d16b8c89015dcc207d27c03ec69541b4414ad525
2 /********************************************************************************
3 * include/spool.inc.php : spool subroutines
4 * -----------------------
6 * This file is part of the banana distribution
7 * Copyright: See COPYING files that comes with this distribution
8 ********************************************************************************/
11 * class used in thread overviews
14 /** date (timestamp) */
20 /** reference of parent */
22 /** array of children */
24 /** true if post is read */
26 /** number of posts deeper in this branch of tree */
28 /** same as desc, but counts only unread posts */
32 * @param $_date INTEGER timestamp of post
33 * @param $_subject STRING subject of post
34 * @param $_from STRING author of post
35 * @param $_desc INTEGER desc value (1 for a new post)
36 * @param $_read BOOLEAN true if read
37 * @param $_descunread INTEGER descunread value (0 for a new post)
40 function spoolhead($_date,$_subject,$_from,$_desc=1,$_read=true
,$_descunread=0) {
42 $this->subject
=$_subject;
44 $this->children
=array();
47 $this->descunread
=$_descunread;
52 * builds and updates spool
61 /** array msgid => msgnum */
65 * @param $_nntp RESOURCE NNTP socket filehandle
66 * @param $_group STRING group name
67 * @param $_display INTEGER 1 => all posts, 2 => only threads with new posts
68 * @param $_since INTEGER time stamp (used for read/unread)
71 function spool(&$_nntp,$_group,$_display=0,$_since=""){
73 $prefix_path=(preg_match("/\/scripts\/?$/",getcwd())?
"..":".");
74 $groupinfo = $_nntp->group($_group);
79 $spoolfile=realpath("$prefix_path/spool/spool-$_group.dat");
80 if (file_exists($spoolfile)) {
81 $f = fopen($spoolfile,"r");
82 $this = unserialize(fread($f,filesize($spoolfile)));
84 $keys = array_values($this->ids
);
86 $first = max($groupinfo[2]-$news['maxspool'],$groupinfo[1]);
87 $last = $groupinfo[2];
88 // remove expired messages
89 $msgids=array_flip($this->ids
);
90 for ($id=min(array_keys($this->overview
)); $id<$first; $id++
) {
93 $this->ids
=array_flip($msgids);
94 $first=max(array_keys($this->overview
))+
1;
96 $first = max($groupinfo[2]-$news['maxspool'],$groupinfo[1]);
97 $last = $groupinfo[2];
98 $this->group
= $_group;
101 if (($first<=$groupinfo[2]) && ($groupinfo[0]!=0)) {
102 $dates = array_map("strtotime",
103 $_nntp->xhdr("Date","$first-$last"));
104 $msgids=$_nntp->xhdr("Message-ID","$first-$last");
105 $subjects = array_map("headerdecode",$_nntp->xhdr("Subject",
107 $froms = array_map("headerdecode",$_nntp->xhdr("From",
109 $refs = $_nntp->xhdr("References","$first-$last");
110 # $this->date=$nntp->date;
111 if (isset($this->ids
)) {
112 $this->ids
=array_merge($this->ids
,array_flip($msgids));
114 $this->ids
=array_flip($msgids);
117 foreach ($msgids as $id=>$msgid) {
118 if (isset($this->overview
[$id])) {
119 $msg = $this->overview
[$id];
122 $msg = new spoolhead($dates[$id],$subjects[$id],$froms[$id],1);
124 $refs[$id]=str_replace("><","> <",$refs[$id]);
125 $msgrefs=preg_split("/( |\t)/",strtr($refs[$id],$this->ids
));
126 $parents=preg_grep("/^\d+$/",$msgrefs);
127 $msg->parent
=array_pop($parents);
130 if (isset($this->overview
[$p])) {
131 $this->overview
[$p]->desc++
;
132 if (isset($this->overview
[$p]->parent
)) {
133 $p = $this->overview
[$p]->parent
;
138 $this->overview
[$p] = new spoolhead($dates[$p],$subjects[$p],$froms[$p],1);
142 if ($msg->parent
!="")
143 $this->overview
[$msg->parent
]->children
[]=$id;
144 $this->overview
[$id] = $msg;
146 uasort($this->overview
,"spoolcompare");
147 $f = fopen("$prefix_path/spool/spool-$_group.dat","w");
148 fputs($f,serialize($this));
153 $newpostsids = $_nntp->newnews($_since,$_group);
154 if (sizeof($newpostsids)) {
