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-rw-r--r--services/tag2tagservice.php36
1 files changed, 30 insertions, 6 deletions
diff --git a/services/tag2tagservice.php b/services/tag2tagservice.php
index 14d57b3..f46ef7c 100644
--- a/services/tag2tagservice.php
+++ b/services/tag2tagservice.php
@@ -37,7 +37,7 @@ class Tag2TagService {
}
// Return the target linked tags. If inverseRelation is true, return the source linked tags.
- function getLinkedTags($tag, $relationType, $uId = null, $inverseRelation = false) {
+ function getLinkedTags($tag, $relationType, $uId = null, $inverseRelation = false, $stopList = array()) {
// Set up the SQL query.
if($inverseRelation) {
$queriedTag = "tag1";
@@ -68,41 +68,65 @@ class Tag2TagService {
$rowset = $this->db->sql_fetchrowset($dbresult);
$output = array();
foreach($rowset as $row) {
- $output[] = $row['tag'];
+ if(!in_array($row['tag'], $stopList)) {
+ $output[] = $row['tag'];
+ }
+ }
+
+ //bijective case for '='
+ if($relationType == '=' && $inverseRelation == false) {
+ //$stopList[] = $tag;
+ $bijectiveOutput = $this->getLinkedTags($tag, $relationType, $uId, true, $stopList);
+ $output = array_merge($output, $bijectiveOutput);
+ //$output = array_unique($output); // remove duplication
}
+
return $output;
}
/* TODO: clean the outputs to obtain homogenous ones*/
function getAllLinkedTags($tag1, $relationType, $uId, $asFlatList=true, $stopList=array()) {
+ $asFlatList = true; //we disable the tree list parameter for the moment
+
if(in_array($tag1, $stopList)) {
return $tag1;
}
- $linkedTags = $this->getLinkedTags($tag1, $relationType, $uId);
+
+ $stopList2 = $stopList;
+ $stopList2[] = $tag1;
+ $linkedTags = $this->getLinkedTags($tag1, $relationType, $uId, false, $stopList2);
+
+ if($relationType != '=') {
+ $linkedTags = array_merge($linkedTags, $this->getLinkedTags($tag1, '=', $uId, false, $stopList2));
+ }
+
if(count($linkedTags) == 0) {
return $tag1;
} else {
$output = array();
if($asFlatList == true) {
- $output[$tag1] = $tag1;
+ //$output[$tag1] = $tag1;
} else {
$output = array('node'=>$tag1);
}
$stopList[] = $tag1;
foreach($linkedTags as $linkedTag) {
- $allLinkedTags = $this->getAllLinkedTags($linkedTag, $relationType, $uId, $asFlatList, $stopList);
+ $allLinkedTags = $this->getAllLinkedTags($linkedTag, $relationType, $uId, $asFlatList, $stopList);
+
if($asFlatList == true) {
if(is_array($allLinkedTags)) {
+ $output[] = $linkedTag;
$output = array_merge($output, $allLinkedTags);
} else {
- $output[$allLinkedTags] = $allLinkedTags;
+ $output[] = $allLinkedTags;
}
} else {
$output[] = $allLinkedTags;
}
}
}
+ //$output = array_unique($output); // remove duplication
return $output;
}