<?php 
################################################################
# @(#) $Id: generic_item.inc,v 1.13 2001/08/15 22:33:52 andr Exp $
# 
# A.Gaponenko, June 2001
#

require("edit_utils.inc");

$scriptid .= '@(#) $Id: generic_item.inc,v 1.13 2001/08/15 22:33:52 andr Exp $';

################################################################     
if($send) {
    ## strip spaces where they should be ignored
    mytrim( array( 'status_date'
	    ), 
	    $HTTP_POST_VARS
    );

    ## HTML-escape all posted data and reset vars in current scope
    esc_r($HTTP_POST_VARS);
    extract($HTTP_POST_VARS, EXTR_OVERWRITE);
    $comment=chop($comment);

    $errflag = 0;
    $modstr = "";

    $modstr .= change4_str( "Status", 'status', 
			    $errflag, $HTTP_POST_VARS);

    ################################################################    
    if($modstr || $comment) {
        send_html_header("$self_name $item_id");
	echo "<H1>$self_name $item_id</H1>\n";

	echo "<FORM action=view_item.php method=POST>\n"
	     ."<input type=hidden name=item_type value=\"$item_type\">\n"
	     ."<input type=hidden name=item_id value=\"$item_id\">\n"
	     ."<input type=hidden name=comment value=\"$comment\">\n"

	     ."<input type=hidden name=status value=\"$status\">\n"
	     ."<input type=hidden name=old_status value=\"$old_status\">\n"
	     ."<input type=hidden name=status_date value=\"$status_date\">\n"
	     ."<input type=hidden name=old_status_date value=\"$old_status_date\">\n"

	     ##----------------
	     ."\n<table>\n"
	     ##----------------

	     . ($modstr ? 
	                 "<tr><td>\n"
			 ."<TABLE border width=100% cellpadding=4>\n"
	                 ."<TR>\n"
	                 ."<TD><b>You want to change</b></TD>\n"
	                 ."<TD><b>from</b></TD>\n"
	                 ."<TD><b>to</b></TD>\n"
	                 ."<TD><b>work date</b></TD>\n"
	                 ."</TR>\n"
	                 . $modstr
	                 ."</TABLE>\n"
			 ."</td></tr>\n"
			 : ""
	     )
	     ##----------------
	     . ($comment ? 
	                 "<tr><td>".
			 "<p><b>Your comment is:</b><br><tt><pre>\n"
			 ."$comment</pre></tt></p>\n"
			 ."</td></tr>\n"
			 : "" 
             )
	     
	     ##----------------
	     ."\n</table>\n"
	     ##----------------
	     . ($errflag ? "" :
			   "<input type=submit name=confirm "
			   ."value=\"Confirm\">\n"
	     )
 
	     ."<input type=submit name=reset value=\"Cancel everything\">\n"

	     .' <b>OR Press the <i>Back</i> button of your browser'
	     .' to edit your input</b><br>';

	     ;

    }
    else {
        send_html_header("$self_name $item_id");
	echo "<H1>$self_name $item_id</H1>\n";
	
	echo "<FORM action=view_item.php method=POST>\n"
	     ."<input type=hidden name=item_type value=\"$item_type\">\n"
	     ."<input type=hidden name=item_id value=\"$item_id\">\n"
	     ."You didn't modify anything. "
	     ."<input type=submit name=reset value=\"OK\">\n"
	     ;
    }
    send_common_trailer();
    exit;

}

################################################################     
if($confirm) {
    ## HTML-escape all posted data and reset vars in current scope
    esc_r($HTTP_POST_VARS);
    extract($HTTP_POST_VARS, EXTR_OVERWRITE);

    $err = '';

