/// <summary>
/// Handle general related entity collection construction
/// </summary>
/// <param name="rootExpando">Object being added too</param>
/// <param name="entityName">parent entity</param>
/// <param name="entityCollection">collection of relationships</param>
/// <param name="mUtil">meta-data utility</param>
/// <returns></returns>
internal static ExpandoObject ReleatedEntitiesToExpandoObject(ExpandoObject rootExpando, string entityName, RelatedEntityCollection entityCollection, MetadataUtility mUtil)
{
if (rootExpando == null)
{
return(rootExpando);
}
if (entityCollection != null && entityCollection.Count == 0)
{
// nothing to do, just return.
return(rootExpando);
}
foreach (var entItem in entityCollection)
{
string key = "";
bool isArrayRequired = false;
dynamic expando = new ExpandoObject();
var expandoObject = (IDictionary <string, object>)expando;
ExpandoObject childEntities = new ExpandoObject();
List <ExpandoObject> childCollection = new List <ExpandoObject>();
// Get the Entity relationship key and entity and reverse it back to the entity key name
var eData = mUtil.GetEntityMetadata(Xrm.Sdk.Metadata.EntityFilters.Relationships, entItem.Value.Entities[0].LogicalName);
// Find the relationship that is referenced.
var ERM21 = eData.ManyToOneRelationships.FirstOrDefault(w1 => w1.SchemaName.ToLower().Equals(entItem.Key.SchemaName.ToLower()));
var ERM2M = eData.ManyToManyRelationships.FirstOrDefault(w2 => w2.SchemaName.ToLower().Equals(entItem.Key.SchemaName.ToLower()));
var ER12M = eData.OneToManyRelationships.FirstOrDefault(w3 => w3.SchemaName.ToLower().Equals(entItem.Key.SchemaName.ToLower()));
// Determine which one hit
if (ERM21 != null)
{
isArrayRequired = true;
key = ERM21.ReferencedEntityNavigationPropertyName;
}
else if (ERM2M != null)
{
isArrayRequired = true;
if (ERM2M.Entity1LogicalName.ToLower().Equals(entityName))
{
key = ERM2M.Entity1NavigationPropertyName;
}
else
{
key = ERM2M.Entity2NavigationPropertyName;
}
}
else if (ER12M != null)
{
key = ER12M.ReferencingAttribute;
}
if (string.IsNullOrEmpty(key)) // Failed to find key
{
throw new DataverseOperationException($"Relationship key {entItem.Key.SchemaName} cannot be found for related entities of {entityName}.");
}
foreach (var ent in entItem.Value.Entities)
{
// Check to see if the entity itself has related entities
if (ent.RelatedEntities != null && ent.RelatedEntities.Count > 0)
{
childEntities = ReleatedEntitiesToExpandoObject(childEntities, entityName, ent.RelatedEntities, mUtil);
}
// generate object.
ExpandoObject ent1 = ToExpandoObject(ent, mUtil);
if (((IDictionary <string, object>)childEntities).Count() > 0)
{
foreach (var item in (IDictionary <string, object>)childEntities)
{
((IDictionary <string, object>)ent1).Add(item.Key, item.Value);
}
}
childCollection?.Add((ExpandoObject)ent1);
}
if (childCollection.Count == 1 && isArrayRequired == false)
{
((IDictionary <string, object>)rootExpando).Add(key, childCollection[0]);
}
else
{
((IDictionary <string, object>)rootExpando).Add(key, childCollection);
}
}
return(rootExpando);
}
/// <summary>
/// Parses an attribute array into a object that can be used to create a JSON request.
/// </summary>
/// <param name="sourceEntity">Entity to process</param>
/// <param name="mUtil"></param>
/// <returns></returns>
internal static ExpandoObject ToExpandoObject(Entity sourceEntity, MetadataUtility mUtil)
{
dynamic expando = new ExpandoObject();
// Check for primary Id info:
if (sourceEntity.Id != Guid.Empty)
{
sourceEntity = UpdateEntityAttributesForPrimaryId(sourceEntity, mUtil);
}
AttributeCollection entityAttributes = sourceEntity.Attributes;
if (!(entityAttributes != null) && (entityAttributes.Count > 0))
{
return(expando);
}
var expandoObject = (IDictionary <string, object>)expando;
var attributes = entityAttributes.ToArray();
// this is used to support ActivityParties collections
List <ExpandoObject> partiesCollection = null;
foreach (var attrib in entityAttributes)
{
var keyValuePair = attrib;
var value = keyValuePair.Value;
var key = keyValuePair.Key;
if (value is EntityReference entityReference)
{
var attributeInfo = mUtil.GetAttributeMetadata(sourceEntity.LogicalName, key.ToLower());
// Get Lookup attribute meta data for the ER to check for polymorphic relationship.
if (attributeInfo is Xrm.Sdk.Metadata.LookupAttributeMetadata attribData)
{
// Now get relationship to make sure we use the correct name.
