Use a standalone struct name for Organization (#17632)

* Use a standalone struct name for Organization

* recover unnecessary change

* make the code readable

* Fix template failure

* Fix template failure

* Move HasMemberWithUserID to org

* Fix test

* Remove unnecessary user type check

* Fix test

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

43 files changed, 335 insertions, 259 deletions

diff --git a/models/access.go b/models/access.go
index 7bbc04bd45..500bcc1e19 100644
--- a/models/access.go
+++ b/models/access.go
@@ -254,11 +254,12 @@ func (repo *Repository) recalculateTeamAccesses(e db.Engine, ignTeamID int64) (e
 		return fmt.Errorf("refreshCollaboratorAccesses: %v", err)
 	}
 
-	if err = repo.Owner.loadTeams(e); err != nil {
+	teams, err := OrgFromUser(repo.Owner).loadTeams(e)
+	if err != nil {
 		return err
 	}
 
-	for _, t := range repo.Owner.Teams {
+	for _, t := range teams {
 		if t.ID == ignTeamID {
 			continue
 		}
diff --git a/models/action.go b/models/action.go
index 80ac3e16f8..d790cd6678 100644
--- a/models/action.go
+++ b/models/action.go
@@ -352,7 +352,7 @@ func activityQueryCondition(opts GetFeedsOptions) (builder.Cond, error) {
 	// check readable repositories by doer/actor
 	if opts.Actor == nil || !opts.Actor.IsAdmin {
 		if opts.RequestedUser.IsOrganization() {
-			env, err := opts.RequestedUser.AccessibleReposEnv(actorID)
+			env, err := OrgFromUser(opts.RequestedUser).AccessibleReposEnv(actorID)
 			if err != nil {
 				return nil, fmt.Errorf("AccessibleReposEnv: %v", err)
 			}
@@ -366,7 +366,7 @@ func activityQueryCondition(opts GetFeedsOptions) (builder.Cond, error) {
 	}
 
 	if opts.RequestedTeam != nil {
-		env := opts.RequestedUser.AccessibleTeamReposEnv(opts.RequestedTeam)
+		env := OrgFromUser(opts.RequestedUser).AccessibleTeamReposEnv(opts.RequestedTeam)
 		teamRepoIDs, err := env.RepoIDs(1, opts.RequestedUser.NumRepos)
 		if err != nil {
 			return nil, fmt.Errorf("GetTeamRepositories: %v", err)
diff --git a/models/org.go b/models/org.go
index e0b4d27245..c79af5c7bb 100644
--- a/models/org.go
+++ b/models/org.go
@@ -21,60 +21,109 @@ import (
 	"xorm.io/xorm"
 )
 
+// Organization represents an organization
+type Organization User
+
+// OrgFromUser converts user to organization
+func OrgFromUser(user *User) *Organization {
+	return (*Organization)(user)
+}
+
+// TableName represents the real table name of Organization
+func (Organization) TableName() string {
+	return "user"
+}
+
 // IsOwnedBy returns true if given user is in the owner team.
-func (org *User) IsOwnedBy(uid int64) (bool, error) {
+func (org *Organization) IsOwnedBy(uid int64) (bool, error) {
 	return IsOrganizationOwner(org.ID, uid)
 }
 
 // IsOrgMember returns true if given user is member of organization.
-func (org *User) IsOrgMember(uid int64) (bool, error) {
+func (org *Organization) IsOrgMember(uid int64) (bool, error) {
 	return IsOrganizationMember(org.ID, uid)
 }
 
 // CanCreateOrgRepo returns true if given user can create repo in organization
-func (org *User) CanCreateOrgRepo(uid int64) (bool, error) {
+func (org *Organization) CanCreateOrgRepo(uid int64) (bool, error) {
 	return CanCreateOrgRepo(org.ID, uid)
 }
 
-func (org *User) getTeam(e db.Engine, name string) (*Team, error) {
+func (org *Organization) getTeam(e db.Engine, name string) (*Team, error) {
 	return getTeam(e, org.ID, name)
 }
 
 // GetTeam returns named team of organization.
-func (org *User) GetTeam(name string) (*Team, error) {
+func (org *Organization) GetTeam(name string) (*Team, error) {
 	return org.getTeam(db.GetEngine(db.DefaultContext), name)
 }
 
-func (org *User) getOwnerTeam(e db.Engine) (*Team, error) {
+func (org *Organization) getOwnerTeam(e db.Engine) (*Team, error) {
 	return org.getTeam(e, ownerTeamName)
 }
 
 // GetOwnerTeam returns owner team of organization.
-func (org *User) GetOwnerTeam() (*Team, error) {
+func (org *Organization) GetOwnerTeam() (*Team, error) {
 	return org.getOwnerTeam(db.GetEngine(db.DefaultContext))
 }
 
-func (org *User) loadTeams(e db.Engine) error {
-	if org.Teams != nil {
-		return nil
-	}
-	return e.
+func (org *Organization) loadTeams(e db.Engine) ([]*Team, error) {
+	var teams []*Team
+	return teams, e.
 		Where("org_id=?", org.ID).
 		OrderBy("CASE WHEN name LIKE '" + ownerTeamName + "' THEN '' ELSE name END").
-		Find(&org.Teams)
+		Find(&teams)
 }
 
 // LoadTeams load teams if not loaded.
-func (org *User) LoadTeams() error {
+func (org *Organization) LoadTeams() ([]*Team, error) {
 	return org.loadTeams(db.GetEngine(db.DefaultContext))
 }
 
 // GetMembers returns all members of organization.
-func (org *User) GetMembers() (err error) {
-	org.Members, org.MembersIsPublic, err = FindOrgMembers(&FindOrgMembersOpts{
+func (org *Organization) GetMembers() (UserList, map[int64]bool, error) {
+	return FindOrgMembers(&FindOrgMembersOpts{
 		OrgID: org.ID,
 	})
-	return
+}
+
+// HasMemberWithUserID returns true if user with userID is part of the u organisation.
+func (org *Organization) HasMemberWithUserID(userID int64) bool {
+	return org.hasMemberWithUserID(db.GetEngine(db.DefaultContext), userID)
+}
+
+func (org *Organization) hasMemberWithUserID(e db.Engine, userID int64) bool {
+	isMember, err := isOrganizationMember(e, org.ID, userID)
+	if err != nil {
+		log.Error("IsOrganizationMember: %v", err)
+		return false
+	}
+	return isMember
+}
+
+// AvatarLink returns the full avatar link with http host
+func (org *Organization) AvatarLink() string {
+	return org.AsUser().AvatarLink()
+}
+
+// HTMLURL returns the organization's full link.
+func (org *Organization) HTMLURL() string {
+	return org.AsUser().HTMLURL()
+}
+
+// OrganisationLink returns the organization sub page link.
+func (org *Organization) OrganisationLink() string {
+	return org.AsUser().OrganisationLink()
+}
+
+// ShortName ellipses username to length
+func (org *Organization) ShortName(length int) string {
+	return org.AsUser().ShortName(length)
+}
+
+// HomeLink returns the user or organization home page link.
+func (org *Organization) HomeLink() string {
+	return org.AsUser().HomeLink()
 }
 
 // FindOrgMembersOpts represensts find org members conditions
@@ -115,26 +164,42 @@ func FindOrgMembers(opts *FindOrgMembersOpts) (UserList, map[int64]bool, error)
 }
 
 // AddMember adds new member to organization.
-func (org *User) AddMember(uid int64) error {
+func (org *Organization) AddMember(uid int64) error {
 	return AddOrgUser(org.ID, uid)
 }
 
 // RemoveMember removes member from organization.
-func (org *User) RemoveMember(uid int64) error {
+func (org *Organization) RemoveMember(uid int64) error {
 	return RemoveOrgUser(org.ID, uid)
 }
 
-func (org *User) removeOrgRepo(e db.Engine, repoID int64) error {
+func (org *Organization) removeOrgRepo(e db.Engine, repoID int64) error {
 	return removeOrgRepo(e, org.ID, repoID)
 }
 
 // RemoveOrgRepo removes all team-repository relations of organization.
-func (org *User) RemoveOrgRepo(repoID int64) error {
+func (org *Organization) RemoveOrgRepo(repoID int64) error {
 	return org.removeOrgRepo(db.GetEngine(db.DefaultContext), repoID)
 }
 
+// AsUser returns the org as user object
+func (org *Organization) AsUser() *User {
+	return (*User)(org)
+}
+
+// DisplayName returns full name if it's not empty,
+// returns username otherwise.
+func (org *Organization) DisplayName() string {
+	return org.AsUser().DisplayName()
+}
+
+// CustomAvatarRelativePath returns user custom avatar relative path.
+func (org *Organization) CustomAvatarRelativePath() string {
+	return org.Avatar
+}
+
 // CreateOrganization creates record of a new organization.
-func CreateOrganization(org, owner *User) (err error) {
+func CreateOrganization(org *Organization, owner *User) (err error) {
 	if !owner.CanCreateOrganization() {
 		return ErrUserNotAllowedCreateOrg{}
 	}
@@ -176,7 +241,7 @@ func CreateOrganization(org, owner *User) (err error) {
 	if err = db.Insert(ctx, org); err != nil {
 		return fmt.Errorf("insert organization: %v", err)
 	}
-	if err = org.generateRandomAvatar(db.GetEngine(ctx)); err != nil {
+	if err = org.AsUser().generateRandomAvatar(db.GetEngine(ctx)); err != nil {
 		return fmt.Errorf("generate random avatar: %v", err)
 	}
 
@@ -228,11 +293,11 @@ func CreateOrganization(org, owner *User) (err error) {
 }
 
 // GetOrgByName returns organization by given name.
-func GetOrgByName(name string) (*User, error) {
+func GetOrgByName(name string) (*Organization, error) {
 	if len(name) == 0 {
 		return nil, ErrOrgNotExist{0, name}
 	}
-	u := &User{
+	u := &Organization{
 		LowerName: strings.ToLower(name),
 		Type:      UserTypeOrganization,
 	}
@@ -249,12 +314,16 @@ func GetOrgByName(name string) (*User, error) {
 func CountOrganizations() int64 {
 	count, _ := db.GetEngine(db.DefaultContext).
 		Where("type=1").
-		Count(new(User))
+		Count(new(Organization))
 	return count
 }
 
 // DeleteOrganization deletes models associated to an organization.
-func DeleteOrganization(ctx context.Context, org *User) error {
+func DeleteOrganization(ctx context.Context, org *Organization) error {
+	if org.Type != UserTypeOrganization {
+		return fmt.Errorf("%s is a user not an organization", org.Name)
+	}
+
 	e := db.GetEngine(ctx)
 
 	if err := deleteBeans(e,
@@ -346,7 +415,7 @@ func CanCreateOrgRepo(orgID, uid int64) (bool, error) {
 }
 
