public void Does_GetMemberName()
{
Assert.That(ExpressionUtils.GetMemberName((Poco x) => x.Name),
Is.EqualTo("Name"));
Assert.That(ExpressionUtils.GetMemberName((ModelWithFieldsOfNullableTypes x) => x.NId),
Is.EqualTo("NId"));
}
/// <summary>
/// Fors the specified expression.
/// </summary>
/// <typeparam name="TProperty">The type of the property.</typeparam>
/// <param name="expression">The expression.</param>
/// <param name="param">The parameter.</param>
/// <returns></returns>
public IFilterBuilder <TDocument> For <TProperty>(Expression <Func <TDocument, TProperty> > expression, TProperty param)
{
var propertyName = ExpressionUtils.GetMemberName(expression);
_filter = Builders <TDocument> .Filter.Eq(propertyName, param);
return(this);
}
/// <summary>
/// Fors the specified expression.
/// </summary>
/// <typeparam name="TProperty">The type of the property.</typeparam>
/// <param name="expression">The expression.</param>
/// <returns></returns>
public IProjectionBuilder <TDocument> Include <TProperty>(Expression <Func <TDocument> > expression)
{
var propertyName = ExpressionUtils.GetMemberName(expression);
_projectionDefinition = Builders <TDocument> .Projection.Include(propertyName).Exclude(x => x._id);
return(this);
}
protected ValueConfigurator <TResult, TProperty> Value <TProperty>(
Expression <Func <TResult, TProperty> > expression, ValueProvider <TProperty> defaultValueProvider)
{
var memberName = ExpressionUtils.GetMemberName(expression);
var valueGetter = expression.Compile();
return(Value(memberName, defaultValueProvider, valueGetter));
}
protected ValuesConfigurator <TResult, TValue> Values <TValue>(Expression <Func <TResult, IEnumerable <TValue> > > expression,
Func <int, ValueProvider <TValue> > defaultValueProviderFactory)
{
var memberName = ExpressionUtils.GetMemberName(expression);
var valuesGetter = expression.Compile();
return(Values(memberName, defaultValueProviderFactory, valuesGetter));
}
/// <summary>
/// Sets the with current date.
/// </summary>
/// <typeparam name="TProperty">The type of the property.</typeparam>
/// <param name="expression">The expression.</param>
/// <param name="value">The value.</param>
/// <returns></returns>
public IUpdateBuilder <TDocument> SetWithCurrentDate <TProperty>(Expression <Func <TDocument, TProperty> > expression, TProperty value)
{
var propertyName = ExpressionUtils.GetMemberName(expression);
_updateDefinition = Builders <TDocument> .Update.Set(propertyName, value).CurrentDate(i => i.ModifiedOn);
return(this);
}
protected ChildConfigurator <TResult, TProperty, TBuilder, Child <TProperty, TBuilder> > AddChild <TProperty, TBuilder>(
Expression <Func <TResult, TProperty> > expression, Func <TResult, TBuilder> builderFactory)
where TBuilder : IBuilder <TProperty>
{
var memberName = ExpressionUtils.GetMemberName(expression);
var childGetter = expression.Compile();
return(AddChild <TProperty, TBuilder>(memberName, builderFactory, childGetter));
}
protected ChildrenConfigurator <TResult, TValue, TValueBuilder, Children <TValue, TValueBuilder> > AddChildren <TValue, TValueBuilder>(
Expression <Func <TResult, IEnumerable <TValue> > > expression, Func <TResult, int, TValueBuilder> builderFactory)
where TValueBuilder : IBuilder <TValue>
{
var memberName = ExpressionUtils.GetMemberName(expression);
var childrenGetter = expression.Compile();
return(AddChildren <TValue, TValueBuilder>(memberName, builderFactory, childrenGetter));
}
public static async Task <long> DecrementByIdAsync <T>(this IPocoDynamo db, object id, Expression <Func <T, object> > fieldExpr, long amount = 1, CancellationToken token = default)
{
return(await db.IncrementAsync <T>(id, ExpressionUtils.GetMemberName(fieldExpr), amount * -1, token).ConfigAwait());
}
public static long DecrementById <T>(this IPocoDynamo db, object id, Expression <Func <T, object> > fieldExpr, long amount = 1)
{
return(db.Increment <T>(id, ExpressionUtils.GetMemberName(fieldExpr), amount * -1));
}
public void GetMemberNameSuccess()
{
var n = ExpressionUtils.GetMemberName <Helper, int>(h => h.Value);
Assert.AreEqual(n, "Value");
}
public void GetMemberNameNullParam()
{
ExpressionUtils.GetMemberName <object, int>(null);
}
public void GetMemberName_CastedField_ReturnsFieldName()
{
var memberName = ExpressionUtils.GetMemberName <TestClass, object>(c => c.ValueTypeField);
Assert.That(memberName, Is.EqualTo(nameof(TestClass.ValueTypeField)));
}
public void GetMemberName_CastedProperty_ReturnsPropertyName()
{
var memberName = ExpressionUtils.GetMemberName <TestClass, object>(c => c.ValueTypeProperty);
Assert.That(memberName, Is.EqualTo(nameof(TestClass.ValueTypeProperty)));
}
public void GetMemberName_PrimitiveField_ReturnsFieldName()
{
var memberName = ExpressionUtils.GetMemberName <TestClass, int>(c => c.PrimitiveField);
Assert.That(memberName, Is.EqualTo(nameof(TestClass.PrimitiveField)));
}
public FieldDefinition GetFieldDefinition <T>(Expression <Func <T, object> > field)
{
return(GetFieldDefinition(ExpressionUtils.GetMemberName(field)));
}
public void GetMemberName_ChildProperty_ReturnsPropertyName()
{
var memberName = ExpressionUtils.GetMemberName <TestClass, DateTime>(c => c.Parent.ValueTypeProperty);
Assert.That(memberName, Is.EqualTo(nameof(TestClass.ValueTypeProperty)));
}