var eData = mUtil.GetEntityMetadata(Xrm.Sdk.Metadata.EntityFilters.Relationships, sourceEntity.LogicalName);
var ERNavName = eData.ManyToOneRelationships.FirstOrDefault(w => w.ReferencingAttribute.Equals(attribData.LogicalName) &&
w.ReferencedEntity.Equals(entityReference.LogicalName))
?.ReferencingEntityNavigationPropertyName;
if (!string.IsNullOrEmpty(ERNavName))
{
key = ERNavName;
}
// Populate Key property
key = $"{key}@odata.bind";
}
else if (attributeInfo == null)
{
// Fault here.
throw new DataverseOperationException($"Entity Reference {key.ToLower()} was not found for entity {sourceEntity.LogicalName}.", null);
}
string entityReferanceValue = string.Empty;
// process ER Value
if (entityReference.KeyAttributes?.Any() == true)
{
entityReferanceValue = ParseAltKeyCollection(entityReference.KeyAttributes);
}
else
{
entityReferanceValue = entityReference.Id.ToString();
}
value = $"/{mUtil.GetEntityMetadata(Xrm.Sdk.Metadata.EntityFilters.Entity, entityReference.LogicalName).EntitySetName}({entityReferanceValue})";
}
else
{
if (value is EntityCollection)
{
// try to get the participation type id from the key.
int PartyTypeId = PartyListHelper.GetParticipationtypeMasks(key);
bool isActivityParty = PartyTypeId != -1; // if the partytypeID is -1 this is not a activity party collection.
if (isActivityParty && partiesCollection == null)
{
partiesCollection = new List <ExpandoObject>(); // Only build it when needed.
}
// build linked collection here.
foreach (var ent in (value as EntityCollection).Entities)
{
ExpandoObject rslt = ToExpandoObject(ent, mUtil);
if (isActivityParty)
{
var tempDict = ((IDictionary <string, object>)rslt);
tempDict.Add("participationtypemask", PartyTypeId);
partiesCollection.Add((ExpandoObject)tempDict);
}
}
if (isActivityParty)
{
continue;
}
// Note.. if this is not an activity party but instead an embedded entity.. this will fall though and fail with trying to embed an entity.
}
else
{
key = key.ToLower();
if (value is OptionSetValueCollection optionSetValues)
{
string mselectValueString = string.Empty;
foreach (var opt in optionSetValues)
{
mselectValueString += $"{opt.Value.ToString()},";
}
value = mselectValueString.Remove(mselectValueString.Length - 1);
}
else if (value is OptionSetValue optionSetValue)
{
value = optionSetValue.Value.ToString();
}
else if (value is DateTime dateTimeValue)
{
var attributeInfo = mUtil.GetAttributeMetadata(sourceEntity.LogicalName, key.ToLower());
if (attributeInfo is Xrm.Sdk.Metadata.DateTimeAttributeMetadata attribDateTimeData)
{
if (attribDateTimeData.DateTimeBehavior == Xrm.Sdk.Metadata.DateTimeBehavior.DateOnly)
{
value = dateTimeValue.ToUniversalTime().ToString("yyyy-MM-dd");
}
else
{
if (attribDateTimeData.DateTimeBehavior == Xrm.Sdk.Metadata.DateTimeBehavior.TimeZoneIndependent)
{
value = dateTimeValue.ToUniversalTime().ToString("yyyy-MM-ddTHH:mm:ss.fff");
}
else
{
if (attribDateTimeData.DateTimeBehavior == Xrm.Sdk.Metadata.DateTimeBehavior.UserLocal)
{
value = dateTimeValue.ToUniversalTime().ToString("yyyy-MM-ddTHH:mm:ss.fffZ");
}
}
}
}
}
else if (value is Money moneyValue)
{
value = moneyValue.Value;
}
else if (value is bool boolValue)
{
value = boolValue.ToString();
}
else if (value is Guid guidValue)
{
value = guidValue.ToString();
}
else if (value is null)
{
var attributeInfo = mUtil.GetAttributeMetadata(sourceEntity.LogicalName, key.ToLower());
if (attributeInfo is Xrm.Sdk.Metadata.LookupAttributeMetadata attribData)
{
// Populate Key property
key = $"{key}@odata.bind";
}
value = null;
}
}
}
expandoObject.Add(key, value);
}
// Check to see if this contained an activity party
if (partiesCollection?.Count > 0)
{
expandoObject.Add($"{sourceEntity.LogicalName}_activity_parties", partiesCollection);
}
return((ExpandoObject)expandoObject);
}
/// <summary>
/// checks to see if an attribute has been added to the collection containing the ID of the entity .
/// this is required for the WebAPI to properly function.
/// </summary>
/// <param name="sourceEntity"></param>
/// <param name="mUtil"></param>
/// <returns></returns>
private static Entity UpdateEntityAttributesForPrimaryId(Entity sourceEntity, MetadataUtility mUtil)
{
if (sourceEntity.Id != Guid.Empty)
{
var entMeta = mUtil.GetEntityMetadata(sourceEntity.LogicalName);
sourceEntity.Attributes[entMeta.PrimaryIdAttribute] = sourceEntity.Id;
}
return(sourceEntity);
}
public DynamicEntityUtility(ServiceClient svcActions, MetadataUtility metaUtility)
{
svcAct = svcActions;
metadataUtil = metaUtility;
}
