Zakhar Timoshenko
e61fbf4404
- Updated "Ф и з и ч е с к а я к у л ь т у р а" to "Физическая культура" in fkne-daily.txt - Corrected instructor name for "Лабораторный спецпрактикум: Объектно-ориентированное программирование" to "Солдатенко П.Н." in multiple entries in fkne-daily.txt - Changed the format of room numbers in "Иностранный язык (англ.)" entry in fkne.txt to use commas for clarity
52 lines
2.7 KiB
JavaScript
52 lines
2.7 KiB
JavaScript
// One readable line per parsed lesson, the form both snapshots compare: what a student sees
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// (day, time, weeks or dates, subject, kind, room, teacher, groups), not ids or source colours.
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const DAYS = ["", "пн", "вт", "ср", "чт", "пт", "сб", "вс"];
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const weeks = (ranges) =>
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ranges?.map(([a, b]) => (b === null ? `с ${a}` : a === b ? `${a}` : `${a}-${b}`)).join(",") || "";
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export const lessonLine = (l) =>
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[
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`${l.date || DAYS[l.day]} ${l.start}${l.end ? `–${l.end}` : ""}`,
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(l.date ? "один раз" : l.dates?.length ? `даты ${l.dates.join(",")}` : l.weekRanges ? `нед. ${weeks(l.weekRanges)}` : "каждую неделю") +
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(l.from ? ` с ${l.from}` : "") +
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(l.variant === "upper" ? ", верхняя строка" : l.variant === "lower" ? ", нижняя строка" : ""),
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l.subject,
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l.type,
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// The town only when the cell names one or the day's note puts the lesson there.
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[l.room, l.place].filter(Boolean).join(", "),
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l.teacher,
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[...l.groups, ...l.subgroups.map((s) => `${s.group}/${s.label.replace("Подгруппа ", "п")}`)].join(",") +
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// "Немецкий язык" or "Французский язык": a part of the group takes one of them.
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(l.option ? " · на выбор" : "") +
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// Russian for foreign students while the others have physical education.
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(l.audience === "foreign" ? " · иностранцам" : l.audience === "local" ? " · кроме иностранцев" : ""),
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]
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.map((part) => String(part ?? "").replace(/\s+/g, " ").trim())
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.join(" | ");
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// "Занятия в Полоцке": a day of a group or subgroup in another town, not a lesson.
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const placeLine = (p) =>
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[
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`@ ${p.date || DAYS[p.day]}${p.from ? ` с ${p.from}` : ""}`,
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p.text,
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[...p.groups, ...p.subgroups.map((s) => `${s.group}/${s.label.replace("Подгруппа ", "п")}`)].join(","),
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].join(" | ");
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/** Sorted lesson lines of a parsed document, with its groups and period on top. */
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export const snapshotOf = (schedule) => [
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`# ${schedule.period} · ${schedule.groups.join(", ")}`,
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...(schedule.places || []).map(placeLine).sort(),
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...schedule.lessons.map(lessonLine).sort(),
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];
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/** Lines only in `before` (removed) and only in `after` (added), duplicates counted. */
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export function diffLines(before, after) {
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const count = (lines) => lines.reduce((m, x) => m.set(x, (m.get(x) || 0) + 1), new Map());
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const a = count(before), b = count(after);
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const removed = [], added = [];
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for (const [line, n] of a) for (let i = b.get(line) || 0; i < n; i++) removed.push(line);
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for (const [line, n] of b) for (let i = a.get(line) || 0; i < n; i++) added.push(line);
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return { removed, added };
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}
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