/// <summary>
/// Returns groups of duplicates.
/// </summary>
/// <param name="schemaName">Schema name.</param>
/// <param name="columns">Requested columns.</param>
/// <param name="offset">Start position for groups.</param>
/// <returns>Instance <see cref="DuplicatesGroupResponse"/> contains groups of duplicates.</returns>
public virtual DuplicatesGroupResponse GetDeduplicationResults(string schemaName, string[] columns,
int offset)
{
offset = offset == 0 ? 1 : offset;
List <InitialResultItem> initialResults = GetInitialResults(schemaName, offset);
DuplicatesGroupResponse result = new DuplicatesGroupResponse();
if (initialResults.Any())
{
int groupIdMax = initialResults.Max(initialItem => initialItem.GroupId);
RemoveInappropriateRecordsByRight(schemaName, initialResults);
EntitySchemaQuery esqEntityResults = GetEsqForInitialRecords(schemaName, offset, columns);
EntitySchemaQueryOptions options = new EntitySchemaQueryOptions {
PageableDirection = PageableSelectDirection.First,
PageableRowCount = RowsPerRequest,
PageableConditionValues = new Dictionary <string, object>()
};
Core.Entities.EntityCollection entityResults = esqEntityResults.GetEntityCollection(_userConnection, options);
List <EntityDuplicatesGroup> entityGroups = GroupEntityResults(initialResults, entityResults);
PrepareResults(entityGroups);
result = ConvertServerEntityToClientEntity(esqEntityResults, entityGroups);
if (initialResults.Select(group => group.GroupId).Distinct().Count() == GroupsPerRequest)
{
result.NextOffset = groupIdMax;
result.NextOffset++;
}
}
return(result);
}
private List <EntityDuplicatesGroup> GroupEntityResults(List <InitialResultItem> initResults,
Core.Entities.EntityCollection entities)
{
List <EntityDuplicatesGroup> result = new List <EntityDuplicatesGroup>();
foreach (var initResult in initResults)
{
Entity entity = entities.Find(initResult.RecordId);
if (entity != null)
{
EntityDuplicatesGroup groupItem =
result.FirstOrDefault(group => group.GroupId == initResult.GroupId);
if (groupItem == null)
{
groupItem = new EntityDuplicatesGroup()
{
GroupId = initResult.GroupId,
Duplicates = new Core.Entities.EntityCollection(_userConnection, entity.SchemaName)
};
result.Add(groupItem);
}
groupItem.Duplicates.Add(entity);
}
}
return(result);
}
