query: $query
"; $res = msql_query($query, $dbi['dbc']); if (msql_num_rows($res)) { $dbhash = msql_fetch_array($res); $query = "select lineno,line from $pagetable " . "where pagename='$pagename' " . "order by lineno"; $msql_content = ""; if ($res = msql_query($query, $dbi['dbc'])) { $dbhash["content"] = array(); while ($row = msql_fetch_array($res)) { $msql_content .= $row["line"]; } $dbhash["content"] = explode("\n", $msql_content); } return MakePageHash($dbhash); } return -1; } // Either insert or replace a key/value (a page) function InsertPage($dbi, $pagename, $pagehash) { $pagehash = MakeDBHash($pagename, $pagehash); // $pagehash["content"] is now an array of strings // of MSQL_MAX_LINE_LENGTH // record the time of modification $pagehash["lastmodified"] = time(); if (IsWikiPage($dbi, $pagename)) { $PAIRS = "author='$pagehash[author]'," . "created=$pagehash[created]," . "flags=$pagehash[flags]," . "lastmodified=$pagehash[lastmodified]," . "pagename='$pagehash[pagename]'," . "refs='$pagehash[refs]'," . "version=$pagehash[version]"; $query = "UPDATE $dbi[table] SET $PAIRS WHERE pagename='$pagename'"; } else { // do an insert // build up the column names and values for the query $COLUMNS = "author, created, flags, lastmodified, " . "pagename, refs, version"; $VALUES = "'$pagehash[author]', " . "$pagehash[created], $pagehash[flags], " . "$pagehash[lastmodified], '$pagehash[pagename]', " . "'$pagehash[refs]', $pagehash[version]"; $query = "INSERT INTO $dbi[table] ($COLUMNS) VALUES($VALUES)"; } // echo "
Query: $query
\n";
// first, insert the metadata
$retval = msql_query($query, $dbi['dbc']);
if ($retval == false) {
printf(gettext ("Insert/update failed: %s"), msql_error());
print "
\n";
}
// second, insert the page data
// remove old data from page_table
$query = "delete from $dbi[page_table] where pagename='$pagename'";
// echo "Delete query: $query
\n";
$retval = msql_query($query, $dbi['dbc']);
if ($retval == false) {
printf(gettext ("Delete on %s failed: %s"), $dbi[page_table],
msql_error());
print "
\n";
}
// insert the new lines
reset($pagehash["content"]);
for ($x = 0; $x < count($pagehash["content"]); $x++) {
$line = addslashes($pagehash["content"][$x]);
$query = "INSERT INTO $dbi[page_table] " .
"(pagename, lineno, line) " .
"VALUES('$pagename', $x, '$line')";
// echo "Page line insert query: $query
\n";
$retval = msql_query($query, $dbi['dbc']);
if ($retval == false) {
printf(gettext ("Insert into %s failed: %s"), $dbi[page_table],
msql_error());
print "
\n";
}
}
}
// for archiving pages to a separate table
function SaveCopyToArchive($dbi, $pagename, $pagehash) {
global $ArchivePageStore;
$pagehash = MakeDBHash($pagename, $pagehash);
// $pagehash["content"] is now an array of strings
// of MSQL_MAX_LINE_LENGTH
if (IsInArchive($dbi, $pagename)) {
$PAIRS = "author='$pagehash[author]'," .
"created=$pagehash[created]," .
"flags=$pagehash[flags]," .
"lastmodified=$pagehash[lastmodified]," .
"pagename='$pagehash[pagename]'," .
"refs='$pagehash[refs]'," .
"version=$pagehash[version]";
$query = "UPDATE $ArchivePageStore[table] SET $PAIRS WHERE pagename='$pagename'";
} else {
// do an insert
// build up the column names and values for the query
$COLUMNS = "author, created, flags, lastmodified, " .
"pagename, refs, version";
$VALUES = "'$pagehash[author]', " .
"$pagehash[created], $pagehash[flags], " .
"$pagehash[lastmodified], '$pagehash[pagename]', " .
"'$pagehash[refs]', $pagehash[version]";
$query = "INSERT INTO archive ($COLUMNS) VALUES($VALUES)";
}
// echo "
Query: $query
\n";
// first, insert the metadata
$retval = msql_query($query, $dbi['dbc']);
if ($retval == false) {
printf(gettext ("Insert/update failed: %s"), msql_error());
print "
\n";
}
// second, insert the page data
// remove old data from page_table
$query = "delete from $ArchivePageStore[page_table] where pagename='$pagename'";
// echo "Delete query: $query
\n";
$retval = msql_query($query, $dbi['dbc']);
if ($retval == false) {
printf(gettext ("Delete on %s failed: %s"),
$ArchivePageStore[page_table], msql_error());
print "
\n";
}
// insert the new lines
reset($pagehash["content"]);
for ($x = 0; $x < count($pagehash["content"]); $x++) {
$line = addslashes($pagehash["content"][$x]);
$query = "INSERT INTO $ArchivePageStore[page_table] " .
"(pagename, lineno, line) " .
