This document outlines the key user journeys and customer experience flows in the Django Ecommerce API, providing detailed flowcharts and interaction patterns.
- Customer Journey Overview
- Guest User Journey
- Registered Customer Journey
- Admin User Journey
- Mobile App Journey
- Error Handling Flows
- Accessibility Considerations
journey
title Customer Lifecycle Journey
section Discovery
Visit Website: 5: Guest
Browse Products: 4: Guest
View Product Details: 4: Guest
Add to Wishlist: 3: Guest
section Registration
Create Account: 3: Guest
Email Verification: 2: Customer
Profile Setup: 4: Customer
section Shopping
Add to Cart: 5: Customer
Apply Coupons: 4: Customer
Review Cart: 4: Customer
Checkout Process: 3: Customer
section Post-Purchase
Order Confirmation: 5: Customer
Track Order: 4: Customer
Receive Product: 5: Customer
Leave Review: 3: Customer
section Retention
Repeat Purchase: 5: Customer
Loyalty Program: 4: Customer
Referral: 4: Customer
flowchart TD
START([User Visits Website]) --> BROWSE{Browse Products?}
BROWSE -->|Yes| CATEGORY[Select Category]
BROWSE -->|No| SEARCH[Use Search]
CATEGORY --> FILTER[Apply Filters]
SEARCH --> RESULTS[View Results]
FILTER --> RESULTS
RESULTS --> PRODUCT[Select Product]
PRODUCT --> DETAILS[View Product Details]
DETAILS --> VARIANTS{Has Variants?}
VARIANTS -->|Yes| SELECT_VARIANT[Select Variant]
VARIANTS -->|No| REVIEWS[Read Reviews]
SELECT_VARIANT --> REVIEWS
REVIEWS --> ACTION{User Action?}
ACTION -->|Add to Cart| GUEST_CART[Guest Cart]
ACTION -->|Add to Wishlist| REGISTER_PROMPT[Registration Prompt]
ACTION -->|Share Product| SHARE[Share Product]
ACTION -->|Continue Shopping| BROWSE
GUEST_CART --> CHECKOUT_OPTION{Checkout Options}
CHECKOUT_OPTION -->|Guest Checkout| GUEST_CHECKOUT[Guest Checkout]
CHECKOUT_OPTION -->|Create Account| REGISTER[Register & Checkout]
REGISTER_PROMPT --> REGISTER
REGISTER --> CUSTOMER_JOURNEY[Registered Customer Journey]
SHARE --> SOCIAL[Social Media Share]
SOCIAL --> BROWSE
GUEST_CHECKOUT --> PAYMENT[Payment Process]
PAYMENT --> CONFIRMATION[Order Confirmation]
style START fill:#e8f5e8
style CUSTOMER_JOURNEY fill:#fff2cc
style CONFIRMATION fill:#e8f5e8
sequenceDiagram
participant G as Guest User
participant API as Django API
participant CART as Cart Service
participant ORDER as Order Service
participant PAYMENT as Payment Gateway
participant EMAIL as Email Service
G->>API: View cart
API->>CART: Get cart items
CART->>API: Cart contents
API->>G: Display cart
G->>API: Proceed to checkout
API->>G: Guest checkout form
G->>API: Submit guest info + shipping
API->>API: Validate guest data
API->>API: Calculate totals
API->>G: Order summary
G->>API: Confirm order + payment
API->>ORDER: Create guest order
API->>PAYMENT: Process payment
alt Payment Success
PAYMENT->>API: Payment confirmed
API->>ORDER: Update order status
API->>EMAIL: Send confirmation
API->>G: Order confirmation
EMAIL->>G: Email confirmation
else Payment Failed
PAYMENT->>API: Payment failed
API->>ORDER: Mark order failed
API->>G: Payment error + retry
end
flowchart TD
START([Registration Started]) --> METHOD{Registration Method}
