org/members: display 2FA members states + optimize sql requests (#7621)

* org/members: display 2FA state

* fix comment typo

* lay down UserList bases

* add basic test for previous methods

* add comment for UserList type

* add valid two-fa account

* test new UserList methods

* optimize MembersIsPublic by side loading info on GetMembers + fix integrations tests

* respect fmt rules

* use map for data

* Optimize GetTwoFaStatus

* rewrite by using existing sub func

* Optimize IsUserOrgOwner

* remove un-used code

* tests: cover empty org + fix import order

* tests: add ErrTeamNotExist path

* tests: fix wrong expected result

models/userlist.go

@@ -0,0 +1,95 @@
+// Copyright 2019 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 (
+	"fmt"
+
+	"code.gitea.io/gitea/modules/log"
+)
+
+//UserList is a list of user.
+// This type provide valuable methods to retrieve information for a group of users efficiently.
+type UserList []*User
+
+func (users UserList) getUserIDs() []int64 {
+	userIDs := make([]int64, len(users))
+	for _, user := range users {
+		userIDs = append(userIDs, user.ID) //Considering that user id are unique in the list
+	}
+	return userIDs
+}
+
+// IsUserOrgOwner returns true if user is in the owner team of given organization.
+func (users UserList) IsUserOrgOwner(orgID int64) map[int64]bool {
+	results := make(map[int64]bool, len(users))
+	for _, user := range users {
+		results[user.ID] = false //Set default to false
+	}
+	ownerMaps, err := users.loadOrganizationOwners(x, orgID)
+	if err == nil {
+		for _, owner := range ownerMaps {
+			results[owner.UID] = true
+		}
+	}
+	return results
+}
+
+func (users UserList) loadOrganizationOwners(e Engine, orgID int64) (map[int64]*TeamUser, error) {
+	if len(users) == 0 {
+		return nil, nil
+	}
+	ownerTeam, err := getOwnerTeam(e, orgID)
+	if err != nil {
+		if err == ErrTeamNotExist {
+			log.Error("Organization does not have owner team: %d", orgID)
+			return nil, nil
+		}
+		return nil, err
+	}
+
+	userIDs := users.getUserIDs()
+	ownerMaps := make(map[int64]*TeamUser)
+	err = e.In("uid", userIDs).
+		And("org_id=?", orgID).
+		And("team_id=?", ownerTeam.ID).
+		Find(&ownerMaps)
+	if err != nil {
+		return nil, fmt.Errorf("find team users: %v", err)
+	}
+	return ownerMaps, nil
+}
+
+// GetTwoFaStatus return state of 2FA enrollement
+func (users UserList) GetTwoFaStatus() map[int64]bool {
+	results := make(map[int64]bool, len(users))
+	for _, user := range users {
+		results[user.ID] = false //Set default to false
+	}
+	tokenMaps, err := users.loadTwoFactorStatus(x)
+	if err == nil {
+		for _, token := range tokenMaps {
+			results[token.UID] = true
+		}
+	}
+
+	return results
+}
+
+func (users UserList) loadTwoFactorStatus(e Engine) (map[int64]*TwoFactor, error) {
+	if len(users) == 0 {
+		return nil, nil
+	}
+
+	userIDs := users.getUserIDs()
+	tokenMaps := make(map[int64]*TwoFactor, len(userIDs))
+	err := e.
+		In("uid", userIDs).
+		Find(&tokenMaps)
+	if err != nil {
+		return nil, fmt.Errorf("find two factor: %v", err)
+	}
+	return tokenMaps, nil
+}