public async Task <List <Movie> > GetMovies(int yearLowerBand, int yearUpperBand)
{
var movies = new List <Movie>();
var projectionBuilder = new ProjectionDefinitionBuilder <Movie>();
var projection = projectionBuilder
.Include(x => x.Awards)
.Include(x => x.Genres)
.Include(x => x.Plot)
.Include(x => x.Rated)
.Include(x => x.Title)
.Include(x => x.Year)
.Exclude("_id");
var filterBuilder = new FilterDefinitionBuilder <Movie>();
var filter = filterBuilder.Gte(x => x.Year, yearLowerBand) & filterBuilder.Lte(x => x.Year, yearUpperBand);
using (IAsyncCursor <Movie> documents = await _database.GetCollection <Movie>("movies")
.FindAsync(filter, new FindOptions <Movie, Movie>
{
Projection = projection
}))
{
while (documents.MoveNext())
{
movies.AddRange(documents.Current);
}
}
return(movies);
}
public async Task <dynamic> GetById(string userId, string songId)
{
var userCollection = MongoWrapper.Database.GetCollection <Models.Musician>(nameof(Models.User));
var songFilterBuilder = new FilterDefinitionBuilder <Models.Song>();
var songFilter = songFilterBuilder.And
(
songFilterBuilder.Eq(s => s._id, new ObjectId(songId)),
GeneralUtils.NotDeactivated(songFilterBuilder)
);
var userFilterBuilder = new FilterDefinitionBuilder <Models.Musician>();
var userFilter = userFilterBuilder.And
(
userFilterBuilder.Eq(u => u._id, new ObjectId(userId)),
GeneralUtils.NotDeactivated(userFilterBuilder)
);
var userProjectionBuilder = new ProjectionDefinitionBuilder <Models.Musician>();
var userProjection = userProjectionBuilder
.ElemMatch(m => m.Songs, songFilter);
var user = (await userCollection.FindAsync(userFilter, new FindOptions <Models.Musician>
{
Limit = 1,
Projection = userProjection,
})).SingleOrDefault();
if (user == null)
{
Response.StatusCode = (int)HttpStatusCode.NotFound;
return(new ResponseBody
{
Code = ResponseCode.NotFound,
Success = false,
Message = "Usuário não encontrado!",
});
}
var song = user.Songs?.SingleOrDefault();
if (song == default)
{
Response.StatusCode = (int)HttpStatusCode.NotFound;
return(new ResponseBody
{
Code = ResponseCode.NotFound,
Success = false,
Message = "Música não encontrada!",
});
}
return(new ResponseBody
{
Code = ResponseCode.GenericSuccess,
Success = true,
Message = "Música encontrada com sucesso!",
Data = ResponseMappingExtensions.BuildSongResponse(song),
});
}
private async Task <Models.User> RetrieveAuthor(Models.Post post)
{
var userCollection = MongoWrapper.Database.GetCollection <Models.User>(nameof(User));
var userFilterBuilder = new FilterDefinitionBuilder <Models.User>();
var userFilter = userFilterBuilder.And
(
userFilterBuilder.Eq(u => u._id, post.Poster._id),
GeneralUtils.NotDeactivated(userFilterBuilder)
);
var userProjectionBuilder = new ProjectionDefinitionBuilder <Models.User>();
var userProjection = userProjectionBuilder
.Include(m => m._id)
.Include(m => m.FullName)
.Include(m => m.Avatar)
.Include(m => m.Phone)
.Include(m => m.StartDate)
.Include(m => m.Email)
.Include(m => m.Address)
.Include("_t");
return((await userCollection.FindAsync(userFilter, new FindOptions <Models.User>
{
Limit = 1,
AllowPartialResults = true,
Projection = userProjection
})).SingleOrDefault());
}
public static async Task <string> GetCustomerEmailAsync(string domain)
{
try
{
if (_server == null)
{
InitiateConnection();
}
