From dfd7fdf93811df91b6d7a7196b193ed7553dc010 Mon Sep 17 00:00:00 2001
From: winkm89 <michael.mtrv@gmail.com>
Date: Sun, 1 Aug 2021 19:05:33 +0200
Subject: [PATCH] Add ignore tags option for publication import

For #101
---
 admin/import-publications.php               | 14 +++++++----
 core/publications/class-bibtex-import.php   |  3 ++-
 core/publications/class-db-publications.php | 26 +++++++++++++--------
 3 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/admin/import-publications.php b/admin/import-publications.php
index 120bfdb..2805696 100644
--- a/admin/import-publications.php
+++ b/admin/import-publications.php
@@ -134,8 +134,9 @@ public static function import_actions ($post) {
             
             $settings = array(
                 'keyword_separator' => htmlspecialchars($post['keyword_option']),
-                'author_format' => htmlspecialchars($post['author_format']),
-                'overwrite' => isset( $post['overwrite']) ? true : false
+                'author_format'     => htmlspecialchars($post['author_format']),
+                'overwrite'         => isset( $post['overwrite'] ) ? true : false,
+                'ignore_tags'       => isset( $post['ignore_tags'] ) ? true : false,
             );
 
             // echo $bibtex;
@@ -145,9 +146,10 @@ public static function import_actions ($post) {
         
         // import from PubMed
         elseif ( isset($post['tp_pmid']) ) {
-            // TP_PubMed_Import only cares about overwrite.
+
             $settings = array(
-                'overwrite' => isset( $post['overwrite'] )
+                'overwrite'         => isset( $post['overwrite'] ),
+                'ignore_tags'       => isset( $post['ignore_tags'] ) ? true : false    
             );
             $entries = TP_PubMed_Import::init($post['tp_pmid'], $settings);
         }
@@ -180,7 +182,7 @@ public static function import_tab () {
                 <div style="text-align: center;">
                     <p style="text-align: center; font-weight: bold;"><?php _e('or','teachpress'); ?></p>
                     <label for="tp_pmid">PMID</label>
-                    <input name="tp_pmid" id="tp_pmid" title="<?php _e('Comma-separated list of PubMed identifiers','teachpress'); ?>" type="text">
+                    <input name="tp_pmid" id="tp_pmid" style="width:350px;" title="<?php _e('Comma-separated list of PubMed identifiers','teachpress'); ?>" type="text">
                     <p style="text-align: center; font-size: small;"><a href="https://www.ncbi.nlm.nih.gov/home/about/policies" target="_blank">NCBI Website and Data Usage Policies and Disclaimers</a></p>
                 </div>
             </div>
@@ -191,6 +193,8 @@ public static function import_tab () {
                     <div class="inside">
                         <p><strong><label for="overwrite"><?php _e('Publications','teachpress'); ?></label></strong></p>
                         <?php echo TP_Admin::get_checkbox('overwrite', __('Update existing publications','teachpress'), '', __('If the bibtex key is similar with a publication in the database, teachPress updates this publication with the import information.','teachpress')); ?>
+                        <br/>
+                        <?php echo TP_Admin::get_checkbox('ignore_tags', __('Ignore Tags','teachpress'), '', __('Ignore tags or keywords in the import data.','teachpress'));?>
                     </div>
                     <?php } ?>
                     <div id="major-publishing-actions" style="text-align: center;">
diff --git a/core/publications/class-bibtex-import.php b/core/publications/class-bibtex-import.php
index 1b9d309..b7c832a 100644
--- a/core/publications/class-bibtex-import.php
+++ b/core/publications/class-bibtex-import.php
@@ -141,10 +141,11 @@ public static function init ($input, $settings, $test = false) {
     protected static function import_publication_to_database ($entry, $tags, $settings) {
         $check = true;
         if ( $settings['overwrite'] === true ) {
-            $entry['entry_id'] = TP_Publications::change_publication_by_key($entry['bibtex'], $entry, $tags);
+            $entry['entry_id'] = TP_Publications::change_publication_by_key($entry['bibtex'], $entry, $tags, $settings['ignore_tags']);
             $check = ( $entry['entry_id'] === false ) ? false : true;
         }
         if ( $settings['overwrite'] === false || $check === false ) {
+            $tags = ( $settings['ignore_tags'] === true ) ? '' : $tags;
             $entry['entry_id'] = TP_Publications::add_publication($entry, $tags, '');
         }
         return $entry['entry_id'];
diff --git a/core/publications/class-db-publications.php b/core/publications/class-db-publications.php
index 9f787ab..e6d69bb 100644
--- a/core/publications/class-db-publications.php
+++ b/core/publications/class-db-publications.php
@@ -555,14 +555,15 @@ public static function change_publication($pub_id, $data, $bookmark, $delbox, $t
     
     /**
      * Update a publication by key (import option); Returns FALSE if there is no publication with the given key
-     * @param string $key       The BibTeX key
-     * @param array $input_data An associative array of publication data
-     * @param string $tags      An associative array of tags
+     * @param string $key           The BibTeX key
+     * @param array $input_data     An associative array of publication data
+     * @param string $tags          An associative array of tags
+     * @param boolean $ignore_tags  Update the tags o not, default: false
      * @return boolean|int
      * @since 5.0.0
-     * @version 2
+     * @version 3
      */
-    public static function change_publication_by_key($key, $input_data, $tags) {
+    public static function change_publication_by_key($key, $input_data, $tags, $ignore_tags = false) {
         global $wpdb;
 
         // Search if there is a publication with the given bibtex key
@@ -575,12 +576,17 @@ public static function change_publication_by_key($key, $input_data, $tags) {
         $data = wp_parse_args( $input_data, $search_pub );
         self::change_publication($search_pub['pub_id'], $data, '', '', '');
         
-        // Delete existing tags
-        $wpdb->query( "DELETE FROM " . TEACHPRESS_RELATION . " WHERE `pub_id` = " . $search_pub['pub_id'] );
+        // Update tags
+        if ( $ignore_tags === false ) {
+        
+            // Delete existing tags
+            $wpdb->query( "DELETE FROM " . TEACHPRESS_RELATION . " WHERE `pub_id` = " . $search_pub['pub_id'] );
+
+            // Add new tags
+            if ( $tags != '' ) {
+                TP_Publications::add_relation($search_pub['pub_id'], $tags);
+            }
         
-        // Add new tags
-        if ( $tags != '' ) {
-            TP_Publications::add_relation($search_pub['pub_id'], $tags);
         }
 
         return $search_pub['pub_id'];