--- /dev/null
+<?php
+/********************************************************************************
+* include/spool.inc.php : spool subroutines
+* -----------------------
+*
+* This file is part of the banana distribution
+* Copyright: See COPYING files that comes with this distribution
+********************************************************************************/
+
+/** Class spoolhead
+ * class used in thread overviews
+ */
+class spoolhead {
+ /** date (timestamp) */
+ var $date;
+ /** subject */
+ var $subject;
+ /** author */
+ var $from;
+ /** reference of parent */
+ var $parent;
+ /** array of children */
+ var $children;
+ /** true if post is read */
+ var $isread;
+ /** number of posts deeper in this branch of tree */
+ var $desc;
+ /** same as desc, but counts only unread posts */
+ var $descunread;
+
+ /** constructor
+ * @param $_date INTEGER timestamp of post
+ * @param $_subject STRING subject of post
+ * @param $_from STRING author of post
+ * @param $_desc INTEGER desc value (1 for a new post)
+ * @param $_read BOOLEAN true if read
+ * @param $_descunread INTEGER descunread value (0 for a new post)
+ */
+
+ function spoolhead($_date,$_subject,$_from,$_desc=1,$_read=true,$_descunread=0) {
+ $this->date=$_date;
+ $this->subject=$_subject;
+ $this->from=$_from;
+ $this->children=array();
+ $this->desc=$_desc;
+ $this->isread=$_read;
+ $this->descunread=$_descunread;
+ }
+}
+
+/** Class spool
+ * builds and updates spool
+ */
+
+class spool {
+# var $date;
+ /** spool */
+ var $overview;
+ /** group name */
+ var $group;
+ /** array msgid => msgnum */
+ var $ids;
+
+ /** constructor
+ * @param $_nntp RESOURCE NNTP socket filehandle
+ * @param $_group STRING group name
+ * @param $_display INTEGER 1 => all posts, 2 => only threads with new posts
+ * @param $_since INTEGER time stamp (used for read/unread)
+ */
+
+ function spool(&$_nntp,$_group,$_display=0,$_since=""){
+ $groupinfo = $_nntp->group($_group);
+ if (!$groupinfo) {
+ $this = false;
+ return false;
+ }
+ if (file_exists("/home/basile/dev/banana-dev/spool/spool-$_group.dat")) {
+ $f = fopen("/home/basile/dev/banana-dev/spool/spool-$_group.dat","r");
+ $this = unserialize(fread($f,filesize("/home/basile/dev/banana-dev/spool/spool-$_group.dat")));
+ fclose($f);
+ $keys = array_values($this->ids);
+ rsort($keys);
+ $first = $keys[0]+1;
+ $last = $groupinfo[2];
+ } else {
+ $first = $groupinfo[1];
+ $last = $groupinfo[2];
+ $this->group = $_group;
+ }
+ if (($first<=$groupinfo[2]) && ($groupinfo[0]!=0)) {
+ $dates = array_map("strtotime",
+ $_nntp->xhdr("Date","$first-$last"));
+ $msgids=$_nntp->xhdr("Message-ID","$first-$last");
+ $subjects = array_map("headerdecode",$_nntp->xhdr("Subject",
+ "$first-$last"));
+ $froms = array_map("headerdecode",$_nntp->xhdr("From",
+ "$first-$last"));
+ $refs = $_nntp->xhdr("References","$first-$last");
+# $this->date=$nntp->date;
+ if ($this->ids) {
+ $this->ids=array_merge($this->ids,array_flip($msgids));
+ } else {
+ $this->ids=array_flip($msgids);
+ }
+
+ foreach ($msgids as $id=>$msgid) {
+ $msg = new spoolhead($dates[$id],$subjects[$id],$froms[$id],
+ (isset($this->overview[$id]->desc)?