var websiteCollection = _kitsuneDB.GetCollection <KitsuneWebsiteCollection>(KLM_Constants.KitsuneWebsiteCollection);
var websiteUserCollection = _kitsuneDB.GetCollection <KitsuneWebsiteUserCollection>(KLM_Constants.KitsuneWebsiteUserCollection);
var project = new ProjectionDefinitionBuilder <KitsuneWebsiteUserCollection>();
domain = domain.Trim(' ').ToUpper();
var websiteId = await websiteCollection.Find(x => x.WebsiteUrl.Equals(domain),
new FindOptions { MaxTime = TimeSpan.FromMilliseconds(KLM_Constants.MongoQueryMaxtimeOut) }).Project(x => x._id).FirstOrDefaultAsync();
if (websiteId != null)
{
var user = await websiteUserCollection.Find(x => x.WebsiteId == websiteId,
new FindOptions { MaxTime = TimeSpan.FromMilliseconds(KLM_Constants.MongoQueryMaxtimeOut) }).FirstOrDefaultAsync();
return(user?.Contact?.Email);
}
}
catch (Exception ex)
{
}
return(null);
}
public async Task <string> FilterMovies(int yearLowerBand, int yearUpperBand)
{
var movies = new List <BsonDocument>();
var projectionBuilder = new ProjectionDefinitionBuilder <BsonDocument>();
var projection = projectionBuilder
.Include("awards")
.Include("genres")
.Include("plot")
.Include("rated")
.Include("title")
.Include("year")
.Exclude("_id");
var filterBuilder = new FilterDefinitionBuilder <BsonDocument>();
var filter = filterBuilder.Gte("year", yearLowerBand) & filterBuilder.Lte("year", yearUpperBand);
using (IAsyncCursor <BsonDocument> documents = await _database.GetCollection <BsonDocument>("movies").FindAsync(filter))
{
while (documents.MoveNext())
{
movies.AddRange(documents.Current);
}
}
return(movies.ToJson());
}
public async Task <T> GetDocumentWithSpecificFieldsAsync(string objectIdString, string[] projectionFields)
{
// TODO:Mohit Use FilterDefinitionBuilder - as the class is created for specific purpose
var filter = new BsonDocument();
filter.Add("_id", objectIdString);
var projBuilder = new ProjectionDefinitionBuilder <T>();
ProjectionDefinition <T>[] projections = new ProjectionDefinition <T> [projectionFields.Length];
for (int i = 0; i < projectionFields.Length; i++)
{
var prof = projBuilder.Include(projectionFields[i]);
projections[i] = prof;
}
var projectionDefinition = projBuilder.Combine(projections);
var resultList = await this.Collection.Find(filter).Project <T>(projectionDefinition).ToListAsync();
//var resultList = await collection.Find(filter).ToListAsync();
if (resultList.Count > 0)
{
return(resultList[0]);
}
else
{
return(null);
}
}
public List <BsonDocument> getSatinfo() //for combox 下拉显示
{
List <BsonDocument> satinfoList = new List <BsonDocument>();
col = MongoDBHelper <SatInfomation> .Init();
//创建约束生成器
FilterDefinitionBuilder <BsonDocument> builder = Builders <BsonDocument> .Filter;
ProjectionDefinitionBuilder <BsonDocument> builderProjection = Builders <BsonDocument> .Projection;
//Exclude 不包含某元素
ProjectionDefinition <BsonDocument> projection = builderProjection.Include("SatName").Exclude("_id");
try
{
satinfoList = col.Find <BsonDocument>(builder.Empty).Project(projection).ToList();
//foreach (var item in result)
//{
// //取出整条值
// Console.WriteLine(item[0]);
//}
}
catch (Exception e)
{
Console.WriteLine("mongodb连接失败" + e.Message); //只是输出终端显示 异常信息
//throw; //这是主动抛出异常 使程序停止
}
return(satinfoList);
}
private int getHighestID()
{
int rval = 0;
rotateCollection();
