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Models/XDatabaseDescriptor.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using MongoDB.Bson.Serialization.Conventions;
+using xCommons.Extensions;
+using xDataService.Configuration;
+using xDataService.Constants;
+using xDataService.Db;
+using xDataService.DI;
+using xDataService.Interfaces;
+
+namespace xDataService.Models
+{
+    /// <summary>
+    /// Data Base Descriptor ...
+    /// </summary>
+    public abstract class XDatabaseDescriptor : IXDatabaseDescriptor
+    {
+        //
+        #region Props ...
+        /// <summary>
+        /// Database Name ...
+        /// </summary>
+        /// <value></value>
+        public virtual string Name { get; set; }
+
+        /// <summary>
+        /// Database Provider ...
+        /// </summary>
+        /// <value></value>
+        public virtual XDbProviders Provider { get; set; }
+
+        /// <summary>
+        /// Db Context...
+        /// </summary>
+        /// <value></value>
+        public virtual Type Context { get; set; } = null;
+
+        /// <summary>
+        /// Database Connecion String ...
+        /// </summary>
+        /// <value></value>
+        public virtual string ConnectionString { get; set; }
+
+        /// <summary>
+        /// Data Service Configuration ...
+        /// </summary>
+        /// <value></value>
+        public virtual XDataBaseConfiguration Configuration { get; set; }
+
+        /// <summary>
+        /// Repositories Descriptions ...
+        /// </summary>
+        /// <value></value>
+        public virtual IList<XRepositoryDescriptor> Repositories { get; set; } = null;
+
+        /// <summary>
+        /// Mongo Convention Packs ...
+        /// </summary>
+        public ConventionPack ConventionPacks { get; set; } = null;
+
+        /// <summary>
+        /// DbContext Options Builder ...
+        /// </summary>
+        /// <value></value>
+        public Action<dynamic> OptionsBuilder { get; set; } = null;
+        #endregion
+
+        //
+        #region Constructor ...
+        /// <summary>
+        /// Constructor of Descriptor ...
+        /// </summary>
+        /// <param name="name"></param>
+        /// <param name="configuration"></param>
+        /// <param name="repositories"></param>
+        public XDatabaseDescriptor(
+            string name,
+            IList<XRepositoryDescriptor> repositories = null
+        )
+        {
+            //
+            Name = name;
+            Repositories = repositories;
+        }
+        #endregion
+
+        //
+        #region Configure ...
+        /// <summary>
+        /// Configure Database Descriptor using Registered Services ...
+        /// </summary>
+        /// <param name="services"></param>
+        public void Configure(
+            IServiceCollection services
+        )
+        {
+            //
+            bool isValid = !Name.IsNullOrEmpty();
+            if (!isValid)
+            {
+                return;
+            }
+
+            //
+            var xDataServiceConfiguration = services.GetRegisteredService<XDataServiceConfiguration>();
+            isValid =
+                !xDataServiceConfiguration.IsNullOrDefault() &&
+                xDataServiceConfiguration.Databases.HasChild() &&
+                xDataServiceConfiguration.Databases.Keys.Any(k => k == Name);
+            if (!isValid)
+            {
+                return;
+            }
+
+            //
+            var database = xDataServiceConfiguration.Databases[Name];
+            isValid = !database.IsNullOrDefault();
+            if (!isValid)
+            {
+                return;
+            }
+
+            //
+            Configure(database);
+        }
+
+        /// <summary>
+        /// Configure Database Descriptor using IConfiguration ...
+        /// </summary>
+        /// <param name="configuration"></param>
+        public void Configure(
+            IConfiguration configuration
+        )
+        {
+            //
+            bool isValid = !Name.IsNullOrEmpty();
+            if (!isValid)
+            {
+                return;
+            }
+
+            //
+            var xDataServiceConfiguration = configuration.GetXDataServiceConfiguration();
+            isValid =
+                !xDataServiceConfiguration.IsNullOrDefault() &&
+                xDataServiceConfiguration.Databases.HasChild() &&
+                xDataServiceConfiguration.Databases.Keys.Any(k => k == Name);
+            if (!isValid)
+            {
+                return;
+            }
+
+            //
+            var database = xDataServiceConfiguration.Databases[Name];
+            isValid = !database.IsNullOrDefault();
+            if (!isValid)
+            {
+                return;
+            }
+
+            //
+            Configure(database);
+        }
+
+        /// <summary>
+        /// Configure Database Descriptor using Database Configuration ...