 // GetOrgUserMaxAuthorizeLevel returns highest authorize level of user in an organization
-func (org *User) GetOrgUserMaxAuthorizeLevel(uid int64) (AccessMode, error) {
+func (org *Organization) GetOrgUserMaxAuthorizeLevel(uid int64) (AccessMode, error) {
 	var authorize AccessMode
 	_, err := db.GetEngine(db.DefaultContext).
 		Select("max(team.authorize)").
@@ -372,8 +441,8 @@ func getUsersWhoCanCreateOrgRepo(e db.Engine, orgID int64) ([]*User, error) {
 		And("team_user.org_id = ?", orgID).Asc("`user`.name").Find(&users)
 }
 
-func getOrgsByUserID(sess *xorm.Session, userID int64, showAll bool) ([]*User, error) {
-	orgs := make([]*User, 0, 10)
+func getOrgsByUserID(sess *xorm.Session, userID int64, showAll bool) ([]*Organization, error) {
+	orgs := make([]*Organization, 0, 10)
 	if !showAll {
 		sess.And("`org_user`.is_public=?", true)
 	}
@@ -386,14 +455,14 @@ func getOrgsByUserID(sess *xorm.Session, userID int64, showAll bool) ([]*User, e
 
 // GetOrgsByUserID returns a list of organizations that the given user ID
 // has joined.
-func GetOrgsByUserID(userID int64, showAll bool) ([]*User, error) {
+func GetOrgsByUserID(userID int64, showAll bool) ([]*Organization, error) {
 	sess := db.NewSession(db.DefaultContext)
 	defer sess.Close()
 	return getOrgsByUserID(sess, userID, showAll)
 }
 
 // MinimalOrg represents a simple orgnization with only needed columns
-type MinimalOrg = User
+type MinimalOrg = Organization
 
 // GetUserOrgsList returns one user's all orgs list
 func GetUserOrgsList(user *User) ([]*MinimalOrg, error) {
@@ -434,8 +503,8 @@ func GetUserOrgsList(user *User) ([]*MinimalOrg, error) {
 		GroupBy(groupByStr)
 
 	type OrgCount struct {
-		User     `xorm:"extends"`
-		OrgCount int
+		Organization `xorm:"extends"`
+		OrgCount     int
 	}
 
 	orgCounts := make([]*OrgCount, 0, 10)
@@ -448,8 +517,8 @@ func GetUserOrgsList(user *User) ([]*MinimalOrg, error) {
 
 	orgs := make([]*MinimalOrg, len(orgCounts))
 	for i, orgCount := range orgCounts {
-		orgCount.User.NumRepos = orgCount.OrgCount
-		orgs[i] = &orgCount.User
+		orgCount.Organization.NumRepos = orgCount.OrgCount
+		orgs[i] = &orgCount.Organization
 	}
 
 	return orgs, nil
@@ -481,20 +550,20 @@ func hasOrgOrUserVisible(e db.Engine, orgOrUser, user *User) bool {
 		return true
 	}
 
-	if (orgOrUser.Visibility == structs.VisibleTypePrivate || user.IsRestricted) && !orgOrUser.hasMemberWithUserID(e, user.ID) {
+	if (orgOrUser.Visibility == structs.VisibleTypePrivate || user.IsRestricted) && !OrgFromUser(orgOrUser).hasMemberWithUserID(e, user.ID) {
 		return false
 	}
 	return true
 }
 
 // HasOrgsVisible tells if the given user can see at least one of the orgs provided
-func HasOrgsVisible(orgs []*User, user *User) bool {
+func HasOrgsVisible(orgs []*Organization, user *User) bool {
 	if len(orgs) == 0 {
 		return false
 	}
 
 	for _, org := range orgs {
-		if HasOrgOrUserVisible(org, user) {
+		if HasOrgOrUserVisible(org.AsUser(), user) {
 			return true
 		}
 	}
@@ -622,9 +691,28 @@ func AddOrgUser(orgID, uid int64) error {
 	return sess.Commit()
 }
 
-func removeOrgUser(sess *xorm.Session, orgID, userID int64) error {
+// GetOrgByIDCtx returns the user object by given ID if exists.
+func GetOrgByIDCtx(ctx context.Context, id int64) (*Organization, error) {
+	u := new(Organization)
+	has, err := db.GetEngine(ctx).ID(id).Get(u)
+	if err != nil {
+		return nil, err
+	} else if !has {
+		return nil, ErrUserNotExist{id, "", 0}
+	}
+	return u, nil
+}
+
+// GetOrgByID returns the user object by given ID if exists.
+func GetOrgByID(id int64) (*Organization, error) {
+	return GetOrgByIDCtx(db.DefaultContext, id)
+}
+
+func removeOrgUser(ctx context.Context, orgID, userID int64) error {
 	ou := new(OrgUser)
 
+	sess := db.GetEngine(ctx)
+
 	has, err := sess.
 		Where("uid=?", userID).
 		And("org_id=?", orgID).
@@ -635,7 +723,7 @@ func removeOrgUser(sess *xorm.Session, orgID, userID int64) error {
 		return nil
 	}
 
-	org, err := getUserByID(sess, orgID)
+	org, err := GetOrgByIDCtx(ctx, orgID)
 	if err != nil {
 		return fmt.Errorf("GetUserByID [%d]: %v", orgID, err)
 	}
@@ -694,7 +782,7 @@ func removeOrgUser(sess *xorm.Session, orgID, userID int64) error {
 		return err
 	}
 	for _, t := range teams {
-		if err = removeTeamMember(sess, t, userID); err != nil {
+		if err = removeTeamMember(ctx, t, userID); err != nil {
 			return err
 		}
 	}
@@ -704,15 +792,15 @@ func removeOrgUser(sess *xorm.Session, orgID, userID int64) error {
 
 // RemoveOrgUser removes user from given organization.
 func RemoveOrgUser(orgID, userID int64) error {
-	sess := db.NewSession(db.DefaultContext)
-	defer sess.Close()
-	if err := sess.Begin(); err != nil {
+	ctx, committer, err := db.TxContext()
+	if err != nil {
 		return err
 	}
-	if err := removeOrgUser(sess, orgID, userID); err != nil {
+	defer committer.Close()
+	if err := removeOrgUser(ctx, orgID, userID); err != nil {
 		return err
 	}
-	return sess.Commit()
+	return committer.Commit()
 }
 
 func removeOrgRepo(e db.Engine, orgID, repoID int64) error {
@@ -741,7 +829,7 @@ func removeOrgRepo(e db.Engine, orgID, repoID int64) error {
 	return err
 }
 
-func (org *User) getUserTeams(e db.Engine, userID int64, cols ...string) ([]*Team, error) {
+func (org *Organization) getUserTeams(e db.Engine, userID int64, cols ...string) ([]*Team, error) {
 	teams := make([]*Team, 0, org.NumTeams)
 	return teams, e.
 		Where("`team_user`.org_id = ?", org.ID).
@@ -753,7 +841,7 @@ func (org *User) getUserTeams(e db.Engine, userID int64, cols ...string) ([]*Tea
 		Find(&teams)
 }
 
-func (org *User) getUserTeamIDs(e db.Engine, userID int64) ([]int64, error) {
+func (org *Organization) getUserTeamIDs(e db.Engine, userID int64) ([]int64, error) {
 	teamIDs := make([]int64, 0, org.NumTeams)
 	return teamIDs, e.
 		Table("team").
@@ -765,18 +853,18 @@ func (org *User) getUserTeamIDs(e db.Engine, userID int64) ([]int64, error) {
 }
 
 // TeamsWithAccessToRepo returns all teams that have given access level to the repository.
-func (org *User) TeamsWithAccessToRepo(repoID int64, mode AccessMode) ([]*Team, error) {
+func (org *Organization) TeamsWithAccessToRepo(repoID int64, mode AccessMode) ([]*Team, error) {
 	return GetTeamsWithAccessToRepo(org.ID, repoID, mode)
 }
 
 // GetUserTeamIDs returns of all team IDs of the organization that user is member of.
-func (org *User) GetUserTeamIDs(userID int64) ([]int64, error) {
+func (org *Organization) GetUserTeamIDs(userID int64) ([]int64, error) {
 	return org.getUserTeamIDs(db.GetEngine(db.DefaultContext), userID)
 }
 
 // GetUserTeams returns all teams that belong to user,
 // and that the user has joined.
-func (org *User) GetUserTeams(userID int64) ([]*Team, error) {
+func (org *Organization) GetUserTeams(userID int64) ([]*Team, error) {
 	return org.getUserTeams(db.GetEngine(db.DefaultContext), userID)
 }
 
@@ -792,7 +880,7 @@ type AccessibleReposEnvironment interface {
 }
 
 type accessibleReposEnv struct {
-	org     *User
+	org     *Organization
 	user    *User
 	team    *Team
 	teamIDs []int64
@@ -803,11 +891,11 @@ type accessibleReposEnv struct {
 
 // AccessibleReposEnv builds an AccessibleReposEnvironment for the repositories in `org`
 // that are accessible to the specified user.
-func (org *User) AccessibleReposEnv(userID int64) (AccessibleReposEnvironment, error) {
+func (org *Organization) AccessibleReposEnv(userID int64) (AccessibleReposEnvironment, error) {
 	return org.accessibleReposEnv(db.GetEngine(db.DefaultContext), userID)
 }
 
-func (org *User) accessibleReposEnv(e db.Engine, userID int64) (AccessibleReposEnvironment, error) {
+func (org *Organization) accessibleReposEnv(e db.Engine, userID int64) (AccessibleReposEnvironment, error) {
 	var user *User
 
 	if userID > 0 {
@@ -833,7 +921,7 @@ func (org *User) accessibleReposEnv(e db.Engine, userID int64) (AccessibleReposE
 
 // AccessibleTeamReposEnv an AccessibleReposEnvironment for the repositories in `org`
 // that are accessible to the specified team.
-func (org *User) AccessibleTeamReposEnv(team *Team) AccessibleReposEnvironment {
+func (org *Organization) AccessibleTeamReposEnv(team *Team) AccessibleReposEnvironment {
 	return &accessibleReposEnv{
 		org:     org,
 		team:    team,
diff --git a/models/org_team.go b/models/org_team.go
index 10178ec88a..e3ad23c111 100644
--- a/models/org_team.go
+++ b/models/org_team.go
@@ -6,6 +6,7 @@
 package models
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"sort"
@@ -17,7 +18,6 @@ import (
 	"code.gitea.io/gitea/modules/setting"
 
 	"xorm.io/builder"
-	"xorm.io/xorm"
 )
 
 const ownerTeamName = "Owners"
@@ -872,7 +872,8 @@ func AddTeamMember(team *Team, userID int64) error {
 	return sess.Commit()
 }
 
-func removeTeamMember(e *xorm.Session, team *Team, userID int64) error {
+func removeTeamMember(ctx context.Context, team *Team, userID int64) error {
+	e := db.GetEngine(ctx)
 	isMember, err := isTeamMember(e, team.OrgID, team.ID, userID)
 	if err != nil || !isMember {
 		return err
@@ -926,7 +927,7 @@ func removeTeamMember(e *xorm.Session, team *Team, userID int64) error {
 	}); err != nil {
 		return err
 	} else if count == 0 {
-		return removeOrgUser(e, team.OrgID, userID)
+		return removeOrgUser(ctx, team.OrgID, userID)
 	}
 
 	return nil
@@ -934,15 +935,15 @@ func removeTeamMember(e *xorm.Session, team *Team, userID int64) error {
 