METHOD -->|Email| EMAIL_FORM[Email Registration Form]
METHOD -->|Social| SOCIAL_AUTH[Social Media Auth]
METHOD -->|Guest Upgrade| GUEST_CONVERT[Convert Guest to Customer]
EMAIL_FORM --> VALIDATE[Validate Form Data]
SOCIAL_AUTH --> SOCIAL_PROFILE[Get Social Profile]
GUEST_CONVERT --> EXISTING_DATA[Use Existing Cart Data]
VALIDATE --> DUPLICATE{Email Exists?}
DUPLICATE -->|Yes| LOGIN_PROMPT[Prompt to Login]
DUPLICATE -->|No| CREATE_ACCOUNT[Create Account]
SOCIAL_PROFILE --> CREATE_ACCOUNT
EXISTING_DATA --> CREATE_ACCOUNT
CREATE_ACCOUNT --> VERIFY_EMAIL[Send Verification Email]
VERIFY_EMAIL --> PENDING[Account Pending]
PENDING --> VERIFY_CLICK[User Clicks Email Link]
VERIFY_CLICK --> ACTIVATE[Activate Account]
ACTIVATE --> ONBOARDING[Onboarding Flow]
ONBOARDING --> PROFILE_SETUP[Complete Profile]
PROFILE_SETUP --> PREFERENCES[Set Preferences]
PREFERENCES --> WELCOME[Welcome Dashboard]
LOGIN_PROMPT --> LOGIN[Login Process]
LOGIN --> WELCOME
WELCOME --> SHOPPING[Start Shopping]
style START fill:#e8f5e8
style WELCOME fill:#fff2cc
style SHOPPING fill:#e8f5e8
flowchart TD
LOGIN([User Logged In]) --> DASHBOARD[Customer Dashboard]
DASHBOARD --> BROWSE[Browse Products]
DASHBOARD --> WISHLIST[View Wishlist]
DASHBOARD --> ORDERS[Order History]
DASHBOARD --> PROFILE[Profile Settings]
BROWSE --> PRODUCT[Select Product]
PRODUCT --> PERSONALIZED[Personalized Recommendations]
PERSONALIZED --> ADD_CART[Add to Cart]
ADD_CART --> CART[View Cart]
CART --> SAVED_ADDRESSES{Saved Addresses?}
SAVED_ADDRESSES -->|Yes| SELECT_ADDRESS[Select Address]
SAVED_ADDRESSES -->|No| NEW_ADDRESS[Add New Address]
SELECT_ADDRESS --> PAYMENT_METHODS{Saved Payment Methods?}
NEW_ADDRESS --> PAYMENT_METHODS
PAYMENT_METHODS -->|Yes| SELECT_PAYMENT[Select Payment Method]
PAYMENT_METHODS -->|No| NEW_PAYMENT[Add Payment Method]
SELECT_PAYMENT --> REVIEW_ORDER[Review Order]
NEW_PAYMENT --> REVIEW_ORDER
REVIEW_ORDER --> APPLY_REWARDS{Loyalty Points?}
APPLY_REWARDS -->|Yes| USE_POINTS[Apply Points/Rewards]
APPLY_REWARDS -->|No| PLACE_ORDER[Place Order]
USE_POINTS --> PLACE_ORDER
PLACE_ORDER --> ORDER_CONFIRM[Order Confirmation]
ORDER_CONFIRM --> TRACK[Track Order]
TRACK --> DELIVERY[Delivery]
DELIVERY --> REVIEW_PRODUCT[Product Review]
WISHLIST --> PRODUCT
ORDERS --> REORDER[Reorder Items]
REORDER --> CART
PROFILE --> UPDATE_INFO[Update Information]
UPDATE_INFO --> DASHBOARD
style LOGIN fill:#e8f5e8
style ORDER_CONFIRM fill:#fff2cc
style REVIEW_PRODUCT fill:#e8f5e8
stateDiagram-v2
[*] --> LoggedOut
LoggedOut --> Authenticating: Login Attempt
Authenticating --> LoggedIn: Success
Authenticating --> LoggedOut: Failed
LoggedIn --> ViewingProfile: View Profile
LoggedIn --> ManagingAddresses: Manage Addresses
LoggedIn --> ManagingPayments: Manage Payments
LoggedIn --> ViewingOrders: View Orders
LoggedIn --> Shopping: Continue Shopping
ViewingProfile --> UpdatingProfile: Edit Profile
UpdatingProfile --> ViewingProfile: Save Changes
ManagingAddresses --> AddingAddress: Add New Address
ManagingAddresses --> EditingAddress: Edit Address
ManagingAddresses --> DeletingAddress: Delete Address
AddingAddress --> ManagingAddresses: Address Saved