BsonDocument query = new BsonDocument();
//TODO Refactor the query for 3.0 driver
BsonDocument limits = new BsonDocument("$gt", new BsonDocument("w", workerID));
limits.Add("$lt", new BsonDocument("w", workerID + 1));
query.Add("_id", limits);
var projection = new ProjectionDefinitionBuilder <BsonDocument>()
.Include("_id");
var sort = new SortDefinitionBuilder <BsonDocument>()
.Descending("_id");
BsonDocument myDoc = coll.Find(query)
.Project(projection)
.Sort(sort)
.FirstOrDefault();
if (myDoc != null)
{
BsonDocument id = (BsonDocument)myDoc.GetValue("_id");
rval = id.GetValue("i").AsInt32 + 1;
}
return(rval);
}
public async Task <dynamic> Post([FromBody] PasswordRecoveryRequest requestBody)
{
this.EnsureModelValidation();
var collection = MongoWrapper.Database.GetCollection <Models.User>(nameof(User));
var projectionBuilder = new ProjectionDefinitionBuilder <Models.User>();
var projection = projectionBuilder
.Include(u => u._id)
.Include(u => u.Email)
.Include(u => u.FullName)
.Include("_t");
var filterBuilder = new FilterDefinitionBuilder <Models.User>();
var filter = filterBuilder.And(
filterBuilder.Eq(u => u.Email, requestBody.Email),
GeneralUtils.NotDeactivated(filterBuilder)
);
var user = (await collection.FindAsync(filter, new FindOptions <Models.User>
{
Limit = 1,
Projection = projection,
})).SingleOrDefault();
await EmailUtils.SendPasswordRecoveryEmail(MongoWrapper, SmtpConfiguration, user);
return(new ResponseBody
{
Code = ResponseCode.GenericSuccess,
Data = null,
Message = "Um código foi enviado para o e-mail! Este código permite a redefinição para uma senha gerada automaticamente.",
Success = true,
});
}
public List <T> FindAll <T>(string collectionName)
{
List <T> result = new List <T>();
ProjectionDefinition <T, T> prjection = new ProjectionDefinitionBuilder <T>().Exclude("_id");
result = this._database.GetCollection <T>(collectionName).Find(Builders <T> .Filter.Empty).Project(prjection).ToList();
return(result);
}
/// <summary>
/// 查询数据
/// </summary>
/// <typeparam name="T">类型格式</typeparam>
/// <param name="collectionName">表名称</param>
/// <param name="filter">查询条件</param>
/// <param name="sort">排序条件</param>
/// <param name="skip">开始索引</param>
/// <param name="limit">获取数据条数</param>
/// <returns>List</returns>
public List <T> Find <T>(string collectionName, FilterDefinition <T> filter, SortDefinition <T> sort, int skip = 0, int limit = 50)
{
List <T> result = new List <T>();
ProjectionDefinition <T, T> project = new ProjectionDefinitionBuilder <T>().Exclude("_id");
result = this._database.GetCollection <T>(collectionName).Find(filter).Project(project).Skip(skip).Limit(limit).Sort(sort).ToList();
return(result);
}
private LabMongo()
: base()
{
this.FilterBuiler = Builders<MReport>.Filter;
this.UpdateBuiler = Builders<MReport>.Update;
this.ProjectionBuiler = Builders<MReport>.Projection;
this.LisMDB = MClient.GetDatabase(MongoDBName);
}
public void PipelineDefinitionCanBeBuild()
{
var selectArguments = "id, test.subtest, product.price.tax as tax";
JsonPipelineStageDefinition <BsonDocument, BsonDocument> stage = null;
Assert.That(() => stage = ProjectionDefinitionBuilder.Build <BsonDocument>(selectArguments), Throws.Nothing);
Assert.That(stage, Is.Not.Null);
