315 lines
10 KiB
Plaintext
315 lines
10 KiB
Plaintext
<?php
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include_once "modules/backend.class";
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function headline_blocks() {
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global $theme;
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// Get channel info:
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$result = db_query("SELECT * FROM channel ORDER BY id");
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$theme->header();
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print "<TABLE BORDER=\"0\">\n";
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while ($channel = db_fetch_object($result)) {
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if ($state % 3 == 0) print " <TR>\n";
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print " <TD ALIGN=\"center\" VALIGN=\"top\" WIDTH=\"33%\">\n";
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// Load backend from database:
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$backend = new backend($channel->id);
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if ($backend->headlines) {
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unset($content);
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foreach ($backend->headlines as $headline) $content .= "<LI>$headline</LI>\n";
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}
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else {
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$content = "no headlines available\n";
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}
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// Print backend box to screen:
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$theme->box($backend->site, $content);
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print " </TD>\n";
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if ($state % 3 == 2) print " </TR>\n";
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$state += 1;
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}
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print "</TABLE>\n";
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$theme->footer();
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}
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function headline_page() {
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global $type;
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switch($type) {
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case "rdf":
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headline_rdf();
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break;
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default:
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headline_blocks();
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}
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}
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function headline_cron() {
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$result = db_query("SELECT * FROM channel");
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while ($channel = db_fetch_object($result)) {
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$backend = new Backend($channel->id);
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}
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}
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function headline_help() {
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?>
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<P>Drupal's headline module both imports and exports RDF/RSS headlines.</P>
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<P>A lot of news-oriented websites are now publishing news (headlines) and making their content available through XML, RSS and RDF backend files. They syndicate free content and allow retrieval and further transmission, aggregation, and online publication. In its current state, drupal's headline module supports RDF and RSS backends.</P>
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<P>RSS was originally developed by Netscape to allow adding news channels to "My Netscape" sites, but it has since become adopted as the <I>de facto</I> net standard for distributing headlines and brief dynamic texts.</P>
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<P>The headline module goes out to a list of configured news sites once an hour or so (driven by cron), downloads new RSS/RDF data and makes it available to your visitors. In addition, your headlines are exported as well and can be retrieved by other sites from <CODE><?php echo path_uri(); ?>export/headlines.rdf</CODE>.</P>
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<?php
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}
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function headline_block() {
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$result = db_query("SELECT * FROM channel");
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while ($channel = db_fetch_object($result)) {
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$backend = new Backend($channel->id);
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if ($backend->headlines) {
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unset($content);
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foreach ($backend->headlines as $headline) {
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$content .= "<LI>$headline</LI>\n";
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}
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}
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else {
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$content = "no headlines available";
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}
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$blocks[$channel->id]["subject"] = $backend->site;
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$blocks[$channel->id]["content"] = $content;
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$blocks[$channel->id]["info"] = "$backend->site headlines";
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$blocks[$channel->id]["link"] = $backend->url;
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}
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return $blocks;
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}
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function headline_admin_display() {
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global $theme;
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// Get channel info:
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$result = db_query("SELECT * FROM channel ORDER BY id");
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$output .= "<TABLE BORDER=\"1\" CELLSPADDING=\"2\" CELLSPACING=\"2\">\n";
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$output .= " <TH>site</TH><TH>contact</TH><TH>last update</TH><TH COLSPAN=\"3\">operations</TH></TR>\n";
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while ($channel = db_fetch_object($result)) {
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// Load backend from database:
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$backend = new backend($channel->id);
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$output .= "<TR>\n";
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$output .= " <TD>". format_url($backend->url, $backend->site) ."</TD>\n";
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$output .= " <TD>". format_email($backend->contact) ."</TD>\n";
