Move EmailAddress & UserRedirect into models/user/ (#17607)

* Move EmailAddress into models/user/

* Fix test

* rename user_mail to user_email

* Fix test

* Move UserRedirect into models/user/

* Fix lint & test

* Fix lint

* Fix lint

* remove nolint comment

* Fix lint

models/user_email_test.go

@@ -0,0 +1,136 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package models
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models/db"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/util"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMakeEmailPrimary(t *testing.T) {
+	assert.NoError(t, db.PrepareTestDatabase())
+
+	email := &user_model.EmailAddress{
+		Email: "user567890@example.com",
+	}
+	err := MakeEmailPrimary(email)
+	assert.Error(t, err)
+	assert.EqualError(t, err, user_model.ErrEmailAddressNotExist{Email: email.Email}.Error())
+
+	email = &user_model.EmailAddress{
+		Email: "user11@example.com",
+	}
+	err = MakeEmailPrimary(email)
+	assert.Error(t, err)
+	assert.EqualError(t, err, user_model.ErrEmailNotActivated.Error())
+
+	email = &user_model.EmailAddress{
+		Email: "user9999999@example.com",
+	}
+	err = MakeEmailPrimary(email)
+	assert.Error(t, err)
+	assert.True(t, IsErrUserNotExist(err))
+
+	email = &user_model.EmailAddress{
+		Email: "user101@example.com",
+	}
+	err = MakeEmailPrimary(email)
+	assert.NoError(t, err)
+
+	user, _ := GetUserByID(int64(10))
+	assert.Equal(t, "user101@example.com", user.Email)
+}
+
+func TestActivate(t *testing.T) {
+	assert.NoError(t, db.PrepareTestDatabase())
+
+	email := &user_model.EmailAddress{
+		ID:    int64(1),
+		UID:   int64(1),
+		Email: "user11@example.com",
+	}
+	assert.NoError(t, ActivateEmail(email))
+
+	emails, _ := user_model.GetEmailAddresses(int64(1))
+	assert.Len(t, emails, 3)
+	assert.True(t, emails[0].IsActivated)
+	assert.True(t, emails[0].IsPrimary)
+	assert.False(t, emails[1].IsPrimary)
+	assert.True(t, emails[2].IsActivated)
+	assert.False(t, emails[2].IsPrimary)
+}
+
+func TestListEmails(t *testing.T) {
+	assert.NoError(t, db.PrepareTestDatabase())
+
+	// Must find all users and their emails
+	opts := &SearchEmailOptions{
+		ListOptions: db.ListOptions{
+			PageSize: 10000,
+		},
+	}
+	emails, count, err := SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.NotEqual(t, int64(0), count)
+	assert.True(t, count > 5)
+
+	contains := func(match func(s *SearchEmailResult) bool) bool {
+		for _, v := range emails {
+			if match(v) {
+				return true
+			}
+		}
+		return false
+	}
+
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return s.UID == 18 }))
+	// 'user3' is an organization
+	assert.False(t, contains(func(s *SearchEmailResult) bool { return s.UID == 3 }))
+
+	// Must find no records
+	opts = &SearchEmailOptions{Keyword: "NOTFOUND"}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.Equal(t, int64(0), count)
+
+	// Must find users 'user2', 'user28', etc.
+	opts = &SearchEmailOptions{Keyword: "user2"}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.NotEqual(t, int64(0), count)
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return s.UID == 2 }))
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return s.UID == 27 }))
+
+	// Must find only primary addresses (i.e. from the `user` table)
+	opts = &SearchEmailOptions{IsPrimary: util.OptionalBoolTrue}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return s.IsPrimary }))
+	assert.False(t, contains(func(s *SearchEmailResult) bool { return !s.IsPrimary }))
+
+	// Must find only inactive addresses (i.e. not validated)
+	opts = &SearchEmailOptions{IsActivated: util.OptionalBoolFalse}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return !s.IsActivated }))
+	assert.False(t, contains(func(s *SearchEmailResult) bool { return s.IsActivated }))
+
+	// Must find more than one page, but retrieve only one
+	opts = &SearchEmailOptions{
+		ListOptions: db.ListOptions{
+			PageSize: 5,
+			Page:     1,
+		},
+	}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.Len(t, emails, 5)
+	assert.Greater(t, count, int64(len(emails)))
+}