public static async Task<PagingList<T>> CreateAsync(IOrderedQueryable<T> qry, int pageSize, int pageIndex)
{
var pageCount = (int)Math.Ceiling(await qry.CountAsync() / (double)pageSize);
return new PagingList<T>(await qry.Skip((pageIndex - 1) * pageSize).Take(pageSize).ToListAsync(),
pageSize, pageIndex, pageCount);
}
public async Task <ActionResult> GetAlertsTable([System.Web.Http.FromBody] DataTableParameters dataTableParameters)
{
var userId = User.Identity.GetUserId();
if (userId == null)
{
return(RedirectToAction("Index", "Home"));
}
using (var db = new ZapContext())
{
var sorts = dataTableParameters.Order;
var pageUserAlertsQS = db.Users
.Where(u => u.AppId == userId)
.SelectMany(u => u.Alerts)
.Include(m => m.PostLink)
.Include(m => m.CommentLink)
.Where(m => !m.IsDeleted);
// Build our query and ensure default sort order
IOrderedQueryable <UserAlert> pageUserAlertsQ = pageUserAlertsQS.OrderByDescending(m => m.TimeStamp);
foreach (var s in sorts)
{
if (s.Dir == "asc")
{
if (dataTableParameters.Columns[s.Column].Name == "Date")
{
pageUserAlertsQ = pageUserAlertsQS.OrderBy(q => q.TimeStamp ?? DateTime.UtcNow);
}
}
else
{
if (dataTableParameters.Columns[s.Column].Name == "Date")
{
pageUserAlertsQ = pageUserAlertsQS.OrderByDescending(q => q.TimeStamp ?? DateTime.UtcNow);
}
}
}
var pageUserAlerts = await pageUserAlertsQ
.Skip(dataTableParameters.Start)
.Take(dataTableParameters.Length)
.ToListAsync();
List <AlertDataItem> values = GetAlertDataItems(pageUserAlerts);
int numrec = await pageUserAlertsQ.CountAsync();
return(Json(new
{
draw = dataTableParameters.Draw,
recordsTotal = numrec,
recordsFiltered = numrec,
data = values
}));
}
}
public static async Task <PagedList <T> > CreateAsync(IOrderedQueryable <T> source, int pageNumber, int pageSize)
{
var count = await source.CountAsync();
var items = await source.Skip((pageNumber - 1) *pageSize).Take(pageSize).ToListAsync();
return(new PagedList <T>(items, count, pageNumber, pageSize));
}
/// <summary>
/// 分页
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="orderedResult">已排序集合对象</param>
/// <param name="pageIndex">页码</param>
/// <param name="pageSize">页容量</param>
/// <returns>实体对象列表</returns>
public static async Task<Page<T>> ToPageAsync<T>(this IOrderedQueryable<T> orderedResult, int pageIndex, int pageSize)
{
int rowCount = await orderedResult.CountAsync();
int pageCount = (int)Math.Ceiling(rowCount * 1.0 / pageSize);
IList<T> pagedResult = await orderedResult.Skip((pageIndex - 1) * pageSize).Take(pageSize).ToListAsync();
return new Page<T>(pagedResult, pageIndex, pageSize, pageCount, rowCount);
}
public static async Task <PagedList <T> > PaginateAsync(int pageNumber, int pageSize, IOrderedQueryable <T> collection)
{
int totalCount = await collection.CountAsync();
List <T> pagedList = await collection.Skip((pageNumber - 1) *pageSize).Take(pageSize).ToListAsync();
return(new PagedList <T>(pagedList, totalCount));
}
public static async Task <PagingList <T> > CreateAsync <T>(IOrderedQueryable <T> qry, string action, string controller, int pageSize, int pageIndex) where T : class
{
var totalRecordCount = await qry.CountAsync();
var pageCount = (int)Math.Ceiling(totalRecordCount / (double)pageSize);
return(new PagingList <T>(await qry.Skip((pageIndex - 1) * pageSize).Take(pageSize).ToListAsync(), action, controller,
pageSize, pageIndex, pageCount, totalRecordCount));
}
public async IAsyncEnumerable <List <T> > BatchAsync <T>(IOrderedQueryable <T> collection, int size)
{
var batches = (double)await collection.CountAsync() / size;
for (var i = 0; i < batches; i++)
{
yield return(await collection.Skip(i *size).Take(size).ToListAsync());
}
}
/// <summary>
/// Create a paging list based on the EntityFramework ordered query
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="qry">Entity Framework ordered query</param>
/// <param name="pageSize">The size of the Page</param>
