dotnet-dynamic-linq/PoweredSoft.DynamicLinq/Extensions/QueryableExtensions.cs

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using PoweredSoft.DynamicLinq.Fluent;
using PoweredSoft.DynamicLinq.Helpers;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
namespace PoweredSoft.DynamicLinq
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{
public static class QueryableExtensions
{
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public static IQueryable<T> Where<T>(this IQueryable<T> query, string path, ConditionOperators conditionOperator, object value,
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QueryConvertStrategy convertStrategy = QueryConvertStrategy.ConvertConstantToComparedPropertyOrField,
QueryCollectionHandling collectionHandling = QueryCollectionHandling.Any, StringComparison? stringComparision = null)
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{
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query = query.Query(qb => qb.Compare(path, conditionOperator, value, convertStrategy: convertStrategy, collectionHandling: collectionHandling, stringComparision: stringComparision));
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return query;
}
public static IQueryable<T> Where<T>(this IQueryable<T> query, Action<QueryBuilder<T>> callback)
=> query.Query(callback);
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public static IQueryable<T> Query<T> (this IQueryable<T> query, Action<QueryBuilder<T>> callback)
{
var queryBuilder = new QueryBuilder<T>(query);
callback(queryBuilder);
var ret = queryBuilder.Build();
return ret;
}
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public static IQueryable<T> Sort<T>(this IQueryable<T> query, string path, QuerySortDirection sortDirection, bool appendSort)
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{
var qb = new QueryBuilder<T>(query);
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qb.Sort(path, sortDirection, appendSort);
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var ret = qb.Build();
return ret;
}
public static IQueryable<T> OrderBy<T>(this IQueryable<T> query, string path)
{
var qb = new QueryBuilder<T>(query);
qb.OrderBy(path);
var ret = qb.Build();
return ret;
}
public static IQueryable<T> OrderByDescending<T>(this IQueryable<T> query, string path)
{
var qb = new QueryBuilder<T>(query);
qb.OrderByDescending(path);
var ret = qb.Build();
return ret;
}
public static IQueryable<T> ThenBy<T>(this IQueryable<T> query, string path)
{
var qb = new QueryBuilder<T>(query);
qb.ThenBy(path);
var ret = qb.Build();
return ret;
}
public static IQueryable<T> ThenByDescending<T>(this IQueryable<T> query, string path)
{
var qb = new QueryBuilder<T>(query);
qb.ThenByDescending(path);
var ret = qb.Build();
return ret;
}
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public static IQueryable GroupBy<T>(this IQueryable<T> query, string path)
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=> QueryableHelpers.GroupBy(query, typeof(T), path);
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public static IQueryable GroupBy(this IQueryable query, Type type, string path)
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=> QueryableHelpers.GroupBy(query, type, path);
public static IQueryable GroupBy<T>(this IQueryable<T> query, Action<GroupBuilder> callback)
=> query.GroupBy(typeof(T), callback);
public static IQueryable GroupBy(this IQueryable query, Type type, Action<GroupBuilder> callback)
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{
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var groupBuilder = new GroupBuilder();
callback(groupBuilder);
if (groupBuilder.Empty)
throw new Exception("No group specified, please specify at least one group");
return QueryableHelpers.GroupBy(query, type, groupBuilder.Parts);
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}
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}
}