Move unused forked code to external directory (#1192)

* Move unused forked code to external directory

* Fix SLN build errors

* Add back resource provider core since it's referenced by main resource provider project

* Update PackageProjects step of pipeline

external/Microsoft.SqlTools.DataProtocol.Contracts/Explorer/CloseSessionRequest.cs

@@ -0,0 +1,53 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using Microsoft.SqlTools.Hosting.Contracts;
+using Microsoft.SqlTools.DataProtocol.Contracts.Connection;
+
+namespace Microsoft.SqlTools.DataProtocol.Contracts.Explorer
+{
+    /// <summary>
+    /// Information returned from a <see cref="CloseSessionRequest"/>.
+    /// Contains success information, a <see cref="SessionId"/> to be used when
+    /// requesting closing an existing session.
+    /// </summary>
+    public class CloseSessionResponse
+    {
+        /// <summary>
+        /// Boolean indicating if the session was closed successfully 
+        /// </summary>
+        public bool Success { get; set; }
+
+        /// <summary>
+        /// Unique ID to use when sending any requests for objects in the
+        /// tree under the node
+        /// </summary>
+        public string SessionId { get; set; }
+    }
+
+    /// <summary>
+    /// Parameters to the <see cref="CloseSessionRequest"/>.
+    /// </summary>
+    public class CloseSessionParams
+    {
+        /// <summary>
+        /// The Id returned from a <see cref="CreateSessionRequest"/>. This
+        /// is used to disambiguate between different trees. 
+        /// </summary>
+        public string SessionId { get; set; }
+    }
+
+    /// <summary>
+    /// Establishes an Object Explorer tree session for a specific connection.
+    /// This will create a connection to a specific server or database, register
+    /// it for use in the 
+    /// </summary>
+    public class CloseSessionRequest
+    {
+        public static readonly
+            RequestType<CloseSessionParams, CloseSessionResponse> Type =
+            RequestType<CloseSessionParams, CloseSessionResponse>.Create("explorer/closesession");
+    }
+}

external/Microsoft.SqlTools.DataProtocol.Contracts/Explorer/CreateSessionRequest.cs

@@ -0,0 +1,65 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using Microsoft.SqlTools.Hosting.Contracts;
+using Microsoft.SqlTools.DataProtocol.Contracts.Connection;
+
+namespace Microsoft.SqlTools.DataProtocol.Contracts.Explorer
+{
+    /// <summary>
+    /// Information returned from a <see cref="CreateSessionRequest"/>.
+    /// Contains success information, a <see cref="SessionId"/> to be used when
+    /// requesting expansion of nodes, and a root node to display for this area.
+    /// </summary>
+    public class CreateSessionResponse
+    {
+        /// <summary>
+        /// Unique ID to use when sending any requests for objects in the
+        /// tree under the node
+        /// </summary>
+        public string SessionId { get; set; }
+
+    }
+
+    /// <summary>
+    /// Information returned from a <see cref="CreateSessionRequest"/>.
+    /// Contains success information, a <see cref="SessionId"/> to be used when
+    /// requesting expansion of nodes, and a root node to display for this area.
+    /// </summary>
+    public class SessionCreatedParameters
+    {
+        /// <summary>
+        /// Boolean indicating if the connection was successful
+        /// </summary>
+        public bool Success { get; set; }
+
+        /// <summary>
+        /// Unique ID to use when sending any requests for objects in the
+        /// tree under the node
+        /// </summary>
+        public string SessionId { get; set; }
+
+        /// <summary>
+        /// Information describing the base node in the tree
+        /// </summary>
+        public NodeInfo RootNode { get; set; }
+
+
+        /// <summary>
+        /// Error message returned from the engine for a object explorer session failure reason, if any.
+        /// </summary>
+        public string ErrorMessage { get; set; }
+    }
+    
+    /// <summary>
+    /// Session notification mapping entry 
+    /// </summary>
+    public class CreateSessionCompleteNotification
+    {
+        public static readonly
+            EventType<SessionCreatedParameters> Type =
+            EventType<SessionCreatedParameters>.Create("explorer/sessioncreated");
+    }
+}

external/Microsoft.SqlTools.DataProtocol.Contracts/Explorer/ExpandRequest.cs

@@ -0,0 +1,76 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using Microsoft.SqlTools.Hosting.Contracts;
+
+namespace Microsoft.SqlTools.DataProtocol.Contracts.Explorer
+{
+    /// <summary>
+    /// Information returned from a <see cref="ExpandRequest"/>.
+    /// </summary>
+    public class ExpandResponse
+    {
+        /// <summary>
+        /// Unique ID to use when sending any requests for objects in the
+        /// tree under the node
+        /// </summary>
+        public string SessionId { get; set; }
+
+        /// <summary>
+        /// Information describing the expanded nodes in the tree
+        /// </summary>
+        public NodeInfo[] Nodes { get; set; }
+
+        /// <summary>
+        /// Path identifying the node to expand. See <see cref="NodeInfo.NodePath"/> for details
+        /// </summary>
+        public string NodePath { get; set; }
+
+        /// <summary>
+        /// Error message returned from the engine for a object explorer expand failure reason, if any.
+        /// </summary>
+        public string ErrorMessage { get; set; }
+    }
+
+    /// <summary>
+    /// Parameters to the <see cref="ExpandRequest"/>.
+    /// </summary>
+    public class ExpandParams
+    {
+        /// <summary>
+        /// The Id returned from a <see cref="CreateSessionRequest"/>. This
+        /// is used to disambiguate between different trees. 
+        /// </summary>
+        public string SessionId { get; set; }
+
+        /// <summary>
+        /// Path identifying the node to expand. See <see cref="NodeInfo.NodePath"/> for details
+        /// </summary>
+        public string NodePath { get; set; }
+    }
+
+    /// <summary>
+    /// A request to expand a node in the tree
+    /// </summary>
+    public class ExpandRequest
+    {
+        /// <summary>
+        /// Returns children of a given node as a <see cref="NodeInfo"/> array.
+        /// </summary>
+        public static readonly
+            RequestType<ExpandParams, bool> Type =
+            RequestType<ExpandParams, bool>.Create("explorer/expand");
+    }
+
+    /// <summary>
+    /// Expand notification mapping entry 
+    /// </summary>
+    public class ExpandCompleteNotification
+    {
+        public static readonly
+            EventType<ExpandResponse> Type =
+            EventType<ExpandResponse>.Create("explorer/expandCompleted");
+    }
+}

