DefaultStateForm

- adding DefaultStateForm to redirect Sessions after reloading Sessions to a different Form instead of "restart" the session (i.e. on an in Bot wizard you just want to let the user continue on the main menu)
- adding to SaveSessions to save the "main menu" instead of skipping the ignored form

TelegramBotBase/Interfaces/IStateMachine.cs

@@ -3,11 +3,14 @@ using System.Collections.Generic;
 using System.Text;
 using TelegramBotBase.Args;
 using TelegramBotBase.Base;
+using TelegramBotBase.Form;
 
 namespace TelegramBotBase.Interfaces
 {
     public interface IStateMachine
     {
+        Type DefaultStateForm { get; }
+
         void SaveFormStates(SaveStatesEventArgs e);
 
         StateContainer LoadFormStates();

TelegramBotBase/SessionBase.cs

@@ -88,7 +88,7 @@ namespace TelegramBotBase
             if (d != null)
             {
                 this.SessionList.Remove(deviceId);
-                
+
             }
         }
 
@@ -222,7 +222,14 @@ namespace TelegramBotBase
                     //Skip classes where IgnoreState attribute is existing
                     if (form.GetType().GetCustomAttributes(typeof(IgnoreState), true).Length != 0)
                     {
-                        continue;
+                        if (statemachine.DefaultStateForm == null)
+                        {
+                            continue;
+                        }
+
+                        //Replace form by default State one.
+                        se.FormUri = statemachine.DefaultStateForm.FullName;
+                        se.QualifiedName = statemachine.DefaultStateForm.AssemblyQualifiedName;
                     }
 
                     //Is Subclass of IStateForm

TelegramBotBase/States/JSONStateMachine.cs

@@ -5,6 +5,7 @@ using System.Runtime.Serialization.Formatters;
 using System.Text;
 using TelegramBotBase.Args;
 using TelegramBotBase.Base;
+using TelegramBotBase.Form;
 using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.States
@@ -18,13 +19,28 @@ namespace TelegramBotBase.States
 
         public bool Overwrite { get; set; }
 
-        public JSONStateMachine(String file, bool overwrite = true)
+        public Type DefaultStateForm { get; private set; }
+
+        /// <summary>
+        /// Will initialize the state machine.
+        /// </summary>
+        /// <param name="file">Path of the file and name where to save the session details.</param>
+        /// <param name="defaultStateForm">Type of Form which will be saved instead of Form which has <seealso cref="Attributes.IgnoreState"/> attribute declared. Needs to be subclass of <seealso cref="Form.FormBase"/>.</param>
+        /// <param name="overwrite">Declares of the file could be overwritten.</param>
+        public JSONStateMachine(String file, Type defaultStateForm = null, bool overwrite = true)
         {
             if (file is null)
             {
                 throw new ArgumentNullException(nameof(file));
             }
 
+            this.DefaultStateForm = defaultStateForm ?? typeof(FormBase);
+
+            if (!this.DefaultStateForm.IsSubclassOf(typeof(FormBase)))
+            {
+                throw new ArgumentException("DefaultStateForm is not a subclass of FormBase");
+            }
+
             this.FilePath = file;
             this.Overwrite = overwrite;
         }

TelegramBotBase/States/SimpleJSONStateMachine.cs

@@ -5,6 +5,7 @@ using System.Runtime.Serialization.Formatters;
 using System.Text;
 using TelegramBotBase.Args;
 using TelegramBotBase.Base;
+using TelegramBotBase.Form;
 using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.States
@@ -18,13 +19,28 @@ namespace TelegramBotBase.States
 
         public bool Overwrite { get; set; }
 
-        public SimpleJSONStateMachine(String file, bool overwrite = true)
+        public Type DefaultStateForm { get; private set; }
+
+        /// <summary>
+        /// Will initialize the state machine.
+        /// </summary>
+        /// <param name="file">Path of the file and name where to save the session details.</param>
+        /// <param name="defaultStateForm">Type of Form which will be saved instead of Form which has <seealso cref="Attributes.IgnoreState"/> attribute declared. Needs to be subclass of <seealso cref="Form.FormBase"/>.</param>
+        /// <param name="overwrite">Declares of the file could be overwritten.</param>
+        public SimpleJSONStateMachine(String file, Type defaultStateForm = null, bool overwrite = true)
         {
             if (file is null)
             {
                 throw new ArgumentNullException(nameof(file));
             }
 
+            this.DefaultStateForm = defaultStateForm ?? typeof(FormBase);
+
+            if (!this.DefaultStateForm.IsSubclassOf(typeof(FormBase)))
+            {
+                throw new ArgumentException("DefaultStateForm is not a subclass of FormBase");
+            }
+
             this.FilePath = file;
             this.Overwrite = overwrite;
         }

TelegramBotBase/States/XMLStateMachine.cs

@@ -7,6 +7,7 @@ using System.Xml;
 using System.Xml.Serialization;
 using TelegramBotBase.Args;
 using TelegramBotBase.Base;
+using TelegramBotBase.Form;
 using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.States
@@ -17,13 +18,28 @@ namespace TelegramBotBase.States
 
         public bool Overwrite { get; set; }
 
-        public XMLStateMachine(String file, bool overwrite = true)
+        public Type DefaultStateForm { get; private set; }
+
+        /// <summary>
+        /// Will initialize the state machine.
+        /// </summary>
+        /// <param name="file">Path of the file and name where to save the session details.</param>
+        /// <param name="defaultStateForm">Type of Form which will be saved instead of Form which has <seealso cref="Attributes.IgnoreState"/> attribute declared. Needs to be subclass of <seealso cref="Form.FormBase"/>.</param>
+        /// <param name="overwrite">Declares of the file could be overwritten.</param>
+        public XMLStateMachine(String file, Type defaultStateForm = null, bool overwrite = true)
         {
             if (file is null)
             {
                 throw new ArgumentNullException(nameof(file));
             }
 
+            this.DefaultStateForm = defaultStateForm ?? typeof(FormBase);
+
+            if (!this.DefaultStateForm.IsSubclassOf(typeof(FormBase)))
+            {
+                throw new ArgumentException("DefaultStateForm is not a subclass of FormBase");
+            }
+
             this.FilePath = file;
             this.Overwrite = overwrite;
         }