341 lines
8.6 KiB
PHP
341 lines
8.6 KiB
PHP
<?php /** @file */
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// post categories and "save to file" use the same item.file table for storage.
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// We will differentiate the different uses by wrapping categories in angle brackets
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// and save to file categories in square brackets.
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// To do this we need to escape these characters if they appear in our tag.
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function file_tag_encode($s) {
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return str_replace(array('<','>','[',']'),array('%3c','%3e','%5b','%5d'),$s);
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}
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function file_tag_decode($s) {
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return str_replace(array('%3c','%3e','%5b','%5d'),array('<','>','[',']'),$s);
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}
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function file_tag_file_query($table,$s,$type = 'file') {
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if($type == 'file')
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$termtype = TERM_FILE;
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else
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$termtype = TERM_CATEGORY;
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return sprintf(" AND " . (($table) ? dbesc($table) . '.' : '') . "id in (select term.oid from term where term.type = %d and term.term = '%s' and term.uid = " . (($table) ? dbesc($table) . '.' : '') . "uid ) ",
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intval($termtype),
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protect_sprintf(dbesc($s))
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);
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}
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function term_query($table,$s,$type = TERM_UNKNOWN) {
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return sprintf(" AND " . (($table) ? dbesc($table) . '.' : '') . "id in (select term.oid from term where term.type = %d and term.term = '%s' and term.uid = " . (($table) ? dbesc($table) . '.' : '') . "uid ) ",
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intval($type),
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protect_sprintf(dbesc($s))
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);
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}
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function store_item_tag($uid,$iid,$otype,$type,$term,$url = '') {
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if(! $term)
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return false;
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$r = q("select * from term
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where uid = %d and oid = %d and otype = %d and type = %d
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and term = '%s' and url = '%s' ",
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intval($uid),
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intval($iid),
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intval($otype),
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intval($type),
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dbesc($term),
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dbesc($url)
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);
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if($r)
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return false;
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$r = q("insert into term (uid, oid, otype, type, term, url)
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values( %d, %d, %d, %d, '%s', '%s') ",
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intval($uid),
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intval($iid),
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intval($otype),
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intval($type),
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dbesc($term),
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dbesc($url)
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);
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return $r;
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}
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function get_terms_oftype($arr,$type) {
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$ret = array();
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if(! (is_array($arr) && count($arr)))
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return $ret;
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if(! is_array($type))
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$type = array($type);
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foreach($type as $t)
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foreach($arr as $x)
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if($x['type'] == $t)
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$ret[] = $x;
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return $ret;
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}
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function format_term_for_display($term) {
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$s = '';
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if($term['type'] == TERM_HASHTAG)
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$s .= '#';
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elseif($term['type'] == TERM_MENTION)
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$s .= '@';
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else
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return $s;
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if($term['url'])
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$s .= '<a href="' . $term['url'] . '">' . htmlspecialchars($term['term'], ENT_COMPAT,'UTF-8') . '</a>';
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else
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$s .= htmlspecialchars($term['term'], ENT_COMPAT,'UTF-8');
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return $s;
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}
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// Tag cloud functions - need to be adpated to this database format
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function tagadelic($uid, $count = 0, $authors = '', $flags = 0, $restrict = 0, $type = TERM_HASHTAG) {
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$sql_options = '';
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$count = intval($count);
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if($flags)
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$sql_options .= " and ((item_flags & " . intval($flags) . ") = " . intval($flags) . ") ";
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if($authors) {
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if(! is_array($authors))
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$authors = array($authors);
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stringify_array_elms($authors,true);
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$sql_options .= " and author_xchan in (" . implode(',',$authors) . ") ";
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}
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// Fetch tags
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$r = q("select term, count(term) as total from term left join item on term.oid = item.id
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where term.uid = %d and term.type = %d
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and otype = %d and item_restrict = %d and item_private = 0
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$sql_options
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group by term order by total desc %s",
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intval($uid),
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intval($type),
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intval(TERM_OBJ_POST),
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intval($restrict),
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((intval($count)) ? "limit $count" : '')
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);
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if(! $r)
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return array();
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// Find minimum and maximum log-count.
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$tags = array();
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$min = 1e9;
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$max = -1e9;
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$x = 0;
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foreach($r as $rr) {
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$tags[$x][0] = $rr['term'];
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$tags[$x][1] = log($rr['total']);
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$tags[$x][2] = 0;
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$min = min($min,$tags[$x][1]);
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$max = max($max,$tags[$x][1]);
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$x ++;
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}
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usort($tags,'tags_sort');
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$range = max(.01, $max - $min) * 1.0001;
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for($x = 0; $x < count($tags); $x ++) {
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$tags[$x][2] = 1 + floor(5 * ($tags[$x][1] - $min) / $range);
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}
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return $tags;
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}
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function tags_sort($a,$b) {
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if($a[0] == $b[0])
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return 0;
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return((strtolower($a[0]) < strtolower($b[0])) ? -1 : 1);
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}
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function dir_tagadelic($count = 0) {
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$sql_options = '';
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$count = intval($count);
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// Fetch tags
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$r = q("select xtag_term, count(xtag_term) as total from xtag
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group by xtag_term order by total desc %s",
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((intval($count)) ? "limit $count" : '')
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);
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if(! $r)
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return array();
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// Find minimum and maximum log-count.
