Sergey Vanyushkin
7ff3fa0992
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Implement full comments system: domain entities (Comment, CommentLike), value objects (CommentContent), use cases (CRUD, like toggle), SQLAlchemy repository, API v1 endpoints, web UI with comment form and nested replies, i18n translations (EN/RU/FR/DE), and E2E tests. Fix nested reply (reply-to-reply) not displaying — the flat reply_comments dict was only queried for top-level comment IDs, so deeply nested replies were saved to DB (incrementing comment count) but never rendered. Switch to a recursive Jinja2 macro that renders any nesting depth.
48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
"""Value object for comment content.
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This module defines the CommentContent value object that validates
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and encapsulates comment text content.
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"""
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from dataclasses import dataclass
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from app.domain.value_objects.base import ValueObject
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@dataclass(frozen=True, slots=True)
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class CommentContent(ValueObject[str]):
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"""Comment content value object.
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Wraps and validates comment content ensuring it meets length
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requirements and is not empty.
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Attributes:
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value: The comment content string.
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MAX_LENGTH: Maximum allowed content length (5000 characters).
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Raises:
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ValueError: If content is empty or too long.
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Example:
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>>> content = CommentContent("This is a **bold** comment.")
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>>> content.value
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'This is a **bold** comment.'
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"""
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MAX_LENGTH: int = 5000
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def _validate(self) -> None:
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"""Validate comment content.
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Checks that content is a non-empty string within length bounds.
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Raises:
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ValueError: If content fails validation criteria.
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"""
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if not isinstance(self.value, str):
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raise ValueError("Comment content must be a string")
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if not self.value.strip():
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raise ValueError("Comment content cannot be empty")
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if len(self.value) > self.MAX_LENGTH:
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raise ValueError(f"Comment content must be at most {self.MAX_LENGTH} characters")
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