/// <summary>
/// Deallocates the criterion and all child criterions from project. This includes the entries in the fulfillment table
/// </summary>
/// <param name="projectId">The project identifier.</param>
/// <param name="projCrit">The proj crit.</param>
/// <returns></returns>
/// Erstellt von Joshua Frey, am 04.01.2016
public bool DeallocateCriterionAndAllChildCriterions(int projectId, ProjectCriterion projCrit, bool forceDeallocationOfChildren)
{
int projectCriterionId = projCrit.Criterion_Id;
// checks if criterion has any children criterion (is a parent criterion)
List<ProjectCriterion> eventualChildCriterions = GetChildCriterionsByParentId(projectId, projectCriterionId);
bool deletionPermitted = true;
if (eventualChildCriterions.Count > 0)
{
string decisionMessage = MessageUserDecisionOfDeallocatingAllChildCriterions(projCrit, eventualChildCriterions);
const string caption = "Kriterienentkopplung";
// only ask user if children should be deallocated when forceDeallocationOfChildre = false
if (!forceDeallocationOfChildren)
{
var result = MessageBox.Show(decisionMessage, caption, MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.No)
{
deletionPermitted = false;
}
}
if (deletionPermitted)
{
foreach (ProjectCriterion childProjCrit in eventualChildCriterions)
{
deletionPermitted = DeallocateCriterionAndAllChildCriterions(projectId, childProjCrit, forceDeallocationOfChildren);
}
}
}
string projCritName = projCrit.Criterion.Name;
if (deletionPermitted)
{
// delete all fulfillment entries which point to this project criterion
bool fulfillmentDeletionSuccessfull;
using (FulfillmentController fulfillmentContr = new FulfillmentController())
{
fulfillmentDeletionSuccessfull = fulfillmentContr.DeleteAllFulfillmentsForOneCriterionInOneProject(projectId, projCrit.Criterion_Id);
}
if (fulfillmentDeletionSuccessfull && DeleteProjectCriterionFromDb(projectId, projectCriterionId))
{
if (!forceDeallocationOfChildren)
{
MessageBox.Show("Das Kriterium " + projCritName + " wurde erfolgreich vom Projekt entkoppelt.");
}
return true;
}
else
{
MessageBox.Show("Bei dem Löschvorgang ist ein Fehler aufgetreten.");
return false;
}
}
else
{
MessageBox.Show("Löschen von " + projCritName + " konnte nicht durchgeführt werden, weil ein Löschvorgang vom Benutzer abgelehnt wurde.");
return false;
}
}
/// <summary>
/// Deallocates the criterion and all child criterions from project. This includes the entries in the fulfillment table
/// </summary>
/// <param name="projectId">The project identifier.</param>
/// <param name="projCrit">The proj crit.</param>
/// <returns></returns>
/// Erstellt von Joshua Frey, am 04.01.2016
public bool DeallocateCriterionAndAllChildCriterions(int projectId, ProjectCriterion projCrit, bool forceDeallocationOfChildren)
{
int projectCriterionId = projCrit.Criterion_Id;
// checks if criterion has any children criterion (is a parent criterion)
List <ProjectCriterion> eventualChildCriterions = GetChildCriterionsByParentId(projectId, projectCriterionId);
bool deletionPermitted = true;
if (eventualChildCriterions.Count > 0)
{
string decisionMessage = MessageUserDecisionOfDeallocatingAllChildCriterions(projCrit, eventualChildCriterions);
const string caption = "Kriterienentkopplung";
// only ask user if children should be deallocated when forceDeallocationOfChildre = false
if (!forceDeallocationOfChildren)
{
var result = MessageBox.Show(decisionMessage, caption, MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.No)
{
deletionPermitted = false;
}
}
if (deletionPermitted)
{
foreach (ProjectCriterion childProjCrit in eventualChildCriterions)
{
deletionPermitted = DeallocateCriterionAndAllChildCriterions(projectId, childProjCrit, forceDeallocationOfChildren);
}
}
}
string projCritName = projCrit.Criterion.Name;
if (deletionPermitted)
{
// delete all fulfillment entries which point to this project criterion
bool fulfillmentDeletionSuccessfull;
using (FulfillmentController fulfillmentContr = new FulfillmentController())
{
fulfillmentDeletionSuccessfull = fulfillmentContr.DeleteAllFulfillmentsForOneCriterionInOneProject(projectId, projCrit.Criterion_Id);
}
if (fulfillmentDeletionSuccessfull && DeleteProjectCriterionFromDb(projectId, projectCriterionId))
{
if (!forceDeallocationOfChildren)
{
MessageBox.Show("Das Kriterium " + projCritName + " wurde erfolgreich vom Projekt entkoppelt.");
}
return(true);
}
else
{
MessageBox.Show("Bei dem Löschvorgang ist ein Fehler aufgetreten.");
return(false);
}
}
else
{
MessageBox.Show("Löschen von " + projCritName + " konnte nicht durchgeführt werden, weil ein Löschvorgang vom Benutzer abgelehnt wurde.");
return(false);
}
}
