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C++

/*
File: Service.cpp
Description: Implements the Service class which represents a vehicle service in the Vehicle Service Management System.
Provides constructors, accessors, and mutators for service details such as ID, name, required inventory items,
labor cost, and state.
Author: Trenser
Date: 19-May-2026
*/
#include <sstream>
#include "Service.h"
#include "InventoryItem.h"
#include "StringHelper.h"
#include "Factory.h"
int Service::m_uid = 0;
/*
Function: Service
Description: Default constructor that initializes a new service with a unique ID,
active state, and zero labor cost.
Parameters:
- None
Returns:
- A new Service object.
*/
Service::Service()
: m_id("SRV" + std::to_string(++m_uid)),
m_status(util::State::ACTIVE),
m_laborCost(0.0) {}
/*
Function: Service
Description: Parameterized constructor that initializes a new service with a unique ID and specified details.
Parameters:
- name: Name of the service.
- requiredInventoryItems: Map of inventory items required for the service.
- laborCost: Labor cost associated with the service.
Returns:
- A new Service object.
*/
Service::Service(const std::string& name, const util::Map<std::string, InventoryItem*>& requiredInventoryItems, double laborCost)
: m_id("SRV" + std::to_string(++m_uid)),
m_name(name),
m_requiredInventoryItems(requiredInventoryItems),
m_status(util::State::ACTIVE),
m_laborCost(laborCost)
{
int numberOfInventoryItems = m_requiredInventoryItems.getSize();
auto inventoryItemPointers = m_requiredInventoryItems.getValues();
for (int index = 0; index < numberOfInventoryItems; index++)
{
m_requiredInventoryItemIDs.push_back(inventoryItemPointers[index]->getId());
}
}
/*
Function: Service (parameterized constructor with ID)
Description: Initializes a service with an existing ID, name, inventory item IDs,
labor cost, and state. Updates UID tracking based on ID.
Parameters:
- id: const std::string&, unique service ID
- name: const std::string&, name of the service
- requiredInventoryItemIDs: const util::Vector<std::string>&, IDs of required inventory items
- laborCost: double, labor cost of the service
- status: util::State, state of the service (ACTIVE/INACTIVE)
Returns:
- A new Service object
*/
Service::Service(const std::string& id, const std::string& name, const util::Vector<std::string>& requiredInventoryItemIDs, double laborCost, util::State status)
: m_id(id),
m_name(name),
m_requiredInventoryItemIDs(requiredInventoryItemIDs),
m_status(status),
m_laborCost(laborCost)
{
int idNumber = util::extractNumber(m_id);
if (idNumber > m_uid)
{
m_uid = idNumber;
}
}
/*
Function: getId
Description: Retrieves the unique ID of the service.
Returns:
- const std::string& representing the service ID.
*/
const std::string& Service::getId() const
{
return m_id;
}
/*
Function: getName
Description: Retrieves the name of the service.
Returns:
- const std::string& representing the service name.
*/
const std::string& Service::getName() const
{
return m_name;
}
/*
Function: getRequiredInventoryItemIDs
Description: Retrieves the IDs of required inventory items for the service.
Parameters:
- None
Returns:
- const util::Vector<std::string>&: Inventory item IDs
*/
const util::Vector<std::string>& Service::getRequiredInventoryItemIDs() const
{
return m_requiredInventoryItemIDs;
}
/*
Function: getRequiredInventoryItems
Description: Retrieves the map of inventory items required for the service.
Returns:
- const util::Map<std::string, InventoryItem*>& representing the required inventory items.
*/
const util::Map<std::string, InventoryItem*>& Service::getRequiredInventoryItems() const
{
return m_requiredInventoryItems;
}
/*
Function: getLaborCost
Description: Retrieves the labor cost associated with the service.
Returns:
- double representing the labor cost.
*/
double Service::getLaborCost() const
{
return m_laborCost;
}
/*
Function: getState
Description: Retrieves the current state (ACTIVE/INACTIVE) of the service.
Returns:
- util::State representing the service state.
*/
util::State Service::getState() const
{
return m_status;
}
/*
Function: setId
Description: Sets the unique ID of the service.
Parameters:
- id: New service ID string.
Returns:
- void
*/
void Service::setId(const std::string& id)
{
m_id = id;
}
/*
Function: setName
Description: Sets the name of the service.
Parameters:
- name: New service name string.
Returns:
- void
*/
void Service::setName(const std::string& name)
{
m_name = name;
}
/*
Function: setRequiredInventoryItems
Description: Sets the inventory items required for the service.