 // RemoveTeamMember removes member from given team of given organization.
 func RemoveTeamMember(team *Team, userID int64) error {
-	sess := db.NewSession(db.DefaultContext)
-	defer sess.Close()
-	if err := sess.Begin(); err != nil {
+	ctx, committer, err := db.TxContext()
+	if err != nil {
 		return err
 	}
-	if err := removeTeamMember(sess, team, userID); err != nil {
+	defer committer.Close()
+	if err := removeTeamMember(ctx, team, userID); err != nil {
 		return err
 	}
-	return sess.Commit()
+	return committer.Commit()
 }
 
 // IsUserInTeams returns if a user in some teams
diff --git a/models/org_test.go b/models/org_test.go
index 8580702a06..10ae877458 100644
--- a/models/org_test.go
+++ b/models/org_test.go
@@ -29,7 +29,7 @@ func TestUser_IsOwnedBy(t *testing.T) {
 		{2, 2, false}, // user2 is not an organization
 		{2, 3, false},
 	} {
-		org := unittest.AssertExistsAndLoadBean(t, &User{ID: testCase.OrgID}).(*User)
+		org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: testCase.OrgID}).(*Organization)
 		isOwner, err := org.IsOwnedBy(testCase.UserID)
 		assert.NoError(t, err)
 		assert.Equal(t, testCase.ExpectedOwner, isOwner)
@@ -50,7 +50,7 @@ func TestUser_IsOrgMember(t *testing.T) {
 		{2, 2, false}, // user2 is not an organization
 		{2, 3, false},
 	} {
-		org := unittest.AssertExistsAndLoadBean(t, &User{ID: testCase.OrgID}).(*User)
+		org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: testCase.OrgID}).(*Organization)
 		isMember, err := org.IsOrgMember(testCase.UserID)
 		assert.NoError(t, err)
 		assert.Equal(t, testCase.ExpectedMember, isMember)
@@ -59,7 +59,7 @@ func TestUser_IsOrgMember(t *testing.T) {
 
 func TestUser_GetTeam(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	team, err := org.GetTeam("team1")
 	assert.NoError(t, err)
 	assert.Equal(t, org.ID, team.OrgID)
@@ -68,56 +68,58 @@ func TestUser_GetTeam(t *testing.T) {
 	_, err = org.GetTeam("does not exist")
 	assert.True(t, IsErrTeamNotExist(err))
 
-	nonOrg := unittest.AssertExistsAndLoadBean(t, &User{ID: 2}).(*User)
+	nonOrg := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 2}).(*Organization)
 	_, err = nonOrg.GetTeam("team")
 	assert.True(t, IsErrTeamNotExist(err))
 }
 
 func TestUser_GetOwnerTeam(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	team, err := org.GetOwnerTeam()
 	assert.NoError(t, err)
 	assert.Equal(t, org.ID, team.OrgID)
 
-	nonOrg := unittest.AssertExistsAndLoadBean(t, &User{ID: 2}).(*User)
+	nonOrg := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 2}).(*Organization)
 	_, err = nonOrg.GetOwnerTeam()
 	assert.True(t, IsErrTeamNotExist(err))
 }
 
 func TestUser_GetTeams(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
-	assert.NoError(t, org.LoadTeams())
-	if assert.Len(t, org.Teams, 4) {
-		assert.Equal(t, int64(1), org.Teams[0].ID)
-		assert.Equal(t, int64(2), org.Teams[1].ID)
-		assert.Equal(t, int64(12), org.Teams[2].ID)
-		assert.Equal(t, int64(7), org.Teams[3].ID)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
+	teams, err := org.LoadTeams()
+	assert.NoError(t, err)
+	if assert.Len(t, teams, 4) {
+		assert.Equal(t, int64(1), teams[0].ID)
+		assert.Equal(t, int64(2), teams[1].ID)
+		assert.Equal(t, int64(12), teams[2].ID)
+		assert.Equal(t, int64(7), teams[3].ID)
 	}
 }
 
 func TestUser_GetMembers(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
-	assert.NoError(t, org.GetMembers())
-	if assert.Len(t, org.Members, 3) {
-		assert.Equal(t, int64(2), org.Members[0].ID)
-		assert.Equal(t, int64(28), org.Members[1].ID)
-		assert.Equal(t, int64(4), org.Members[2].ID)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
+	members, _, err := org.GetMembers()
+	assert.NoError(t, err)
+	if assert.Len(t, members, 3) {
+		assert.Equal(t, int64(2), members[0].ID)
+		assert.Equal(t, int64(28), members[1].ID)
+		assert.Equal(t, int64(4), members[2].ID)
 	}
 }
 
 func TestUser_AddMember(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 
 	// add a user that is not a member
 	unittest.AssertNotExistsBean(t, &OrgUser{UID: 5, OrgID: 3})
 	prevNumMembers := org.NumMembers
 	assert.NoError(t, org.AddMember(5))
 	unittest.AssertExistsAndLoadBean(t, &OrgUser{UID: 5, OrgID: 3})
-	org = unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org = unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	assert.Equal(t, prevNumMembers+1, org.NumMembers)
 
 	// add a user that is already a member
@@ -125,7 +127,7 @@ func TestUser_AddMember(t *testing.T) {
 	prevNumMembers = org.NumMembers
 	assert.NoError(t, org.AddMember(4))
 	unittest.AssertExistsAndLoadBean(t, &OrgUser{UID: 4, OrgID: 3})
-	org = unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org = unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	assert.Equal(t, prevNumMembers, org.NumMembers)
 
 	unittest.CheckConsistencyFor(t, &User{})
@@ -133,14 +135,14 @@ func TestUser_AddMember(t *testing.T) {
 
 func TestUser_RemoveMember(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 
 	// remove a user that is a member
 	unittest.AssertExistsAndLoadBean(t, &OrgUser{UID: 4, OrgID: 3})
 	prevNumMembers := org.NumMembers
 	assert.NoError(t, org.RemoveMember(4))
 	unittest.AssertNotExistsBean(t, &OrgUser{UID: 4, OrgID: 3})
-	org = unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org = unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	assert.Equal(t, prevNumMembers-1, org.NumMembers)
 
 	// remove a user that is not a member
@@ -148,7 +150,7 @@ func TestUser_RemoveMember(t *testing.T) {
 	prevNumMembers = org.NumMembers
 	assert.NoError(t, org.RemoveMember(5))
 	unittest.AssertNotExistsBean(t, &OrgUser{UID: 5, OrgID: 3})
-	org = unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org = unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	assert.Equal(t, prevNumMembers, org.NumMembers)
 
 	unittest.CheckConsistencyFor(t, &User{}, &Team{})
@@ -156,7 +158,7 @@ func TestUser_RemoveMember(t *testing.T) {
 
 func TestUser_RemoveOrgRepo(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	repo := unittest.AssertExistsAndLoadBean(t, &Repository{OwnerID: org.ID}).(*Repository)
 
 	// remove a repo that does belong to org
@@ -183,14 +185,14 @@ func TestCreateOrganization(t *testing.T) {
 
 	owner := unittest.AssertExistsAndLoadBean(t, &User{ID: 2}).(*User)
 	const newOrgName = "neworg"
-	org := &User{
+	org := &Organization{
 		Name: newOrgName,
 	}
 
 	unittest.AssertNotExistsBean(t, &User{Name: newOrgName, Type: UserTypeOrganization})
 	assert.NoError(t, CreateOrganization(org, owner))
 	org = unittest.AssertExistsAndLoadBean(t,
-		&User{Name: newOrgName, Type: UserTypeOrganization}).(*User)
+		&Organization{Name: newOrgName, Type: UserTypeOrganization}).(*Organization)
 	ownerTeam := unittest.AssertExistsAndLoadBean(t,
 		&Team{Name: ownerTeamName, OrgID: org.ID}).(*Team)
 	unittest.AssertExistsAndLoadBean(t, &TeamUser{UID: owner.ID, TeamID: ownerTeam.ID})
@@ -203,16 +205,16 @@ func TestCreateOrganization2(t *testing.T) {
 
 	owner := unittest.AssertExistsAndLoadBean(t, &User{ID: 5}).(*User)
 	const newOrgName = "neworg"
-	org := &User{
+	org := &Organization{
 		Name: newOrgName,
 	}
 
-	unittest.AssertNotExistsBean(t, &User{Name: newOrgName, Type: UserTypeOrganization})
+	unittest.AssertNotExistsBean(t, &Organization{Name: newOrgName, Type: UserTypeOrganization})
 	err := CreateOrganization(org, owner)
 	assert.Error(t, err)
 	assert.True(t, IsErrUserNotAllowedCreateOrg(err))
-	unittest.AssertNotExistsBean(t, &User{Name: newOrgName, Type: UserTypeOrganization})
-	unittest.CheckConsistencyFor(t, &User{}, &Team{})
+	unittest.AssertNotExistsBean(t, &Organization{Name: newOrgName, Type: UserTypeOrganization})
+	unittest.CheckConsistencyFor(t, &Organization{}, &Team{})
 }
 
 func TestCreateOrganization3(t *testing.T) {
@@ -220,7 +222,7 @@ func TestCreateOrganization3(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
 	owner := unittest.AssertExistsAndLoadBean(t, &User{ID: 2}).(*User)
-	org := &User{Name: "user3"}                                // should already exist
+	org := &Organization{Name: "user3"}                        // should already exist
 	unittest.AssertExistsAndLoadBean(t, &User{Name: org.Name}) // sanity check
 	err := CreateOrganization(org, owner)
 	assert.Error(t, err)
@@ -233,10 +235,10 @@ func TestCreateOrganization4(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
 	owner := unittest.AssertExistsAndLoadBean(t, &User{ID: 2}).(*User)
-	err := CreateOrganization(&User{Name: "assets"}, owner)
+	err := CreateOrganization(&Organization{Name: "assets"}, owner)
 	assert.Error(t, err)
 	assert.True(t, IsErrNameReserved(err))
-	unittest.CheckConsistencyFor(t, &User{}, &Team{})
+	unittest.CheckConsistencyFor(t, &Organization{}, &Team{})
 }
 
 func TestGetOrgByName(t *testing.T) {
@@ -478,7 +480,7 @@ func TestRemoveOrgUser(t *testing.T) {
 
 func TestUser_GetUserTeamIDs(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	testSuccess := func(userID int64, expected []int64) {
 		teamIDs, err := org.GetUserTeamIDs(userID)
 		assert.NoError(t, err)
@@ -491,7 +493,7 @@ func TestUser_GetUserTeamIDs(t *testing.T) {
 
