Add entities and intents interface for Dialogflow mode.

BotSharp.RestApi/BotSharp.RestApi.xml

@@ -29,6 +29,11 @@
             <param name="agentId"></param>
             <returns></returns>
         </member>
+        <member name="T:BotSharp.RestApi.Dialogflow.EntitiesController">
+            <summary>
+            The /entities endpoint is used to create, retrieve, update, and delete developer-defined entity objects.
+            </summary>
+        </member>
         <member name="T:BotSharp.RestApi.Dialogflow.QueryController">
             <summary>
             Dialogflow mode query controller

BotSharp.RestApi/Dialogflow/DialogflowAllEntityViewModel.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BotSharp.RestApi.Dialogflow
+{
+    public class DialogflowAllEntityViewModel
+    {
+        public int Count { get; set; }
+
+        public string Id { get; set; }
+
+        public string Name { get; set; }
+
+        public string Preview { get; set; }
+    }
+}

BotSharp.RestApi/Dialogflow/EntitiesController.cs

@@ -0,0 +1,24 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BotSharp.RestApi.Dialogflow
+{
+#if DIALOGFLOW
+    /// <summary>
+    /// The /entities endpoint is used to create, retrieve, update, and delete developer-defined entity objects.
+    /// </summary>
+    [Authorize]
+    [Route("v1/[controller]")]
+    public class EntitiesController : ControllerBase
+    {
+        [HttpGet]
+        public IEnumerable<DialogflowAllEntityViewModel> All()
+        {
+            return new List<DialogflowAllEntityViewModel>();
+        }
+    }
+#endif
+}

BotSharp.RestApi/Dialogflow/IntentsController.cs

@@ -0,0 +1,55 @@
+using BotSharp.Core.Adapters.Dialogflow;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BotSharp.RestApi.Dialogflow
+{
+#if DIALOGFLOW
+    /// <summary>
+    /// The /intents endpoint is used to create, retrieve, update, and delete intent objects.
+    /// </summary>
+    [Authorize]
+    [Route("v1/[controller]")]
+    public class IntentsController : ControllerBase
+    {
+        /// <summary>
+        /// Retrieves a list of all intents for the agent.
+        /// </summary>
+        /// <returns></returns>
+        [HttpGet]
+        public IEnumerable<DialogflowIntent> GetIntents()
+        {
+            return new List<DialogflowIntent>();
+        }
+
+        /// <summary>
+        /// The POST request creates a new intent. When a new intent is created via the API, the agent is trained with the new data.
+        /// </summary>
+        /// <returns></returns>
+        [HttpPost]
+        public string PostIntent([FromBody] DialogflowIntent intent)
+        {
+            return "";
+        }
+
+        /// <summary>
+        /// Retrieves the specified intent. {id} is the ID of the intent to retrieve.
+        /// </summary>
+        /// <returns></returns>
+        [HttpGet("{id}")]
+        public DialogflowIntent GetIntent()
+        {
+            return new DialogflowIntent();
+        }
+
+        [HttpPut("{id}")]
+        public bool PutIntent([FromBody] DialogflowIntent intent)
+        {
+            return true;
+        }
+    }
+#endif
+}