summaryrefslogtreecommitdiffstats
path: root/api/logic/InstanceImportTask.cpp
blob: 2389777822adb8435e6ab4f596182e25ff5cdf72 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164

#include "InstanceImportTask.h"
#include "BaseInstance.h"
#include "BaseInstanceProvider.h"
#include "FileSystem.h"
#include "Env.h"
#include "MMCZip.h"
#include "NullInstance.h"
#include "settings/INISettingsObject.h"
#include "icons/IIconList.h"
#include <QtConcurrentRun>

InstanceImportTask::InstanceImportTask(SettingsObjectPtr settings, const QUrl sourceUrl, BaseInstanceProvider * target,
	const QString &instName, const QString &instIcon, const QString &instGroup)
{
	m_globalSettings = settings;
	m_sourceUrl = sourceUrl;
	m_target = target;
	m_instName = instName;
	m_instIcon = instIcon;
	m_instGroup = instGroup;
}

void InstanceImportTask::executeTask()
{
	InstancePtr newInstance;

	if (m_sourceUrl.isLocalFile())
	{
		m_archivePath = m_sourceUrl.toLocalFile();
		extractAndTweak();
	}
	else
	{
		setStatus(tr("Downloading modpack:\n%1").arg(m_sourceUrl.toString()));
		m_downloadRequired = true;

		const QString path = m_sourceUrl.host() + '/' + m_sourceUrl.path();
		auto entry = ENV.metacache()->resolveEntry("general", path);
		entry->setStale(true);
		m_filesNetJob.reset(new NetJob(tr("Modpack download")));
		m_filesNetJob->addNetAction(Net::Download::makeCached(m_sourceUrl, entry));
		m_archivePath = entry->getFullPath();
		auto job = m_filesNetJob.get();
		connect(job, &NetJob::succeeded, this, &InstanceImportTask::downloadSucceeded);
		connect(job, &NetJob::progress, this, &InstanceImportTask::downloadProgressChanged);
		connect(job, &NetJob::failed, this, &InstanceImportTask::downloadFailed);
		m_filesNetJob->start();
	}
}

void InstanceImportTask::downloadSucceeded()
{
	extractAndTweak();
}

void InstanceImportTask::downloadFailed(QString reason)
{
	emitFailed(reason);
}

void InstanceImportTask::downloadProgressChanged(qint64 current, qint64 total)
{
	setProgress(current / 2, total);
}

static QFileInfo findRecursive(const QString &dir, const QString &name)
{
	for (const auto info : QDir(dir).entryInfoList(QDir::NoDotAndDotDot | QDir::Dirs | QDir::Files, QDir::DirsLast))
	{
		if (info.isFile() && info.fileName() == name)
		{
			return info;
		}
		else if (info.isDir())
		{
			const QFileInfo res = findRecursive(info.absoluteFilePath(), name);
			if (res.isFile() && res.exists())
			{
				return res;
			}
		}
	}
	return QFileInfo();
}

void InstanceImportTask::extractAndTweak()
{
	setStatus(tr("Extracting modpack"));
	m_stagingPath = m_target->getStagedInstancePath();
	QDir extractDir(m_stagingPath);
	qDebug() << "Attempting to create instance from" << m_archivePath;

	m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractDir, m_archivePath, extractDir.absolutePath());
	connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &InstanceImportTask::extractFinished);
	connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &InstanceImportTask::extractAborted);
	m_extractFutureWatcher.setFuture(m_extractFuture);
}

void InstanceImportTask::extractFinished()
{
	if (m_extractFuture.result().isEmpty())
	{
		m_target->destroyStagingPath(m_stagingPath);
		emitFailed(tr("Failed to extract modpack"));
		return;
	}
	QDir extractDir(m_stagingPath);
	const QFileInfo instanceCfgFile = findRecursive(extractDir.absolutePath(), "instance.cfg");
	if (!instanceCfgFile.isFile() || !instanceCfgFile.exists())
	{
		m_target->destroyStagingPath(m_stagingPath);
		emitFailed(tr("Archive does not contain instance.cfg"));
		return;
	}

	// FIXME: copy from FolderInstanceProvider!!! FIX IT!!!
	auto instanceSettings = std::make_shared<INISettingsObject>(instanceCfgFile.absoluteFilePath());
	instanceSettings->registerSetting("InstanceType", "Legacy");

	QString actualDir = instanceCfgFile.absolutePath();
	NullInstance instance(m_globalSettings, instanceSettings, actualDir);

	// reset time played on import... because packs.
	instance.resetTimePlayed();

	// set a new nice name
	instance.setName(m_instName);

	// if the icon was specified by user, use that. otherwise pull icon from the pack
	if (m_instIcon != "default")
	{
		instance.setIconKey(m_instIcon);
	}
	else
	{
		m_instIcon = instance.iconKey();
		auto importIconPath = FS::PathCombine(instance.instanceRoot(), m_instIcon + ".png");
		if (QFile::exists(importIconPath))
		{
			// import icon
			auto iconList = ENV.icons();
			if (iconList->iconFileExists(m_instIcon))
			{
				iconList->deleteIcon(m_instIcon);
			}
			iconList->installIcons({importIconPath});
		}
	}
	if (!m_target->commitStagedInstance(m_stagingPath, actualDir, m_instName, m_instGroup))
	{
		m_target->destroyStagingPath(m_stagingPath);
		emitFailed(tr("Unable to commit instance"));
		return;
	}
	emitSucceeded();
}

void InstanceImportTask::extractAborted()
{
	m_target->destroyStagingPath(m_stagingPath);
	emitFailed(tr("Instance import has been aborted."));
	return;
}