#146 Terms of Service Phase 2 (#9731)

* #132 added UserTermsOfService model

* #132 added UserTermsOfService model

* #132 added logic to save user TOS data in a new table

* #132 Added logic to save and delete user TOS. Updated user TOS action logic

* #132 updated store mocks

* #132 added tests

* #132 removed cache from UserTermsOfService SQL store

* #132 fixed styling and license check

* #132 added message translations in en.json

* #132 fixed save user TOS logic to work second time as well

* #132 removed User.AcceptedTermsOfService colum and migrated accepted TOS data into new table

* #132 fixed formatting

* #132 fixed formatting

* #146 added field 'mandatory' to terms of service

* #146 updated tests

* #146 added getLatestTermsOfService API

* #146 Added tests

* #146 fixed styling

* #146 removed code for managing mandatory/optional TOS

* #146 Added TOS re-acceptance period config

* #146 fixed styling

* #146 removed some code left for debugging

* #146 added TOS re-acceptance period in config

* #146 fixed a json name from service_terms to terms_of_service

* #146 Minor refactoring and added TOS re-acceptance period to diagnistics

* Fixed style

* Updated upgraded script to keep app backward compatible

model/config.go

@@ -112,6 +112,7 @@ const (
 	SUPPORT_SETTINGS_DEFAULT_HELP_LINK             = "https://about.mattermost.com/default-help/"
 	SUPPORT_SETTINGS_DEFAULT_REPORT_A_PROBLEM_LINK = "https://about.mattermost.com/default-report-a-problem/"
 	SUPPORT_SETTINGS_DEFAULT_SUPPORT_EMAIL         = "feedback@mattermost.com"
+	SUPPORT_SETTINGS_DEFAULT_RE_ACCEPTANCE_PERIOD  = 365
 
 	LDAP_SETTINGS_DEFAULT_FIRST_NAME_ATTRIBUTE = ""
 	LDAP_SETTINGS_DEFAULT_LAST_NAME_ATTRIBUTE  = ""
@@ -1030,13 +1031,14 @@ type PrivacySettings struct {
 }
 
 type SupportSettings struct {
-	TermsOfServiceLink          *string
-	PrivacyPolicyLink           *string
-	AboutLink                   *string
-	HelpLink                    *string
-	ReportAProblemLink          *string
-	SupportEmail                *string
-	CustomTermsOfServiceEnabled *bool
+	TermsOfServiceLink                     *string
+	PrivacyPolicyLink                      *string
+	AboutLink                              *string
+	HelpLink                               *string
+	ReportAProblemLink                     *string
+	SupportEmail                           *string
+	CustomTermsOfServiceEnabled            *bool
+	CustomTermsOfServiceReAcceptancePeriod *int
 }
 
 func (s *SupportSettings) SetDefaults() {
@@ -1087,6 +1089,10 @@ func (s *SupportSettings) SetDefaults() {
 	if s.CustomTermsOfServiceEnabled == nil {
 		s.CustomTermsOfServiceEnabled = NewBool(false)
 	}
+
+	if s.CustomTermsOfServiceReAcceptancePeriod == nil {
+		s.CustomTermsOfServiceReAcceptancePeriod = NewInt(SUPPORT_SETTINGS_DEFAULT_RE_ACCEPTANCE_PERIOD)
+	}
 }
 
 type AnnouncementSettings struct {