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Maksym Sadovnychyy 2024-08-25 04:05:09 +02:00
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src/MaksIT.MongoDB.Linq/Abstractions/BaseCollectionDataProviderBase.cs Normal file
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using System.Linq.Expressions;
using Microsoft.Extensions.Logging;
using MongoDB.Bson.Serialization;
using MongoDB.Driver;
using MaksIT.MongoDBLinq.Abstractions;
using MaksIT.MongoDBLinq.Abstractions.Domain;
using MaksIT.Results;
namespace MaksIT.Vault.Abstractions {
public abstract class BaseCollectionDataProviderBase<T, TDomainDocument> : DataProviderBase<T> where TDomainDocument : DtoDocumentBase {
protected readonly IIdGenerator IdGenerator;
protected readonly IMongoCollection<TDomainDocument> Collection;
protected readonly string _errorMessage = "MaksIT.MongoDB.Linq - Data provider error";
protected BaseCollectionDataProviderBase(
ILogger<T> logger,
IMongoClient client,
IIdGenerator idGenerator,
string databaseName,
string collectionName
) : base(logger, client, databaseName) {
IdGenerator = idGenerator;
if (!Database.ListCollectionNames().ToList().Contains(collectionName))
Database.CreateCollection(collectionName);
Collection = Database.GetCollection<TDomainDocument>(collectionName);
}
#region Insert
protected virtual async Task<Result<Guid?>> InsertAsync(TDomainDocument document, IClientSessionHandle? session) {
try {
if (session != null)
await Collection.InsertOneAsync(session, document);
else
await Collection.InsertOneAsync(document);
return Result<Guid?>.Ok(document.Id);
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result<Guid?>.InternalServerError(null, _errorMessage);
}
}
#endregion
#region InsertMany
protected virtual async Task<Result<List<Guid>?>> InsertManyAsync(List<TDomainDocument> documents, IClientSessionHandle? session) {
try {
if (session != null)
await Collection.InsertManyAsync(session, documents);
else
await Collection.InsertManyAsync(documents);
return Result<List<Guid>?>.Ok(documents.Select(x => x.Id).ToList());
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result<List<Guid>?>.InternalServerError(null, _errorMessage);
}
}
#endregion
#region Get
protected virtual IQueryable<TDomainDocument> GetQuery() => Collection.AsQueryable();
#endregion
#region Update
protected virtual async Task<Result<Guid?>> UpdateWithPredicateAsync(TDomainDocument document, Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) {
try {
if (session != null)
await Collection.ReplaceOneAsync(session, predicate, document);
else
await Collection.ReplaceOneAsync(predicate, document);
return Result<Guid?>.Ok(document.Id);
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result<Guid?>.InternalServerError(null, _errorMessage);
}
}
#endregion
#region UdateMany
protected virtual async Task<Result<List<Guid>?>> UpdateManyWithPredicateAsync(List<TDomainDocument> documents, Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) {
try {
var tasks = new List<Task<ReplaceOneResult>>();
foreach (var document in documents) {
var filter = Builders<TDomainDocument>.Filter.Where(predicate);
var updateOptions = new ReplaceOptions { IsUpsert = false };
if (session != null)
tasks.Add(Collection.ReplaceOneAsync(session, filter, document, updateOptions));
else
tasks.Add(Collection.ReplaceOneAsync(filter, document, updateOptions));
}
await Task.WhenAll(tasks);
var upsertedIds = documents.Select(doc => doc.Id).ToList();
return Result<List<Guid>?>.Ok(upsertedIds);
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result<List<Guid>?>.InternalServerError(null, _errorMessage);
}
}
#endregion
#region Upsert
protected virtual async Task<Result<Guid?>> UpsertWithPredicateAsync(TDomainDocument documents, Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) {
try {
var updateOptions = new ReplaceOptions {
IsUpsert = true
};
if (session != null)
await Collection.ReplaceOneAsync(session, predicate, documents, updateOptions);
else
await Collection.ReplaceOneAsync(predicate, documents, updateOptions);
return Result<Guid?>.Ok(documents.Id);
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result<Guid?>.InternalServerError(null, _errorMessage);
}
}
#endregion
#region UpsertMany
protected virtual async Task<Result<List<Guid>?>> UpsertManyWithPredicateAsync(List<TDomainDocument> documents, Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) {
try {
var tasks = new List<Task<ReplaceOneResult>>();
foreach (var document in documents) {
var filter = Builders<TDomainDocument>.Filter.Where(predicate);
var updateOptions = new ReplaceOptions { IsUpsert = true };
if (session != null)
tasks.Add(Collection.ReplaceOneAsync(session, filter, document, updateOptions));
else
tasks.Add(Collection.ReplaceOneAsync(filter, document, updateOptions));
}
await Task.WhenAll(tasks);
var upsertedIds = documents.Select(doc => doc.Id).ToList();
return Result<List<Guid>?>.Ok(upsertedIds);
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result<List<Guid>?>.InternalServerError(null, _errorMessage);
}
}
#endregion
#region Delete
protected virtual async Task<Result> DeleteWithPredicateAsync(Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) {
try {
if (session != null)
await Collection.DeleteOneAsync(session, predicate);
else
await Collection.DeleteOneAsync(predicate);
return Result.Ok();
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result.InternalServerError(_errorMessage);
}
}
#endregion
#region DeleteMany
protected virtual async Task<Result> DeleteManyWithPredicateAsync(Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) {
try {
if (session != null)
await Collection.DeleteManyAsync(session, predicate);
else
await Collection.DeleteManyAsync(predicate);
return Result.Ok();
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result.InternalServerError(_errorMessage);
}
}
#endregion
}
}