Assert.That(stage.Json, Is.EqualTo("{ $project : { \"id\" : true, \"test_subtest\" : \"$test.subtest\", \"tax\" : \"$product.price.tax\" } }"));
}
protected virtual ProjectionDefinition <T> CreateProjectionDefinition(
ProjectionParams projection, ProjectionDefinitionBuilder <T> projectionBuilder)
{
projection = projection ?? new ProjectionParams();
return(projectionBuilder.Combine(
projection.Select(field => projectionBuilder.Include(field))
).Exclude(InternalIdFieldName));
}
/// <summary>
/// 查询数据
/// </summary>
/// <typeparam name="T">类型格式</typeparam>
/// <param name="collectionName">表名称</param>
/// <param name="filter">查询条件</param>
/// <param name="project">映射条件</param>
/// <returns>List</returns>
public List <T> Find <T>(string collectionName, FilterDefinition <T> filter)
{
List <T> result = new List <T>();
ProjectionDefinition <T, T> project = new ProjectionDefinitionBuilder <T>().Exclude("_id");
result = this._database.GetCollection <T>(collectionName).Find(filter).ToList();//.Project(project)
return(result);
}
/// <summary>
/// 获得所有子文档
/// 这种方法不能够获得指定条件的所有子文档，要想选出想要的子文档要用聚集操作
/// </summary>
public void QueryChildren()
{
//投影定义创建器：ProjectionDefinitionBuilder
//用ProjectionDefinition过滤子文档
ProjectionDefinitionBuilder <Model2> projBuilder = Builders <Model2> .Projection;
ProjectionDefinition <Model2> proj = projBuilder.ElemMatch(listField => listField.Field2C, childfield => childfield.Field1B == 0);
List <Model2> info = mongoDBService.List <Model2>(collectionName,
m => m.Field2A == "2" && m.Field2B == DateTime.Parse("2018-01-21T16:00:00.000Z"), proj);
}
private IEnumerable <TModel> FindAll(FilterDefinition <TModel> filter, QueryOptions <TModel> options)
{
ProjectionDefinition <TModel> projection = null;
foreach (var field in options.Fields)
{
if (projection == null)
{
projection = new ProjectionDefinitionBuilder <TModel>().Include(field);
}
else
{
projection = projection.Include(field);
}
}
SortDefinition <TModel> sortDefinition = null;
var builder = new SortDefinitionBuilder <TModel>();
if (options.SortAscending != null)
{
sortDefinition = builder.Ascending(options.SortAscending);
}
if (options.SortDescending != null)
{
sortDefinition = builder.Descending(options.SortDescending);
}
IFindFluent <TModel, TModel> result = null;
if (projection == null)
{
result = Collection.Find(filter);
}
else
{
result = Collection.Find(filter).Project <TModel>(projection);
}
if (options.Skip.HasValue)
{
result.Skip(options.Skip.Value);
}
if (options.Take.HasValue)
{
result.Limit(options.Take);
}
if (sortDefinition != null)
{
result.Sort(sortDefinition);
}
return(result.ToEnumerable());
}
public async Task <AvgCost> FindAsync(string customer, string symbol)
{
var projectionDef = new ProjectionDefinitionBuilder <AvgCost>().Exclude(x => x.History);
var findOptions = new FindOptions <AvgCost, AvgCost>()
{
Projection = projectionDef
};
var cursor = await _collection.FindAsync(x => x.Customer == customer && x.Symbol == symbol, findOptions);
return(await cursor.FirstOrDefaultAsync());
}
/// <summary>
/// 内嵌文档分页
/// </summary>
public void SunPageList()
{
//投影定义创建器：ProjectionDefinitionBuilder
//用ProjectionDefinition过滤子文档
ProjectionDefinitionBuilder <Model2> projBuilder = Builders <Model2> .Projection;
//Include :确定要包含哪些字段值（即给哪些字段赋值）
//Slice:获得子文档集合分片，第一个参数field指取出的子文档集合，第二各参数skip指跳过多少个子文档，第三个参数limit取出多少个
