Expose public/ API as submodule (#23345)

* model -> public/model

* plugin -> public/plugin

* public/model/utils -> public/utils

* platform/shared/mlog -> public/shared/mlog

* platform/shared/i18n -> public/shared/i18n

* platform/shared/markdown -> public/shared/markdown

* platform/services/timezones -> public/shared/timezones

* channels/einterfaces -> einterfaces

* expose public/ submodule

* go mod tidy

* .github: cache-dependency-path, setup-go-work

* modules-tidy for public/ too

* remove old gomodtidy

server/public/model/switch_request.go

@@ -0,0 +1,48 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type SwitchRequest struct {
+	CurrentService string `json:"current_service"`
+	NewService     string `json:"new_service"`
+	Email          string `json:"email"`
+	Password       string `json:"password"`
+	NewPassword    string `json:"new_password"`
+	MfaCode        string `json:"mfa_code"`
+	LdapLoginId    string `json:"ldap_id"`
+}
+
+func (o *SwitchRequest) Auditable() map[string]interface{} {
+	return map[string]interface{}{
+		"current_service": o.CurrentService,
+		"new_service":     o.NewService,
+		"email":           o.Email,
+		"ldap_login_id":   o.LdapLoginId,
+	}
+}
+
+func (o *SwitchRequest) EmailToOAuth() bool {
+	return o.CurrentService == UserAuthServiceEmail &&
+		(o.NewService == UserAuthServiceSaml ||
+			o.NewService == UserAuthServiceGitlab ||
+			o.NewService == ServiceGoogle ||
+			o.NewService == ServiceOffice365 ||
+			o.NewService == ServiceOpenid)
+}
+
+func (o *SwitchRequest) OAuthToEmail() bool {
+	return (o.CurrentService == UserAuthServiceSaml ||
+		o.CurrentService == UserAuthServiceGitlab ||
+		o.CurrentService == ServiceGoogle ||
+		o.CurrentService == ServiceOffice365 ||
+		o.CurrentService == ServiceOpenid) && o.NewService == UserAuthServiceEmail
+}
+
+func (o *SwitchRequest) EmailToLdap() bool {
+	return o.CurrentService == UserAuthServiceEmail && o.NewService == UserAuthServiceLdap
+}
+
+func (o *SwitchRequest) LdapToEmail() bool {
+	return o.CurrentService == UserAuthServiceLdap && o.NewService == UserAuthServiceEmail
+}