File size: 2,475 Bytes
69c70ab bec1f06 69c70ab bec1f06 69c70ab bec1f06 69c70ab bec1f06 69c70ab | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | from dataclasses import dataclass
from typing import List, Dict, Any
@dataclass
class ReviewItem:
video_id: str
segment_index: int
text: str
due: float = 0.0
interval: int = 0
ease: float = 2.5
repetitions: int = 0
def make_practice_items(segments: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
items = []
for index, segment in enumerate(segments or []):
if not isinstance(segment, dict):
continue
text = str(segment.get("text", "")).strip()
if not text:
continue
try:
start = max(0.0, float(segment.get("start", 0) or 0))
duration = max(0.0, float(segment.get("duration", 0) or 0))
except (TypeError, ValueError):
continue
items.append(
{
"index": index,
"text": text,
"start": start,
"duration": duration,
"end": start + duration,
}
)
return items
def build_quiz(segment: Dict[str, Any], distractors: List[str] | None = None) -> Dict[str, Any]:
text = str((segment or {}).get("text", "")).strip()
words = text.split()
if not words:
return {"type": "unavailable", "question": "Câu này chưa có nội dung.", "answer": "", "choices": [], "text": ""}
answer = words[0]
options = list(dict.fromkeys([answer] + [str(value) for value in (distractors or []) if value and str(value) != answer]))[:4]
if len(options) > 1:
return {
"type": "multiple_choice",
"question": "Từ nào bắt đầu câu này?",
"answer": answer,
"choices": options,
"text": text,
}
return {
"type": "fill_blank",
"question": "____ " + " ".join(words[1:]),
"answer": answer,
"choices": [],
"text": text,
}
def next_review(item: ReviewItem, quality: int) -> ReviewItem:
try:
quality = max(0, min(5, int(quality)))
except (TypeError, ValueError):
quality = 0
if quality < 3:
item.repetitions = 0
item.interval = 1
else:
item.repetitions += 1
if item.repetitions == 1: item.interval = 1
elif item.repetitions == 2: item.interval = 6
else: item.interval = max(1, round(item.interval * item.ease))
item.ease = max(1.3, item.ease + (0.1 - (5-quality)*(0.08 + (5-quality)*0.02)))
return item
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