From 6f01f79829de3577c4f74899bb2eedd2470f915f Mon Sep 17 00:00:00 2001
From: Hari Karam Singh <harikaram@regallygraceful.com>
Date: Wed, 26 Oct 2011 18:21:27 +0100
Subject: [PATCH] Add auto-tagging from IPTC keywords on upload including
 setting.

---
 mediatags_admin.php    |   67 +++++++++++++++++++++++++++++++++++++++++++++--
 mediatags_settings.php |   28 ++++++++++++++++++++
 2 files changed, 92 insertions(+), 3 deletions(-)

diff --git a/mediatags_admin.php b/mediatags_admin.php
index b077f1f..0d97eb6 100755
--- a/mediatags_admin.php
+++ b/mediatags_admin.php
@@ -27,6 +27,9 @@ function mediatags_admin_init()
    // Handle Export/Import interaction
    add_action('export_wp',                         'mediatags_wp_export_metadata');
    add_action('import_post_meta',                  'mediatags_wp_import_metadata', 10, 3);
+
+    // Auto-tagging
+    add_filter( 'added_post_meta',                  'mediatags_autotag_from_iptc_keywords', 10, 4);

    $mediatag_admin_bulk_library                    = get_option('mediatag_admin_bulk_library', 'yes');
    $mediatag_admin_bulk_inline                     = get_option('mediatag_admin_bulk_inline', 'yes');
@@ -113,7 +116,7 @@ function mediatags_admin_init()
        //wp_enqueue_style( 'mediatags-stylesheet', $mediatags->plugindir_url .'/css/mediatags_style_admin.css',
        //  false, $mediatags->plugin_version);
        //wp_enqueue_script('mediatags', $mediatags->plugindir_url .'/js/mediatags.js',
-       //  array('jquery'), $mediatags->plugin_version);
+       //      array('jquery'), $mediatags->plugin_version);
 // }

