Add instant mix to album screen

components/music/MusicAlbumDetails.brs

@@ -3,6 +3,7 @@ sub init()
     setupMainNode()
 
     m.playAlbum = m.top.findNode("playAlbum")
+    m.instantMix = m.top.findNode("instantMix")
     m.albumCover = m.top.findNode("albumCover")
     m.songList = m.top.findNode("songList")
     m.infoGroup = m.top.FindNode("infoGroup")
@@ -112,12 +113,20 @@ function onKeyEvent(key as string, press as boolean) as boolean
         return false
     end if
 
-    if key = "right" and m.playAlbum.hasFocus()
+    if key = "right"
+        if m.playAlbum.hasFocus() or m.instantMix.hasFocus()
             m.songList.setFocus(true)
             return true
+        end if
     else if key = "left" and m.songList.hasFocus()
         m.playAlbum.setFocus(true)
         return true
+    else if key = "down" and m.playAlbum.hasFocus()
+        m.instantMix.setFocus(true)
+        return true
+    else if key = "up" and m.instantMix.hasFocus()
+        m.playAlbum.setFocus(true)
+        return true
     end if
 
     return false

components/music/MusicAlbumDetails.xml

@@ -10,6 +10,7 @@
           <Label id="runtime" width="450" height="25" />
           <Label id="released" width="450" height="25" />
           <JFButton id="playAlbum" minChars="8" text="Play Album"></JFButton>
+          <JFButton id="instantMix" minChars="8" text="Instant Mix"></JFButton>
         </LayoutGroup>
         <LayoutGroup id="infoGroup" layoutDirection="vert" itemSpacings="[15]">
           <Label id="overview" wrap="true" height="310" width="1250" ellipsisText=" ...  (Press * to read more)" />
@@ -26,6 +27,7 @@
     <field id="albumData" type="assocarray" alias="songList.MusicArtistAlbumData" />
     <field id="playSong" alias="songList.itemSelected" />
     <field id="playAllSelected" alias="playAlbum.buttonSelected" />
+    <field id="instantMixSelected" alias="instantMix.buttonSelected" />
   </interface>
   <script type="text/brightscript" uri="pkg:/source/utils/misc.brs" />
   <script type="text/brightscript" uri="MusicAlbumDetails.brs" />

source/Main.brs

@@ -201,6 +201,13 @@ sub Main (args as dynamic) as void
             m.spinner = screenContent.findNode("spinner")
             m.spinner.visible = true
             group = CreateAudioPlayerGroup(screenContent.albumData.items)
+        else if isNodeEvent(msg, "instantMixSelected")
+            ' User has selected instant mix
+            ' User has selected playlist of of audio they want us to play
+            screenContent = msg.getRoSGNode()
+            m.spinner = screenContent.findNode("spinner")
+            m.spinner.visible = true
+            group = CreateInstantMixGroup(screenContent.albumData.items)
         else if isNodeEvent(msg, "episodeSelected")
             ' If you select a TV Episode from ANYWHERE, follow this flow
             node = getMsgPicker(msg, "picker")

source/ShowScenes.brs

@@ -380,6 +380,7 @@ function CreateMusicArtistDetailsGroup(musicartist)
         group.albumData = MusicSongList(musicartist.id)
         group.observeField("playSong", m.port)
         group.observeField("playAllSelected", m.port)
+        group.observeField("instantMixSelected", m.port)
     else
         ' User has albums under artists
         group = CreateObject("roSGNode", "MusicArtistDetails")
@@ -407,6 +408,9 @@ function CreateMusicAlbumDetailsGroup(album)
     ' Watch for user click on Play button on album
     group.observeField("playAllSelected", m.port)
 
+    ' Watch for user click on Instant Mix button on album
+    group.observeField("instantMixSelected", m.port)
+
     return group
 end function
 
@@ -481,6 +485,30 @@ function CreateAudioPlayerGroup(audiodata)
     return group
 end function
 
+' Play Instant Mix
+function CreateInstantMixGroup(audiodata)
+
+    songList = CreateInstantMix(audiodata[0].id)
+
+    group = CreateObject("roSGNode", "NowPlaying")
+    group.observeField("state", m.port)
+    songIDArray = CreateObject("roArray", 0, true)
+
+    ' All we need is an array of Song IDs the user selected to play.
+    for each song in songList.items
+        songIDArray.push(song.id)
+    end for
+
+    songIDArray.shift()
+
+    group.pageContent = songIDArray
+    group.musicArtistAlbumData = songList.items
+
+    m.global.sceneManager.callFunc("pushScene", group)
+
+    return group
+end function
+
 function CreatePersonView(personData as object) as object
     person = CreateObject("roSGNode", "PersonDetails")
     m.global.SceneManager.callFunc("pushScene", person)

source/api/Items.brs

@@ -209,6 +209,17 @@ function AudioItem(id as string)
     return getJson(resp)
 end function
 
+' Get Instant Mix based on item
+function CreateInstantMix(id as string)
+    url = Substitute("/Items/{0}/InstantMix", id)
+    resp = APIRequest(url, {
+        "UserId": get_setting("active_user"),
+        "Limit": 201
+    })
+
+    return getJson(resp)
+end function
+
 function AudioStream(id as string)
     songData = AudioItem(id)