Moved MongoStore into this project from separate nuget

README.md

@@ -42,3 +42,13 @@ limiter.Limit(() =>
 ```c#
 await limiter.LimitAsync(() => Task.CompletedTask);
 ```
+
+## Stores
+### Mongo
+> This example is shown using Autofac since this is the go-to IoC for us.
+```c#
+builder.Register<ISomeLimit>(c =>
+    new AuthorizationLimit(new MongoStore(new MongoUrl(c.Resolve<IConfiguration>().GetConnectionString("MongoConnectionString")), "authorization.calls"),
+        new StandardLimit(300, TimeSpan.FromHours(3)))
+).SingleInstance();
+```

laget.Limiter/Stores/MongoStore.cs

@@ -0,0 +1,88 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+using MongoDB.Driver;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace laget.Limiter.Stores
+{
+    public class Call
+    {
+        [BsonElement("id"), BsonId, BsonIgnoreIfDefault, BsonRepresentation(BsonType.ObjectId)]
+        public string Id { get; set; }
+
+        [BsonElement("createdAt"), BsonDateTimeOptions(Kind = DateTimeKind.Utc)]
+        public DateTime CreatedAt { get; set; } = DateTime.Now;
+
+        [BsonElement("value")]
+        public long Value { get; set; }
+    }
+
+    public class MongoStore : IStore
+    {
+        private readonly IMongoCollection<Call> _store;
+        private readonly TimeSpan _ttl;
+
+        public MongoStore(MongoUrl url)
+            : this(url, TimeSpan.FromHours(1), "calls")
+        {
+        }
+
+        public MongoStore(MongoUrl url, TimeSpan ttl)
+            : this(url, ttl, "calls")
+        {
+        }
+
+        public MongoStore(MongoUrl url, TimeSpan ttl, string collection = "calls")
+        {
+            var client = new MongoClient(url);
+
+            var database = client.GetDatabase(url.DatabaseName, new MongoDatabaseSettings
+            {
+                ReadConcern = ReadConcern.Default,
+                ReadPreference = ReadPreference.SecondaryPreferred,
+                WriteConcern = WriteConcern.Acknowledged
+            });
+
+            _store = database.GetCollection<Call>(collection);
+            _ttl = ttl;
+
+            EnsureIndexes();
+        }
+
+        public void Add(DateTime item)
+        {
+            _store.InsertOne(new Call { Value = item.ToBinary() });
+        }
+
+        public IList<DateTime> Get() => _store.Find(new BsonDocument()).ToList()
+                .Select(x => DateTime.FromBinary(x.Value))
+                .ToList();
+
+        public void Trim(int amount)
+        {
+            var items = Get()
+                .OrderByDescending(x => x)
+                .Take(amount)
+                .Select(x => x.ToBinary())
+                .ToList();
+
+            var builder = Builders<Call>.Filter;
+            var filter = builder.Nin(x => x.Value, items);
+
+            _store.DeleteMany(filter);
+        }
+
+        private void EnsureIndexes()
+        {
+            var builder = Builders<Call>.IndexKeys;
+            var indexes = new List<CreateIndexModel<Call>>
+            {
+                new CreateIndexModel<Call>(builder.Ascending(_ => _.CreatedAt), new CreateIndexOptions { Background = true, ExpireAfter = _ttl }),
+                new CreateIndexModel<Call>(builder.Ascending(_ => _.Value), new CreateIndexOptions { Background = true, Unique = true })
+            };
+            _store.Indexes.CreateMany(indexes);
+        }
+    }
+}

laget.Limiter/laget.Limiter.csproj

@@ -5,4 +5,8 @@
     <NuspecProperties>version=$(Version)</NuspecProperties>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="MongoDB.Driver" Version="2.25.0" />
+  </ItemGroup>
+
 </Project>

laget.Limiter/laget.Limiter.nuspec

@@ -15,10 +15,18 @@
     <readme>assets\README.md</readme>
     <repository type="git" url="https://github.com/laget-se/laget.Limiter" branch="master" />
     <dependencies>
-      <group targetFramework="net8.0"></group>
-      <group targetFramework="net6.0"></group>
-      <group targetFramework="netstandard2.1"></group>
-      <group targetFramework="netstandard2.0"></group>
+      <group targetFramework="net8.0">
+        <dependency id="MongoDb.Driver" version="2.25.0" />
+      </group>
+      <group targetFramework="net6.0">
+        <dependency id="MongoDb.Driver" version="2.25.0" />
+      </group>
+      <group targetFramework="netstandard2.1">
+        <dependency id="MongoDb.Driver" version="2.25.0" />
+      </group>
+      <group targetFramework="netstandard2.0">
+        <dependency id="MongoDb.Driver" version="2.25.0" />
+      </group>
     </dependencies>
   </metadata>
   <files>