Add Visible modes function from Organisation to Users too (#16069)

You can limit or hide organisations. This pull make it also posible for users

- new strings to translte
- add checkbox to user profile form
- add checkbox to admin user.edit form
- filter explore page user search
- filter api admin and public user searches
- allow admins view "hidden" users
- add app option DEFAULT_USER_VISIBILITY
- rewrite many files to use Visibility field
- check for teams intersection
- fix context output
- right fake 404 if not visible

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Andrew Thornton <art27@cantab.net>

routers/web/admin/users_test.go

@@ -8,6 +8,8 @@ import (
 	"testing"
 
 	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/setting"
+	api "code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/test"
 	"code.gitea.io/gitea/modules/web"
 	"code.gitea.io/gitea/services/forms"
@@ -121,3 +123,82 @@ func TestNewUserPost_InvalidEmail(t *testing.T) {
 
 	assert.NotEmpty(t, ctx.Flash.ErrorMsg)
 }
+
+func TestNewUserPost_VisiblityDefaultPublic(t *testing.T) {
+
+	models.PrepareTestEnv(t)
+	ctx := test.MockContext(t, "admin/users/new")
+
+	u := models.AssertExistsAndLoadBean(t, &models.User{
+		IsAdmin: true,
+		ID:      2,
+	}).(*models.User)
+
+	ctx.User = u
+
+	username := "gitea"
+	email := "gitea@gitea.io"
+
+	form := forms.AdminCreateUserForm{
+		LoginType:          "local",
+		LoginName:          "local",
+		UserName:           username,
+		Email:              email,
+		Password:           "abc123ABC!=$",
+		SendNotify:         false,
+		MustChangePassword: false,
+	}
+
+	web.SetForm(ctx, &form)
+	NewUserPost(ctx)
+
+	assert.NotEmpty(t, ctx.Flash.SuccessMsg)
+
+	u, err := models.GetUserByName(username)
+
+	assert.NoError(t, err)
+	assert.Equal(t, username, u.Name)
+	assert.Equal(t, email, u.Email)
+	// As default user visibility
+	assert.Equal(t, setting.Service.DefaultUserVisibilityMode, u.Visibility)
+}
+
+func TestNewUserPost_VisibilityPrivate(t *testing.T) {
+
+	models.PrepareTestEnv(t)
+	ctx := test.MockContext(t, "admin/users/new")
+
+	u := models.AssertExistsAndLoadBean(t, &models.User{
+		IsAdmin: true,
+		ID:      2,
+	}).(*models.User)
+
+	ctx.User = u
+
+	username := "gitea"
+	email := "gitea@gitea.io"
+
+	form := forms.AdminCreateUserForm{
+		LoginType:          "local",
+		LoginName:          "local",
+		UserName:           username,
+		Email:              email,
+		Password:           "abc123ABC!=$",
+		SendNotify:         false,
+		MustChangePassword: false,
+		Visibility:         api.VisibleTypePrivate,
+	}
+
+	web.SetForm(ctx, &form)
+	NewUserPost(ctx)
+
+	assert.NotEmpty(t, ctx.Flash.SuccessMsg)
+
+	u, err := models.GetUserByName(username)
+
+	assert.NoError(t, err)
+	assert.Equal(t, username, u.Name)
+	assert.Equal(t, email, u.Email)
+	// As default user visibility
+	assert.True(t, u.Visibility.IsPrivate())
+}