## Security Enhancements (P0) - Add input validation with max_length and numeric range constraints - Implement WebSocket token authentication via first message - Add path traversal prevention in file storage service ## Permission Enhancements (P0) - Add project member management for cross-department access - Implement is_department_manager flag for workload visibility ## Cycle Detection (P0) - Add DFS-based cycle detection for task dependencies - Add formula field circular reference detection - Display user-friendly cycle path visualization ## Concurrency & Reliability (P1) - Implement optimistic locking with version field (409 Conflict on mismatch) - Add trigger retry mechanism with exponential backoff (1s, 2s, 4s) - Implement cascade restore for soft-deleted tasks ## Rate Limiting (P1) - Add tiered rate limits: standard (60/min), sensitive (20/min), heavy (5/min) - Apply rate limits to tasks, reports, attachments, and comments ## Frontend Improvements (P1) - Add responsive sidebar with hamburger menu for mobile - Improve touch-friendly UI with proper tap target sizes - Complete i18n translations for all components ## Backend Reliability (P2) - Configure database connection pool (size=10, overflow=20) - Add Redis fallback mechanism with message queue - Add blocker check before task deletion ## API Enhancements (P3) - Add standardized response wrapper utility - Add /health/ready and /health/live endpoints - Implement project templates with status/field copying ## Tests Added - test_input_validation.py - Schema and path traversal tests - test_concurrency_reliability.py - Optimistic locking and retry tests - test_backend_reliability.py - Connection pool and Redis tests - test_api_enhancements.py - Health check and template tests Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
122 lines
3.3 KiB
Python
122 lines
3.3 KiB
Python
from pydantic import BaseModel, field_validator
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from typing import Optional, List
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from datetime import datetime
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from enum import Enum
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class DependencyType(str, Enum):
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"""Task dependency types for Gantt chart."""
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FS = "FS" # Finish-to-Start (most common)
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SS = "SS" # Start-to-Start
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FF = "FF" # Finish-to-Finish
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SF = "SF" # Start-to-Finish (rare)
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class TaskDependencyCreate(BaseModel):
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"""Schema for creating a task dependency."""
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predecessor_id: str
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dependency_type: DependencyType = DependencyType.FS
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lag_days: int = 0
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@field_validator('lag_days')
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@classmethod
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def validate_lag_days(cls, v):
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if v < -365 or v > 365:
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raise ValueError('lag_days must be between -365 and 365')
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return v
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class TaskDependencyUpdate(BaseModel):
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"""Schema for updating a task dependency."""
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dependency_type: Optional[DependencyType] = None
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lag_days: Optional[int] = None
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@field_validator('lag_days')
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@classmethod
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def validate_lag_days(cls, v):
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if v is not None and (v < -365 or v > 365):
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raise ValueError('lag_days must be between -365 and 365')
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return v
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class TaskInfo(BaseModel):
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"""Brief task information for dependency response."""
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id: str
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title: str
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start_date: Optional[datetime] = None
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due_date: Optional[datetime] = None
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class Config:
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from_attributes = True
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class TaskDependencyResponse(BaseModel):
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"""Schema for task dependency response."""
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id: str
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predecessor_id: str
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successor_id: str
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dependency_type: DependencyType
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lag_days: int
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created_at: datetime
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predecessor: Optional[TaskInfo] = None
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successor: Optional[TaskInfo] = None
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class Config:
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from_attributes = True
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class TaskDependencyListResponse(BaseModel):
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"""Schema for list of task dependencies."""
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dependencies: List[TaskDependencyResponse]
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total: int
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class DependencyValidationError(BaseModel):
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"""Schema for dependency validation error details."""
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error_type: str # 'circular', 'self_reference', 'duplicate', 'cross_project'
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message: str
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details: Optional[dict] = None
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class BulkDependencyItem(BaseModel):
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"""Single dependency item for bulk operations."""
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predecessor_id: str
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successor_id: str
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dependency_type: DependencyType = DependencyType.FS
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lag_days: int = 0
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@field_validator('lag_days')
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@classmethod
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def validate_lag_days(cls, v):
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if v < -365 or v > 365:
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raise ValueError('lag_days must be between -365 and 365')
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return v
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class BulkDependencyCreate(BaseModel):
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"""Schema for creating multiple dependencies at once."""
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dependencies: List[BulkDependencyItem]
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@field_validator('dependencies')
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@classmethod
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def validate_dependencies(cls, v):
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if not v:
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raise ValueError('At least one dependency is required')
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if len(v) > 50:
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raise ValueError('Cannot create more than 50 dependencies at once')
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return v
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class BulkDependencyValidationResult(BaseModel):
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"""Result of bulk dependency validation."""
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valid: bool
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errors: List[dict] = []
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class BulkDependencyCreateResponse(BaseModel):
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"""Response for bulk dependency creation."""
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created: List[TaskDependencyResponse]
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failed: List[dict] = []
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total_created: int
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total_failed: int
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