136 lines
4.2 KiB
Markdown
136 lines
4.2 KiB
Markdown
# DBManager Implementation Summary
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## Overview
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Complete database management CLI tool for SCAR Chat user administration.
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## Files Created (5 files, ~580 LOC)
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1. **dbmanager/CMakeLists.txt** - Build configuration
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2. **dbmanager/db_manager.h** - DBManager class interface
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3. **dbmanager/db_manager.cpp** - DBManager implementation (~350 LOC)
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4. **dbmanager/main.cpp** - Command-line interface (~180 LOC)
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5. **dbmanager/README.md** - Complete documentation
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## Files Modified
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1. **server/database/database.h** - Added 6 new methods
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2. **server/database/database.cpp** - Implemented 6 new methods (~200 LOC)
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3. **CMakeLists.txt** - Added dbmanager subdirectory
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4. **build_and_test.sh** - Integrated dbmanager into setup
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5. **QUICKSTART.md** - Replaced manual SQL with dbmanager
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6. **README.md** - Added Database Management section
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7. **PROGRESS.md** - Added dbmanager feature tracking
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8. **PROGRESS-DBMANAGER.md** - Created separate progress tracker
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## New Database Methods
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Added to `server/database/database.{h,cpp}`:
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1. `deleteUser(username)` - Delete user from database
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2. `updateUserPassword(username, hash, salt)` - Change password with new salt
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3. `updateUserAvatar(username, avatar_data)` - Update avatar blob
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4. `updateUserEmail(username, email)` - Update email field
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5. `updateUserRole(username, role)` - Update role field
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6. `searchUsers(field, value)` - Search with LIKE pattern
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7. `getAllUsers()` - Retrieve all users ordered by username
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## Commands Implemented
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All 9 commands from specification:
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1. ✅ `adduser <username> <password> [avatar]`
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2. ✅ `deleteuser <username>`
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3. ✅ `modifypass <username> <newpass>`
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4. ✅ `modifyavatar <username> <file>`
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5. ✅ `modifyemail <username> <email>`
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6. ✅ `modifyrole <username> <role>`
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7. ✅ `fetch <username>`
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8. ✅ `search <field> <value>`
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9. ✅ `list`
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## Features
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- **Password Security**: Automatic Argon2 hashing with random salt generation
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- **Database Location**: Auto-detection (local → install → home) with `--db` override
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- **Avatar Support**: Binary blob storage from image files
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- **Formatted Output**: Table layout for list, detailed display for fetch
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- **Error Handling**: Comprehensive validation and error messages
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- **Help System**: `--help` flag and usage documentation
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## Database Location Priority
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1. `--db <path>` command-line option
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2. Current working directory (`./scarchat.db`)
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3. Install path (`/usr/local/share/scarchat/scarchat.db`)
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4. User home (`~/.local/share/scarchat/scarchat.db`)
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5. Fallback to `./scarchat.db` (creates if missing)
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## Example Usage
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```bash
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# Create admin
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./dbmanager adduser admin secure123
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./dbmanager modifyrole admin admin
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./dbmanager modifyemail admin admin@localhost
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# Create users with avatars
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./dbmanager adduser alice pass123 /home/alice/avatar.jpg
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./dbmanager adduser bob pass456 /home/bob/avatar.png
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# Query operations
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./dbmanager list
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./dbmanager search role admin
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./dbmanager fetch alice
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# Modify users
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./dbmanager modifypass alice newpassword
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./dbmanager modifyemail bob bob@example.com
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# Custom database location
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./dbmanager --db /custom/path/db.db list
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```
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## Integration with Build System
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- Added to root `CMakeLists.txt` as subdirectory
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- Links against `scarchat_shared` library (Database, Argon2, JWT)
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- Builds with server/client: `cmake --build build`
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- Binary output: `build/dbmanager/dbmanager`
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- Integrated into `build_and_test.sh` for automated setup
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## Testing Strategy
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The build script now:
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1. Builds dbmanager with rest of project
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2. Uses dbmanager to create test user `testuser:testpass`
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3. Eliminates manual SQL requirement
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4. Verifies database creation and Argon2 hashing
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## Documentation
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Complete documentation in `dbmanager/README.md`:
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- Usage examples for all commands
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- Security details (Argon2 parameters)
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- Database schema reference
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- Troubleshooting guide
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- Batch operation examples
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- Integration script templates
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## Status
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🟢 **COMPLETE** - All requirements from dbmanager.md specification implemented
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Ready to use for:
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- User administration
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- Testing setup
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- Production user management
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- Batch operations
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- Integration with external tools
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---
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**Total Project Files**: 58 files
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**DBManager Files**: 5 files
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**DBManager LOC**: ~580 lines
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**Database Methods Added**: 7 methods, ~200 LOC
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