This document provides an overview of the design patterns used in a real-time e-commerce web application called PakMall.com. It discusses the application of various design patterns across different modules like the product catalog, product searching, shopping cart, wish list, and discounts/coupons. The document describes the database structure, business logic classes, and presentation components used to implement these features. It emphasizes principles like code reuse, separation of concerns, and following best practices in application design.

1. In the name of Allah the beneficent and merciful
www.pakmall.com
Real-time e-Commerce Web Application
1

2. Project Supervisor
Mr. Bilal Ahmad
Student Name: Syed Hassan Abbas
2

3. Design Patterns
Design Patterns 3

4. Design Patterns 4

5. User
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 5

6. Design Patterns 6

7. Overview
Priorities
7

8. The Four C’s
8

9. PakMall.com
 Generic Services  Affiliates And Partners
 Product Catalog  Administration
 Product Searching  conclusion
 Shopping Cart
 The Wish List
 Discounting, Coupons And Sales
 Order Tracking And Fulfillment
 Community Building
9

10. Generic Services Component.dll
Generic Services 10

11. User
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
•Maximize Code Reuse
•Enforce Design Patterns and Best Practices
Service Interfaces
•Provide Common Functionality
•Provide Development Sandbox
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 11

12. User
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
ASPX Pages
UI Process Components (ITemplates)
Server Controls User Controls Business
Objects
Service Interfaces
Business DataSource-Agnostic
Business
Workflows Persistable Objects Business Entities
Components
XML Container Components
Data Access SQL Container Gateways
Services Oracle
Container
Data
Services
Sources 12

13. Assembly Design
User
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 13

14. User
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 14

15. User
Monitoring Services
 Tracing Components (User / web / Server Controls)
Data Services
Monitoring Services
Security Services
Configuration Services
UI
 logging events Components (ITemplates)
UI Process
 Error logging
 Custom exception Interfaces
Service
 Globalize customBusiness
Business
Workflows
errors Business Entities
Components
Data Access Components Services Gateways
Data
Services
Sources 15

16. User
The Trace Problem
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 16

17. User
Standardized and Enhanced Tracing
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 17

18. Error logging to database
User
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 18

19. Monitoring Services 19

20. User
Security Services
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
Authenticator User
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
AuthUserEntry
Data Access Components Services Gateways
Data
Services
Sources 20

21. User
Configuration Services
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components ASPX /pages Server Controls)
(User web /
UI Process Components (ITemplates)
Service Interfaces
Business Business
Site Profile Business Entities
Workflows Components
Data Access Components Services Gateways
User Controls Lib Classes
Data
Services
Sources 21

22. Module 1 – Product Catalog
 Problems
 Speed (Fast & efficient)
 Flexibility (Expandable & changeable )
 Scalability (Scaling the size and contents)
 Reliability (5 9’s rule availability)
 Design
 Database
 Presentation tier
 Business tier
 Implementation
22

23. User
Product Catalog - Database
 ProductsUI Components (User / web / Server Controls)
Data Services
Monitoring Services
Security Services
Configuration Services
 Categories DB
UI Process Components (ITemplates)
 Product Attributes
Store Procedures
 SKUs and prices Service Interfaces
Container Managed Persistence
 Image Links
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 23

24. User
Store Procedures
 Gw_Select_Categories
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 Gw_Select_Category_ProductBrowseList
UI Process Components (ITemplates)
 Gw_Select_Product
 Gw_Select_Product_Images
Service Interfaces
 Gw_Select_Product_AttributeValues
Business Business
Business Entities
Workflows Components
 Gw_Select_Product_Skus
Data Access Components Services Gateways
 Gw_Select_RelatedProducts
Data
Services
Sources 24

25. User
Business and data Classes
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
ProductCatalog
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 25

26. User
The Presentation layer
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business ASPX Page
Business
Business Entities
Workflows Components
User Control Server Control Web Control
Data Access Components
ITemplate Services Gateways
Data
Services
Sources 26

27. User
Composite Controls & User Controls

Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
CategoryBrowsList ProductPricingBox
 Service InterfacesSkuItemTemplate
CategoryItemTemplate 
 ProductBowsList
Business Business RelatedProductDisplay

Business Entities
 Workflows Components RelatedProductTemplate
BrowsListSeparatorTemp 
late
 ProductItemTemplate
Data Access Components  LeftCategories.ascx
Services Gateways
 ProductAttributeDisplay  ProductDetailNavStrip.ascx
 ProductItemTemplate  TopCategoryDropDown.ascx
Data
Services
Sources 27

28. Module 2 – Product Searching
User
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 Quick Search
UI Process Components (ITemplates)
 Advance Search Service Interfaces
• SKU
• Name Business Business
Business Entities
• Description Workflows Components
• Price Range
• Category
Data Access Components Services Gateways
Data
Services
Sources 28

29. User
Store Procedures
 Gw_Product_QuickSearch
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 Gw_Product_AdvancedSearch
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 29

