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Advancing well next we need to check null before calling toList()

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This commit is contained in:
David Lebée
2018-03-22 18:16:57 -05:00
parent be22a2a0dd
commit 190ac86bc4
7 changed files with 110 additions and 34 deletions
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PoweredSoft.DynamicLinq/Fluent/Select/SelectBuilder.cs
+17 -10
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@@ -20,13 +20,20 @@ namespace PoweredSoft.DynamicLinq.Fluent
public Type DestinationType { get; set; }
public bool Empty => Parts?.Count == 0;
public IQueryable Query { get; protected set; }
public bool IsNullCheckingEnabled { get; protected set; }
public SelectBuilder(IQueryable query)
{
Query = query;
}
protected void throwIfUsedOrEmpty(string propertyName)
public SelectBuilder NullChecking(bool check = true)
{
IsNullCheckingEnabled = check;
return this;
}
protected void ThrowIfUsedOrEmpty(string propertyName)
{
if (string.IsNullOrEmpty(propertyName))
throw new ArgumentNullException($"{propertyName} cannot end up be empty.");
@@ -40,7 +47,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
if (propertyName == null)
propertyName = path.Split('.').LastOrDefault();
throwIfUsedOrEmpty(propertyName);
ThrowIfUsedOrEmpty(propertyName);
Parts.Add(new SelectPart
{
@@ -57,7 +64,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
if (propertyName == null)
propertyName = path.Split('.').LastOrDefault();
throwIfUsedOrEmpty(propertyName);
ThrowIfUsedOrEmpty(propertyName);
Parts.Add(new SelectPart
{
@@ -71,7 +78,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
public SelectBuilder Count(string propertyName)
{
throwIfUsedOrEmpty(propertyName);
ThrowIfUsedOrEmpty(propertyName);
Parts.Add(new SelectPart
{
PropertyName = propertyName,
@@ -82,7 +89,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
public SelectBuilder LongCount(string propertyName)
{
throwIfUsedOrEmpty(propertyName);
ThrowIfUsedOrEmpty(propertyName);
Parts.Add(new SelectPart
{
PropertyName = propertyName,
@@ -96,7 +103,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
if (propertyName == null)
propertyName = path.Split('.').LastOrDefault();
throwIfUsedOrEmpty(propertyName);
ThrowIfUsedOrEmpty(propertyName);
Parts.Add(new SelectPart
{
@@ -112,7 +119,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
if (propertyName == null)
propertyName = path.Split('.').LastOrDefault();
throwIfUsedOrEmpty(propertyName);
ThrowIfUsedOrEmpty(propertyName);
Parts.Add(new SelectPart
{
@@ -125,7 +132,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
public SelectBuilder ToList(string propertyName)
{
throwIfUsedOrEmpty(propertyName);
ThrowIfUsedOrEmpty(propertyName);
Parts.Add(new SelectPart
{
PropertyName = propertyName,
@@ -139,7 +146,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
if (propertyName == null)
propertyName = path.Split('.').LastOrDefault();
throwIfUsedOrEmpty(propertyName);
ThrowIfUsedOrEmpty(propertyName);
Parts.Add(new SelectPart
{
@@ -158,7 +165,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
throw new Exception("No select specified, please specify at least one select path");
var partsTuple = Parts.Select(t => (selectType: t.SelectType, propertyName: t.PropertyName, path: t.Path, selectCollectionHandling: t.SelectCollectionHandling)).ToList();
return QueryableHelpers.Select(Query, partsTuple, DestinationType);
return QueryableHelpers.Select(Query, partsTuple, DestinationType, nullChecking: IsNullCheckingEnabled);
}
}
}