810ac1df |
1 | <?php |
2 | /******************************************************************************** |
3 | * include/spool.inc.php : spool subroutines |
4 | * ----------------------- |
5 | * |
6 | * This file is part of the banana distribution |
7 | * Copyright: See COPYING files that comes with this distribution |
8 | ********************************************************************************/ |
9 | |
10 | /** Class spoolhead |
11 | * class used in thread overviews |
12 | */ |
13 | class spoolhead { |
14 | /** date (timestamp) */ |
15 | var $date; |
16 | /** subject */ |
17 | var $subject; |
18 | /** author */ |
19 | var $from; |
20 | /** reference of parent */ |
21 | var $parent; |
528f5766 |
22 | /** paren is direct */ |
23 | var $direct_parent; |
810ac1df |
24 | /** array of children */ |
25 | var $children; |
26 | /** true if post is read */ |
27 | var $isread; |
28 | /** number of posts deeper in this branch of tree */ |
29 | var $desc; |
30 | /** same as desc, but counts only unread posts */ |
31 | var $descunread; |
32 | |
33 | /** constructor |
34 | * @param $_date INTEGER timestamp of post |
35 | * @param $_subject STRING subject of post |
36 | * @param $_from STRING author of post |
37 | * @param $_desc INTEGER desc value (1 for a new post) |
38 | * @param $_read BOOLEAN true if read |
39 | * @param $_descunread INTEGER descunread value (0 for a new post) |
40 | */ |
41 | |
42 | function spoolhead($_date,$_subject,$_from,$_desc=1,$_read=true,$_descunread=0) { |
43 | $this->date=$_date; |
44 | $this->subject=$_subject; |
45 | $this->from=$_from; |
46 | $this->children=array(); |
47 | $this->desc=$_desc; |
48 | $this->isread=$_read; |
49 | $this->descunread=$_descunread; |
50 | } |
51 | } |
52 | |
53 | /** Class spool |
54 | * builds and updates spool |
55 | */ |
56 | |
57 | class spool { |
58 | # var $date; |
59 | /** spool */ |
60 | var $overview; |
61 | /** group name */ |
62 | var $group; |
63 | /** array msgid => msgnum */ |
64 | var $ids; |
65 | |
66 | /** constructor |
67 | * @param $_nntp RESOURCE NNTP socket filehandle |
68 | * @param $_group STRING group name |
69 | * @param $_display INTEGER 1 => all posts, 2 => only threads with new posts |
70 | * @param $_since INTEGER time stamp (used for read/unread) |
71 | */ |
72 | |
73 | function spool(&$_nntp,$_group,$_display=0,$_since=""){ |
94b58dda |
74 | global $news; |
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75 | $prefix_path=(preg_match("/\/scripts\/?$/",getcwd())?"..":"."); |
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76 | $groupinfo = $_nntp->group($_group); |
77 | if (!$groupinfo) { |
78 | $this = false; |
79 | return false; |
80 | } |
14f1a075 |
81 | $spoolfile=realpath("$prefix_path/spool/spool-$_group.dat"); |
94b58dda |
82 | if (file_exists($spoolfile)) { |
83 | $f = fopen($spoolfile,"r"); |
84 | $this = unserialize(fread($f,filesize($spoolfile))); |
810ac1df |
85 | fclose($f); |
86 | $keys = array_values($this->ids); |
87 | rsort($keys); |
94b58dda |
88 | $first = max($groupinfo[2]-$news['maxspool'],$groupinfo[1]); |
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89 | $last = $groupinfo[2]; |
94b58dda |
90 | // remove expired messages |
91 | $msgids=array_flip($this->ids); |
92 | for ($id=min(array_keys($this->overview)); $id<$first; $id++) { |
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93 | $this->delid($id); |
94b58dda |
94 | } |
95 | $this->ids=array_flip($msgids); |
96 | $first=max(array_keys($this->overview))+1; |
810ac1df |
