FCServiceAPI.apxc

public without sharing class FCServiceAPI {
    
    public FCGenericResponse genericWrapperResponse{get; set;}
    public Object objWrap {get; set;}
    public FCGatewayAPI gateway {get;set;}
    public String method {get;set;}
    public String endPoint {get;set;}
    
    public Boolean isJsonString {get;set;}
    public String identityDataTarget {get;set;}
    
    public Boolean isExpectedResponseInAformOfList {get;set;}
    
    public FCServiceAPI(){
        gateway = new FCGatewayAPI();
    }

    public void Fitch_GenericResponse(){
        String requestBody =  null != isJsonString && isJsonString ? String.valueOf(objWrap) : objWrapToJSONString(objWrap);
        gateway.identityDataTarget = this.identityDataTarget;
        
        HttpResponse response =  gateway.execute(endPoint, method, requestBody);
        
        Set<Integer> OK_STATUS = new Set<Integer>{200, 201, 204};
        if(!OK_STATUS.contains(response.getStatusCode())){
            genericWrapperResponse = new FCGenericResponse(JSON.deserializeUntyped(response.getBody()),true,response.getStatusCode(),'' );
        }else{
			genericWrapperResponse = new FCGenericResponse(jsonStringToObjWrap(response),false,response.getStatusCode(),'' );
		}
    }
    
    public String objWrapToJSONString(Object objWrap){
        if(objWrap instanceof FCObject){
            return JSON.serialize((FCObject) objWrap);
        }else if(objWrap instanceof FCObject.ADD_USER_RELATIONSHIPS_GROUP){
            return String.valueOf((FCObject.ADD_USER_RELATIONSHIPS_GROUP) objWrap);
        }
        return null;
    }
    
    /*public Object jsonStringToObjWrap(HttpResponse response){
        if(String.isEmpty(response.getBody())){
            return null;
        }else if(JSON.deserialize(response.getBody(), FCObject.class) instanceof FCObject){
            return JSON.deserialize(response.getBody(), FCObject.class);
        }else if(JSON.deserialize(response.getBody(), FCObject.ERRORS.class) instanceof FCObject.ERRORS){
            return JSON.deserialize(response.getBody(), FCObject.ERRORS.class);
        }
        //return response.getBody();
        return null;
    }*/  
    
    public Object jsonStringToObjWrap(HttpResponse response){
        Set<String> identityDataSet = new Set<String>{'organization', 'user', 'group','package','contact'};
        if(String.isEmpty(response.getBody())){
            return null;
        }else{
            if(null != isExpectedResponseInAformOfList && isExpectedResponseInAformOfList){
                if(identityDataSet.contains(this.identityDataTarget)){
                    return JSON.deserialize(response.getBody(), FCObject.FCObjectList.class);
                }
            }else{
                if(identityDataSet.contains(this.identityDataTarget)){
                    return JSON.deserialize(response.getBody(), FCObject.class);
                }
            }
        }
        //return response.getBody();
        return null;
    }
    
}