+        /// </summary>
+        /// <param name="configuration"></param>
+        public void Configure(
+            XDataBaseConfiguration configuration
+        )
+        {
+            //
+            Configuration = configuration;
+            Provider = configuration.Provider;
+            ConnectionString = configuration.ConnectionString;
+        }
+
+        /// <summary>
+        /// Configure Database Descriptor using Provider and Connection String ...
+        /// </summary>
+        /// <param name="provider"></param>
+        /// <param name="connectionString"></param>
+        public void Configure(
+            XDbProviders provider,
+            string connectionString
+        )
+        {
+            //
+            Provider = provider;
+            ConnectionString = connectionString;
+            Configuration = new XDataBaseConfiguration
+            {
+                Provider = provider,
+                ConnectionString = connectionString
+            };
+        }
+        #endregion
+    }
+
+    /// <summary>
+    /// Data Base Descriptor ...
+    /// </summary>
+    /// <typeparam name="TContext"></typeparam>
+    public abstract class XDatabaseDescriptor<TContext> : XDatabaseDescriptor, IXDatabaseDescriptor<TContext>
+    where TContext : XDbContext
+    {
+        /// <summary>
+        /// Constructor of Descriptor ...
+        /// </summary>
+        /// <param name="name"></param>
+        /// <param name="configuration"></param>
+        /// <param name="context"></param>
+        /// <param name="repositories"></param>
+        public XDatabaseDescriptor(
+            string name,
+            IList<XRepositoryDescriptor> repositories = null
+        ) : base(
+            name: name,
+            repositories: repositories
+        )
+        {
+            Context = typeof(TContext);
+        }
+    }
+}

Models/XRepositoryDescriptor.cs

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+using GraphQL.Types;
+using xDataService.GraphQL;
+using xDataService.Interfaces;
+using xModels.Base;
+
+namespace xDataService.Models
+{
+    /// <summary>
+    /// a Global non Generic Repository Descriptor ...
+    /// </summary>
+    public class XRepositoryDescriptor { }
+
+    /// <summary>
+    /// a Repository Descriptor ...
+    /// </summary>
+    /// <typeparam name="TEntity"></typeparam>
+    /// <typeparam name="TKey"></typeparam>
+    public class XRepositoryDescriptor<TEntity, TKey> : XRepositoryDescriptor
+    where TEntity : XBaseEntity<TKey>
+    {
+        /// <summary>
+        /// Entity Type GraphQL Schema ...
+        /// </summary>
+        /// <value></value>
+        public Schema GraphSchema { get; set; } = null;
+
+        /// <summary>
+        /// Entity GraphQL Type Helper ...
+        /// </summary>
+        /// <value></value>
+        public IXBaseGraphQLTypeHelper GraphTypeHelper { get; set; } = null;
+
+        /// <summary>
+        /// Entity GrapQL Query ...
+        /// </summary>
+        /// <value></value>
+        public IXBaseGraphQLQuery<TEntity, TKey> GraphQuery { get; set; } = null;
+
+        /// <summary>
+        /// Entity GraphQL Type ...
+        /// </summary>
+        /// <value></value>
+        public XBaseGraphObjectType<TEntity, TKey> GraphType { get; set; } = null;
+
+        /// <summary>
+        /// Repository Event Provider ...
+        /// </summary>
+        /// <value></value>
+        public IXBaseRepositoryEvents<TEntity> Events { get; set; } = null;
+
+        /// <summary>
+        /// Repository Key Generator for Entity ...
+        /// </summary>
+        /// <value></value>
+        public IXKeyGenerator<TEntity, TKey> KeyGenerator { get; set; } = null;
+
+        /// <summary>
+        /// Repository Data Access Design Pattern ...
+        /// </summary>
+        /// <value></value>
+        public IXBaseRepository<TEntity, TKey> Repository { get; set; }
+    }
+}