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Add docs/ folder with architecture, operations, API reference, and development guides covering system design, deployment, troubleshooting, all backend endpoints, and contributor workflows. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
450 lines
12 KiB
Markdown
450 lines
12 KiB
Markdown
# API Reference
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> See also: [Architecture](ARCHITECTURE.md) | [Operations](OPERATIONS.md) | [Development](DEVELOPMENT.md)
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## Base URL
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| Context | URL |
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|---------|-----|
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| Local development | `http://localhost:3001` |
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| Docker internal (web → backend) | `http://backend:3001` |
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| External access (via host port) | `http://<host>:3001` |
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## Authentication
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None. All endpoints are public and unauthenticated. The scrape trigger endpoint is also unprotected -- restrict access at the network/proxy level if needed.
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---
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## Endpoints
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### GET /api/calendar/week
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Returns a 7-day calendar for all parks, starting from the given Sunday.
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**Query Parameters:**
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| Param | Required | Format | Description |
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|-------|----------|--------|-------------|
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| `start` | Yes | `YYYY-MM-DD` | Week start date (should be a Sunday) |
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**Cache:** `Cache-Control: public, max-age=120, stale-while-revalidate=300`
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**Response:**
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```json
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{
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"weekStart": "2026-04-19",
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"weekDates": ["2026-04-19", "2026-04-20", "2026-04-21", "2026-04-22", "2026-04-23", "2026-04-24", "2026-04-25"],
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"today": "2026-04-23",
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"isCurrentWeek": true,
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"data": {
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"cedarpoint": {
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"2026-04-23": {
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"isOpen": true,
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"hoursLabel": "10am – 8pm",
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"specialType": null
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},
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"2026-04-24": {
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"isOpen": false,
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"hoursLabel": null,
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"specialType": null
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}
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}
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},
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"rideCounts": {
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"cedarpoint": 42,
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"greatadventure": 38
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},
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"coasterCounts": {
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"cedarpoint": 12,
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"greatadventure": 9
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},
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"openParkIds": ["cedarpoint", "greatadventure"],
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"closingParkIds": [],
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"weatherDelayParkIds": [],
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"hasCoasterData": true,
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"scrapedCount": 168
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}
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```
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**Response fields:**
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| Field | Type | Description |
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|-------|------|-------------|
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| `weekStart` | `string` | Echo of the `start` parameter |
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| `weekDates` | `string[]` | Array of 7 date strings (Sun-Sat) |
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| `today` | `string` | Current date (with 3 AM switchover) |
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| `isCurrentWeek` | `boolean` | Whether this week contains today |
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| `data` | `Record<parkId, Record<date, DayData>>` | Schedule data keyed by park ID and date |
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| `rideCounts` | `Record<parkId, number>` | Number of open rides per park (only for currently operating parks with rides reporting) |
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| `coasterCounts` | `Record<parkId, number>` | Number of open coasters per park |
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| `openParkIds` | `string[]` | Parks currently within their operating window |
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| `closingParkIds` | `string[]` | Parks past close but within 1-hour wind-down |
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| `weatherDelayParkIds` | `string[]` | Parks within window but all rides closed |
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| `hasCoasterData` | `boolean` | Always `true` (coaster data is static) |
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| `scrapedCount` | `number` | Total day records returned (sanity check for empty database) |
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**Errors:**
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| Status | Body | Condition |
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|--------|------|-----------|
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| 400 | `{ "error": "Missing or invalid ?start=YYYY-MM-DD" }` | Missing or malformed `start` parameter |
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---
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### GET /api/calendar/:parkId/month
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Returns a month calendar for a single park.
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**Path Parameters:**
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| Param | Description |
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|-------|-------------|
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| `parkId` | Park identifier (e.g. `cedarpoint`, `greatadventure`) |
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**Query Parameters:**
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| Param | Required | Format | Description |
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|-------|----------|--------|-------------|
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| `month` | Yes | `YYYY-MM` | Month to fetch |
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**Cache:** `Cache-Control: public, max-age=300, stale-while-revalidate=600`
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**Response:**
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```json
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{
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"parkId": "cedarpoint",
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"year": 2026,
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"month": 6,
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"monthData": {
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"2026-06-01": {
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"isOpen": true,
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"hoursLabel": "10am – 10pm",
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"specialType": null
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},
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"2026-06-02": {
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"isOpen": true,
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"hoursLabel": "10am – 8pm",
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"specialType": null
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}
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},
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"today": "2026-04-23"
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}
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```
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If viewing the current month, today's data is fetched live from the Six Flags API and merged into the response.