/// <param name="pageIndex">The index of the Page (1 based, not zero)</param>
/// <returns>The PagingListOfT</returns>
public static async Task <PagingList <T> > CreateAsync <T>(IOrderedQueryable <T> qry, int pageSize, int pageIndex) where T : class
{
var totalRecordCount = await qry.CountAsync().ConfigureAwait(false);
var pageCount = (int)Math.Ceiling(totalRecordCount / (double)pageSize);
return(new PagingList <T>(await qry.Skip((pageIndex - 1) * pageSize).Take(pageSize).ToListAsync().ConfigureAwait(false),
pageIndex, pageCount, totalRecordCount));
}
public static async Task <Pagination <TResult> > GetPageAsync <TSource, TProjection, TResult>(this IOrderedQueryable <TSource> query, int pageNumber, int pageSize, Expression <Func <TSource, TProjection> > serverProjection, Func <TProjection, TResult> clientProjection)
{
var totalCount = await query.CountAsync();
var items = await query
.Select(serverProjection)
.Skip((pageNumber - 1) * pageSize)
.Take(pageSize)
.ToListAsync();
return(new Pagination <TResult>(items.Select(clientProjection), totalCount, pageSize, pageNumber));
}
protected async Task <PaginatedResult <T> > Paginate <T>
(
IQueryable <T> data,
PaginationData paginationData,
params Expression <Func <T, object> >[] keys
)
{
var skipRows = (paginationData.CurrentPage - 1) * paginationData.RowsPerPage;
IOrderedQueryable <T> orderedData = null;
for (int i = 0; i < keys.Count(); ++i)
{
if (i == 0)
{
orderedData = data.OrderBy(keys[i]);
}
else
{
orderedData = orderedData.ThenBy(keys[i]);
}
}
var paginated = orderedData.Skip(skipRows).Take(paginationData.RowsPerPage);
var result = new PaginatedResult <T>
{
Result = await paginated.ToListAsync(),
PaginationData = new PaginationDataResult()
};
var dataCount = await orderedData.CountAsync();
var pages = dataCount % paginationData.RowsPerPage > 0 ?
(dataCount / paginationData.RowsPerPage) + 1 :
dataCount / paginationData.RowsPerPage;
result.PaginationData.PageCount = pages;
result.PaginationData.CurrentPage = paginationData.CurrentPage;
result.PaginationData.RowsPerPage = paginationData.RowsPerPage;
result.PaginationData.RowCount = dataCount;
if (result.PaginationData.CurrentPage > result.PaginationData.PageCount && result.PaginationData.PageCount != 0)
{
result.PaginationData.CurrentPage = result.PaginationData.PageCount;
}
return(result);
}
public static async Task <int> CountNoLockAsync <T>(this IOrderedQueryable <T> query)
{
using (
var scope = new TransactionScope(TransactionScopeOption.Required,
new TransactionOptions()
{
IsolationLevel = IsolationLevel.ReadUncommitted
},
TransactionScopeAsyncFlowOption.Enabled))
{
int toReturn = await query.CountAsync();
scope.Complete();
return(toReturn);
}
}
public static async Task <PagingList <T> > CreateAsync <T>(IOrderedQueryable <T> qry, int pageSize, int pageIndex,
Func <T, int?> totalCount = null,
string action = "Index") where T : class
{
var list = await qry.Skip((pageIndex - 1) *pageSize).Take(pageSize).ToListAsync();
var totalRecordCountInvoke = (totalCount != null && list.Count > 0) ? totalCount(list.First()) : null;
var totalRecordCount = totalRecordCountInvoke ?? await qry.CountAsync();
var pageCount = (int)Math.Ceiling(totalRecordCount / (double)pageSize);
return(new PagingList <T>(list, pageSize, pageIndex, pageCount, totalRecordCount)
{
Action = action
});
}
public static async Task <PagedResponse <T> > GetPagedResponse <T>(IOrderedQueryable <T> query, PaginationQuery paginationQuery, CancellationToken cancellationToken)
{
var result = await query
.Skip(paginationQuery.Skip)
.Take(paginationQuery.Count)
.ToListAsync(cancellationToken);
var totalCount = await query.CountAsync(cancellationToken);
return(new PagedResponse <T>(result)
{
Count = result.Count,
Data = result,
Skipped = paginationQuery.Skip,
TotalCount = totalCount
});
}
public static async Task <AiurPagedCollection <T> > BuildAsync <T>(
IOrderedQueryable <T> query,
IPageable pager,