EditingAddress --> ManagingAddresses: Changes Saved
DeletingAddress --> ManagingAddresses: Address Removed
ManagingPayments --> AddingPayment: Add Payment Method
ManagingPayments --> RemovingPayment: Remove Payment Method
AddingPayment --> ManagingPayments: Payment Saved
RemovingPayment --> ManagingPayments: Payment Removed
ViewingOrders --> ViewingOrderDetail: Select Order
ViewingOrderDetail --> TrackingOrder: Track Order
ViewingOrderDetail --> ReturningOrder: Return Order
ViewingOrderDetail --> ReviewingOrder: Write Review
Shopping --> AddingToCart: Add Products
AddingToCart --> Checkout: Proceed to Checkout
Checkout --> OrderPlaced: Complete Purchase
OrderPlaced --> ViewingOrders: View Order
LoggedIn --> LoggedOut: Logout
flowchart TD
ADMIN_LOGIN([Admin Login]) --> DASHBOARD[Admin Dashboard]
DASHBOARD --> ANALYTICS[View Analytics]
DASHBOARD --> PRODUCTS[Manage Products]
DASHBOARD --> ORDERS[Manage Orders]
DASHBOARD --> CUSTOMERS[Manage Customers]
DASHBOARD --> CONTENT[Manage Content]
DASHBOARD --> SETTINGS[System Settings]
ANALYTICS --> SALES_REPORT[Sales Reports]
ANALYTICS --> USER_ANALYTICS[User Analytics]
ANALYTICS --> INVENTORY_REPORT[Inventory Reports]
PRODUCTS --> PRODUCT_LIST[Product List]
PRODUCT_LIST --> ADD_PRODUCT[Add New Product]
PRODUCT_LIST --> EDIT_PRODUCT[Edit Product]
PRODUCT_LIST --> INVENTORY[Manage Inventory]
ADD_PRODUCT --> PRODUCT_DETAILS[Enter Product Details]
PRODUCT_DETAILS --> UPLOAD_IMAGES[Upload Images]
UPLOAD_IMAGES --> SET_PRICING[Set Pricing]
SET_PRICING --> PUBLISH[Publish Product]
ORDERS --> ORDER_LIST[Order List]
ORDER_LIST --> ORDER_DETAIL[View Order Details]
ORDER_DETAIL --> UPDATE_STATUS[Update Order Status]
ORDER_DETAIL --> PROCESS_REFUND[Process Refund]
ORDER_DETAIL --> CONTACT_CUSTOMER[Contact Customer]
CUSTOMERS --> CUSTOMER_LIST[Customer List]
CUSTOMER_LIST --> CUSTOMER_DETAIL[Customer Details]
CUSTOMER_DETAIL --> CUSTOMER_ORDERS[Customer Orders]
CUSTOMER_DETAIL --> CUSTOMER_SUPPORT[Customer Support]
CONTENT --> CATEGORIES[Manage Categories]
CONTENT --> PROMOTIONS[Manage Promotions]
CONTENT --> EMAILS[Email Templates]
SETTINGS --> USER_ROLES[User Roles]
SETTINGS --> PAYMENT_CONFIG[Payment Configuration]
SETTINGS --> SHIPPING_CONFIG[Shipping Configuration]
style ADMIN_LOGIN fill:#ffe6e6
style DASHBOARD fill:#fff2cc
style PUBLISH fill:#e8f5e8
stateDiagram-v2
[*] --> NewOrder
NewOrder --> Processing: Admin Reviews
NewOrder --> Cancelled: Customer Cancels
Processing --> PaymentPending: Awaiting Payment
Processing --> Confirmed: Payment Confirmed
PaymentPending --> Confirmed: Payment Received
PaymentPending --> Cancelled: Payment Failed
Confirmed --> Preparing: Start Fulfillment
Preparing --> Shipped: Package Shipped
Shipped --> InTransit: In Transit
InTransit --> Delivered: Package Delivered
Delivered --> Completed: Customer Satisfied
Delivered --> ReturnRequested: Return Requested
ReturnRequested --> ReturnApproved: Admin Approves
ReturnRequested --> ReturnDenied: Admin Denies
ReturnApproved --> ReturnReceived: Product Returned
ReturnReceived --> Refunded: Refund Processed
Cancelled --> [*]
Completed --> [*]
Refunded --> [*]
