internal BlBinaryExpression ApplySoftDeleteFilterIfApplicable(bool includeDeleted, BlBinaryExpression filter, BlsPawn pawn)
{
string containerName = Graph.GetStorageContainerNameForPawn(pawn);
BlGraphContainer container = Graph.CompiledCollections.FirstOrDefault(c => c.StorageContainerName == containerName);
BlContainerProp softDeleteProp = container?.Properties.FirstOrDefault(prop => prop.IsSoftDeleteProp);
if (softDeleteProp == null)
{
return(filter);
}
var softDeleteClause = new BlBinaryExpression
{
PropName = softDeleteProp.Name, Operator = BlOperator.Eq, Value = includeDeleted
};
if (filter == null)
{
return(softDeleteClause);
}
var newRoot = new BlBinaryExpression
{
Left = filter, Operator = BlOperator.And, Right = softDeleteClause
};
return(newRoot);
}
internal string ResolveSortExpression <TPawn>(Expression <Func <TPawn, IComparable> > sortProperty)
where TPawn : BlsPawn, new()
{
if (sortProperty == null)
{
string containerName = Graph.GetStorageContainerNameForPawn(new TPawn());
BlGraphContainer container = Graph.CompiledCollections.FirstOrDefault(c => c.StorageContainerName == containerName);
BlContainerProp defaultSortProperty = container?.Properties.FirstOrDefault(p => p.IsDefaultSort);
return(defaultSortProperty?.Name);
}
Expression expression = sortProperty.Body;
if (expression is MemberExpression)
{
return(expression.ToString().Split('.')[1]);
}
throw new InvalidSortPropertyError($"Only property access expression are supported; you provided {expression.GetType().Name}");
}
private BlGraphContainer ResolveContainerProps(BlGraphContainer container, BlsPawn pawn)
{
var softDeleteFlagUsed = false;
List <PropertyInfo> properties = pawn.GetType().GetProperties().ToList();
foreach (PropertyInfo property in properties)
{
Type propType = property.PropertyType;
if (BlUtils.IsEnumerableType(propType) && propType != typeof(string))
{
throw new DisallowedPawnPropertyError(
$"Collection properties are not allowed in pawns: {property.Name} of {pawn.GetType().Name}");
}
Attribute[] attributes = property.GetCustomAttributes().ToArray();
var blProp = new BlContainerProp();
if (property.CanRead && property.CanWrite)
{
container.Properties.Add(blProp);
blProp.Name = property.Name;
blProp.PropType = propType;
if (attributes.Any())
{
foreach (Attribute attribute in attributes)
{
if (attribute is UsedForSoftDeletes)
{
if (blProp.PropType != typeof(bool))
{
throw new InvalidPropertyTypeForSoftDelete($"Only boolean type is allowed for the soft delete flag. You are trying to apply it to the property {blProp.Name}, which is of type {blProp.PropType}");
}
if (softDeleteFlagUsed)
{
throw new DuplicateSoftDeletionFlagError(
$"Attempting to declare second soft deletion flag in pawn {blProp.Name}. Only one soft deletion property is allowed per pawn");
}
blProp.IsSoftDeleteProp = true;
softDeleteFlagUsed = true;
}
if (attribute is FullTextSearchable)
{
if (blProp.PropType != typeof(string))
{
throw new InvalidFullTextSearchAttributeError(
$"Attempting to apply a full text search attribute to a non-string property {blProp.Name} of {container.BlContainerName}");
}
blProp.IsSearchable = true;
}
if (attribute is StringLengthRestriction sRes)
{
if (blProp.PropType != typeof(string))
{
throw new InvalidRestrictiveAttributeError(
$"Attempting to apply a string attribute to a non-string property {blProp.Name} of {container.BlContainerName}");
}
blProp.MinChar = sRes.MinCharacters;
blProp.MaxChar = sRes.MaxCharacters == 0 ? int.MaxValue : sRes.MaxCharacters;
}
if (attribute is NumberRestriction nRes)
{
if (!BlUtils.IsNumericType(blProp.PropType))
{
throw new InvalidRestrictiveAttributeError(
$"Attempting to apply a numeric attribute to a non-number property {blProp.Name} of {container.BlContainerName}");
}
blProp.MinValue = nRes.Minimum;
blProp.MaxValue = Math.Abs(nRes.Maximum) < 0.000001 ? float.MaxValue : nRes.Maximum;
}
if (attribute is DateRestriction dRes)
{
if (blProp.PropType != typeof(DateTime))
{
throw new InvalidRestrictiveAttributeError(
$"Attempting to apply a date restriction attribute to a non-date property {blProp.Name} of {container.BlContainerName}");
}
DateTime earliestValue;
DateTime latestValue;
if (string.IsNullOrEmpty(dRes.Earliest))
{
earliestValue = DateTime.MinValue;
}
else
{
var parsed = DateTime.TryParse(dRes.Earliest, out earliestValue);
if (!parsed)
{
throw new InvalidRestrictiveAttributeError(
$"Date restriction attribute is not in correct format: {blProp.Name} of {container.BlContainerName}");
}
}
if (string.IsNullOrEmpty(dRes.Latest))
{
latestValue = DateTime.MaxValue;
}
else
{
var parsed = DateTime.TryParse(dRes.Latest, out latestValue);
if (!parsed)
{
throw new InvalidRestrictiveAttributeError(
$"Date restriction attribute is not in correct format: {blProp.Name} of {container.BlContainerName}");
}
}
blProp.EarliestDate = earliestValue;
blProp.LatestDate = latestValue;
}
}
}
}
}
return(container);
}