ErrorType code,
string message)
{
var items = await query.Page(pager).ToListAsync();
return(new AiurPagedCollection <T>(items)
{
TotalCount = await query.CountAsync(),
CurrentPage = pager.PageNumber,
CurrentPageSize = pager.PageSize,
Code = code,
Message = message
});
}
public static async Task <PaginatedList <T> > CreateAsync(IOrderedQueryable <T> source, FilterGas filter)
{
//кількість елементів
int count = await source.CountAsync();
filter.TotalPages = (int)Math.Ceiling(count / (double)filter.PageSize);
//якщо поле "поточна сторінка" більше ніж кількість сторінок після зміни фільтру:
while (filter.PageIndex > filter.TotalPages)
{
filter.PageIndex--;
}
//вибірка потрібної сторінки
items = await source.Skip((filter.PageIndex - 1) *filter.PageSize).Take(filter.PageSize).ToListAsync();
return(new PaginatedList <T>(count, filter));
}
public static async Task <PageInfo <T> > ToPageAsync <T>(this IOrderedQueryable <T> source, int pageIndex, int pageSize) where T : class
{
int total = await source.CountAsync();
var inc = total % pageSize > 0 ? 0 : -1;
var maxPageIndex = (int)Math.Floor((double)total / pageSize) + inc;
pageIndex = Math.Max(0, Math.Min(pageIndex, maxPageIndex));
var data = await source.Skip(pageIndex *pageSize).Take(pageSize).AsNoTracking().ToListAsync();
var page = new PageInfo <T>(total, data)
{
PageIndex = pageIndex, PageSize = pageSize
};
return(page);
}
/// <summary>
/// 生成分页集合
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="TDto"></typeparam>
/// <param name="query"></param>
/// <param name="page">当前页</param>
/// <param name="size">页大小</param>
/// <param name="mapper"></param>
/// <returns></returns>
public static async Task <PagedList <TDto> > ToPagedListAsync <T, TDto>(this IOrderedQueryable <T> query, int page, int size, MapperConfiguration mapper)
{
var totalCount = await query.CountAsync();
if (page * size > totalCount)
{
page = (int)Math.Ceiling(totalCount / (size * 1.0));
}
if (page <= 0)
{
page = 1;
}
var list = await query.Skip(size *(page - 1)).Take(size).ProjectTo <TDto>(mapper).NotCacheable().ToListAsync();
return(new PagedList <TDto>(list, page, size, totalCount));
}
/// <summary>
/// 生成分页集合
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="query"></param>
/// <param name="page">当前页</param>
/// <param name="size">页大小</param>
/// <returns></returns>
public static async Task <PagedList <T> > ToPagedListAsync <T>(this IOrderedQueryable <T> query, int page, int size)
{
var totalCount = await query.CountAsync();
if (page * size > totalCount)
{
page = (int)Math.Ceiling(totalCount / (size * 1.0));
}
if (page <= 0)
{
page = 1;
}
var list = await query.Skip(size *(page - 1)).Take(size).ToListAsync();
return(new PagedList <T>(list, page, size, totalCount));
}
public static async Task <Page <TResult> > ToPageAsync <TSource, TResult>(this IOrderedQueryable <TSource> queryable, int index, int size, Expression <Func <TSource, TResult> > resultSelector)
{
if (queryable == null)
{
throw new ArgumentNullException(nameof(queryable));
}
if (index < 0)
{
throw new ArgumentException("Index must be greater than or equal to 0.", nameof(index));
}
if (size <= 0)
{
throw new ArgumentException("Size must be greater than 0.", nameof(size));
}
var count = queryable.CountAsync();
var items = queryable.Skip(index * size).Take(size).Select(resultSelector).ToListAsync();
return(new Page <TResult>(index, size, await count, await items));
}
public async Task <PagedResult <TResult> > GetPageAsync <TResult>(IOrderedQueryable <TResult> source,
int pageNo,
int pageSize, Expression <Func <TSource, TResult> > converter)
{
if (pageNo < 1)
{
pageNo = 1;
}
var total = await source.CountAsync();
var result = await source
.Skip(pageSize *(pageNo - 1))
.Take(pageSize)
.ToListAsync();
return(new PagedResult <TResult>
{
Total = total,
Result = result
});
}
public async Task QueryableExtentionFunctionsTest()
{
//Creating items for query.
