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Code Issues Projects Releases Wiki Activity

Fix for Issue #19

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This commit is contained in:
David Bond
2018-05-15 00:34:37 +01:00
parent afbd41e090
commit 204a1b55e2
39 changed files with 379 additions and 504 deletions
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4
Sieve/Attributes/SieveAttribute.cs
View File

@@ -1,11 +1,9 @@
using Sieve.Models;
using System;
using System.Collections.Generic;
using System.Text;
namespace Sieve.Attributes
{
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
public class SieveAttribute : Attribute, ISievePropertyMetadata
{
/// <summary>

10
Sieve/Exceptions/SieveException.cs
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@@ -1,6 +1,4 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Sieve.Exceptions
{
@@ -13,5 +11,13 @@ namespace Sieve.Exceptions
public SieveException(string message, Exception innerException) : base(message, innerException)
{
}
public SieveException()
{
}
protected SieveException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) : base(info, context)
{
}
}
}

27
Sieve/Exceptions/SieveIncompatibleMethodException.cs
View File

@@ -1,6 +1,4 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Sieve.Exceptions
{
@@ -10,12 +8,11 @@ namespace Sieve.Exceptions
public Type ExpectedType { get; protected set; }
public Type ActualType { get; protected set; }
public SieveIncompatibleMethodException(
string methodName,
string methodName,
Type expectedType,
Type actualType,
string message)
string message)
: base(message)
{
MethodName = methodName;
@@ -24,16 +21,32 @@ namespace Sieve.Exceptions
}
public SieveIncompatibleMethodException(
string methodName,
string methodName,
Type expectedType,
Type actualType,
string message,
Exception innerException)
Exception innerException)
: base(message, innerException)
{
MethodName = methodName;
ExpectedType = expectedType;
ActualType = actualType;
}
public SieveIncompatibleMethodException(string message) : base(message)
{
}
public SieveIncompatibleMethodException(string message, Exception innerException) : base(message, innerException)
{
}
public SieveIncompatibleMethodException()
{
}
protected SieveIncompatibleMethodException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) : base(info, context)
{
}
}
}

20
Sieve/Exceptions/SieveMethodNotFoundException.cs
View File

@@ -1,6 +1,4 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Sieve.Exceptions
{
@@ -8,7 +6,7 @@ namespace Sieve.Exceptions
{
public string MethodName { get; protected set; }
public SieveMethodNotFoundException(string methodName, string message) : base (message)
public SieveMethodNotFoundException(string methodName, string message) : base(message)
{
MethodName = methodName;
}
@@ -17,5 +15,21 @@ namespace Sieve.Exceptions
{
MethodName = methodName;
}
public SieveMethodNotFoundException(string message) : base(message)
{
}
public SieveMethodNotFoundException(string message, Exception innerException) : base(message, innerException)
{
}
public SieveMethodNotFoundException()
{
}
protected SieveMethodNotFoundException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) : base(info, context)
{
}
}
}

6
Sieve/Extensions/OrderByDynamic.cs
View File

@@ -1,17 +1,15 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace Sieve.Extensions
{
public static partial class LinqExtentions
public static partial class LinqExtentions
{
public static IQueryable<TEntity> OrderByDynamic<TEntity>(this IQueryable<TEntity> source, string orderByProperty,
bool desc, bool useThenBy)
{
string command = desc ?
string command = desc ?
( useThenBy ? "ThenByDescending" : "OrderByDescending") :
( useThenBy ? "ThenBy" : "OrderBy");
var type = typeof(TEntity);

8
Sieve/Models/FilterOperator.cs
View File

@@ -1,10 +1,6 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Sieve.Models
namespace Sieve.Models
{
public enum FilterOperator
public enum FilterOperator
{
Equals,
NotEquals,