Parameters:
- requiredInventoryItems: Map of inventory items.
Returns:
- void
*/
void Service::setRequiredInventoryItems(const util::Map<std::string, InventoryItem*>& requiredInventoryItems)
{
m_requiredInventoryItems = requiredInventoryItems;
m_requiredInventoryItemIDs.clear();
int numberOfRequiredInventoryItems = m_requiredInventoryItems.getSize();
auto inventoryItemPointers = m_requiredInventoryItems.getValues();
for (int index = 0; index < numberOfRequiredInventoryItems; index++)
{
m_requiredInventoryItemIDs.push_back(inventoryItemPointers[index]->getId());
}
}
/*
Function: setLaborCost
Description: Sets the labor cost for the service.
Parameters:
- laborCost: New labor cost value.
Returns:
- void
*/
void Service::setLaborCost(double laborCost)
{
m_laborCost = laborCost;
}
/*
Function: setState
Description: Sets the state (ACTIVE/INACTIVE) of the service.
Parameters:
- status: New state value.
Returns:
- void
*/
void Service::setState(util::State status)
{
m_status = status;
}
/*
Function: getInventoryItemIDsAsString (static helper)
Description: Converts a vector of inventory item IDs into a single string separated by '|'.
Parameters:
- inventoryItemIds: const util::Vector<std::string>&, vector of inventory item IDs
Returns:
- std::string: Concatenated inventory item IDs string
*/
static std::string getInventoryItemIDsAsString(const util::Vector<std::string>& inventoryItemIds)
{
int numberOfInventoryItems = inventoryItemIds.getSize();
std::string inventoryItemIDs;
for (int index = 0; index < numberOfInventoryItems; index++)
{
inventoryItemIDs += inventoryItemIds[index];
if (index < numberOfInventoryItems - 1)
{
inventoryItemIDs += '|';
}
}
return inventoryItemIDs;
}
/*
Function: getInventoryItemIDsAsVector (static helper)
Description: Converts a string of inventory item IDs separated by '|' into a vector.
Parameters:
- inventoryItemIDsString: const std::string&, concatenated inventory item IDs string
Returns:
- util::Vector<std::string>: Vector of inventory item IDs
*/
static util::Vector<std::string> getInventoryItemIDsAsVector(const std::string& inventoryItemIDsString)
{
util::Vector<std::string> inventoryItemIDs;
std::string inventoryItemID;
std::istringstream serializedInventoryItemIDs(inventoryItemIDsString);
while (getline(serializedInventoryItemIDs, inventoryItemID, '|'))
{
inventoryItemIDs.push_back(inventoryItemID);
}
return inventoryItemIDs;
}
/*
Function: serialize
Description: Serializes the service into a CSV-formatted string.
Parameters:
- None
Returns:
- std::string: Serialized service record
*/
std::string Service::serialize() const
{
std::ostringstream serializedService;
serializedService << m_id << ','
<< m_name << ','
<< getInventoryItemIDsAsString(m_requiredInventoryItemIDs) << ','
<< m_laborCost << ','
<< util::getStateString(m_status);
return serializedService.str();
}
/*
Function: deserialize
Description: Deserializes a CSV-formatted string into a Service object.
Parameters:
- record: const std::string&, serialized service record
Returns:
- Service*: Pointer to the deserialized Service object
Throws:
- std::runtime_error if labor cost parsing fails
*/
Service* Service::deserialize(const std::string& record)
{
std::string id, name;
std::string inventoryItemIDsString, laborCostString, statusString;
double laborCost;
std::istringstream serializedService(record);
getline(serializedService, id, ',');
getline(serializedService, name, ',');
getline(serializedService, inventoryItemIDsString, ',');
getline(serializedService, laborCostString, ',');
getline(serializedService, statusString, ',');
util::Vector<std::string> inventoryItemIDs = getInventoryItemIDsAsVector(inventoryItemIDsString);
try
{
laborCost = std::stod(laborCostString);
}
catch (...)
{
throw std::runtime_error("Invalid labor cost");
}
util::State status = util::getState(statusString);
return Factory::getObject<Service>(
id,
name,
inventoryItemIDs,
laborCost,
status
);
}
/*
Function: getHeaders
Description: Retrieves the CSV headers for service serialization.
Parameters:
- None
Returns:
- std::string: Header string ("ID,Name,InventoryIDs,LaborCost,Status")
*/
std::string Service::getHeaders()
{
return "ID,Name,InventoryIDs,LaborCost,Status";
}