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Set up database level paging for retrieving child content for list view

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This commit is contained in:
AndyButland
2014-08-12 08:15:43 +01:00
parent fa4a268556
commit dc32138006
6 changed files with 137 additions and 36 deletions
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24
src/Umbraco.Core/Services/ContentService.cs
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@@ -2,6 +2,7 @@ using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Linq.Expressions;
using System.Threading;
using System.Xml.Linq;
using Umbraco.Core.Auditing;
@@ -13,6 +14,7 @@ using Umbraco.Core.Models.Membership;
using Umbraco.Core.Models.Rdbms;
using Umbraco.Core.Persistence;
using Umbraco.Core.Persistence.Caching;
using Umbraco.Core.Persistence.DatabaseModelDefinitions;
using Umbraco.Core.Persistence.Querying;
using Umbraco.Core.Persistence.Repositories;
using Umbraco.Core.Persistence.SqlSyntax;
@@ -473,6 +475,28 @@ namespace Umbraco.Core.Services
}
}
/// <summary>
/// Gets a collection of <see cref="IContent"/> objects by Parent Id
/// </summary>
/// <param name="id">Id of the Parent to retrieve Children from</param>
/// <param name="pageNumber">Page number</param>
/// <param name="pageSize">Page size</param>
/// <param name="totalRecords">Total records query would return without paging</param>
/// <param name="orderBy">Field to order by</param>
/// <param name="orderDirections">Direction to order by</param>
/// <returns>An Enumerable list of <see cref="IContent"/> objects</returns>
public IEnumerable<IContent> GetPagedChildren(int id, int pageNumber, int pageSize, out int totalChildren,
string orderBy, Direction orderDirection)
{
using (var repository = _repositoryFactory.CreateContentRepository(_uowProvider.GetUnitOfWork()))
{
var query = Query<IContent>.Builder.Where(x => x.ParentId == id);
var contents = repository.GetPagedResultsByQuery(query, pageNumber, pageSize, out totalChildren, orderBy, orderDirection);
return contents;
}
}
/// <summary>
/// Gets a collection of <see cref="IContent"/> objects by its name or partial name
/// </summary>

14
src/Umbraco.Core/Services/IContentService.cs
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@@ -2,6 +2,7 @@ using System;
using System.Collections.Generic;
using Umbraco.Core.Models;
using Umbraco.Core.Models.Membership;
using Umbraco.Core.Persistence.DatabaseModelDefinitions;
using Umbraco.Core.Publishing;
namespace Umbraco.Core.Services
@@ -108,6 +109,19 @@ namespace Umbraco.Core.Services
/// <returns>An Enumerable list of <see cref="IContent"/> objects</returns>
IEnumerable<IContent> GetChildren(int id);
/// <summary>
/// Gets a collection of <see cref="IContent"/> objects by Parent Id
/// </summary>
/// <param name="id">Id of the Parent to retrieve Children from</param>
/// <param name="pageNumber">Page number</param>
/// <param name="pageSize">Page size</param>
/// <param name="totalRecords">Total records query would return without paging</param>
/// <param name="orderBy">Field to order by</param>
/// <param name="orderDirections">Direction to order by</param>
/// <returns>An Enumerable list of <see cref="IContent"/> objects</returns>
IEnumerable<IContent> GetPagedChildren(int id, int pageNumber, int pageSize, out int totalChildren,
string orderBy, Direction orderDirection);
/// <summary>
/// Gets a collection of an <see cref="IContent"/> objects versions by its Id
/// </summary>