97 | } else { |
94b58dda |
98 | $first = max($groupinfo[2]-$news['maxspool'],$groupinfo[1]); |
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99 | $last = $groupinfo[2]; |
100 | $this->group = $_group; |
101 | } |
94b58dda |
102 | |
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103 | if (($first<=$groupinfo[2]) && ($groupinfo[0]!=0)) { |
104 | $dates = array_map("strtotime", |
105 | $_nntp->xhdr("Date","$first-$last")); |
106 | $msgids=$_nntp->xhdr("Message-ID","$first-$last"); |
107 | $subjects = array_map("headerdecode",$_nntp->xhdr("Subject", |
108 | "$first-$last")); |
109 | $froms = array_map("headerdecode",$_nntp->xhdr("From", |
110 | "$first-$last")); |
111 | $refs = $_nntp->xhdr("References","$first-$last"); |
112 | # $this->date=$nntp->date; |
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113 | if (isset($this->ids)) { |
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114 | $this->ids=array_merge($this->ids,array_flip($msgids)); |
115 | } else { |
116 | $this->ids=array_flip($msgids); |
117 | } |
118 | |
119 | foreach ($msgids as $id=>$msgid) { |
82c17a91 |
120 | if (isset($this->overview[$id])) { |
121 | $msg = $this->overview[$id]; |
122 | $msg->desc++; |
123 | } else { |
124 | $msg = new spoolhead($dates[$id],$subjects[$id],$froms[$id],1); |
125 | } |
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126 | $refs[$id]=str_replace("><","> <",$refs[$id]); |
127 | $msgrefs=preg_split("/( |\t)/",strtr($refs[$id],$this->ids)); |
128 | $parents=preg_grep("/^\d+$/",$msgrefs); |
129 | $msg->parent=array_pop($parents); |
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130 | $msg->parent_direct=preg_match("/^\d+$/",array_pop($msgrefs)); |
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131 | $p = $msg->parent; |
132 | while ($p) { |
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133 | if (isset($this->overview[$p])) { |
134 | $this->overview[$p]->desc++; |
135 | if (isset($this->overview[$p]->parent)) { |
136 | $p = $this->overview[$p]->parent; |
137 | } else { |
138 | $p = false; |
139 | } |
5c33c608 |
140 | } else { |
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141 | $this->overview[$p] = new spoolhead($dates[$p],$subjects[$p],$froms[$p],1); |
142 | $p = false; |
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143 | } |
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144 | } |
145 | if ($msg->parent!="") |
146 | $this->overview[$msg->parent]->children[]=$id; |
147 | $this->overview[$id] = $msg; |
148 | } |
149 | uasort($this->overview,"spoolcompare"); |
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150 | $f = fopen("$prefix_path/spool/spool-$_group.dat","w"); |
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151 | fputs($f,serialize($this)); |
152 | fclose($f); |
153 | } |
154 | |
155 | if ($_since != "") { |
156 | $newpostsids = $_nntp->newnews($_since,$_group); |
157 | if (sizeof($newpostsids)) { |
158 | $newpostsids = array_intersect($newpostsids, |
159 | array_keys($this->ids)); |
160 | if ($newpostsids && !is_null($newpostsids)) { |
161 | foreach ($newpostsids as $mid) { |
162 | $this->overview[$this->ids[$mid]]->isread=false; |
163 | $this->overview[$this->ids[$mid]]->descunread=1; |
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164 | $parentmid=$this->ids[$mid]; |
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165 | while (isset($parentmid)) { |
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166 | $this->overview[$parentmid]->descunread++; |