155 $newpostsids = array_intersect($newpostsids,
156 array_keys($this->ids
));
157 if ($newpostsids && !is_null($newpostsids)) {
158 foreach ($newpostsids as $mid) {
159 $this->overview
[$this->ids
[$mid]]->isread
=false
;
160 $this->overview
[$this->ids
[$mid]]->descunread
=1;
161 $parentmid = $this->overview
[$this->ids
[$mid]]->parent
;
162 while (!is_null($parentmid)) {
163 $this->overview
[$parentmid]->descunread++
;
164 $parentmid = $this->overview
[$parentmid]->parent
;
169 if (sizeof($newpostsids)>0) {
170 $flipids = array_flip($this->ids
);
173 foreach ($this->overview
as $i=>$p) {
174 if (isset($this->overview
[$i]) &&
175 !isset($this->overview
[$i]->parent
) &&
176 ($this->overview
[$i]->descunread
==0)) {
182 foreach ($this->overview
as $i=>$p) {
184 unset($this->overview
[$i]);
188 $this->ids
=array_flip($flipids);
196 /** kill post and childrens
197 * @param $_id MSGNUM of post
200 function killdesc($_id) {
201 if (sizeof($this->overview
[$_id]->children
)) {
202 foreach ($this->overview
[$_id]->children
as $c) {
206 unset($this->overview
[$_id]);
207 # $flipid=array_flip($this->ids);
208 # unset($flipid[$id]);
209 # $this->ids=array_flip($flipid);
212 /** delete a post from overview
213 * @param $_id MSGNUM of post
216 function delid($_id) {
217 if (isset($this->overview
[$_id])) {
218 if (sizeof($this->overview
[$_id]->parent
)) {
219 $this->overview
[$this->overview
[$_id]->parent
]->children
=
220 array_diff($this->overview
[$this->overview
[$_id]->parent
]->children
,
222 if (sizeof($this->overview
[$_id]->children
)) {
223 $this->overview
[$this->overview
[$_id]->parent
]->children
=
224 array_merge($this->overview
[$this->overview
[$_id]->parent
]->children
,
225 $this->overview
[$_id]->children
);
226 foreach ($this->overview
[$_id]->children
as $c) {
227 $this->overview
[$c]->parent
= $this->overview
[$_id]->parent
;
230 $p = $this->overview
[$_id]->parent
;
232 $this->overview
[$p]->desc
--;
233 $p = $this->overview
[$p]->parent
;
235 } elseif (sizeof($this->overview
[$_id]->children
)) {
236 foreach ($this->overview
[$_id]->children
as $c) {
237 $this->overview
[$c]->parent
= null
;
240 unset($this->overview
[$_id]);
241 $ids = array_flip($this->ids
);
243 $this->ids
= array_flip($ids);
244 $prefix_path=(preg_match("/\/scripts\/?$/",getcwd())?
"..":".");
245 $f = fopen("$prefix_path/spool/spool-{$this->group}.dat","w");
246 fputs($f,serialize($this));
251 /** displays children tree of a post
252 * @param $_id INTEGER MSGNUM of post
253 * @param $_index INTEGER linear number of post in the tree
254 * @param $_first INTEGER linear number of first post displayed
255 * @param $_last INTEGER linear number of last post displayed
256 * @param $_ref STRING MSGNUM of current post
257 * @param $_pfx_node STRING prefix used for current node
258 * @param $_pfx_end STRING prefix used for children of current node
259 * @param $_head BOOLEAN true if first post in thread
262 function disp_desc($_id,$_index="",$_first=0,$_last=0,$_ref="",
263 $_pfx_node="", $_pfx_end="",$_head=true
) {
266 $spfx_f = '<img src="img/k1.gif" height="21" width="9" alt="o" />';
267 $spfx_n = '<img src="img/k2.gif" height="21" width="9" alt="*" />';
268 $spfx_T = '<img src="img/T.gif" height="21" width="12" alt="+" />';
269 $spfx_L = '<img src="img/L.gif" height="21" width="12" alt="`" />';
270 $spfx_s = '<img src="img/s.gif" height="21" width="5" alt="-" />';
271 $spfx_e = '<img src="img/e.gif" height="21" width="12" alt=" " />';
272 $spfx_I = '<img src="img/I.gif" height="21" width="12"alt="|" />';
274 if ($_index == "") $_index = $this->getndx($_id);
276 if (!sizeof($this->overview
[$_id]->children
) && ($_index<=$_last)
277 && ($_index>=$_first)) {
278 echo '<tr class="'.($_index%2?
