記録機能の追加

data/records.json

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+[]

src/app/api/records/route.ts

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+import { NextResponse } from 'next/server'
+import fs from 'fs'
+import path from 'path'
+import { Duration } from 'luxon'
+// DailyRecord 型をここでも再定義（src/types/dailyRecord.ts を変更せず扱うため）
+type DailyRecord = {
+  bedTime: Date
+  wakeUpTime: Date
+  studyTime: Duration
+  mediaTime: Duration
+  exercise: boolean
+  reading: boolean
+  breakfast: boolean
+  assistance: boolean
+}
+
+// 保存先ファイル
+const DATA_FILE = path.join(process.cwd(), 'data', 'records.json')
+
+// DailyRecord -> JSON 用オブジェクト
+function serializeRecord(r: DailyRecord) {
+	return {
+		bedTime: r.bedTime.toISOString(),
+		wakeUpTime: r.wakeUpTime.toISOString(),
+		studyTime: r.studyTime.toISO(),
+		mediaTime: r.mediaTime.toISO(),
+		exercise: r.exercise,
+		reading: r.reading,
+		breakfast: r.breakfast,
+		assistance: r.assistance,
+	}
+}
+
+// JSON オブジェクト -> DailyRecord
+function deserializeRecord(o: any): DailyRecord {
+	return {
+		bedTime: new Date(o.bedTime),
+		wakeUpTime: new Date(o.wakeUpTime),
+		studyTime: Duration.fromISO(o.studyTime),
+		mediaTime: Duration.fromISO(o.mediaTime),
+		exercise: !!o.exercise,
+		reading: !!o.reading,
+		breakfast: !!o.breakfast,
+		assistance: !!o.assistance,
+	}
+}
+
+function readRecords(): DailyRecord[] {
+	try {
+		if (!fs.existsSync(DATA_FILE)) return []
+		const raw = fs.readFileSync(DATA_FILE, 'utf8')
+		const arr = JSON.parse(raw)
+		if (!Array.isArray(arr)) return []
+		return arr.map(deserializeRecord)
+	} catch (err) {
+		console.error('readRecords error', err)
+		return []
+	}
+}
+
+// 生データをそのまま返す（recordDate メタ情報などを保持）
+function readRawRecords(): any[] {
+	try {
+		if (!fs.existsSync(DATA_FILE)) return []
+		const raw = fs.readFileSync(DATA_FILE, 'utf8')
+		const arr = JSON.parse(raw)
+		if (!Array.isArray(arr)) return []
+		return arr
+	} catch (err) {
+		console.error('readRawRecords error', err)
+		return []
+	}
+}
+
+function writeRawRecords(records: any[]): boolean {
+	try {
+		fs.writeFileSync(DATA_FILE, JSON.stringify(records, null, 2), 'utf8')
+		return true
+	} catch (err) {
+		console.error('writeRawRecords error:', err)
+		return false
+	}
+}
+
+function writeRecords(records: DailyRecord[]): boolean {
+	try {
+		const out = records.map(serializeRecord)
+		fs.writeFileSync(DATA_FILE, JSON.stringify(out, null, 2), 'utf8')
+		return true
+	} catch (err) {
+		console.error('writeRecords error', err)
+		return false
+	}
+}
+
+// GET: ?days=14 （デフォルト14日）
+export async function GET(request: Request) {
+	try {
+		const url = new URL(request.url)
+		const daysParam = url.searchParams.get('days')
+		const dateParam = url.searchParams.get('date') // YYYY-MM-DD
+		const days = daysParam ? Number(daysParam) : 14
+
+		const records = readRecords()
+
+		// date 指定がある場合はその日のレコードを返す（upsertの基準は bedTime の日付）
+		if (dateParam) {
+			// search raw records for explicit recordDate metadata first, then fall back to bedTime date
+			const raw = readRawRecords()
+			const byMeta = raw.find((r: any) => r.recordDate === dateParam)
+			if (byMeta) return NextResponse.json(byMeta)
+			const target = records.find(r => r.bedTime.toISOString().slice(0, 10) === dateParam)
+			if (!target) return NextResponse.json({ message: 'not found' }, { status: 404 })
+			return NextResponse.json(serializeRecord(target))
+		}
+
+		// return list with recordDate metadata so front-end can match by logical day
+		const raw = readRawRecords()
+		const listOut = raw.map((r: any) => ({
+			bedTime: r.bedTime,
+			wakeUpTime: r.wakeUpTime,
+			studyTime: r.studyTime,
+			mediaTime: r.mediaTime,
+			exercise: !!r.exercise,
+			reading: !!r.reading,
+			breakfast: !!r.breakfast,
+			assistance: !!r.assistance,
+			recordDate: r.recordDate || (r.bedTime ? r.bedTime.slice(0,10) : undefined),
+		}))
+
+		if (Number.isFinite(days) && days > 0) {
+			const cutoff = new Date()
+			cutoff.setDate(cutoff.getDate() - days + 1) // include today and past (days-1) days
+			const filtered = listOut.filter((r: any) => new Date(r.bedTime) >= cutoff)
+			return NextResponse.json(filtered)
+		}
+
+		return NextResponse.json(listOut)
+	} catch (err) {
+		console.error('GET /api/records error', err)
+		return NextResponse.json({ message: '読み込みエラー' }, { status: 500 })
+	}
+}
+
+// POST: 単一日の記録を追加。期待する body 形：{ bedTime, wakeUpTime, studyTime, mediaTime, exercise, reading, breakfast, assistance }
+export async function POST(request: Request) {
+	try {
+		const body = await request.json()
+
+		if (!body || !body.bedTime || !body.wakeUpTime) {
+			return NextResponse.json({ message: '就寝時刻と起床時刻は必須です' }, { status: 400 })
+		}
+		// Build stored object; accept optional recordDate to indicate logical day this record belongs to
+		const recordDate = body.recordDate || new Date(body.bedTime).toISOString().slice(0, 10)
+		const stored = {
+			bedTime: new Date(body.bedTime).toISOString(),
+			wakeUpTime: new Date(body.wakeUpTime).toISOString(),
+			studyTime: Duration.fromObject({ minutes: body.studyTime ?? 0 }).toISO(),
+			mediaTime: Duration.fromObject({ minutes: body.mediaTime ?? 0 }).toISO(),
+			exercise: !!body.exercise,
+			reading: !!body.reading,
+			breakfast: !!body.breakfast,
+			assistance: !!body.assistance,
+			recordDate: recordDate,
+		}
+
+		const raw = readRawRecords()
+		// upsert by recordDate if exists, otherwise by bedTime date
+		const idx = raw.findIndex((r: any) => r.recordDate === recordDate || (r.bedTime && r.bedTime.slice(0, 10) === recordDate))
+		if (idx >= 0) raw[idx] = stored
+		else raw.push(stored)
+
+		if (!writeRawRecords(raw)) {
+			return NextResponse.json({ message: '保存に失敗しました' }, { status: 500 })
+		}
+
+		return NextResponse.json(stored)
+	} catch (err) {
+		console.error('POST /api/records error', err)
+		return NextResponse.json({ message: '処理エラー' }, { status: 500 })
+	}
+}
+