154 lines
6.2 KiB
Python
154 lines
6.2 KiB
Python
"""Learning-debt rules: progression and cap for open guides — the ONLY source.
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Rules (new creations only; topics + blocks unlimited):
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- Format "Guide": at most 3 created, not-yet-completed guides
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- No more progression/prerequisite (only a single guide format).
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- Completed: ALL blocks (section titles) of the latest finished guide have
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a passed exam. The rest is read-only (no progress, no exam).
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All functions work on data loaded once (load_learnstate) — no more
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query loops per guide.
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"""
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import json
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from database import list_block_scores_all, subs_per_level_all, list_guides
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from guide import guide_slot_files
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from learning import cap_final, LEVELS, _threshold
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from paths import blocks_path, guide_content_path
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from textkit import _norm_title
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MAX_OFFENE_GUIDES = 3
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# Only ONE format "Guide" left (all relevant blocks, exam 0–cap). No progression,
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# no prerequisite → the guide is always unlockable. "Rest"/FullGuide are separate.
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PRESTAGE: dict[str, str] = {}
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FREISCHALT_LEVEL: dict[str, str] = {}
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FORMATE = ("Guide",)
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# 4 learning levels (floor in % of the cap) — keys from learning.LEVELS.
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_LEVEL_WORT = {
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"beginner": "to beginner (20%)",
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"advanced": "to advanced (40%)",
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"expert": "to expert (60%)",
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"master": "to mastery (100%)",
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}
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async def load_learnstate() -> tuple[list[dict], dict[str, dict[str, set[str]]]]:
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"""Guides + blocks per level.
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levels: {"beginner"/"advanced"/"expert"/"master": {topic → normalized title}}.
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The level per block is derived from score + cap (4×relevant subs).
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"""
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scores = await list_block_scores_all()
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subs_by_level = await subs_per_level_all()
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levels: dict[str, dict[str, set[str]]] = {key: {} for key, _ in LEVELS}
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for topic, block, score in scores:
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cf = cap_final(subs_by_level.get((topic, _norm_title(block)), {}))
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for key, p in LEVELS:
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if cf and score >= _threshold(p, cf):
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levels[key].setdefault(topic, set()).add(_norm_title(block))
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return await list_guides(), levels
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_content_cache: dict[str, tuple[float, dict | None]] = {}
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def _content_json(topic: str, fmt: str) -> dict | None:
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"""Guide-Content-JSON (kann MB groß sein), mtime-gecacht — /stats und /topics/progress
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lasen die Datei bei JEDEM Frontend-Poll neu und synchron im Event-Loop."""
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path = guide_content_path(topic, fmt)
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try:
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mtime = path.stat().st_mtime
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except OSError:
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_content_cache.pop(str(path), None)
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return None
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cached = _content_cache.get(str(path))
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if cached is None or cached[0] != mtime:
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try:
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data = json.loads(path.read_text(encoding="utf-8"))
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except ValueError:
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data = None
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_content_cache[str(path)] = (mtime, data)
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return _content_cache[str(path)][1]
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def _section_title(topic: str, fmt: str) -> set[str] | None:
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"""Normalized block titles (sections) from the guide content."""
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content = _content_json(topic, fmt)
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if content is None:
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return None
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return {
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_norm_title(s.get("title", ""))
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for ch in content.get("chapters", [])
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for s in ch.get("sections", [])
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}
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def _latest_done(guides: list[dict], fmt: str) -> dict[str, dict]:
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"""Per topic, the latest finished guide of this format."""
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latest: dict[str, dict] = {}
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for g in guides:
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if g["format"] == fmt and g["status"] == "done":
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if g["topic"] not in latest or g["created_at"] > latest[g["topic"]]["created_at"]:
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latest[g["topic"]] = g
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return latest
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def _guide_all(g: dict, levelset: dict[str, set[str]]) -> bool:
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"""Are ALL blocks of the guide at the required level?"""
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sections = _section_title(g["topic"], g["format"])
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return bool(sections) and sections <= levelset.get(g["topic"], set())
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def is_level(topic: str, fmt: str, guides: list[dict], levelset: dict[str, set[str]]) -> bool:
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"""Latest finished guide (topic+format): all blocks at the level of levelset?"""
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g = _latest_done(guides, fmt).get(topic)
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return g is not None and _guide_all(g, levelset)
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def ist_completed(topic: str, fmt: str, guides: list[dict], levels: dict[str, dict[str, set[str]]]) -> bool:
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"""All blocks of the latest finished guide at least beginner (≥20%)?"""
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return is_level(topic, fmt, guides, levels["beginner"])
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def topic_completed(topic: str, guides: list[dict], levels: dict[str, dict[str, set[str]]]) -> bool:
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"""Topic done: latest finished guide, all blocks at master (100%)?"""
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return is_level(topic, "Guide", guides, levels["master"])
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def formats_stats(guides: list[dict], levels: dict[str, dict[str, set[str]]]) -> dict:
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"""Per format created/completed — per topic only the latest finished guide counts."""
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formats = {}
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for fmt in FORMATE:
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latest = _latest_done(guides, fmt)
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completed = sum(1 for g in latest.values() if _guide_all(g, levels["beginner"]))
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formats[fmt] = {"created": len(latest), "completed": completed}
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return formats
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def guide_lock(topic: str, fmt: str, guides: list[dict], levels: dict[str, dict[str, set[str]]]) -> str | None:
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"""Reason why a fresh start for topic+format is locked — None = allowed.
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Exactly the rules from POST /guides: blocks required, no duplicate start,
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learning debt only for genuine new creations (resume/regenerate are free).
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"""
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if not blocks_path(topic).exists():
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return "Create blocks first"
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for g in guides:
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if g["topic"] == topic and g["format"] == fmt and g["status"] in ("queued", "generating"):
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return "Generation already running"
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content = guide_content_path(topic, fmt)
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if not content.exists() and not guide_slot_files(content):
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prereq = PRESTAGE.get(fmt)
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if prereq:
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level = FREISCHALT_LEVEL[fmt] # completed=10 · understood=20 · mastered=30
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if not is_level(topic, prereq, guides, levels[level]):
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return f"First take the {prereq} of this topic {_LEVEL_WORT[level]}"
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stat = formats_stats(guides, levels).get(fmt, {"created": 0, "completed": 0})
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open_count = stat["created"] - stat["completed"]
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if open_count >= MAX_OFFENE_GUIDES:
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return f"Complete {fmt}s first — at most {MAX_OFFENE_GUIDES} open allowed ({open_count} open)"
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return None
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