IList <ToDoActivity> itemList = await ToDoActivity.CreateRandomItems(container : this.Container, pkCount : 10, perPKItemCount : 1, randomPartitionKey : true);
QueryRequestOptions queryRequestOptions = new QueryRequestOptions();
IOrderedQueryable <ToDoActivity> linqQueryable = this.Container.GetItemLinqQueryable <ToDoActivity>(
requestOptions: queryRequestOptions);
int count = await linqQueryable.CountAsync();
Assert.AreEqual(10, count);
Response <int> intSum = await linqQueryable.Select(item => item.taskNum).SumAsync();
this.VerifyResponse(intSum, 420, queryRequestOptions);
Response <int?> intNullableSum = await linqQueryable.Select(item => (int?)item.taskNum).SumAsync();
this.VerifyResponse(intNullableSum, 420, queryRequestOptions);
Response <float> floatSum = await linqQueryable.Select(item => (float)item.taskNum).SumAsync();
this.VerifyResponse(floatSum, 420, queryRequestOptions);
Response <float?> floatNullableSum = await linqQueryable.Select(item => (float?)item.taskNum).SumAsync();
this.VerifyResponse(floatNullableSum, 420, queryRequestOptions);
Response <double> doubleSum = await linqQueryable.Select(item => (double)item.taskNum).SumAsync();
this.VerifyResponse(doubleSum, 420, queryRequestOptions);
Response <double?> doubleNullableSum = await linqQueryable.Select(item => (double?)item.taskNum).SumAsync();
this.VerifyResponse(doubleNullableSum, 420, queryRequestOptions);
Response <long> longSum = await linqQueryable.Select(item => (long)item.taskNum).SumAsync();
this.VerifyResponse(longSum, 420, queryRequestOptions);
Response <long?> longNullableSum = await linqQueryable.Select(item => (long?)item.taskNum).SumAsync();
this.VerifyResponse(longNullableSum, 420, queryRequestOptions);
Response <decimal> decimalSum = await linqQueryable.Select(item => (decimal)item.taskNum).SumAsync();
this.VerifyResponse(decimalSum, 420, queryRequestOptions);
Response <decimal?> decimalNullableSum = await linqQueryable.Select(item => (decimal?)item.taskNum).SumAsync();
this.VerifyResponse(decimalNullableSum, 420, queryRequestOptions);
Response <double> intToDoubleAvg = await linqQueryable.Select(item => item.taskNum).AverageAsync();
this.VerifyResponse(intToDoubleAvg, 42, queryRequestOptions);
Response <double?> intToDoubleNulableAvg = await linqQueryable.Select(item => (double?)item.taskNum).AverageAsync();
this.VerifyResponse(intToDoubleNulableAvg, 42, queryRequestOptions);
Response <float> floatAvg = await linqQueryable.Select(item => (float)item.taskNum).AverageAsync();
this.VerifyResponse(floatAvg, 42, queryRequestOptions);
Response <float?> floatNullableAvg = await linqQueryable.Select(item => (float?)item.taskNum).AverageAsync();
this.VerifyResponse(floatNullableAvg, 42, queryRequestOptions);
Response <double> doubleAvg = await linqQueryable.Select(item => (double)item.taskNum).AverageAsync();
this.VerifyResponse(doubleAvg, 42, queryRequestOptions);
Response <double?> doubleNullableAvg = await linqQueryable.Select(item => (double?)item.taskNum).AverageAsync();
this.VerifyResponse(doubleNullableAvg, 42, queryRequestOptions);
Response <double> longToDoubleAvg = await linqQueryable.Select(item => (long)item.taskNum).AverageAsync();
this.VerifyResponse(longToDoubleAvg, 42, queryRequestOptions);
Response <double?> longToNullableDoubleAvg = await linqQueryable.Select(item => (long?)item.taskNum).AverageAsync();
this.VerifyResponse(longToNullableDoubleAvg, 42, queryRequestOptions);
Response <decimal> decimalAvg = await linqQueryable.Select(item => (decimal)item.taskNum).AverageAsync();
this.VerifyResponse(decimalAvg, 42, queryRequestOptions);
