/// <summary>
/// Appends a $facet stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="facets">The facets.</param>
/// <returns>The fluent aggregate interface.</returns>
public static IAggregateFluent <AggregateFacetResults> Facet <TResult>(
this IAggregateFluent <TResult> aggregate,
IEnumerable <AggregateFacet <TResult> > facets)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
return(aggregate.AppendStage(PipelineStageDefinitionBuilder.Facet(facets)));
}
/// <summary>
/// Appends a $facet stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TNewResult">The type of the new result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="facets">The facets.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <TNewResult> Facet <TResult, TNewResult>(
this IAggregateFluent <TResult> aggregate,
params AggregateFacet <TResult>[] facets)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
return(aggregate.AppendStage(PipelineStageDefinitionBuilder.Facet <TResult, TNewResult>(facets)));
}
/// <summary>
/// Appends a project stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TNewResult">The type of the new result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="projection">The projection.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <TNewResult> Project <TResult, TNewResult>(this IAggregateFluent <TResult> aggregate, Expression <Func <TResult, TNewResult> > projection)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
Ensure.IsNotNull(projection, nameof(projection));
return(aggregate.Project <TNewResult>(new ProjectExpressionProjection <TResult, TNewResult>(projection)));
}
/// <summary>
/// Appends a group stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="group">The group projection.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <BsonDocument> Group <TResult>(this IAggregateFluent <TResult> aggregate, ProjectionDefinition <TResult, BsonDocument> group)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
Ensure.IsNotNull(group, nameof(group));
return(aggregate.Group <BsonDocument>(group));
}
/// <summary>
/// Appends a project stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="projection">The projection.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <BsonDocument> Project <TResult>(this IAggregateFluent <TResult> aggregate, ProjectionDefinition <TResult, BsonDocument> projection)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
Ensure.IsNotNull(projection, nameof(projection));
return(aggregate.Project <BsonDocument>(projection));
}
public static async Task <PagedList <T> > Create(IAggregateFluent <T> source, int pageIndex, int pageSize)
{
var pagelist = new PagedList <T>();
await pagelist.InitializeAsync(source, pageIndex, pageSize);
return(pagelist);
}
/// <summary>
/// Appends an unwind stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="field">The field to unwind.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <BsonDocument> Unwind <TResult>(this IAggregateFluent <TResult> aggregate, Expression <Func <TResult, object> > field)
{
Ensure.IsNotNull(aggregate, "aggregate");
Ensure.IsNotNull(field, "field");
return(aggregate.Unwind <BsonDocument>(new ExpressionFieldDefinition <TResult>(field)));
}
public static IAggregateFluent <TNewResult> Unwind <TResult, TNewResult>(this IAggregateFluent <TResult> aggregate, Expression <Func <TResult, object> > field, IBsonSerializer <TNewResult> newResultSerializer)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
return(aggregate.AppendStage(PipelineStageDefinitionBuilder.Unwind(field, new AggregateUnwindOptions <TNewResult> {
ResultSerializer = newResultSerializer
})));
}
protected override IAggregateFluent <EmployeeView> ConvertToViewAggreagate(IAggregateFluent <Employee> mappings, IExpressionContext <Employee, EmployeeView> context)
{
var afState = @"{
""$addFields"": {
""has_user"": { ""$cond"": [{ ""$ne"": [ ""$user"", undefined ] }, true, false ] },
""username"": ""$user.username"",
""uermission"": ""$user.uermission""
}
}";
var pjState = @"{
""User"": 0
}";
var unwind = new AggregateUnwindOptions <BsonDocument> {
PreserveNullAndEmptyArrays = true
};
// TODO: Mapping them JobPosition + Department + JobTitle
return(mappings
