BuildFeed/BuildFeed.Model/BuildRepository-Year.cs

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C#
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using MongoDB.Bson;
using MongoDB.Driver;
namespace BuildFeed.Model
{
2017-02-24 04:53:49 +08:00
public partial class BuildRepository
{
public async Task<int[]> SelectAllYears(int limit = -1, int skip = 0)
{
IAggregateFluent<BsonDocument> query =
_buildCollection.Aggregate()
.Match(Builders<Build>.Filter.Ne(b => b.BuildTime, null))
.Group(new BsonDocument("_id", new BsonDocument("$year", $"${nameof(Build.BuildTime)}")))
.Sort(new BsonDocument("_id", -1))
.Skip(skip);
if (limit > 0)
{
query = query.Limit(limit);
}
List<BsonDocument> grouping = await query.ToListAsync();
return (from g in grouping
where !g["_id"].IsBsonNull
select g["_id"].AsInt32).ToArray();
}
public async Task<long> SelectAllYearsCount()
{
List<BsonDocument> query = await _buildCollection.Aggregate().Match(Builders<Build>.Filter.Ne(b => b.BuildTime, null)).Group(new BsonDocument("_id", new BsonDocument("$year", $"${nameof(Build.BuildTime)}"))).ToListAsync();
return query.Count;
}
public async Task<List<Build>> SelectYear(int year, int limit = -1, int skip = 0)
{
IFindFluent<Build, Build> query =
_buildCollection.Find(Builders<Build>.Filter.And(Builders<Build>.Filter.Gte(b => b.BuildTime, new DateTime(year, 1, 1, 0, 0, 0, DateTimeKind.Utc)),
Builders<Build>.Filter.Lte(b => b.BuildTime, new DateTime(year, 12, 31, 23, 59, 59, DateTimeKind.Utc)))).Sort(sortByCompileDate).Skip(skip);
if (limit > 0)
{
query = query.Limit(limit);
}
return await query.ToListAsync();
}
public async Task<long> SelectYearCount(int year)
=>
await
_buildCollection.CountAsync(Builders<Build>.Filter.And(Builders<Build>.Filter.Gte(b => b.BuildTime, new DateTime(year, 1, 1, 0, 0, 0, DateTimeKind.Utc)),
Builders<Build>.Filter.Lte(b => b.BuildTime, new DateTime(year, 12, 31, 23, 59, 59, DateTimeKind.Utc))));
}
}