audio_attach errors

Hello,

I am trying to attach an audio file to a file product so that people can listen to part of a song before they buy it. I have run into some really serious issues when I try to edit an attached audio node. Whenever I first create the audio attachment everything goes well. Here is the var_dump($node) output of the very first audio_validate call, which is where I have run into some issues. All is well so far...

object(stdClass)(9) {
["title"]=>
string(17) "%title by %artist"
["status"]=>
int(1)
["uid"]=>
string(1) "1"
["name"]=>
string(5) "admin"
["created"]=>
int(1154295588)
["type"]=>
string(5) "audio"
["audio_file"]=>
object(stdClass)(6) {
["filename"]=>
string(19) "Seasons excerpt.mp3"
["filepath"]=>
string(35) "files/tmp/audio/Seasons excerpt.mp3"
["filemime"]=>
string(11) "audio/x-mp3"
["filesize"]=>
int(990792)
["source"]=>
string(12) "audio_upload"
["newfile"]=>
bool(true)
}
["audio_fileinfo"]=>
array(9) {
["fileformat"]=>
string(3) "mp3"
["mimetype"]=>
string(10) "audio/mpeg"
["playtime"]=>
string(4) "1:02"
["bitrate"]=>
int(128000)
["bitrate_mode"]=>
string(3) "cbr"
["channel_mode"]=>
string(6) "stereo"
["sample_rate"]=>
int(44100)
["downloadable"]=>
NULL
["filesize"]=>
int(990792)
}
["audio_tags"]=>
array(0) {
}
}

Note: I only have the title and the author tags defined in settings because they are the only ones required and I did not need the rest.

Now here is where things start to get a little tricky. I uploaded an mp3 file that did not have the title and the artist embedded in the file. Well, the title and the author defaulted to blank leaving the title for the audio file at 'by' because of the '%title by %author' default title. This is obviously not a very convienient title for a song so I tried to edit the audio node to manually fill in the title and the author tags. The song excerpt was correctly placed into the files/audio/ directory (This seemingly irrelevant information will be useful in a moment!). First things first, I get two errors;

* warning: Invalid argument supplied for foreach() in /usr/home/kw88keys/public_html/modules/audio/audio.module on line 1590.
* A file must be provided.

I have already attached a file though. But here is the funny part to me. When I do the same var_dump($node) as above in the audio_validate module where I get this 'A file must be provided.' error, I notice that it is called twice with different node variables...

object(stdClass)(7) {
["title"]=>
string(17) "%title by %artist"
["status"]=>
int(1)
["uid"]=>
string(1) "1"
["name"]=>
string(5) "admin"
["created"]=>
string(10) "1154295589"
["type"]=>
string(5) "audio"
["audio_file"]=>
object(stdClass)(5) {
["origname"]=>
string(19) "Seasons excerpt.mp3"
["filename"]=>
string(19) "Seasons excerpt.mp3"
["filepath"]=>
string(31) "files/audio/Seasons excerpt.mp3"
["filemime"]=>
string(11) "audio/x-mp3"
["filesize"]=>
string(6) "990792"
}
}

This is the first node that goes into the audio_validate hook. This node passes the validation with flying colors because of the $node->audio_file. I think this one is coming out of the audio_attach nodeapi hook. But the second confuses me. This is the dump of the second node passed into the audio_validate function (on the same submit).

object(stdClass)(35) {
["nid"]=>
string(3) "109"
["vid"]=>
string(3) "109"
["uid"]=>
string(1) "1"
["created"]=>
string(10) "1154295589"
["changed"]=>
string(10) "1154295589"
["type"]=>
string(5) "audio"
["title_format"]=>
string(17) "%title by %artist"
["body"]=>
string(0) ""
["format"]=>
string(1) "1"
["audio_upload"]=>
NULL
["audio_fileinfo"]=>
array(10) {
["downloadable"]=>
int(0)
["play_count"]=>
string(1) "0"
["download_count"]=>
string(1) "0"
["fileformat"]=>
string(3) "mp3"
["filesize"]=>
string(6) "990792"
["playtime"]=>
string(4) "1:02"
["sample_rate"]=>
string(5) "44100"
["channel_mode"]=>
string(6) "stereo"
["bitrate"]=>
string(6) "128000"
["bitrate_mode"]=>
string(3) "cbr"
}
["audio_tags"]=>
array(2) {
["artist"]=>
string(9) "Kent Webb"
["title"]=>
string(7) "Seasons"
}
["name"]=>
string(5) "admin"
["date"]=>
string(25) "2006-07-30 16:39:49 -0500"
["status"]=>
int(1)
["moderate"]=>
int(0)
["promote"]=>
int(1)
["sticky"]=>
int(0)
["revision"]=>
int(0)
["preview"]=>
string(7) "Preview"
["submit"]=>
string(6) "Submit"
["delete"]=>
string(6) "Delete"
["form_id"]=>
string(15) "audio_node_form"
["aid"]=>
int(111)
["audio_title"]=>
string(17) "%title by %artist"
["audio_publish"]=>
int(1)
["category"]=>
array(2) {
[87]=>
string(1) "0"
[50]=>
string(1) "0"
}
["comment"]=>
string(1) "0"
["ptype"]=>
string(1) "0"
["product_add"]=>
string(12) "Add to store"
["menu"]=>
array(7) {
["title"]=>
string(0) ""
["description"]=>
string(0) ""
["pid"]=>
string(1) "1"
["path"]=>
string(0) ""
["weight"]=>
string(1) "0"
["mid"]=>
int(0)
["type"]=>
string(2) "86"
}
["path"]=>
string(0) ""
["taxonomy"]=>
array(2) {
[87]=>
string(1) "0"
[50]=>
string(1) "0"
}
["upload"]=>
NULL
["attach"]=>
string(31) "http://webbtracks.com/upload/js"
}

This is more of a complete node structure and it is also the one that trips the validation error because of the lack of the audio_file attribute. It has audio_fileinfo but no audio_file, but you can clearly see that there is a file present but it lacks any reference to the file or the file path. So because of the failed validation none of the changes stick in the node and it reverts back to the original audio node information.

I really do not know why this validation is divided among two calls. Maybe it is because the audio attach is calling a separate validation but it REALLY, REALLY hinders the functionality of this audio_attach module. Could it be something I am doing or is no one else in need of editing an audio node and saving the changes. Whatever the case, this problem has me confused.

Thanks a lot for your help.
Adrian