Response <decimal?> decimalNullableAvg = await linqQueryable.Select(item => (decimal?)item.taskNum).AverageAsync();
this.VerifyResponse(decimalNullableAvg, 42, queryRequestOptions);
//Adding more items to test min and max function
ToDoActivity toDoActivity = ToDoActivity.CreateRandomToDoActivity();
toDoActivity.taskNum = 20;
toDoActivity.id = "minTaskNum";
await this.Container.CreateItemAsync(toDoActivity, new PartitionKey(toDoActivity.pk));
toDoActivity.taskNum = 100;
toDoActivity.id = "maxTaskNum";
await this.Container.CreateItemAsync(toDoActivity, new PartitionKey(toDoActivity.pk));
Response <int> minTaskNum = await linqQueryable.Select(item => item.taskNum).MinAsync();
Assert.AreEqual(20, minTaskNum);
Response <int> maxTaskNum = await linqQueryable.Select(item => item.taskNum).MaxAsync();
Assert.AreEqual(100, maxTaskNum);
}
public async Task <ActionResult> GetMessagesTable([System.Web.Http.FromBody] DataTableParameters dataTableParameters)
{
var userId = User.Identity.GetUserId();
if (userId == null || dataTableParameters == null)
{
return(RedirectToAction("Index", "Home"));
}
using (var db = new ZapContext())
{
var sorts = dataTableParameters.Order;
var pageUserMessagesQS = db.Users
.Where(u => u.AppId == userId)
.SelectMany(u => u.Messages)
.Include(m => m.From)
.Include(m => m.PostLink)
.Include(m => m.CommentLink)
.Where(m => !m.IsDeleted)
.Where(m => m.CommentLink != null);
// Build our query
IOrderedQueryable <UserMessage> pageUserMessagesQ = null;
foreach (var s in sorts)
{
if (s.Dir == "asc")
{
if (dataTableParameters.Columns[s.Column].Name == "Date")
{
pageUserMessagesQ = pageUserMessagesQS.OrderBy(q => q.TimeStamp ?? DateTime.UtcNow);
}
else if (dataTableParameters.Columns[s.Column].Name == "From")
{
pageUserMessagesQ = pageUserMessagesQS.OrderBy(q => q.From != null ? q.From.Name : "");
}
}
else
{
if (dataTableParameters.Columns[s.Column].Name == "Date")
{
pageUserMessagesQ = pageUserMessagesQS.OrderByDescending(q => q.TimeStamp);
}
else if (dataTableParameters.Columns[s.Column].Name == "From")
{
pageUserMessagesQ = pageUserMessagesQS.OrderByDescending(q => q.From != null ? q.From.Name : "");
}
}
}
// Ensure default sort order
if (pageUserMessagesQ == null)
{
pageUserMessagesQ = pageUserMessagesQS.OrderByDescending(m => m.TimeStamp);
}
var pageUserMessages = await pageUserMessagesQ
.Skip(dataTableParameters.Start)
.Take(dataTableParameters.Length)
.ToListAsync().ConfigureAwait(true);
var values = pageUserMessages.AsParallel()
.Select(u => new MessageDataItem()
{
Id = u.Id,
Type = u.IsPrivateMessage ? "Private Message" : u.CommentLink != null ? "Comment" : "?",
Date = u.TimeStamp != null ? u.TimeStamp.Value.ToString("o", CultureInfo.InvariantCulture) : "?",
From = u.From != null ? u.From.Name : "?",
FromID = u.From != null ? u.From.AppId : "?",
Message = u.Content,
Status = u.IsRead ? "Read" : "Unread",
Link = u.PostLink != null ? u.PostLink.PostId.ToString(CultureInfo.InvariantCulture) : "",
Anchor = u.CommentLink != null ? u.CommentLink.CommentId.ToString(CultureInfo.InvariantCulture) : "",
}).ToList();
int numrec = await pageUserMessagesQ.CountAsync().ConfigureAwait(true);
var ret = new
{
draw = dataTableParameters.Draw,
recordsTotal = numrec,
recordsFiltered = numrec,
data = values
};
return(Json(ret));
}
}
public async Task <int> CountAsync(IOrderedQueryable <T> queryable) => await queryable.CountAsync();
public async Task <int> GetCount <T>(IOrderedQueryable <T> query)
{
var response = await query.CountAsync();
return(response);
}
public async Task QueryableExtentionFunctionsTest()
{
//Creating items for query.
