Initial commit for Start9 packaging
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MacPro
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import { NextRequest, NextResponse } from "next/server";
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import { getCurrentUser } from "@/lib/auth";
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import { prisma } from "@/lib/prisma";
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// Exercise name mapping - CSV shorthand to DB names
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const NAME_MAP: Record<string, string> = {
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"Ab Wheel": "Ab Wheel Rollout",
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"BB Upright Row": "Upright Row",
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"Ball Situp": "Exercise Ball Situp",
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"Bench": "Bench Press",
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"DB Lateral Raise": "Lateral Raise",
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"Dip": "Dips (Chest)",
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"Face Pull": "Face Pulls",
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"SA Lat Pulldown": "Lat Pulldown",
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"SL Calf Raise": "Calf Raise",
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"BB Row": "Barbell Row",
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"DB Row": "Dumbbell Row",
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"GHD": "Glute ham developer",
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"Hamstring DL": "Hamstring deadlift",
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"BB Curl": "Barbell Curl",
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"BB Hip Bridge": "Hip Thrust",
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"Cable Trap": "Rear delt",
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"Chinup (Narrow)": "Chinup",
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"Chinup Negatives": "Chinup",
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"Squat (Foot Elevated)": "Squat",
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"Ball Bicep Curl": "Dumbbell Curl",
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"KB Hip Flexor": "Hip Flexor",
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"Hamstring Deadlift": "Hamstring deadlift",
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"Shoulder Press": "Overhead Press",
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"CoC": "Captains of Crush",
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"Hex DL": "Hex Bar Deadlift",
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"KB Extension": "Kettlebell Leg Extension",
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"Ski": "SkiErg",
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};
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interface ParsedSet {
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setNumber: number;
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weight?: number;
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weightUnit: string;
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reps?: number;
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notes?: string;
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}
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interface ParsedExercise {
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exerciseId: string;
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exerciseName: string;
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sets: ParsedSet[];
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}
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interface ParsedWorkout {
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date: string;
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exercises: ParsedExercise[];
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}
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interface ParseResponse {
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workouts: ParsedWorkout[];
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unmapped: string[];
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}
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function parseCSV(content: string): Array<Record<string, string>> {
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const lines = content.trim().split("\n");
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if (lines.length === 0) return [];
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// Parse header
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const header = lines[0].split(",").map((h) => h.trim().toLowerCase());
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const rows = [];
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// Parse data rows
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for (let i = 1; i < lines.length; i++) {
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const line = lines[i].trim();
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if (!line) continue;
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const values = line.split(",").map((v) => v.trim());
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const row: Record<string, string> = {};
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header.forEach((col, idx) => {
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if (values[idx]) {
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row[col] = values[idx];
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}
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});
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rows.push(row);
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}
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return rows;
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}
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function getVariationNote(originalName: string): string | null {
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if (originalName.includes("Narrow")) return "narrow";
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if (originalName.includes("Negatives")) return "negatives";
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if (originalName.includes("Foot Elevated")) return "foot elevated";
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return null;
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}
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function resolveExerciseName(csvName: string): string {
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// Check if it's in the name map
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if (NAME_MAP[csvName]) {
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return NAME_MAP[csvName];
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}
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// Return as-is for direct lookup
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return csvName;
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}
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// Parse dates like "1/27/2026" or "2026-01-27" into ISO date string
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function parseDate(dateStr: string): string {
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// Try M/D/YYYY format
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const mdyMatch = dateStr.match(/^(\d{1,2})\/(\d{1,2})\/(\d{4})$/);
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if (mdyMatch) {
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const month = mdyMatch[1].padStart(2, "0");
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const day = mdyMatch[2].padStart(2, "0");
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const year = mdyMatch[3];
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return `${year}-${month}-${day}T12:00:00.000Z`;
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}
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// Try ISO format
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if (dateStr.includes("-")) {
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return new Date(dateStr + "T12:00:00.000Z").toISOString();
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}
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// Fallback
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return new Date(dateStr).toISOString();
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}
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export async function POST(request: NextRequest) {
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try {
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const user = await getCurrentUser();
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if (!user) {
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return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
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}
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const formData = await request.formData();
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const file = formData.get("file") as File;
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if (!file) {
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return NextResponse.json({ error: "No file provided" }, { status: 400 });
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}