167 | $parentmid = $this->overview[$parentmid]->parent; |
168 | } |
169 | } |
170 | } |
171 | } |
172 | if (sizeof($newpostsids)>0) { |
173 | $flipids = array_flip($this->ids); |
174 | switch ($_display) { |
175 | case 1: |
176 | foreach ($this->overview as $i=>$p) { |
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177 | if (isset($this->overview[$i]) && |
178 | !isset($this->overview[$i]->parent) && |
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179 | ($this->overview[$i]->descunread==0)) { |
180 | $this->killdesc($i); |
181 | } |
182 | } |
183 | break; |
184 | case 2: |
185 | foreach ($this->overview as $i=>$p) { |
186 | if ($p->isread) { |
187 | unset($this->overview[$i]); |
188 | unset($flipids[$i]); |
189 | } |
190 | } |
191 | $this->ids=array_flip($flipids); |
192 | break; |
193 | } |
194 | } |
195 | } |
196 | return true; |
197 | } |
198 | |
199 | /** kill post and childrens |
200 | * @param $_id MSGNUM of post |
201 | */ |
202 | |
203 | function killdesc($_id) { |
204 | if (sizeof($this->overview[$_id]->children)) { |
205 | foreach ($this->overview[$_id]->children as $c) { |
206 | $this->killdesc($c); |
207 | } |
208 | } |
209 | unset($this->overview[$_id]); |
dcb7ad8b |
210 | $msgid=array_search($_id,$this->ids); |
35ca8036 |
211 | if ($msgids) { |
212 | unset($this->ids[$msgid]); |
213 | } |
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214 | # $flipid=array_flip($this->ids); |
215 | # unset($flipid[$id]); |
216 | # $this->ids=array_flip($flipid); |
217 | } |
218 | |
219 | /** delete a post from overview |
220 | * @param $_id MSGNUM of post |
221 | */ |
222 | |
223 | function delid($_id) { |
224 | if (isset($this->overview[$_id])) { |
225 | if (sizeof($this->overview[$_id]->parent)) { |
226 | $this->overview[$this->overview[$_id]->parent]->children = |
227 | array_diff($this->overview[$this->overview[$_id]->parent]->children, |
228 | array($_id)); |
229 | if (sizeof($this->overview[$_id]->children)) { |
230 | $this->overview[$this->overview[$_id]->parent]->children = |
231 | array_merge($this->overview[$this->overview[$_id]->parent]->children, |
232 | $this->overview[$_id]->children); |
233 | foreach ($this->overview[$_id]->children as $c) { |
234 | $this->overview[$c]->parent = $this->overview[$_id]->parent; |
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235 | $this->overview[$c]->parent_direct = false; |
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236 | } |
237 | } |
238 | $p = $this->overview[$_id]->parent; |
239 | while ($p) { |
240 | $this->overview[$p]->desc--; |
241 | $p = $this->overview[$p]->parent; |
242 | } |
243 | } elseif (sizeof($this->overview[$_id]->children)) { |
244 | foreach ($this->overview[$_id]->children as $c) { |
245 | $this->overview[$c]->parent = null; |
246 | } |
247 | } |
248 | unset($this->overview[$_id]); |
dcb7ad8b |
249 | $msgid=array_search($_id,$this->ids); |
250 | if ($msgid) { |
35ca8036 |
251 | unset($this->ids[$msgid]); |
252 | } |
253 | # $ids = array_flip($this->ids); |
254 | # unset($ids[$_id]); |
255 | # $this->ids = array_flip($ids); |
3375fe75 |
256 | $prefix_path=(preg_match("/\/scripts\/?$/",getcwd())?"..":"."); |
14f1a075 |
257 | $f = fopen("$prefix_path/spool/spool-{$this->group}.dat","w"); |
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258 | fputs($f,serialize($this)); |
259 | fclose($f); |
260 | } |
261 | } |
262 | |
263 | /** displays children tree of a post |
264 | * @param $_id INTEGER MSGNUM of post |
265 | * @param $_index INTEGER linear number of post in the tree |
