Use ID or Where to instead directly use Get when load object from database (#11925) (#11935)

Backport #11925

Use ID or Where to instead directly use Get when load object from database

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

models/attachment.go

 }
 
 func getAttachmentByID(e Engine, id int64) (*Attachment, error) {
-	attach := &Attachment{ID: id}
-
-	if has, err := e.Get(attach); err != nil {
+	attach := &Attachment{}
+	if has, err := e.ID(id).Get(attach); err != nil {
 		return nil, err
 	} else if !has {
 		return nil, ErrAttachmentNotExist{ID: id, UUID: ""}
 }
 
 func getAttachmentByUUID(e Engine, uuid string) (*Attachment, error) {
-	attach := &Attachment{UUID: uuid}
-	has, err := e.Get(attach)
+	attach := &Attachment{}
+	has, err := e.Where("uuid=?", uuid).Get(attach)
 	if err != nil {
 		return nil, err
 	} else if !has {

models/branches.go

 
 // GetProtectedBranchByID getting protected branch by ID
 func GetProtectedBranchByID(id int64) (*ProtectedBranch, error) {
-	rel := &ProtectedBranch{ID: id}
-	has, err := x.Get(rel)
+	rel := &ProtectedBranch{}
+	has, err := x.ID(id).Get(rel)
 	if err != nil {
 		return nil, err
 	}
 }
 
 // GetDeletedBranchByID get a deleted branch by its ID
-func (repo *Repository) GetDeletedBranchByID(ID int64) (*DeletedBranch, error) {
-	deletedBranch := &DeletedBranch{ID: ID}
-	has, err := x.Get(deletedBranch)
+func (repo *Repository) GetDeletedBranchByID(id int64) (*DeletedBranch, error) {
+	deletedBranch := &DeletedBranch{}
+	has, err := x.ID(id).Get(deletedBranch)
 	if err != nil {
 		return nil, err
 	}

models/issue_label.go

 		return nil, ErrLabelNotExist{0, repoID}
 	}
 
-	l := &Label{
-		Name:   labelName,
-		RepoID: repoID,
-	}
-	has, err := e.Get(l)
+	l := &Label{}
+	has, err := e.Where("name=? AND repo_id=?", labelName, repoID).Get(l)
 	if err != nil {
 		return nil, err
 	} else if !has {

models/login_source.go

 // CreateLoginSource inserts a LoginSource in the DB if not already
 // existing with the given name.
 func CreateLoginSource(source *LoginSource) error {
-	has, err := x.Get(&LoginSource{Name: source.Name})
+	has, err := x.Where("name=?", source.Name).Exist(new(LoginSource))
 	if err != nil {
 		return err
 	} else if has {

models/twofactor.go

 // GetTwoFactorByUID returns the two-factor authentication token associated with
 // the user, if any.
 func GetTwoFactorByUID(uid int64) (*TwoFactor, error) {
-	twofa := &TwoFactor{UID: uid}
-	has, err := x.Get(twofa)
+	twofa := &TwoFactor{}
+	has, err := x.Where("uid=?", uid).Get(twofa)
 	if err != nil {
 		return nil, err
 	} else if !has {

models/upload.go

 
 // GetUploadByUUID returns the Upload by UUID
 func GetUploadByUUID(uuid string) (*Upload, error) {
-	upload := &Upload{UUID: uuid}
-	has, err := x.Get(upload)
+	upload := &Upload{}
+	has, err := x.Where("uuid=?", uuid).Get(upload)
 	if err != nil {
 		return nil, err
 	} else if !has {

models/user.go

 	// Finally, if email address is the protected email address:
 	if strings.HasSuffix(email, fmt.Sprintf("@%s", setting.Service.NoReplyAddress)) {
 		username := strings.TrimSuffix(email, fmt.Sprintf("@%s", setting.Service.NoReplyAddress))
-		user := &User{LowerName: username}
-		has, err := x.Get(user)
+		user := &User{}
+		has, err := x.Where("lower_name=?", username).Get(user)
 		if err != nil {
 			return nil, err
 		}

models/user_mail.go

 // GetEmailAddressByID gets a user's email address by ID
 func GetEmailAddressByID(uid, id int64) (*EmailAddress, error) {
 	// User ID is required for security reasons
-	email := &EmailAddress{ID: id, UID: uid}
-	if has, err := x.Get(email); err != nil {
+	email := &EmailAddress{UID: uid}
+	if has, err := x.ID(id).Get(email); err != nil {
 		return nil, err
 	} else if !has {
 		return nil, nil
 		return true, nil
 	}
 
-	return e.Get(&EmailAddress{Email: email})
+	return e.Where("email=?", email).Get(&EmailAddress{})
 }
 
 // IsEmailUsed returns true if the email has been used.
 		return ErrEmailNotActivated
 	}
 
-	user := &User{ID: email.UID}
-	has, err = x.Get(user)
+	user := &User{}
+	has, err = x.ID(email.UID).Get(user)
 	if err != nil {
 		return err
 	} else if !has {

models/user_openid.go

 	log.Trace("Normalized OpenID URI: " + uri)
 
 	// Otherwise, check in openid table
-	oid := &UserOpenID{URI: uri}
-	has, err := x.Get(oid)
+	oid := &UserOpenID{}
+	has, err := x.Where("uri=?", uri).Get(oid)
 	if err != nil {
 		return nil, err
 	}