reorg + inheritance setup, using interface segregation to split concern / exposure of <TDocument,TKey> methods.
This commit is contained in:
Alexandre SPIESER
@@ -0,0 +1,843 @@
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using MongoDB.Driver;
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using MongoDB.Driver.Linq;
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using MongoDbGenericRepository.Models;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Threading.Tasks;
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namespace MongoDbGenericRepository
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{
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public interface IBaseReadOnlyRepository
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{
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/// <summary>
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/// The connection string.
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/// </summary>
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string ConnectionString { get; }
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/// <summary>
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/// The database name.
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/// </summary>
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string DatabaseName { get; }
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#region Read TKey
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/// <summary>
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/// Asynchronously returns one document given its id.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="id">The Id of the document you want to get.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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Task<TDocument> GetByIdAsync<TDocument, TKey>(TKey id, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Returns one document given its id.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="id">The Id of the document you want to get.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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TDocument GetById<TDocument, TKey>(TKey id, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Asynchronously returns one document given an expression filter.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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Task<TDocument> GetOneAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Returns one document given an expression filter.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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TDocument GetOne<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Returns a collection cursor.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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IFindFluent<TDocument, TDocument> GetCursor<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Returns true if any of the document of the collection matches the filter condition.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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Task<bool> AnyAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Returns true if any of the document of the collection matches the filter condition.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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bool Any<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Asynchronously returns a list of the documents matching the filter condition.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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Task<List<TDocument>> GetAllAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Returns a list of the documents matching the filter condition.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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List<TDocument> GetAll<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Asynchronously counts how many documents match the filter condition.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="partitionKey">An optional partitionKey</param>
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Task<long> CountAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Counts how many documents match the filter condition.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="partitionKey">An optional partitionKey</param>
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long Count<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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#endregion
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#region Min / Max
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/// <summary>
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/// Gets the document with the maximum value of a specified property in a MongoDB collections that is satisfying the filter.
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/// </summary>
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/// <typeparam name="TDocument">The document type.</typeparam>
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/// <typeparam name="TKey">The type of the primary key.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="orderByAscending">A property selector to order by descending.</param>
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/// <param name="partitionKey">An optional partitionKey.</param>
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Task<TDocument> GetByMaxAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, object>> orderByDescending, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Gets the document with the maximum value of a specified property in a MongoDB collections that is satisfying the filter.
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/// </summary>
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/// <typeparam name="TDocument">The document type.</typeparam>
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/// <typeparam name="TKey">The type of the primary key.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="orderByAscending">A property selector to order by descending.</param>
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/// <param name="partitionKey">An optional partitionKey.</param>
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TDocument GetByMax<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, object>> orderByDescending, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Gets the document with the minimum value of a specified property in a MongoDB collections that is satisfying the filter.
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/// </summary>
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/// <typeparam name="TDocument">The document type.</typeparam>
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/// <typeparam name="TKey">The type of the primary key.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="orderByAscending">A property selector to order by ascending.</param>
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/// <param name="partitionKey">An optional partitionKey.</param>
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Task<TDocument> GetByMinAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, object>> orderByAscending, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Gets the document with the minimum value of a specified property in a MongoDB collections that is satisfying the filter.
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/// </summary>
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/// <typeparam name="TDocument">The document type.</typeparam>
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/// <typeparam name="TKey">The type of the primary key.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="orderByAscending">A property selector to order by ascending.</param>
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/// <param name="partitionKey">An optional partitionKey.</param>
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TDocument GetByMin<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, object>> orderByAscending, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Gets the maximum value of a property in a mongodb collections that is satisfying the filter.
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/// </summary>
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/// <typeparam name="TDocument">The document type.</typeparam>
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/// <typeparam name="TKey">The type of the primary key.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="orderByAscending">A property selector to order by ascending.</param>
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/// <param name="partitionKey">An optional partitionKey.</param>
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Task<TValue> GetMaxValueAsync<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> maxValueSelector, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Gets the maximum value of a property in a mongodb collections that is satisfying the filter.
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/// </summary>
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/// <typeparam name="TDocument">The document type.</typeparam>
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/// <typeparam name="TKey">The type of the primary key.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="orderByAscending">A property selector to order by ascending.</param>
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/// <param name="partitionKey">An optional partitionKey.</param>
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TValue GetMaxValue<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> orderByDescending, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Gets the minimum value of a property in a mongodb collections that is satisfying the filter.