+ $this->overview[$id]->desc+1:1));
+ $refs[$id]=str_replace("><","> <",$refs[$id]);
+ $msgrefs=preg_split("/( |\t)/",strtr($refs[$id],$this->ids));
+ $parents=preg_grep("/^\d+$/",$msgrefs);
+ $msg->parent=array_pop($parents);
+ $p = $msg->parent;
+ while ($p) {
+ $this->overview[$p]->desc++;
+ $p = $this->overview[$p]->parent;
+ }
+ if ($msg->parent!="")
+ $this->overview[$msg->parent]->children[]=$id;
+ $this->overview[$id] = $msg;
+ }
+ uasort($this->overview,"spoolcompare");
+ $f = fopen("spool/spool-$_group.dat","w");
+ fputs($f,serialize($this));
+ fclose($f);
+ }
+
+ if ($_since != "") {
+ $newpostsids = $_nntp->newnews($_since,$_group);
+ if (sizeof($newpostsids)) {
+ $newpostsids = array_intersect($newpostsids,
+ array_keys($this->ids));
+ if ($newpostsids && !is_null($newpostsids)) {
+ foreach ($newpostsids as $mid) {
+ $this->overview[$this->ids[$mid]]->isread=false;
+ $this->overview[$this->ids[$mid]]->descunread=1;
+ $parentmid = $this->overview[$this->ids[$mid]]->parent;
+ while (!is_null($parentmid)) {
+ $this->overview[$parentmid]->descunread++;
+ $parentmid = $this->overview[$parentmid]->parent;
+ }
+ }
+ }
+ }
+ if (sizeof($newpostsids)>0) {
+ $flipids = array_flip($this->ids);
+ switch ($_display) {
+ case 1:
+ foreach ($this->overview as $i=>$p) {
+ if (!isset($this->overview[$i]->parent) &&
+ ($this->overview[$i]->descunread==0)) {
+ $this->killdesc($i);
+ }
+ }
+ break;
+ case 2:
+ foreach ($this->overview as $i=>$p) {
+ if ($p->isread) {
+ unset($this->overview[$i]);
+ unset($flipids[$i]);
+ }
+ }
+ $this->ids=array_flip($flipids);
+ break;
+ }
+ }
+ }
+ return true;
+ }
+
+ /** kill post and childrens
+ * @param $_id MSGNUM of post
+ */
+
+ function killdesc($_id) {
+ if (sizeof($this->overview[$_id]->children)) {
+ foreach ($this->overview[$_id]->children as $c) {
+ $this->killdesc($c);
+ }
+ }
+ unset($this->overview[$_id]);
+# $flipid=array_flip($this->ids);
+# unset($flipid[$id]);
+# $this->ids=array_flip($flipid);
+ }
+
+ /** delete a post from overview
+ * @param $_id MSGNUM of post
+ */
+
+ function delid($_id) {
+ if (isset($this->overview[$_id])) {
+ if (sizeof($this->overview[$_id]->parent)) {
+ $this->overview[$this->overview[$_id]->parent]->children =
+ array_diff($this->overview[$this->overview[$_id]->parent]->children,
+ array($_id));
+ if (sizeof($this->overview[$_id]->children)) {
+ $this->overview[$this->overview[$_id]->parent]->children =
+ array_merge($this->overview[$this->overview[$_id]->parent]->children,
+ $this->overview[$_id]->children);
+ foreach ($this->overview[$_id]->children as $c) {
+ $this->overview[$c]->parent = $this->overview[$_id]->parent;
+ }
+ }
+ $p = $this->overview[$_id]->parent;
+ while ($p) {
+ $this->overview[$p]->desc--;
+ $p = $this->overview[$p]->parent;
+ }
+ } elseif (sizeof($this->overview[$_id]->children)) {
+ foreach ($this->overview[$_id]->children as $c) {
+ $this->overview[$c]->parent = null;
+ }
+ }
+ unset($this->overview[$_id]);
+ $ids = array_flip($this->ids);
+ unset($ids[$_id]);
+ $this->ids = array_flip($ids);
+ $f = fopen("spool/spool-{$this->group}.dat","w");
+ fputs($f,serialize($this));
+ fclose($f);
+ }
+ }
+
+ /** displays children tree of a post
+ * @param $_id INTEGER MSGNUM of post
+ * @param $_index INTEGER linear number of post in the tree
+ * @param $_first INTEGER linear number of first post displayed
+ * @param $_last INTEGER linear number of last post displayed
+ * @param $_ref STRING MSGNUM of current post
+ * @param $_pfx_node STRING prefix used for current node
+ * @param $_pfx_end STRING prefix used for children of current node
+ * @param $_head BOOLEAN true if first post in thread
+ */
+
+ function disp_desc($_id,$_index="",$_first=0,$_last=0,$_ref="",
+ $_pfx_node="", $_pfx_end="",$_head=true) {
+ $debug = false;
+ $spfx_f = '<img src="img/k1.gif" height="21" width="9" alt="o" />';
+ $spfx_n = '<img src="img/k2.gif" height="21" width="9" alt="*" />';
+ $spfx_T = '<img src="img/T.gif" height="21" width="12" alt="+" />';
+ $spfx_L = '<img src="img/L.gif" height="21" width="12" alt="`" />';
+ $spfx_s = '<img src="img/s.gif" height="21" width="5" alt="-" />';
+ $spfx_e = '<img src="img/e.gif" height="21" width="12" alt=" " />';
+ $spfx_I = '<img src="img/I.gif" height="21" width="12"alt="|" />';
+
+ if ($_index == "") $_index = $this->getndx($_id);
+
+ if (!sizeof($this->overview[$_id]->children) && ($_index<=$_last)
+ && ($_index>=$_first)) {
+ echo '<tr class="'.($_index%2?"pair":"impair")."\">\n";
+ echo "<td class=\"date\">"
+ .formatSpoolHeader("date",$this->overview[$_id]->date,$_id,
+ $this->group,($_index==$_ref),$this->overview[$_id]->isread)
+ ." </td>\n";
+ echo "<td class=\"subject\"><div class=\"tree\">"
+ .$_pfx_node.($_head?$spfx_f:$spfx_s)."</div>"
+ .formatSpoolHeader("subject",$this->overview[$_id]->subject,$_id,
+ $this->group,($_index==$_ref),$this->overview[$_id]->isread)
+ .($debug?" $_id $_index ".
