Implementation of index management.CreateTextIndexWithOptionAsync is failing.

CoreIntegrationTests/CoreIntegrationTests.csproj

@@ -9,13 +9,16 @@
     <PackageReference Include="Microsoft.Extensions.Identity.Stores" Version="2.1.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="MongoDB.Driver" Version="2.7.0" />
-    <PackageReference Include="MongoDbGenericRepository" Version="1.3.7" />
     <PackageReference Include="xunit" Version="2.4.0" />
     <PackageReference Include="xunit.runner.console" Version="2.4.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
     <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.0-beta4-build3742" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\MongoDbGenericRepository\MongoDbGenericRepository.csproj" />
+  </ItemGroup>
+
   <ItemGroup>
     <Reference Include="System.Configuration">
       <HintPath>..\..\..\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Configuration.dll</HintPath>

CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.cs

@@ -11,7 +11,7 @@ namespace CoreIntegrationTests.Infrastructure
 {
     public abstract class MongoDbDocumentTestBase<T> :
         IClassFixture<MongoDbTestFixture<T, Guid>>
-        where T: TestDoc, new()
+        where T : TestDoc, new()
     {
 
         private readonly MongoDbTestFixture<T, Guid> _fixture;
@@ -88,7 +88,7 @@ namespace CoreIntegrationTests.Infrastructure
             // Assert
             long count = string.IsNullOrEmpty(PartitionKey) ? SUT.Count<T>(e => e.Id.Equals(document.Id))
                                                             : SUT.Count<T>(e => e.Id.Equals(document.Id), PartitionKey);
-            Assert.True (1 == count, GetTestName());
+            Assert.True(1 == count, GetTestName());
         }
 
         [Fact]
@@ -103,7 +103,7 @@ namespace CoreIntegrationTests.Infrastructure
                                                                                    || e.Id.Equals(documents[1].Id))
                                                             : SUT.Count<T>(e => e.Id.Equals(documents[0].Id)
                                                                                   || e.Id.Equals(documents[1].Id), PartitionKey);
-            Assert.True (2 == count, GetTestName());
+            Assert.True(2 == count, GetTestName());
         }
 
         [Fact]
@@ -114,7 +114,7 @@ namespace CoreIntegrationTests.Infrastructure
             {
                 // Arrange
                 var documents = new List<T> { new T(), new T(), new T(), new T() };
-                if(documents.Any(e => e is IPartitionedDocument))
+                if (documents.Any(e => e is IPartitionedDocument))
                 {
                     var secondPartitionKey = $"{PartitionKey}-2";
                     ((IPartitionedDocument)documents[2]).PartitionKey = secondPartitionKey;
@@ -144,7 +144,7 @@ namespace CoreIntegrationTests.Infrastructure
                                                                                    || e.Id.Equals(documents[1].Id))
                                                             : SUT.Count<T>(e => e.Id.Equals(documents[0].Id)
                                                                                   || e.Id.Equals(documents[1].Id), PartitionKey);
-            Assert.True (2 == count, GetTestName());
+            Assert.True(2 == count, GetTestName());
         }
 
         [Fact]
@@ -235,7 +235,7 @@ namespace CoreIntegrationTests.Infrastructure
             var cursor = SUT.GetCursor<T>(x => x.Id.Equals(document.Id), PartitionKey);
             var count = cursor.Count();
             // Assert
-            Assert.True (1 == count, GetTestName());
+            Assert.True(1 == count, GetTestName());
         }
 
         [Fact]
@@ -490,10 +490,10 @@ namespace CoreIntegrationTests.Infrastructure
             Assert.True(result);
             var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
             Assert.True(null != updatedDocument);
-            Assert.True(childrenToAdd[0].Type== updatedDocument.Children[0].Type, GetTestName());
+            Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
-            Assert.True(childrenToAdd[0].Value== updatedDocument.Children[0].Value, GetTestName());
+            Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
-            Assert.True(childrenToAdd[1].Type== updatedDocument.Children[1].Type, GetTestName());
+            Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
-            Assert.True(childrenToAdd[1].Value== updatedDocument.Children[1].Value, GetTestName());
+            Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
         }
 