266 | * @param $_first INTEGER linear number of first post displayed |
267 | * @param $_last INTEGER linear number of last post displayed |
268 | * @param $_ref STRING MSGNUM of current post |
269 | * @param $_pfx_node STRING prefix used for current node |
270 | * @param $_pfx_end STRING prefix used for children of current node |
271 | * @param $_head BOOLEAN true if first post in thread |
272 | */ |
273 | |
274 | function disp_desc($_id,$_index="",$_first=0,$_last=0,$_ref="", |
275 | $_pfx_node="", $_pfx_end="",$_head=true) { |
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276 | global $css; |
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277 | $debug = false; |
278 | $spfx_f = '<img src="img/k1.gif" height="21" width="9" alt="o" />'; |
279 | $spfx_n = '<img src="img/k2.gif" height="21" width="9" alt="*" />'; |
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280 | $spfx_Tnd = '<img src="img/T-direct.gif" height="21" width="12" alt="+" />'; |
281 | $spfx_Lnd = '<img src="img/L-direct.gif" height="21" width="12" alt="`" />'; |
282 | $spfx_snd = '<img src="img/s-direct.gif" height="21" width="5" alt="-" />'; |
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283 | $spfx_T = '<img src="img/T.gif" height="21" width="12" alt="+" />'; |
284 | $spfx_L = '<img src="img/L.gif" height="21" width="12" alt="`" />'; |
285 | $spfx_s = '<img src="img/s.gif" height="21" width="5" alt="-" />'; |
286 | $spfx_e = '<img src="img/e.gif" height="21" width="12" alt=" " />'; |
287 | $spfx_I = '<img src="img/I.gif" height="21" width="12"alt="|" />'; |
288 | |
289 | if ($_index == "") $_index = $this->getndx($_id); |
290 | |
291 | if (!sizeof($this->overview[$_id]->children) && ($_index<=$_last) |
292 | && ($_index>=$_first)) { |
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293 | echo '<tr class="'.($_index%2?$css["pair"]:$css["impair"])."\">\n"; |
294 | echo "<td class=\"{$css['date']}\">" |
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295 | .formatSpoolHeader("date",$this->overview[$_id]->date,$_id, |
296 | $this->group,($_index==$_ref),$this->overview[$_id]->isread) |
297 | ." </td>\n"; |
7ce9f53d |
298 | echo "<td class=\"{$css['subject']}\"><div class=\"{$css['tree']}\">" |
528f5766 |
299 | .$_pfx_node.($_head?$spfx_f: |
300 | ($this->overview[$_id]->parent_direct?$spfx_s:$spfx_snd)) |
301 | ."</div>" |
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302 | .formatSpoolHeader("subject",$this->overview[$_id]->subject,$_id, |
303 | $this->group,($_index==$_ref),$this->overview[$_id]->isread) |
304 | .($debug?" $_id $_index ". |
305 | $this->overview[$_id]->desc." ".$this->overview[$_id]->descunread." ":"")." </td>\n"; |
7ce9f53d |
306 | echo "<td class=\"{$css['author']}\">" |
810ac1df |
307 | .formatSpoolHeader("from",$this->overview[$_id]->from,$_id, |
308 | $this->group,($_index==$_ref),$this->overview[$_id]->isread) |
309 | ." </td>\n</tr>"; |
310 | return true; |
311 | } |
312 | $children = $this->overview[$_id]->children; |
313 | if (($_index<=$_last) && ($_index>=$_first)) { |
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314 | echo '<tr class="'.($_index%2?$css["pair"]:$css["impair"])."\">\n"; |
315 | echo "<td class=\"{$css['date']}\">" |
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316 | .formatSpoolHeader("date",$this->overview[$_id]->date,$_id, |
317 | $this->group,($_index==$_ref),$this->overview[$_id]->isread) |
318 | ." </td>\n"; |
7ce9f53d |
319 | echo "<td class=\"{$css['subject']}\"><div class=\"{$css['tree']}\">" |
810ac1df |
