mobile: add option to merge local cloud cache data

The UI is ugly, and of course this is hidden in the developer options that have
to first be enabled in the advanced settings. As I mentioned in the previous
commit, I believe the actual risk that something gets damaged here is very low,
but still, explaining this so it makes sense to the casual user may be a bit...
difficult.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

CHANGELOG.md

@@ -1,3 +1,4 @@
+Mobile: add advanved option to import dives from local cloud cache directories
 Mobile: fix broken editing of location, suit, buddy, and dive master
 Mobile: fix missing translations on Android
 CSV export: support for multiple cylinders

mobile-widgets/qml/RecoverCache.qml

@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+import QtQuick 2.6
+import org.kde.kirigami 2.4 as Kirigami
+import org.subsurfacedivelog.mobile 1.0
+
+Kirigami.ScrollablePage {
+	id: recoverCache
+	title: qsTr("Cloud Cache Import")
+	objectName: "recoverCache"
+	background: Rectangle { color: subsurfaceTheme.backgroundColor }
+	width: parent.width
+	height: parent.height
+
+	Item {
+	TemplateLabel {
+		id: header
+		text: qsTr("Cloud Cache Import")
+		color: subsurfaceTheme.lightPrimaryTextColor
+		background: Rectangle { color: subsurfaceTheme.lightPrimaryColor }
+		font.pointSize: subsurfaceTheme.regularPointSize * 1.5
+		padding: Kirigami.Units.gridUnit
+		width: recoverCache.width - 5 * Kirigami.Units.largeSpacing
+		height: 3.5 * Kirigami.Units.gridUnit
+	}
+	Rectangle {
+		id: subheader
+		z: 5
+		width: recoverCache.width - 5 * Kirigami.Units.largeSpacing
+		height: 3 * Kirigami.Units.gridUnit
+		color: subsurfaceTheme.backgroundColor
+		anchors {
+			left: header.left
+			top: header.bottom
+			right: parent.right
+		}
+		TemplateLabel {
+			height: 2 * Kirigami.Units.gridUnit
+			text: qsTr("import data from the given cache repo")
+			anchors {
+				verticalCenter: parent.verticalCenter
+				horizontalCenter: parent.horizontalCenter
+			}
+		}
+	}
+	Rectangle {
+		id: spacer
+		anchors.top: subheader.bottom
+		height: Kirigami.Units.largeSpacing
+		width: recoverCache.width
+		color: subsurfaceTheme.backgroundColor
+	}
+
+	Rectangle {
+		anchors {
+			left: header.left
+			right: parent.right
+			top: spacer.bottom
+		}
+		z: -5
+		ListView {
+			height: recoverCache.height - 9 * Kirigami.Units.gridUnit
+			width: recoverCache.width
+			model: manager.cloudCacheList
+			delegate: TemplateButton {
+				height: 3 * Kirigami.Units.gridUnit
+				width: parent.width - 2 * Kirigami.Units.gridUnit
+				text: modelData
+				onClicked: {
+					console.log("import " + modelData)
+					manager.importCacheRepo(modelData)
+				}
+			}
+		}
+	}
+	}
+}

mobile-widgets/qml/main.qml

@@ -162,7 +162,7 @@ Kirigami.ApplicationWindow {
 		height: rootItem.height
 		rightPadding: 0
 		enabled: (Backend.cloud_verification_status === Enums.CS_NOCLOUD ||
-				  Backend.cloud_verification_status === Enums.CS_VERIFIED)
+			          Backend.cloud_verification_status === Enums.CS_VERIFIED)
 		topContent: Image {
 			source: "qrc:/qml/icons/dive.jpg"
 			Layout.fillWidth: true
@@ -534,6 +534,14 @@ if you have network connectivity and want to sync your data to cloud storage."),
 					}
 				}
 
+				Kirigami.Action {
+					text: qsTr("Access local cloud cache dirs")
+					onTriggered: {
+						globalDrawer.close()
+						showPage(recoverCache)
+					}
+				}
+
 				/* disable for now
 				Kirigami.Action {
 					text: qsTr("Dive planner")
@@ -681,8 +689,8 @@ if you have network connectivity and want to sync your data to cloud storage."),
 					manager.appendTextToLog("pageStack forced back to map")
 				}
 			} else if (pageStack.currentItem.objectName !== mapPage.objectName &&
-					   pageStack.lastItem.objectName === mapPage.objectName &&
+				           pageStack.lastItem.objectName === mapPage.objectName &&
-					   hackToOpenMap === 1 /* MapSelected */) {
+				           hackToOpenMap === 1 /* MapSelected */) {
 				// if we just picked the mapPage and are suddenly back on a different page
 				// force things back to the mapPage
 				manager.appendTextToLog("pageStack wrong page, switching back to map")
@@ -822,6 +830,12 @@ if you have network connectivity and want to sync your data to cloud storage."),
 		id: mapPage
 		visible: false
 	}
+
+	RecoverCache {
+		id: recoverCache
+		visible: false
+	}
+
 /* this shouldn't be exposed unless someone will finish the work
 	DivePlannerSetup {
 		id: divePlannerSetupWindow

