public function testGetIterator()
{
// Remove the following lines when you implement this test.
$it = $this->object->getIterator();
$this->assertTrue($it instanceof \Iterator);
$i = 0;
$assert = false;
foreach ($this->object as $val) {
$assert = true;
$this->assertTrue($val->toNative() == $i);
$i++;
}
$this->assertTrue($assert);
$it->next();
$this->assertTrue($it->current()->toNative() === 1);
$it->next();
$it->next();
$it->next();
$it->remove();
}
/**
* @return array
*/
public function getTags()
{
if ($blog = $this->Blog()) {
$escapedID = Convert::raw2sql($blog->ID);
$sql = 'SELECT DISTINCT "BlogTag"."URLSegment","BlogTag"."Title",Count("BlogTagID") AS "TagCount"
from "BlogPost_Tags"
INNER JOIN "BlogPost"
ON "BlogPost"."ID" = "BlogPost_Tags"."BlogPostID"
INNER JOIN "BlogTag"
ON "BlogTag"."ID" = "BlogPost_Tags"."BlogTagID"
WHERE "BlogID" = ' . $escapedID . ' GROUP By "BlogTag"."URLSegment","BlogTag"."Title"
ORDER BY "Title"';
$records = DB::query($sql);
$bloglink = $blog->Link();
$maxTagCount = 0;
// create DataObjects that can be used to render the tag cloud
$tags = new ArrayList();
foreach ($records as $record) {
$tag = new DataObject();
$tag->TagName = $record['Title'];
$link = $bloglink . 'tag/' . $record['URLSegment'];
$tag->Link = $link;
if ($record['TagCount'] > $maxTagCount) {
$maxTagCount = $record['TagCount'];
}
$tag->TagCount = $record['TagCount'];
$tags->push($tag);
}
// normalize the tag counts from 1 to 10
if ($maxTagCount) {
$tagfactor = 10 / $maxTagCount;
foreach ($tags->getIterator() as $tag) {
$normalized = round($tagfactor * $tag->TagCount);
$tag->NormalizedTag = $normalized;
}
}
return $tags;
}
return array();
}
