feed generator

diff --git a/include/items.php b/include/items.php
new file mode 100644 (file)
index 0000000..d0ec64f
--- /dev/null
+++ b/include/items.php
@@ -0,0 +1,133 @@
+<?php
+
+
+function get_feed_for(&$a,$dfrn_id,$owner_id,$last_update) {
+
+       // default permissions - anonymous user
+
+       $sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = '' ";
+
+       $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
+               intval($owner_id)
+       );
+       if(count($r))
+               $owner = $r[0];
+       else
+               killme();
+
+       if($dfrn_id != '*') {
+
+               $r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' LIMIT 1",
+                       dbesc($dfrn_id)
+               );
+               if(! count($r))
+                       return false;
+
+               $contact = $r[0];
+               $groups = init_groups_visitor($contact['id']);
+
+
+               $gs = '<<>>'; // should be impossible to match
+               if(count($groups)) {
+                       foreach($groups as $g)
+                               $gs .= '|<' . intval($g) . '>';
+               } 
+               $sql_extra = sprintf(
+                       " AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' ) 
+                       AND ( `deny_cid` = '' OR  NOT `deny_cid` REGEXP '<%d>' ) 
+                       AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
+                       AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s') ",
+
+                       intval($_SESSION['visitor_id']),
+                       intval($_SESSION['visitor_id']),
+                       dbesc($gs),
+                       dbesc($gs)
+               );
+       }
+
+       if(! strlen($last_update))
+               $last_update = 'now - 30 days';
+       $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
+
+       $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, 
+               `contact`.`name`, `contact`.`photo`, `contact`.`url`, 
+               `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`, 
+               `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`
+               FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
+               WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0
+               AND `item`.`type` != 'remote' AND `contact`.`blocked` = 0 
+               AND `item`.`edited` > '%s'
+               $sql_extra
+               ORDER BY `parent` DESC, `id` ASC LIMIT 0, 300",
+               intval($owner_id),
+               dbesc($check_date)
+       );
+       if(! count($r))
+               killme();
+
+       $items = $r;
+
+       $feed_template = file_get_contents('view/atom_feed.tpl');
+       $tomb_template = file_get_contents('view/atom_tomb.tpl');
+       $item_template = file_get_contents('view/atom_item.tpl');
+       $cmnt_template = file_get_contents('view/atom_cmnt.tpl');
+
+       $atom = '';
+
+
+       $atom .= replace_macros($feed_template, array(
+                       '$feed_id' => xmlify($a->get_baseurl()),
+                       '$feed_title' => xmlify($owner['name']),
+                       '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , 'Y-m-d\TH:i:s\Z')) ,
+                       '$name' => xmlify($owner['name']),
+                       '$profile_page' => xmlify($owner['url']),
+                       '$photo' => xmlify($owner['photo'])
+       ));
+
+       foreach($items as $item) {
+               if($item['deleted']) {
+                       $atom .= replace_macros($tomb_template, array(
+                               '$id' => xmlify(((strlen($item['remote-id'])) ? $item['remote-id'] : "urn:X-dfrn:$baseurl:{$owner['uid']}:{$item['hash']}")),
+                               '$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , 'Y-m-d\TH:i:s\Z'))
+                       ));
+               }
+               else {
+
+                       if($item['parent'] == $item['id']) {
+                               $atom .= replace_macros($item_template, array(
+                                       '$name' => xmlify($item['name']),
+                                       '$profile_page' => xmlify($item['url']),
+                                       '$thumb' => xmlify($item['thumb']),
+                                       '$owner_name' => xmlify($item['owner-name']),
+                                       '$owner_profile_page' => xmlify($item['owner-link']),
+                                       '$owner_thumb' => xmlify($item['owner-avatar']),
+                                       '$item_id' => xmlify(((strlen($item['remote-id'])) ? $item['remote-id'] : "urn:X-dfrn:$baseurl:{$owner['uid']}:{$item['hash']}")),
+                                       '$title' => xmlify($item['name']),
+                                       '$published' => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , 'Y-m-d\TH:i:s\Z')),
+                                       '$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , 'Y-m-d\TH:i:s\Z')),
+                                       '$content' =>xmlify($item['body']),
+                                       '$comment_allow' => (($item['last-child'] && strlen($contact['dfrn-id'] && (! $contact['blocked']))) ? 1 : 0)
+                               ));
+                       }
+                       else {
+                               $atom .= replace_macros($cmnt_template, array(
+                                       '$name' => xmlify($item['name']),
+                                       '$profile_page' => xmlify($item['url']),
+                                       '$thumb' => xmlify($item['thumb']),
+                                       '$item_id' => xmlify(((strlen($item['remote-id'])) ? $item['remote-id'] : "urn:X-dfrn:$baseurl:{$owner['uid']}:{$item['hash']}")),
+                                       '$title' => xmlify($item['title']),
+                                       '$published' => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , 'Y-m-d\TH:i:s\Z')),
+                                       '$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , 'Y-m-d\TH:i:s\Z')),
+                                       '$content' =>xmlify($item['body']),
+                                       '$parent_id' => xmlify("urn:X-dfrn:$baseurl:{$owner['uid']}:{$items[0]['hash']}"),
+                                       '$comment_allow' => (($item['last-child']) ? 1 : 0)
+                               ));
+                       }
+               }
+       }
+
+
+       $atom .= "</feed>\r\n";
+
+       return $atom;
+} 
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