pollymc/logic/updater/GoUpdate.h
2015-04-12 20:57:18 +02:00

135 lines
3.5 KiB
C++

#pragma once
#include <QByteArray>
#include <net/NetJob.h>
namespace GoUpdate
{
/**
* A temporary object exchanged between updated checker and the actual update task
*/
struct Status
{
bool updateAvailable = false;
int newVersionId = -1;
QString newRepoUrl;
int currentVersionId = -1;
QString currentRepoUrl;
// path to the root of the application
QString rootPath;
};
/**
* Struct that describes an entry in a VersionFileEntry's `Sources` list.
*/
struct FileSource
{
FileSource(QString type, QString url, QString compression="")
{
this->type = type;
this->url = url;
this->compressionType = compression;
}
bool operator==(const FileSource &f2) const
{
return type == f2.type && url == f2.url && compressionType == f2.compressionType;
}
QString type;
QString url;
QString compressionType;
};
typedef QList<FileSource> FileSourceList;
/**
* Structure that describes an entry in a GoUpdate version's `Files` list.
*/
struct VersionFileEntry
{
QString path;
int mode;
FileSourceList sources;
QString md5;
bool operator==(const VersionFileEntry &v2) const
{
return path == v2.path && mode == v2.mode && sources == v2.sources && md5 == v2.md5;
}
};
typedef QList<VersionFileEntry> VersionFileList;
/**
* Structure that describes an operation to perform when installing updates.
*/
struct Operation
{
static Operation CopyOp(QString fsource, QString fdest, int fmode=0644) { return Operation{OP_COPY, fsource, fdest, fmode}; }
static Operation MoveOp(QString fsource, QString fdest, int fmode=0644) { return Operation{OP_MOVE, fsource, fdest, fmode}; }
static Operation DeleteOp(QString file) { return Operation{OP_DELETE, file, "", 0644}; }
static Operation ChmodOp(QString file, int fmode) { return Operation{OP_CHMOD, file, "", fmode}; }
// FIXME: for some types, some of the other fields are irrelevant!
bool operator==(const Operation &u2) const
{
return type == u2.type && file == u2.file && dest == u2.dest && mode == u2.mode;
}
//! Specifies the type of operation that this is.
enum Type
{
OP_COPY,
OP_DELETE,
OP_MOVE,
OP_CHMOD,
} type;
//! The file to operate on. If this is a DELETE or CHMOD operation, this is the file that will be modified.
QString file;
//! The destination file. If this is a DELETE or CHMOD operation, this field will be ignored.
QString dest;
//! The mode to change the source file to. Ignored if this isn't a CHMOD operation.
int mode;
};
typedef QList<Operation> OperationList;
/**
* Takes the @OperationList list and writes an install script for the updater to the update files directory.
*/
bool writeInstallScript(OperationList& opsList, QString scriptFile);
/**
* Loads the file list from the given version info JSON object into the given list.
*/
bool parseVersionInfo(const QByteArray &data, VersionFileList& list, QString &error);
/*!
* Takes a list of file entries for the current version's files and the new version's files
* and populates the downloadList and operationList with information about how to download and install the update.
*/
bool processFileLists
(
const VersionFileList &currentVersion,
const VersionFileList &newVersion,
const QString &rootPath,
const QString &tempPath,
NetJobPtr job,
OperationList &ops,
bool useLocalUpdater
);
/*!
* This fixes destination paths for OSX - removes 'MultiMC.app' prefix
* The updater runs in MultiMC.app/Contents/MacOs by default
* The destination paths are such as this: MultiMC.app/blah/blah
*
* @return false if the path couldn't be fixed (is invalid)
*/
bool fixPathForOSX(QString &path);
}
Q_DECLARE_METATYPE(GoUpdate::Status);