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refactor opml import/export code

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fix opml to properly handle nested categories
allow creating categories with same name in different parent categories
master
Andrew Dolgov 12 years ago
parent 3a9d5c6e88
commit d2a317e3c8
2 changed files with 232 additions and 267 deletions
Show Stats Download Patch File Download Diff File

36
include/functions.php
Unescape Escape View File

@ -4293,21 +4293,49 @@
}
}
function add_feed_category($link, $feed_cat) {
function get_feed_category($link, $feed_cat, $parent_cat_id = false) {
if ($parent_cat_id) {
$parent_qpart = "parent_cat = '$parent_cat_id'";
$parent_insert = "'$parent_cat_id'";
} else {
$parent_qpart = "parent_cat IS NULL";
$parent_insert = "NULL";
}
$result = db_query($link,
"SELECT id FROM ttrss_feed_categories
WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
if (db_num_rows($result) == 0) {
return false;
} else {
return db_fetch_result($result, 0, "id");
}
}
function add_feed_category($link, $feed_cat, $parent_cat_id = false) {
if (!$feed_cat) return false;
db_query($link, "BEGIN");
if ($parent_cat_id) {
$parent_qpart = "parent_cat = '$parent_cat_id'";
$parent_insert = "'$parent_cat_id'";
} else {
$parent_qpart = "parent_cat IS NULL";
$parent_insert = "NULL";
}
$result = db_query($link,
"SELECT id FROM ttrss_feed_categories
WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
if (db_num_rows($result) == 0) {
$result = db_query($link,
"INSERT INTO ttrss_feed_categories (owner_uid,title)
VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
"INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
db_query($link, "COMMIT");

329
opml.php
Unescape Escape View File

@ -13,130 +13,76 @@
if (!init_connection($link)) return;
function opml_import_domdoc($link, $owner_uid) {
if (is_file($_FILES['opml_file']['tmp_name'])) {
$doc = DOMDocument::load($_FILES['opml_file']['tmp_name']);
$result = db_query($link, "SELECT id FROM
ttrss_feed_categories WHERE title = 'Imported feeds' AND
owner_uid = '$owner_uid' LIMIT 1");
if (db_num_rows($result) == 1) {
$default_cat_id = db_fetch_result($result, 0, "id");
} else {
$default_cat_id = 0;
}
// Keep imported categories in order, after any pre-existing ones.
$new_cat_order_id = 0;
// Get the highest category order_id in use.
$result = db_query($link, "SELECT order_id FROM
ttrss_feed_categories WHERE owner_uid = '$owner_uid'
ORDER BY order_id DESC LIMIT 1");
if (db_num_rows($result) == 1) {
$new_cat_order_id = db_fetch_result($result, 0, "order_id");
}
function opml_import_feed($link, $doc, $node, $cat_id, $owner_uid) {
$attrs = $node->attributes;
if ($doc) {
$body = $doc->getElementsByTagName('body');
$xpath = new DOMXpath($doc);
$query = "/opml/body//outline";
$outlines = $xpath->query($query);
foreach ($outlines as $outline) {
$attributes = $outline->attributes;
$feed_title = db_escape_string($attributes->getNamedItem('text')->nodeValue);
if (!$feed_title) $feed_title = db_escape_string($attributes->getNamedItem('title')->nodeValue);
$feed_title = db_escape_string($attrs->getNamedItem('text')->nodeValue);
if (!$feed_title) $feed_title = db_escape_string($attrs->getNamedItem('title')->nodeValue);
$cat_title = db_escape_string($attributes->getNamedItem('title')->nodeValue);
if (!$cat_title) $cat_title = db_escape_string($attributes->getNamedItem('text')->nodeValue);
$feed_url = db_escape_string($attrs->getNamedItem('xmlUrl')->nodeValue);
if (!$feed_url) $feed_url = db_escape_string($attrs->getNamedItem('xmlURL')->nodeValue);
$feed_url = db_escape_string($attributes->getNamedItem('xmlUrl')->nodeValue);
if (!$feed_url) $feed_url = db_escape_string($attributes->getNamedItem('xmlURL')->nodeValue);
$site_url = db_escape_string($attrs->getNamedItem('htmlUrl')->nodeValue);
$site_url = db_escape_string($attributes->getNamedItem('htmlUrl')->nodeValue);