"VALUES('$pagename', $x, '$line')";
// echo "Page line insert query: $query
\n";
$retval = msql_query($query, $dbi['dbc']);
if ($retval == false) {
printf(gettext ("Insert into %s failed: %s"),
$ArchivePageStore[page_table], msql_error());
print "
\n";
}
}
}
function IsWikiPage($dbi, $pagename) {
$pagename = addslashes($pagename);
$query = "select pagename from wiki where pagename='$pagename'";
// echo "Query: $query
\n";
if ($res = msql_query($query, $dbi['dbc'])) {
return(msql_affected_rows($res));
}
}
function IsInArchive($dbi, $pagename) {
$pagename = addslashes($pagename);
$query = "select pagename from archive where pagename='$pagename'";
// echo "Query: $query
\n";
if ($res = msql_query($query, $dbi['dbc'])) {
return(msql_affected_rows($res));
}
}
// setup for title-search
function InitTitleSearch($dbi, $search) {
$search = addslashes($search);
$query = "select pagename from $dbi[table] " .
"where pagename clike '%$search%' order by pagename";
$res = msql_query($query, $dbi['dbc']);
return $res;
}
// iterating through database
function TitleSearchNextMatch($dbi, $res) {
if($o = msql_fetch_object($res)) {
return $o->pagename;
}
else {
return 0;
}
}
// setup for full-text search
function InitFullSearch($dbi, $search) {
// select unique page names from wikipages, and then
// retrieve all pages that come back.
$search = addslashes($search);
$query = "select distinct pagename from $dbi[page_table] " .
"where line clike '%$search%' " .
"order by pagename";
$res = msql_query($query, $dbi['dbc']);
return $res;
}
// iterating through database
function FullSearchNextMatch($dbi, $res) {
global $WikiPageStore;
if ($row = msql_fetch_row($res)) {
return RetrievePage($dbi, $row[0], $WikiPageStore);
} else {
return 0;
}
}
////////////////////////
// new database features
function IncreaseHitCount($dbi, $pagename) {
$query = "select hits from hitcount where pagename='$pagename'";
$res = msql_query($query, $dbi['dbc']);
if (msql_num_rows($res)) {
$hits = msql_result($res, 0, 'hits');
$hits++;
$query = "update hitcount set hits=$hits where pagename='$pagename'";
$res = msql_query($query, $dbi['dbc']);
} else {
$query = "insert into hitcount (pagename, hits) " .
"values ('$pagename', 1)";
$res = msql_query($query, $dbi['dbc']);
}
return $res;
}
function GetHitCount($dbi, $pagename) {
$query = "select hits from hitcount where pagename='$pagename'";
$res = msql_query($query, $dbi['dbc']);
if (msql_num_rows($res)) {
$hits = msql_result($res, 0, 'hits');
} else {
$hits = "0";
}
return $hits;
}
function InitMostPopular($dbi, $limit) {
$query = "select * from hitcount " .
"order by hits desc, pagename limit $limit";
$res = msql_query($query, $dbi['dbc']);
return $res;
}
function MostPopularNextMatch($dbi, $res) {
if ($hits = msql_fetch_array($res)) {
return $hits;
} else {
return 0;
}
}
function GetAllWikiPageNames($dbi_) {
$res = msql_query("select pagename from wiki", $dbi['dbc']);
$rows = msql_num_rows($res);
for ($i = 0; $i < $rows; $i++) {
$pages[$i] = msql_result($res, $i, 'pagename');
}
return $pages;
}
////////////////////////////////////////
// functionality for the wikilinks table
// takes a page name, returns array of scored incoming and outgoing links
function GetWikiPageLinks($dbi, $pagename) {
$links = array();
$pagename = addslashes($pagename);
$res = msql_query("select wikilinks.topage, wikiscore.score from wikilinks, wikiscore where wikilinks.topage=wikiscore.pagename and wikilinks.frompage='$pagename' order by score desc, topage", $dbi['dbc']);
$rows = msql_num_rows($res);
for ($i = 0; $i < $rows; $i++) {
$out = msql_fetch_array($res);
$links['out'][] = array($out['topage'], $out['score']);
}
$res = msql_query("select wikilinks.frompage, wikiscore.score from wikilinks, wikiscore where wikilinks.frompage=wikiscore.pagename and wikilinks.topage='$pagename' order by score desc, frompage", $dbi['dbc']);
$rows = msql_num_rows($res);
for ($i = 0; $i < $rows; $i++) {
$out = msql_fetch_array($res);
$links['in'][] = array($out['frompage'], $out['score']);
}
$res = msql_query("select distinct hitcount.pagename, hitcount.hits from wikilinks, hitcount where (wikilinks.frompage=hitcounts.pagename and wikilinks.topage='$pagename') or (wikilinks.topage=pagename and wikilinks.frompage='$pagename') order by hitcount.hits desc, wikilinks.pagename", $dbi['dbc']);
$rows = msql_num_rows($res);
for ($i = 0; $i < $rows; $i++) {
$out = msql_fetch_array($res);
$links['popular'][] = array($out['pagename'], $out['hits']);
}
return $links;
}
// takes page name, list of links it contains
// the $linklist is an array where the keys are the page names
function SetWikiPageLinks($dbi, $pagename, $linklist) {
$frompage = addslashes($pagename);
// first delete the old list of links
msql_query("delete from wikilinks where frompage='$frompage'",
$dbi["dbc"]);
// the page may not have links, return if not
if (! count($linklist))
return;
// now insert the new list of links
while (list($topage, $count) = each($linklist)) {
$topage = addslashes($topage);
if($topage != $frompage) {
msql_query("insert into wikilinks (frompage, topage) " .
"values ('$frompage', '$topage')", $dbi["dbc"]);
}
}
// update pagescore. rotsa ruck.
msql_query("delete from wikiscore", $dbi["dbc"]);
msql_query("insert into wikiscore select w1.topage, count(*) from wikilinks as w1, wikilinks as w2 where w2.topage=w1.frompage group by w1.topage", $dbi["dbc"]);
}
?>