 func TestAccessibleReposEnv_CountRepos(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	testSuccess := func(userID, expectedCount int64) {
 		env, err := org.AccessibleReposEnv(userID)
 		assert.NoError(t, err)
@@ -505,7 +507,7 @@ func TestAccessibleReposEnv_CountRepos(t *testing.T) {
 
 func TestAccessibleReposEnv_RepoIDs(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	testSuccess := func(userID, _, pageSize int64, expectedRepoIDs []int64) {
 		env, err := org.AccessibleReposEnv(userID)
 		assert.NoError(t, err)
@@ -519,7 +521,7 @@ func TestAccessibleReposEnv_RepoIDs(t *testing.T) {
 
 func TestAccessibleReposEnv_Repos(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	testSuccess := func(userID int64, expectedRepoIDs []int64) {
 		env, err := org.AccessibleReposEnv(userID)
 		assert.NoError(t, err)
@@ -538,7 +540,7 @@ func TestAccessibleReposEnv_Repos(t *testing.T) {
 
 func TestAccessibleReposEnv_MirrorRepos(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
+	org := unittest.AssertExistsAndLoadBean(t, &Organization{ID: 3}).(*Organization)
 	testSuccess := func(userID int64, expectedRepoIDs []int64) {
 		env, err := org.AccessibleReposEnv(userID)
 		assert.NoError(t, err)
@@ -561,7 +563,7 @@ func TestHasOrgVisibleTypePublic(t *testing.T) {
 	user3 := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
 
 	const newOrgName = "test-org-public"
-	org := &User{
+	org := &Organization{
 		Name:       newOrgName,
 		Visibility: structs.VisibleTypePublic,
 	}
@@ -569,10 +571,10 @@ func TestHasOrgVisibleTypePublic(t *testing.T) {
 	unittest.AssertNotExistsBean(t, &User{Name: org.Name, Type: UserTypeOrganization})
 	assert.NoError(t, CreateOrganization(org, owner))
 	org = unittest.AssertExistsAndLoadBean(t,
-		&User{Name: org.Name, Type: UserTypeOrganization}).(*User)
-	test1 := HasOrgOrUserVisible(org, owner)
-	test2 := HasOrgOrUserVisible(org, user3)
-	test3 := HasOrgOrUserVisible(org, nil)
+		&Organization{Name: org.Name, Type: UserTypeOrganization}).(*Organization)
+	test1 := HasOrgOrUserVisible(org.AsUser(), owner)
+	test2 := HasOrgOrUserVisible(org.AsUser(), user3)
+	test3 := HasOrgOrUserVisible(org.AsUser(), nil)
 	assert.True(t, test1) // owner of org
 	assert.True(t, test2) // user not a part of org
 	assert.True(t, test3) // logged out user
@@ -584,7 +586,7 @@ func TestHasOrgVisibleTypeLimited(t *testing.T) {
 	user3 := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
 
 	const newOrgName = "test-org-limited"
-	org := &User{
+	org := &Organization{
 		Name:       newOrgName,
 		Visibility: structs.VisibleTypeLimited,
 	}
@@ -592,10 +594,10 @@ func TestHasOrgVisibleTypeLimited(t *testing.T) {
 	unittest.AssertNotExistsBean(t, &User{Name: org.Name, Type: UserTypeOrganization})
 	assert.NoError(t, CreateOrganization(org, owner))
 	org = unittest.AssertExistsAndLoadBean(t,
-		&User{Name: org.Name, Type: UserTypeOrganization}).(*User)
-	test1 := HasOrgOrUserVisible(org, owner)
-	test2 := HasOrgOrUserVisible(org, user3)
-	test3 := HasOrgOrUserVisible(org, nil)
+		&Organization{Name: org.Name, Type: UserTypeOrganization}).(*Organization)
+	test1 := HasOrgOrUserVisible(org.AsUser(), owner)
+	test2 := HasOrgOrUserVisible(org.AsUser(), user3)
+	test3 := HasOrgOrUserVisible(org.AsUser(), nil)
 	assert.True(t, test1)  // owner of org
 	assert.True(t, test2)  // user not a part of org
 	assert.False(t, test3) // logged out user
@@ -607,7 +609,7 @@ func TestHasOrgVisibleTypePrivate(t *testing.T) {
 	user3 := unittest.AssertExistsAndLoadBean(t, &User{ID: 3}).(*User)
 
 	const newOrgName = "test-org-private"
-	org := &User{
+	org := &Organization{
 		Name:       newOrgName,
 		Visibility: structs.VisibleTypePrivate,
 	}
@@ -615,10 +617,10 @@ func TestHasOrgVisibleTypePrivate(t *testing.T) {
 	unittest.AssertNotExistsBean(t, &User{Name: org.Name, Type: UserTypeOrganization})
 	assert.NoError(t, CreateOrganization(org, owner))
 	org = unittest.AssertExistsAndLoadBean(t,
-		&User{Name: org.Name, Type: UserTypeOrganization}).(*User)
-	test1 := HasOrgOrUserVisible(org, owner)
-	test2 := HasOrgOrUserVisible(org, user3)
-	test3 := HasOrgOrUserVisible(org, nil)
+		&Organization{Name: org.Name, Type: UserTypeOrganization}).(*Organization)
+	test1 := HasOrgOrUserVisible(org.AsUser(), owner)
+	test2 := HasOrgOrUserVisible(org.AsUser(), user3)
+	test3 := HasOrgOrUserVisible(org.AsUser(), nil)
 	assert.True(t, test1)  // owner of org
 	assert.False(t, test2) // user not a part of org
 	assert.False(t, test3) // logged out user
diff --git a/models/repo.go b/models/repo.go
index d62b3ec2b4..3877502926 100644
--- a/models/repo.go
+++ b/models/repo.go
@@ -783,7 +783,7 @@ func (repo *Repository) CanUserDelete(user *User) (bool, error) {
 	}
 
 	if repo.Owner.IsOrganization() {
-		isOwner, err := repo.Owner.IsOwnedBy(user.ID)
+		isOwner, err := OrgFromUser(repo.Owner).IsOwnedBy(user.ID)
 		if err != nil {
 			return false, err
 		} else if isOwner {
@@ -1118,10 +1118,11 @@ func CreateRepository(ctx context.Context, doer, u *User, repo *Repository, over
 
 	// Give access to all members in teams with access to all repositories.
 	if u.IsOrganization() {
-		if err := u.loadTeams(db.GetEngine(ctx)); err != nil {
+		teams, err := OrgFromUser(u).loadTeams(db.GetEngine(ctx))
+		if err != nil {
 			return fmt.Errorf("loadTeams: %v", err)
 		}
-		for _, t := range u.Teams {
+		for _, t := range teams {
 			if t.IncludesAllRepositories {
 				if err := t.addRepository(db.GetEngine(ctx), repo); err != nil {
 					return fmt.Errorf("addRepository: %v", err)
@@ -1444,11 +1445,6 @@ func DeleteRepository(doer *User, uid, repoID int64) error {
 	if err != nil {
 		return err
 	}
-	if org.IsOrganization() {
-		if err = org.loadTeams(sess); err != nil {
-			return err
-		}
-	}
 
 	repo := &Repository{OwnerID: uid}
 	has, err := sess.ID(repoID).Get(repo)
@@ -1476,7 +1472,11 @@ func DeleteRepository(doer *User, uid, repoID int64) error {
 	}
 
 	if org.IsOrganization() {
-		for _, t := range org.Teams {
+		teams, err := OrgFromUser(org).loadTeams(sess)
+		if err != nil {
+			return err
+		}
+		for _, t := range teams {
 			if !t.hasRepository(sess, repoID) {
 				continue
 			} else if err = t.removeRepository(sess, repo, false); err != nil {
@@ -1790,8 +1790,8 @@ func GetUserMirrorRepositories(userID int64) ([]*Repository, error) {
 		Find(&repos)
 }
 
-func getRepositoryCount(e db.Engine, u *User) (int64, error) {
-	return e.Count(&Repository{OwnerID: u.ID})
+func getRepositoryCount(e db.Engine, ownerID int64) (int64, error) {
+	return e.Count(&Repository{OwnerID: ownerID})
 }
 
 func getPublicRepositoryCount(e db.Engine, u *User) (int64, error) {
@@ -1803,8 +1803,8 @@ func getPrivateRepositoryCount(e db.Engine, u *User) (int64, error) {
 }
 
 // GetRepositoryCount returns the total number of repositories of user.
-func GetRepositoryCount(ctx context.Context, u *User) (int64, error) {
-	return getRepositoryCount(db.GetEngine(ctx), u)
+func GetRepositoryCount(ctx context.Context, ownerID int64) (int64, error) {
+	return getRepositoryCount(db.GetEngine(ctx), ownerID)
 }
 
 // GetPublicRepositoryCount returns the total number of public repositories of user.
diff --git a/models/repo_test.go b/models/repo_test.go
index e6f4ea1c3f..ec1bcc0487 100644
--- a/models/repo_test.go
+++ b/models/repo_test.go
@@ -71,7 +71,7 @@ func TestMetas(t *testing.T) {
 func TestGetRepositoryCount(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
-	count, err1 := GetRepositoryCount(db.DefaultContext, &User{ID: int64(10)})
+	count, err1 := GetRepositoryCount(db.DefaultContext, 10)
 	privateCount, err2 := GetPrivateRepositoryCount(&User{ID: int64(10)})
 	publicCount, err3 := GetPublicRepositoryCount(&User{ID: int64(10)})
 	assert.NoError(t, err1)
diff --git a/models/repo_transfer.go b/models/repo_transfer.go
index 082c3d19dc..7b766ff4c7 100644
--- a/models/repo_transfer.go
+++ b/models/repo_transfer.go
@@ -299,16 +299,17 @@ func TransferOwnership(doer *User, newOwnerName string, repo *Repository) (err e
 
 	// Remove old team-repository relations.
 	if oldOwner.IsOrganization() {
-		if err := oldOwner.removeOrgRepo(sess, repo.ID); err != nil {
+		if err := OrgFromUser(oldOwner).removeOrgRepo(sess, repo.ID); err != nil {
 			return fmt.Errorf("removeOrgRepo: %v", err)
 		}
 	}
 
 	if newOwner.IsOrganization() {
-		if err := newOwner.loadTeams(sess); err != nil {
+		teams, err := OrgFromUser(newOwner).loadTeams(sess)
+		if err != nil {
 			return fmt.Errorf("LoadTeams: %v", err)
 		}
-		for _, t := range newOwner.Teams {
+		for _, t := range teams {
 			if t.IncludesAllRepositories {
 				if err := t.addRepository(sess, repo); err != nil {
 					return fmt.Errorf("addRepository: %v", err)
diff --git a/models/user.go b/models/user.go
index 1bdb435793..db2345cb37 100644
--- a/models/user.go
+++ b/models/user.go
@@ -161,9 +161,6 @@ type User struct {
 	// For organization
 	NumTeams                  int
 	NumMembers                int
-	Teams                     []*Team             `xorm:"-"`
-	Members                   UserList            `xorm:"-"`
-	MembersIsPublic           map[int64]bool      `xorm:"-"`
 	Visibility                structs.VisibleType `xorm:"NOT NULL DEFAULT 0"`
 	RepoAdminChangeTeamAccess bool                `xorm:"NOT NULL DEFAULT false"`
 
