protected void PostCreateExecution(IServiceProvider serviceProvider)
{
// Use a 'using' statement to dispose of the service context properly
// To use a specific early bound entity replace the 'Entity' below with the appropriate class type
using (var localContext = new LocalPluginContext <Entity>(serviceProvider))
{
var organisationService = localContext.OrganizationService;
var newEntity = new ProxyClasses.Rarity_SourceAssociation((Entity)localContext.PluginExecutionContext.InputParameters["Target"]);
var targetEntity = DeduplicateRarityAssociation(localContext, newEntity);
if (targetEntity == newEntity)
{
AddImplicitAntigens(organisationService, newEntity);
}
}
}
private ProxyClasses.Rarity_SourceAssociation DeduplicateRarityAssociation(LocalPluginContext <Entity> localContext, ProxyClasses.Rarity_SourceAssociation subjectRarityAssociation)
{
// get all the pre-existing associations between this source and rarity
var sourceId = subjectRarityAssociation.Source.Id;
var rarityId = subjectRarityAssociation.Rarity.Id;
var allMatchedAssocs = GetMatchedRarityAssocs(localContext.OrganizationService, sourceId, rarityId);
// if there only is on matching rarity, then no need to continue with the deduplication
if (allMatchedAssocs.Count == 1)
{ //just return the subject association
return(subjectRarityAssociation);
}
else
{
//Work out which is the older matching association
var oldestMatchingRarityAssociation = (
from matchedRarityAssoc in allMatchedAssocs
orderby matchedRarityAssoc.CreatedOn ascending
select matchedRarityAssoc).FirstOrDefault();
//Test whether the oldest record is still active
var isOldestActive = oldestMatchingRarityAssociation.Status == Rarity_SourceAssociation.eStatus.Active;
//detect any other stray matching associations that are still active
//shouldn't happen - but helps recover from an error state
var otherActiveMatchingRarityAssocsNotOldest = (
from matchedRarityAssoc in allMatchedAssocs
where matchedRarityAssoc.Id != oldestMatchingRarityAssociation.Id
where matchedRarityAssoc.Status == Rarity_SourceAssociation.eStatus.Active
select matchedRarityAssoc);
//If the oldest is not active,
if (!isOldestActive)
{
//Then reactivate the oldest record
Helper.SetState(
localContext.OrganizationService,
oldestMatchingRarityAssociation.ToEntityReference(),
new OptionSetValue((int)ProxyClasses.Rarity_SourceAssociation.eStatus.Active),
new OptionSetValue((int)ProxyClasses.Rarity_SourceAssociation.eStatusReason.Active_Active));
}
//Loop through other matching associations that are still active
foreach (var redundantRarityAssoc in otherActiveMatchingRarityAssocsNotOldest)
{
//and deactivate them, as they are redundant
Helper.SetState(
localContext.OrganizationService,
redundantRarityAssoc.ToEntityReference(),
new OptionSetValue((int)ProxyClasses.Rarity_SourceAssociation.eStatus.Inactive),
new OptionSetValue((int)ProxyClasses.Rarity_SourceAssociation.eStatusReason.MergedWithDuplicate_Inactive));
}
return(oldestMatchingRarityAssociation);
}
}
private void RemoveImplicitAntigens(IOrganizationService organisationService, ProxyClasses.Rarity_SourceAssociation raritySourceAssoc)
{
Guid sourceId = raritySourceAssoc.Rarity.Id;
Guid rarityAssocId = raritySourceAssoc.Id;
var antigenAssocsToBeDisassociated = new EntityReferenceCollection();
//...get all the antigen assocaitions implied by this rarity
var matchingRarityIntersectRecords = GetAllSourceIntersectRecordsForRarity(organisationService, rarityAssocId);
//For each antigen assoc implied by this rarity assoc
foreach (nhs_AnitenSrcAssoc_nhs_RaritySrcAssoc rarityIntersectRecord in matchingRarityIntersectRecords)
{
var antigenAssocId = rarityIntersectRecord.Nhs_antigensourceassociationid;
//Get the antigen association as an entity reference
var antigenAssocEntityRef = new EntityReference(
Antigen_SourceAssociation.LogicalName,
(Guid)antigenAssocId);
var matchingAntigenIntersectRecords = GetAllSourceIntersectRecordsForAntigen(organisationService, antigenAssocId);
// Add the intersect entity to the list of relationships to be deleted
antigenAssocsToBeDisassociated.Add(antigenAssocEntityRef);
//Test whether this antigen association is implied by other rarities
//i.e. work out if any other rarities imply this same antigen source association
var isAntigenImpliedByOtherRarities = (from antigenIntersectRecord in matchingAntigenIntersectRecords
where antigenIntersectRecord.Nhs_antigensourceassociationid == rarityIntersectRecord.Nhs_antigensourceassociationid && //its for the same antigen assoc
antigenIntersectRecord.Nhs_AnitenSrcAssoc_nhs_RaritySrcAssocId != rarityIntersectRecord.Nhs_AnitenSrcAssoc_nhs_RaritySrcAssocId //but a implied by a different rarity
select antigenIntersectRecord).Count() > 0;
// check if the antigen source association is explicit
var isExplicit = (bool)rarityIntersectRecord.GetAttributeValue <AliasedValue>("antigenSourceAssoc.nhs_isexplicit").Value;
//If there are no other rarities implying this antigen assoc
// and the antigen association is also not explicit.
if (!isAntigenImpliedByOtherRarities && !isExplicit)
{
//Deactivate the antigen source association
Helper.SetState(
organisationService,
antigenAssocEntityRef,
new OptionSetValue((int)ProxyClasses.Antigen_SourceAssociation.eStatus.Inactive),
new OptionSetValue((int)ProxyClasses.Antigen_SourceAssociation.eStatusReason.Inactive_Inactive));
}
}
if (antigenAssocsToBeDisassociated.Count() > 0)
{
//...we need to unlink this any deactivated rarity assocations from their respective antigen associations
organisationService.Disassociate(
ProxyClasses.Rarity_SourceAssociation.LogicalName,
raritySourceAssoc.Id,
new Relationship("nhs_AntigenSrcAssoc_nhs_RaritySrcAssoc"),
antigenAssocsToBeDisassociated);
}
}
