Changelog

All notable changes to the Mattermost PDF Dekont Parser Plugin project are documented here.

Table of contents

1. Release Format
2. [Unreleased]
   1. 🎯 Planned Features
   2. 🔄 In Progress
3. [1.0.0] - 2025-07-30
   1. ✨ Added
      1. Core Features
      2. Supported Banks
      3. Technical Implementation
      4. Extracted Information Format
   2. 🏗️ Infrastructure
   3. 📁 Project Structure
   4. 🔒 Security Features
   5. 📊 Performance Characteristics
4. Release Statistics
   1. v1.0.0 Metrics
   2. Bank Support Timeline
5. Development History
   1. Pre-Release Development
      1. Phase 1: Core Implementation (July 2025)
      2. Phase 2: Bank Support (July 2025)
      3. Phase 3: Quality & Testing (July 2025)
      4. Phase 4: Release Preparation (July 2025)
6. Upgrade Guide
   1. From Development to v1.0.0
7. Known Issues
   1. v1.0.0 Known Limitations
   2. Workarounds
8. Future Roadmap
   1. v1.1.0 (Planned)
   2. v1.2.0 (Proposed)
   3. v2.0.0 (Future)
9. Contributing to Releases
   1. Release Process
   2. Release Criteria
10. Support and Feedback
    1. Release-Related Issues
    2. Stay Updated
11. Download Latest Release

Release Format

This project follows Semantic Versioning:

• MAJOR version for incompatible API changes
• MINOR version for backwards-compatible functionality additions
• PATCH version for backwards-compatible bug fixes

The format is based on Keep a Changelog.

[Unreleased]

🎯 Planned Features

• VakıfBank receipt format support
• Halkbank receipt format support
• Enhanced error messages with suggestions
• Plugin configuration UI
• Multi-language support (English/Turkish)

🔄 In Progress

• Performance optimizations for large PDFs
• Extended test coverage for edge cases
• Documentation improvements

[1.0.0] - 2025-07-30

✨ Added

• Initial Plugin Release: Complete Mattermost plugin implementation
• PDF Text Extraction: Using github.com/ledongthuc/pdf library
• Turkish Bank Support: Recognition for major Turkish banks
• Field Extraction: Automatic parsing of key transaction fields
• Real-time Processing: Immediate extraction and message updates
• Error Handling: Comprehensive error management and logging

Core Features

• Automatic Detection: Monitors PDF file uploads in all channels
• Multi-format Support: Handles various Turkish bank receipt formats
• Field Recognition: Extracts Alıcı, Açıklama, and İşlem Tutarı fields
• Turkish Character Support: Full Unicode support for Turkish text
• Resource Management: Automatic cleanup of temporary files

Supported Banks

• ✅ Türkiye İş Bankası: EFT, Havale receipts
• ✅ Garanti BBVA: Standard transfer receipts
• ✅ Akbank: Online banking receipts
• ✅ Yapı Kredi: Transfer confirmations
• ✅ Ziraat Bankası: Government bank receipts

Technical Implementation

📄 PDF Processing Pipeline:
├── File Upload Detection
├── PDF Validation & Download
├── Text Extraction
├── Pattern Matching (Regex)
├── Field Cleaning & Validation
└── Message Update with Results

Extracted Information Format

📄 PDF Dekont Bilgileri:
━━━━━━━━━━━━━━━━━━━━━━━━━━

👤 Alıcı: [Recipient Name]
📝 Açıklama: [Transaction Description]  
💰 İşlem Tutarı: [Amount with Currency]

━━━━━━━━━━━━━━━━━━━━━━━━━━

🏗️ Infrastructure

• CI/CD Pipeline: GitHub Actions with multi-platform builds
• Code Quality: golangci-lint, SonarCloud integration
• Security Scanning: Gosec, Trivy vulnerability scanning
• Testing: Comprehensive unit tests with benchmarks
• Documentation: Complete setup and usage guides

📁 Project Structure

mattermost-dekont-plugin/
├── plugin.go              # Main plugin logic
├── plugin_test.go         # Test suite
├── plugin.json           # Plugin manifest
├── Makefile              # Build automation
├── .github/              # CI/CD and templates
├── docs/                 # Documentation
└── README.md             # Project overview

🔒 Security Features

• Input Validation: PDF format and size validation
• No Data Storage: In-memory processing only
• Resource Limits: Maximum file size and processing time
• Clean Logging: No sensitive information in logs

📊 Performance Characteristics

• Small PDFs (< 1MB): < 500ms processing time
• Medium PDFs (1-5MB): < 2 seconds processing time
• Large PDFs (5-10MB): < 5 seconds processing time
• Memory Usage: Optimized for concurrent uploads

Release Statistics

v1.0.0 Metrics

Bank Support Timeline

Development History

Pre-Release Development

Phase 1: Core Implementation (July 2025)

• PDF text extraction research and implementation
• Basic field pattern recognition
• Mattermost plugin framework integration
• Initial Turkish bank format analysis

Phase 2: Bank Support (July 2025)

• İş Bankası format implementation
• Garanti BBVA pattern recognition
• Akbank receipt processing
• Yapı Kredi support addition
• Ziraat Bankası government format

Phase 3: Quality & Testing (July 2025)

• Comprehensive test suite development
• Error handling improvements
• Performance optimization
• Documentation creation
• CI/CD pipeline setup

Phase 4: Release Preparation (July 2025)

• Security audit and fixes
• Final testing across all banks
• Documentation review and completion
• Release package preparation

Upgrade Guide

From Development to v1.0.0

New Installations:

1. Download the latest release bundle
2. Follow the installation guide
3. Enable the plugin in System Console
4. Test with sample PDF receipts

No Breaking Changes: This is the initial release

Known Issues

v1.0.0 Known Limitations

1. Scanned PDFs: Text-based PDFs only (no OCR support)
2. Large Files: 10MB size limit for processing
3. Custom Formats: Non-standard bank receipt templates may not work
4. Language: Turkish-only field recognition currently

Workarounds

Future Roadmap

v1.1.0 (Planned)

• New Banks: VakıfBank, Halkbank support
• UI Improvements: Enhanced error messages
• Performance: Optimized large file processing
• Configuration: Plugin settings panel

v1.2.0 (Proposed)

• OCR Support: Scanned PDF processing
• Multi-language: English interface option
• Export Features: Data export capabilities
• Advanced Parsing: Smart field detection

v2.0.0 (Future)

• API Integration: External system webhooks
• Machine Learning: Enhanced field recognition
• Custom Fields: User-defined extraction patterns
• Reporting: Transaction analytics

Contributing to Releases

Release Process

1. Feature Development: Follow contributing guidelines
2. Testing: Comprehensive test coverage required
3. Documentation: Update relevant documentation
4. Review: Code review and approval process
5. Release: Automated build and deployment

Release Criteria

Minor Releases:

• New bank support
• Feature additions
• Performance improvements
• Non-breaking changes

Patch Releases:

• Bug fixes
• Security updates
• Documentation improvements
• Dependency updates

Major Releases:

• Breaking API changes
• Architecture changes
• Major feature overhauls

Support and Feedback

Release-Related Issues

• 🐛 Report Bugs
• 💡 Request Features
• 🏦 Bank Support

Stay Updated

• ⭐ Star the repository for notifications
• 📋 Watch releases for updates
• 💬 Join discussions for community updates

Download Latest Release

📥 Download Latest Release

This changelog is automatically updated with each release. For the most current information, visit the GitHub releases page.