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src/MaksIT.MongoDB.Linq/Abstractions/CollectionDataProviderBase.cs Normal file
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using System.Linq.Expressions;
using Microsoft.Extensions.Logging;
using MongoDB.Driver;
using MongoDB.Bson.Serialization;
using MaksIT.MongoDBLinq.Abstractions.Domain;
using MaksIT.Results;
namespace MaksIT.Vault.Abstractions {
public abstract class CollectionDataProviderBase<T, TDomainDocument> : BaseCollectionDataProviderBase<T, TDomainDocument> where TDomainDocument : DtoDocumentBase {
protected CollectionDataProviderBase(
ILogger<T> logger,
IMongoClient client,
IIdGenerator idGenerator,
string databaseName,
string collectionName
) : base(logger, client, idGenerator, databaseName, collectionName) { }
#region Insert
public Result<Guid?> Insert(TDomainDocument obj, IClientSessionHandle? session) =>
InsertAsync(obj, session).Result;
#endregion
#region InsertMany
public Result<List<Guid>?> InsertMany(List<TDomainDocument> objList, IClientSessionHandle? session) =>
InsertManyAsync(objList, session).Result;
#endregion
#region Count
protected Result<int?> CountWithPredicate(Expression<Func<TDomainDocument, bool>> predicate) =>
CountWithPredicate(new List<Expression<Func<TDomainDocument, bool>>> { predicate });
private protected Result<int?> CountWithPredicate(List<Expression<Func<TDomainDocument, bool>>> predicates) {
try {
var query = GetWithPredicate(predicates);
var result = query.Count();
return Result<int?>.Ok(result);
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result<int?>.InternalServerError(null, _errorMessage);
}
}
#endregion
#region Get
protected Result<List<TResult>?> GetWithPredicate<TResult>(Expression<Func<TDomainDocument, bool>> predicate, Expression<Func<TDomainDocument, TResult>> selector) =>
GetWithPredicate(new List<Expression<Func<TDomainDocument, bool>>> { predicate }, selector, null, null);
protected Result<List<TResult>?> GetWithPredicate<TResult>(Expression<Func<TDomainDocument, bool>> predicate, Expression<Func<TDomainDocument, TResult>> selector, int? skip, int? limit) =>
GetWithPredicate(new List<Expression<Func<TDomainDocument, bool>>> { predicate }, selector, skip, limit);
protected Result<List<TResult>?> GetWithPredicate<TResult>(List<Expression<Func<TDomainDocument, bool>>> predicates, Expression<Func<TDomainDocument, TResult>> selector, int? skip, int? limit) {
try {
var query = GetWithPredicate(predicates).Select(selector);
if (skip != null)
query = query.Skip(skip.Value);
if (limit != null)
query = query.Take(limit.Value);
var result = query.ToList();
return result.Count > 0
? Result<List<TResult>?>.Ok(result)
: Result<List<TResult>?>.NotFound(null);
}
catch (Exception ex) {
Logger.LogError(ex, _errorMessage);
return Result<List<TResult>?>.InternalServerError(null, _errorMessage);
}
}
protected IQueryable<TDomainDocument> GetWithPredicate(List<Expression<Func<TDomainDocument, bool>>> predicates) {
var query = GetQuery();
foreach (var predicate in predicates)
query = query.Where(predicate);
return query;
}
#endregion
#region Update
protected Result<Guid?> UpdateWithPredicate(TDomainDocument obj, Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) =>
UpdateWithPredicateAsync(obj, predicate, session).Result;
#endregion
#region UpdateMany
public Result<List<Guid>?> UpdateManyWithPredicate(Expression<Func<TDomainDocument, bool>> predicate, List<TDomainDocument> objList, IClientSessionHandle? session) =>
UpdateManyWithPredicateAsync(objList, predicate, session).Result;
#endregion
#region Upsert
protected Result<Guid?> UpsertWithPredicate(TDomainDocument obj, Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) =>
UpsertWithPredicateAsync(obj, predicate, session).Result;
#endregion
#region UpsertMany
public Result<List<Guid>?> UpsertManyWithPredicate(List<TDomainDocument> objList, Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) =>
UpsertManyWithPredicateAsync(objList, predicate, session).Result;
#endregion
#region Delete
protected Result DeleteWithPredicate(Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) =>
DeleteWithPredicateAsync(predicate, session).Result;
#endregion
#region DeleteMany
protected Result DeleteManyWithPredicate(Expression<Func<TDomainDocument, bool>> predicate, IClientSessionHandle? session) =>
DeleteManyWithPredicateAsync(predicate, session).Result;
#endregion
}
}