$pref_name = db_escape_string($attributes->getNamedItem('pref-name')->nodeValue);
$label_name = db_escape_string($attributes->getNamedItem('label-name')->nodeValue);
$filter_name = db_escape_string($attributes->getNamedItem('filter-name')->nodeValue);
if ($cat_title && !$feed_url) {
if ($cat_title != "tt-rss-prefs" && $cat_title != 'tt-rss-labels' && $cat_title != 'tt-rss-filters') {
db_query($link, "BEGIN");
$result = db_query($link, "SELECT id FROM
ttrss_feed_categories WHERE title = '$cat_title' AND
owner_uid = '$owner_uid' LIMIT 1");
if ($feed_url && $feed_title) {
$result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
feed_url = '$feed_url' AND owner_uid = '$owner_uid'");
if (db_num_rows($result) == 0) {
$cat_order_id = ++$new_cat_order_id;
#opml_notice("[FEED] [$feed_title/$feed_url] dst_CAT=$cat_id");
opml_notice(T_sprintf("Adding feed: %s", $feed_title));
printf(__("<li>Adding category <b>%s</b>.</li>"), $cat_title);
$query = "INSERT INTO ttrss_feeds
(title, feed_url, owner_uid, cat_id, site_url, order_id) VALUES
('$feed_title', '$feed_url', '$owner_uid',
'$cat_id', '$site_url', 0)";
db_query($link, $query);
db_query($link, "INSERT INTO ttrss_feed_categories
(title,owner_uid,order_id)
VALUES ('$cat_title', '$owner_uid', '$cat_order_id')");
} else {
opml_notice(T_sprintf("Duplicate feed: %s", $feed_title));
}
db_query($link, "COMMIT");
}
}
// print "$active_category : $feed_title : $feed_url<br>";
if ($pref_name) {
$parent_node = $outline->parentNode;
if ($parent_node && $parent_node->nodeName == "outline") {
$cat_check = $parent_node->attributes->getNamedItem('title')->nodeValue;
if ($cat_check == "tt-rss-prefs") {
$pref_value = db_escape_string($outline->attributes->getNamedItem('value')->nodeValue);
function opml_import_label($link, $doc, $node, $owner_uid) {
$attrs = $node->attributes;
$label_name = db_escape_string($attrs->getNamedItem('label-name')->nodeValue);
printf("<li>".
__("Setting preference key %s to %s")."</li>",
$pref_name, $pref_value);
set_pref($link, $pref_name, $pref_value);
if ($label_name) {
$fg_color = db_escape_string($attrs->getNamedItem('label-fg-color')->nodeValue);
$bg_color = db_escape_string($attrs->getNamedItem('label-bg-color')->nodeValue);
if (!label_find_id($link, $label_name, $_SESSION['uid'])) {
opml_notice(T_sprintf("Adding label %s", htmlspecialchars($label_name)));
label_create($link, $label_name, $fg_color, $bg_color);
} else {
opml_notice(T_sprintf("Duplicate label: %s", htmlspecialchars($label_name)));
}
}
}
if ($label_name) {
$parent_node = $outline->parentNode;
function opml_import_preference($link, $doc, $node, $owner_uid) {
$attrs = $node->attributes;
$pref_name = db_escape_string($attrs->getNamedItem('pref-name')->nodeValue);
if ($parent_node && $parent_node->nodeName == "outline") {
$cat_check = $parent_node->attributes->getNamedItem('title')->nodeValue;
if ($cat_check == "tt-rss-labels") {
if ($pref_name) {
$pref_value = db_escape_string($attrs->getNamedItem('value')->nodeValue);
$fg_color = db_escape_string($attributes->getNamedItem('label-fg-color')->nodeValue);
$bg_color = db_escape_string($attributes->getNamedItem('label-bg-color')->nodeValue);
opml_notice(T_sprintf("Setting preference key %s to %s",
$pref_name, $pref_value));
if (!label_find_id($link, $label_name, $_SESSION['uid'])) {
printf("<li>".__("Adding label %s")."</li>", htmlspecialchars($label_name));
label_create($link, $label_name, $fg_color, $bg_color);
} else {
printf("<li>".__("Duplicate label: %s")."</li>",
htmlspecialchars($label_name));
}
}
set_pref($link, $pref_name, $pref_value);
}
}
function opml_import_filter($link, $doc, $node, $owner_uid) {
$attrs = $node->attributes;
$filter_name = db_escape_string($attrs->getNamedItem('filter-name')->nodeValue);
if ($filter_name) {
$parent_node = $outline->parentNode;
if ($parent_node && $parent_node->nodeName == "outline") {
$cat_check = $parent_node->attributes->getNamedItem('title')->nodeValue;
if ($cat_check == "tt-rss-filters") {