IList <ToDoActivity> itemList = await ToDoActivity.CreateRandomItems(container : this.Container, pkCount : 10, perPKItemCount : 1, randomPartitionKey : true);
IOrderedQueryable <ToDoActivity> linqQueryable = this.Container.GetItemLinqQueryable <ToDoActivity>();
int count = await linqQueryable.CountAsync();
Assert.AreEqual(10, count);
int intSum = await linqQueryable.Select(item => item.taskNum).SumAsync();
Assert.AreEqual(420, intSum);
int?intNullableSum = await linqQueryable.Select(item => item.taskNum).SumAsync();
Assert.AreEqual(420, intNullableSum);
float floatSum = await linqQueryable.Select(item => (float)item.taskNum).SumAsync();
Assert.AreEqual(420, intSum);
float?floatNullableSum = await linqQueryable.Select(item => (float?)item.taskNum).SumAsync();
Assert.AreEqual(420, intNullableSum);
double doubleSum = await linqQueryable.Select(item => (double)item.taskNum).SumAsync();
Assert.AreEqual(420, doubleSum);
double?doubleNullableSum = await linqQueryable.Select(item => (double?)item.taskNum).SumAsync();
Assert.AreEqual(420, doubleNullableSum);
long longSum = await linqQueryable.Select(item => (long)item.taskNum).SumAsync();
Assert.AreEqual(420, longSum);
long?longNullableSum = await linqQueryable.Select(item => (long?)item.taskNum).SumAsync();
Assert.AreEqual(420, longNullableSum);
decimal decimalSum = await linqQueryable.Select(item => (decimal)item.taskNum).SumAsync();
Assert.AreEqual(420, decimalSum);
decimal?decimalNullableSum = await linqQueryable.Select(item => (decimal?)item.taskNum).SumAsync();
Assert.AreEqual(420, decimalNullableSum);
double intToDoubleAvg = await linqQueryable.Select(item => item.taskNum).AverageAsync();
Assert.AreEqual(42, intToDoubleAvg);
double?intToDoubleNulableAvg = await linqQueryable.Select(item => item.taskNum).AverageAsync();
Assert.AreEqual(42, intToDoubleNulableAvg);
float floatAvg = await linqQueryable.Select(item => (float)item.taskNum).AverageAsync();
Assert.AreEqual(42, floatAvg);
float?floatNullableAvg = await linqQueryable.Select(item => (float?)item.taskNum).AverageAsync();
Assert.AreEqual(42, floatNullableAvg);
double doubleAvg = await linqQueryable.Select(item => (double)item.taskNum).AverageAsync();
Assert.AreEqual(42, doubleAvg);
double?doubleNullableAvg = await linqQueryable.Select(item => (double?)item.taskNum).AverageAsync();
Assert.AreEqual(42, doubleNullableAvg);
double longToDoubleAvg = await linqQueryable.Select(item => (long)item.taskNum).AverageAsync();
Assert.AreEqual(42, longToDoubleAvg);
double?longToNullableDoubleAvg = await linqQueryable.Select(item => (long?)item.taskNum).AverageAsync();
Assert.AreEqual(42, longToNullableDoubleAvg);
decimal decimalAvg = await linqQueryable.Select(item => (decimal)item.taskNum).AverageAsync();
Assert.AreEqual(42, decimalAvg);
decimal?decimalNullableAvg = await linqQueryable.Select(item => (decimal?)item.taskNum).AverageAsync();
Assert.AreEqual(42, decimalNullableAvg);
//Adding more items to test min and max function
ToDoActivity toDoActivity = ToDoActivity.CreateRandomToDoActivity();
toDoActivity.taskNum = 20;
toDoActivity.id = "minTaskNum";
await this.Container.CreateItemAsync(toDoActivity, new PartitionKey(toDoActivity.status));
toDoActivity.taskNum = 100;
toDoActivity.id = "maxTaskNum";
await this.Container.CreateItemAsync(toDoActivity, new PartitionKey(toDoActivity.status));
int minTaskNum = await linqQueryable.Select(item => item.taskNum).MinAsync();
Assert.AreEqual(20, minTaskNum);
int maxTaskNum = await linqQueryable.Select(item => item.taskNum).MaxAsync();
Assert.AreEqual(100, maxTaskNum);
}
public async Task QueryableExtentionFunctionsTest()
{
//Creating items for query.
