package com.example.cosmos_serversb.models;


import java.util.*;
import javax.inject.Singleton;
import com.example.cosmos_serversb.entities.*;


@Singleton

public class Groups {
    private static Groups thaInstance = null;
    private ArrayList<Group> accounts = new ArrayList<>();

    private Groups(){

    }

    public static Groups getInstance(){
        if(thaInstance == null){
            thaInstance = new Groups();
        }
        return thaInstance;
    }


    public HashMap<String, String> getGroupsListByUid(String uId){
        return null;
    }

    public Group createGroup(String name, String uId){
        return null;
    }

    public Group getGroupInfoByGid(String gId){
        return null;
    }

    public DeleteResult deleteGroup(String gId){
        return null;
    }

    public HashMap<String, String> getMembersListByGid(String gId){
        return null;
    }

    public HashMap<String, String> addMember(String gId, String uId){
        return null;
    }

    public HashMap<String, String> deleteMember(String gId, String uId){
        return null;
    }

    public HashMap<String, String> getRequestsListByGid(String gId){
        return null;
    }

    public Request addRequests(String gId, String uId, String product,
                               String deadline, int location){
        return null;
    }

    public Request getRequestDetailByGidAndRid(String gId, String rId){
        return null;
    }

    public Request updateRequest(String gId, String rId, String uId, String product,
                                 String deadline, int location, boolean done){
        return null;
    }

    public DeleteResult deleteRequest(String gId, String rId){
        return null;
    }
}