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**Errors:**
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| Status | Body | Condition |
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|--------|------|-----------|
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| 400 | `{ "error": "Missing or invalid ?month=YYYY-MM" }` | Missing or malformed `month` parameter |
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| 400 | `{ "error": "Month must be 1-12" }` | Month value out of range |
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---
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### GET /api/parks
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Returns metadata for all 24 parks.
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**Cache:** `Cache-Control: public, max-age=3600`
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**Response:**
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```json
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{
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"parks": [
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{
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"id": "cedarpoint",
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"apiId": 70,
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"name": "Cedar Point",
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"shortName": "Cedar Point",
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"chain": "sixflags",
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"slug": "cedarpoint",
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"region": "Midwest",
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"location": {
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"lat": 41.4784,
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"lng": -82.6834,
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"city": "Sandusky",
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"state": "OH"
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},
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"timezone": "America/New_York",
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"website": "https://www.sixflags.com"
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}
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]
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}
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```
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---
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### GET /api/parks/:id
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Returns metadata for a single park.
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**Path Parameters:**
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| Param | Description |
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|-------|-------------|
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| `id` | Park identifier |
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**Cache:** `Cache-Control: public, max-age=3600`
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**Response:** A single `Park` object (same shape as one element of the `/api/parks` array).
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**Errors:**
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| Status | Body | Condition |
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|--------|------|-----------|
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| 404 | `{ "error": "Park not found" }` | Unknown park ID |
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---
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### GET /api/parks/:id/rides
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Returns live ride status or schedule fallback for a park.
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**Path Parameters:**
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| Param | Description |
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|-------|-------------|
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| `id` | Park identifier |
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**Cache:** `Cache-Control: public, max-age=60, stale-while-revalidate=120`
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**Response:**
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```json
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{
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"parkId": "cedarpoint",
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"today": "2026-04-23",
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"parkOpenToday": true,
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"withinWindow": true,
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"isWeatherDelay": false,
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"liveRides": {
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"rides": [
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{
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"name": "Steel Vengeance",
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"isOpen": true,
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"waitMinutes": 45,
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"lastUpdated": "2026-04-23T18:30:00.000Z",
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"isCoaster": true
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},
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{
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"name": "Millennium Force",
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"isOpen": false,
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"waitMinutes": 0,
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"lastUpdated": "2026-04-23T18:30:00.000Z",
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"isCoaster": true
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}
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],
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"fetchedAt": "2026-04-23T18:35:00.000Z"
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},
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"scheduleFallback": null
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}
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```
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**Response fields:**
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| Field | Type | Description |
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|-------|------|-------------|
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| `parkId` | `string` | Echo of the park ID |
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| `today` | `string` | Current date (with 3 AM switchover) |
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| `parkOpenToday` | `boolean` | Whether the park has hours scheduled today |
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| `withinWindow` | `boolean` | Whether current time is within operating hours |
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| `isWeatherDelay` | `boolean` | Park is open but all rides are closed |
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| `liveRides` | `LiveRidesResult \| null` | Queue-Times live data (null if park has no mapping or is outside window) |
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| `scheduleFallback` | `RidesFetchResult \| null` | Six Flags schedule data (only populated when liveRides is null) |
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**Data priority:**
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1. If a Queue-Times mapping exists and the park is tracked, `liveRides` is populated.
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2. If outside the operating window, all rides in `liveRides` are forced to `isOpen: false`.
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3. If no live data is available, `scheduleFallback` is fetched from the Six Flags schedule API for the nearest open date.
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**Errors:**
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| Status | Body | Condition |
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|--------|------|-----------|
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| 404 | `{ "error": "Park not found" }` | Unknown park ID |
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---
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### GET /api/status
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Health check endpoint with database statistics.