115
Sieve/Models/FilterTerm.cs
View File

@@ -1,14 +1,11 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Text;
using System.Linq;
namespace Sieve.Models
{
public class FilterTerm : IFilterTerm
{
private string _filter;
private string[] operators = new string[] {
private static readonly string[] Operators = new string[] {
"==*",
"@=*",
"_=*",
@@ -24,82 +21,50 @@ namespace Sieve.Models
public FilterTerm(string filter)
{
_filter = filter;
var filterSplits = filter.Split(Operators, StringSplitOptions.RemoveEmptyEntries).Select(t => t.Trim()).ToArray();
Names = filterSplits[0].Split('|').Select(t => t.Trim()).ToArray();
Value = filterSplits.Length > 1 ? filterSplits[1] : null;
Operator = Array.Find(Operators, o => filter.Contains(o)) ?? "==";
OperatorParsed = GetOperatorParsed(Operator);
OperatorIsCaseInsensitive = Operator.Contains("*");
}
public string Name
public string[] Names { get; }
public FilterOperator OperatorParsed { get; }
public string Value { get; }
public string Operator { get; }
private FilterOperator GetOperatorParsed(string Operator)
{
get
switch (Operator.Trim().ToLower())
{
var tokens = _filter.Split(operators, StringSplitOptions.RemoveEmptyEntries);
return tokens.Length > 0 ? tokens[0].Trim() : "";
case "==":
case "==*":
return FilterOperator.Equals;
case "!=":
return FilterOperator.NotEquals;
case "<":
return FilterOperator.LessThan;
case ">":
return FilterOperator.GreaterThan;
case ">=":
return FilterOperator.GreaterThanOrEqualTo;
case "<=":
return FilterOperator.LessThanOrEqualTo;
case "@=":
case "@=*":
return FilterOperator.Contains;
case "_=":
case "_=*":
return FilterOperator.StartsWith;
default:
return FilterOperator.Equals;
}
}
public string Operator
{
get
{
foreach (var op in operators)
{
if (_filter.IndexOf(op) != -1)
{
return op;
}
}
// Custom operators not supported
// var tokens = _filter.Split(' ');
// return tokens.Length > 2 ? tokens[1] : "";
return "";
}
}
public string Value {
get
{
var tokens = _filter.Split(operators, StringSplitOptions.RemoveEmptyEntries);
return tokens.Length > 1 ? tokens[1].Trim() : null;
}
}
public FilterOperator OperatorParsed {
get
{
switch (Operator.Trim().ToLower())
{
case "==":
case "==*":
return FilterOperator.Equals;
case "!=":
return FilterOperator.NotEquals;
case "<":
return FilterOperator.LessThan;
case ">":
return FilterOperator.GreaterThan;
case ">=":
return FilterOperator.GreaterThanOrEqualTo;
case "<=":
return FilterOperator.LessThanOrEqualTo;
case "@=":
case "@=*":
return FilterOperator.Contains;
case "_=":
case "_=*":
return FilterOperator.StartsWith;
default:
return FilterOperator.Equals;
}
}
}
public bool OperatorIsCaseInsensitive
{
get
{
return Operator.Contains("*");
}
}
public bool OperatorIsCaseInsensitive { get; }
}
}

9
Sieve/Models/IFilterTerm.cs
View File

@@ -1,13 +1,8 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Text;
namespace Sieve.Models
namespace Sieve.Models
{
public interface IFilterTerm
{
string Name { get; }
string[] Names { get; }
string Operator { get; }
bool OperatorIsCaseInsensitive { get; }
FilterOperator OperatorParsed { get; }

11
Sieve/Models/ISieveModel.cs
View File

@@ -1,20 +1,17 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Text;
using System.Collections.Generic;
namespace Sieve.Models
{
public interface ISieveModel<TFilterTerm, TSortTerm>
public interface ISieveModel<TFilterTerm, TSortTerm>
where TFilterTerm : IFilterTerm
where TSortTerm : ISortTerm
{
string Filters { get; set; }
string Sorts { get; set; }
int? Page { get; set; }
int? PageSize { get; set; }
List<TFilterTerm> FiltersParsed { get; }

9
Sieve/Models/ISievePropertyMetadata.cs
View File

@@ -1,11 +1,6 @@
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
namespace Sieve.Models
namespace Sieve.Models
{
public interface ISievePropertyMetadata
public interface ISievePropertyMetadata
{
string Name { get; set; }
bool CanFilter { get; set; }

9
Sieve/Models/ISortTerm.cs
View File

@@ -1,11 +1,6 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Text;
namespace Sieve.Models
namespace Sieve.Models
{
public interface ISortTerm
public interface ISortTerm
{
bool Descending { get; }
string Name { get; }