@@ -516,20 +513,6 @@ func (u *User) IsUserOrgOwner(orgID int64) bool {
 	return isOwner
 }
 
-// HasMemberWithUserID returns true if user with userID is part of the u organisation.
-func (u *User) HasMemberWithUserID(userID int64) bool {
-	return u.hasMemberWithUserID(db.GetEngine(db.DefaultContext), userID)
-}
-
-func (u *User) hasMemberWithUserID(e db.Engine, userID int64) bool {
-	isMember, err := isOrganizationMember(e, u.ID, userID)
-	if err != nil {
-		log.Error("IsOrganizationMember: %v", err)
-		return false
-	}
-	return isMember
-}
-
 // IsPublicMember returns true if user public his/her membership in given organization.
 func (u *User) IsPublicMember(orgID int64) bool {
 	isMember, err := IsPublicMembership(orgID, u.ID)
diff --git a/models/userlist_test.go b/models/userlist_test.go
index 2b8518c92f..c16a7b6eec 100644
--- a/models/userlist_test.go
+++ b/models/userlist_test.go
@@ -33,10 +33,11 @@ func TestUserListIsPublicMember(t *testing.T) {
 }
 
 func testUserListIsPublicMember(t *testing.T, orgID int64, expected map[int64]bool) {
-	org, err := GetUserByID(orgID)
+	org, err := GetOrgByID(orgID)
 	assert.NoError(t, err)
-	assert.NoError(t, org.GetMembers())
-	assert.Equal(t, expected, org.MembersIsPublic)
+	_, membersIsPublic, err := org.GetMembers()
+	assert.NoError(t, err)
+	assert.Equal(t, expected, membersIsPublic)
 }
 
 func TestUserListIsUserOrgOwner(t *testing.T) {
@@ -59,10 +60,11 @@ func TestUserListIsUserOrgOwner(t *testing.T) {
 }
 
 func testUserListIsUserOrgOwner(t *testing.T, orgID int64, expected map[int64]bool) {
-	org, err := GetUserByID(orgID)
+	org, err := GetOrgByID(orgID)
+	assert.NoError(t, err)
+	members, _, err := org.GetMembers()
 	assert.NoError(t, err)
-	assert.NoError(t, org.GetMembers())
-	assert.Equal(t, expected, org.Members.IsUserOrgOwner(orgID))
+	assert.Equal(t, expected, members.IsUserOrgOwner(orgID))
 }
 
 func TestUserListIsTwoFaEnrolled(t *testing.T) {
@@ -85,8 +87,9 @@ func TestUserListIsTwoFaEnrolled(t *testing.T) {
 }
 
 func testUserListIsTwoFaEnrolled(t *testing.T, orgID int64, expected map[int64]bool) {
-	org, err := GetUserByID(orgID)
+	org, err := GetOrgByID(orgID)
+	assert.NoError(t, err)
+	members, _, err := org.GetMembers()
 	assert.NoError(t, err)
-	assert.NoError(t, org.GetMembers())
-	assert.Equal(t, expected, org.Members.GetTwoFaStatus())
+	assert.Equal(t, expected, members.GetTwoFaStatus())
 }
diff --git a/modules/context/api_org.go b/modules/context/api_org.go
index 3a2c8c559d..6d86fa6ed2 100644
--- a/modules/context/api_org.go
+++ b/modules/context/api_org.go
@@ -10,6 +10,6 @@ import (
 
 // APIOrganization contains organization and team
 type APIOrganization struct {
-	Organization *models.User
+	Organization *models.Organization
 	Team         *models.Team
 }
diff --git a/modules/context/org.go b/modules/context/org.go
index d7257361fd..54cc3a9d8c 100644
--- a/modules/context/org.go
+++ b/modules/context/org.go
@@ -18,11 +18,12 @@ type Organization struct {
 	IsMember         bool
 	IsTeamMember     bool // Is member of team.
 	IsTeamAdmin      bool // In owner team or team that has admin permission level.
-	Organization     *models.User
+	Organization     *models.Organization
 	OrgLink          string
 	CanCreateOrgRepo bool
 
-	Team *models.Team
+	Team  *models.Team
+	Teams []*models.Team
 }
 
 // HandleOrgAssignment handles organization assignment
@@ -49,7 +50,7 @@ func HandleOrgAssignment(ctx *Context, args ...bool) {
 	orgName := ctx.Params(":org")
 
 	var err error
-	ctx.Org.Organization, err = models.GetUserByName(orgName)
+	ctx.Org.Organization, err = models.GetOrgByName(orgName)
 	if err != nil {
 		if models.IsErrUserNotExist(err) {
 			redirectUserID, err := user_model.LookupUserRedirect(orgName)
@@ -68,12 +69,6 @@ func HandleOrgAssignment(ctx *Context, args ...bool) {
 	org := ctx.Org.Organization
 	ctx.Data["Org"] = org
 
-	// Force redirection when username is actually a user.
-	if !org.IsOrganization() {
-		ctx.Redirect(org.HomeLink())
-		return
-	}
-
 	// Admin has super access.
 	if ctx.IsSigned && ctx.User.IsAdmin {
 		ctx.Org.IsOwner = true
@@ -118,18 +113,19 @@ func HandleOrgAssignment(ctx *Context, args ...bool) {
 	ctx.Data["IsOrganizationMember"] = ctx.Org.IsMember
 	ctx.Data["CanCreateOrgRepo"] = ctx.Org.CanCreateOrgRepo
 
-	ctx.Org.OrgLink = org.OrganisationLink()
+	ctx.Org.OrgLink = org.AsUser().OrganisationLink()
 	ctx.Data["OrgLink"] = ctx.Org.OrgLink
 
 	// Team.
 	if ctx.Org.IsMember {
 		if ctx.Org.IsOwner {
-			if err := org.LoadTeams(); err != nil {
+			ctx.Org.Teams, err = org.LoadTeams()
+			if err != nil {
 				ctx.ServerError("LoadTeams", err)
 				return
 			}
 		} else {
-			org.Teams, err = org.GetUserTeams(ctx.User.ID)
+			ctx.Org.Teams, err = org.GetUserTeams(ctx.User.ID)
 			if err != nil {
 				ctx.ServerError("GetUserTeams", err)
 				return
@@ -140,7 +136,7 @@ func HandleOrgAssignment(ctx *Context, args ...bool) {
 	teamName := ctx.Params(":team")
 	if len(teamName) > 0 {
 		teamExists := false
-		for _, team := range org.Teams {
+		for _, team := range ctx.Org.Teams {
 			if team.LowerName == strings.ToLower(teamName) {
 				teamExists = true
 				ctx.Org.Team = team
diff --git a/modules/convert/convert.go b/modules/convert/convert.go
index 80d5ffff05..4229e6cc7d 100644
--- a/modules/convert/convert.go
+++ b/modules/convert/convert.go
@@ -277,10 +277,10 @@ func ToDeployKey(apiLink string, key *models.DeployKey) *api.DeployKey {
 }
 
 // ToOrganization convert models.User to api.Organization
-func ToOrganization(org *models.User) *api.Organization {
+func ToOrganization(org *models.Organization) *api.Organization {
 	return &api.Organization{
 		ID:                        org.ID,
-		AvatarURL:                 org.AvatarLink(),
+		AvatarURL:                 org.AsUser().AvatarLink(),
 		UserName:                  org.Name,
 		FullName:                  org.FullName,
 		Description:               org.Description,
diff --git a/modules/repository/create_test.go b/modules/repository/create_test.go
index 55fc515588..12fc7afeeb 100644
--- a/modules/repository/create_test.go
+++ b/modules/repository/create_test.go
@@ -36,7 +36,7 @@ func TestIncludesAllRepositoriesTeams(t *testing.T) {
 	assert.NoError(t, err, "GetUserByID")
 
 	// Create org.
-	org := &models.User{
+	org := &models.Organization{
 		Name:       "All_repo",
 		IsActive:   true,
 		Type:       models.UserTypeOrganization,
@@ -52,7 +52,7 @@ func TestIncludesAllRepositoriesTeams(t *testing.T) {
 	// Create repos.
 	repoIds := make([]int64, 0)
 	for i := 0; i < 3; i++ {
-		r, err := CreateRepository(user, org, models.CreateRepoOptions{Name: fmt.Sprintf("repo-%d", i)})
+		r, err := CreateRepository(user, org.AsUser(), models.CreateRepoOptions{Name: fmt.Sprintf("repo-%d", i)})
 		assert.NoError(t, err, "CreateRepository %d", i)
 		if r != nil {
 			repoIds = append(repoIds, r.ID)
@@ -114,8 +114,7 @@ func TestIncludesAllRepositoriesTeams(t *testing.T) {
 	}
 
 	// Create repo and check teams repositories.
-	org.Teams = nil // Reset teams to allow their reloading.
-	r, err := CreateRepository(user, org, models.CreateRepoOptions{Name: "repo-last"})
+	r, err := CreateRepository(user, org.AsUser(), models.CreateRepoOptions{Name: "repo-last"})
 	assert.NoError(t, err, "CreateRepository last")
 	if r != nil {
 		repoIds = append(repoIds, r.ID)
diff --git a/modules/repository/repo.go b/modules/repository/repo.go
index 871ba617ad..5eec5a7314 100644
--- a/modules/repository/repo.go
+++ b/modules/repository/repo.go
@@ -50,7 +50,7 @@ func MigrateRepositoryGitData(ctx context.Context, u *models.User, repo *models.
 	repoPath := models.RepoPath(u.Name, opts.RepoName)
 
 	if u.IsOrganization() {
-		t, err := u.GetOwnerTeam()
+		t, err := models.OrgFromUser(u).GetOwnerTeam()
 		if err != nil {
 			return nil, err
 		}
diff --git a/routers/api/v1/admin/org.go b/routers/api/v1/admin/org.go
index 5da87fa7df..2633865d2c 100644
--- a/routers/api/v1/admin/org.go
+++ b/routers/api/v1/admin/org.go
@@ -54,7 +54,7 @@ func CreateOrg(ctx *context.APIContext) {
 		visibility = api.VisibilityModes[form.Visibility]
 	}
 