         #endregion Update
@@ -509,7 +509,7 @@ namespace CoreIntegrationTests.Infrastructure
             // Act
             var result = SUT.DeleteOne<T>(document);
             // Assert
-            Assert.True (1 == result);
+            Assert.True(1 == result);
             Assert.False(SUT.Any<T>(e => e.Id.Equals(document.Id), PartitionKey), GetTestName());
         }
 
@@ -522,7 +522,7 @@ namespace CoreIntegrationTests.Infrastructure
             // Act
             var result = SUT.DeleteOne<T>(e => e.Id.Equals(document.Id), PartitionKey);
             // Assert
-            Assert.True (1 == result);
+            Assert.True(1 == result);
             Assert.False(SUT.Any<T>(e => e.Id.Equals(document.Id), PartitionKey), GetTestName());
         }
 
@@ -535,7 +535,7 @@ namespace CoreIntegrationTests.Infrastructure
             // Act
             var result = await SUT.DeleteOneAsync<T>(document);
             // Assert
-            Assert.True (1 == result);
+            Assert.True(1 == result);
             Assert.False(SUT.Any<T>(e => e.Id.Equals(document.Id), PartitionKey), GetTestName());
         }
 
@@ -548,7 +548,7 @@ namespace CoreIntegrationTests.Infrastructure
             // Act
             var result = await SUT.DeleteOneAsync<T>(e => e.Id.Equals(document.Id), PartitionKey);
             // Assert
-            Assert.True (1 == result);
+            Assert.True(1 == result);
             Assert.False(SUT.Any<T>(e => e.Id.Equals(document.Id), PartitionKey), GetTestName());
         }
 
@@ -765,7 +765,8 @@ namespace CoreIntegrationTests.Infrastructure
             var criteria = $"{GetTestName()}.{DocumentTypeName}.{Guid.NewGuid()}";
             var documents = CreateTestDocuments(5);
             var i = 1;
-            documents.ForEach(e => {
+            documents.ForEach(e =>
+            {
                 e.Nested.SomeDate = e.Nested.SomeDate.AddDays(i++);
                 e.SomeContent = criteria;
             });
@@ -787,7 +788,8 @@ namespace CoreIntegrationTests.Infrastructure
             var criteria = $"{GetTestName()}.{DocumentTypeName}.{Guid.NewGuid()}";
             var documents = CreateTestDocuments(5);
             var i = 1;
-            documents.ForEach(e => {
+            documents.ForEach(e =>
+            {
                 e.Nested.SomeDate = e.Nested.SomeDate.AddDays(i++);
                 e.SomeContent = criteria;
             });
@@ -809,7 +811,8 @@ namespace CoreIntegrationTests.Infrastructure
             var criteria = $"{GetTestName()}.{DocumentTypeName}.{Guid.NewGuid()}";
             var documents = CreateTestDocuments(5);
             var i = 1;
-            documents.ForEach(e => {
+            documents.ForEach(e =>
+            {
                 e.Nested.SomeDate = e.Nested.SomeDate.AddDays(i++);
                 e.SomeContent = criteria;
             });
@@ -831,7 +834,8 @@ namespace CoreIntegrationTests.Infrastructure
             var criteria = $"{GetTestName()}.{DocumentTypeName}.{Guid.NewGuid()}";
             var documents = CreateTestDocuments(5);
             var i = 1;
-            documents.ForEach(e => {
+            documents.ForEach(e =>
+            {
                 e.Nested.SomeDate = e.Nested.SomeDate.AddDays(i++);
                 e.SomeContent = criteria;
             });
@@ -853,7 +857,8 @@ namespace CoreIntegrationTests.Infrastructure
             var criteria = $"{GetTestName()}.{DocumentTypeName}.{Guid.NewGuid()}";
             var documents = CreateTestDocuments(5);
             var i = 1;
-            documents.ForEach(e => {
+            documents.ForEach(e =>
+            {
                 e.Nested.SomeDate = e.Nested.SomeDate.AddDays(i++);
                 e.SomeContent = criteria;
             });
@@ -875,7 +880,8 @@ namespace CoreIntegrationTests.Infrastructure
             var criteria = $"{GetTestName()}.{DocumentTypeName}.{Guid.NewGuid()}";
             var documents = CreateTestDocuments(5);
             var i = 1;
-            documents.ForEach(e => {
+            documents.ForEach(e =>
+            {
                 e.Nested.SomeDate = e.Nested.SomeDate.AddDays(i++);
                 e.SomeContent = criteria;
             });
@@ -897,7 +903,8 @@ namespace CoreIntegrationTests.Infrastructure
             var criteria = $"{GetTestName()}.{DocumentTypeName}.{Guid.NewGuid()}";
             var documents = CreateTestDocuments(5);
             var i = 1;
-            documents.ForEach(e => {
+            documents.ForEach(e =>
+            {
                 e.Nested.SomeDate = e.Nested.SomeDate.AddDays(i++);
                 e.SomeContent = criteria;
             });
@@ -919,7 +926,8 @@ namespace CoreIntegrationTests.Infrastructure
             var criteria = $"{GetTestName()}.{DocumentTypeName}.{Guid.NewGuid()}";
             var documents = CreateTestDocuments(5);
             var i = 1;
-            documents.ForEach(e => {
+            documents.ForEach(e =>
+            {
                 e.Nested.SomeDate = e.Nested.SomeDate.AddDays(i++);
                 e.SomeContent = criteria;
             });
@@ -936,6 +944,47 @@ namespace CoreIntegrationTests.Infrastructure
 
