Implement DeleteOauthAuth API and refactor source deletion logic

models/auth/source.go

@@ -235,13 +235,18 @@ func CreateSource(ctx context.Context, source *Source) error {
 	err = registerableSource.RegisterSource()
 	if err != nil {
 		// remove the AuthSource in case of errors while registering configuration
-		if _, err := db.GetEngine(ctx).ID(source.ID).Delete(new(Source)); err != nil {
+		if err := DeleteSource(ctx, source.ID); err != nil {
 			log.Error("CreateSource: Error while wrapOpenIDConnectInitializeError: %v", err)
 		}
 	}
 	return err
 }
 
+func DeleteSource(ctx context.Context, id int64) error {
+	_, err := db.GetEngine(ctx).ID(id).Delete(new(Source))
+	return err
+}
+
 type FindSourcesOptions struct {
 	db.ListOptions
 	IsActive  optional.Option[bool]

routers/api/v1/admin/auth_oauth.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"net/http"
 	"net/url"
+	"strconv"
 
 	auth_model "code.gitea.io/gitea/models/auth"
 	api "code.gitea.io/gitea/modules/structs"
@@ -74,6 +75,20 @@ func EditOauthAuth(ctx *context.APIContext) {
 
 // DeleteOauthAuth api for deleting a authentication method
 func DeleteOauthAuth(ctx *context.APIContext) {
+	oauthIdString := ctx.PathParam("id")
+	oauthID, oauthIdErr := strconv.Atoi(oauthIdString)
+	if oauthIdErr != nil {
+		ctx.APIErrorInternal(oauthIdErr)
+	}
+
+	err := auth_model.DeleteSource(ctx, int64(oauthID))
+
+	if err != nil {
+		ctx.APIErrorInternal(err)
+		return
+	}
+
+	ctx.Status(http.StatusOK)
 }
 
 // // SearchOauthAuth API for getting information of the configured authentication methods according the filter conditions

routers/api/v1/api.go

@@ -1650,8 +1650,11 @@ func Routes() *web.Router {
 
 		m.Group("/admin", func() {
 			m.Group("/identity-auth", func() {
-				m.Get("", admin.SearchOauthAuth)
-				m.Post("/new", admin.CreateOauthAuth)
+				m.Group("oauth", func() {
+					m.Get("", admin.SearchOauthAuth)
+					m.Delete("/{id}", admin.DeleteOauthAuth)
+					m.Post("/new", admin.CreateOauthAuth)
+				})
 			})
 
 			m.Group("/cron", func() {