-	org := &models.User{
+	org := &models.Organization{
 		Name:        form.UserName,
 		FullName:    form.FullName,
 		Description: form.Description,
@@ -117,7 +117,7 @@ func GetAllOrgs(ctx *context.APIContext) {
 	}
 	orgs := make([]*api.Organization, len(users))
 	for i := range users {
-		orgs[i] = convert.ToOrganization(users[i])
+		orgs[i] = convert.ToOrganization(models.OrgFromUser(users[i]))
 	}
 
 	ctx.SetLinkHeader(int(maxResults), listOptions.PageSize)
diff --git a/routers/api/v1/org/hook.go b/routers/api/v1/org/hook.go
index 6c81616170..b9d1fa2f67 100644
--- a/routers/api/v1/org/hook.go
+++ b/routers/api/v1/org/hook.go
@@ -59,7 +59,7 @@ func ListHooks(ctx *context.APIContext) {
 
 	hooks := make([]*api.Hook, len(orgHooks))
 	for i, hook := range orgHooks {
-		hooks[i] = convert.ToHook(ctx.Org.Organization.HomeLink(), hook)
+		hooks[i] = convert.ToHook(ctx.Org.Organization.AsUser().HomeLink(), hook)
 	}
 
 	ctx.SetTotalCountHeader(count)
@@ -95,7 +95,7 @@ func GetHook(ctx *context.APIContext) {
 	if err != nil {
 		return
 	}
-	ctx.JSON(http.StatusOK, convert.ToHook(org.HomeLink(), hook))
+	ctx.JSON(http.StatusOK, convert.ToHook(org.AsUser().HomeLink(), hook))
 }
 
 // CreateHook create a hook for an organization
diff --git a/routers/api/v1/org/label.go b/routers/api/v1/org/label.go
index b375284189..7d4c12d364 100644
--- a/routers/api/v1/org/label.go
+++ b/routers/api/v1/org/label.go
@@ -56,7 +56,7 @@ func ListLabels(ctx *context.APIContext) {
 	}
 
 	ctx.SetTotalCountHeader(count)
-	ctx.JSON(http.StatusOK, convert.ToLabelList(labels, nil, ctx.Org.Organization))
+	ctx.JSON(http.StatusOK, convert.ToLabelList(labels, nil, ctx.Org.Organization.AsUser()))
 }
 
 // CreateLabel create a label for a repository
@@ -104,7 +104,7 @@ func CreateLabel(ctx *context.APIContext) {
 		return
 	}
 
-	ctx.JSON(http.StatusCreated, convert.ToLabel(label, nil, ctx.Org.Organization))
+	ctx.JSON(http.StatusCreated, convert.ToLabel(label, nil, ctx.Org.Organization.AsUser()))
 }
 
 // GetLabel get label by organization and label id
@@ -149,7 +149,7 @@ func GetLabel(ctx *context.APIContext) {
 		return
 	}
 
-	ctx.JSON(http.StatusOK, convert.ToLabel(label, nil, ctx.Org.Organization))
+	ctx.JSON(http.StatusOK, convert.ToLabel(label, nil, ctx.Org.Organization.AsUser()))
 }
 
 // EditLabel modify a label for an Organization
@@ -214,7 +214,7 @@ func EditLabel(ctx *context.APIContext) {
 		return
 	}
 
-	ctx.JSON(http.StatusOK, convert.ToLabel(label, nil, ctx.Org.Organization))
+	ctx.JSON(http.StatusOK, convert.ToLabel(label, nil, ctx.Org.Organization.AsUser()))
 }
 
 // DeleteLabel delete a label for an organization
diff --git a/routers/api/v1/org/org.go b/routers/api/v1/org/org.go
index e82e8552e0..bbf127f891 100644
--- a/routers/api/v1/org/org.go
+++ b/routers/api/v1/org/org.go
@@ -31,7 +31,7 @@ func listUserOrgs(ctx *context.APIContext, u *models.User) {
 	}
 
 	maxResults := len(orgs)
-	orgs, _ = util.PaginateSlice(orgs, listOptions.Page, listOptions.PageSize).([]*models.User)
+	orgs, _ = util.PaginateSlice(orgs, listOptions.Page, listOptions.PageSize).([]*models.Organization)
 
 	apiOrgs := make([]*api.Organization, len(orgs))
 	for i := range orgs {
@@ -141,7 +141,8 @@ func GetUserOrgsPermissions(ctx *context.APIContext) {
 		return
 	}
 
-	authorizeLevel, err := o.GetOrgUserMaxAuthorizeLevel(u.ID)
+	org := models.OrgFromUser(o)
+	authorizeLevel, err := org.GetOrgUserMaxAuthorizeLevel(u.ID)
 	if err != nil {
 		ctx.Error(http.StatusInternalServerError, "GetOrgUserAuthorizeLevel", err)
 		return
@@ -160,7 +161,7 @@ func GetUserOrgsPermissions(ctx *context.APIContext) {
 		op.IsOwner = true
 	}
 
-	op.CanCreateRepository, err = o.CanCreateOrgRepo(u.ID)
+	op.CanCreateRepository, err = org.CanCreateOrgRepo(u.ID)
 	if err != nil {
 		ctx.Error(http.StatusInternalServerError, "CanCreateOrgRepo", err)
 		return
@@ -212,7 +213,7 @@ func GetAll(ctx *context.APIContext) {
 	}
 	orgs := make([]*api.Organization, len(publicOrgs))
 	for i := range publicOrgs {
-		orgs[i] = convert.ToOrganization(publicOrgs[i])
+		orgs[i] = convert.ToOrganization(models.OrgFromUser(publicOrgs[i]))
 	}
 
 	ctx.SetLinkHeader(int(maxResults), listOptions.PageSize)
@@ -252,7 +253,7 @@ func Create(ctx *context.APIContext) {
 		visibility = api.VisibilityModes[form.Visibility]
 	}
 
-	org := &models.User{
+	org := &models.Organization{
 		Name:                      form.UserName,
 		FullName:                  form.FullName,
 		Description:               form.Description,
@@ -295,7 +296,7 @@ func Get(ctx *context.APIContext) {
 	//   "200":
 	//     "$ref": "#/responses/Organization"
 
-	if !models.HasOrgOrUserVisible(ctx.Org.Organization, ctx.User) {
+	if !models.HasOrgOrUserVisible(ctx.Org.Organization.AsUser(), ctx.User) {
 		ctx.NotFound("HasOrgOrUserVisible", nil)
 		return
 	}
@@ -337,7 +338,7 @@ func Edit(ctx *context.APIContext) {
 	if form.RepoAdminChangeTeamAccess != nil {
 		org.RepoAdminChangeTeamAccess = *form.RepoAdminChangeTeamAccess
 	}
-	if err := models.UpdateUserCols(org,
+	if err := models.UpdateUserCols(org.AsUser(),
 		"full_name", "description", "website", "location",
 		"visibility", "repo_admin_change_team_access",
 	); err != nil {
diff --git a/routers/api/v1/org/team.go b/routers/api/v1/org/team.go
index 0dc1b68aee..e78e487895 100644
--- a/routers/api/v1/org/team.go
+++ b/routers/api/v1/org/team.go
@@ -102,7 +102,7 @@ func ListUserTeams(ctx *context.APIContext) {
 	for i := range teams {
 		apiOrg, ok := cache[teams[i].OrgID]
 		if !ok {
-			org, err := models.GetUserByID(teams[i].OrgID)
+			org, err := models.GetOrgByID(teams[i].OrgID)
 			if err != nil {
 				ctx.Error(http.StatusInternalServerError, "GetUserByID", err)
 				return
diff --git a/routers/api/v1/repo/fork.go b/routers/api/v1/repo/fork.go
index b3504faad9..45d3c815a7 100644
--- a/routers/api/v1/repo/fork.go
+++ b/routers/api/v1/repo/fork.go
@@ -120,7 +120,7 @@ func CreateFork(ctx *context.APIContext) {
 			ctx.Error(http.StatusForbidden, "isMemberNot", fmt.Sprintf("User is no Member of Organisation '%s'", org.Name))
 			return
 		}
-		forker = org
+		forker = org.AsUser()
 	}
 
 	fork, err := repo_service.ForkRepository(ctx.User, forker, models.ForkRepoOptions{
diff --git a/routers/api/v1/repo/migrate.go b/routers/api/v1/repo/migrate.go
index 00390dfb5f..1880a88367 100644
--- a/routers/api/v1/repo/migrate.go
+++ b/routers/api/v1/repo/migrate.go
@@ -86,7 +86,7 @@ func Migrate(ctx *context.APIContext) {
 
 		if repoOwner.IsOrganization() {
 			// Check ownership of organization.
-			isOwner, err := repoOwner.IsOwnedBy(ctx.User.ID)
+			isOwner, err := models.OrgFromUser(repoOwner).IsOwnedBy(ctx.User.ID)
 			if err != nil {
 				ctx.Error(http.StatusInternalServerError, "IsOwnedBy", err)
 				return
diff --git a/routers/api/v1/repo/repo.go b/routers/api/v1/repo/repo.go
index 22f9da614d..872ce22871 100644
--- a/routers/api/v1/repo/repo.go
+++ b/routers/api/v1/repo/repo.go
@@ -393,7 +393,7 @@ func Generate(ctx *context.APIContext) {
 		}
 
 		if !ctx.User.IsAdmin {
-			canCreate, err := ctxUser.CanCreateOrgRepo(ctx.User.ID)
+			canCreate, err := models.OrgFromUser(ctxUser).CanCreateOrgRepo(ctx.User.ID)
 			if err != nil {
 				ctx.ServerError("CanCreateOrgRepo", err)
 				return
@@ -489,7 +489,7 @@ func CreateOrgRepo(ctx *context.APIContext) {
 		return
 	}
 
-	if !models.HasOrgOrUserVisible(org, ctx.User) {
+	if !models.HasOrgOrUserVisible(org.AsUser(), ctx.User) {
 		ctx.NotFound("HasOrgOrUserVisible", nil)
 		return
 	}
@@ -504,7 +504,7 @@ func CreateOrgRepo(ctx *context.APIContext) {
 			return
 		}
 	}
-	CreateUserRepo(ctx, org, *opt)
+	CreateUserRepo(ctx, org.AsUser(), *opt)
 }
 
 // Get one repository
diff --git a/routers/api/v1/repo/transfer.go b/routers/api/v1/repo/transfer.go
index c13a2e4857..f16e2bb081 100644
--- a/routers/api/v1/repo/transfer.go
+++ b/routers/api/v1/repo/transfer.go
@@ -64,7 +64,7 @@ func Transfer(ctx *context.APIContext) {
 	}
 
 	if newOwner.Type == models.UserTypeOrganization {
-		if !ctx.User.IsAdmin && newOwner.Visibility == api.VisibleTypePrivate && !newOwner.HasMemberWithUserID(ctx.User.ID) {
+		if !ctx.User.IsAdmin && newOwner.Visibility == api.VisibleTypePrivate && !models.OrgFromUser(newOwner).HasMemberWithUserID(ctx.User.ID) {
 			// The user shouldn't know about this organization
 			ctx.Error(http.StatusNotFound, "", "The new owner does not exist or cannot be found")
 			return
@@ -78,7 +78,7 @@ func Transfer(ctx *context.APIContext) {
 			return
 		}
 
