public ComponentInstallationResult StartInstallation()
{
var currentVersion = GetCurrentVersion();
var thisVersion = GetNextVersion(currentVersion);
if (thisVersion == null)
{
return(ComponentInstallationResult.Success(Version.Parse(CrmConstants.InitialSolutionVersion)));
}
var thisComponent = thisVersion.InstallationComponents[0];
return(ComponentInstallationResult.Success(null, thisVersion.Version, 0, thisVersion.Version, thisComponent.Description));
}
private ComponentInstallationResult InstallComponent(int componentId, InstallationVersion version)
{
var thisComponent = version.InstallationComponents[componentId];
var nextComponent = GetNextInstallationComponent(version, componentId);
try
{
dataAccessDispatcher.Dispatch(thisComponent.InstallationAction);
dataAccessDispatcher.Dispatch(thisComponent.DataChangeAction);
if (!nextComponent.HasValue || (nextComponent.HasValue && nextComponent.Value.Value.Version.CompareTo(version.Version) > 0))
{
/* The next component is part of a newer version,
* so at this point we update the solution to reflect that this
* installation version has installed. If the solution update fails,
* we should rollback and fail the current component too */
try
{
var solution = dataAccessDispatcher.Dispatch(SolutionActions.GetSolutionByName(CrmConstants.DefaultSolutionSettings.Name));
solution.Version = version.Version.ToString();
dataAccessDispatcher.Dispatch(SolutionActions.UpdateSolution(solution));
}
catch
{
dataAccessDispatcher.Dispatch(thisComponent.RollbackAction);
throw;
}
}
if (nextComponent.HasValue)
{
var nextComponentDescription = nextComponent.Value.Value.InstallationComponents[nextComponent.Value.Key].Description;
var nextComponentKey = nextComponent.Value.Key;
var nextComponentVersion = nextComponent.Value.Value.Version;
return(ComponentInstallationResult.Success(componentId, version.Version, nextComponentKey, nextComponentVersion, nextComponentDescription));
}
else
{
return(ComponentInstallationResult.Success(componentId, version.Version, true));
}
}
catch (Exception ex)
{
return(ComponentInstallationResult.Fail(componentId, version.Version, ex.Message));
}
}