Fix updating user visibility (go-gitea#35036)

Fix go-gitea#35030

---------

Co-authored-by: wxiaoguang <[email protected]>

Author: lunny

modules/optional/option.go

@@ -28,6 +28,13 @@ func FromPtr[T any](v *T) Option[T] {
 	return Some(*v)
 }
 
+func FromMapLookup[K comparable, V any](m map[K]V, k K) Option[V] {
+	if v, ok := m[k]; ok {
+		return Some(v)
+	}
+	return None[V]()
+}
+
 func FromNonDefault[T comparable](v T) Option[T] {
 	var zero T
 	if v == zero {

modules/optional/option_test.go

@@ -56,6 +56,12 @@ func TestOption(t *testing.T) {
 	opt3 := optional.FromNonDefault(1)
 	assert.True(t, opt3.Has())
 	assert.Equal(t, int(1), opt3.Value())
+
+	opt4 := optional.FromMapLookup(map[string]int{"a": 1}, "a")
+	assert.True(t, opt4.Has())
+	assert.Equal(t, 1, opt4.Value())
+	opt4 = optional.FromMapLookup(map[string]int{"a": 1}, "b")
+	assert.False(t, opt4.Has())
 }
 
 func Test_ParseBool(t *testing.T) {

routers/api/v1/admin/user.go

@@ -240,7 +240,7 @@ func EditUser(ctx *context.APIContext) {
 		Description:             optional.FromPtr(form.Description),
 		IsActive:                optional.FromPtr(form.Active),
 		IsAdmin:                 user_service.UpdateOptionFieldFromPtr(form.Admin),
-		Visibility:              optional.FromNonDefault(api.VisibilityModes[form.Visibility]),
+		Visibility:              optional.FromMapLookup(api.VisibilityModes, form.Visibility),
 		AllowGitHook:            optional.FromPtr(form.AllowGitHook),
 		AllowImportLocal:        optional.FromPtr(form.AllowImportLocal),
 		MaxRepoCreation:         optional.FromPtr(form.MaxRepoCreation),

routers/api/v1/org/org.go

@@ -391,7 +391,7 @@ func Edit(ctx *context.APIContext) {
 		Description:               optional.Some(form.Description),
 		Website:                   optional.Some(form.Website),
 		Location:                  optional.Some(form.Location),
-		Visibility:                optional.FromNonDefault(api.VisibilityModes[form.Visibility]),
+		Visibility:                optional.FromMapLookup(api.VisibilityModes, form.Visibility),
 		RepoAdminChangeTeamAccess: optional.FromPtr(form.RepoAdminChangeTeamAccess),
 	}
 	if err := user_service.UpdateUser(ctx, ctx.Org.Organization.AsUser(), opts); err != nil {