external/Microsoft.SqlTools.DataProtocol.Contracts/Explorer/FindNodesRequest.cs

@@ -0,0 +1,55 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using System.Collections.Generic;
+using Microsoft.SqlTools.Hosting.Contracts;
+using Microsoft.SqlTools.DataProtocol.Contracts.Connection;
+
+namespace Microsoft.SqlTools.DataProtocol.Contracts.Explorer
+{
+    /// <summary>
+    /// Information returned from a <see cref="FindNodesRequest"/>.
+    /// </summary>
+    public class FindNodesResponse
+    {
+        /// <summary>
+        /// Information describing the matching nodes in the tree
+        /// </summary>
+        public List<NodeInfo> Nodes { get; set; }
+    }
+
+    /// <summary>
+    /// Parameters to the <see cref="FindNodesRequest"/>.
+    /// </summary>
+    public class FindNodesParams
+    {
+        /// <summary>
+        /// The Id returned from a <see cref="CreateSessionRequest"/>. This
+        /// is used to disambiguate between different trees. 
+        /// </summary>
+        public string SessionId { get; set; }
+
+        public string Type { get; set; }
+
+        public string Schema { get; set; }
+
+        public string Name { get; set; }
+
+        public string Database { get; set; }
+
+        public List<string> ParentObjectNames { get; set; }
+
+    }
+
+    /// <summary>
+    /// TODO
+    /// </summary>
+    public class FindNodesRequest
+    {
+        public static readonly
+            RequestType<FindNodesParams, FindNodesResponse> Type =
+            RequestType<FindNodesParams, FindNodesResponse>.Create("explorer/findnodes");
+    }
+}

external/Microsoft.SqlTools.DataProtocol.Contracts/Explorer/NodeInfo.cs

@@ -0,0 +1,63 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+
+using Microsoft.SqlTools.DataProtocol.Contracts.Metadata;
+
+namespace Microsoft.SqlTools.DataProtocol.Contracts.Explorer
+{
+    /// <summary>
+    /// Information describing a Node in the Object Explorer tree. 
+    /// Contains information required to display the Node to the user and
+    /// to know whether actions such as expanding children is possible
+    /// the node 
+    /// </summary>
+    public class NodeInfo
+    {
+        /// <summary>
+        /// Path identifying this node: for example a table will be at ["server", "database", "tables", "tableName"].
+        /// This enables rapid navigation of the tree without the need for a global registry of elements.
+        /// The path functions as a unique ID and is used to disambiguate the node when sending requests for expansion.
+        /// A common ID is needed since processes do not share address space and need a unique identifier
+        /// </summary>
+        public string NodePath { get; set; }
+
+        /// <summary>
+        /// The type of the node - for example Server, Database, Folder, Table
+        /// </summary>
+        public string NodeType { get; set; }
+
+        /// <summary>
+        /// Label to display to the user, describing this node.
+        /// </summary>
+        public string Label { get; set; }
+
+        /// <summary>
+        /// Node Sub type - for example a key can have type as "Key" and sub type as "PrimaryKey"
+        /// </summary>
+        public string NodeSubType { get; set; }
+
+        /// <summary>
+        /// Node status - for example login can be disabled/enabled
+        /// </summary>
+        public string NodeStatus { get; set; }
+
+        /// <summary>
+        /// Is this a leaf node (in which case no children can be generated) or
+        /// is it expandable?
+        /// </summary>
+        public bool IsLeaf { get; set; }
+
+        /// <summary>
+        /// Object Metadata for smo objects to be used for scripting
+        /// </summary>
+        public ObjectMetadata Metadata { get; set; }
+
+        /// <summary>
+        /// Error message returned from the engine for a object explorer node failure reason, if any.
+        /// </summary>
+        public string ErrorMessage { get; set; }
+    }
+}

external/Microsoft.SqlTools.DataProtocol.Contracts/Explorer/RefreshRequest.cs

@@ -0,0 +1,29 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using Microsoft.SqlTools.Hosting.Contracts;
+
+namespace Microsoft.SqlTools.DataProtocol.Contracts.Explorer
+{
+    /// <summary>
+    /// Parameters to the <see cref="ExpandRequest"/>.
+    /// </summary>
+    public class RefreshParams: ExpandParams
+    {
+    }
+
+    /// <summary>
+    /// A request to expand a 
+    /// </summary>
+    public class RefreshRequest
+    {
+        /// <summary>
+        /// Returns children of a given node as a <see cref="NodeInfo"/> array.
+        /// </summary>
+        public static readonly
+            RequestType<RefreshParams, bool> Type =
+            RequestType<RefreshParams, bool>.Create("explorer/refresh");
+    }
+}