Add customer communication system

2025-08-27 18:02:39 +01:00
parent 1f7c0af497
commit eae5be3e7c
136 changed files with 14552 additions and 97 deletions
--- a/TeleBot/TeleBot/Models/ShoppingCart.cs
+++ b/TeleBot/TeleBot/Models/ShoppingCart.cs
@@ -0,0 +1,103 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace TeleBot.Models
+{
+    public class ShoppingCart
+    {
+        public string Id { get; set; } = Guid.NewGuid().ToString();
+        public List<CartItem> Items { get; set; } = new();
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+        public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+        
+        public void AddItem(Guid productId, string productName, decimal price, int quantity = 1)
+        {
+            var existingItem = Items.FirstOrDefault(i => i.ProductId == productId);
+            
+            if (existingItem != null)
+            {
+                existingItem.Quantity += quantity;
+                existingItem.UpdateTotalPrice();
+            }
+            else
+            {
+                var newItem = new CartItem
+                {
+                    ProductId = productId,
+                    ProductName = productName,
+                    UnitPrice = price,
+                    Quantity = quantity
+                };
+                newItem.UpdateTotalPrice(); // Ensure total is calculated after all properties are set
+                Items.Add(newItem);
+            }
+            
+            UpdatedAt = DateTime.UtcNow;
+        }
+        
+        public void RemoveItem(Guid productId)
+        {
+            Items.RemoveAll(i => i.ProductId == productId);
+            UpdatedAt = DateTime.UtcNow;
+        }
+        
+        public void UpdateQuantity(Guid productId, int quantity)
+        {
+            var item = Items.FirstOrDefault(i => i.ProductId == productId);
+            if (item != null)
+            {
+                if (quantity <= 0)
+                {
+                    RemoveItem(productId);
+                }
+                else
+                {
+                    item.Quantity = quantity;
+                    item.UpdateTotalPrice();
+                    UpdatedAt = DateTime.UtcNow;
+                }
+            }
+        }
+        
+        public void Clear()
+        {
+            Items.Clear();
+            UpdatedAt = DateTime.UtcNow;
+        }
+        
+        public decimal GetTotalAmount()
+        {
+            return Items.Sum(i => i.TotalPrice);
+        }
+        
+        public int GetTotalItems()
+        {
+            return Items.Sum(i => i.Quantity);
+        }
+        
+        public bool IsEmpty()
+        {
+            return !Items.Any();
+        }
+    }
+    
+    public class CartItem
+    {
+        public Guid ProductId { get; set; }
+        public string ProductName { get; set; } = string.Empty;
+        public int Quantity { get; set; }
+        public decimal UnitPrice { get; set; }
+        public decimal TotalPrice { get; set; }
+        
+        public CartItem()
+        {
+            // Don't calculate total in constructor - wait for properties to be set
+        }
+        
+        public void UpdateTotalPrice()
+        {
+            TotalPrice = UnitPrice * Quantity;
+        }
+    }
+}
--- a/TeleBot/TeleBot/Models/UserSession.cs
+++ b/TeleBot/TeleBot/Models/UserSession.cs
@@ -0,0 +1,102 @@
+using System;
+using System.Collections.Generic;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace TeleBot.Models
+{
+    public class UserSession
+    {
+        public string Id { get; set; } = Guid.NewGuid().ToString();
+        public string HashedUserId { get; set; } = string.Empty;
+        public SessionState State { get; set; } = SessionState.MainMenu;
+        
+        // Telegram User Information (for customer creation)
+        public long TelegramUserId { get; set; }
+        public string TelegramUsername { get; set; } = string.Empty;
+        public string TelegramDisplayName { get; set; } = string.Empty;
+        public string TelegramFirstName { get; set; } = string.Empty;
+        public string TelegramLastName { get; set; } = string.Empty;
+        public ShoppingCart Cart { get; set; } = new();
+        public Dictionary<string, object> TempData { get; set; } = new();
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+        public DateTime LastActivityAt { get; set; } = DateTime.UtcNow;
+        public DateTime ExpiresAt { get; set; }
+        public bool IsEphemeral { get; set; } = true;
+        public PrivacySettings Privacy { get; set; } = new();
+        
+        // Order flow data (temporary)
+        public OrderFlowData? OrderFlow { get; set; }
+        
+        public static string HashUserId(long telegramUserId, string salt = "TeleBot-Privacy-Salt")
+        {
+            using var sha256 = SHA256.Create();
+            var bytes = Encoding.UTF8.GetBytes($"{telegramUserId}:{salt}");
+            var hash = sha256.ComputeHash(bytes);
+            return Convert.ToBase64String(hash);
+        }
+        
+        public bool IsExpired()
+        {
+            return DateTime.UtcNow > ExpiresAt;
+        }
+        
+        public void UpdateActivity()
+        {
+            LastActivityAt = DateTime.UtcNow;
+        }
+    }
+    
+    public class PrivacySettings
+    {
+        public bool UseEphemeralMode { get; set; } = true;
+        public bool UseTorOnly { get; set; } = false;
+        public bool DisableAnalytics { get; set; } = true;
+        public bool RequirePGP { get; set; } = false;
+        public string? PGPPublicKey { get; set; }
+        public bool EnableDisappearingMessages { get; set; } = true;
+        public int DisappearingMessageTTL { get; set; } = 30; // seconds
+    }
+    
+    public class OrderFlowData
+    {
+        public string? IdentityReference { get; set; }
+        public string? ShippingName { get; set; }
+        public string? ShippingAddress { get; set; }
+        public string? ShippingCity { get; set; }
+        public string? ShippingPostCode { get; set; }
+        public string? ShippingCountry { get; set; } = "United Kingdom";
+        public string? Notes { get; set; }
+        public string? SelectedCurrency { get; set; }
+        public bool UsePGPEncryption { get; set; }
+        public OrderFlowStep CurrentStep { get; set; } = OrderFlowStep.CollectingName;
+    }
+    
+    public enum OrderFlowStep
+    {
+        CollectingName,
+        CollectingAddress,
+        CollectingCity,
+        CollectingPostCode,
+        CollectingCountry,
+        CollectingNotes,
+        ReviewingOrder,
+        SelectingPaymentMethod,
+        ProcessingPayment,
+        Complete
+    }
+    
+    public enum SessionState
+    {
+        MainMenu,
+        BrowsingCategories,
+        ViewingProducts,
+        ViewingProduct,
+        ViewingCart,
+        CheckoutFlow,
+        ViewingOrders,
+        ViewingOrder,
+        PrivacySettings,
+        Help
+    }
+}