mobile-widgets/qml/mobile-resources.qrc

@@ -41,6 +41,8 @@
 		<file>ThemeTest.qml</file>
 		<file>TripDetails.qml</file>
 		<file>StartPage.qml</file>
+		<file>RecoverCache.qml</file>
+
 		<file>SsrfCheckBox.qml</file>
 		<file>SsrfSwitch.qml</file>
 		<file>SsrfTextField.qml</file>

mobile-widgets/qmlmanager.cpp

@@ -403,6 +403,8 @@ void QMLManager::openLocalThenRemote(QString url)
 
 	updateAllGlobalLists();
 	setDiveListProcessing(false);
+	// this could have added a new local cache directory
+	emit cloudCacheListChanged();
 }
 
 // Convenience function to accesss dive directly via its row.
@@ -534,6 +536,9 @@ void QMLManager::finishSetup()
 	}
 	m_initialized = true;
 	emit initializedChanged();
+	// this could have brought in new cache directories, so make sure QML
+	// calls our getter function again and doesn't show us outdated information
+	emit cloudCacheListChanged();
 }
 
 QMLManager::~QMLManager()
@@ -2201,3 +2206,34 @@ void QMLManager::setDiveListProcessing(bool value)
 	}
 
 }
+
+void QMLManager::importCacheRepo(QString repo)
+{
+	struct dive_table table = empty_dive_table;
+	struct trip_table trips = empty_trip_table;
+	struct dive_site_table sites = empty_dive_site_table;
+	QString repoPath = QString("%1/cloudstorage/%2").arg(system_default_directory()).arg(repo);
+	appendTextToLog(QString("importing %1").arg(repoPath));
+	parse_file(qPrintable(repoPath), &table, &trips, &sites);
+	add_imported_dives(&table, &trips, &sites, IMPORT_MERGE_ALL_TRIPS);
+	changesNeedSaving();
+}
+
+QStringList QMLManager::cloudCacheList() const
+{
+	QDir localCacheDir(QString("%1/cloudstorage/").arg(system_default_directory()));
+	QStringList dirs = localCacheDir.entryList().filter(QRegExp("...+"));
+	QStringList result;
+	foreach(QString dir, dirs) {
+		QString originsDir = QString("%1/cloudstorage/%2/.git/refs/remotes/origin/").arg(system_default_directory()).arg(dir);
+		QDir remote(originsDir);
+		if (dir == "localrepo") {
+			result << QString("localrepo[master]");
+		} else {
+			foreach(QString branch, remote.entryList().filter(QRegExp("...+"))) {
+				result << QString("%1[%2]").arg(dir).arg(branch);
+			}
+		}
+	}
+	return result;
+}

mobile-widgets/qmlmanager.h

@@ -40,6 +40,7 @@ class QMLManager : public QObject {
 	Q_PROPERTY(QStringList divemasterList READ divemasterList NOTIFY divemasterListChanged)
 	Q_PROPERTY(QStringList locationList READ locationList NOTIFY locationListChanged)
 	Q_PROPERTY(QStringList cylinderInit READ cylinderInit CONSTANT)
+	Q_PROPERTY(QStringList cloudCacheList READ cloudCacheList NOTIFY cloudCacheListChanged)
 	Q_PROPERTY(QString progressMessage MEMBER m_progressMessage WRITE setProgressMessage NOTIFY progressMessageChanged)
 	Q_PROPERTY(bool btEnabled MEMBER m_btEnabled WRITE setBtEnabled NOTIFY btEnabledChanged)
 
@@ -118,6 +119,7 @@ public:
 	Q_INVOKABLE void setFilter(const QString filterText, int mode);
 	Q_INVOKABLE void selectRow(int row);
 	Q_INVOKABLE void selectSwipeRow(int row);
+	Q_INVOKABLE void importCacheRepo(QString repo);
 
 	static QMLManager *instance();
 	Q_INVOKABLE void registerError(QString error);
@@ -161,6 +163,7 @@ public:
 	QStringList divemasterList() const;
 	QStringList locationList() const;
 	QStringList cylinderInit() const;
+	QStringList cloudCacheList() const;
 	Q_INVOKABLE void setStatusbarColor(QColor color);
 	void btHostModeChange(QBluetoothLocalDevice::HostMode state);
 	QObject *qmlWindow;
@@ -303,6 +306,7 @@ signals:
 	void buddyListChanged();
 	void divemasterListChanged();
 	void locationListChanged();
+	void cloudCacheListChanged();
 	void waitingForPositionChanged();
 	void pluggedInDeviceNameChanged();
 	void showNonDiveComputersChanged();
@@ -316,7 +320,6 @@ signals:
 	void uploadFinish(bool success, const QString &text);
 	void uploadProgress(qreal percentage);
 
-
 private slots:
 	void uploadFinishSlot(bool success, const QString &text, const QByteArray &html);
 };