108 lines
3.6 KiB
Markdown
108 lines
3.6 KiB
Markdown
# IMAP Connectivity Feature Design
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## Overview
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This document outlines the design for implementing IMAP connectivity in the Email Organizer application. The feature allows users to configure their IMAP server connection details, test the connection, and synchronize their email folders from the IMAP server to the application.
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## Current State Analysis
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### Existing Infrastructure
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- **User Model**: Already has `imap_config` field (JSON type) for storing IMAP configuration
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- **Authentication**: User authentication system is already implemented
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- **Folder Management**: Basic folder CRUD operations exist
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- **UI Framework**: Uses htmx, AlpineJS, and DaisyUI for dynamic interfaces
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- **Database**: PostgreSQL with SQLAlchemy ORM
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### Gaps
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- No IMAP connection handling logic
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- No IMAP configuration UI
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- No folder synchronization from IMAP server
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- No IMAP testing functionality
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## System Architecture
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### High-Level Flow
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```mermaid
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graph TD
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A[User Clicks IMAP Config] --> B[Show IMAP Configuration Modal]
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B --> C[User Enters Connection Details]
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C --> D{User Tests Connection}
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D -->|Success| E[Show Success Message]
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D -->|Failure| F[Show Error Message]
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E --> G[User Syncs Folders]
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F --> C
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G --> H[Fetch IMAP Folders]
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H --> I[Create Local Folders]
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I --> J[Update UI]
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```
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### Data Flow
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```mermaid
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sequenceDiagram
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participant U as User
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participant M as Main UI
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participant S as Server
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participant IMAP as IMAP Server
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participant DB as Database
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U->>M: Click "Configure IMAP"
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M->>S: GET /api/imap/config
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S->>M: Return IMAP config modal
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M->>U: Show configuration form
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U->>M: Enter connection details
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M->>S: POST /api/imap/test
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S->>IMAP: Test connection
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IMAP-->>S: Connection result
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S->>M: Return test result
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M->>U: Show test result
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U->>M: Click "Sync Folders"
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M->>S: POST /api/imap/sync
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S->>IMAP: List folders
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IMAP-->>S: Folder list
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S->>DB: Create/update folders
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DB-->>S: Success/failure
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S->>M: Return sync result
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M->>U: Show sync result
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```
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## Security Considerations
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1. **Password Storage**: Passwords are stored as plain text in the JSON configuration. This is acceptable for the initial implementation but should be enhanced with encryption in the future.
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2. **Connection Security**: SSL/TLS is enforced by default using IMAP4_SSL.
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3. **Input Validation**: All user inputs are validated on both client and server sides.
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4. **Error Handling**: Detailed error messages are provided to users, but sensitive information is not exposed.
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## Performance Considerations
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1. **Connection Pooling**: Each operation creates a new connection to avoid state issues.
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2. **Timeout Handling**: Connection timeouts are configurable to prevent hanging.
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3. **Error Recovery**: Failed connections are properly cleaned up to avoid resource leaks.
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## Error Handling Strategy
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1. **Connection Errors**: Clear error messages for authentication failures, network issues, and server problems.
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2. **Validation Errors**: Field-specific validation errors for form inputs.
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3. **Sync Errors**: Detailed error messages for folder synchronization failures.
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4. **Logging**: All errors are logged to the console for debugging.
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## Success Metrics
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1. **Functional**: Users can configure IMAP connections, test them, and sync folders successfully.
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2. **Usability**: The UI is intuitive and provides clear feedback for all operations.
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3. **Reliability**: IMAP connections are stable and handle various server configurations.
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4. **Performance**: Folder synchronization completes in reasonable time.
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5. **Security**: User credentials are handled securely. |