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**Response:**
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```json
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{
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"status": "ok",
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"uptime": 86400,
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"parks": 24,
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"database": {
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"totalDays": 8760,
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"lastScrape": "2026-04-23T14:00:12.000Z"
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},
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"lastScrapeResult": {
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"scope": "today",
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"fetched": 24,
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"skipped": 0,
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"errors": 0,
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"updated": 3,
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"startedAt": "2026-04-23T14:00:00.000Z",
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"finishedAt": "2026-04-23T14:00:12.000Z"
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}
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}
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```
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| Field | Type | Description |
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|-------|------|-------------|
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| `status` | `string` | Always `"ok"` |
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| `uptime` | `number` | Process uptime in seconds |
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| `parks` | `number` | Number of tracked parks (24) |
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| `database.totalDays` | `number` | Total rows in `park_days` table |
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| `database.lastScrape` | `string \| null` | ISO timestamp of the most recent `scraped_at` value |
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| `lastScrapeResult` | `ScrapeResult \| null` | Result of the last completed scrape (null if none has run yet) |
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---
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### POST /api/scrape/trigger
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Manually triggers a data scrape. See [Operations > Manual Scraping](OPERATIONS.md#manual-scraping) for detailed usage.
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**Query Parameters:**
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| Param | Required | Default | Values | Description |
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|-------|----------|---------|--------|-------------|
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| `scope` | No | `today` | `today`, `month`, `upcoming`, `full`, `force` | What to scrape |
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**Scope details:**
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| Scope | What it scrapes | Staleness check | Inter-park delay |
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|-------|----------------|-----------------|------------------|
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| `today` | Today's hours only | No (uses diff-before-write) | 500ms |
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| `month` | Current month | Yes (skips if fresh) | 1000ms |
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| `upcoming` | Current + next month | Yes | 1000ms |
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| `full` | All 12 months | Yes | 1000ms |
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| `force` | All 12 months | **No** (ignores staleness) | 1000ms |
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**Response:**
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```json
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{
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"scope": "today",
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"fetched": 24,
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"skipped": 0,
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"errors": 0,
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"updated": 3,
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"startedAt": "2026-04-23T14:00:00.000Z",
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"finishedAt": "2026-04-23T14:00:12.000Z"
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}
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```
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**Errors:**
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| Status | Body | Condition |
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|--------|------|-----------|
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| 400 | `{ "error": "Invalid scope. Use: today, month, upcoming, full, force" }` | Unknown scope value |
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---
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## Data Types
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### DayData
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Core schedule data for a single park on a single day.
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```typescript
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interface DayData {
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isOpen: boolean; // Whether the park is open
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hoursLabel: string | null; // e.g. "10am – 6pm", null when closed
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specialType: string | null; // "passholder_preview" or null
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}
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```
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### Park
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Park metadata (static, defined in `lib/parks.ts`).
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```typescript
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interface Park {
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id: string; // Unique identifier (e.g. "cedarpoint")
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apiId: number; // Six Flags CloudFront API park ID
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name: string; // Full display name
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shortName: string; // Abbreviated name
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chain: string; // "sixflags"
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slug: string; // URL-safe slug
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region: string; // Geographic region
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location: {
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lat: number;
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lng: number;
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city: string;
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state: string;
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};
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timezone: string; // IANA timezone (e.g. "America/New_York")
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website: string; // Park website URL
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}
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```
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### LiveRide
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A single ride from the Queue-Times.com API.
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```typescript
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interface LiveRide {
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name: string; // Ride display name
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isOpen: boolean; // Currently operating
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waitMinutes: number; // Current wait time (0 if closed)
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lastUpdated: string; // ISO 8601 timestamp from Queue-Times
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isCoaster: boolean; // Classified as a roller coaster via RCDB data
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}
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```
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### LiveRidesResult
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Container for live ride data.
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```typescript
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interface LiveRidesResult {
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rides: LiveRide[]; // All rides, sorted: open first, then alphabetical
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fetchedAt: string; // ISO timestamp of when we fetched from Queue-Times
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}
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```
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### RidesFetchResult
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Schedule-based ride data (fallback when live data is unavailable).
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```typescript
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interface RidesFetchResult {
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rides: RideStatus[]; // Rides with scheduled open/close times
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dataDate: string; // YYYY-MM-DD the data came from (may differ from requested date)
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isExact: boolean; // true if dataDate matches requested date
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parkHoursLabel?: string; // Park-level hours for the data date
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}
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interface RideStatus {
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name: string;
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isOpen: boolean; // Has scheduled operating hours
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hoursLabel?: string; // e.g. "10am – 10pm"
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}
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```
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### ScrapeResult
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Result of a scraping operation.
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```typescript
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interface ScrapeResult {
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scope: string; // What was scraped (e.g. "today", "months(2026-04)")
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fetched: number; // API calls made successfully
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skipped: number; // Skipped due to staleness or null response
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errors: number; // Failed API calls
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updated: number; // Database rows written
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startedAt: string; // ISO timestamp
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finishedAt: string; // ISO timestamp
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}
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```
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