internal static MethodDeclarationSyntax EqualsFilterExtensionMethod(
ParameterSyntax collectionParameter,
PropertyInfo modelProperty)
{
var filterParameterName = modelProperty.Name.ToCamelCase();
var filterParameterType = modelProperty.TypeInfo.IsString()
? modelProperty.TypeSyntax
: NullableType(modelProperty.TypeSyntax);
var filterParameter = BaseSyntaxGenerator.Parameter(filterParameterType, filterParameterName);
var collectionName = collectionParameter.Identifier.Text;
var condition = modelProperty.TypeInfo.IsString()
? StringNotEmptyCheckExpression(filterParameterName)
: NullableHasValueCheckExpression(filterParameterName);
var filterExpression = LinqWhereExpression(
collectionName,
LambdaGenerator.EqualsPredicate(collectionName.Substring(0, 1), modelProperty.Name, filterParameterName));
var methodBody = FilterExtensionMethodBody(condition, filterExpression, IdentifierName(collectionName));
return(FilterExtensionMethod(
modelProperty.Name,
collectionParameter,
filterParameter,
methodBody));
}
internal static MethodDeclarationSyntax StringContainsFilterExtensionMethod(
ParameterSyntax collectionParameter,
PropertyInfo modelProperty)
{
var filterParameterName = modelProperty.Name.ToCamelCase();
var filterParameter = BaseSyntaxGenerator.Parameter(modelProperty.TypeSyntax, filterParameterName);
var collectionName = collectionParameter.Identifier.Text;
var condition = StringNotEmptyCheckExpression(filterParameterName);
var filterExpression = LinqWhereExpression(
collectionName,
LambdaGenerator.ContainsPredicate(collectionName.Substring(0, 1), modelProperty.Name, filterParameterName));
var methodBody = FilterExtensionMethodBody(condition, filterExpression, IdentifierName(collectionName));
return(FilterExtensionMethod(
modelProperty.Name,
collectionParameter,
filterParameter,
methodBody));
}
internal static MethodDeclarationSyntax RangeToFilterExtensionMethod(
ParameterSyntax collectionParameter,
PropertyInfo modelProperty)
{
var filterParameterName = modelProperty.Name.ToCamelCase() + "To";
var filterToParameter = BaseSyntaxGenerator.Parameter(NullableType(modelProperty.TypeSyntax), filterParameterName);
var collectionName = collectionParameter.Identifier.Text;
var condition = NullableHasValueCheckExpression(filterParameterName);
var filterExpression = LinqWhereExpression(
collectionName,
LambdaGenerator.LessOrEqualPredicate(collectionName.Substring(0, 1), modelProperty.Name, filterParameterName));
var methodBody = FilterExtensionMethodBody(condition, filterExpression, IdentifierName(collectionName));
return(FilterExtensionMethod(
modelProperty.Name + "To",
collectionParameter,
filterToParameter,
methodBody));
}