$filter = json_decode($outline->nodeValue, true);
$filter = json_decode($node->nodeValue, true);
if ($filter) {
$reg_exp = db_escape_string($filter['reg_exp']);
@ -177,7 +123,7 @@
$cat_id = "NULL";
}
printf("<li>".__("Adding filter %s")."</li>", htmlspecialchars($reg_exp));
opml_notice(T_sprintf("Adding filter %s", htmlspecialchars($reg_exp)));
$query = "INSERT INTO ttrss_filters (filter_type, action_id,
enabled, inverse, action_param, filter_param,
@ -193,106 +139,107 @@
db_query($link, $query);
} else {
printf("<li>".__("Duplicate filter %s")."</li>", htmlspecialchars($reg_exp));
}
opml_notice(T_sprintf("Duplicate filter %s", htmlspecialchars($reg_exp)));
}
}
}
}
if (!$feed_title || !$feed_url) continue;
db_query($link, "BEGIN");
$cat_id = null;
function opml_import_category($link, $doc, $root_node, $owner_uid, $parent_id) {
$body = $doc->getElementsByTagName('body');
$parent_node = $outline->parentNode;
$default_cat_id = (int) get_feed_category($link, 'Imported feeds', false);
if ($parent_node && $parent_node->nodeName == "outline") {
$element_category = $parent_node->attributes->getNamedItem('title')->nodeValue;
if (!$element_category) $element_category = $parent_node->attributes->getNamedItem('text')->nodeValue;
if ($root_node) {
$cat_title = db_escape_string($root_node->attributes->getNamedItem('title')->nodeValue);
if (!in_array($cat_title, array("tt-rss-filters", "tt-rss-labels", "tt-rss-prefs"))) {
$cat_id = get_feed_category($link, $cat_title, $parent_id);
db_query($link, "BEGIN");
if ($cat_id === false) {
add_feed_category($link, $cat_title, $parent_id);
$cat_id = get_feed_category($link, $cat_title, $parent_id);
}
db_query($link, "COMMIT");
} else {
$element_category = '';
$cat_id = 0;
}
if ($element_category) {
$element_category = db_escape_string($element_category);
$outlines = $root_node->childNodes;
$result = db_query($link, "SELECT id FROM
ttrss_feed_categories WHERE title = '$element_category' AND
owner_uid = '$owner_uid' LIMIT 1");
} else {
$xpath = new DOMXpath($doc);
$outlines = $xpath->query("//opml/body/outline");
if (db_num_rows($result) == 1) {
$cat_id = db_fetch_result($result, 0, "id");
}
$cat_id = 0;
}
$result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
feed_url = '$feed_url'
AND owner_uid = '$owner_uid'");
#opml_notice("[CAT] $cat_title id: $cat_id P_id: $parent_id");
opml_notice(T_sprintf("Processing category: %s", $cat_title ? $cat_title : __("Uncategorized")));
print "<li><a target='_blank' href='$site_url'><b>$feed_title</b></a></b>
(<a target='_blank' href=\"$feed_url\">rss</a>)&nbsp;";
foreach ($outlines as $node) {
if ($node->hasAttributes() && strtolower($node->tagName) == "outline") {
$attrs = $node->attributes;
$node_cat_title = db_escape_string($attrs->getNamedItem('title')->nodeValue);
if (db_num_rows($result) > 0) {
print __('is already imported.');
if ($node->hasChildNodes() && $node_cat_title) {
opml_import_category($link, $doc, $node, $owner_uid, $cat_id);
} else {
// Get max order_id already in use. Increment.
$new_feed_order_id = 0; // these start at zero
$cat_id_qpart = $cat_id ? "cat_id = '$cat_id'" : "cat_id = '$default_cat_id'";
$result = db_query($link, "SELECT order_id FROM
ttrss_feeds WHERE owner_uid = '$owner_uid' AND $cat_id_qpart
ORDER BY order_id DESC LIMIT 1");
if (db_num_rows($result) == 1) {
$new_feed_order_id = db_fetch_result($result, 0, "order_id");
$new_feed_order_id++;
}
if ($cat_id) {
$add_query = "INSERT INTO ttrss_feeds
(title, feed_url, owner_uid, cat_id, site_url, order_id) VALUES
('$feed_title', '$feed_url', '$owner_uid',
'$cat_id', '$site_url', '$new_feed_order_id')";
if (!$cat_id) {
$dst_cat_id = $default_cat_id;
} else {
$add_query = "INSERT INTO ttrss_feeds
(title, feed_url, owner_uid, cat_id, site_url, order_id) VALUES
('$feed_title', '$feed_url', '$owner_uid', '$default_cat_id',
'$site_url', '$new_feed_order_id')";
$dst_cat_id = $cat_id;
}
switch ($cat_title) {
