Dump service was added

CMakeLists.txt

@@ -30,6 +30,7 @@ set(PROJECT_SOURCES
         services/beerservice.h services/beerservice.cpp
         services/settingsservice.h services/settingsservice.cpp
         services/modelsregister.h services/modelsregister.cpp
+        services/dumpservice.h services/dumpservice.cpp
         ${TS_FILES}
 )
 

models/basemodel.cpp

@@ -7,12 +7,16 @@ BaseModel::BaseModel(const QString &entity, QObject *parent) : QObject{parent},
 {
     Q_ASSERT(!m_entity.isEmpty());
 
+    m_dumpService.setEntityName(m_entity);
+    m_data = m_dumpService.loadMap();
+
     service()->connectListener(this);
     service()->sendCommand(m_entity, BeerService::ActionGet);
 }
 
 BaseModel::~BaseModel()
 {
+    m_dumpService.dump(m_data);
     service()->removeListener(this);
 }
 

models/basemodel.h

@@ -4,6 +4,8 @@
 #include <QObject>
 #include <QVariantMap>
 
+#include "services/dumpservice.h"
+
 class BeerService;
 class BaseModel : public QObject
 {
@@ -36,6 +38,8 @@ signals:
 private:
     BeerService *service() const;
 
+    DumpService m_dumpService;
+
     QVariantMap m_data;
     QString m_entity;
 };

services/beerservice.cpp

@@ -2,10 +2,6 @@
 
 #include <QJsonDocument>
 #include <QJsonObject>
-#include <QJsonArray>
-#include <QStandardPaths>
-#include <QFile>
-#include <QDebug>
 
 #include "settingsservice.h"
 
@@ -19,6 +15,7 @@ BeerService::BeerService()
         { ActionModify, "mod" }
     };
 
+    m_dumpService.setEntityName("command");
     restoreStash();
 
     connect(&m_socket, &QWebSocket::textMessageReceived, this, [this](QString message) {
@@ -58,7 +55,7 @@ BeerService::BeerService()
 
 BeerService::~BeerService()
 {
-    saveStash();
+    m_dumpService.dump(m_commandStash);
     m_socket.close();
 }
 
@@ -90,37 +87,10 @@ void BeerService::removeListener(QObject *listener)
     m_listeners.remove(entity, listener);
 }
 
-QString BeerService::stashFileName() const
-{
-    return QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + "/command.stash";
-}
-
-void BeerService::saveStash() const
-{
-    if (m_commandStash.isEmpty()) {
-        return;
-    }
-
-    QFile stash(stashFileName());
-    if (stash.open(QIODevice::WriteOnly)) {
-        stash.write(QJsonDocument::fromVariant(m_commandStash).toJson(QJsonDocument::Compact));
-        stash.close();
-    } else {
-        qWarning() << stash.errorString();
-    }
-}
-
 void BeerService::restoreStash()
 {
-    QFile stash(stashFileName());
-    if (stash.open(QIODevice::ReadOnly)) {
-        QJsonDocument doc = QJsonDocument::fromJson(stash.readAll());
-        m_commandStash = doc.array().toVariantList();
-        stash.close();
-        stash.remove();
-    } else {
-        qWarning() << stash.errorString();
-    }
+    m_commandStash = m_dumpService.loadList();
+    m_dumpService.clear();
 }
 
 void BeerService::reconnect()
@@ -135,7 +105,6 @@ void BeerService::reconnect()
     QNetworkRequest request(serverUrl);
     request.setRawHeader("Authorization", "Basic " + QString("%1:pass").arg(userId).toLatin1().toBase64());
     m_socket.open(request);
-
 }
 
 void BeerService::sendCommand(const QVariantMap &command)

services/beerservice.h

@@ -4,6 +4,8 @@
 #include <QObject>
 #include <QtWebSockets/QWebSocket>
 
+#include "services/dumpservice.h"
+
 class SettingsService;
 class BeerService : public QObject
 {
@@ -40,8 +42,6 @@ private:
 
     SettingsService *settings() const;
 
-    QString stashFileName() const;
-    void saveStash() const;
     void restoreStash();
 
     void reconnect();
@@ -50,6 +50,7 @@ private:
 
     QMultiMap<QString, QObject *> m_listeners;
 
+    DumpService m_dumpService;
     QWebSocket m_socket;
     QVariantList m_commandStash;
     QMap<Action, QString> m_actions;

services/dumpservice.cpp

@@ -0,0 +1,62 @@
+#include "dumpservice.h"
+
+#include <QFile>
+#include <QJsonDocument>
+#include <QJsonArray>
+#include <QJsonObject>
+#include <QStandardPaths>
+
+void DumpService::setEntityName(const QString &name)
+{
+    m_entityName = name;
+}
+
+void DumpService::dump(const QVariant &data) const
+{
+    QFile stash(dumpFileName());
+    if (stash.open(QIODevice::WriteOnly)) {
+        stash.write(QJsonDocument::fromVariant(data).toJson(QJsonDocument::Compact));
+        stash.close();
+    } else {
+        qWarning() << stash.errorString();
+    }
+}
+
+QVariantList DumpService::loadList() const
+{
+    QJsonDocument dump = readFile();
+    return dump.array().toVariantList();
+}
+
+QVariantMap DumpService::loadMap() const
+{
+    QJsonDocument dump = readFile();
+    return dump.object().toVariantMap();
+}
+
+void DumpService::clear() const
+{
+    QFile::remove(dumpFileName());
+}
+
+QString DumpService::dumpFileName() const
+{
+    Q_ASSERT(!m_entityName.isEmpty());
+
+    return QString("%1/%2.dump").arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation), m_entityName);
+}
+
+QJsonDocument DumpService::readFile() const
+{
+    QJsonDocument res;
+
+    QFile dump(dumpFileName());
+    if (dump.open(QIODevice::ReadOnly)) {
+        res = QJsonDocument::fromJson(dump.readAll());
+        dump.close();
+    } else {
+        qWarning() << dump.errorString();
+    }
+
+    return res;
+}

services/dumpservice.h

@@ -0,0 +1,24 @@
+#ifndef DUMPSERVICE_H
+#define DUMPSERVICE_H
+
+#include <QString>
+
+class QJsonDocument;
+class DumpService
+{
+public:
+    void setEntityName(const QString &name);
+
+    void dump(const QVariant &data) const;
+    QVariantList loadList() const;
+    QVariantMap loadMap() const;
+    void clear() const;
+
+private:
+    QString dumpFileName() const;
+    QJsonDocument readFile() const;
+
+    QString m_entityName;
+};
+
+#endif // DUMPSERVICE_H