.Lookup("user", "user_code", "code", "user").Unwind("user", unwind)
.Lookup("job_position", "job_position_code", "code", "job_position").Unwind("job_position", unwind)
.Lookup("department", "job_position.department_code", "code", "department").Unwind("department", unwind)
.Lookup("job_title", "job_position.job_title_code", "code", "job_title").Unwind("job_title", unwind)
.AppendStage <BsonDocument>(BsonDocument.Parse(afState))
.Project(BsonDocument.Parse(pjState))
.As <EmployeeView>().Match(context.GetPostExpression()));
}
/// <summary>
/// Appends an unwind stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="field">The field to unwind.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <BsonDocument> Unwind <TResult>(this IAggregateFluent <TResult> aggregate, FieldDefinition <TResult> field)
{
Ensure.IsNotNull(aggregate, "aggregate");
Ensure.IsNotNull(field, "field");
return(aggregate.Unwind <BsonDocument>(field));
}
/// <summary>
/// Appends a $setWindowFields to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TWindowFields">The type of the added window fields.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="output">The window fields expression.</param>
/// <returns>The fluent aggregate interface.</returns>
public static IAggregateFluent <BsonDocument> SetWindowFields <TResult, TWindowFields>(
this IAggregateFluent <TResult> aggregate,
Expression <Func <ISetWindowFieldsPartition <TResult>, TWindowFields> > output)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
return(aggregate.AppendStage(PipelineStageDefinitionBuilder.SetWindowFields(output)));
}
//explain
public static Task <BsonDocument> ExplainAggregation <TDocument, TResult>(
this IMongoCollection <TDocument> collection,
IAggregateFluent <TResult> aggregation, ExplainVerbosity verbosity)
{
IBsonSerializerRegistry serializerRegistry = collection.Settings.SerializerRegistry;
IBsonSerializer <TDocument> serializer = serializerRegistry.GetSerializer <TDocument>();
MessageEncoderSettings encoderSettings = collection.GetMessageEncoderSettings();
var pipeline = new PipelineStagePipelineDefinition <TDocument, TResult>(aggregation.Stages);
var renderedDefinition = pipeline.Render(serializer, serializerRegistry);
var explainOperation = new AggregateOperation <TResult>(
collection.CollectionNamespace,
renderedDefinition.Documents,
renderedDefinition.OutputSerializer,
encoderSettings)
.ToExplainOperation(verbosity);
ICluster cluster = GetCluster(collection);
ICoreSessionHandle session = NoCoreSession.NewHandle();
using (IReadBinding binding = new ReadPreferenceBinding(cluster, collection.Settings.ReadPreference, session))
{
var cancelToken = new CancellationToken();
return(explainOperation.ExecuteAsync(binding, cancelToken));
}
}
/// <summary>
/// Restituisce la posizione dei mezzi per i quali c'è un messaggio di posizione giunto
/// nelle ultime 24 ore.
/// </summary>
/// <param name="classiMezzo"></param>
/// <returns></returns>
public IEnumerable<MessaggioPosizione> Get(string[] classiMezzo)
{
IAggregateFluent<MessaggioPosizione_DTO> query = this.messaggiPosizione.Aggregate<MessaggioPosizione_DTO>()
.SortBy(m => m.CodiceMezzo)
.ThenByDescending(m => m.IstanteAcquisizione);
if (classiMezzo != null && classiMezzo.Length > 0)
{
var filter = Builders<MessaggioPosizione_DTO>
.Filter
.AnyIn(m => m.ClassiMezzo, classiMezzo);
query = query
.Match(filter);
}
var query2 = query
.Match(m => m.IstanteAcquisizione > DateTime.Now.AddHours(-24))
.Group(BsonDocument.Parse(@"{ _id: '$codiceMezzo', messaggio: { $first: '$$ROOT' } }"))
.ReplaceRoot<MessaggioPosizione_DTO>("$messaggio");
var resultSet = query2
.ToEnumerable()
.Select(dto => dto.ConvertToDomain());
return resultSet;
}
private OverviewDetails LoadCashOverview()
{
OverviewDetails details = new OverviewDetails();
IAggregateFluent <HandHistory> cashGameHands =
handCollection.Aggregate().Match(h => h.GameDescription.PokerFormat == PokerFormat.CashGame &&
h.GameDescription.Limit.Currency != Currency.PlayMoney);
IAggregateFluent <UnwoundHand> actions = cashGameHands
.Unwind <HandHistory, UnwoundHand>(h => h.HandActions)
.Match(h => PlayerNames.Contains(h.HandActions.PlayerName));
if (!cashGameHands.Any())
{
return(details); // Return empty result set if there are no hands available
