1 files changed, 44 insertions, 0 deletions

diff --git a/music_sampler/actions/play.py b/music_sampler/actions/play.py
new file mode 100644
index 0000000..fdba95b
--- /dev/null
+++ b/music_sampler/actions/play.py
@@ -0,0 +1,44 @@
+def run(action, music=None, fade_in=0, start_at=0,
+        restart_if_running=False, volume=100,
+        loop=0, **kwargs):
+    for music in action.music_list(music):
+        if restart_if_running:
+            if music.is_in_use():
+                music.stop()
+            music.play(
+                    volume=volume,
+                    fade_in=fade_in,
+                    start_at=start_at,
+                    loop=loop)
+        elif not music.is_in_use():
+            music.play(
+                    volume=volume,
+                    fade_in=fade_in,
+                    start_at=start_at,
+                    loop=loop)
+
+def description(action, music=None, fade_in=0, start_at=0,
+        restart_if_running=False, volume=100, loop=0, **kwargs):
+    message = "starting "
+    if music is not None:
+        message += "« {} »".format(music.name)
+    else:
+        message += "all musics"
+
+    if start_at != 0:
+        message += " at {}s".format(start_at)
+
+    if fade_in != 0:
+        message += " with {}s fade_in".format(fade_in)
+
+    message += " at volume {}%".format(volume)
+
+    if loop > 0:
+        message += " {} times".format(loop + 1)
+    elif loop < 0:
+        message += " in loop"
+
+    if restart_if_running:
+        message += " (restarting if already running)"
+
+    return message