         #endregion Max / Min Queries
 
+        #region Index Management
+
+        [Fact]
+        public async Task CreateTextIndexNoOptionAsync()
+        {
+            // Arrange 
+            const string expectedIndexName = "SomeContent_text";
+
+            // Act
+            var result = await SUT.CreateTextIndexAsync<T>(x => x.SomeContent, null, PartitionKey);
+
+            // Assert
+            var listOfIndexNames = await SUT.GetIndexesNamesAsync<T>(PartitionKey);
+            Assert.Contains(expectedIndexName, listOfIndexNames);
+
+            // Cleanup 
+            await SUT.DropIndexAsync<T>(expectedIndexName, PartitionKey);
+        }
+
+        [Fact]
+        public async Task CreateTextIndexWithOptionAsync()
+        {
+            // Arrange
+            string expectedIndexName = $"SomeContent_text_{Guid.NewGuid()}";
+            var option = new IndexCreationOptions
+            {
+                Name = expectedIndexName
+            };
+            // Act
+            var result = await SUT.CreateTextIndexAsync<T>(x => x.SomeContent, option, PartitionKey);
+
+            // Assert
+            var listOfIndexNames = await SUT.GetIndexesNamesAsync<T>(PartitionKey);
+            Assert.Contains(expectedIndexName, listOfIndexNames);
+
+            // Cleanup
+            await SUT.DropIndexAsync<T>(expectedIndexName, PartitionKey);
+        }
+
+        #endregion Index Management
+
         #region Test Utils
 
         [MethodImpl(MethodImplOptions.NoInlining)]

MongoDbGenericRepository/Abstractions/IBaseMongoRepository.cs

@@ -12,7 +12,7 @@ namespace MongoDbGenericRepository
     /// <summary>
     /// The IBaseMongoRepository exposes the CRUD functionality of the BaseMongoRepository.
     /// </summary>
-    public interface IBaseMongoRepository : IReadOnlyMongoRepository
+    public interface IBaseMongoRepository : IReadOnlyMongoRepository, IMongoDbCollectionIndexRepository
     {
         #region Create
 