    if (function_exists('mediatags_settings_api_init'))
@@ -474,8 +477,8 @@ function mediatags_show_fields_to_edit($form_fields, $post)
        else
            $post_media_tags_fields = "<br />". __('Enter media tags in the space above.
            Enter multiple tags separated with comma.', MEDIA_TAGS_I18N_DOMAIN);
-
-       $form_fields['media-meta'] = array(
+
+        $form_fields['media-meta'] = array(
                'label' => __('Media-Tags:', MEDIA_TAGS_I18N_DOMAIN),
                'input' => 'html',
                'html' => "<input type='text' name='attachments[$post->ID][media_tags_input]'
@@ -1048,3 +1051,61 @@ function mediatags_edit_tags_fixes($parent_file)
        return $parent_file;
    }
 }
+
+
+// Auto tag (and save) images from the IPTC keywords
+function mediatags_autotag_from_iptc_keywords( $meta_id, $attachment_id, $meta_key, $meta_value )
+{
+    // Check that it's an upload and that our setting is on
+    // Do the action when _wp_attachment_metadata is first added in order to catch each attachment
+    if ( !$_POST['Upload'] || $meta_key != '_wp_attachment_metadata' ) return;
+    if ( 'yes' !== get_option( 'mediatags_autotag_from_iptc_keywords', 'yes' ) ) return;
+
+    // GRAB THE TAGS FROM THE IPTC KEYWORDS
+    // First get the supported image types
+    $image_file_types = apply_filters(
+        'wp_read_image_metadata_types',
+        array( IMAGETYPE_JPEG, IMAGETYPE_TIFF_II, IMAGETYPE_TIFF_MM )
+    );
+
+    // Get the file and info
+    $media_file = get_attached_file( $attachment_id );
+    list( , , $source_image_type ) = getimagesize( $media_file, $info );
+
+    // Check that it's an image type and IPTC is available
+    if (  !in_array( $source_image_type, $image_file_types )
+          || !function_exists('iptcparse')  ) {
+        return;
+    }
+
+    $iptc = iptcparse( $info['APP13'] );
+    $keywords = $iptc['2#025'];
+
+
+    // SAVE THE KEYWORDS
+    // Create the slugs and insert terms not in the db
+    $media_tags_array = array();
+    if ($keywords) {
+        foreach($keywords as $tag) {
+            $tag_slug = sanitize_title_with_dashes($tag);
+
+            if ( ! ($id = term_exists( $tag_slug, MEDIA_TAGS_TAXONOMY ) ) )
+                wp_insert_term($tag_val, MEDIA_TAGS_TAXONOMY, array('slug' => $tag_slug));
+
+            $media_tags_array[] = $tag_slug;
+        }
+    }
+
+    // Now relate them to the attachment post
+    $media_tags_slugs = array();
+    if ($media_tags_array) {
+        $media_tags_slugs = array();
+        foreach($media_tags_array as $media_tags_item) {
+            $media_tags_slugs[$media_tags_item] = sprintf("%s", $media_tags_item); // ??
+        }
+
+        wp_set_object_terms( $attachment_id, $media_tags_slugs, MEDIA_TAGS_TAXONOMY );
+    } else {
+        wp_set_object_terms( $attachment_id, "", MEDIA_TAGS_TAXONOMY ); // ?
+    }
+}
\ No newline at end of file
diff --git a/mediatags_settings.php b/mediatags_settings.php
index a1eb8cc..3ff64e2 100755
--- a/mediatags_settings.php
+++ b/mediatags_settings.php
@@ -122,6 +122,17 @@ function mediatags_settings_panel()
            update_option( 'mediatag_rss_feed', $mediatag_rss_feed );
            $update_message = _x("Media-Tags Settings have been updated.", 'update message', MEDIA_TAGS_I18N_DOMAIN);
        }
+
+       if (isset($_REQUEST['mediatag_autotag_on_upload']))
+       {
+           if (strtolower($_REQUEST['mediatag_autotag_on_upload']) == strtolower("yes"))
+               $mediatag_autotag_on_upload = "yes";
+           else
+               $mediatag_autotag_on_upload = "no";
+
+           update_option( 'mediatag_autotag_on_upload', $mediatag_autotag_on_upload );
+           $update_message = _x("Media-Tags Settings have been updated.", 'update message', MEDIA_TAGS_I18N_DOMAIN);
+       }
    }
    $title = _x('Media-Tags Settings', 'settings panel title', MEDIA_TAGS_I18N_DOMAIN);
    ?>
@@ -207,6 +218,23 @@ function mediatags_settings_panel()
                        <?php mediatag_settings_boxfooter(false); ?>


+                        <?php
+                        mediatag_settings_boxheader('mediatag-options-auto-tagging',
+                                __('Auto-Tag Settings for Uploaded Media', MEDIA_TAGS_I18N_DOMAIN));
+
+                        $mediatag_autotag_on_upload = get_option('mediatag_autotag_on_upload', 'yes');?>
+
+                        <p><?php _e("Media-Tags can extract the IPTC keywords for media files and auto-save them to newly uploaded media.", MEDIA_TAGS_I18N_DOMAIN); ?></p>
+
+                        <select id="mediatag_autotag_on_upload" name="mediatag_autotag_on_upload">
+                            <option selected="selected" value="yes"><?php
+                                echo _x('On', 'select option', MEDIA_TAGS_I18N_DOMAIN); ?></option>
+                            <option <?php if ($mediatag_autotag_on_upload == "no"){ echo ' selected="selected" ';} ?> value="no"><?php
+                                echo _x('Off', 'select option', MEDIA_TAGS_I18N_DOMAIN); ?></option>
+                        </select>
+                        <label for="mediatag_autotag_on_upload"><?php _e('Turn Auto-Tagging of Uploaded Files On/Off',
+                            MEDIA_TAGS_I18N_DOMAIN); ?></label>
+                        <?php mediatag_settings_boxfooter(false); ?>



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1.7.5.1