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/// </summary>
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/// <typeparam name="TDocument">The document type.</typeparam>
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/// <typeparam name="TKey">The type of the primary key.</typeparam>
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/// <typeparam name="TValue">The type of the value used to order the query.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="minValueSelector">A property selector to order by ascending.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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Task<TValue> GetMinValueAsync<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> minValueSelector, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Gets the minimum value of a property in a mongodb collections that is satisfying the filter.
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/// </summary>
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/// <typeparam name="TDocument">The document type.</typeparam>
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/// <typeparam name="TKey">The type of the primary key.</typeparam>
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/// <typeparam name="TValue">The type of the value used to order the query.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="minValueSelector">A property selector to order by ascending.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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TValue GetMinValue<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> minValueSelector, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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#endregion
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#region Sum
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/// <summary>
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/// Sums the values of a selected field for a given filtered collection of documents.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="selector">The field you want to sum.</param>
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/// <param name="partitionKey">The partition key of your document, if any.</param>
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Task<int> SumByAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter,
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Expression<Func<TDocument, int>> selector,
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string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Sums the values of a selected field for a given filtered collection of documents.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="selector">The field you want to sum.</param>
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/// <param name="partitionKey">The partition key of your document, if any.</param>
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int SumBy<TDocument, TKey>(Expression<Func<TDocument, bool>> filter,
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Expression<Func<TDocument, int>> selector,
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string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Sums the values of a selected field for a given filtered collection of documents.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="selector">The field you want to sum.</param>
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/// <param name="partitionKey">The partition key of your document, if any.</param>
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Task<decimal> SumByAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter,
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Expression<Func<TDocument, decimal>> selector,
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string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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/// <summary>
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/// Sums the values of a selected field for a given filtered collection of documents.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <param name="filter">A LINQ expression filter.</param>
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/// <param name="selector">The field you want to sum.</param>
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/// <param name="partitionKey">The partition key of your document, if any.</param>
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decimal SumBy<TDocument, TKey>(Expression<Func<TDocument, bool>> filter,
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Expression<Func<TDocument, decimal>> selector,
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string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>;
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#endregion Sum
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}
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public class BaseReadOnlyRepository : IBaseReadOnlyRepository
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{
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/// <summary>
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/// The connection string.
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/// </summary>
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public string ConnectionString { get; }
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/// <summary>
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/// The database name.
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/// </summary>
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public string DatabaseName { get; }
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/// <summary>
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/// The MongoDbContext
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/// </summary>
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protected IMongoDbContext MongoDbContext = null;
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/// <summary>
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/// The constructor taking a connection string and a database name.
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/// </summary>
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/// <param name="connectionString">The connection string of the MongoDb server.</param>
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/// <param name="databaseName">The name of the database against which you want to perform operations.</param>
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protected BaseReadOnlyRepository(string connectionString, string databaseName = null)
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{
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if (databaseName == null)
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{
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var mongoUrl = new MongoUrl(connectionString);
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databaseName = databaseName ?? mongoUrl.DatabaseName;
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}
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ConnectionString = connectionString;
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DatabaseName = databaseName;
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MongoDbContext = new MongoDbContext(connectionString, databaseName);
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}
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/// <summary>
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/// The contructor taking a <see cref="IMongoDbContext"/>.
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/// </summary>
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/// <param name="mongoDbContext">A mongodb context implementing <see cref="IMongoDbContext"/></param>
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protected BaseReadOnlyRepository(IMongoDbContext mongoDbContext)
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{
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MongoDbContext = mongoDbContext;
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}
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/// <summary>
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/// The contructor taking a <see cref="IMongoDatabase"/>.
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/// </summary>
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/// <param name="mongoDatabase">A mongodb context implementing <see cref="IMongoDatabase"/></param>
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protected BaseReadOnlyRepository(IMongoDatabase mongoDatabase)
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{
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MongoDbContext = new MongoDbContext(mongoDatabase);
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}
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#region Read TKey
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/// <summary>
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/// Asynchronously returns one document given its id.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="id">The Id of the document you want to get.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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public async Task<TDocument> GetByIdAsync<TDocument, TKey>(TKey id, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>
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{
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var filter = Builders<TDocument>.Filter.Eq("Id", id);
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return await HandlePartitioned<TDocument, TKey>(partitionKey).Find(filter).FirstOrDefaultAsync();
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}
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/// <summary>
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/// Returns one document given its id.
