Plugin groups (#30320)

* add new pluginapi methods

* SAML login hook

* set ReAddRemovedMembers to true for plugin groups

* change to DoLogin signature for SAML

webapp/platform/client/src/client4.ts

@@ -3713,14 +3713,14 @@ export default class Client4 {
         );
     };
 
-    getGroupsNotAssociatedToTeam = (teamID: string, q = '', page = 0, perPage = PER_PAGE_DEFAULT, source = 'ldap') => {
+    getGroupsNotAssociatedToTeam = (teamID: string, q = '', page = 0, perPage = PER_PAGE_DEFAULT, source = 'ldap', onlySyncableSources = false) => {
         return this.doFetch<Group[]>(
-            `${this.getGroupsRoute()}${buildQueryString({not_associated_to_team: teamID, page, per_page: perPage, q, include_member_count: true, group_source: source})}`,
+            `${this.getGroupsRoute()}${buildQueryString({not_associated_to_team: teamID, page, per_page: perPage, q, include_member_count: true, group_source: source, only_syncable_sources: onlySyncableSources})}`,
             {method: 'get'},
         );
     };
 
-    getGroupsNotAssociatedToChannel = (channelID: string, q = '', page = 0, perPage = PER_PAGE_DEFAULT, filterParentTeamPermitted = false, source = 'ldap') => {
+    getGroupsNotAssociatedToChannel = (channelID: string, q = '', page = 0, perPage = PER_PAGE_DEFAULT, filterParentTeamPermitted = false, source = 'ldap', onlySyncableSources = false) => {
         const query = {
             not_associated_to_channel: channelID,
             page,
@@ -3729,6 +3729,7 @@ export default class Client4 {
             include_member_count: true,
             filter_parent_team_permitted: filterParentTeamPermitted,
             group_source: source,
+            only_syncable_sources: onlySyncableSources,
         };
         return this.doFetch<Group[]>(
             `${this.getGroupsRoute()}${buildQueryString(query)}`,

webapp/platform/types/src/groups.ts

@@ -43,11 +43,22 @@ export type Group = {
     member_ids?: string[];
 };
 
+/**
+ * Main sources for groups
+ */
 export enum GroupSource {
     Ldap = 'ldap',
     Custom = 'custom',
 }
 
+/**
+ * Special prefixes that can be added to group sources when they come from plugins
+ * Used for identifying plugin-created groups by checking if source starts with this prefix
+ */
+export enum PluginGroupSourcePrefix {
+    Plugin = 'plugin_'
+}
+
 export type GroupTeam = {
     team_id: string;
     team_display_name: string;