jessikitty
89f65e2d74
Downloads official instruction PDFs from LEGO, located via the Brickset API, one set per interval (10 minutes by default) so neither API gets hammered. Official sets only; MOCs are excluded throughout. - New admin page at /admin/instruction-fetch: queue builder, pacing controls, live countdown and per-set job history - Database-backed queue (instruction_fetch_jobs) and last-run timestamp, so pacing survives restarts - Background worker thread, plus 'flask instructions queue/run/status' for Task Scheduler or cron - SHA-256 dedupe (instructions.sha256), PDF header check, size cap and streaming downloads via temp files - brickset_api: getInstructions2 by set number and getInstructions by setID (the old code sent a set number to the setID method); getSets params now proper JSON; getKeyUsageStats added - Schema top-ups applied automatically at boot: new table plus instructions.sha256/source - Docker: fetcher env vars passed through compose, no worker thread in the entrypoint bootstrap
109 lines
3.3 KiB
Python
109 lines
3.3 KiB
Python
"""
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Key/value store for admin-configurable site settings.
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Values are strings on disk; the typed helpers below do the coercion. Reads
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are cached per process and the cache is dropped on write, so the settings
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page is authoritative without hitting the database on every request.
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Created by: Jess Rogerson (yelling commands at Claude.AI)
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"""
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from datetime import datetime
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import threading
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from app import db
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# Defaults are the behaviour LIM had before settings existed, except where
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# noted — anything not yet stored falls back to these.
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DEFAULTS = {
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'allow_registration': 'true',
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# Visibility given to newly created sets.
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'default_visibility': 'private',
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# Send logged-in users straight to their dashboard instead of the
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# marketing homepage.
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'home_redirect_dashboard': 'true',
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# Automatic instruction fetcher (see services/instruction_fetcher.py).
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# Off by default: an admin has to switch it on deliberately.
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'fetch_enabled': 'false',
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'fetch_interval_minutes': '10',
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'fetch_file_delay_seconds': '5',
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'fetch_max_attempts': '3',
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'fetch_skip_sets_with_pdfs': 'true',
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'fetch_allow_setid_lookup': 'true',
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'fetch_last_run': '',
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}
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VISIBILITIES = ('private', 'shared', 'public')
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_cache = {}
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_cache_lock = threading.Lock()
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class SiteSetting(db.Model):
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"""One configurable setting."""
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__tablename__ = 'site_settings'
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id = db.Column(db.Integer, primary_key=True)
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key = db.Column(db.String(64), unique=True, nullable=False, index=True)
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value = db.Column(db.Text, nullable=True)
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updated_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow,
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onupdate=datetime.utcnow)
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def __repr__(self):
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return f'<SiteSetting {self.key}={self.value!r}>'
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# -- reads --------------------------------------------------------------
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@classmethod
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def get(cls, key, default=None):
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with _cache_lock:
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if key in _cache:
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return _cache[key]
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try:
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row = cls.query.filter_by(key=key).first()
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except Exception:
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# Table may not exist yet (first boot, before create_all).
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return DEFAULTS.get(key, default)
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value = row.value if row else DEFAULTS.get(key, default)
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with _cache_lock:
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_cache[key] = value
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return value
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@classmethod
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def get_bool(cls, key, default=False):
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value = cls.get(key)
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if value is None:
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return default
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return str(value).strip().lower() in ('1', 'true', 'yes', 'on')
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@classmethod
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def all_settings(cls):
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merged = dict(DEFAULTS)
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try:
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for row in cls.query.all():
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merged[row.key] = row.value
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except Exception:
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pass
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return merged
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# -- writes -------------------------------------------------------------
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@classmethod
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def set(cls, key, value):
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if isinstance(value, bool):
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value = 'true' if value else 'false'
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row = cls.query.filter_by(key=key).first()
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if row:
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row.value = value
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else:
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db.session.add(cls(key=key, value=value))
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cls.clear_cache()
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return value
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@classmethod
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def clear_cache(cls):
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with _cache_lock:
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_cache.clear()
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