syndication.module 11.7 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
<?php

include_once "modules/backend.class";

function syndication_help() {
 ?>
  <P>TODO - anyone?</P>
 <?php
}

function syndication_cron() {
  $result = db_query("SELECT * FROM feed");
  while ($feed = db_fetch_array($result)) {
    // remove expired items:
    db_query("DELETE FROM item WHERE fid = '$feed[fid]' AND timestamp - ". time() ." > $feed[uncache]");

    // update feeds:
    if ($feed[timestamp] + $feed[refresh] < time()) syndication_update($feed);
  }
}

Dries's avatar
   
Dries committed
22
23
function syndication_bundle($attribute) {
  if ($attribute) {
24
    // compose query:
Dries's avatar
   
Dries committed
25
    $keys = explode(",", $attribute);
26
27
    foreach ($keys as $key) $where[] = "attribute LIKE '%". trim($key) ."%'";

Dries's avatar
   
Dries committed
28
    $result = db_query("SELECT * FROM item WHERE ". implode(" OR ", $where) ." ORDER BY timestamp DESC");
29
30
31
32
33

    while ($item = db_fetch_object($result)) {
      $output .= "<LI><A HREF=\"". check_output($item->link) ."\">". check_output($item->title) ."</A></LI>";
    }

Dries's avatar
   
Dries committed
34
    return "$output";
35
36
37
  }
}

Dries's avatar
   
Dries committed
38
39
function syndication_view_bundle() {
  $result = db_query("SELECT * FROM bundle ORDER BY title");
40
  while ($bundle = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
41
    $output .= "<B>$bundle->title</B><UL>". syndication_bundle($bundle->attribute) ."</UL>";
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
  }
  return $output;
}

function syndication_update($feed) {

  // open socket:
  $url = parse_url($feed[link]);
  $fp = fsockopen($url[host], ($url[port] ? $url[port] : 80), $errno, $errstr, 15);

  if ($fp) {
    // fetch data:
    fputs($fp, "GET $url[path]?$url[query] HTTP/1.0\nUser-Agent: ". variable_get(site_name, "drupal") ."\nHost: $url[host]\nAccept: */*\n\n");
    while(!feof($fp)) $data .= fgets($fp, 128);

    if (strstr($data, "200 OK")) {

      eregi("<item(.*)</item>", $data, $data);

      foreach (explode("</item>", $data[0]) as $item) {
        $l = eregi("<link>(.*)</link>", $item, $link);
        $t = eregi("<title>(.*)</title>", $item, $title);
        $a = eregi("<author>(.*)</author>", $item, $author);
        $d = eregi("<description>(.*)</description>", $item, $description);

        if ($l || $t || $a || $d) {
          syndication_save_item(array(fid => $feed[fid], title => $title[0], link => $link[0], author => $author[0], description => $description[0], attribute => $feed[attribute]));
        }
      }

      db_query("UPDATE feed SET timestamp = '". time() ."' WHERE fid = '". $feed[fid] ."'");
    }
    else {
      watchdog("error", "failed to syndicate from '$feed[title]'");
    }
  }
}

function syndication_save_item($edit) {
  if ($edit[iid] && $edit[title]) {
    db_query("UPDATE item SET title = '". check_input($edit[title]) ."', link = '". check_input($edit[link]) ."', author = '". check_input($edit[author]) ."', description = '". check_input($edit[description]) ."', attribute = '". check_input($edit[attribute]) ."' WHERE iid = '$edit[iid]'");
  }
  else if ($edit[iid]) {
    db_query("DELETE FROM item WHERE iid = '". check_input($edit[iid]) ."'");
  }
  else {
    if (!db_fetch_object(db_query("SELECT iid FROM item WHERE link = '". check_input($edit[link]) ."'"))) {
      db_query("INSERT INTO item (fid, title, link, author, description, attribute, timestamp) VALUES ('". check_input($edit[fid]) ."', '". check_input($edit[title]) ."', '". check_input($edit[link]) ."', '". check_input($edit[author]) ."', '". check_input($edit[description]) ."', '". check_input($edit[attribute]) ."', '". time() ."')");
    }
  }
}

function syndication_form_bundle($edit = array()) {
  global $REQUEST_URI;

  $form .= form_textfield("Title", "title", $edit[title], 50, 64, "The name of the bundle.");
  $form .= form_textfield("Attributes", "attribute", $edit[attribute], 50, 128, "A comma-seperated list of keywords describing the bundle.");