    $op = 'edit_generic_item';
    if(!start_transaction($conn,$op,$scriptid,$comment)) {
	$err .= "Can't start transaction.";
    }	    
    else {
	## ----------------------------------------------------------------
        $sernum = make_sernum($conn, $item_id, $item_type);
	## ----------------------------------------------------------------
	if($comment) {
	    $q = pg_exec( $conn, 
			  "INSERT INTO item_comment"
			  ." (tn,sernum,workdate)"
			  ." values"
			  ." (currval('tn'),$sernum,'now');"
			  );
            if(!$q) {
	        $err .= "Error setting comment.<br>\n";
	    }
	}
	## ----------------------------------------------------------------
        $res = check_change4('status', $HTTP_POST_VARS);
        if($res['error']) {
	    $err .= "Error verifying 'status' vars: $res[error].<br>\n";
	}
	elseif($res['diff']) {
	    $err .= edit_set_selected( $sernum, $status, $status_date, 
				       'status', 'statuses', 'status');
	}
	## ================================================================
	if(!$err) {
    	    if(!pg_exec($conn, "COMMIT;")) {
    		$err .= "Error commiting changes.";
    	    }
	}

    }    
    ################################################################
    ## Exit on a error. But, if DB is successfully modified
    ## just continue to display an updated page.

    if($err) {
        pg_exec($conn, "ROLLBACK;");

        echo "<FORM method=POST>\n"
	     ."<font color=red>$err</font><br>\n"
	     ."<b>Database has not been modified.</b>\n"
	     ."<input type=hidden name=item_type value=\"$item_type\">\n"
	     ."<input type=hidden name=item_id value=\"$item_id\">\n"
	     ."<input type=submit name=reset value=\"Ok\">\n"
	     ."</FORM>\n"
	     ;
	send_common_trailer();
        exit;
    }
}

################################################################     
# Query DB about current item parameters

    ## ================================================================
    ## Prepare status info

    $res = edit_get_status($item_id, $item_type);
    if($statusarr['error']) {
        echo "<font color=red>$res[error]</font><br>";
    }
    $status         = $res['status'];
    $status_date    = $res['date'];
    $status_set	    = $res['isset'];
    $status_options = $res['options'];
    
    ## ================================================================
    ## Where is the item installed?

    $res = edit_get_base($sernum);
    if($res['error']) {
        echo "<font color=red>$res[error]</font><br>";
    }
    
    $base_sernum = $res['base_sernum'];
    $base_date	 = $res['date'];
    $base_desc	 = $res['description'];

    ## ----------------------------------------------------------------
    $comments = get_comments($sernum);

################################################################
# Display a form with current parameters as default values

    send_html_header("$self_name $item_id");

    echo "<FORM action=view_item.php method=POST>\n"

	 ."<H1>$self_name $item_id</H1>\n"
	 ."<input type=hidden name=item_type value=\"$item_type\">\n"
	 ."<input type=hidden name=item_id value=\"$item_id\">\n"

	 # --------------------------------
	 ."<div>\n"
	 ."<p>Status:"
	 ."<input type=hidden name=old_status"
	 ."  value=\"$status\">\n"
	 ."<select name=status>\n"
	 . $status_options
	 ."</select>\n"

	 . ($status_set? "" : "(default)  " )

	 ." Status change date: "
	 ."</TD><TD align=left>\n"
	 ."<input type=text name=status_date size=23"
	 ."  value=\"$status_date\">\n"
	 ."<input type=hidden name=old_status_date"
	 ."  value=\"$status_date\">\n"
	 ."</div>\n"

	 # --------------------------------
	 ."<div><p>\n"
	 . ($base_sernum ? 
	     "Installed in "
	     ."<a href=view_item.php?sernum=$base_sernum>\n"
	     ."$base_desc " 
	     . format_default_id($base_sernum)
	     ."</a>"
	     ." on $base_date"
	     : "Not installed. "
	   )

	 ."</div>\n"
	 # --------------------------------

	 ."<div>\n"
	 ."<p>Comment to add<br>\n"
	 .' <textarea name="comment" rows="3" cols="80">'
	 .'</textarea>'
	
	 ."</div>\n"

	 # ----------------
	 ."<div>\n"
	 ."<input type=submit name=send value=\"Submit changes\">\n"
	 ."<input type=submit name=reset value=\"Reload page\">\n"
	 ."</div>\n"
	 # ----------------------------------------------------------------
	 .( $comments ? 

		"<div><hr>\n"
		."<i>Existing comments about "
		."<b>$self_name</b> $item_id</i>:\n"
		. $comments
		."</div>\n"
		:
		""
		)

	 # ----------------------------------------------------------------

	 ."</FORM>\n"

	 ;

################################################################     

?>