Feat: Add stats home widget

HomeWidgets/README.md

@@ -2,7 +2,7 @@
 
 This scripts can be used as the backend for widgets on the home screen. They return a http response with html content that is displayed in the widget.
 
-## AlbumsWidget
+## WidgetAlbums
 
 Lists newest or random albums.
 
@@ -11,15 +11,27 @@ Lists newest or random albums.
 | entries | Number of albums to list. |
 | view | `random` or `newest` |
 
-## BatteryIndicatorWidget
+## WidgetBatteryIndicator
 
 Reads the battery capacity from the sys filesystem.
 
 | ARGUMENT | DESCRIPTION |
 | -------- | ----------- |
 | battery | The battery sys folder, e.g. `BAT0` |
 
-## SongsWidget
+## WidgetPlaylists
+
+Lists newest playlists.
+
+| ARGUMENT | DESCRIPTION |
+| -------- | ----------- |
+| entries | Number of playlists to list. |
+
+## WidgetStats
+
+Show MPD database statistics.
+
+## WidgetSongs
 
 Lists newest or random songs.
 

HomeWidgets/WidgetStats.lua

@@ -0,0 +1,16 @@
+-- {"name": "WidgetStats", "file": "HomeWidgets/WidgetStats.lua", "version": 1, "desc": "Home widget for MPD DB stats.", "order":0,"arguments":[]}
+local headers = "Content-type: text/html\r\n"
+
+local rc, result = mympd.api("MYMPD_API_STATS", {})
+local rows = {}
+if rc == 0 then
+    table.insert(rows, "<tr><th>Artists</th><td>" .. mympd.htmlencode(result.artists) .. "</td></tr>")
+    table.insert(rows, "<tr><th>Albums</th><td>" .. mympd.htmlencode(result.albums) .. "</td></tr>")
+    table.insert(rows, "<tr><th>Songs</th><td>" .. mympd.htmlencode(result.songs) .. "</td></tr>")
+end
+
+local body = "<table class=\"table\">" ..
+    table.concat(rows) ..
+    "</table>"
+
+return mympd.http_reply("200", headers, body)