ProjectionDefinition <Model2> proj = projBuilder.Include(m => m.Field2C).Slice(m => m.Field2C, 1, 3);
//过滤条件是Field2A=2
Model2 doc = mongoDBService.SubdocumentPageList <Model2>(collectionName, m => m.Field2A == "2", proj);
}
public async Task <UserEntity> Handle(GetUserByIdQuery request, CancellationToken cancellationToken)
{
var projection = new ProjectionDefinitionBuilder <UserEntity>()
.Include(x => x.Id)
.Include(x => x.UserName)
.Include(x => x.FriendlyName);
return(await _userCollection
.Find(x => x.Id == request.Id)
.Project <UserEntity>(projection)
.FirstOrDefaultAsync(cancellationToken));
}
public BaseRepository()
{
string connectionString = ConfigurationManager.AppSettings["mongodb"];
var client = new MongoClient(connectionString);
var database = client.GetDatabase(DbName);
Collection = database.GetCollection <T>(typeof(T).Name);
Filter = new FilterDefinitionBuilder <T>();
Update = new UpdateDefinitionBuilder <T>();
Sort = new SortDefinitionBuilder <T>();
Projection = new ProjectionDefinitionBuilder <T>();
}
public async Task <UserEntity> Handle(GetUserByEmailQuery request, CancellationToken cancellationToken)
{
var projection = new ProjectionDefinitionBuilder <UserEntity>()
.Include(x => x.Id)
.Include(x => x.EmailAddress)
.Include(x => x.Password)
.Include(x => x.UserName)
.Include(x => x.Roles);
return(await _userCollection
.Find(x => x.EmailAddress == request.EmailAddress)
.Project <UserEntity>(projection)
.FirstOrDefaultAsync(cancellationToken));
}
public async Task <dynamic> IncrementById(string userId, string songId)
{
var userCollection = MongoWrapper.Database.GetCollection <Models.Musician>(nameof(Models.User));
var songFilterBuilder = new FilterDefinitionBuilder <Models.Song>();
var songFilter = songFilterBuilder.And
(
songFilterBuilder.Eq(s => s._id, new ObjectId(songId)),
GeneralUtils.NotDeactivated(songFilterBuilder)
);
var userFilterBuilder = new FilterDefinitionBuilder <Models.Musician>();
var userFilter = userFilterBuilder.And
(
userFilterBuilder.Eq(u => u._id, new ObjectId(userId)),
GeneralUtils.NotDeactivated(userFilterBuilder),
userFilterBuilder.ElemMatch(s => s.Songs, songFilter)
);
var userProjectionBuilder = new ProjectionDefinitionBuilder <Models.Musician>();
var userProjection = userProjectionBuilder
.ElemMatch(m => m.Songs, songFilter);
var userUpdateBuilder = new UpdateDefinitionBuilder <Models.Musician>();
var userUpdate = userUpdateBuilder.Inc($"{nameof(Musician.Songs).WithLowercaseFirstCharacter()}.$.{nameof(Models.Song.TimesPlayed).WithLowercaseFirstCharacter()}", 1);
var user = await userCollection.FindOneAndUpdateAsync(userFilter, userUpdate, new FindOneAndUpdateOptions <Models.Musician>
{
Projection = userProjection,
ReturnDocument = ReturnDocument.Before,
});
if (user == null)
{
Response.StatusCode = (int)HttpStatusCode.NotFound;
return(new ResponseBody
{
Code = ResponseCode.NotFound,
Success = false,
Message = "Música não encontrada!",
});
}
return(new ResponseBody
{
Code = ResponseCode.GenericSuccess,
Success = true,
Message = "Contador incrementado com sucesso!",
});
}
private async Task <IEnumerable <MetascoredAdvertisement> > FetchAds(string metaPhrase, GeoJsonPoint <GeoJson3DGeographicCoordinates> position = null)
{
var adProjectionBuilder = new ProjectionDefinitionBuilder <MetascoredAdvertisement>();
