/// <summary>
/// Assugn module to slave.
/// </summary>
/// <param name="slave">Slave identifier.</param>
/// <param name="module">Module identifier.</param>
/// <returns></returns>
public AssignedModule AssignModule(string slave, string module)
{
Guid slaveId;
int moduleId;
if (string.IsNullOrEmpty(slave))
return null;
if (!Guid.TryParse(slave, out slaveId))
return null;
if (string.IsNullOrEmpty(module))
return null;
if (!int.TryParse(module, out moduleId))
return null;
using (MasterContext masterDb = new MasterContext())
{
SlaveModule slaveModule = masterDb.SlaveModules.FirstOrDefault(s => s.SlaveId == slaveId && s.ModuleId == moduleId);
if (slaveModule == null)
{
slaveModule = new SlaveModule()
{
ModuleId = moduleId,
SlaveId = slaveId
};
masterDb.SlaveModules.Add(slaveModule);
masterDb.SaveChanges();
}
ModuleVersionItem moduleVersionItem = new ModuleVersionItem { ModuleId = moduleId };
ModuleVersion moduleVersion = masterDb.ModuleVersions.Where(mv => mv.ModuleId == moduleId)
.OrderByDescending(mv => mv.Major)
.ThenByDescending(mv => mv.Minor)
.ThenByDescending(mv => mv.Build)
.ThenByDescending(mv => mv.Revision)
.FirstOrDefault();
if (moduleVersion != null)
{
moduleVersionItem.Major = moduleVersion.Major;
moduleVersionItem.Minor = moduleVersion.Minor;
moduleVersionItem.Build = moduleVersion.Build;
moduleVersionItem.Revision = moduleVersion.Revision;
};
_orationiEngine.PushModule(slaveId, moduleVersion);
AssignedModule assignedModule = new AssignedModule
{
SlaveId = slaveId,
ModuleVersion = moduleVersionItem
};
return assignedModule;
}
}
/// <summary>
/// Remove module from system.
/// </summary>
/// <param name="module">Module identifier.</param>
/// <returns>Array of <c>AssignedModule</c> if module wasn't assigned. Empty array in case of sucessful unregistration.</returns>
public AssignedModule[] UnregisterModule(string module)
{
int moduleId;
if (string.IsNullOrEmpty(module))
return new AssignedModule[0];
if (!int.TryParse(module, out moduleId))
return new AssignedModule[0];
using (MasterContext masterDb = new MasterContext())
{
IEnumerable<SlaveModule> slaveModules = masterDb.SlaveModules.Where(s => s.ModuleId == moduleId);
AssignedModule[] assignedModules = new AssignedModule[slaveModules.Count()];
int index = 0;
foreach (SlaveModule slaveModule in slaveModules)
{
AssignedModule assignedModule = new AssignedModule();
assignedModule.SlaveId = slaveModule.SlaveId;
ModuleVersionItem moduleVersionItem = new ModuleVersionItem { ModuleId = moduleId };
ModuleVersion moduleVersion = masterDb.ModuleVersions.Where(mv => mv.ModuleId == moduleId)
.OrderByDescending(mv => mv.Major)
.ThenByDescending(mv => mv.Minor)
.ThenByDescending(mv => mv.Build)
.ThenByDescending(mv => mv.Revision)
.FirstOrDefault();
if (moduleVersion != null)
{
moduleVersionItem.Major = moduleVersion.Major;
moduleVersionItem.Minor = moduleVersion.Minor;
moduleVersionItem.Build = moduleVersion.Build;
moduleVersionItem.Revision = moduleVersion.Revision;
};
assignedModule.ModuleVersion = moduleVersionItem;
assignedModules[index] = assignedModule;
index++;
}
}
return new AssignedModule[0];
}