20
Sieve/Models/SieveModel.cs
View File

@@ -1,23 +1,20 @@
using System;
using System.Collections.Generic;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Text;
namespace Sieve.Models
{
public class SieveModel: ISieveModel<IFilterTerm, ISortTerm>
public class SieveModel : ISieveModel<IFilterTerm, ISortTerm>
{
public string Filters { get; set; }
public string Sorts { get; set; }
[Range(1, Double.MaxValue)]
[Range(1, int.MaxValue)]
public int? Page { get; set; }
[Range(1, Double.MaxValue)]
[Range(1, int.MaxValue)]
public int? PageSize { get; set; }
public List<IFilterTerm> FiltersParsed
{
get
@@ -30,13 +27,10 @@ namespace Sieve.Models
if (filter.StartsWith("("))
{
var filterOpAndVal = filter.Substring(filter.LastIndexOf(")") + 1);
var subfilters = filter.Replace(filterOpAndVal, "").Replace("(", "").Replace(")","");
foreach (var subfilter in subfilters.Split('|'))
{
value.Add(new FilterTerm(subfilter + filterOpAndVal));
}
var subfilters = filter.Replace(filterOpAndVal, "").Replace("(", "").Replace(")", "");
value.Add(new FilterTerm(subfilters + filterOpAndVal));
}
else
else
{
value.Add(new FilterTerm(filter));
}

9
Sieve/Models/SieveOptions.cs
View File

@@ -1,11 +1,6 @@
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Text;
namespace Sieve.Models
namespace Sieve.Models
{
public class SieveOptions
public class SieveOptions
{
public bool CaseSensitive { get; set; } = false;

9
Sieve/Models/SievePropertyMetadata.cs
View File

@@ -1,11 +1,6 @@
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
namespace Sieve.Models
namespace Sieve.Models
{
public class SievePropertyMetadata : ISievePropertyMetadata
public class SievePropertyMetadata : ISievePropertyMetadata
{
public string Name { get; set; }
public bool CanFilter { get; set; }

39
Sieve/Models/SortTerm.cs
View File

@@ -1,47 +1,16 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Text;
namespace Sieve.Models
namespace Sieve.Models
{
public class SortTerm : ISortTerm
{
private string _sort;
private readonly string _sort;
public SortTerm(string sort)
{
_sort = sort;
}
public string Name
{
get
{
if (_sort.StartsWith("-"))
{
return _sort.Substring(1);
}
else
{
return _sort;
}
}
}
public string Name => (_sort.StartsWith("-")) ? _sort.Substring(1) : _sort;
public bool Descending
{
get
{
if (_sort.StartsWith("-"))
{
return true;
}
else
{
return false;
}
}
}
public bool Descending => _sort.StartsWith("-");
}
}

8
Sieve/Services/ISieveCustomFilterMethods.cs
View File

@@ -1,10 +1,6 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Sieve.Services
namespace Sieve.Services
{
public interface ISieveCustomFilterMethods
public interface ISieveCustomFilterMethods
{
}
}

8
Sieve/Services/ISieveCustomSortMethods.cs
View File

@@ -1,10 +1,6 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Sieve.Services
namespace Sieve.Services
{
public interface ISieveCustomSortMethods
public interface ISieveCustomSortMethods
{
}
}

9
Sieve/Services/ISieveProcessor.cs
View File

@@ -1,14 +1,13 @@
using System.Collections.Generic;
using System.Linq;
using System.Linq;
using Sieve.Models;
namespace Sieve.Services
{
public interface ISieveProcessor
public interface ISieveProcessor
{
IQueryable<TEntity> Apply<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
IQueryable<TEntity> source,
ISieveModel<IFilterTerm, ISortTerm> model,
IQueryable<TEntity> source,
object[] dataForCustomMethods = null,
bool applyFiltering = true,
bool applySorting = true,