flowchart TD
OPEN_APP([Open Mobile App]) --> SPLASH[Splash Screen]
SPLASH --> ONBOARDING{First Time?}
ONBOARDING -->|Yes| INTRO[App Introduction]
ONBOARDING -->|No| AUTH_CHECK{Logged In?}
INTRO --> PERMISSIONS[Request Permissions]
PERMISSIONS --> AUTH_CHECK
AUTH_CHECK -->|Yes| HOME[Home Screen]
AUTH_CHECK -->|No| AUTH_SCREEN[Login/Register]
AUTH_SCREEN --> BIOMETRIC{Biometric Available?}
BIOMETRIC -->|Yes| SETUP_BIOMETRIC[Setup Biometric Auth]
BIOMETRIC -->|No| HOME
SETUP_BIOMETRIC --> HOME
HOME --> CATEGORIES[Browse Categories]
HOME --> SEARCH[Search Products]
HOME --> SCAN_BARCODE[Scan Barcode]
HOME --> PROFILE[Profile]
HOME --> CART[Shopping Cart]
SCAN_BARCODE --> PRODUCT_FOUND{Product Found?}
PRODUCT_FOUND -->|Yes| PRODUCT_DETAIL[Product Details]
PRODUCT_FOUND -->|No| SEARCH
CATEGORIES --> PRODUCT_LIST[Product List]
SEARCH --> PRODUCT_LIST
PRODUCT_LIST --> PRODUCT_DETAIL
PRODUCT_DETAIL --> SWIPE_IMAGES[Swipe Product Images]
SWIPE_IMAGES --> ZOOM[Pinch to Zoom]
ZOOM --> ADD_TO_CART[Add to Cart]
ADD_TO_CART --> CART_ANIMATION[Cart Animation]
CART_ANIMATION --> CONTINUE_SHOPPING[Continue Shopping]
CONTINUE_SHOPPING --> HOME
CART --> CHECKOUT_MOBILE[Mobile Checkout]
CHECKOUT_MOBILE --> PAYMENT_MOBILE[Mobile Payment]
PAYMENT_MOBILE --> APPLE_PAY{Apple/Google Pay?}
APPLE_PAY -->|Yes| QUICK_PAY[Quick Payment]
APPLE_PAY -->|No| CARD_FORM[Card Form]
QUICK_PAY --> ORDER_SUCCESS[Order Success]
CARD_FORM --> ORDER_SUCCESS
ORDER_SUCCESS --> PUSH_NOTIFICATION[Push Notification Setup]
PUSH_NOTIFICATION --> TRACK_ORDER[Track Order]
style OPEN_APP fill:#e8f5e8
style QUICK_PAY fill:#fff2cc
style ORDER_SUCCESS fill:#e8f5e8
sequenceDiagram
participant U as User
participant APP as Mobile App
participant API as Django API
participant PAYMENT as Payment Gateway
participant PUSH as Push Service
U->>APP: Tap Checkout
APP->>API: Get checkout data
API->>APP: Checkout form (mobile-optimized)
APP->>U: Show simplified form
U->>APP: Auto-fill with saved data
APP->>APP: Validate form locally
U->>APP: Select payment method
APP->>APP: Check for biometric auth
APP->>U: Biometric authentication
U->>APP: Authenticate
APP->>API: Submit order
API->>PAYMENT: Process payment
PAYMENT->>API: Payment result
alt Payment Success
API->>APP: Order confirmation
APP->>PUSH: Schedule notifications
APP->>U: Success animation
PUSH->>U: Order confirmation push
else Payment Failed
API->>APP: Payment error
APP->>U: Error message + retry
end
flowchart TD
ERROR_OCCURRED([Error Occurred]) --> ERROR_TYPE{Error Type}
ERROR_TYPE -->|Network| NETWORK_ERROR[Network Error]
ERROR_TYPE -->|Validation| VALIDATION_ERROR[Validation Error]
ERROR_TYPE -->|Authentication| AUTH_ERROR[Authentication Error]
ERROR_TYPE -->|Server| SERVER_ERROR[Server Error]
ERROR_TYPE -->|Payment| PAYMENT_ERROR[Payment Error]
NETWORK_ERROR --> RETRY_PROMPT[Show Retry Button]
RETRY_PROMPT --> RETRY_ACTION[User Retries]
RETRY_ACTION --> NETWORK_CHECK{Network Available?}
NETWORK_CHECK -->|Yes| RESUME[Resume Process]
NETWORK_CHECK -->|No| OFFLINE_MODE[Offline Mode]
VALIDATION_ERROR --> HIGHLIGHT_FIELDS[Highlight Invalid Fields]
