drn::file_storage::BudgetFile Class Reference

The manager for interacting with a budget file. More...

#include <BudgetFile.hpp>

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Public Member Functions
	BudgetFile ()
	BudgetFile (const QString &fileLocation, const QString &backUpExtension=BudgetFile::defaultBackUpExtension_)
	Initialises the entire object using the supplied values.
const QString &	backUpExtension () const
	The extension to use when backing-up a budget file.
void	changeLocation (const ::QString &fileLocation) override
	Changes the location of the budget file to load.
const QString &	directoryPath () const
	The absolute directory path of the budget file.
storage::BudgetStorage::Data	load () const override
	Loads the budget file from the local file-system.
const QString &	name () const noexcept override
	The file name of the budget file.
void	store (const storage::BudgetStorage::Data &data) const override
	Creates or overwrites the budget file to the local file-system. When overwriting the budget file, a back-up copy is created in the same directory.
Public Member Functions inherited from drn::storage::BudgetStorage
	BudgetStorage ()=default
	BudgetStorage (BudgetStorage &&)=default
	BudgetStorage (const BudgetStorage &)=delete
virtual	~BudgetStorage ()=default
BudgetStorage &	operator= (BudgetStorage &&)=default
BudgetStorage &	operator= (const BudgetStorage &)=delete

Static Public Attributes
static const QChar	defaultBackUpExtension_
static const QString	oldBackUpExtension_
	The extension used when backing-up a back-up to a budget file.

Detailed Description

The manager for interacting with a budget file.

Constructor & Destructor Documentation

BudgetFile() [1/2]

drn::file_storage::BudgetFile::BudgetFile

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BudgetFile() [2/2]

drn::file_storage::BudgetFile::BudgetFile ( const QString & fileLocation, const QString & backUpExtension = BudgetFile::defaultBackUpExtension_ )

explicit

Initialises the entire object using the supplied values.

Exceptions

Error	When the supplied file location is empty.
Error	When the supplied file location is not absolute.
Error	When the supplied back-up extension starts with the full stop file separator ('.').

Parameters

fileLocation	The file name and absolute directory path of the budget file. The text after the last directory separator is assumed to be the name of the budget file.
backUpExtension	(Optional) The extension to use when backing-up a pre-existing budget file. When this is not the default, it must not start with the full stop.

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Member Function Documentation

backUpExtension()

const QString & drn::file_storage::BudgetFile::backUpExtension ( ) const

nodiscard

The extension to use when backing-up a budget file.

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changeLocation()

void drn::file_storage::BudgetFile::changeLocation ( const ::QString & fileLocation )

overridevirtual

Changes the location of the budget file to load.

Exceptions

StorageError

When the location is invalid.

Parameters

fileLocation

The directory path and file-name of the budget file to use.

Implements drn::storage::BudgetStorage.

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directoryPath()

const QString & drn::file_storage::BudgetFile::directoryPath ( ) const

nodiscard

The absolute directory path of the budget file.

load()

storage::BudgetStorage::Data drn::file_storage::BudgetFile::load ( ) const

nodiscardoverridevirtual

Loads the budget file from the local file-system.

Exceptions

StorageError

When the budget file cannot be found.

Returns

The values loaded for the budget file.

Implements drn::storage::BudgetStorage.

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name()

const QString & drn::file_storage::BudgetFile::name ( ) const

nodiscardoverridevirtualnoexcept

The file name of the budget file.

Implements drn::storage::BudgetStorage.

store()

void drn::file_storage::BudgetFile::store ( const storage::BudgetStorage::Data & data ) const

overridevirtual

Creates or overwrites the budget file to the local file-system. When overwriting the budget file, a back-up copy is created in the same directory.

Exceptions

StorageError	When the budget file cannot be saved.
StorageError	When the budget file cannot be backed-up prior to saving.

Parameters

[in]

data

The budget data to store.

Implements drn::storage::BudgetStorage.

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Member Data Documentation

defaultBackUpExtension_

const QChar drn::file_storage::BudgetFile::defaultBackUpExtension_

static

The default extension used when backing-up a budget file, on systems like KDE this will show a nice back-up icon.

oldBackUpExtension_

const QString drn::file_storage::BudgetFile::oldBackUpExtension_

static

The extension used when backing-up a back-up to a budget file.