MongoDbGenericRepository/BaseMongoDbRepository.IndexManagement.cs

@@ -0,0 +1,332 @@
+using MongoDB.Driver;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+using MongoDbGenericRepository.Models;
+using System.Linq;
+
+namespace MongoDbGenericRepository
+{
+    /// <summary>
+    /// The repository interface for managing indexes
+    /// </summary>
+    public interface IMongoDbCollectionIndexRepository
+    {
+        /// <summary>
+        /// Create a text index on the given field.
+        /// IndexCreationOptions can be supplied to further specify 
+        /// how the creation should be done.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="field">The field we want to index</param>
+        /// <param name="indexCreationOptions">Options for creating an index..</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>The result of the create index operation.</returns>
+        Task<string> CreateTextIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument;
+
+        /// <summary>
+        /// Create a text index on the given field.
+        /// IndexCreationOptions can be supplied to further specify 
+        /// how the creation should be done.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="field">The field we want to index</param>
+        /// <param name="indexCreationOptions">Options for creating an index..</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>The result of the create index operation.</returns>
+        Task<string> CreateTextIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// Creates an index on the given field in ascending order
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="field">The field we want to index</param>
+        /// <param name="indexCreationOptions">Options for creating an index..</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>The result of the create index operation.</returns>
+        Task<string> CreateAscendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument;
+
+        /// <summary>
+        /// Creates an index on the given field in ascending order
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="field">The field we want to index</param>
+        /// <param name="indexCreationOptions">Options for creating an index..</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>The result of the create index operation.</returns>
+        Task<string> CreateAscendingIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// Creates an index on the given field in descending order
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="field">The field we want to index</param>
+        /// <param name="indexCreationOptions">Options for creating an index..</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>A string containing the result of the operation.</returns>
+        Task<string> CreateDescendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument;
+
+        /// <summary>
+        /// Creates a hashed index on the given field.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="field">The field we want to index</param>
+        /// <param name="indexCreationOptions">Options for creating an index..</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>A string containing the result of the operation.</returns>
+        Task<string> CreateHashedIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument;
+
+        /// <summary>
+        /// Creates a hashed index on the given field.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="field">The field we want to index</param>
+        /// <param name="indexCreationOptions">Options for creating an index..</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>The result of the create index operation.</returns>
+        Task<string> CreateHashedIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// Creates a combined text index
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="fields">The fields we want to index</param>
+        /// <param name="indexCreationOptions">Options for creating an index..</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>The result of the create index operation.</returns>
+        Task<string> CreateCombinedTextIndexAsync<TDocument>(IEnumerable<Expression<Func<TDocument, object>>> fields, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument;
+
+        /// <summary>
+        /// Creates a combined text index
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="fields">The fields we want to index</param>
+        /// <param name="indexCreationOptions">Options for creating an index..</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>The result of the create index operation.</returns>
+        Task<string> CreateCombinedTextIndexAsync<TDocument, TKey>(IEnumerable<Expression<Func<TDocument, object>>> fields, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// Drops the index given a field name
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="indexName">The name of the index</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        Task DropIndexAsync<TDocument>(string indexName, string partitionKey = null)
+            where TDocument : IDocument;
+
+        /// <summary>
+        /// Drops the index given a field name
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="indexName">The name of the index</param>
+        /// <param name="partitionKey">An optional partition key</param>
+        Task DropIndexAsync<TDocument, TKey>(string indexName, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// Returns the names of the indexes present on a collection.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>A list containing the names of the indexes on on the concerned collection.</returns>
+        Task<List<string>> GetIndexesNamesAsync<TDocument>(string partitionKey = null)
+            where TDocument : IDocument;
+
+        /// <summary>
+        /// Returns the names of the indexes present on a collection.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="partitionKey">An optional partition key</param>
+        /// <returns>A list containing the names of the indexes on on the concerned collection.</returns>
+        Task<List<string>> GetIndexesNamesAsync<TDocument, TKey>(string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+    }
+
+    /// <summary>
+    /// The base Repository, it is meant to be inherited from by your custom custom MongoRepository implementation.
+    /// Its constructor must be given a connection string and a database name.
+    /// </summary>
+    public abstract partial class BaseMongoRepository : ReadOnlyMongoRepository, IBaseMongoRepository