258
Sieve/Services/SieveProcessor.cs
View File

@@ -1,27 +1,22 @@
using Microsoft.Extensions.Options;
using Sieve.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Reflection;
using Sieve.Attributes;
using Sieve.Extensions;
using System;
using System.ComponentModel;
using System.Collections;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using Microsoft.Extensions.Options;
using Sieve.Attributes;
using Sieve.Exceptions;
using Sieve.Extensions;
using Sieve.Models;
namespace Sieve.Services
{
public class SieveProcessor : ISieveProcessor
{
private IOptions<SieveOptions> _options;
private ISieveCustomSortMethods _customSortMethods;
private ISieveCustomFilterMethods _customFilterMethods;
private SievePropertyMapper mapper = new SievePropertyMapper();
private readonly IOptions<SieveOptions> _options;
private readonly ISieveCustomSortMethods _customSortMethods;
private readonly ISieveCustomFilterMethods _customFilterMethods;
private readonly SievePropertyMapper mapper = new SievePropertyMapper();
public SieveProcessor(IOptions<SieveOptions> options,
ISieveCustomSortMethods customSortMethods,
@@ -67,8 +62,8 @@ namespace Sieve.Services
/// <param name="applyPagination">Should the data be paginated? Defaults to true.</param>
/// <returns>Returns a transformed version of `source`</returns>
public IQueryable<TEntity> Apply<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
IQueryable<TEntity> source,
ISieveModel<IFilterTerm, ISortTerm> model,
IQueryable<TEntity> source,
object[] dataForCustomMethods = null,
bool applyFiltering = true,
bool applySorting = true,
@@ -77,21 +72,29 @@ namespace Sieve.Services
var result = source;
if (model == null)
{
return result;
}
try
{
// Filter
if (applyFiltering)
{
result = ApplyFiltering(model, result, dataForCustomMethods);
}
// Sort
if (applySorting)
{
result = ApplySorting(model, result, dataForCustomMethods);
}
// Paginate
if (applyPagination)
{
result = ApplyPagination(model, result);
}
return result;
}
@@ -100,7 +103,10 @@ namespace Sieve.Services
if (_options.Value.ThrowExceptions)
{
if (ex is SieveException)
{
throw;
}
throw new SieveException(ex.Message, ex);
}
else
@@ -109,105 +115,117 @@ namespace Sieve.Services
}
}
}
private IQueryable<TEntity> ApplyFiltering<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
IQueryable<TEntity> result,
ISieveModel<IFilterTerm, ISortTerm> model,
IQueryable<TEntity> result,
object[] dataForCustomMethods = null)
{
if (model?.FiltersParsed == null)
return result;
foreach (var filterTerm in model.FiltersParsed)
{
var property = GetSieveProperty<TEntity>(false, true, filterTerm.Name);
if (property != null)
{
var converter = TypeDescriptor.GetConverter(property.PropertyType);
var parameter = Expression.Parameter(typeof(TEntity), "e");
dynamic filterValue = Expression.Constant(
converter.CanConvertFrom(typeof(string)) ?
converter.ConvertFrom(filterTerm.Value) :
Convert.ChangeType(filterTerm.Value, property.PropertyType));
dynamic propertyValue = Expression.PropertyOrField(parameter, property.Name);
if (filterTerm.OperatorIsCaseInsensitive)
{
propertyValue = Expression.Call(propertyValue,
typeof(string).GetMethods()
.First(m => m.Name == "ToUpper" && m.GetParameters().Length == 0));
filterValue = Expression.Call(filterValue,
typeof(string).GetMethods()
.First(m => m.Name == "ToUpper" && m.GetParameters().Length == 0));
}
Expression comparison;
switch (filterTerm.OperatorParsed)
{
case FilterOperator.Equals:
comparison = Expression.Equal(propertyValue, filterValue);
break;
case FilterOperator.NotEquals:
comparison = Expression.NotEqual(propertyValue, filterValue);
break;
case FilterOperator.GreaterThan:
comparison = Expression.GreaterThan(propertyValue, filterValue);
break;
case FilterOperator.LessThan:
comparison = Expression.LessThan(propertyValue, filterValue);
break;
case FilterOperator.GreaterThanOrEqualTo:
comparison = Expression.GreaterThanOrEqual(propertyValue, filterValue);
break;
case FilterOperator.LessThanOrEqualTo:
comparison = Expression.LessThanOrEqual(propertyValue, filterValue);
break;
case FilterOperator.Contains:
comparison = Expression.Call(propertyValue,
typeof(string).GetMethods()
.First(m => m.Name == "Contains" && m.GetParameters().Length == 1),
filterValue);
break;
case FilterOperator.StartsWith:
comparison = Expression.Call(propertyValue,
typeof(string).GetMethods()
.First(m => m.Name == "StartsWith" && m.GetParameters().Length == 1),
filterValue); break;
default:
comparison = Expression.Equal(propertyValue, filterValue);
break;
}
result = result.Where(Expression.Lambda<Func<TEntity, bool>>(
comparison,
parameter));
}
else
{
result = ApplyCustomMethod(result, filterTerm.Name, _customFilterMethods,
new object[] {
result,
filterTerm.Operator,
filterTerm.Value
}, dataForCustomMethods);
}
return result;
}
return result;
Expression outerExpression = null;
var parameterExpression = Expression.Parameter(typeof(TEntity), "e");
foreach (var filterTerm in model.FiltersParsed)
{
Expression innerExpression = null;
foreach (var filterTermName in filterTerm.Names)
{
var property = GetSieveProperty<TEntity>(false, true, filterTermName);
if (property != null)
{
var converter = TypeDescriptor.GetConverter(property.PropertyType);
dynamic filterValue = Expression.Constant(
converter.CanConvertFrom(typeof(string))
? converter.ConvertFrom(filterTerm.Value)