  $form .= form_submit("Submit");

  if ($edit[bid]) {
    $form .= form_submit(t("Delete"));
    $form .= form_hidden("bid", $edit[bid]);
  }

  return form($REQUEST_URI, $form);
}

function syndication_save_bundle($edit) {
  if ($edit[bid] && $edit[title]) {
    db_query("UPDATE bundle SET title = '". check_input($edit[title]) ."', attribute = '". check_input($edit[attribute]) ."' WHERE bid = '". check_input($edit[bid]) ."'");
  }
  else if ($edit[bid]) {
    db_query("DELETE FROM bundle WHERE bid = '". check_input($edit[bid]) ."'");
  }
  else {
    db_query("INSERT INTO bundle (title, attribute) VALUES ('". check_input($edit[title]) ."', '". check_input($edit[attribute]) ."')");
  }
}

function syndication_form_feed($edit = array()) {
  global $REQUEST_URI;

  $period = array(900 => format_interval(900), 1800 => format_interval(1800), 3600 => format_interval(3600), 7200 => format_interval(7200), 10800 => format_interval(10800), 21600 => format_interval(21600), 32400 => format_interval(32400), 43200 => format_interval(43200), 64800 => format_interval(64800), 86400 => format_interval(86400), 172800 => format_interval(172800), 259200 => format_interval(259200), 604800 => format_interval(604800), 1209600 => format_interval(1209600), 2419200 => format_interval(2419200));

  $form .= form_textfield("Title", "title", $edit[title], 50, 64, "The name of the feed; typically the name of the website you syndicate content from.");
  $form .= form_textfield("Link", "link", $edit[link], 50, 64, "The fully-qualified URL of the feed.");
  $form .= form_textfield("Attributes", "attribute", $edit[attribute], 50, 128, "A comma-seperated list of keywords describing the feed.");
  $form .= form_select("Update interval", "refresh", $edit[refresh], $period, "The refresh interval indicating how often you want to update this feed.  Requires crontab.");
  $form .= form_select("Expiration time", "uncache", $edit[uncache], $period, "The time cached items should be kept.  Older items will be automatically discarded.  Requires crontab.");

  $form .= form_submit("Submit");

  if ($edit[fid]) {
    $form .= form_submit(t("Delete"));
    $form .= form_hidden("fid", $edit[fid]);
  }

  return form($REQUEST_URI, $form);
}

function syndication_save_feed($edit) {
  if ($edit[fid] && $edit[title]) {
    db_query("UPDATE feed SET title = '". check_input($edit[title]) ."', link = '". check_input($edit[link]) ."', attribute = '". check_input($edit[attribute]) ."', refresh = '". check_input($edit[refresh]) ."', uncache = '". check_input($edit[uncache]) ."' WHERE fid = '". check_input($edit[fid]) ."'");
    db_query("DELETE FROM item WHERE fid = '". check_input($edit[fid]) ."'");
  }
  else if ($edit[fid]) {
    db_query("DELETE FROM feed WHERE fid = '". check_input($edit[fid]) ."'");
    db_query("DELETE FROM item WHERE fid = '". check_input($edit[fid]) ."'");
  }
  else {
    db_query("INSERT INTO feed (title, link, attribute, refresh, uncache) VALUES ('". check_input($edit[title]) ."', '". check_input($edit[link]) ."', '". check_input($edit[attribute]) ."', '". check_input($edit[refresh]) ."', '". check_input($edit[uncache]) ."')");
  }
}

function syndication_save_attributes($edit) {
  foreach($edit as $iid => $value) {
    db_query("UPDATE item SET attribute = '". check_input($value) ."' WHERE iid = '". check_input($iid) ."'");
  }
  return "attributes has been saved";
}

function syndication_get_feed($fid) {
  return db_fetch_array(db_query("SELECT * FROM feed WHERE fid = '". check_input($fid) ."'"));
}

function syndication_get_bundle($bid) {
  return db_fetch_array(db_query("SELECT * FROM bundle WHERE bid = '". check_input($bid) ."'"));
}

function syndication_view_feed() {
  $result = db_query("SELECT f.*, COUNT(i.iid) AS items FROM feed f LEFT JOIN item i ON f.fid = i.fid GROUP BY f.fid ORDER BY f.title");

Dries's avatar
   
Dries committed
175
  $output .= "<H3>Feed overview</H3>";
176
177
178
179
180
181
182
183
184
  $output .= "<TABLE BORDER=\"1\" CELLSPADDING=\"2\" CELLSPACING=\"2\">\n";
  $output .= " <TR><TH>title</TH><TH>attributes</TH><TH>items</TH><TH>last update</TH><TH>next update</TH><TH COLSPAN=\"2\">operations</TH></TR>\n";
  while ($feed = db_fetch_object($result)) {
    $output .= " <TR><TD>". check_output($feed->title) ."</TD><TD>". check_output($feed->attribute) ."</TD><TD>". format_plural($feed->items, "item", "items") ."</TD><TD>". ($feed->timestamp ? format_interval(time() - $feed->timestamp) ." ago" : "never") ."</TD><TD>". ($feed->timestamp ? format_interval($feed->timestamp + $feed->refresh - time()) ." left" : "never") ."</TD><TD><A HREF=\"admin.php?mod=syndication&type=feed&op=edit&id=$feed->fid\">edit feed</A></TD><TD><A HREF=\"admin.php?mod=syndication&type=feed&op=update&id=$feed->fid\">update items</A></TD></TR>\n";
  }
  $output .= "</TABLE>\n";

