README.md

MinimalMongo

Quickly add the MongoDB C# Driver to a dotnet project with some helpful additions to get started faster.

Usage:

Creating a repository is very easy with MinimalMongo. MinimalMongo will setup your collection for you in a standard, repeatable way so you can focus on your repository code.

using MinimalMongo;
    
public class MyRepo : MinimalMongoRepo<MyEntity>
{
    public MyRepo() : base("collectionName") { }

    public MyEntity FindOne(ObjectId id)
    {
        return _collection
            .Find(e => e.Id == id)
            .FirstOrDefault();
    }
}

Getting started

Installation

Add the Nuget Package.

For ASP.NET:

Install-Package MinimalMongo.AspNetCore

Generic C#:

Install-Package MinimalMongo

First, Configure your mongo database

See below, configuration is different per-environment to conform to conventions of your framework.

Create a Repo

Inherit your repository from MinimalMongoRepo where T is the class of your entity.

using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
using MongoDB.Driver;
using System.Threading.Tasks;
    
public class MyEntity
{
    [BsonId]
    public ObjectId Id { get; set; }
}
public class MyRepo : MinimalMongo.MinimalMongoRepo<MyEntity>
{
    public MyRepo() : base("collectionName") { }

    public async Task<MyEntity> FindOne(ObjectId id)
    {
        return await _collection
            .Find(e => e.Id == id)
            .FirstOrDefaultAsync();
    }
}

Configuration

AspnetCore Configuration

In your Startup.cs setup mongo in the Startup.Configure method using the IApplicationBuilder app parameter:

Set Database Name:

app.MinimalMongoSetDbName("MyDatabase");

Set Connection string:

app.MinimalMongoSetConnString(config.GetConnectionString("myConnString"));

Customize default database settings:

app.MongoQConfigureDbSettings(options =>
{
    options.ReadPreference = ReadPreference.Nearest;
    options.WriteConcern = WriteConcern.WMajority;
    options.ReadConcern = ReadConcern.Majority;
});

Optionally, customize the cluster:

app.MinimalMongoConfigureCluster(options =>
{
    // configure the connection pool
    options.ConfigureConnectionPool(
        (c) => new ConnectionPoolSettings(
            c.MaintenanceInterval,
            c.MaxConnections,
            c.MinConnections,
            c.WaitQueueSize,
            c.WaitQueueTimeout
        ));

    // subscribe to command failed events
    options.Subscribe<MongoDB.Driver.Core.Events.CommandFailedEvent>(e =>
    {
        System.Diagnostics.Debug.WriteLine($"Mongo Event:{e.GetType().Name}");
        System.Diagnostics.Debug.WriteLine($"CMD COMMAND FAILED:{e.CommandName}");
        System.Diagnostics.Debug.WriteLine($"CMD Exception:{e.Failure}");
    });
    // see generated commands in output
    options.Subscribe<MongoDB.Driver.Core.Events.CommandStartedEvent>(e =>
    {
        System.Diagnostics.Debug.WriteLine($"Mongo Event:{e.GetType().Name}");
        System.Diagnostics.Debug.WriteLine("CMD Start:" + e.Command?.ToJson());
        System.Diagnostics.Debug.WriteLine("CMD Name:" + e.CommandName);
    });
});