320 | .$_pfx_node.$spfx_n."</div>" |
321 | .formatSpoolHeader("subject",$this->overview[$_id]->subject,$_id, |
322 | $this->group,($_index==$_ref),$this->overview[$_id]->isread) |
323 | .($debug?" $_id $_index ". |
324 | $this->overview[$_id]->desc." ".$this->overview[$_id]->descunread." ":"")." </td>\n"; |
7ce9f53d |
325 | echo "<td class=\"{$css['author']}\">" |
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326 | .formatSpoolHeader("from",$this->overview[$_id]->from,$_id, |
327 | $this->group,($_index==$_ref),$this->overview[$_id]->isread) |
328 | ." </td>\n</tr>"; |
329 | } |
330 | $index=$_index+1; |
331 | while ($child = array_shift($children)) { |
332 | if (($index+$this->overview[$child]->desc-1>=$_first) |
333 | ||($index<$_last)){ |
334 | if (sizeof($children)) { |
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335 | $this->disp_desc($child,$index,$_first,$_last,$_ref,$_pfx_end. |
336 | ($this->overview[$child]->parent_direct?$spfx_T:$spfx_Tnd), |
337 | $_pfx_end.$spfx_I,false); |
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338 | } else { |
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339 | $this->disp_desc($child,$index,$_first,$_last,$_ref,$_pfx_end. |
340 | ($this->overview[$child]->parent_direct?$spfx_L:$spfx_Lnd), |
341 | $_pfx_end.$spfx_e,false); |
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342 | } |
343 | } |
344 | $index += $this->overview[$child]->desc; |
345 | } |
346 | } |
347 | |
348 | /** Displays overview |
349 | * @param $_first INTEGER MSGNUM of first post |
350 | * @param $_last INTEGER MSGNUM of last post |
351 | * @param $_ref STRING MSGNUM of current/selectionned post |
352 | */ |
353 | |
354 | function disp($_first=0,$_last=0,$_ref="") { |
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355 | global $css; |
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356 | $index=1; |
357 | if (sizeof($this->overview)) { |
358 | foreach ($this->overview as $id=>$msg) { |
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359 | if (!isset($msg->parent)) { |
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360 | $this->disp_desc($id,$index,$_first,$_last,$_ref); |
361 | $index += $msg->desc; |
362 | } |
363 | } |
364 | } else { |
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365 | echo "<tr class=\"{$css['pair']}\">\n"; |
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366 | echo "\t<td colspan=\"3\">\n"; |
367 | echo "\t\tNo post in this newsgroup\n"; |
368 | echo "\t</td>\n"; |
369 | echo "</tr>\n"; |
370 | } |
371 | } |
372 | |
373 | /** computes linear post index |
374 | * @param $_id INTEGER MSGNUM of post |
375 | * @return INTEGER linear index of post |
376 | */ |
377 | |
378 | function getndx($_id) { |
379 | $ndx = 1; |
380 | // on remonte l'arbre |
381 | $id_parent = $this->overview[$_id]->parent; |
382 | $id_curr = $_id; |
383 | while (!is_null($id_parent)) { |
384 | for ($i=0; $i<array_search($id_curr, |
385 | $this->overview[$id_parent]->children) ; $i++) { |
386 | $ndx += $this->overview[$this->overview[$id_parent]->children[$i]]->desc; |
387 | } |
388 | $ndx++; //noeud père |
389 | $id_curr = $id_parent; |
390 | $id_parent = $this->overview[$id_curr]->parent; |
391 | } |
392 | // on compte les threads précédents |
393 | foreach ($this->overview as $i=>$p) { |
394 | if ($i==$id_curr) { |
395 | break; |
396 | } |
397 | if (is_null($p->parent)) { |
398 | $ndx += $this->overview[$i]->desc; |
399 | } |
400 | } |
401 | return $ndx; |
402 | } |
403 | } |
404 | |
405 | ?> |