30. Module 3 – Shopping Cart
30

31. User
Cart - Database
 cartId UI Components (User / web / Server Controls)
Data Services
Monitoring Services
Security Services
Configuration Services
 CartItemId
UI Process Components (ITemplates)
 ProductId
 SKU Service Interfaces
 Quantity
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 31

32. User
Store Procedures
 Gw_Select_CartItems/ web / Server Controls)
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User
 Gw_Insert_CartItem
UI Process Components (ITemplates)
 Gw_Update_CartItem
 Gw_Delete_CartItem Interfaces
Service
 Gw_Convert_ShoppingCart Business Entities
Business
Workflows
Business
Components
Data Access Components Services Gateways
Data
Services
Sources 32

33. User
Shopping Cart Business Classes
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 UI Process Components (ITemplates)
CartManager
Service Interfaces
Business Business
Business Entities
Workflows Components
Methods
CartItem
DataDetermineCurrentCartId
 Access Components ServicesCartContents
 Gateways
 RemoveCartItem  CartMigration
 AddCartItem
 UpdateCartItem
Data
 getCartItem Services
Sources 33
 MigrateCart

34. Module 4 –The Wish List
 Problems
 The Impulse purchase
 The Planed Purchase
 Design
 Add
 Remove
 Comments
 Buy
 Implementation
34

35. User
Wishlist - Database
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Customer ID
Service Interfaces
Purchased
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 35

36. User
Store Procedures
 Gw_Insert_WishlistItem / Server Controls)
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web
 Gw_Update_WishlistItem (ITemplates)
UI Process Components
 Gw_Remove_WishlistItem
Service Interfaces
 Gw_Select_WishlistItem
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 36

37. User
The Wishlist Project
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
 WishlistManager
ServicesWishlistContents

Data Access Components Gateways
 Methods  WishlistItem
 GetWishlistcontents
 AddWishlistItem
Data
 RemoveWishlistItem
Sources
Services
37
 UpdateWishlistItem

38. Module 5 –Discounting, Coupons & sales
Discounting, Coupons & sales 38

39. User
Discounting & Coupons - Database
 Discounts
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 DescountValue
 ValueType UI Process Components (ITemplates)
 DiscountType
 ProductId Service Interfaces
 CategoryId
Business Business
 DiscountTypes
Workflows Components
Discounts Entities
Business Coupons
 Coupons
 OnceOnly
Data Access Components Services Gateways
Sales System
 Active
 ClaimCode
Data
Services
Sources 39

40. User
Store Procedures
 Gw_Insert_ClaimCoupon / Server Controls)
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web
 Gw_Select_Coupon
UI Process Components (ITemplates)
 Gw_Select_Coupon_Discount
Service Interfaces
 Gw_Select_Discount_From_Cart
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 40

41. User
The Sales Project (Business Logic layer)
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 CouponManager
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
 Methodes  SalesManager
DataGetCurrentClaimedCo Services Gateways
 Access Components  CouponDiscountSet
uponId
 DiscountSet
 GetCurrentClaimedCo
upon  CouponItem
Data
Services
Sources
 GetCouponDiscount 41
 ClaimCouponItem

42. User
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 42

43. Further Enhancements
 Category and product discount twice
 Encourage cross-sell discounts
 Session time grantee for once only coupon
 Direct Mailers
Discounting, Coupons & sales 43

44. Module 6 –Order Tracking and
Fulfillment
44

45. The Problem
 Record new orders
 Update existing orders
 Display order history
 Communicate between website and the
fulfillment system
Order Tracking and Fulfillment 45

46. The Order Pipeline
PakMall.com website Warehouse/Fulfillment System
Shopping Cart Checkout Checkout Accept Order
Review Review
Orders Data Store Perform Task
Update Order
Order Tracking and Fulfillment 46

47. User
Order Tracking - Database
 Order  OrderStatusChange
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 OrderId
 OrderItems
UI Process Components  StatusCode
(ITemplates)
 OrderItemId
 StatusDate
 OrderId
Service InterfacesStatusMessage

 SKU
 SpecialBusiness Business OrderStatusCode

Business Entities
 Workflows
Quantity Components StatusCode

 AdjustedPrice  Description
Data Access Components Services Gateways
 ItemDescription
Data
Services
Sources 47

48. User
Store Procedures
 Gw_Insert_Order
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 Gw_Insert_OrderItem
UI Process Components (ITemplates)
 Gw_Insert_OrderStatusChange
 Gw_Select_OrderStatusChange
Service Interfaces
 Gw_Select_OrderItems
Business Business
Business Entities
Workflows Components
 Gw_Select_OrderHistory
Data Access Components Services Gateways
Data
Services
Sources 48

49. User
The Order Client Project
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
 OrderClient Order
Data Access Components Services Gateways
 Methodes  OrderDetails
 SubmitOrder  OrderHistory
 GetOrderDetails
Data  OrderItem
 OrderHistory Services
Sources 49
 OrderStatusChange