: Convert.ChangeType(filterTerm.Value, property.PropertyType));
dynamic propertyValue = Expression.PropertyOrField(parameterExpression, property.Name);
if (filterTerm.OperatorIsCaseInsensitive)
{
propertyValue = Expression.Call(propertyValue,
typeof(string).GetMethods()
.First(m => m.Name == "ToUpper" && m.GetParameters().Length == 0));
filterValue = Expression.Call(filterValue,
typeof(string).GetMethods()
.First(m => m.Name == "ToUpper" && m.GetParameters().Length == 0));
}
if (innerExpression == null)
{
innerExpression = GetExpression(filterTerm, filterValue, propertyValue);
}
else
{
innerExpression = Expression.Or(innerExpression, GetExpression(filterTerm, filterValue, propertyValue));
}
}
else
{
var parameters = new object[] {
result,
filterTerm.Operator,
filterTerm.Value
};
result = ApplyCustomMethod(result, filterTermName, _customFilterMethods, parameters, dataForCustomMethods);
}
}
if (outerExpression == null)
{
outerExpression = innerExpression;
continue;
}
outerExpression = Expression.And(outerExpression, innerExpression);
}
return outerExpression == null
? result
: result.Where(Expression.Lambda<Func<TEntity, bool>>(outerExpression, parameterExpression));
}
private static Expression GetExpression(IFilterTerm filterTerm, dynamic filterValue, dynamic propertyValue)
{
switch (filterTerm.OperatorParsed)
{
case FilterOperator.Equals:
return Expression.Equal(propertyValue, filterValue);
case FilterOperator.NotEquals:
return Expression.NotEqual(propertyValue, filterValue);
case FilterOperator.GreaterThan:
return Expression.GreaterThan(propertyValue, filterValue);
case FilterOperator.LessThan:
return Expression.LessThan(propertyValue, filterValue);
case FilterOperator.GreaterThanOrEqualTo:
return Expression.GreaterThanOrEqual(propertyValue, filterValue);
case FilterOperator.LessThanOrEqualTo:
return Expression.LessThanOrEqual(propertyValue, filterValue);
case FilterOperator.Contains:
return Expression.Call(propertyValue,
typeof(string).GetMethods()
.First(m => m.Name == "Contains" && m.GetParameters().Length == 1),
filterValue);
case FilterOperator.StartsWith:
return Expression.Call(propertyValue,
typeof(string).GetMethods()
.First(m => m.Name == "StartsWith" && m.GetParameters().Length == 1),
filterValue);
default:
return Expression.Equal(propertyValue, filterValue);
}
}
private IQueryable<TEntity> ApplySorting<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
ISieveModel<IFilterTerm, ISortTerm> model,
IQueryable<TEntity> result,
object[] dataForCustomMethods = null)
{
if (model?.SortsParsed == null)
{
return result;
}
var useThenBy = false;
foreach (var sortTerm in model.SortsParsed)
@@ -235,7 +253,7 @@ namespace Sieve.Services
}
private IQueryable<TEntity> ApplyPagination<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
ISieveModel<IFilterTerm, ISortTerm> model,
IQueryable<TEntity> result)
{
var page = model?.Page ?? 1;
@@ -245,20 +263,21 @@ namespace Sieve.Services
result = result.Skip((page - 1) * pageSize);
if (pageSize > 0)
{
result = result.Take(Math.Min(pageSize, maxPageSize));
}
return result;
}
protected virtual SievePropertyMapper MapProperties(SievePropertyMapper mapper)
{
return mapper;
}
private PropertyInfo GetSieveProperty<TEntity>(
bool canSortRequired,
bool canFilterRequired,
bool canSortRequired,
bool canFilterRequired,
string name)
{
return mapper.FindProperty<TEntity>(canSortRequired, canFilterRequired, name, _options.Value.CaseSensitive)
@@ -266,27 +285,21 @@ namespace Sieve.Services
}
private PropertyInfo FindPropertyBySieveAttribute<TEntity>(
bool canSortRequired,
bool canFilterRequired,
bool canSortRequired,
bool canFilterRequired,
string name,
bool isCaseSensitive)
{
return typeof(TEntity).GetProperties().FirstOrDefault(p =>
bool isCaseSensitive) => Array.Find(typeof(TEntity).GetProperties(), p =>
{
if (p.GetCustomAttribute(typeof(SieveAttribute)) is SieveAttribute sieveAttribute)
if ((canSortRequired ? sieveAttribute.CanSort : true) &&
(canFilterRequired ? sieveAttribute.CanFilter : true) &&
((sieveAttribute.Name ?? p.Name).Equals(name,
isCaseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase)))
return true;
return false;
return p.GetCustomAttribute(typeof(SieveAttribute)) is SieveAttribute sieveAttribute
&& (canSortRequired ? sieveAttribute.CanSort : true)
&& (canFilterRequired ? sieveAttribute.CanFilter : true)
&& ((sieveAttribute.Name ?? p.Name).Equals(name, isCaseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase));
});
}
private IQueryable<TEntity> ApplyCustomMethod<TEntity>(IQueryable<TEntity> result, string name, object parent, object[] parameters, object[] optionalParameters = null)
{
var customMethod = parent?.GetType()
.GetMethod(name,
.GetMethod(name,
_options.Value.CaseSensitive ? BindingFlags.Default : BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance);
if (customMethod != null)
@@ -308,7 +321,7 @@ namespace Sieve.Services
throw;
}
}
catch (ArgumentException) // name matched with custom method for a differnt type
catch (ArgumentException) // name matched with custom method for a different type
{
var expected = typeof(IQueryable<TEntity>);
var actual = customMethod.ReturnType;
@@ -318,8 +331,7 @@ namespace Sieve.Services
}
else
{
throw new SieveMethodNotFoundException(name,
$"{name} not found.");
throw new SieveMethodNotFoundException(name, $"{name} not found.");
}
return result;