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if (!file.name.endsWith(".csv")) {
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return NextResponse.json(
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{ error: "File must be a CSV file" },
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{ status: 400 }
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);
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}
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const content = await file.text();
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const rows = parseCSV(content);
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if (rows.length === 0) {
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return NextResponse.json(
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{ error: "CSV is empty or invalid format" },
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{ status: 400 }
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);
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}
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// Get all user exercises for matching
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const exercises = await prisma.exercise.findMany({
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where: { userId: user.id },
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select: { id: true, name: true },
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});
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// Build case-insensitive lookup map
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const exerciseMap = new Map<string, string>();
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for (const ex of exercises) {
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exerciseMap.set(ex.name.toLowerCase(), ex.id);
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}
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// Group rows by date
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const workoutsByDate = new Map<string, Array<Record<string, string>>>();
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const unmappedExercises = new Set<string>();
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for (const row of rows) {
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const date = row.date || row.date_str || row.workout_date || "";
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const exerciseName = row.exercise || row.exercise_name || "";
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if (!date || !exerciseName) {
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continue;
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}
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if (!workoutsByDate.has(date)) {
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workoutsByDate.set(date, []);
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}
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workoutsByDate.get(date)!.push(row);
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// Check if exercise can be resolved
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const resolvedName = resolveExerciseName(exerciseName);
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const isKnown = exerciseMap.has(resolvedName.toLowerCase());
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if (!isKnown) {
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unmappedExercises.add(exerciseName);
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}
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}
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// Build parsed workouts
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const parsedWorkouts: ParsedWorkout[] = [];
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for (const [date, rowsForDate] of workoutsByDate) {
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const exercisesMap = new Map<
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string,
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{
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exerciseId: string;
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exerciseName: string;
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sets: ParsedSet[];
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}
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>();
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for (const row of rowsForDate) {
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const csvExerciseName = row.exercise || row.exercise_name || "";
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const resolvedName = resolveExerciseName(csvExerciseName);
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const exerciseId =
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exerciseMap.get(resolvedName.toLowerCase()) || "";
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if (!exerciseId) {
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unmappedExercises.add(csvExerciseName);
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continue;
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}
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if (!exercisesMap.has(exerciseId)) {
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exercisesMap.set(exerciseId, {
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exerciseId,
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exerciseName: resolvedName,
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sets: [],
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});
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}
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const exerciseData = exercisesMap.get(exerciseId)!;
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const weight = row.weight ? parseFloat(row.weight) : undefined;
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const reps = row.reps ? parseInt(row.reps, 10) : undefined;
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let notes = row.notes || "";
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// Detect weight unit from notes
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let weightUnit = "lbs";
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if (notes.toLowerCase().includes("kg")) {
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weightUnit = "kg";
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}
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// Add variation note if applicable
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const variationNote = getVariationNote(csvExerciseName);
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if (variationNote) {
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notes = notes
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? `${notes} (${variationNote})`
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: `(${variationNote})`;
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}
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const setNumber = exerciseData.sets.length + 1;
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exerciseData.sets.push({
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setNumber,
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weight,
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weightUnit,
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reps,
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notes: notes || undefined,
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});
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}
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const workoutExercises = Array.from(exercisesMap.values());
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if (workoutExercises.length > 0) {
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parsedWorkouts.push({
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date: parseDate(date),
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exercises: workoutExercises,
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});
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}
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}
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// Sort by date ascending (oldest first)
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parsedWorkouts.sort(
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(a, b) => new Date(a.date).getTime() - new Date(b.date).getTime()
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);
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const response: ParseResponse = {
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workouts: parsedWorkouts,
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unmapped: Array.from(unmappedExercises),
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};
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return NextResponse.json(response);
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} catch (error) {
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console.error("CSV parsing error:", error);
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return NextResponse.json(
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{ error: "Failed to parse CSV file" },
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{ status: 500 }
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);
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}
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}
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