case "tt-rss-prefs":
opml_import_preference($link, $doc, $node, $owner_uid);
break;
case "tt-rss-labels":
opml_import_label($link, $doc, $node, $owner_uid);
break;
case "tt-rss-filters":
opml_import_filter($link, $doc, $node, $owner_uid);
break;
default:
opml_import_feed($link, $doc, $node, $dst_cat_id, $owner_uid);
}
}
}
}
}
//print $add_query;
db_query($link, $add_query);
function opml_import_domdoc($link, $owner_uid) {
print __('OK');
}
$debug = isset($_REQUEST["debug"]);
$doc = false;
print "</li>";
if ($debug) $doc = DOMDocument::load("/tmp/test.opml");
db_query($link, "COMMIT");
if (is_file($_FILES['opml_file']['tmp_name'])) {
$doc = DOMDocument::load($_FILES['opml_file']['tmp_name']);
} else if (!$doc) {
print_error(__('Error: please upload OPML file.'));
return;
}
if ($doc) {
opml_import_category($link, $doc, false, $owner_uid);
} else {
print_error(__('Error while parsing document.'));
}
} else {
print_error(__('Error: please upload OPML file.'));
}
}
function opml_export_category($link, $owner_uid, $cat_id, $hide_private_feeds=false) {
if ($cat_id)
if ($cat_id) {
$cat_qpart = "parent_cat = '$cat_id'";
else
$feed_cat_qpart = "cat_id = '$cat_id'";
} else {
$cat_qpart = "parent_cat IS NULL";
$feed_cat_qpart = "cat_id IS NULL";
}
if ($hide_private_feeds)
$hide_qpart = "(private IS false AND auth_login = '' AND auth_pass = '')";
@ -301,43 +248,31 @@
$out = "";
$query = "SELECT
ttrss_feeds.title, feed_url, site_url, ttrss_feeds.order_id,
ttrss_feed_categories.id AS cat_id,
ttrss_feed_categories.title AS cat_title,
ttrss_feed_categories.order_id AS cat_order_id
FROM ttrss_feeds LEFT JOIN ttrss_feed_categories ON (ttrss_feed_categories.id = ttrss_feeds.cat_id)
WHERE ttrss_feeds.owner_uid = '$owner_uid' AND $hide_qpart AND $cat_qpart
ORDER BY cat_order_id, cat_title, ttrss_feeds.order_id, title";
#$out .= "<!-- $query -->";
if ($cat_id) {
$result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE id = '$cat_id'
AND owner_uid = '$owner_uid'");
$cat_title = db_fetch_result($result, 0, "title");
}
$result = db_query($link, $query);
if ($cat_title) $out .= "<outline title=\"$cat_title\">\n";
$old_cat_title = "";
$result = db_query($link, "SELECT id,title
FROM ttrss_feed_categories WHERE
$cat_qpart AND owner_uid = '$owner_uid' ORDER BY order_id, title");
while ($line = db_fetch_assoc($result)) {
$title = htmlspecialchars($line["title"]);
$url = htmlspecialchars($line["feed_url"]);
$site_url = htmlspecialchars($line["site_url"]);
$cat_title = htmlspecialchars($line["cat_title"]);
if ($old_cat_title != $cat_title) {
if ($old_cat_title) {
$out .= "</outline>\n";
$out .= opml_export_category($link, $owner_uid, $line["id"], $hide_private_feeds);
}
if ($cat_title) {
$out .= "<outline title=\"$cat_title\" text=\"$cat_title\" >\n";
}
$old_cat_title = $cat_title;
$feeds_result = db_query($link, "select title, feed_url, site_url
from ttrss_feeds where $feed_cat_qpart AND owner_uid = '$owner_uid' AND $hide_qpart
order by order_id, title");
$cat_id = (int) $line["cat_id"];
if ($cat_id > 0)
$out .= opml_export_category($link, $owner_uid, $cat_id, $hide_private_feeds);
}
while ($fline = db_fetch_assoc($feeds_result)) {
$title = htmlspecialchars($fline["title"]);
$url = htmlspecialchars($fline["feed_url"]);
$site_url = htmlspecialchars($fline["site_url"]);
if ($site_url) {
$html_url_qpart = "htmlUrl=\"$site_url\"";
@ -346,12 +281,9 @@
}
$out .= "<outline text=\"$title\" xmlUrl=\"$url\" $html_url_qpart/>\n";
}
if ($old_cat_title) {
$out .= "</outline>\n";
}
if ($cat_title) $out .= "</outline>\n";
return $out;
}
@ -531,7 +463,8 @@
db_query($link, "COMMIT");
print "<p>".__("Importing OPML...")."</p>";
opml_notice(__("Importing OPML..."));
opml_import_domdoc($link, $owner_uid);
print "<br><form method=\"GET\" action=\"prefs.php\">
@ -544,4 +477,8 @@
// if ($link) db_close($link);
function opml_notice($msg) {
print "$msg<br/>";
}
?>

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