21
Sieve/Services/SievePropertyMapper.cs
View File

@@ -4,27 +4,28 @@ using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Text;
namespace Sieve.Services
{
public class SievePropertyMapper
public class SievePropertyMapper
{
private Dictionary<Type, Dictionary<PropertyInfo, ISievePropertyMetadata>> _map
private readonly Dictionary<Type, Dictionary<PropertyInfo, ISievePropertyMetadata>> _map
= new Dictionary<Type, Dictionary<PropertyInfo, ISievePropertyMetadata>>();
public PropertyFluentApi<TEntity> Property<TEntity>(Expression<Func<TEntity, object>> expression)
{
if(!_map.ContainsKey(typeof(TEntity)))
{
_map.Add(typeof(TEntity), new Dictionary<PropertyInfo, ISievePropertyMetadata>());
}
return new PropertyFluentApi<TEntity>(this, expression);
}
public class PropertyFluentApi<TEntity>
{
private SievePropertyMapper _sievePropertyMapper;
private PropertyInfo _property;
private readonly SievePropertyMapper _sievePropertyMapper;
private readonly PropertyInfo _property;
public PropertyFluentApi(SievePropertyMapper sievePropertyMapper, Expression<Func<TEntity, object>> expression)
{
@@ -77,7 +78,7 @@ namespace Sieve.Services
var ubody = (UnaryExpression)exp.Body;
body = ubody.Operand as MemberExpression;
}
return body?.Member as PropertyInfo;
}
}
@@ -92,16 +93,14 @@ namespace Sieve.Services
{
return _map[typeof(TEntity)]
.FirstOrDefault(kv =>
kv.Value.Name.Equals(name, isCaseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase) &&
(canSortRequired ? kv.Value.CanSort : true) &&
(canFilterRequired ? kv.Value.CanFilter : true)).Key;
kv.Value.Name.Equals(name, isCaseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase)
&& (canSortRequired ? kv.Value.CanSort : true)
&& (canFilterRequired ? kv.Value.CanFilter : true)).Key;
}
catch (Exception ex) when (ex is KeyNotFoundException || ex is ArgumentNullException)
{
return null;
}
}
}
}