID(ctx context.Context, id string) (*Instance, error)
+	instanceByIDQuerier
-	ByDomain(ctx context.Context, domain string) (*Instance, error)
+	instanceByDomainQuerier
 }
 
 type Instance struct {
 	ID   string
 	Name string
 }
+
+type InstanceSetuper interface {
+	SetUp(ctx context.Context, instance *Instance) error
+}
+
+type instanceByIDQuerier interface {
+	ByID(ctx context.Context, id string) (*Instance, error)
+}
+
+type instanceByDomainQuerier interface {
+	ByDomain(ctx context.Context, domain string) (*Instance, error)
+}
+
+type InstanceLister interface {
+	List(ctx context.Context) ([]*Instance, error)
+}

backend/repository/sql/instance.go

@@ -3,8 +3,8 @@ package sql
 import (
 	"context"
 
+	"github.com/zitadel/zitadel/backend/repository"
 	"github.com/zitadel/zitadel/backend/storage/database"
-	"github.com/zitadel/zitadel/backend/storage/repository"
 )
 
 func NewInstance(client database.QueryExecutor) repository.InstanceRepository {

backend/repository/sql/user.go

@@ -3,8 +3,8 @@ package sql
 import (
 	"context"
 
+	"github.com/zitadel/zitadel/backend/repository"
 	"github.com/zitadel/zitadel/backend/storage/database"
-	"github.com/zitadel/zitadel/backend/storage/repository"
 )
 
 func NewUser(client database.QueryExecutor) repository.UserRepository {

backend/repository/telemetry/logged/instance.go

@@ -4,16 +4,17 @@ import (
 	"context"
 	"log/slog"
 
-	"github.com/zitadel/zitadel/backend/storage/repository"
+	"github.com/zitadel/zitadel/backend/repository"
+	"github.com/zitadel/zitadel/backend/telemetry/logging"
 )
 
 type Instance struct {
-	*slog.Logger
+	*logging.Logger
 
 	next repository.InstanceRepository
 }
 
-func NewInstance(logger *slog.Logger, next repository.InstanceRepository) *Instance {
+func NewInstance(logger *logging.Logger, next repository.InstanceRepository) *Instance {
 	return &Instance{Logger: logger, next: next}
 }
 

backend/repository/telemetry/logged/user.go

@@ -4,32 +4,33 @@ import (
 	"context"
 	"log/slog"
 
-	"github.com/zitadel/zitadel/backend/storage/repository"
+	"github.com/zitadel/zitadel/backend/repository"
+	"github.com/zitadel/zitadel/backend/telemetry/logging"
 )
 
 type User struct {
-	*slog.Logger
+	logger *logging.Logger
 
 	next repository.UserRepository
 }
 
-func NewUser(logger *slog.Logger, next repository.UserRepository) *User {
+func NewUser(logger *logging.Logger, next repository.UserRepository) *User {
-	return &User{Logger: logger, next: next}
+	return &User{logger: logger, next: next}
 }
 
 var _ repository.UserRepository = (*User)(nil)
 
 func (i *User) ByID(ctx context.Context, id string) (*repository.User, error) {
-	i.Logger.InfoContext(ctx, "By ID Query", slog.String("id", id))
+	i.logger.InfoContext(ctx, "By ID Query", slog.String("id", id))
 	return i.next.ByID(ctx, id)
 }
 
 func (i *User) Create(ctx context.Context, user *repository.User) error {
 	err := i.next.Create(ctx, user)
 	if err != nil {
-		i.Logger.ErrorContext(ctx, "Failed to create user", slog.Any("user", user), slog.Any("cause", err))
+		i.logger.ErrorContext(ctx, "Failed to create user", slog.Any("user", user), slog.Any("cause", err))
 		return err
 	}
-	i.Logger.InfoContext(ctx, "User created successfully", slog.Any("user", user))
+	i.logger.InfoContext(ctx, "User created successfully", slog.Any("user", user))
 	return nil
 }

backend/repository/telemetry/traced/instance.go

@@ -3,7 +3,7 @@ package traced
 import (
 	"context"
 
-	"github.com/zitadel/zitadel/backend/storage/repository"
+	"github.com/zitadel/zitadel/backend/repository"
 	"github.com/zitadel/zitadel/backend/telemetry/tracing"
 )
 

backend/repository/telemetry/traced/user.go

@@ -3,7 +3,7 @@ package traced
 import (
 	"context"
 
-	"github.com/zitadel/zitadel/backend/storage/repository"
+	"github.com/zitadel/zitadel/backend/repository"
 	"github.com/zitadel/zitadel/backend/telemetry/tracing"
 )
 

backend/telemetry/logging/logger.go

@@ -0,0 +1,7 @@
+package logging
+
+import "log/slog"
+
+type Logger struct {
+	*slog.Logger
+}