+    {
+        #region Index Management
+
+        /// <inheritdoc />
+        public async Task<string> CreateTextIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument
+        {
+            return await CreateTextIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
+        }
+
+        /// <inheritdoc />
+        public async Task<string> CreateTextIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return await HandlePartitioned<TDocument, TKey>(partitionKey).Indexes
+                                                                   .CreateOneAsync(
+                                                                     new CreateIndexModel<TDocument>(
+                                                                     Builders<TDocument>.IndexKeys.Text(field),
+                                                                     indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions)
+                                                                   ));
+        }
+
+        /// <inheritdoc />
+        public async Task<string> CreateAscendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
+        {
+            return await CreateAscendingIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
+        }
+
+        /// <inheritdoc />
+        public async Task<string> CreateAscendingIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
+            var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
+            var indexKey = Builders<TDocument>.IndexKeys;
+            return await collection.Indexes
+                                   .CreateOneAsync(
+                new CreateIndexModel<TDocument>(indexKey.Ascending(field), createOptions));
+        }
+
+        /// <inheritdoc />
+        public async Task<string> CreateDescendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument
+        {
+            return await CreateDescendingIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
+        }
+
+        /// <inheritdoc />
+        public async Task<string> CreateDescendingIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
+            var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
+            var indexKey = Builders<TDocument>.IndexKeys;
+            return await collection.Indexes
+                                   .CreateOneAsync(
+                new CreateIndexModel<TDocument>(indexKey.Descending(field), createOptions));
+        }
+
+        /// <inheritdoc />
+        public async Task<string> CreateHashedIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument
+        {
+            return await CreateHashedIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
+        }
+
+        /// <inheritdoc />
+        public async Task<string> CreateHashedIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
+            var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
+            var indexKey = Builders<TDocument>.IndexKeys;
+            return await collection.Indexes
+                                   .CreateOneAsync(
+                new CreateIndexModel<TDocument>(indexKey.Hashed(field), createOptions));
+        }
+
+        /// <inheritdoc />
+        public async Task<string> CreateCombinedTextIndexAsync<TDocument>(IEnumerable<Expression<Func<TDocument, object>>> fields, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
+        {
+            return await CreateCombinedTextIndexAsync<TDocument, Guid>(fields, indexCreationOptions, partitionKey);
+        }
+
+        /// <inheritdoc />
+        public async Task<string> CreateCombinedTextIndexAsync<TDocument, TKey>(IEnumerable<Expression<Func<TDocument, object>>> fields, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
+            var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
+            var listOfDefs = new List<IndexKeysDefinition<TDocument>>();
+            foreach (var field in fields)
+            {
+                listOfDefs.Add(Builders<TDocument>.IndexKeys.Text(field));
+            }
+            return await collection.Indexes
+                                   .CreateOneAsync(new CreateIndexModel<TDocument>(Builders<TDocument>.IndexKeys.Combine(listOfDefs), createOptions));
+        }
+
+        /// <inheritdoc />
+        public async Task DropIndexAsync<TDocument>(string indexName, string partitionKey = null)
+            where TDocument : IDocument
+        {
+            await DropIndexAsync<TDocument, Guid>(indexName, partitionKey);
+        }
+
+        /// <inheritdoc />
+        public async Task DropIndexAsync<TDocument, TKey>(string indexName, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            await HandlePartitioned<TDocument, TKey>(partitionKey).Indexes.DropOneAsync(indexName);
+        }
+
+        /// <inheritdoc />
+        public async Task<List<string>> GetIndexesNamesAsync<TDocument>(string partitionKey = null)
+            where TDocument : IDocument
+        {
+            return await GetIndexesNamesAsync<TDocument, Guid>(partitionKey);
+        }
+
+        /// <inheritdoc />
+        public async Task<List<string>> GetIndexesNamesAsync<TDocument, TKey>(string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            var indexCursor = await HandlePartitioned<TDocument, TKey>(partitionKey).Indexes.ListAsync();
+            var indexes = await indexCursor.ToListAsync();
+            return indexes.Select(e => e["name"].ToString()).ToList();
+        }
+
+
+        #endregion Index Management
+
+        private CreateIndexOptions MapIndexOptions(IndexCreationOptions indexCreationOptions)
+        {
+            return new CreateIndexOptions
+            {
+                Unique = indexCreationOptions.Unique,
+                TextIndexVersion = indexCreationOptions.TextIndexVersion,
+                SphereIndexVersion = indexCreationOptions.SphereIndexVersion,
+                Sparse = indexCreationOptions.Sparse,
+                Name = indexCreationOptions.Name,
+                Min = indexCreationOptions.Min,
+                Max = indexCreationOptions.Max,
+                LanguageOverride = indexCreationOptions.LanguageOverride,
+                ExpireAfter = indexCreationOptions.ExpireAfter,
+                DefaultLanguage = indexCreationOptions.DefaultLanguage,
+                BucketSize = indexCreationOptions.BucketSize,
+                Bits = indexCreationOptions.Bits,
+                Background = indexCreationOptions.Background,
+                Version = indexCreationOptions.Version
+            };
+        }
+    }
+}

