Added more debugging messages to pub import

tripal_pub/api/tripal_pub.api.inc

@@ -649,6 +649,12 @@ function tripal_pub_add_publication($pub_details, &$action, $do_contact = FALSE,
     $results = tripal_pub_get_pubs_by_dbxref($pub_details['Publication Dbxref']);
     if(count($results) == 1) {
       $pub_id = $results[0];
+      if ($pub_id and !$update_if_exists) {
+        watchdog('tripal_pub', "A publication with this Dbxref already exists... Skipping: %dbxref", 
+          array('%dbxref' => $pub_details['Publication Dbxref']), WATCHDOG_WARNING);
+        $action = 'skipped';
+        return $pub_id;
+      }
     }
     elseif (count($results) > 1) {
       watchdog('tripal_pub', "There are two publications with this accession: %db:%accession. Cannot determine which to update.",
@@ -666,6 +672,13 @@ function tripal_pub_add_publication($pub_details, &$action, $do_contact = FALSE,
     $results = tripal_pub_get_pubs_by_title_type_pyear_series($pub_details['Title'], NULL, $pub_details['Year']);
     if (count($results) == 1) {
       $pub_id = $results[0];
+      if ($pub_id and !$update_if_exists) {
+        watchdog('tripal_pub', "The publication with the same title, type and year already exists. Skipping. ".
+          " Title: '%title'. Type: '%type'. Year: '%year'", 
+          array('%title' => $pub_details['Title'], '%type' => $pub_details['Publication Type'], '%year' => $pub_details['Year']), WATCHDOG_WARNING);
+        $action = 'skipped';
+        return $pub_id;
+      }
     }
     elseif (count($results) > 1) {
       watchdog('tripal_pub', "The publication with the same title, type and year is present multiple times. Cannot ".
@@ -675,12 +688,6 @@ function tripal_pub_add_publication($pub_details, &$action, $do_contact = FALSE,
       return FALSE;
     }
   }
-  //print "PUB ID: $pub_id\n";
-  // if there is a pub id and we've been told not to update then return
-  if ($pub_id and !$update_if_exists) {
-    $action = 'skipped';
-    return $pub_id;
-  }
 
   // get the publication type (use the first publication type, any others will get stored as properties)
   if (is_array($pub_details['Publication Type'])) {