(feature): init

.gitattributes

@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain

.gitignore

@@ -0,0 +1,266 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# DNX
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+#*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+.directory
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+
+**/*docker-compose/LetsEncryptServer/acme
+**/*docker-compose/LetsEncryptServer/cache

src/MaksIT.MongoDB.Linq/Abstractions/BaseCollectionDataProviderBase.cs

@@ -0,0 +1,201 @@
+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
+  }
+}

src/MaksIT.MongoDB.Linq/Abstractions/CollectionDataProviderBase.cs

@@ -0,0 +1,122 @@
+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
+  }
+}

src/MaksIT.MongoDB.Linq/Abstractions/DataProviderBase.cs

@@ -0,0 +1,22 @@
+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);
+      
+    }
+  }
+}

src/MaksIT.MongoDB.Linq/Abstractions/Dto/DtoDocumentBase.cs

@@ -0,0 +1,11 @@
+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; }
+  }
+}

src/MaksIT.MongoDB.Linq/Abstractions/Dto/DtoObjectBase.cs

@@ -0,0 +1,9 @@
+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 { }
+}

src/MaksIT.MongoDB.Linq/MaksIT.MongoDB.Linq.csproj

@@ -0,0 +1,17 @@
+<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>

src/MaksIT.MongoDB.Linq/MongoSession.cs

@@ -0,0 +1,21 @@
+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();
+    }
+  }
+}

src/MaksIT.MongoDB.Linq/MongoSessionManager.cs

@@ -0,0 +1,56 @@
+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);
+      }
+    }
+  }
+}