-		org := convert.ToOrganization(newOwner)
+		org := convert.ToOrganization(models.OrgFromUser(newOwner))
 		for _, tID := range *opts.TeamIDs {
 			team, err := models.GetTeamByID(tID)
 			if err != nil {
diff --git a/routers/api/v1/user/repo.go b/routers/api/v1/user/repo.go
index 5116c17ab2..3c9a17a0be 100644
--- a/routers/api/v1/user/repo.go
+++ b/routers/api/v1/user/repo.go
@@ -157,5 +157,5 @@ func ListOrgRepos(ctx *context.APIContext) {
 	//   "200":
 	//     "$ref": "#/responses/RepositoryList"
 
-	listUserRepos(ctx, ctx.Org.Organization, ctx.IsSigned)
+	listUserRepos(ctx, ctx.Org.Organization.AsUser(), ctx.IsSigned)
 }
diff --git a/routers/api/v1/utils/hook.go b/routers/api/v1/utils/hook.go
index aef9b8f4ce..1f0a35ce22 100644
--- a/routers/api/v1/utils/hook.go
+++ b/routers/api/v1/utils/hook.go
@@ -75,7 +75,7 @@ func AddOrgHook(ctx *context.APIContext, form *api.CreateHookOption) {
 	org := ctx.Org.Organization
 	hook, ok := addHook(ctx, form, org.ID, 0)
 	if ok {
-		ctx.JSON(http.StatusCreated, convert.ToHook(org.HomeLink(), hook))
+		ctx.JSON(http.StatusCreated, convert.ToHook(org.AsUser().HomeLink(), hook))
 	}
 }
 
@@ -185,7 +185,7 @@ func EditOrgHook(ctx *context.APIContext, form *api.EditHookOption, hookID int64
 	if err != nil {
 		return
 	}
-	ctx.JSON(http.StatusOK, convert.ToHook(org.HomeLink(), updated))
+	ctx.JSON(http.StatusOK, convert.ToHook(org.AsUser().HomeLink(), updated))
 }
 
 // EditRepoHook edit webhook `w` according to `form`. Writes to `ctx` accordingly
diff --git a/routers/web/org/home.go b/routers/web/org/home.go
index 89bd12a18f..0752fa12cb 100644
--- a/routers/web/org/home.go
+++ b/routers/web/org/home.go
@@ -30,7 +30,7 @@ func Home(ctx *context.Context) {
 
 	org := ctx.Org.Organization
 
-	if !models.HasOrgOrUserVisible(org, ctx.User) {
+	if !models.HasOrgOrUserVisible(org.AsUser(), ctx.User) {
 		ctx.NotFound("HasOrgOrUserVisible", nil)
 		return
 	}
@@ -140,7 +140,7 @@ func Home(ctx *context.Context) {
 	ctx.Data["Total"] = count
 	ctx.Data["MembersTotal"] = membersCount
 	ctx.Data["Members"] = members
-	ctx.Data["Teams"] = org.Teams
+	ctx.Data["Teams"] = ctx.Org.Teams
 
 	ctx.Data["DisableNewPullMirrors"] = setting.Mirror.DisableNewPull
 
diff --git a/routers/web/org/org.go b/routers/web/org/org.go
index beba3daca4..6722f8d104 100644
--- a/routers/web/org/org.go
+++ b/routers/web/org/org.go
@@ -49,7 +49,7 @@ func CreatePost(ctx *context.Context) {
 		return
 	}
 
-	org := &models.User{
+	org := &models.Organization{
 		Name:                      form.OrgName,
 		IsActive:                  true,
 		Type:                      models.UserTypeOrganization,
@@ -75,5 +75,5 @@ func CreatePost(ctx *context.Context) {
 	}
 	log.Trace("Organization created: %s", org.Name)
 
-	ctx.Redirect(org.DashboardLink())
+	ctx.Redirect(org.AsUser().DashboardLink())
 }
diff --git a/routers/web/org/setting.go b/routers/web/org/setting.go
index f27cb40838..f05dbd8bc1 100644
--- a/routers/web/org/setting.go
+++ b/routers/web/org/setting.go
@@ -68,7 +68,7 @@ func SettingsPost(ctx *context.Context) {
 			ctx.Data["OrgName"] = true
 			ctx.RenderWithErr(ctx.Tr("form.username_been_taken"), tplSettingsOptions, &form)
 			return
-		} else if err = models.ChangeUserName(org, form.Name); err != nil {
+		} else if err = models.ChangeUserName(org.AsUser(), form.Name); err != nil {
 			if err == models.ErrUserNameIllegal {
 				ctx.Data["OrgName"] = true
 				ctx.RenderWithErr(ctx.Tr("form.illegal_username"), tplSettingsOptions, &form)
@@ -100,18 +100,20 @@ func SettingsPost(ctx *context.Context) {
 	visibilityChanged := form.Visibility != org.Visibility
 	org.Visibility = form.Visibility
 
-	if err := models.UpdateUser(org); err != nil {
+	if err := models.UpdateUser(org.AsUser()); err != nil {
 		ctx.ServerError("UpdateUser", err)
 		return
 	}
 
 	// update forks visibility
 	if visibilityChanged {
-		if err := org.GetRepositories(db.ListOptions{Page: 1, PageSize: org.NumRepos}); err != nil {
+		repos, _, err := models.GetUserRepositories(&models.SearchRepoOptions{
+			Actor: org.AsUser(), Private: true, ListOptions: db.ListOptions{Page: 1, PageSize: org.NumRepos}})
+		if err != nil {
 			ctx.ServerError("GetRepositories", err)
 			return
 		}
-		for _, repo := range org.Repos {
+		for _, repo := range repos {
 			repo.OwnerName = org.Name
 			if err := models.UpdateRepository(repo, true); err != nil {
 				ctx.ServerError("UpdateRepository", err)
@@ -134,7 +136,7 @@ func SettingsPost(ctx *context.Context) {
 func SettingsAvatar(ctx *context.Context) {
 	form := web.GetForm(ctx).(*forms.AvatarForm)
 	form.Source = forms.AvatarLocal
-	if err := userSetting.UpdateAvatarSetting(ctx, form, ctx.Org.Organization); err != nil {
+	if err := userSetting.UpdateAvatarSetting(ctx, form, ctx.Org.Organization.AsUser()); err != nil {
 		ctx.Flash.Error(err.Error())
 	} else {
 		ctx.Flash.Success(ctx.Tr("org.settings.update_avatar_success"))
@@ -145,7 +147,7 @@ func SettingsAvatar(ctx *context.Context) {
 
 // SettingsDeleteAvatar response for delete avatar on settings page
 func SettingsDeleteAvatar(ctx *context.Context) {
-	if err := ctx.Org.Organization.DeleteAvatar(); err != nil {
+	if err := ctx.Org.Organization.AsUser().DeleteAvatar(); err != nil {
 		ctx.Flash.Error(err.Error())
 	}
 
diff --git a/routers/web/org/teams.go b/routers/web/org/teams.go
index 28ffac4dd3..ac6a42904a 100644
--- a/routers/web/org/teams.go
+++ b/routers/web/org/teams.go
@@ -38,13 +38,13 @@ func Teams(ctx *context.Context) {
 	ctx.Data["Title"] = org.FullName
 	ctx.Data["PageIsOrgTeams"] = true
 
-	for _, t := range org.Teams {
+	for _, t := range ctx.Org.Teams {
 		if err := t.GetMembers(&models.SearchMembersOptions{}); err != nil {
 			ctx.ServerError("GetMembers", err)
 			return
 		}
 	}
-	ctx.Data["Teams"] = org.Teams
+	ctx.Data["Teams"] = ctx.Org.Teams
 
 	ctx.HTML(http.StatusOK, tplTeams)
 }
@@ -158,7 +158,7 @@ func TeamsAction(ctx *context.Context) {
 	case "team":
 		ctx.Redirect(ctx.Org.OrgLink + "/teams/" + url.PathEscape(ctx.Org.Team.LowerName))
 	case "home":
-		ctx.Redirect(ctx.Org.Organization.HomeLink())
+		ctx.Redirect(ctx.Org.Organization.AsUser().HomeLink())
 	default:
 		ctx.Redirect(ctx.Org.OrgLink + "/teams")
 	}
diff --git a/routers/web/repo/issue.go b/routers/web/repo/issue.go
index 95363258e9..129287b96a 100644
--- a/routers/web/repo/issue.go
+++ b/routers/web/repo/issue.go
@@ -2644,13 +2644,15 @@ func handleTeamMentions(ctx *context.Context) {
 		return
 	}
 
-	isAdmin := false
+	var isAdmin bool
 	var err error
+	var teams []*models.Team
+	var org = models.OrgFromUser(ctx.Repo.Owner)
 	// Admin has super access.
 	if ctx.User.IsAdmin {
 		isAdmin = true
 	} else {
-		isAdmin, err = ctx.Repo.Owner.IsOwnedBy(ctx.User.ID)
+		isAdmin, err = org.IsOwnedBy(ctx.User.ID)
 		if err != nil {
 			ctx.ServerError("IsOwnedBy", err)
 			return
@@ -2658,19 +2660,20 @@ func handleTeamMentions(ctx *context.Context) {
 	}
 
 	if isAdmin {
-		if err := ctx.Repo.Owner.LoadTeams(); err != nil {
+		teams, err = org.LoadTeams()
+		if err != nil {
 			ctx.ServerError("LoadTeams", err)
 			return
 		}
 	} else {
-		ctx.Repo.Owner.Teams, err = ctx.Repo.Owner.GetUserTeams(ctx.User.ID)
+		teams, err = org.GetUserTeams(ctx.User.ID)
 		if err != nil {
 			ctx.ServerError("GetUserTeams", err)
 			return
 		}
 	}
 
-	ctx.Data["MentionableTeams"] = ctx.Repo.Owner.Teams
+	ctx.Data["MentionableTeams"] = teams
 	ctx.Data["MentionableTeamsOrg"] = ctx.Repo.Owner.Name
 	ctx.Data["MentionableTeamsOrgAvatar"] = ctx.Repo.Owner.AvatarLink()
 }
diff --git a/routers/web/repo/issue_label.go b/routers/web/repo/issue_label.go
index b97f57175b..c6fa8c4c8c 100644
--- a/routers/web/repo/issue_label.go
+++ b/routers/web/repo/issue_label.go
@@ -88,7 +88,7 @@ func RetrieveLabels(ctx *context.Context) {
 				ctx.ServerError("org.IsOwnedBy", err)
 				return
 			}
-			ctx.Org.OrgLink = org.OrganisationLink()
+			ctx.Org.OrgLink = org.AsUser().OrganisationLink()
 			ctx.Data["IsOrganizationOwner"] = ctx.Org.IsOwner
 			ctx.Data["OrganizationLink"] = ctx.Org.OrgLink
 		}
diff --git a/routers/web/repo/pull.go b/routers/web/repo/pull.go
index 4337278214..d5aa480d1f 100644
--- a/routers/web/repo/pull.go
+++ b/routers/web/repo/pull.go
@@ -217,7 +217,7 @@ func ForkPost(ctx *context.Context) {
 
