Primary Use Case: Group Payment & Coupon Redemption

Background Overview

Group buying and coupon redemption are popular social commerce features. Without proper integration, these features are manual and error-prone. This primary use case describes group payment processing, coupon management, and progress tracking for social commerce.

Goals & Value

• Instant Payment: Fast and secure group payment processing.
• Coupon Management: Efficient coupon issuance and redemption.
• Transparent Progress: Clear visibility into group buying progress.
• User Experience: Smooth redemption and payment experience.

Participating Roles

• E-commerce Operations: Manage group buying and coupons.
• Customer Service: Handle group payment and coupon issues.
• Finance: Track payments and coupon redemptions.
• Marketing: Design coupon campaigns and group deals.
• IT Team: Maintain payment and coupon systems.

Primary Scenario User Story

As a customer, I want to join group purchases and redeem coupons easily, so that I can take advantage of special offers and share deals with friends.

Sub-scenario Details

Sub-scenario A: Group Purchase Setup

• Roles & Triggers: Need to create group buying campaigns.
• Main Process:
  1. Define group buying terms (price, minimum participants).
  2. Launch group buying campaign.
  3. Track participant count and progress.
  4. Complete group purchase when threshold met.
• Success Criteria: Clear terms; accurate tracking; successful completion.
• Exceptions & Risk Control: Threshold confusion; tracking errors; completion failures.
• **Metric Suggestions: Group completion rate, participant tracking accuracy, campaign success.

Sub-scenario B: Payment Processing

• Roles & Triggers: Process payments for group purchases.
• Main Process:
  1. Collect payments from participants.
  2. Hold payments until group threshold met.
  3. Process payments when group is complete.
  4. Handle refunds for incomplete groups.
• Success Criteria: Secure payment collection; proper handling; timely refunds.
• Exceptions & Risk Control: Payment failures; refund delays; security issues.
• **Metric Suggestions: Payment success rate, refund processing time, security incidents.

Sub-scenario C: Coupon Management

• Roles & Triggers: Need to manage coupon lifecycle.
• Main Process:
  1. Create and distribute coupons.
  2. Track coupon usage and redemption.
  3. Validate coupons at checkout.
  4. Expire unused coupons.
• Success Criteria: Proper coupon validation; accurate tracking; timely expiration.
• Exceptions & Risk Control: Coupon fraud; validation errors; tracking issues.
• **Metric Suggestions: Redemption accuracy, fraud prevention, tracking completeness.

Sub-scenario D: Progress & Communication

• Roles & Triggers: Need to communicate group progress.
• Main Process:
  1. Show group buying progress to participants.
  2. Send notifications for milestones.
  3. Encourage participation to meet thresholds.
  4. Communicate final outcomes.
• Success Criteria: Clear progress visibility; timely communication; effective encouragement.
• Exceptions & Risk Control: Communication failures; unclear progress; notification issues.
• **Metric Suggestions: Communication effectiveness, notification delivery, participation rate.

Scenario-level Test Case Examples

Test Preparation: Prepare group buying platform, payment gateway, coupon management system, and notification services.

Test Case A-1: Group Purchase Participation (Positive)

• Prerequisites: Group buying campaign active.
• Steps:
  1. Customer joins group purchase.
  2. Makes payment.
• Expected Results:
  • Customer successfully joined group.
  • Payment processed securely.
  • Progress updated in real-time.

Test Case B-1: Coupon Redemption (Negative)

• Prerequisites: Customer has valid coupon.
• Steps:
  1. Customer attempts to redeem coupon.
  2. System validates coupon.
• Expected Results:
  • Coupon validated successfully.
  • Discount applied at checkout.
  • Coupon marked as used.

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