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src/MaksIT.MongoDB.Linq/Abstractions/DataProviderBase.cs Normal file
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using Microsoft.Extensions.Logging;
using MongoDB.Driver;
namespace MaksIT.MongoDBLinq.Abstractions {
public abstract class DataProviderBase<T> {
protected readonly ILogger<T> Logger;
protected readonly IMongoDatabase Database;
private readonly IMongoClient _client;
protected DataProviderBase(
ILogger<T> logger,
IMongoClient client,
string databaseName) {
Logger = logger;
_client = client;
Database = _client.GetDatabase(databaseName);
}
}
}

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src/MaksIT.MongoDB.Linq/Abstractions/Dto/DtoDocumentBase.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace MaksIT.MongoDBLinq.Abstractions.Domain {
public abstract class DtoDocumentBase : DtoObjectBase {
public Guid Id { get; set; }
}
}

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src/MaksIT.MongoDB.Linq/Abstractions/Dto/DtoObjectBase.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace MaksIT.MongoDBLinq.Abstractions.Domain {
public abstract class DtoObjectBase { }
}

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src/MaksIT.MongoDB.Linq/MaksIT.MongoDB.Linq.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="MongoDB.Driver" Version="2.28.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\..\maksit-results\src\MaksIT.Results\MaksIT.Results.csproj" />
</ItemGroup>
</Project>

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src/MaksIT.MongoDB.Linq/MongoSession.cs Normal file
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using MongoDB.Driver;
using System;
namespace MaksIT.MongoDB.Linq {
public class DisposableMongoSession : IDisposable {
private readonly IClientSessionHandle _session;
public DisposableMongoSession(IClientSessionHandle session, string sessionId) {
_session = session;
SessionId = sessionId;
}
public IClientSessionHandle Session => _session;
public string SessionId { get; }
public void Dispose() {
_session?.Dispose();
}
}
}

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src/MaksIT.MongoDB.Linq/MongoSessionManager.cs Normal file
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using MongoDB.Driver;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Concurrent;
using System.Threading.Tasks;
namespace MaksIT.MongoDB.Linq {
public interface IMongoSessionManager {
Task<DisposableMongoSession> GetOrCreateSessionAsync();
void ReleaseSession(DisposableMongoSession session);
}
public class MongoSessionManager : IMongoSessionManager {
private readonly IMongoClient _client;
private readonly ILogger<MongoSessionManager> _logger;
private readonly ConcurrentDictionary<string, DisposableMongoSession> _sessions;
public MongoSessionManager(ILogger<MongoSessionManager> logger, IMongoClient client) {
_logger = logger;
_client = client;
_sessions = new ConcurrentDictionary<string, DisposableMongoSession>();
}
public async Task<DisposableMongoSession> GetOrCreateSessionAsync() {
// Generate a unique session ID
var sessionId = Guid.NewGuid().ToString();
if (_sessions.TryGetValue(sessionId, out var existingSession)) {
_logger.LogInformation("Reusing existing session with ID: {SessionId}", sessionId);
return existingSession;
}
_logger.LogInformation("Creating a new session with ID: {SessionId}", sessionId);
var sessionHandle = await _client.StartSessionAsync();
var newSession = new DisposableMongoSession(sessionHandle, sessionId);
if (_sessions.TryAdd(sessionId, newSession)) {
return newSession;
}
_logger.LogError("Failed to add session with ID: {SessionId}", sessionId);
newSession.Dispose();
throw new InvalidOperationException("Failed to create or retrieve session.");
}
public void ReleaseSession(DisposableMongoSession session) {
if (_sessions.TryRemove(session.SessionId, out var _)) {
_logger.LogInformation("Releasing and disposing session with ID: {SessionId}", session.SessionId);
session.Dispose();
}
else {
_logger.LogWarning("Failed to find session with ID: {SessionId} for release.", session.SessionId);
}
}
}
}