  $result = db_query("SELECT * FROM bundle ORDER BY title");

Dries's avatar
   
Dries committed
185
  $output .= "<H3>Bundle overview</H3>";
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
  $output .= "<TABLE BORDER=\"1\" CELLSPADDING=\"2\" CELLSPACING=\"2\">\n";
  $output .= " <TR><TH>title</TH><TH>attributes</TH><TH>operations</TH></TR>\n";
  while ($bundle = db_fetch_object($result)) {
    $output .= " <TR><TD>". check_output($bundle->title) ."</TD><TD>". check_output($bundle->attribute) ."</TD><TD><A HREF=\"admin.php?mod=syndication&type=bundle&op=edit&id=$bundle->bid\">edit bundle</A></TD></TR>\n";
  }
  $output .= "</TABLE>\n";

  return $output;
}

function syndication_view_item() {
  global $REQUEST_URI;

  $result = db_query("SELECT i.*, f.title AS feed FROM item i LEFT JOIN feed f ON i.fid = f.fid ORDER BY i.timestamp DESC LIMIT 50");

  $output .= "<FORM ACTION=\"$REQUEST_URI\" METHOD=\"post\">\n";
  $output .= "<TABLE BORDER=\"1\" CELLSPADDING=\"2\" CELLSPACING=\"2\">\n";
  $output .= " <TR><TH>time</TH><TH>feed</TH><TH>item</TH></TR>\n";
  while ($item = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
205
    $output .= " <TR><TD VALIGN=\"top\" NOWRAP>". format_date($item->timestamp, "custom", "m/d/y") ."<BR>".format_date($item->timestamp, "custom", "H:i") ."</TD><TD ALIGN=\"center\" VALIGN=\"top\" NOWRAP><A HREF=\"admin.php?mod=syndication&type=feed&op=edit&id=$item->fid\">". check_output($item->feed) ."</A></TD><TD><A HREF=\"". check_output($item->link) ."\">". check_output($item->title) ."</A>". ($item->description ? "<BR><SMALL><I>". check_output($item->description) ."</I></SMALL>" : "") ."<BR><INPUT TYPE=\"text\" NAME=\"edit[$item->iid]\" VALUE=\"". check_form($item->attribute) ."\" SIZE=\"50\"></TD></TR>\n";
206
207
208
209
210
211
212
213
214
215
216
  }
  $output .= "</TABLE>\n";
  $output .= "<INPUT TYPE=\"submit\" NAME=\"op\" VALUE=\"Save attributes\">\n";
  $output .= "</FORM>\n";

  return $output;
}

function syndication_admin() {
  global $op, $id, $type, $edit;

Dries's avatar
   
Dries committed
217
  print "<SMALL><A HREF=\"admin.php?mod=syndication&type=bundle&op=add\">add new bundle</A> | <A HREF=\"admin.php?mod=syndication&type=feed&op=add\">add new feed</A> | <A HREF=\"admin.php?mod=syndication&type=bundle&op=view\">available bundles</A> | <A HREF=\"admin.php?mod=syndication&type=item&op=view\">available items</A> | <A HREF=\"admin.php?mod=syndication&op=view\">overview</A> | <A HREF=\"admin.php?mod=syndication&op=help\">help</A></SMALL><HR>";
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262

  switch($op) {
    case "help":
      print syndication_help();
      break;
    case "add":
      if ($type == "bundle")
        print syndication_form_bundle();
      else
        print syndication_form_feed();
      break;
    case "edit":
      if ($type == "bundle")
        print syndication_form_bundle(syndication_get_bundle($id));
      else
        print syndication_form_feed(syndication_get_feed($id));
      break;
    case "update":
      print syndication_update(syndication_get_feed($id));
      print syndication_view_feed();
      break;
    case "Save attributes":
      print status(syndication_save_attributes($edit));
      print syndication_view_item();
      break;
    case "Delete":
      $edit[title] = 0;
      // fall through:
    case "Submit":
      if ($type == "bundle")
        print status(syndication_save_bundle($edit));
      else
        print status(syndication_save_feed($edit));
      // fall through:
    default:
      if ($type == "bundle")
        print syndication_view_bundle();
      else if ($type == "item")
        print syndication_view_item();
      else
        print syndication_view_feed();
  }
}

?>