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$output .= " <TD ALIGN=\"center\">". ($backend->timestamp == 1 ? "failed" : format_interval(time() - $backend->timestamp) ." ago") ."</TD>\n";
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$output .= " <TD ALIGN=\"center\"><A HREF=\"admin.php?mod=headline&op=refresh&id=$backend->id\">refresh</A></TD>\n";
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$output .= " <TD ALIGN=\"center\"><A HREF=\"admin.php?mod=headline&op=edit&id=$backend->id\">edit</A></TD>\n";
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$output .= " <TD ALIGN=\"center\"><A HREF=\"admin.php?mod=headline&op=delete&id=$backend->id\">delete</A></TD>\n";
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$output .= "</TR>\n";
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}
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$output .= "</TABLE>\n";
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print $output;
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}
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function headline_admin_add() {
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$output .= " <FORM ACTION=\"admin.php?mod=headline\" METHOD=\"post\">\n";
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$output .= " <P>\n";
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$output .= " <B>Site name:</B><BR>\n";
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$output .= " <INPUT TYPE=\"text\" NAME=\"site\" SIZE=\"50\">\n";
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$output .= " </P>\n";
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$output .= " <P>\n";
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$output .= " <B>URL:</B><BR>\n";
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$output .= " <INPUT TYPE=\"text\" NAME=\"url\" SIZE=\"50\">\n";
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$output .= " </P>\n";
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$output .= " <P>\n";
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$output .= " <B>Backend file:</B><BR>\n";
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$output .= " <INPUT TYPE=\"text\" NAME=\"backend\" SIZE=\"50\">\n";
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$output .= " </P>\n";
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$output .= " <P>\n";
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$output .= " <B>Contact information:</B><BR>\n";
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$output .= " <INPUT TYPE=\"text\" NAME=\"contact\" SIZE=\"50\">\n";
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$output .= " </P>\n";
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$output .= " <INPUT TYPE=\"submit\" NAME=\"op\" VALUE=\"Add backend\">\n";
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$output .= " </FORM>\n";
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print $output;
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}
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function headline_admin_edit($id) {
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$result = db_query("SELECT * FROM channel WHERE id='$id' ORDER BY id");
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if ($channel = db_fetch_object($result)) {
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$output .= " <FORM ACTION=\"admin.php?mod=headline\" METHOD=\"post\">\n";
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$output .= " <INPUT TYPE=\"hidden\" NAME=\"id\" VALUE=\"$id\">\n";
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$output .= " <P>\n";
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$output .= " <B>Site name:</B><BR>\n";
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$output .= " <INPUT TYPE=\"text\" NAME=\"site\" SIZE=\"50\" VALUE=\"$channel->site\">\n";
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$output .= " </P>\n";
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$output .= " <P>\n";
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$output .= " <B>URL:</B><BR>\n";
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$output .= " <INPUT TYPE=\"text\" NAME=\"url\" SIZE=\"50\" VALUE=\"$channel->url\">\n";
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$output .= " </P>\n";
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$output .= " <P>\n";
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$output .= " <B>Backend file:</B><BR>\n";
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$output .= " <INPUT TYPE=\"text\" NAME=\"backend\" SIZE=\"50\" VALUE=\"$channel->file\">\n";
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$output .= " </P>\n";
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$output .= " <P>\n";
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$output .= " <B>Contact information:</B><BR>\n";
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$output .= " <INPUT TYPE=\"text\" NAME=\"contact\" SIZE=\"50\" VALUE=\"$channel->contact\">\n";
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$output .= " </P>\n";
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$output .= " <INPUT TYPE=\"submit\" NAME=\"op\" VALUE=\"Save backend\">\n";
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$output .= " </FORM>\n";
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} else {
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$output .= "Invalid Channel ID.\n";
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}
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print $output;
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}
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function headline_admin_rehash() {
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module_rehash_blocks("headline");
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}
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function headline_admin() {
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global $op, $id, $site, $url, $backend, $contact;
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print "<SMALL><A HREF=\"admin.php?mod=headline&op=add\">add new channel</A> | <A HREF=\"admin.php?mod=headline\">overview</A> | <A HREF=\"admin.php?mod=headline&op=help\">help</A></SMALL><HR>";
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switch($op) {
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case "add":
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headline_admin_add();
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break;
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case "edit":
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headline_admin_edit(check_input($id));
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break;
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case "delete":
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$channel = new backend($id);
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$channel->delete();
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headline_admin_rehash();
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headline_admin_display();
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break;
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case "help":
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headline_help();
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break;
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case "refresh":
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$channel = new backend($id);
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$channel->refresh();
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headline_admin_display();