}
details.Hands = cashGameHands.Count().First().Count;
foreach (var profit in actions.Group(h => h.HandId, h => new { sum = h.Sum(h2 => h2.HandActions.Amount * h2.GameDescription.Limit.BigBlind) }).ToEnumerable())
{
if (profit.sum > 0)
{
details.Winnings += profit.sum;
}
else
{
details.Losses += profit.sum;
}
}
return(details);
}
/// <summary>
/// Appends an unwind stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TNewResult">The type of the new result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="field">The field to unwind.</param>
/// <param name="newResultSerializer">The new result serializer.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <TNewResult> Unwind <TResult, TNewResult>(this IAggregateFluent <TResult> aggregate, Expression <Func <TResult, object> > field, IBsonSerializer <TNewResult> newResultSerializer = null)
{
Ensure.IsNotNull(aggregate, "aggregate");
Ensure.IsNotNull(field, "field");
return(aggregate.Unwind <TNewResult>(new ExpressionFieldDefinition <TResult>(field), newResultSerializer));
}
/// <summary>
/// Appends a sortByCount stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="id">The id.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <AggregateSortByCountResult <TKey> > SortByCount <TResult, TKey>(
this IAggregateFluent <TResult> aggregate,
Expression <Func <TResult, TKey> > id)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
return(aggregate.AppendStage(PipelineStageDefinitionBuilder.SortByCount(id)));
}
protected override IAggregateFluent <EmployeeView> ConvertToViewAggreagate(IAggregateFluent <Employee> mappings, IExpressionContext <Employee, EmployeeView> context)
{
var afState = @"{
""$addFields"": {
""has_user"": { ""$cond"": [ { ""$ne"": [""$user"", undefined ] }, true, false ] },
""username"": ""$user.username"",
""permission"": { ""$cond"": [ { ""$ne"": [""$user.permission"", undefined ] }, ""$user.permission"", 0 ] }
}
}";
var pjState = @"{
""user"": 0
}";
var unwind = new AggregateUnwindOptions <BsonDocument> {
PreserveNullAndEmptyArrays = true
};
return(mappings
.Lookup("user", "_id", "code", "user").Unwind("user", unwind)
.Lookup("facutly", "facutly_code", "_id", "facutly").Unwind("facutly", unwind)
.Lookup("level", "level_code", "_id", "level").Unwind("level", unwind)
.Lookup("major", "major_code", "_id", "major").Unwind("major", unwind)
.AppendStage <BsonDocument>(BsonDocument.Parse(afState))
.Project(BsonDocument.Parse(pjState))
.As <EmployeeView>()
.Match(context.GetPostExpression()));
}
/// <summary>
/// Appends a match stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="filter">The filter.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <TResult> Match <TResult>(this IAggregateFluent <TResult> aggregate, Expression <Func <TResult, bool> > filter)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
Ensure.IsNotNull(filter, nameof(filter));
return(aggregate.Match(new ExpressionFilterDefinition <TResult>(filter)));
}
/// <summary>
/// Appends a $replaceWith stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TNewResult">The type of the new result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="newRoot">The new root.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <TNewResult> ReplaceWith <TResult, TNewResult>(
this IAggregateFluent <TResult> aggregate,
Expression <Func <TResult, TNewResult> > newRoot)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
return(aggregate.AppendStage(PipelineStageDefinitionBuilder.ReplaceWith(newRoot)));
}
private void setupTournamentHands(TreeNode parentNode, PokerFormat format)
{
DatabaseHandler databaseHandler = DatabaseHandler.getInstance();
IAggregateFluent <TournamentSummary> tournaments = databaseHandler.GetAllTournaments()
.Aggregate().Match(Builders <TournamentSummary> .Filter.Where(h => h.SitAndGo == (format == PokerFormat.SitAndGo)));
IAggregateFluent <HandHistory> allHands = databaseHandler.GetAllHands().Aggregate()
.Match(Builders <HandHistory> .Filter.Where(h => h.GameDescription.PokerFormat == format));
IEnumerable <AggregateResult <Buyin> > allBuyins =
tournaments.Group(h => h.Buyin, h => new AggregateResult <Buyin> {
result = h.Key
})
.Sort(Builders <AggregateResult <Buyin> > .Sort.Ascending(b => b.result))