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$tags = array();
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$min = 1e9;
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$max = -1e9;
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$x = 0;
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foreach($r as $rr) {
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$tags[$x][0] = $rr['xtag_term'];
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$tags[$x][1] = log($rr['total']);
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$tags[$x][2] = 0;
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$min = min($min,$tags[$x][1]);
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$max = max($max,$tags[$x][1]);
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$x ++;
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}
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usort($tags,'tags_sort');
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$range = max(.01, $max - $min) * 1.0001;
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for($x = 0; $x < count($tags); $x ++) {
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$tags[$x][2] = 1 + floor(5 * ($tags[$x][1] - $min) / $range);
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}
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return $tags;
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}
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function tagblock($link,$uid,$count = 0,$authors = '',$flags = 0,$restrict = 0,$type = TERM_HASHTAG) {
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$o = '';
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$tab = 0;
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$r = tagadelic($uid,$count,$authors,$flags,$restrict,$type);
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if($r) {
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$o = '<div class="tagblock widget"><h3>' . t('Tags') . '</h3><div class="tags" align="center">';
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foreach($r as $rr) {
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$o .= '<a href="'.$link .'/' . '?f=&tag=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> ' . "\r\n";
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}
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$o .= '</div></div>';
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}
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return $o;
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}
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function dir_tagblock($link,$r) {
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$o = '';
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$tab = 0;
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if(! $r)
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$r = get_app()->data['directory_keywords'];
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if($r) {
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$o = '<div class="dirtagblock widget"><h3>' . t('Keywords') . '</h3><div class="tags" align="center">';
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foreach($r as $rr) {
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$o .= '<a href="'.$link .'/' . '?f=&keywords=' . urlencode($rr['term']).'" class="tag'.$rr['normalise'].'" rel="nofollow" >'.$rr['term'].'</a> ' . "\r\n";
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}
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$o .= '</div></div>';
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}
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return $o;
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}
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/**
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* verbs: [0] = first person singular, e.g. "I want", [1] = 3rd person singular, e.g. "Bill wants"
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* We use the first person form when creating an activity, but the third person for use in activities
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* FIXME: There is no accounting for verb gender for languages where this is significant. We may eventually
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* require obj_verbs() to provide full conjugations and specify which form to use in the $_REQUEST params to this module.
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*/
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function obj_verbs() {
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$verbs = array(
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'has' => array( t('have'), t('has')),
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'wants' => array( t('want'), t('wants')),
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'likes' => array( t('like'), t('likes')),
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'dislikes' => array( t('dislike'), t('dislikes')),
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);
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$arr = array('verbs' => $verbs);
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call_hooks('obj_verbs', $arr);
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return $arr['verbs'];
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}
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function obj_verb_selector($current = '') {
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$verbs = obj_verbs();
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$o .= '<select class="obj-verb-selector" name="verb" >';
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foreach($verbs as $k => $v) {
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$selected = (($k == $current) ? ' selected="selected" ' : '');
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$o .= '<option value="' . urlencode($k) . '"' . $selected . '>' . $v[0] . '</option>';
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}
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$o .= '</select>';
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return $o;
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}
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function get_things($profile_hash,$uid) {
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$sql_extra = (($profile_hash) ? " and obj_page = '" . $profile_hash . "' " : '');
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$r = q("select * from obj left join term on obj_obj = term_hash where term_hash != '' and uid = %d and obj_type = %d $sql_extra order by obj_verb, term",
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intval($uid),
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intval(TERM_OBJ_THING)
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);
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$things = $sorted_things = null;
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$profile_hashes = array();
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if($r) {
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// if no profile_hash was specified (display on profile page mode), match each of the things to a profile name
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// (list all my things mode). This is harder than it sounds.
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foreach($r as $rr) {
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$rr['profile_name'] = '';
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if(! in_array($rr['term_hash'],$profile_hashes))
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$profile_hashes[] = $rr['term_hash'];
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}
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stringify_array_elms($profile_hashes);
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if(! $profile_hash) {
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$exp = explode(',',$profile_hashes);
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$p = q("select profile_guid as hash, profile_name as name from profile where profile_guid in ( $exp ) ");
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if($p) {
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foreach($r as $rr) {
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foreach($p as $pp) {
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if($rr['obj_page'] == $pp['hash']) {
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$rr['profile_name'] == $pp['name'];
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}
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}
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}
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}
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}
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$things = array();
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// Use the system obj_verbs array as a sort key, since we don't really
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// want an alphabetic sort. To change the order, use a plugin to
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// alter the obj_verbs() array or alter it in code. Unknown verbs come
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// after the known ones - in no particular order.
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$v = obj_verbs();
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foreach($v as $k => $foo)
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$things[$k] = null;
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foreach($r as $rr) {
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if(! $things[$rr['obj_verb']])
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$things[$rr['obj_verb']] = array();
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$things[$rr['obj_verb']][] = array('term' => $rr['term'],'url' => $rr['url'],'img' => $rr['imgurl'], 'profile' => $rr['profile_name']);
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}
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$sorted_things = array();
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if($things) {
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foreach($things as $k => $v) {
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if(is_array($things[$k])) {
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$sorted_things[$k] = $v;
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}
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}
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}
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}
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return $sorted_things;
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} |