From af7c0ce9ec927365d57e422e52bb4c5f7b953e97 Mon Sep 17 00:00:00 2001
From: Julian Waller <julian@superfly.tv>
Date: Thu, 11 Oct 2018 17:44:50 +0100
Subject: [PATCH] feat: slot info command

---
 src/codes.ts             |  2 ++
 src/commands/index.ts    |  1 +
 src/commands/slotInfo.ts | 58 ++++++++++++++++++++++++++++++++++++++++
 src/enums.ts             |  7 +++++
 src/hyperdeck.ts         | 19 +++++++++----
 5 files changed, 82 insertions(+), 5 deletions(-)
 create mode 100644 src/commands/slotInfo.ts

diff --git a/src/codes.ts b/src/codes.ts
index 7244629..2a0c6db 100644
--- a/src/codes.ts
+++ b/src/codes.ts
@@ -24,6 +24,7 @@ export enum ErrorCode {
 
 export enum SynchronousCode {
 	OK = 200,
+	SlotInfo = 202,
 	DeviceInfo = 204,
 	TransportInfo = 208,
 	Notify = 209
@@ -31,6 +32,7 @@ export enum SynchronousCode {
 
 export enum AsynchronousCode {
 	ConnectionInfo = 500,
+	SlotInfo = 502,
 	TransportInfo = 508
 }
 
diff --git a/src/commands/index.ts b/src/commands/index.ts
index 2d61a20..907b39b 100644
--- a/src/commands/index.ts
+++ b/src/commands/index.ts
@@ -4,5 +4,6 @@ export { ConnectionInfoResponse } from './connect'
 export * from './deviceInfo'
 export * from './notify'
 export * from './record'
+export * from './slotInfo'
 export * from './stop'
 export * from './transportInfo'
diff --git a/src/commands/slotInfo.ts b/src/commands/slotInfo.ts
new file mode 100644
index 0000000..3b06891
--- /dev/null
+++ b/src/commands/slotInfo.ts
@@ -0,0 +1,58 @@
+import { SynchronousCode } from '../codes'
+import { SlotId, VideoFormat, SlotStatus } from '../enums'
+import { ResponseMessage, NamedMessage } from '../message'
+import { AbstractCommandBase } from './abstractCommand'
+import { parseIntIfDefined } from './util'
+
+export interface SlotInfoCommandResponse {
+	SlotId: SlotId
+	Status: SlotStatus
+	VolumeName: string
+	RecordingTime: number
+	VideoFormat: VideoFormat
+}
+
+export class SlotInfoCommand extends AbstractCommandBase<SlotInfoCommandResponse> {
+	expectedResponseCode = SynchronousCode.SlotInfo
+
+	deserialize (msg: ResponseMessage) {
+		const res: SlotInfoCommandResponse = {
+			SlotId: parseInt(msg.Params['slot id'], 10),
+			Status: msg.Params['status'] as SlotStatus,
+			VolumeName: msg.Params['volume name'],
+			RecordingTime: parseInt(msg.Params['recording time'], 10),
+			VideoFormat: msg.Params['video format'] as VideoFormat
+		}
+		return res
+	}
+	serialize () {
+		const res: NamedMessage = {
+			Name: 'slot info',
+			Params: {}
+		}
+
+		return res
+	}
+}
+
+export interface SlotInfoChangeResponse {
+	SlotId: SlotId
+	Status?: SlotStatus
+	VolumeName?: string
+	RecordingTime?: number
+	VideoFormat?: VideoFormat
+}
+
+export class SlotInfoChange {
+
+	deserialize (msg: ResponseMessage) {
+		const res: SlotInfoChangeResponse = {
+			SlotId: parseInt(msg.Params['slot id'], 10),
+			Status: msg.Params['status'] as SlotStatus,
+			VolumeName: msg.Params['volume name'],
+			RecordingTime: parseIntIfDefined(msg.Params['recording time']),
+			VideoFormat: msg.Params['video format'] as VideoFormat
+		}
+		return res
+	}
+}
diff --git a/src/enums.ts b/src/enums.ts
index 0165167..ee219c3 100644
--- a/src/enums.ts
+++ b/src/enums.ts
@@ -14,6 +14,13 @@ export enum SlotId {
 	SlotTwo = 2
 }
 
+export enum SlotStatus {
+	Empty = 'empty',
+	Mounting = 'mounting',
+	Error = 'error',
+	Mounted = 'mounted'
+}
+
 export enum VideoFormat {
 	NTSC = 'NTSC',
 	PAL = 'PAL',
diff --git a/src/hyperdeck.ts b/src/hyperdeck.ts
index fc51faa..4a16133 100644
--- a/src/hyperdeck.ts
+++ b/src/hyperdeck.ts
@@ -2,7 +2,7 @@ import { EventEmitter } from 'events'
 import { Socket } from 'net'
 
 import { ResponseCodeType, GetResponseCodeType, AsynchronousCode } from './codes'
-import { AbstractCommand, TransportInfoChange } from './commands'
+import { AbstractCommand, TransportInfoChange, SlotInfoChange } from './commands'
 import { ResponseMessage } from './message'
 import { DummyConnectCommand } from './commands/connect'
 import { parseResponse, buildMessageStr } from './parser'
@@ -181,10 +181,19 @@ export class Hyperdeck extends EventEmitter {
 				// Only received at startup, and handled by a command
 				break
 			case AsynchronousCode.TransportInfo:
-				const handler = new TransportInfoChange()
-				const r = handler.deserialize(msg)
-				this.emit('transportInfo', r)
-				break
+				{
+					const handler = new TransportInfoChange()
+					const r = handler.deserialize(msg)
+					this.emit('transportInfo', r)
+					break
+				}
+			case AsynchronousCode.SlotInfo:
+				{
+					const handler = new SlotInfoChange()
+					const r = handler.deserialize(msg)
+					this.emit('slotInfo', r)
+					break
+				}
 			default:
 				this._log('unknown async response:', msg)
 				break