public with sharing class DP_CL_SwitchDealership {
    @AuraEnabled
    public static User getUser(){
        User thisUser = [select Id, Name from User where Id = :userInfo.getUserId()];
        return thisUser;
    }

    @AuraEnabled
    public static List<Group> getAllGroups() {
        List<Group> myGroups = new List<Group>();
        myGroups = [SELECT Id, Name FROM Group WHERE (Type = 'Regular')];
        return myGroups;
    }

    @AuraEnabled
    public static List<Group> getGroupsOfUser() {
        List<Group> myGroups = new List<Group>();
        myGroups = [SELECT Id, Name FROM Group WHERE Id IN (SELECT GroupId FROM GroupMember WHERE UserOrGroupId = :userInfo.getUserId() AND UserOrGroupId != null)];
        return myGroups;
    }

    @AuraEnabled
    public static List<AccountContactRelation> getMyRelAccounts() {
        List<AccountContactRelation> myAccounts = [SELECT AccountId, ContactId, Account.Name, Account.DP_Group_Id__c FROM AccountContactRelation WHERE Contact.DP_Related_User__c = :userInfo.getUserId()];
        return myAccounts;
    }

    @AuraEnabled
    public static List<Group> doThisPublicGroupOnly(Id groupId) {
        Group g = [SELECT Id, Name FROM Group WHERE Id = :groupId];
        List<User> users = [SELECT Id, Name FROM User WHERE Id = :userInfo.getUserId()];

        //remove
        List<GroupMember> listGroupMemberRemove = [SELECT Id FROM GroupMember WHERE (UserOrGroupID = :userInfo.getUserId())];
        if(listGroupMemberRemove.size() > 0 ) {
            delete listGroupMemberRemove;
        }

        //add
        List<GroupMember> listGroupMemberAdd = new List<GroupMember>();
        for (User u : users ) {
            GroupMember gm = new GroupMember();
            gm.GroupId = g.id;
            gm.UserOrGroupId = u.id;
            listGroupMemberAdd.add(gm);
        }
        insert listGroupMemberAdd;

        List<Group> myGroups = new List<Group>();
        myGroups = [SELECT Id, Name FROM Group WHERE Id IN (SELECT GroupId FROM GroupMember WHERE UserOrGroupId = :userInfo.getUserId() AND UserOrGroupId != null)];
        return myGroups;
    }
}