HIGHLIGHT_FIELDS --> SHOW_HINTS[Show Helpful Hints]
SHOW_HINTS --> USER_CORRECTS[User Corrects Data]
USER_CORRECTS --> RESUME
AUTH_ERROR --> LOGOUT[Force Logout]
LOGOUT --> LOGIN_REQUIRED[Redirect to Login]
LOGIN_REQUIRED --> SAVE_STATE[Save Current State]
SAVE_STATE --> RESTORE_STATE[Restore After Login]
SERVER_ERROR --> ERROR_PAGE[Show Error Page]
ERROR_PAGE --> CONTACT_SUPPORT[Contact Support Option]
ERROR_PAGE --> TRY_AGAIN[Try Again Later]
PAYMENT_ERROR --> PAYMENT_RETRY[Payment Retry Options]
PAYMENT_RETRY --> DIFFERENT_METHOD[Try Different Method]
PAYMENT_RETRY --> SAVE_FOR_LATER[Save Order for Later]
OFFLINE_MODE --> SYNC_LATER[Sync When Online]
RESUME --> SUCCESS[Process Completed]
RESTORE_STATE --> RESUME
DIFFERENT_METHOD --> RESUME
style ERROR_OCCURRED fill:#ffe6e6
style SUCCESS fill:#e8f5e8
stateDiagram-v2
[*] --> NormalOperation
NormalOperation --> MinorError: Validation/UI Error
NormalOperation --> MajorError: Network/Server Error
NormalOperation --> CriticalError: Auth/Security Error
MinorError --> ShowTooltip: Display Help
ShowTooltip --> UserCorrects: User Action
UserCorrects --> NormalOperation: Success
UserCorrects --> MinorError: Still Invalid
MajorError --> ShowRetry: Display Retry Option
ShowRetry --> RetryAttempt: User Retries
RetryAttempt --> NormalOperation: Success
RetryAttempt --> OfflineMode: Still Failing
OfflineMode --> QueueActions: Cache Actions
QueueActions --> SyncWhenOnline: Network Returns
SyncWhenOnline --> NormalOperation: Sync Complete
CriticalError --> ForceLogout: Security Measure
ForceLogout --> RequireReauth: Need New Auth
RequireReauth --> NormalOperation: Auth Success
RequireReauth --> [*]: Auth Failed
flowchart TD
ACCESSIBILITY([Accessibility Features]) --> VISUAL[Visual Accessibility]
ACCESSIBILITY --> MOTOR[Motor Accessibility]
ACCESSIBILITY --> COGNITIVE[Cognitive Accessibility]
ACCESSIBILITY --> AUDITORY[Auditory Accessibility]
VISUAL --> HIGH_CONTRAST[High Contrast Mode]
VISUAL --> LARGE_TEXT[Large Text Options]
VISUAL --> SCREEN_READER[Screen Reader Support]
VISUAL --> COLOR_BLIND[Color Blind Friendly]
MOTOR --> KEYBOARD_NAV[Keyboard Navigation]
MOTOR --> VOICE_CONTROL[Voice Control]
MOTOR --> LARGE_TARGETS[Large Touch Targets]
MOTOR --> GESTURE_ALT[Alternative Gestures]
COGNITIVE --> SIMPLE_LANG[Simple Language]
COGNITIVE --> CLEAR_STRUCTURE[Clear Structure]
COGNITIVE --> PROGRESS_INDICATORS[Progress Indicators]
COGNITIVE --> ERROR_PREVENTION[Error Prevention]
AUDITORY --> VISUAL_ALERTS[Visual Alerts]
AUDITORY --> CAPTIONS[Video Captions]
AUDITORY --> TRANSCRIPT[Audio Transcripts]
HIGH_CONTRAST --> TESTING[Accessibility Testing]
LARGE_TEXT --> TESTING
SCREEN_READER --> TESTING
KEYBOARD_NAV --> TESTING
SIMPLE_LANG --> TESTING
VISUAL_ALERTS --> TESTING
TESTING --> COMPLIANCE[WCAG 2.1 AA Compliance]
COMPLIANCE --> USER_FEEDBACK[User Feedback Loop]
style ACCESSIBILITY fill:#e8f5e8
style COMPLIANCE fill:#fff2cc
This comprehensive user journey documentation ensures that the Django Ecommerce API provides excellent user experiences across all user types and interaction methods, with proper consideration for accessibility and error handling.