38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
from __future__ import annotations
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from urllib.parse import urlparse
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from app.services.domains.scholars.constants import MAX_IMAGE_URL_LENGTH, SCHOLAR_ID_PATTERN
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from app.services.domains.scholars.exceptions import ScholarServiceError
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def validate_scholar_id(value: str) -> str:
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scholar_id = value.strip()
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if not SCHOLAR_ID_PATTERN.fullmatch(scholar_id):
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raise ScholarServiceError("Scholar ID must match [a-zA-Z0-9_-]{12}.")
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return scholar_id
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def normalize_display_name(value: str) -> str | None:
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normalized = value.strip()
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return normalized if normalized else None
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def normalize_profile_image_url(value: str | None) -> str | None:
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if value is None:
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return None
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candidate = value.strip()
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if not candidate:
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return None
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if len(candidate) > MAX_IMAGE_URL_LENGTH:
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raise ScholarServiceError(
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f"Image URL must be {MAX_IMAGE_URL_LENGTH} characters or fewer."
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)
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parsed = urlparse(candidate)
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if parsed.scheme.lower() not in {"http", "https"} or not parsed.netloc:
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raise ScholarServiceError("Image URL must be an absolute http(s) URL.")
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return candidate
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