IList <ToDoActivity> itemList = await ToDoActivity.CreateRandomItems(container : this.Container, pkCount : 10, perPKItemCount : 1, randomPartitionKey : true);
IOrderedQueryable <ToDoActivity> linqQueryable = this.Container.GetItemLinqQueryable <ToDoActivity>();
int count = await linqQueryable.CountAsync();
Assert.AreEqual(10, count);
Response <int> intSum = await linqQueryable.Select(item => item.taskNum).SumAsync();
Assert.AreEqual(420, intSum.Resource);
Assert.IsTrue(intSum.RequestCharge > 0);
string diagnostics = intSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <int?> intNullableSum = await linqQueryable.Select(item => (int?)item.taskNum).SumAsync();
Assert.AreEqual <int?>(420, intNullableSum);
Assert.IsTrue(intNullableSum.RequestCharge > 0);
diagnostics = intNullableSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <float> floatSum = await linqQueryable.Select(item => (float)item.taskNum).SumAsync();
Assert.AreEqual(420, intSum);
Assert.IsTrue(floatSum.RequestCharge > 0);
diagnostics = floatSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <float?> floatNullableSum = await linqQueryable.Select(item => (float?)item.taskNum).SumAsync();
Assert.AreEqual <float?>(420, intNullableSum);
Assert.IsTrue(intSum.RequestCharge > 0);
diagnostics = intSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <double> doubleSum = await linqQueryable.Select(item => (double)item.taskNum).SumAsync();
Assert.AreEqual(420.0, doubleSum);
Assert.IsTrue(intSum.RequestCharge > 0);
diagnostics = intSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <double?> doubleNullableSum = await linqQueryable.Select(item => (double?)item.taskNum).SumAsync();
Assert.AreEqual <double?>(420.0, doubleNullableSum);
Assert.IsTrue(intSum.RequestCharge > 0);
diagnostics = intSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <long> longSum = await linqQueryable.Select(item => (long)item.taskNum).SumAsync();
Assert.AreEqual <long>(420, longSum);
Assert.IsTrue(intSum.RequestCharge > 0);
diagnostics = intSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <long?> longNullableSum = await linqQueryable.Select(item => (long?)item.taskNum).SumAsync();
Assert.AreEqual <long?>(420, longNullableSum);
Assert.IsTrue(intSum.RequestCharge > 0);
diagnostics = intSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <decimal> decimalSum = await linqQueryable.Select(item => (decimal)item.taskNum).SumAsync();
Assert.AreEqual <decimal>(420, decimalSum);
Assert.IsTrue(intSum.RequestCharge > 0);
diagnostics = intSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <decimal?> decimalNullableSum = await linqQueryable.Select(item => (decimal?)item.taskNum).SumAsync();
Assert.AreEqual <decimal?>(420, decimalNullableSum);
Assert.IsTrue(intSum.RequestCharge > 0);
diagnostics = intSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <double> intToDoubleAvg = await linqQueryable.Select(item => item.taskNum).AverageAsync();
Assert.AreEqual <double>(42, intToDoubleAvg);
Assert.IsTrue(intSum.RequestCharge > 0);
diagnostics = intSum.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <double?> intToDoubleNulableAvg = await linqQueryable.Select(item => (double?)item.taskNum).AverageAsync();
Assert.AreEqual <double?>(42, intToDoubleNulableAvg);
Assert.IsTrue(intToDoubleNulableAvg.RequestCharge > 0);
diagnostics = intToDoubleNulableAvg.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <float> floatAvg = await linqQueryable.Select(item => (float)item.taskNum).AverageAsync();
Assert.AreEqual <float>(42, floatAvg);
Assert.IsTrue(floatAvg.RequestCharge > 0);
diagnostics = floatAvg.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <float?> floatNullableAvg = await linqQueryable.Select(item => (float?)item.taskNum).AverageAsync();
Assert.AreEqual <float?>(42, floatNullableAvg);
Assert.IsTrue(floatNullableAvg.RequestCharge > 0);
