34 lines
991 B
Python
34 lines
991 B
Python
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"""
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Storage backends — seleksi backend aktif berdasarkan STORAGE_BACKEND.
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- 'csv' : penyimpanan lama (tokens_siswa.csv), untuk transisi/rollback.
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- 'postgresql' : source of truth baru (users/tokens/lessons/progress).
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Default: 'postgresql' bila DATABASE_URL tersedia, selain itu 'csv'.
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Kedua backend mengimplementasikan kontrak yang sama (lihat token_service facade).
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"""
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import os
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def active_backend_name() -> str:
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explicit = os.environ.get("STORAGE_BACKEND", "").strip().lower()
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if explicit:
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return explicit
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from services.database import SessionLocal
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return "postgresql" if SessionLocal is not None else "csv"
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def get_backend_module():
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name = active_backend_name()
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if name == "postgresql":
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from services.storage import postgres_backend
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return postgres_backend
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if name == "csv":
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from services.storage import csv_backend
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return csv_backend
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raise ValueError(f"STORAGE_BACKEND tidak dikenal: {name!r}")
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