.ToEnumerable();
decimal lastBuyin = -0.01m;
foreach (dynamic buyinObj in allBuyins)
{
Buyin buyin = buyinObj.result;
if (buyin.Total == lastBuyin)
{
continue;
}
lastBuyin = buyin.Total;
IAggregateFluent <HandHistory> hands =
allHands.Match(Builders <HandHistory> .Filter.Where(h => h.GameDescription.TournamentSummary.Buyin.Total == buyin.Total));
GroupHandTreeNode buyinNode =
new GroupHandTreeNode(string.Format("{0}{1} {2}", buyin.GetCurrencySymbol(),
buyin.Total,
HandCount(hands)),
hands);
dynamic allIds = hands.Group(h => h.GameDescription.TournamentId, h => new { name = h.Key }).ToEnumerable();
foreach (dynamic idObj in allIds)
{
string id = idObj.name;
if (!string.IsNullOrWhiteSpace(id))
{
IEnumerable <TournamentSummary> summaries = tournaments.Match(t => t.Id == id).ToEnumerable();
if (summaries.Count() > 0)
{
TournamentSummary summary = summaries.First();
IAggregateFluent <HandHistory> tournyHands =
allHands.Match(Builders <HandHistory> .Filter.Where(h => h.GameDescription.TournamentId == summary.Id));
buyinNode.Nodes.Add(new HandsTreeNode(summary.ToString(), tournyHands));
}
}
}
if (buyinNode.Nodes.Count > 0)
{
parentNode.Nodes.Add(buyinNode);
}
}
}
/// <summary>
/// Creates an aggregate hook to lookup some fields before population
/// </summary>
/// <param name="aggregate">The aggregate to add the stages to</param>
/// <param name="t">The type to reference</param>
/// <param name="settings">The settings. Please leave empty, used in recursion</param>
private void BuildAggregateHook(ref IAggregateFluent <BsonDocument> aggregate, Type t, AggregateSettings settings = null)
{
settings ??= new AggregateSettings();
foreach (var prop in t.GetProperties())
{
Log("[AGG] Property " + settings.GetPath(prop.Name));
foreach (var attr in prop.GetCustomAttributes())
{
//If reference attribute, add a lookup for it
if (attr is ReferenceAttribute refAttr)
{
if (_populates.TryGetValue(settings.GetPath(prop.Name), out var isEnabled))
{
refAttr.Enabled = isEnabled;
}
if (!refAttr.Enabled)
{
break;
}
Log("[AggR] Enabled reference found");
var localField = settings.GetPath(refAttr.LocalField);
var targetField = settings.GetPath(prop.Name);
aggregate = aggregate.Lookup(refAttr.RefCollection, localField, refAttr.RefField, targetField);
if (!prop.PropertyType.IsCollection(out _))
{
aggregate = aggregate.Unwind(targetField);
}
}
//If embed, create aggregate for it
if (attr is EmbedAttribute)
{
if (!settings.DoNest)
{
return;
}
bool isCollection = prop.PropertyType.IsCollection(out Type elementType);
//If collection, add $unwind
if (isCollection)
{
aggregate = aggregate.Unwind(settings.GetPath(prop.Name));
}
//Call build aggregate hook
BuildAggregateHook(ref aggregate, elementType, new AggregateSettings {
Path = settings.GetPath(prop.Name) + ".", DoNest = false, ParentType = t, IsCollection = isCollection
});
AddGroupHook(settings.GetPath(prop.Name), t, ref aggregate);
}
}
}
}
public Task Run()
{
IAggregateFluent <FailChar> query = null;
if (failCode.HasValue)
{
query = failCharSet.Where(w => w.FailCode == failCode.Value);
}
else
{
query = failCharSet.Aggregate();
}
return(query.ForEachAsync(async f =>
{
try
{
using (var httpClient = new HttpClient())
{
httpClient.MaxResponseContentBufferSize = 256000;
httpClient.DefaultRequestHeaders.Add("user-agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36");
ChineseChar chineseChar = await CrawlerWorkItem.GetOneChinese(httpClient, uri, f.Unicode, len1, len2);
if (chineseChar == null)
{
CrawlerWorkItem.PrintFail(0, f.Unicode, f.Text);
CrawlerWorkItem.AddFailChar(failCharSet, 0, f.Unicode, f.Text, "");
return;
}
if (chineseCharSet.Any(a => a.Unicode == f.Unicode) == false)
{
chineseCharSet.Add(chineseChar);
}
failCharSet.Remove(f.Id);
Console.WriteLine($"已成功修复 Unicode：{f.Unicode} 内容：{f.Text}");
}
}
catch (Exception ex)
{
CrawlerWorkItem.PrintFail(1, f.Unicode, f.Text);
CrawlerWorkItem.AddFailChar(failCharSet, 1, f.Unicode, f.Text, ex.Message);
}
finally
{
await Task.Delay(200);
}
}).ContinueWith(t =>
{
var foregroundColor = ConsoleColor.White;
if (t.IsCompletedSuccessfully == false)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(t.Exception.ToString());
Console.ForegroundColor = foregroundColor;
}
t.Dispose();
}));
}