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/// </summary>
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/// <typeparam name="TDocument">The type representing a Document.</typeparam>
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/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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/// <param name="id">The Id of the document you want to get.</param>
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/// <param name="partitionKey">An optional partition key.</param>
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public TDocument GetById<TDocument, TKey>(TKey id, string partitionKey = null)
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where TDocument : IDocument<TKey>
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where TKey : IEquatable<TKey>
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{
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var filter = Builders<TDocument>.Filter.Eq("Id", id);
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return HandlePartitioned<TDocument, TKey>(partitionKey).Find(filter).FirstOrDefault();
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}
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||||
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||||
/// <summary>
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||||
/// Asynchronously returns one document given an expression filter.
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||||
/// </summary>
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||||
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
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||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
public async Task<TDocument> GetOneAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return await HandlePartitioned<TDocument, TKey>(partitionKey).Find(filter).FirstOrDefaultAsync();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Returns one document given an expression filter.
|
||||
/// </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="filter">A LINQ expression filter.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
public TDocument GetOne<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return HandlePartitioned<TDocument, TKey>(partitionKey).Find(filter).FirstOrDefault();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Returns a collection cursor.
|
||||
/// </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="filter">A LINQ expression filter.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
public IFindFluent<TDocument, TDocument> GetCursor<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return HandlePartitioned<TDocument, TKey>(partitionKey).Find(filter);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Returns true if any of the document of the collection matches the filter condition.
|
||||
/// </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="filter">A LINQ expression filter.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
public async Task<bool> AnyAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
var count = await HandlePartitioned<TDocument, TKey>(partitionKey).CountDocumentsAsync(filter);
|
||||
return (count > 0);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Returns true if any of the document of the collection matches the filter condition.
|
||||
/// </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="filter">A LINQ expression filter.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
public bool Any<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
var count = HandlePartitioned<TDocument, TKey>(partitionKey).CountDocuments(filter);
|
||||
return (count > 0);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asynchronously returns a list of the documents matching the filter condition.
|
||||
/// </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="filter">A LINQ expression filter.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
public async Task<List<TDocument>> GetAllAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return await HandlePartitioned<TDocument, TKey>(partitionKey).Find(filter).ToListAsync();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Returns a list of the documents matching the filter condition.
|
||||
/// </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="filter">A LINQ expression filter.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
public List<TDocument> GetAll<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return HandlePartitioned<TDocument, TKey>(partitionKey).Find(filter).ToList();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asynchronously counts how many documents match the filter condition.
|
||||
/// </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="filter">A LINQ expression filter.</param>
|
||||
/// <param name="partitionKey">An optional partitionKey</param>
|
||||
public async Task<long> CountAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return await HandlePartitioned<TDocument, TKey>(partitionKey).CountDocumentsAsync(filter);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Counts how many documents match the filter condition.