 	// Check ownership of organization.
 	if ctxUser.IsOrganization() {
-		isOwner, err := ctxUser.IsOwnedBy(ctx.User.ID)
+		isOwner, err := models.OrgFromUser(ctxUser).IsOwnedBy(ctx.User.ID)
 		if err != nil {
 			ctx.ServerError("IsOwnedBy", err)
 			return
diff --git a/routers/web/repo/repo.go b/routers/web/repo/repo.go
index 5e15415d6a..2d6189824d 100644
--- a/routers/web/repo/repo.go
+++ b/routers/web/repo/repo.go
@@ -94,7 +94,7 @@ func checkContextUser(ctx *context.Context, uid int64) *models.User {
 		return nil
 	}
 	if !ctx.User.IsAdmin {
-		canCreate, err := org.CanCreateOrgRepo(ctx.User.ID)
+		canCreate, err := models.OrgFromUser(org).CanCreateOrgRepo(ctx.User.ID)
 		if err != nil {
 			ctx.ServerError("CanCreateOrgRepo", err)
 			return nil
diff --git a/routers/web/repo/setting.go b/routers/web/repo/setting.go
index 641052316c..9b5f635988 100644
--- a/routers/web/repo/setting.go
+++ b/routers/web/repo/setting.go
@@ -588,7 +588,7 @@ func SettingsPost(ctx *context.Context) {
 		}
 
 		if newOwner.Type == models.UserTypeOrganization {
-			if !ctx.User.IsAdmin && newOwner.Visibility == structs.VisibleTypePrivate && !newOwner.HasMemberWithUserID(ctx.User.ID) {
+			if !ctx.User.IsAdmin && newOwner.Visibility == structs.VisibleTypePrivate && !models.OrgFromUser(newOwner).HasMemberWithUserID(ctx.User.ID) {
 				// The user shouldn't know about this organization
 				ctx.RenderWithErr(ctx.Tr("form.enterred_invalid_owner_name"), tplSettingsOptions, nil)
 				return
@@ -879,7 +879,7 @@ func AddTeamPost(ctx *context.Context) {
 		return
 	}
 
-	team, err := ctx.Repo.Owner.GetTeam(name)
+	team, err := models.OrgFromUser(ctx.Repo.Owner).GetTeam(name)
 	if err != nil {
 		if models.IsErrTeamNotExist(err) {
 			ctx.Flash.Error(ctx.Tr("form.team_not_exist"))
diff --git a/routers/web/repo/setting_protected_branch.go b/routers/web/repo/setting_protected_branch.go
index 32105b1d43..b13dfae683 100644
--- a/routers/web/repo/setting_protected_branch.go
+++ b/routers/web/repo/setting_protected_branch.go
@@ -156,7 +156,7 @@ func SettingsProtectedBranch(c *context.Context) {
 	}
 
 	if c.Repo.Owner.IsOrganization() {
-		teams, err := c.Repo.Owner.TeamsWithAccessToRepo(c.Repo.Repository.ID, models.AccessModeRead)
+		teams, err := models.OrgFromUser(c.Repo.Owner).TeamsWithAccessToRepo(c.Repo.Repository.ID, models.AccessModeRead)
 		if err != nil {
 			c.ServerError("Repo.Owner.TeamsWithAccessToRepo", err)
 			return
diff --git a/routers/web/repo/tag.go b/routers/web/repo/tag.go
index b4d268759c..4383b6214a 100644
--- a/routers/web/repo/tag.go
+++ b/routers/web/repo/tag.go
@@ -149,7 +149,7 @@ func setTagsContext(ctx *context.Context) error {
 	ctx.Data["Users"] = users
 
 	if ctx.Repo.Owner.IsOrganization() {
-		teams, err := ctx.Repo.Owner.TeamsWithAccessToRepo(ctx.Repo.Repository.ID, models.AccessModeRead)
+		teams, err := models.OrgFromUser(ctx.Repo.Owner).TeamsWithAccessToRepo(ctx.Repo.Repository.ID, models.AccessModeRead)
 		if err != nil {
 			ctx.ServerError("Repo.Owner.TeamsWithAccessToRepo", err)
 			return err
diff --git a/routers/web/user/home.go b/routers/web/user/home.go
index b9f5d044fa..c0ecd0c2a0 100644
--- a/routers/web/user/home.go
+++ b/routers/web/user/home.go
@@ -47,8 +47,8 @@ func getDashboardContextUser(ctx *context.Context) *models.User {
 	ctxUser := ctx.User
 	orgName := ctx.Params(":org")
 	if len(orgName) > 0 {
-		ctxUser = ctx.Org.Organization
-		ctx.Data["Teams"] = ctx.Org.Organization.Teams
+		ctxUser = ctx.Org.Organization.AsUser()
+		ctx.Data["Teams"] = ctx.Org.Teams
 	}
 	ctx.Data["ContextUser"] = ctxUser
 
@@ -97,9 +97,9 @@ func Dashboard(ctx *context.Context) {
 	if ctxUser.IsOrganization() {
 		var env models.AccessibleReposEnvironment
 		if ctx.Org.Team != nil {
-			env = ctxUser.AccessibleTeamReposEnv(ctx.Org.Team)
+			env = models.OrgFromUser(ctxUser).AccessibleTeamReposEnv(ctx.Org.Team)
 		} else {
-			env, err = ctxUser.AccessibleReposEnv(ctx.User.ID)
+			env, err = models.OrgFromUser(ctxUser).AccessibleReposEnv(ctx.User.ID)
 			if err != nil {
 				ctx.ServerError("AccessibleReposEnv", err)
 				return
@@ -756,9 +756,9 @@ func getActiveTeamOrOrgRepoIds(ctxUser *models.User, team *models.Team, unitType
 	var env models.AccessibleReposEnvironment
 
 	if team != nil {
-		env = ctxUser.AccessibleTeamReposEnv(team)
+		env = models.OrgFromUser(ctxUser).AccessibleTeamReposEnv(team)
 	} else {
-		env, err = ctxUser.AccessibleReposEnv(ctxUser.ID)
+		env, err = models.OrgFromUser(ctxUser).AccessibleReposEnv(ctxUser.ID)
 		if err != nil {
 			return nil, fmt.Errorf("AccessibleReposEnv: %v", err)
 		}
diff --git a/routers/web/user/oauth.go b/routers/web/user/oauth.go
index 3210d033d3..7b1854c521 100644
--- a/routers/web/user/oauth.go
+++ b/routers/web/user/oauth.go
@@ -283,11 +283,11 @@ func getOAuthGroupsForUser(user *models.User) ([]string, error) {
 	var groups []string
 	for _, org := range orgs {
 		groups = append(groups, org.Name)
-
-		if err := org.LoadTeams(); err != nil {
+		teams, err := org.LoadTeams()
+		if err != nil {
 			return nil, fmt.Errorf("LoadTeams: %v", err)
 		}
-		for _, team := range org.Teams {
+		for _, team := range teams {
 			if team.IsMember(user.ID) {
 				groups = append(groups, org.Name+":"+team.LowerName)
 			}
diff --git a/services/org/org.go b/services/org/org.go
index cb1f1eca03..c2b21d10ac 100644
--- a/services/org/org.go
+++ b/services/org/org.go
@@ -14,11 +14,7 @@ import (
 )
 
 // DeleteOrganization completely and permanently deletes everything of organization.
-func DeleteOrganization(org *models.User) error {
-	if !org.IsOrganization() {
-		return fmt.Errorf("%s is a user not an organization", org.Name)
-	}
-
+func DeleteOrganization(org *models.Organization) error {
 	ctx, commiter, err := db.TxContext()
 	if err != nil {
 		return err
@@ -26,7 +22,7 @@ func DeleteOrganization(org *models.User) error {
 	defer commiter.Close()
 
 	// Check ownership of repository.
-	count, err := models.GetRepositoryCount(ctx, org)
+	count, err := models.GetRepositoryCount(ctx, org.ID)
 	if err != nil {
 		return fmt.Errorf("GetRepositoryCount: %v", err)
 	} else if count > 0 {
diff --git a/services/org/org_test.go b/services/org/org_test.go
index 5fec086d10..3c620c055b 100644
--- a/services/org/org_test.go
+++ b/services/org/org_test.go
@@ -20,18 +20,18 @@ func TestMain(m *testing.M) {
 
 func TestDeleteOrganization(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	org := unittest.AssertExistsAndLoadBean(t, &models.User{ID: 6}).(*models.User)
+	org := unittest.AssertExistsAndLoadBean(t, &models.Organization{ID: 6}).(*models.Organization)
 	assert.NoError(t, DeleteOrganization(org))
-	unittest.AssertNotExistsBean(t, &models.User{ID: 6})
+	unittest.AssertNotExistsBean(t, &models.Organization{ID: 6})
 	unittest.AssertNotExistsBean(t, &models.OrgUser{OrgID: 6})
 	unittest.AssertNotExistsBean(t, &models.Team{OrgID: 6})
 
-	org = unittest.AssertExistsAndLoadBean(t, &models.User{ID: 3}).(*models.User)
+	org = unittest.AssertExistsAndLoadBean(t, &models.Organization{ID: 3}).(*models.Organization)
 	err := DeleteOrganization(org)
 	assert.Error(t, err)
 	assert.True(t, models.IsErrUserOwnRepos(err))
 
-	user := unittest.AssertExistsAndLoadBean(t, &models.User{ID: 5}).(*models.User)
+	user := unittest.AssertExistsAndLoadBean(t, &models.Organization{ID: 5}).(*models.Organization)
 	assert.Error(t, DeleteOrganization(user))
 	unittest.CheckConsistencyFor(t, &models.User{}, &models.Team{})
 }
diff --git a/services/repository/repository.go b/services/repository/repository.go
index 98d160c223..1d390247f1 100644
--- a/services/repository/repository.go
+++ b/services/repository/repository.go
@@ -45,7 +45,7 @@ func DeleteRepository(doer *models.User, repo *models.Repository) error {
 func PushCreateRepo(authUser, owner *models.User, repoName string) (*models.Repository, error) {
 	if !authUser.IsAdmin {
 		if owner.IsOrganization() {
-			if ok, err := owner.CanCreateOrgRepo(authUser.ID); err != nil {
+			if ok, err := models.CanCreateOrgRepo(owner.ID, authUser.ID); err != nil {
 				return nil, err
 			} else if !ok {
 				return nil, fmt.Errorf("cannot push-create repository for org")
diff --git a/services/user/user.go b/services/user/user.go
index a08e40f86e..733cc4a36e 100644
--- a/services/user/user.go
+++ b/services/user/user.go
@@ -35,7 +35,7 @@ func DeleteUser(u *models.User) error {
 	//	cannot perform delete operation.
 
 	// Check ownership of repository.
-	count, err := models.GetRepositoryCount(ctx, u)
+	count, err := models.GetRepositoryCount(ctx, u.ID)
 	if err != nil {
 		return fmt.Errorf("GetRepositoryCount: %v", err)
 	} else if count > 0 {