MongoDbGenericRepository/BaseMongoDbRepository.cs

@@ -13,9 +13,8 @@ namespace MongoDbGenericRepository
     /// The base Repository, it is meant to be inherited from by your custom custom MongoRepository implementation.
     /// Its constructor must be given a connection string and a database name.
     /// </summary>
-    public abstract class BaseMongoRepository : ReadOnlyMongoRepository, IBaseMongoRepository
+    public abstract partial class BaseMongoRepository : ReadOnlyMongoRepository, IBaseMongoRepository
     {
-
         /// <summary>
         /// The constructor taking a connection string and a database name.
         /// </summary>
@@ -1081,234 +1080,6 @@ namespace MongoDbGenericRepository
 
         #endregion Find And Update
 
-        #region Index Management
-
-        /// <summary>
-        /// Create an Index given a field and an optional ascending / descending parameter
-        /// we want to create them in the background as we want the db to still be available during this process
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <param name="field">The field we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns>The result of the create index operation.</returns>
-        public async Task<string> CreateTextIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
-            where TDocument : IDocument
-        {
-            return await CreateTextIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
-        }
-
-        /// <summary>
-        /// Create an Index given a field and an optional ascending / descending parameter
-        /// we want to create them in the background as we want the db to still be available during this process
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
-        /// <param name="field">The field we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns>The result of the create index operation.</returns>
-        public async Task<string> CreateTextIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
-            where TDocument : IDocument<TKey>
-            where TKey : IEquatable<TKey>
-        {
-            return await HandlePartitioned<TDocument, TKey>(partitionKey).Indexes
-                                                                   .CreateOneAsync(
-                                                                     new CreateIndexModel<TDocument>(
-                                                                     Builders<TDocument>.IndexKeys.Text(field),
-                                                                     indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions)
-                                                                   ));
-        }
-
-        /// <summary>
-        /// Creates an index on the given field in ascending order
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <param name="field">The field we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns>The result of the create index operation.</returns>
-        public async Task<string> CreateAscendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
-        {
-            return await CreateAscendingIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
-        }
-
-        /// <summary>
-        /// Creates an index on the given field in ascending order
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
-        /// <param name="field">The field we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns>The result of the create index operation.</returns>
-        public async Task<string> CreateAscendingIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) 
-            where TDocument : IDocument<TKey>
-            where TKey : IEquatable<TKey>
-        {
-            var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
-            var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
-            var indexKey = Builders<TDocument>.IndexKeys;
-            return await collection.Indexes
-                                   .CreateOneAsync(
-                new CreateIndexModel<TDocument>(indexKey.Ascending(field), createOptions));
-        }
-
-        /// <summary>
-        /// Creates an index on the given field in ascending order
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <param name="field">The field we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns></returns>
-        public async Task<string> CreateDescendingIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
-        {
-            return await CreateDescendingIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
-        }
-
-        /// <summary>
-        /// Creates an index on the given field in descending order
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
-        /// <param name="field">The field we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns>The result of the create index operation.</returns>
-        public async Task<string> CreateDescendingIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
-            where TDocument : IDocument<TKey>
-            where TKey : IEquatable<TKey>
-        {
-            var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
-            var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
-            var indexKey = Builders<TDocument>.IndexKeys;
-            return await collection.Indexes
-                                   .CreateOneAsync(
-                new CreateIndexModel<TDocument>(indexKey.Descending(field), createOptions));
-        }
-
-        /// <summary>
-        /// Create an Index given a field and an optional ascending / descending parameter