var adProjection = adProjectionBuilder
.MetaTextScore(nameof(MetascoredAdvertisement.MetaScore).WithLowercaseFirstCharacter())
.Include(ad => ad._id)
.Include(ad => ad.Title)
.Include(ad => ad.Text)
.Include(ad => ad.Poster)
.Include(ad => ad.FileReferences)
;
return(await FetchEntities(metaPhrase, adProjection, MongoWrapper.Database.GetCollection <MetascoredAdvertisement>(nameof(Models.Advertisement)), 100, 5, position));
}
private BsonDocument simpleKeyQuery()
{
// Key Query
rotateCollection();
BsonDocument query = new BsonDocument();
int range = sequence * testOpts.workingset / 100;
int rest = sequence - range;
int recordno = rest + getNextVal(range);
query.Add("_id",
new BsonDocument("w", workerID).Add("i", recordno));
DateTime starttime = DateTime.Now;
BsonDocument myDoc;
List <String> projFields = new List <String>(testOpts.numFields);
if (testOpts.projectFields == 0)
{
myDoc = coll.Find(query).FirstOrDefault();
}
else
{
int numProjFields = (testOpts.projectFields <= testOpts.numFields) ? testOpts.projectFields : testOpts.numFields;
int i = 0;
while (i < numProjFields)
{
projFields.Add("fld" + i);
i++;
}
var projection = new ProjectionDefinitionBuilder <BsonDocument>();
foreach (var field in projFields)
{
projection.Include(field);
}
myDoc = coll.Find(query)
.Project <BsonDocument>(projection.Combine())
.FirstOrDefault();
}
if (myDoc != null)
{
var taken = (DateTime.Now - starttime).TotalMilliseconds;
if (taken > testOpts.slowThreshold)
{
testResults.RecordSlowOp("keyqueries", 1);
}
testResults.RecordOpsDone("keyqueries", 1);
}
return(myDoc);
}
public static async Task <ProjectDetails> GetProjectDetailsAsync(string projectId, KitsuneRequestUrlType kitsuneRequestUrlType = KitsuneRequestUrlType.PRODUCTION)
{
try
{
if (_server == null)
{
InitiateConnection();
}
var projectionBuilder = new ProjectionDefinitionBuilder <ProductionKitsuneProject>();
var projection = projectionBuilder.Include(x => x.BucketNames)
.Include(x => x.SchemaId)
.Include(x => x.Version)
.Include(x => x.Components)
.Include(x => x.RuntimeOptimization)
.Include(x => x._id)
.Include(x => x.ProjectId)
.Include(x => x.UserEmail)
.Include(x => x.CompilerVersion);
var filter = Builders <ProductionKitsuneProject> .Filter.Eq(document => document.ProjectId, projectId);
var collectionName = KLM_Constants.KitsuneProjectProductionCollection;
if (kitsuneRequestUrlType == KitsuneRequestUrlType.DEMO || kitsuneRequestUrlType == KitsuneRequestUrlType.PREVIEW)
{
collectionName = KLM_Constants.KitsuneProjectCollection;
}
var productionKitsuneProjectsCOllection = _kitsuneDB.GetCollection <ProductionKitsuneProject>(collectionName);
var result = await productionKitsuneProjectsCOllection.Find(filter,
new FindOptions { MaxTime = TimeSpan.FromMilliseconds(KLM_Constants.MongoQueryMaxtimeOut) }).Project <ProductionKitsuneProject>(projection).FirstOrDefaultAsync();
return(new ProjectDetails()
{
BucketNames = result.BucketNames,
SchemaId = result.SchemaId,
Version = result.Version,
Components = result.Components,
DeveloperEmail = result.UserEmail,
RuntimeOptimization = result.RuntimeOptimization,
ProjectId = result.ProjectId,
CompilerVersion = result.CompilerVersion
});
}
catch (Exception ex)
{
}
return(null);
}
private void rangeQuery()
{
// Key Query
rotateCollection();
BsonDocument query = new BsonDocument();
