Open-Harbor/dotnet-dynamic-query
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next would be to add a bit more interceptors, example to interface the result of an aggregate and change it :)

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This commit is contained in:
David Lebee 2018-10-21 20:27:50 -05:00
parent 13f4ef0b83
commit e217896243
5 changed files with 83 additions and 16 deletions
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37
PoweredSoft.DynamicQuery.Cli/Program.cs
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@ -9,6 +9,7 @@ namespace PoweredSoft.DynamicQuery.Cli
{
public class PersonQueryInterceptor : IQueryInterceptor
, IAggregateInterceptor
, IQueryConvertInterceptor<Person>
//, IBeforeQueryAlteredInterceptor<Person>
//, IFilterInterceptor
{
@ -44,10 +45,21 @@ namespace PoweredSoft.DynamicQuery.Cli
public IAggregate InterceptAggregate(IAggregate aggregate)
{
if (aggregate.Path == nameof(Person.AgeStr))
if (aggregate.Path == nameof(PersonModel.AgeStr))
return new Aggregate {Type = aggregate.Type, Path = nameof(Person.Age)};
return aggregate;
}
public object InterceptResultTo(Person entity)
{
var personModel = new PersonModel();
personModel.Id = entity.Id;
personModel.FirstName = entity.FirstName;
personModel.LastName = entity.LastName;
personModel.Age = entity.Age;
personModel.Sex = entity.Sex;
return personModel;
}
}
public class Person
@ -56,13 +68,18 @@ namespace PoweredSoft.DynamicQuery.Cli
public string FirstName { get; set; }
public string LastName { get; set; }
public int Age { get; set; }
public string Sexe { get; set; }
public string AgeStr => $"{Age} years old";
public string Sex { get; set; }
}
public class OtherClass
public class PersonModel
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public int Age { get; set; }
public string Sex { get; set; }
public string AgeStr => $"{Age} years old";
public string FullName => $"{FirstName} {LastName}";
}
class Program
@ -78,11 +95,11 @@ namespace PoweredSoft.DynamicQuery.Cli
{
var list = new List<Person>()
{
new Person{ Id = 1, FirstName = "David", LastName = "Lebee", Sexe = "Male", Age = 29 },
new Person{ Id = 2, FirstName = "Michaela", LastName = "Lebee", Sexe = "Female", Age = 29},
new Person{ Id = 3, FirstName = "Zohra", LastName = "Lebee", Sexe = "Female", Age = 20},
new Person{ Id = 4, FirstName = "Eric", LastName = "Vickar", Sexe = "Male", Age = 30},
new Person{ Id = 5, FirstName = "Susan", LastName = "Vickar", Sexe = "Female", Age = 30},
new Person{ Id = 1, FirstName = "David", LastName = "Lebee", Sex = "Male", Age = 29 },
new Person{ Id = 2, FirstName = "Michaela", LastName = "Lebee", Sex = "Female", Age = 29},
new Person{ Id = 3, FirstName = "Zohra", LastName = "Lebee", Sex = "Female", Age = 20},
new Person{ Id = 4, FirstName = "Eric", LastName = "Vickar", Sex = "Male", Age = 30},
new Person{ Id = 5, FirstName = "Susan", LastName = "Vickar", Sex = "Female", Age = 30},
};
var queryable = list.AsQueryable();

12
PoweredSoft.DynamicQuery.Core/IQueryConvertInterceptor.cs Normal file
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@ -0,0 +1,12 @@
namespace PoweredSoft.DynamicQuery.Core
{
public interface IQueryConvertInterceptor : IQueryInterceptor
{
object InterceptResultTo(object entity);
}
public interface IQueryConvertInterceptor<T> : IQueryInterceptor
{
object InterceptResultTo(T entity);
}
}

2
PoweredSoft.DynamicQuery.Core/IQueryInterceptor.cs
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@ -6,6 +6,4 @@ namespace PoweredSoft.DynamicQuery.Core
{
}
}

18
PoweredSoft.DynamicQuery/QueryHandler.cs
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@ -69,9 +69,15 @@ namespace PoweredSoft.DynamicQuery
cgrr.GroupValue = groupRecord.GetDynamicPropertyValue($"Key_{gi}");
if (!isLast)
{
cgrr.Data = new List<object>();
}
else
cgrr.Data = groupRecord.GetDynamicPropertyValue<List<T>>("Records").Cast<object>().ToList();
{
var entities = groupRecord.GetDynamicPropertyValue<List<T>>("Records");
var records = InterceptConvertTo<T>(entities);
cgrr.Data = records;
}
if (previousGroupResults.Any())
previousGroupResults.Last().Data.Add(cgrr);
@ -204,9 +210,13 @@ namespace PoweredSoft.DynamicQuery
// sorts and paging.
ApplySorting<T>();
ApplyPaging<T>();
// the data.
result.Data = CurrentQueryable.ToObjectList();
// data.
var entities = ((IQueryable<T>)CurrentQueryable).ToList();
var records = InterceptConvertTo<T>(entities);
result.Data = records;
// aggregates.
result.Aggregates = CalculateTotalAggregate<T>(afterFilterQueryable);
return result;

30
PoweredSoft.DynamicQuery/QueryHandlerBase.cs
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@ -96,6 +96,36 @@ namespace PoweredSoft.DynamicQuery
return ret;
}
protected virtual List<object> InterceptConvertTo<T>(List<T> entities)
{
var objects = entities.Cast<object>().ToList();
for (var i = 0; i < objects.Count; i++)
objects[i] = InterceptConvertToObject<T>(objects[i]);
return objects;
}
protected virtual object InterceptConvertToObject<T>(object o)
{
o = Interceptors
.Where(t => t is IQueryConvertInterceptor)
.Cast<IQueryConvertInterceptor>()
.Aggregate(o, (prev, interceptor) => interceptor.InterceptResultTo(prev));
o = Interceptors
.Where(t => t is IQueryConvertInterceptor<T>)
.Cast<IQueryConvertInterceptor<T>>()
.Aggregate(o, (prev, interceptor) =>
{
if (prev is T)
return interceptor.InterceptResultTo((T)prev);
return o;
});
return o;
}
protected virtual List<ISort> InterceptSort<T>(ISort sort)
{
var original = new List<ISort>()