98 lines
2.9 KiB
TypeScript
98 lines
2.9 KiB
TypeScript
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import { createHash } from "crypto";
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import { parse } from "date-fns";
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import { enUS } from "date-fns/locale";
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import type { StrengthWorkoutInput } from "@/lib/models/strength";
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const DATE_FORMAT = "EEEE, d MMMM yyyy 'at' HH:mm";
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const HEADER_DATE_RE = /^[A-Za-z]+,\s+\d{1,2}\s+[A-Za-z]+\s+\d{4}\s+at\s+\d{1,2}:\d{2}$/;
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const SET_RE = /^Set\s+\d+:\s*(?:([\d.,]+)\s*kg\s*[×x]\s*)?(\d+)$/i;
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const SOURCE_URL_RE = /^https:\/\/link\.strong\.app\/\S+$/;
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type ParsedBlock = string[];
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function splitBlocks(text: string): ParsedBlock[] {
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return text
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.replace(/\r\n/g, "\n")
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.split(/\n\s*\n+/)
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.map((block) =>
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block
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.split("\n")
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.map((line) => line.trim())
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.filter((line) => line.length > 0)
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)
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.filter((block) => block.length > 0);
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}
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function parseWeight(raw: string | undefined): number | undefined {
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if (!raw) return undefined;
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const value = Number.parseFloat(raw.replace(",", "."));
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return Number.isFinite(value) ? value : undefined;
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}
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function makeSourceKey(workout: Omit<StrengthWorkoutInput, "sourceKey">): string {
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if (workout.sourceUrl) return workout.sourceUrl;
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return createHash("sha256")
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.update(`${workout.date.toISOString()}|${workout.name}`)
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.digest("hex");
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}
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export function parseStrongShareText(text: string): StrengthWorkoutInput[] {
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const blocks = splitBlocks(text);
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const workouts: Omit<StrengthWorkoutInput, "sourceKey">[] = [];
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for (const block of blocks) {
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const isHeader = block.length === 2 && HEADER_DATE_RE.test(block[1]);
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if (isHeader) {
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const date = parse(block[1], DATE_FORMAT, new Date(), { locale: enUS });
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workouts.push({ date, name: block[0], exercises: [] });
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continue;
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}
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const current = workouts[workouts.length - 1];
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if (!current) {
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throw new Error(`Nieoczekiwany blok przed nagłówkiem treningu: "${block[0]}"`);
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}
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const lines = [...block];
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const lastLine = lines[lines.length - 1];
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if (SOURCE_URL_RE.test(lastLine)) {
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current.sourceUrl = lastLine;
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lines.pop();
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}
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if (lines.length === 0) continue;
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if (/^Notes:/i.test(lines[0])) {
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const note = lines.join(" ").replace(/^Notes:\s*/i, "");
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const lastExercise = current.exercises[current.exercises.length - 1];
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if (lastExercise) {
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lastExercise.notes = note;
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} else {
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current.notes = note;
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}
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continue;
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}
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const [exerciseName, ...setLines] = lines;
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const sets = setLines
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.map((line, index) => {
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const match = SET_RE.exec(line);
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if (!match) return null;
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return {
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order: index + 1,
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weightKg: parseWeight(match[1]),
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reps: Number.parseInt(match[2], 10),
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};
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})
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.filter((set): set is NonNullable<typeof set> => set !== null);
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current.exercises.push({ name: exerciseName, sets });
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}
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return workouts.map((workout) => ({
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...workout,
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sourceKey: makeSourceKey(workout),
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}));
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}
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