public FilteredTreeNode(string title, IAggregateFluent <HandHistory> pipeline) : base(title)
{
Filter = new List <BsonDocument>();
foreach (IPipelineStageDefinition stage in pipeline.Stages)
{
Filter.Add(stage.ToBsonDocument());
}
}
/// <summary>
/// Appends a descending sort stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="field">The field to sort by.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IOrderedAggregateFluent <TResult> SortByDescending <TResult>(this IAggregateFluent <TResult> aggregate, Expression <Func <TResult, object> > field)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
Ensure.IsNotNull(field, nameof(field));
var sort = Builders <TResult> .Sort.Descending(field);
return((IOrderedAggregateFluent <TResult>)aggregate.AppendStage(PipelineStageDefinitionBuilder.Sort(sort)));
}
/// <summary>
/// Appends a descending sort stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="field">The field to sort by.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IOrderedAggregateFluent <TResult> SortByDescending <TResult>(this IAggregateFluent <TResult> aggregate, Expression <Func <TResult, object> > field)
{
Ensure.IsNotNull(aggregate, "aggregate");
Ensure.IsNotNull(field, "field");
return((IOrderedAggregateFluent <TResult>)aggregate.Sort(
new DirectionalSortDefinition <TResult>(new ExpressionFieldDefinition <TResult>(field), SortDirection.Descending)));
}
public async Task <long> SelectAllLabsCount()
{
IAggregateFluent <BsonDocument> query = _buildCollection.Aggregate().Group(new BsonDocument("_id", new BsonDocument(nameof(Build.Lab), $"${nameof(Build.Lab)}"))).Sort(new BsonDocument("_id", 1));
List <BsonDocument> grouping = await query.ToListAsync();
return(grouping.Count);
}
private string HandCount(IAggregateFluent <HandHistory> hands)
{
/*
* IEnumerable<AggregateCountResult> countResult = hands.Count().ToEnumerable();
* long count = countResult.Count() > 0 ? countResult.First().Count : 0;
* return string.Format("({0} hands)", count);
*/
return("");
}
/// <summary>
/// Appends a $bucketAuto stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="groupBy">The expression providing the value to group by.</param>
/// <param name="buckets">The number of buckets.</param>
/// <param name="options">The options (optional).</param>
/// <returns>The fluent aggregate interface.</returns>
public static IAggregateFluent <AggregateBucketAutoResult <TValue> > BucketAuto <TResult, TValue>(
this IAggregateFluent <TResult> aggregate,
Expression <Func <TResult, TValue> > groupBy,
int buckets,
AggregateBucketAutoOptions options = null)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
return(aggregate.AppendStage(PipelineStageDefinitionBuilder.BucketAuto(groupBy, buckets, options)));
}
/// <summary>
/// Appends a $bucket stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="groupBy">The expression providing the value to group by.</param>
/// <param name="boundaries">The bucket boundaries.</param>
/// <param name="options">The options.</param>
/// <returns>The fluent aggregate interface.</returns>
public static IAggregateFluent <AggregateBucketResult <TValue> > Bucket <TResult, TValue>(
this IAggregateFluent <TResult> aggregate,
Expression <Func <TResult, TValue> > groupBy,
IEnumerable <TValue> boundaries,
AggregateBucketOptions <TValue> options = null)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
return(aggregate.AppendStage(PipelineStageDefinitionBuilder.Bucket(groupBy, boundaries, options)));
}
/// <summary>
/// Appends an unwind stage to the pipeline.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="TNewResult">The type of the new result.</typeparam>
/// <param name="aggregate">The aggregate.</param>
/// <param name="field">The field to unwind.</param>
/// <param name="options">The options.</param>
/// <returns>
/// The fluent aggregate interface.
/// </returns>
public static IAggregateFluent <TNewResult> Unwind <TResult, TNewResult>(this IAggregateFluent <TResult> aggregate, Expression <Func <TResult, object> > field, AggregateUnwindOptions <TNewResult> options = null)
{
Ensure.IsNotNull(aggregate, nameof(aggregate));
Ensure.IsNotNull(field, nameof(field));
return(aggregate.Unwind(
new ExpressionFieldDefinition <TResult>(field),
options));
}