+ $this->overview[$_id]->desc." ".$this->overview[$_id]->descunread." ":"")." </td>\n";
+ echo "<td class=\"author\">"
+ .formatSpoolHeader("from",$this->overview[$_id]->from,$_id,
+ $this->group,($_index==$_ref),$this->overview[$_id]->isread)
+ ." </td>\n</tr>";
+ return true;
+ }
+ $children = $this->overview[$_id]->children;
+ if (($_index<=$_last) && ($_index>=$_first)) {
+ echo '<tr class="'.($_index%2?"pair":"impair")."\">\n";
+ echo "<td class=\"date\">"
+ .formatSpoolHeader("date",$this->overview[$_id]->date,$_id,
+ $this->group,($_index==$_ref),$this->overview[$_id]->isread)
+ ." </td>\n";
+ echo "<td class=\"subject\"><div class=\"tree\">"
+ .$_pfx_node.$spfx_n."</div>"
+ .formatSpoolHeader("subject",$this->overview[$_id]->subject,$_id,
+ $this->group,($_index==$_ref),$this->overview[$_id]->isread)
+ .($debug?" $_id $_index ".
+ $this->overview[$_id]->desc." ".$this->overview[$_id]->descunread." ":"")." </td>\n";
+ echo "<td class=\"author\">"
+ .formatSpoolHeader("from",$this->overview[$_id]->from,$_id,
+ $this->group,($_index==$_ref),$this->overview[$_id]->isread)
+ ." </td>\n</tr>";
+ }
+ $index=$_index+1;
+ while ($child = array_shift($children)) {
+ if (($index+$this->overview[$child]->desc-1>=$_first)
+ ||($index<$_last)){
+ if (sizeof($children)) {
+ $this->disp_desc($child,$index,$_first,$_last,$_ref,
+ $_pfx_end.$spfx_T,$_pfx_end.$spfx_I,false);
+ } else {
+ $this->disp_desc($child,$index,$_first,$_last,$_ref,
+ $_pfx_end.$spfx_L,$_pfx_end.$spfx_e,false);
+ }
+ }
+ $index += $this->overview[$child]->desc;
+ }
+ }
+
+ /** Displays overview
+ * @param $_first INTEGER MSGNUM of first post
+ * @param $_last INTEGER MSGNUM of last post
+ * @param $_ref STRING MSGNUM of current/selectionned post
+ */
+
+ function disp($_first=0,$_last=0,$_ref="") {
+ $index=1;
+ if (sizeof($this->overview)) {
+ foreach ($this->overview as $id=>$msg) {
+ if (!sizeof($msg->parent)) {
+ $this->disp_desc($id,$index,$_first,$_last,$_ref);
+ $index += $msg->desc;
+ }
+ }
+ } else {
+ echo "<tr class=\"pair\">\n";
+ echo "\t<td colspan=\"3\">\n";
+ echo "\t\tNo post in this newsgroup\n";
+ echo "\t</td>\n";
+ echo "</tr>\n";
+ }
+ }
+
+ /** computes linear post index
+ * @param $_id INTEGER MSGNUM of post
+ * @return INTEGER linear index of post
+ */
+
+ function getndx($_id) {
+ $ndx = 1;
+ // on remonte l'arbre
+ $id_parent = $this->overview[$_id]->parent;
+ $id_curr = $_id;
+ while (!is_null($id_parent)) {
+ for ($i=0; $i<array_search($id_curr,
+ $this->overview[$id_parent]->children) ; $i++) {
+ $ndx += $this->overview[$this->overview[$id_parent]->children[$i]]->desc;
+ }
+ $ndx++; //noeud père
+ $id_curr = $id_parent;
+ $id_parent = $this->overview[$id_curr]->parent;
+ }
+ // on compte les threads précédents
+ foreach ($this->overview as $i=>$p) {
+ if ($i==$id_curr) {
+ break;
+ }
+ if (is_null($p->parent)) {
+ $ndx += $this->overview[$i]->desc;
+ }
+ }
+ return $ndx;
+ }
+}
+
+?>
projects / banana.git / commitdiff