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <param name="field">The field we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns></returns>
-        public async Task<string> CreateHashedIndexAsync<TDocument>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
-        {
-            return await CreateHashedIndexAsync<TDocument, Guid>(field, indexCreationOptions, partitionKey);
-        }
-
-        /// <summary>
-        /// Creates a hashed index on the given field. 
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
-        /// <param name="field">The field we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns>The result of the create index operation.</returns>
-        public async Task<string> CreateHashedIndexAsync<TDocument, TKey>(Expression<Func<TDocument, object>> field, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
-            where TDocument : IDocument<TKey>
-            where TKey : IEquatable<TKey>
-        {
-            var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
-            var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
-            var indexKey = Builders<TDocument>.IndexKeys;
-            return await collection.Indexes
-                                   .CreateOneAsync(
-                new CreateIndexModel<TDocument>(indexKey.Hashed(field), createOptions));
-        }
-
-        /// <summary>
-        /// Creates a combined text index
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <param name="fields">The fields we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns>The result of the create index operation.</returns>
-        public async Task<string> CreateCombinedTextIndexAsync<TDocument>(IEnumerable<Expression<Func<TDocument, object>>> fields, IndexCreationOptions indexCreationOptions = null, string partitionKey = null) where TDocument : IDocument
-        {
-            return await CreateCombinedTextIndexAsync<TDocument, Guid>(fields, indexCreationOptions, partitionKey);
-        }
-
-        /// <summary>
-        /// Creates a combined text index
-        /// </summary>
-        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
-        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
-        /// <param name="fields">The fields we want to index</param>
-        /// <param name="indexCreationOptions">Options for creating an index..</param>
-        /// <param name="partitionKey">An optional partition key</param>
-        /// <returns>The result of the create index operation.</returns>
-        public async Task<string> CreateCombinedTextIndexAsync<TDocument, TKey>(IEnumerable<Expression<Func<TDocument, object>>> fields, IndexCreationOptions indexCreationOptions = null, string partitionKey = null)
-            where TDocument : IDocument<TKey>
-            where TKey : IEquatable<TKey>
-        {
-            var collection = HandlePartitioned<TDocument, TKey>(partitionKey);
-            var createOptions = indexCreationOptions == null ? null : MapIndexOptions(indexCreationOptions);
-            var listOfDefs = new List<IndexKeysDefinition<TDocument>>();
-            foreach (var field in fields)
-            {
-                listOfDefs.Add(Builders<TDocument>.IndexKeys.Text(field));
-            }
-            return await collection.Indexes
-                                   .CreateOneAsync(new CreateIndexModel<TDocument>(Builders<TDocument>.IndexKeys.Combine(listOfDefs), createOptions));
-        }
-
-        /// <summary>
-        /// Drops the index given a field name
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="fieldName"></param>
-        /// <returns></returns>
-        public async Task DropIndexAsync<T>(string fieldName) where T : BaseMongoEntity
-        {
-            var collection = GetCollection<T>();
-            await collection.Indexes.DropOneAsync(fieldName);
-        }
-
-        /// <summary>
-        /// Drops the index given a field name
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <returns></returns>
-        public async Task<List<string>> GetIndexesNamesAsync<TDocument>() where T : BaseMongoEntity
-        {
-            var collection = GetCollection<T>();
-            var indexCursor = await collection.Indexes.ListAsync();
-            var indexes = await indexCursor.ToListAsync();
-            var values = indexes.Select(e => e["name"].ToString()).ToList();
-            return values;
-        }
-
-
-        #endregion Index Management
-
-        private CreateIndexOptions MapIndexOptions(IndexCreationOptions indexCreationOptions)
-        {
-            return new CreateIndexOptions
-            {
-                Unique = indexCreationOptions.Unique,
-                TextIndexVersion = indexCreationOptions.TextIndexVersion,
-                SphereIndexVersion = indexCreationOptions.SphereIndexVersion,
-                Sparse = indexCreationOptions.Sparse,
-                Name = indexCreationOptions.Name,
-                Min = indexCreationOptions.Min,
-                Max = indexCreationOptions.Max,
-                LanguageOverride = indexCreationOptions.LanguageOverride,
-                ExpireAfter = indexCreationOptions.ExpireAfter,
-                DefaultLanguage = indexCreationOptions.DefaultLanguage,
-                BucketSize = indexCreationOptions.BucketSize,
-                Bits = indexCreationOptions.Bits,
-                Background = indexCreationOptions.Background,
-                Version = indexCreationOptions.Version
-            };
-        }
-
         /// <summary>
         /// Sets the value of the document Id if it is not set already.
         /// </summary>