|
||||
/// </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="filter">A LINQ expression filter.</param>
|
||||
/// <param name="partitionKey">An optional partitionKey</param>
|
||||
public long Count<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return HandlePartitioned<TDocument, TKey>(partitionKey).Find(filter).CountDocuments();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the document with the maximum value of a specified property in a MongoDB collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="maxValueSelector">A property selector to order by descending.</param>
|
||||
/// <param name="partitionKey">An optional partitionKey.</param>
|
||||
public async Task<TDocument> GetByMaxAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, object>> maxValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return await GetCollection<TDocument, TKey>(partitionKey).Find(Builders<TDocument>.Filter.Where(filter))
|
||||
.SortByDescending(maxValueSelector)
|
||||
.Limit(1)
|
||||
.FirstOrDefaultAsync();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the document with the maximum value of a specified property in a MongoDB collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="maxValueSelector">A property selector to order by descending.</param>
|
||||
/// <param name="partitionKey">An optional partitionKey.</param>
|
||||
public TDocument GetByMax<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, object>> maxValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return GetCollection<TDocument, TKey>(partitionKey).Find(Builders<TDocument>.Filter.Where(filter))
|
||||
.SortByDescending(maxValueSelector)
|
||||
.Limit(1)
|
||||
.FirstOrDefault();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the document with the minimum value of a specified property in a MongoDB collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="minValueSelector">A property selector to order by ascending.</param>
|
||||
/// <param name="partitionKey">An optional partitionKey.</param>
|
||||
public async Task<TDocument> GetByMinAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, object>> minValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return await GetCollection<TDocument, TKey>(partitionKey).Find(Builders<TDocument>.Filter.Where(filter))
|
||||
.SortBy(minValueSelector)
|
||||
.Limit(1)
|
||||
.FirstOrDefaultAsync();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the document with the minimum value of a specified property in a MongoDB collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="minValueSelector">A property selector to order by ascending.</param>
|
||||
/// <param name="partitionKey">An optional partitionKey.</param>
|
||||
public TDocument GetByMin<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, object>> minValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return GetCollection<TDocument, TKey>(partitionKey).Find(Builders<TDocument>.Filter.Where(filter))
|
||||
.SortBy(minValueSelector)
|
||||
.Limit(1)
|
||||
.FirstOrDefault();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the minimum value of a property in a mongodb collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <typeparam name="TValue">The type of the value used to order the query.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="minValueSelector">A property selector to order by ascending.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
private IFindFluent<TDocument, TDocument> GetMinMongoQuery<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> minValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return GetCollection<TDocument, TKey>(partitionKey).Find(Builders<TDocument>.Filter.Where(filter))
|
||||
.SortBy(ConvertExpression(minValueSelector))
|
||||
.Limit(1);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the minimum value of a property in a mongodb collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <typeparam name="TValue">The type of the value used to order the query.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="maxValueSelector">A property selector to order by descending.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
private IFindFluent<TDocument, TDocument> GetMaxMongoQuery<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> maxValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return GetCollection<TDocument, TKey>(partitionKey).Find(Builders<TDocument>.Filter.Where(filter))
|
||||
.SortByDescending(ConvertExpression(maxValueSelector))
|
||||
.Limit(1);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the maximum value of a property in a mongodb collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="orderByAscending">A property selector to order by ascending.</param>
|
||||
/// <param name="partitionKey">An optional partitionKey.</param>
|
||||
public async Task<TValue> GetMaxValueAsync<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> maxValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return await GetMaxMongoQuery<TDocument, TKey, TValue>(filter, maxValueSelector, partitionKey)
|
||||
.Project(maxValueSelector)
|
||||
.FirstOrDefaultAsync();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the maximum value of a property in a mongodb collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <typeparam name="TValue">The type of the value used to order the query.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="maxValueSelector">A property selector to order by ascending.</param>
|
||||
/// <param name="partitionKey">An optional partitionKey.</param>
|
||||
public TValue GetMaxValue<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> maxValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
|
||||
return GetMaxMongoQuery<TDocument, TKey, TValue>(filter, maxValueSelector, partitionKey)
|
||||
.Project(maxValueSelector)
|
||||
.FirstOrDefault();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the minimum value of a property in a mongodb collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <typeparam name="TValue">The type of the value used to order the query.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="minValueSelector">A property selector to order by ascending.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