50. Submit Order
Order Object
Submit XML message
Order Tracking and Fulfillment 50

51. User
Presentation Logic
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 51

52. Order Tracking and Fulfillment 52

53. Further Enhancements
 Fulfillment
 Integrated Status
 Refactorying
Order Tracking and Fulfillment 53

54. Fulfillment
Order Tracking and Fulfillment 54

55. Module 7 –Community Building
55

56. User
Community Building - Database
 Discussions  Reviews
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 ProductId  ReviewId
 MessageId UI Process Components  ProductId
(ITemplates)
 CustomerId  CustomerId
 Subject Service InterfacesReviewText

 Body Business Business
 RatingValue
Business Entities
 MessageDate
Workflows Components ReviewTitle

 ReviewDate
Data Access Components Services Gateways
 Anonymous
Data
Services
Sources 56

57. User
Store Procedures
 Gw_Insert_DiscussionItem
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 Gw_Select_ProductDiscussionItems
UI Process Components (ITemplates)
 Gw_Insert_ReviewItem
Service Interfaces
 Gw_Select_ProductReviews
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 57

58. User
The Wishlist Project
 DiscussionManager
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 Methodes
 GetDiscussionItem
UI Process Components (ITemplates)
 AddDiscussionItem
Service Interfaces
Business Business
Business Entities
Workflows Components
 ReviewManager DiscussionItem

Data Access Components Services Gateways
 Methodes  ReviewList
 GetProductReview  ReviewItem
 AddProductReview
Data  DiscussionItemSet
Services
Sources 58

59. User
Presentation Layer
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
 DiscussionItemList
Business Business
Business Entities
 DiscussionItemTemplate
Workflows Components
 ProductReviewList
Data Access Components Services Gateways
 RewiewItemTemplate
Data
Services
Sources 59

60. Further Enhancements
 Form software packages
 Recommendation System
 Profile System
 Internet vandalism
 Abuse &Taboo
 Administrator accept or rejects
 Profanity filter
 System overloaded by customers
Community Building 60

61. Module 8 –Affiliates and partners
 Reach of products
 Kinds of partnership
 Even Trade
 Cross-Sells and Commissions
 Affiliate
 Campaign
61

62. User
Affiliates & partners - Database
 Affiliates  Campaigns
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 AffiliateId  AffiliateId
 Name UI Process Components  CampaignId
(ITemplates)
 Notes  Description
 ContactName Service InterfacesRedirectUrl

 ContactAddress
Business Business Orders

Business Entities
 ContactCityContactCity
Workflows Components CampaignId (New)

 ContactState
Data Access Components Services Gateways
 ContactZip
 AffiliateKey
Data
Services
Sources 62

63. User
Store Procedures
 Gw_ SelectAffiliateCampaign Controls)
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server
 Gw_Insert_Order Components (ITemplates)
UI Process
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 63

64. User
The Affiliates Project
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
Business Business
Business Entities
Workflows Components
Data Access Components Services Gateways
Data
Services
Sources 64

65. Affiliates and partners 65

66. Module 9 –Administration
 Security
 Administrate and maintain
 Location
 Platform
 Access should be limited
 Resources
 Data integrity and
constraints
 Database
 Data entry operators
 Easy to use
 Individual administrative
users
 Network Configurations
66

67. Platform Alternatives
 Remoting
 Local Windows Forms
 Web Services
 ASP.NET Administration
Administration 67

68. ASP.NET Administration
Administration 68

69. User
Database Entities
Data Services
Monitoring Services
Security Services
Configuration Services
Global
UI Components (User / web / Server Controls)
IS
UI Process Components (ITemplates)
Product Product
OF
Attributes Service Interfaces
Belong to Product
Business
SKUs Business
Business Entities
Workflows Components
Categories Departments
Data Access Components Services Gateways
Discounts Order
Applies On
Data
Services
Sources 69

70. User
Store Procedures
 Gw_Insert_Category
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
 Gw_Insert_ProductAttributeListItems
 Gw_Insert_ProductAttributeLookupLists
UI Process Components (ITemplates)
 Gw_Insert_ProductAttributeTemplate
Service Interfaces
 GwInsert_ProductAttributeTemplateCategory
Business Business
 Gw_Insert_ProductAttributeValues
Workflows Components
Business Entities
Data Access Components Services Gateways
 Gw_Update_Category
 Gw_Update_Product
Data
Services
Sources 70

71. User
Presentation Layer
Data Services
Monitoring Services
Security Services
Configuration Services
UI Components (User / web / Server Controls)
UI Process Components (ITemplates)
Service Interfaces
 Categories.aspx
Business Business
 EditProduct.aspx Components Business Entities
Workflows
 ProductSKUs.aspx
Data Access Components Services Gateways
 ProductAttributes.aspx
 AdminHeader.ascx.cs
Data
Services
Sources 71

72. Security
<authentication mode="Windows" >
</authentication >
< identity impersonate="true"/ >
AdminHeader.ascx.cs
Administration 72

73. Conclusion
 Core Services  Affiliates And Partners
 Product Catalog  Administration
 Product Searching
 Shopping Cart
 The Wish List
 Discounting, Coupons
And Sales
 Order Tracking And
Fulfillment
 Community Building
Conclusion 73

74. 74

75. Any questions?
75