diagnostics = floatNullableAvg.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <double> doubleAvg = await linqQueryable.Select(item => (double)item.taskNum).AverageAsync();
Assert.AreEqual <double>(42, doubleAvg);
Assert.IsTrue(doubleAvg.RequestCharge > 0);
diagnostics = doubleAvg.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <double?> doubleNullableAvg = await linqQueryable.Select(item => (double?)item.taskNum).AverageAsync();
Assert.AreEqual <double?>(42, doubleNullableAvg);
Assert.IsTrue(doubleNullableAvg.RequestCharge > 0);
diagnostics = doubleNullableAvg.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <double> longToDoubleAvg = await linqQueryable.Select(item => (long)item.taskNum).AverageAsync();
Assert.AreEqual <double>(42, longToDoubleAvg);
Assert.IsTrue(longToDoubleAvg.RequestCharge > 0);
diagnostics = longToDoubleAvg.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <double?> longToNullableDoubleAvg = await linqQueryable.Select(item => (long?)item.taskNum).AverageAsync();
Assert.AreEqual <double?>(42, longToNullableDoubleAvg);
Assert.IsTrue(longToNullableDoubleAvg.RequestCharge > 0);
diagnostics = longToNullableDoubleAvg.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <decimal> decimalAvg = await linqQueryable.Select(item => (decimal)item.taskNum).AverageAsync();
Assert.AreEqual <decimal>(42, decimalAvg);
Assert.IsTrue(decimalAvg.RequestCharge > 0);
diagnostics = decimalAvg.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
Response <decimal?> decimalNullableAvg = await linqQueryable.Select(item => (decimal?)item.taskNum).AverageAsync();
Assert.AreEqual <decimal?>(42, decimalNullableAvg);
Assert.IsTrue(decimalNullableAvg.RequestCharge > 0);
diagnostics = decimalNullableAvg.Diagnostics.ToString();
Assert.IsTrue(diagnostics.Contains("queryMetrics"));
//Adding more items to test min and max function
ToDoActivity toDoActivity = ToDoActivity.CreateRandomToDoActivity();
toDoActivity.taskNum = 20;
toDoActivity.id = "minTaskNum";
await this.Container.CreateItemAsync(toDoActivity, new PartitionKey(toDoActivity.status));
toDoActivity.taskNum = 100;
toDoActivity.id = "maxTaskNum";
await this.Container.CreateItemAsync(toDoActivity, new PartitionKey(toDoActivity.status));
Response <int> minTaskNum = await linqQueryable.Select(item => item.taskNum).MinAsync();
Assert.AreEqual(20, minTaskNum);
Response <int> maxTaskNum = await linqQueryable.Select(item => item.taskNum).MaxAsync();
Assert.AreEqual(100, maxTaskNum);
}
public async Task <IActionResult> OnGet(Int32?index)
{
Console.WriteLine($"/community/assetBrowser/singleDownload{Request.QueryString}");
BrowseType = Request.Query["browseType"];
FilterView = Request.Query["filterView"];
ShowBigBackground = false;
PageSize = 8;
// parse AppResolution header
var resolution = Request.Headers["AppResolution"].FirstOrDefault();
if (!String.IsNullOrEmpty(resolution))
{
// make sure it's in the right format
var splitResolution = resolution.Split('x');
if (splitResolution.Length == 2)
{
// the official server
// only checks the width,
// so let's do the same here
if (Int32.TryParse(splitResolution[0], out int width))
{
// show big background
// and increase page size
// when the resolution width
// is large enough
if (width >= 1024)
{
ShowBigBackground = true;
PageSize = 15;
}
}
}
}
// parse 'action' query
// and perform action
var requestQuery = Request.Query["action"];
IOrderedQueryable <SporeServerAsset> orderedAssets = null;
if (requestQuery == "SEARCH")
{
orderedAssets = PerformSearch();
}
else if (requestQuery == "BROWSE")
{
orderedAssets = PerformBrowse();
}
// when the action was performed,
// set page information
if (orderedAssets != null)
{
CurrentIndex = index ?? 0;
NextIndex = CurrentIndex + PageSize;
PreviousIndex = CurrentIndex - PageSize;
SearchCount = await orderedAssets
.CountAsync();
Assets = await orderedAssets
.Skip(CurrentIndex)
.Take(PageSize)
.ToArrayAsync();
AssetCount = Assets.Length;
PerformedAction = true;
}
return(Page());
}