var projection = new ProjectionDefinitionBuilder <BsonDocument>();
int recordno = getNextVal(sequence);
query.Add("_id", new BsonDocument("$gt", new BsonDocument("w",
workerID).Add("i", recordno)));
DateTime starttime = new DateTime();
IAsyncCursor <BsonDocument> cursor;
if (testOpts.projectFields == 0)
{
cursor = coll.Find(query)
.Limit(testOpts.rangeDocs)
.ToCursor();
}
else
{
int numProjFields = (testOpts.projectFields <= testOpts.numFields) ? testOpts.projectFields : testOpts.numFields;
for (int i = 0; i < numProjFields; i++)
{
projection.Include("fld" + i);
}
cursor = coll.Find(query)
.Project <BsonDocument>(projection.Combine())
.Limit(testOpts.rangeDocs)
.ToCursor();
}
while (cursor.MoveNext())
{
var batch = cursor.Current;
foreach (var doc in batch)
{
// Consume the cursor
}
}
cursor.Dispose();
var taken = (DateTime.Now - starttime).TotalMilliseconds;
if (taken > testOpts.slowThreshold)
{
testResults.RecordSlowOp("rangequeries", 1);
}
testResults.RecordOpsDone("rangequeries", 1);
}
private async Task <IEnumerable <MetascoredPost> > FetchPosts(string metaPhrase, GeoJsonPoint <GeoJson3DGeographicCoordinates> position = null)
{
var postProjectionBuilder = new ProjectionDefinitionBuilder <MetascoredPost>();
var postProjection = postProjectionBuilder
.MetaTextScore(nameof(MetascoredPost.MetaScore).WithLowercaseFirstCharacter())
.Include(post => post._id)
.Include(post => post.Title)
.Include(post => post.Text)
.Include(post => post.Poster)
.Include(post => post.Likes)
.Include(post => post.FileReferences)
.Include(post => post.Comments)
;
return(await FetchEntities(metaPhrase, postProjection, MongoWrapper.Database.GetCollection <MetascoredPost>(nameof(Models.Post)), 30, 10, position));
}
public async Task <LicenseEntity> Handle(GetLicenseByIdQuery request, CancellationToken cancellationToken)
{
var filter = new FilterDefinitionBuilder <LicenseEntity>()
.Eq(x => x.Id, request.LicenseId);
var projection = new ProjectionDefinitionBuilder <LicenseEntity>()
.Include(x => x.Id)
.Include(x => x.UserId)
.Include($"{nameof(LicenseEntity.Products)}.{nameof(LicenseProductEntity.Name)}")
.Include($"{nameof(LicenseEntity.Products)}.{nameof(LicenseProductEntity.Expiration)}");
return(await _licenseCollection
.Find(filter)
.Project <LicenseEntity>(projection)
.FirstOrDefaultAsync(cancellationToken));
}
public async Task <List <T> > GetAllDocumentsWithSpecificFieldsAsync(string[] projectionFields)
{
var filter = new BsonDocument();
var projBuilder = new ProjectionDefinitionBuilder <T>();
ProjectionDefinition <T>[] projections = new ProjectionDefinition <T> [projectionFields.Length];
for (int i = 0; i < projectionFields.Length; i++)
{
var prof = projBuilder.Include(projectionFields[i]);
projections[i] = prof;
}
var projectionDefinition = projBuilder.Combine(projections);
var result = await this.Collection.Find(filter).Project <T>(projectionDefinition).ToListAsync();
return(result);
}
public static ProjectionDefinition <T> IncludeAll <T>(this ProjectionDefinitionBuilder <T> projection,
params string[] fields)
{
ProjectionDefinition <T> project = null;
foreach (string columnName in fields)
{
if (project == null)
{
project = Builders <T> .Projection.Include(columnName);
}
else
{
project = project.Include(columnName);
}
}
return(project);
}
