Refactor switching login type code into app layer and add v4 endpoint (#6000)

* Refactor switching login type code into app layer and add v4 endpoint

* Fix unit test

1 files changed, 62 insertions, 0 deletions

diff --git a/model/switch_request.go b/model/switch_request.go
new file mode 100644
index 000000000..44fbb27a9
--- /dev/null
+++ b/model/switch_request.go
@@ -0,0 +1,62 @@
+// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type SwitchRequest struct {
+	CurrentService string `json:"current_service"`
+	NewService     string `json:"new_service"`
+	Email          string `json:"email"`
+	Password       string `json:"current_password"`
+	NewPassword    string `json:"new_password"`
+	MfaCode        string `json:"mfa_code"`
+	LdapId         string `json:"ldap_id"`
+}
+
+func (o *SwitchRequest) ToJson() string {
+	b, err := json.Marshal(o)
+	if err != nil {
+		return ""
+	} else {
+		return string(b)
+	}
+}
+
+func SwitchRequestFromJson(data io.Reader) *SwitchRequest {
+	decoder := json.NewDecoder(data)
+	var o SwitchRequest
+	err := decoder.Decode(&o)
+	if err == nil {
+		return &o
+	} else {
+		return nil
+	}
+}
+
+func (o *SwitchRequest) EmailToOAuth() bool {
+	return o.CurrentService == USER_AUTH_SERVICE_EMAIL &&
+		(o.NewService == USER_AUTH_SERVICE_SAML ||
+			o.NewService == USER_AUTH_SERVICE_GITLAB ||
+			o.NewService == SERVICE_GOOGLE ||
+			o.NewService == SERVICE_OFFICE365)
+}
+
+func (o *SwitchRequest) OAuthToEmail() bool {
+	return (o.CurrentService == USER_AUTH_SERVICE_SAML ||
+		o.CurrentService == USER_AUTH_SERVICE_GITLAB ||
+		o.CurrentService == SERVICE_GOOGLE ||
+		o.CurrentService == SERVICE_OFFICE365) && o.NewService == USER_AUTH_SERVICE_EMAIL
+}
+
+func (o *SwitchRequest) EmailToLdap() bool {
+	return o.CurrentService == USER_AUTH_SERVICE_EMAIL && o.NewService == USER_AUTH_SERVICE_LDAP
+}
+
+func (o *SwitchRequest) LdapToEmail() bool {
+	return o.CurrentService == USER_AUTH_SERVICE_LDAP && o.NewService == USER_AUTH_SERVICE_EMAIL
+}