public virtual async Task<TValue> GetMinValueAsync<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> minValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return await GetMinMongoQuery<TDocument, TKey, TValue>(filter, minValueSelector, partitionKey).Project(minValueSelector).FirstOrDefaultAsync();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the minimum value of a property in a mongodb collections that is satisfying the filter.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <typeparam name="TValue">The type of the value used to order the query.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="minValueSelector">A property selector to order by ascending.</param>
|
||||
/// <param name="partitionKey">An optional partition key.</param>
|
||||
public virtual TValue GetMinValue<TDocument, TKey, TValue>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TValue>> minValueSelector, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return GetMinMongoQuery<TDocument, TKey, TValue>(filter, minValueSelector, partitionKey).Project(minValueSelector).FirstOrDefault();
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region Sum TKey
|
||||
|
||||
/// <summary>
|
||||
/// Sums the values of a selected field for a given filtered collection of documents.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="selector">The field you want to sum.</param>
|
||||
/// <param name="partitionKey">The partition key of your document, if any.</param>
|
||||
public virtual async Task<int> SumByAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter,
|
||||
Expression<Func<TDocument, int>> selector,
|
||||
string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return await GetQuery<TDocument, TKey>(filter, partitionKey).SumAsync(selector);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Sums the values of a selected field for a given filtered collection of documents.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="selector">The field you want to sum.</param>
|
||||
/// <param name="partitionKey">The partition key of your document, if any.</param>
|
||||
public virtual int SumBy<TDocument, TKey>(Expression<Func<TDocument, bool>> filter,
|
||||
Expression<Func<TDocument, int>> selector,
|
||||
string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return GetQuery<TDocument, TKey>(filter, partitionKey).Sum(selector);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Sums the values of a selected field for a given filtered collection of documents.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="selector">The field you want to sum.</param>
|
||||
/// <param name="partitionKey">The partition key of your document, if any.</param>
|
||||
public virtual async Task<decimal> SumByAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter,
|
||||
Expression<Func<TDocument, decimal>> selector,
|
||||
string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return await GetQuery<TDocument, TKey>(filter, partitionKey).SumAsync(selector);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Sums the values of a selected field for a given filtered collection of documents.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The type representing a Document.</typeparam>
|
||||
/// <param name="filter">A LINQ expression filter.</param>
|
||||
/// <param name="selector">The field you want to sum.</param>
|
||||
/// <param name="partitionKey">The partition key of your document, if any.</param>
|
||||
public virtual decimal SumBy<TDocument, TKey>(Expression<Func<TDocument, bool>> filter,
|
||||
Expression<Func<TDocument, decimal>> selector,
|
||||
string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return GetQuery<TDocument, TKey>(filter, partitionKey).Sum(selector);
|
||||
}
|
||||
|
||||
#endregion Sums TKey
|
||||
|
||||
#region Utility Methods
|
||||
|
||||
protected IMongoQueryable<TDocument> GetQuery<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return GetCollection<TDocument, TKey>(partitionKey).AsQueryable().Where(filter);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets a collections for a potentially partitioned document type.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <param name="document">The document.</param>
|
||||
/// <returns></returns>
|
||||
protected virtual IMongoCollection<TDocument> HandlePartitioned<TDocument, TKey>(TDocument document)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
if (document is IPartitionedDocument)
|
||||
{
|
||||
return GetCollection<TDocument, TKey>(((IPartitionedDocument)document).PartitionKey);
|
||||
}
|
||||
return GetCollection<TDocument, TKey>();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets a collections for the type TDocument with a partition key.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <param name="partitionKey">The collection partition key.</param>
|
||||
/// <returns></returns>
|
||||
protected virtual IMongoCollection<TDocument> GetCollection<TDocument, TKey>(string partitionKey = null)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
return MongoDbContext.GetCollection<TDocument>(partitionKey);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets a collections for a potentially partitioned document type.
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TKey">The type of the primary key.</typeparam>
|
||||
/// <param name="partitionKey">The collection partition key.</param>
|
||||
/// <returns></returns>
|
||||
protected virtual IMongoCollection<TDocument> HandlePartitioned<TDocument, TKey>(string partitionKey)
|
||||
where TDocument : IDocument<TKey>
|
||||
where TKey : IEquatable<TKey>
|
||||
{
|
||||
if (!string.IsNullOrEmpty(partitionKey))
|
||||
{
|
||||
return GetCollection<TDocument, TKey>(partitionKey);
|
||||
}
|
||||
return GetCollection<TDocument, TKey>();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Converts a LINQ expression of TDocument, TValue to a LINQ expression of TDocument, object
|
||||
/// </summary>
|
||||
/// <typeparam name="TDocument">The document type.</typeparam>
|
||||
/// <typeparam name="TValue">The type of the value.</typeparam>
|
||||
/// <param name="expression">The expression to convert</param>
|
||||
protected static Expression<Func<TDocument, object>> ConvertExpression<TDocument, TValue>(Expression<Func<TDocument, TValue>> expression)
|
||||
{
|
||||
var param = expression.Parameters[0];
|
||||
Expression body = expression.Body;
|
||||
var convert = Expression.Convert(body, typeof(object));
|
||||
return Expression.Lambda<Func<TDocument, object>>(convert, param);
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user