- Installed Prisma and @prisma/client in backend/ directory
- Initialized Prisma with PostgreSQL provider (Prisma 7.x)
- Created prisma/schema.prisma with Book and ReadingLog models
- Configured prisma.config.ts with DATABASE_URL from environment
- Added .gitignore for Prisma-generated files
Book model includes:
- All required fields (id, title, author, totalPages, coverUrl, deadlineDate, isPrimary, status)
- Timestamps (createdAt, updatedAt)
- Indexes on deadlineDate and status for query performance
- One-to-many relationship with ReadingLog
ReadingLog model includes:
- All required fields (id, bookId, logDate, currentPage)
- Timestamps (createdAt, updatedAt)
- Foreign key relationship to Book with cascade delete
- Unique constraint on (bookId, logDate) - one entry per book per day
- Indexes on bookId and logDate for query performance
All acceptance criteria met:
✅ Prisma installed in backend/
✅ Initialized with PostgreSQL provider
✅ schema.prisma defines Book and ReadingLog models
✅ Appropriate indexes for performance
✅ One-to-many relationship defined
✅ Unique constraint ensures one log entry per book per day
Schema validated with npx prisma format
🤖 Generated with Claude Code (https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>