$css["pair"]:$css["impair"])."\">\n";
279 echo "<td class=\"{$css['date']}\">"
280 .formatSpoolHeader("date",$this->overview
[$_id]->date
,$_id,
281 $this->group
,($_index==$_ref),$this->overview
[$_id]->isread
)
283 echo "<td class=\"{$css['subject']}\"><div class=\"{$css['tree']}\">"
284 .$_pfx_node.($_head?
$spfx_f:$spfx_s)."</div>"
285 .formatSpoolHeader("subject",$this->overview
[$_id]->subject
,$_id,
286 $this->group
,($_index==$_ref),$this->overview
[$_id]->isread
)
287 .($debug?
" $_id $_index ".
288 $this->overview
[$_id]->desc
." ".$this->overview
[$_id]->descunread
." ":"")." </td>\n";
289 echo "<td class=\"{$css['author']}\">"
290 .formatSpoolHeader("from",$this->overview
[$_id]->from
,$_id,
291 $this->group
,($_index==$_ref),$this->overview
[$_id]->isread
)
295 $children = $this->overview
[$_id]->children
;
296 if (($_index<=$_last) && ($_index>=$_first)) {
297 echo '<tr class="'.($_index%2?
$css["pair"]:$css["impair"])."\">\n";
298 echo "<td class=\"{$css['date']}\">"
299 .formatSpoolHeader("date",$this->overview
[$_id]->date
,$_id,
300 $this->group
,($_index==$_ref),$this->overview
[$_id]->isread
)
302 echo "<td class=\"{$css['subject']}\"><div class=\"{$css['tree']}\">"
303 .$_pfx_node.$spfx_n."</div>"
304 .formatSpoolHeader("subject",$this->overview
[$_id]->subject
,$_id,
305 $this->group
,($_index==$_ref),$this->overview
[$_id]->isread
)
306 .($debug?
" $_id $_index ".
307 $this->overview
[$_id]->desc
." ".$this->overview
[$_id]->descunread
." ":"")." </td>\n";
308 echo "<td class=\"{$css['author']}\">"
309 .formatSpoolHeader("from",$this->overview
[$_id]->from
,$_id,
310 $this->group
,($_index==$_ref),$this->overview
[$_id]->isread
)
314 while ($child = array_shift($children)) {
315 if (($index+
$this->overview
[$child]->desc
-1>=$_first)
317 if (sizeof($children)) {
318 $this->disp_desc($child,$index,$_first,$_last,$_ref,
319 $_pfx_end.$spfx_T,$_pfx_end.$spfx_I,false
);
321 $this->disp_desc($child,$index,$_first,$_last,$_ref,
322 $_pfx_end.$spfx_L,$_pfx_end.$spfx_e,false
);
325 $index +
= $this->overview
[$child]->desc
;
329 /** Displays overview
330 * @param $_first INTEGER MSGNUM of first post
331 * @param $_last INTEGER MSGNUM of last post
332 * @param $_ref STRING MSGNUM of current/selectionned post
335 function disp($_first=0,$_last=0,$_ref="") {
338 if (sizeof($this->overview
)) {
339 foreach ($this->overview
as $id=>$msg) {
340 if (!sizeof($msg->parent
)) {
341 $this->disp_desc($id,$index,$_first,$_last,$_ref);
342 $index +
= $msg->desc
;
346 echo "<tr class=\"{$css['pair']}\">\n";
347 echo "\t<td colspan=\"3\">\n";
348 echo "\t\tNo post in this newsgroup\n";
354 /** computes linear post index
355 * @param $_id INTEGER MSGNUM of post
356 * @return INTEGER linear index of post
359 function getndx($_id) {
361 // on remonte l'arbre
362 $id_parent = $this->overview
[$_id]->parent
;
364 while (!is_null($id_parent)) {
365 for ($i=0; $i<array_search($id_curr,
366 $this->overview
[$id_parent]->children
) ; $i++
) {
367 $ndx +
= $this->overview
[$this->overview
[$id_parent]->children
[$i]]->desc
;
370 $id_curr = $id_parent;
371 $id_parent = $this->overview
[$id_curr]->parent
;
373 // on compte les threads précédents
374 foreach ($this->overview
as $i=>$p) {
378 if (is_null($p->parent
)) {
379 $ndx +
= $this->overview
[$i]->desc
;