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break;
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case "Add backend":
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$channel = new backend(check_input($id), check_input($site), check_input($url), check_input($backend), check_input($contact));
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$channel->add();
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headline_admin_rehash();
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headline_admin_display();
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break;
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case "Save backend":
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$channel = new backend(check_input($id));
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$channel->site = $site;
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$channel->url = $url;
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$channel->file = $backend;
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$channel->contact = $contact;
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$channel->save();
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headline_admin_rehash();
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// fall through:
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default:
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headline_admin_display();
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}
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}
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function headline_export_rdf() {
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global $status;
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$uri = substr(path_uri(), 0, strlen(path_uri()) - strlen("export/"));
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header("Content-Type: text/plain");
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print "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n";
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print "<rdf:RDF\n";
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print " xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"\n";
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print " xmlns=\"http://my.netscape.com/rdf/simple/0.9/\">\n";
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print "<channel>\n";
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print " <title>". variable_get(site_name, "drupal") ."</title>\n";
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print " <link>". $uri ."</link>\n";
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print " <description>". variable_get(site_name, "drupal") ."</description>\n";
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print "</channel>\n";
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$result = db_query("SELECT * FROM node WHERE promote = '1' AND status = '$status[posted]' ORDER BY timestamp DESC LIMIT 10");
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while ($node = db_fetch_object($result)) {
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print "<item>\n";
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print " <title>". check_export($node->title) ."</title>\n";
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print " <link>". $uri ."node.php?id=$node->nid</link>\n";
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print "</item>\n";
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}
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print "</rdf:RDF>\n";
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}
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function headline_export_rss() {
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global $status;
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$uri = substr(path_uri(), 0, strlen(path_uri()) - strlen("export/"));
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header("Content-Type: text/plain");
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print "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n";
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print "<rdf:RDF\n";
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print "xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"\n";
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print "xmlns=\"http://purl.org/rss/1.0/\">\n\n";
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print "<channel rdf:about=\"". $uri ."export/headlinesRSS10.rdf\">\n";
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print " <title>". variable_get(site_name, "drupal") ."</title>\n";
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print " <link>". $uri ."</link>\n";
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print " <description>". variable_get(site_name, "drupal") ."</description>\n";
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print " <items>\n";
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print " <rdf:Seq>\n";
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$result = db_query("SELECT * FROM node WHERE promote = '1' AND status = '$status[posted]' ORDER BY timestamp DESC LIMIT 10");
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while ($node = db_fetch_object($result)) {
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print " <rdf:li resource=\"". $uri ."node.php?id=$node->nid\" />\n";
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}
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print " </rdf:Seq>\n";
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print " </items>\n";
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print "</channel>\n\n";
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$result = db_query("SELECT * FROM node WHERE promote = '1' AND status = '$status[posted]' ORDER BY timestamp DESC LIMIT 10");
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while ($node = db_fetch_object($result)) {
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print "<item rdf:about=\"". $uri ."node.php?id=$node->nid\">\n";
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print " <title>". check_export($node->title) ."</title>\n";
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print " <link>". $uri ."node.php?id=$node->nid</link>\n";
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if ($node->abstract) print " <description>". check_output($node->abstract, 1) ."</description>\n";
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if ($node->body) print " <description>". check_output($node->body, 1) ."</description>\n";
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print "</item>\n";
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}
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print "</rdf:RDF>\n";
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}
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function headline_export($uri) {
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switch ($uri[2]) {
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case "headlines.rss":
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headline_export_rss();
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break;
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case "headlines.rdf":
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case "default":
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headline_export_rdf();
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}
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}
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?>
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