Add option to control repair behavior

cmd/pushbits/main.go

@@ -77,7 +77,7 @@ func main() {
 
 	setupCleanup(db, dp)
 
-	err = db.RepairChannels(dp)
+	err = db.RepairChannels(dp, &c.RepairBehavior)
 	if err != nil {
 		log.L.Fatal(err)
 	}

config.example.yml

@@ -70,3 +70,9 @@ alertmanager:
     annotationtitle: title
     # The name of the entry in the alerts annotations or labels that should be used for the message
     annotationmessage: message
+
+repairbehavior:
+    # Reset the room's name to what was initially set by PushBits.
+    resetroomname: true
+    # Reset the room's topic to what was initially set by PushBits.
+    resetroomtopic: true

internal/api/application.go

@@ -5,6 +5,7 @@ import (
 	"net/http"
 
 	"github.com/pushbits/server/internal/authentication"
+	"github.com/pushbits/server/internal/configuration"
 	"github.com/pushbits/server/internal/log"
 	"github.com/pushbits/server/internal/model"
 
@@ -104,7 +105,7 @@ func (h *ApplicationHandler) updateApplication(ctx *gin.Context, a *model.Applic
 		return err
 	}
 
-	err = h.DP.UpdateApplication(a)
+	err = h.DP.UpdateApplication(a, &configuration.RepairBehavior{ResetRoomName: true, ResetRoomTopic: true})
 	if success := SuccessOrAbort(ctx, http.StatusInternalServerError, err); !success {
 		return err
 	}

internal/api/interfaces.go

@@ -1,6 +1,7 @@
 package api
 
 import (
+	"github.com/pushbits/server/internal/configuration"
 	"github.com/pushbits/server/internal/model"
 )
 
@@ -28,7 +29,7 @@ type Database interface {
 type Dispatcher interface {
 	RegisterApplication(id uint, name, token, user string) (string, error)
 	DeregisterApplication(a *model.Application, u *model.User) error
-	UpdateApplication(a *model.Application) error
+	UpdateApplication(a *model.Application, behavior *configuration.RepairBehavior) error
 }
 
 // The CredentialsManager interface for updating credentials.

internal/configuration/configuration.go

@@ -39,6 +39,12 @@ type Alertmanager struct {
 	AnnotationMessage string `default:"message"`
 }
 
+// RepairBehavior holds information on how repair applications.
+type RepairBehavior struct {
+	ResetRoomName  bool `default:"true"`
+	ResetRoomTopic bool `default:"true"`
+}
+
 // Configuration holds values that can be configured by the user.
 type Configuration struct {
 	Debug bool `default:"false"`
@@ -60,9 +66,10 @@ type Configuration struct {
 	Security struct {
 		CheckHIBP bool `default:"false"`
 	}
-	Crypto       CryptoConfig
-	Formatting   Formatting
-	Alertmanager Alertmanager
+	Crypto         CryptoConfig
+	Formatting     Formatting
+	Alertmanager   Alertmanager
+	RepairBehavior RepairBehavior
 }
 
 func configFiles() []string {

internal/database/database.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/pushbits/server/internal/authentication/credentials"
+	"github.com/pushbits/server/internal/configuration"
 	"github.com/pushbits/server/internal/log"
 	"github.com/pushbits/server/internal/model"
 
@@ -111,7 +112,7 @@ func (d *Database) Populate(name, password, matrixID string) error {
 }
 
 // RepairChannels resets channels that have been modified by a user.
-func (d *Database) RepairChannels(dp Dispatcher) error {
+func (d *Database) RepairChannels(dp Dispatcher, behavior *configuration.RepairBehavior) error {
 	log.L.Print("Repairing application channels.")
 
 	users, err := d.GetUsers()
@@ -130,7 +131,7 @@ func (d *Database) RepairChannels(dp Dispatcher) error {
 		for _, application := range applications {
 			application := application // See https://stackoverflow.com/a/68247837
 
-			if err := dp.UpdateApplication(&application); err != nil {
+			if err := dp.UpdateApplication(&application, behavior); err != nil {
 				return err
 			}
 

internal/database/interfaces.go

@@ -1,13 +1,14 @@
 package database
 
 import (
+	"github.com/pushbits/server/internal/configuration"
 	"github.com/pushbits/server/internal/model"
 )
 
 // The Dispatcher interface for constructing and destructing channels.
 type Dispatcher interface {
 	DeregisterApplication(a *model.Application, u *model.User) error
-	UpdateApplication(a *model.Application) error
+	UpdateApplication(a *model.Application, behavior *configuration.RepairBehavior) error
 	IsOrphan(a *model.Application, u *model.User) (bool, error)
 	RepairApplication(a *model.Application, u *model.User) error
 }

internal/dispatcher/application.go

@@ -3,6 +3,7 @@ package dispatcher
 import (
 	"fmt"
 
+	"github.com/pushbits/server/internal/configuration"
 	"github.com/pushbits/server/internal/log"
 	"github.com/pushbits/server/internal/model"
 
@@ -74,23 +75,31 @@ func (d *Dispatcher) sendRoomEvent(roomID, eventType string, content interface{}
 }
 
 // UpdateApplication updates a channel for an application.
-func (d *Dispatcher) UpdateApplication(a *model.Application) error {
+func (d *Dispatcher) UpdateApplication(a *model.Application, behavior *configuration.RepairBehavior) error {
 	log.L.Printf("Updating application %s (ID %d) with Matrix ID %s.\n", a.Name, a.ID, a.MatrixID)
 
-	content := map[string]interface{}{
-		"name": a.Name,
+	if behavior.ResetRoomName {
+		content := map[string]interface{}{
+			"name": a.Name,
+		}
+
+		if err := d.sendRoomEvent(a.MatrixID, "m.room.name", content); err != nil {
+			return err
+		}
+	} else {
+		log.L.Debugf("Not reseting room name as per configuration.\n")
 	}
 
-	if err := d.sendRoomEvent(a.MatrixID, "m.room.name", content); err != nil {
-		return err
-	}
+	if behavior.ResetRoomTopic {
+		content := map[string]interface{}{
+			"topic": buildRoomTopic(a.ID),
+		}
 
-	content = map[string]interface{}{
-		"topic": buildRoomTopic(a.ID),
-	}
-
-	if err := d.sendRoomEvent(a.MatrixID, "m.room.topic", content); err != nil {
-		return err
+		if err := d.sendRoomEvent(a.MatrixID, "m.room.topic", content); err != nil {
+			return err
+		}
+	} else {
+		log.L.Debugf("Not reseting room topic as per configuration.\n")
 	}
 
 	return nil

tests/mockups/dispatcher.go

@@ -3,6 +3,7 @@ package mockups
 import (
 	"fmt"
 
+	"github.com/pushbits/server/internal/configuration"
 	"github.com/pushbits/server/internal/model"
 )
 
@@ -17,7 +18,7 @@ func (d *MockDispatcher) DeregisterApplication(a *model.Application, u *model.Us
 	return nil
 }
 
-func (d *MockDispatcher) UpdateApplication(a *model.Application) error {
+func (d *MockDispatcher) UpdateApplication(a *model.Application, behavior *configuration.RepairBehavior) error {
 	return nil
 }