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Implemented dependency solving for db schemas creation. Added macro for

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begin/end iterator.
This commit is contained in:
pepa
2015-11-15 22:26:50 +01:00
parent d4da3cb6cf
commit 07bb708437
10 changed files with 89 additions and 25 deletions
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core/context.cpp
+53 -23
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@@ -25,7 +25,7 @@ QList<IPlugin *> Context::plugins()
IPlugin *Context::plugin(const QString &pluginId)
{
QList<IPlugin*>::iterator it = std::find_if(m_plugins.begin(), m_plugins.end(), [&pluginId](IPlugin *p) { return p->pluginId() == pluginId; });
QList<IPlugin*>::iterator it = std::find_if(ALL(m_plugins), [&pluginId](IPlugin *p) { return p->pluginId() == pluginId; });
if (it != m_plugins.end())
{
return *it;
@@ -100,36 +100,66 @@ void Context::checkDb(const QString &path)
void Context::checkSchema(const QSqlDatabase &db, const QMap<QString, int> &schemaMap)
{
foreach (IPlugin *plugin, m_plugins) {
if (!schemaMap.contains(plugin->pluginId()) || schemaMap[plugin->pluginId()] < plugin->schemaVersion())
solveDep(plugin, db, schemaMap);
}
}
void Context::solveDep(IPlugin *plugin, const QSqlDatabase &db, const QMap<QString, int> &schemaMap)
{
foreach (QString dep, plugin->dependsOn()) {
QList<IPlugin*>::iterator it = std::find_if(ALL(m_plugins), [&dep](IPlugin *p) { return p->pluginId() == dep; });
if (it != m_plugins.end())
{
int ver = schemaMap[plugin->pluginId()];
solveDep(*it, db, schemaMap);
}
for (int i = 0; i < plugin->schemas().count(); i++)
if (m_solved.contains(plugin->pluginId()))
{
createSchema(plugin, db, schemaMap);
m_solved.append(plugin->pluginId());
}
}
}
void Context::createSchema(IPlugin *plugin, const QSqlDatabase &db, const QMap<QString, int> &schemaMap)
{
if (!schemaMap.contains(plugin->pluginId()) || schemaMap[plugin->pluginId()] < plugin->schemaVersion())
{
int ver = schemaMap[plugin->pluginId()];
for (int i = 0; i < plugin->schemas().count(); i++)
{
if (!schemaMap.contains(plugin->pluginId()) || i >= ver)
{
if (!schemaMap.contains(plugin->pluginId()) || i >= ver)
{
QString sql = plugin->schemas()[i];
QSqlQuery q(db);
QString sql = plugin->schemas()[i];
QSqlQuery q(db);
QStringList sqlList = sql.split(";");
QStringList sqlList = sql.split(";");
bool error = false;
foreach (QString s, sqlList) {
if (!q.exec(s))
{
qDebug() << q.lastError().text();
}
}
if (ver == 0)
foreach (QString s, sqlList) {
if (!q.exec(s))
{
sql = "INSERT INTO system(pluginId, schemaVersion) VALUES('" + plugin->pluginId() + "', 1)";
qDebug() << q.lastError().text();
error = true;
}
else
{
sql = "UPDATE system SET schemaVersion = " + QString::number(i + 1) + " WHERE pluginId = '" + plugin->pluginId() + "'";
}
q.exec(sql);
}
if (error)
{
continue;
}
if (ver == 0)
{
sql = "INSERT INTO system(pluginId, schemaVersion) VALUES('" + plugin->pluginId() + "', 1)";
}
else
{
sql = "UPDATE system SET schemaVersion = " + QString::number(i + 1) + " WHERE pluginId = '" + plugin->pluginId() + "'";
}
q.exec(sql);
}
}
}