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加上RecommandPoint註解標示

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This commit is contained in:
Yuan Chiu 2017-03-13 21:43:12 +08:00
parent 5f44af1f5d
commit 09a71fafe0
1 changed files with 17 additions and 2 deletions
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19
htdocs/lib/Recommand/RecommandPoint.php
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@ -126,17 +126,26 @@ class RecommandPoint
*/ */
public function recommand($current_point,$activity_number) public function recommand($current_point,$activity_number)
{ {
// 取得活動物件
$this->activity = new Study\StudyActivity($activity_number); $this->activity = new Study\StudyActivity($activity_number);
// 取得主題編號
$themeID = $this->activity->getThemeId(); $themeID = $this->activity->getThemeId();
// 取得這次活動是否使用虛擬學習點
$enableVirtual = $this->activity->isEnableVirtual(); $enableVirtual = $this->activity->isEnableVirtual();
$this->theme = new Study\Theme($themeID); $this->theme = new Study\Theme($themeID);
// 計算正規化參數gamma值
$this->gamma = $this->computeNormalizationParameter($themeID); $this->gamma = $this->computeNormalizationParameter($themeID);
// 取得這個點到所有下一個點的資訊
$pointList = $this->recommand->queryEdgeByID($current_point); $pointList = $this->recommand->queryEdgeByID($current_point);
// 過濾不合法的學習點
$targetList = $this->excludeIrregularTarget($pointList,$this->activity); $targetList = $this->excludeIrregularTarget($pointList,$this->activity);
//計算路徑的權重值 //計算路徑的權重值
$pathCost = 0; $pathCost = 0; // 實體推薦度分數
$VirtualPathCost = 0; $VirtualPathCost = 0; // 虛擬學習點推薦分數
// 整理可用的學習點清單
$recommand = array(); $recommand = array();
for($i=0;$i<count($targetList);$i++) for($i=0;$i<count($targetList);$i++)
{ {
@ -145,19 +154,23 @@ class RecommandPoint
$nextPoint = new Target\Target($next_point); $nextPoint = new Target\Target($next_point);
$weight = $this->theme->getWeightByNextTarget($next_point); $weight = $this->theme->getWeightByNextTarget($next_point);
// 這個學習點目前人數已滿
if($nextPoint->isFullPeople()) if($nextPoint->isFullPeople())
{ {
$pathCost = 0; $pathCost = 0;
$virtualCost = RecommandPoint::ALPHA * $this->gamma * ($weight/$nextPoint->getLearnTime()); $virtualCost = RecommandPoint::ALPHA * $this->gamma * ($weight/$nextPoint->getLearnTime());
$isEntity=false; $isEntity=false;
// 若啟用虛擬學習點推薦
if($enableVirtual) { if($enableVirtual) {
// 加入可推薦的學習點清單
array_push($recommand,array("nextPoint" => $next_point, array_push($recommand,array("nextPoint" => $next_point,
"isEntity" => $isEntity, "isEntity" => $isEntity,
"PathCost" => $pathCost, "PathCost" => $pathCost,
"VirtualCost" => $virtualCost)); "VirtualCost" => $virtualCost));
} }
} }
// 這個學習點目前人數沒有滿
else else
{ {
$isEntity=true; $isEntity=true;
@ -166,6 +179,7 @@ class RecommandPoint
$pathCost = RecommandPoint::ALPHA * $this->gamma * ($weight * ($nextPoint->getS()-$Rj+1)/($moveTime + $nextPoint->getLearnTime())); $pathCost = RecommandPoint::ALPHA * $this->gamma * ($weight * ($nextPoint->getS()-$Rj+1)/($moveTime + $nextPoint->getLearnTime()));
$virtualCost = RecommandPoint::ALPHA * $this->gamma * ($weight/$nextPoint->getLearnTime()); $virtualCost = RecommandPoint::ALPHA * $this->gamma * ($weight/$nextPoint->getLearnTime());
// 加入可推薦的學習點清單
array_push($recommand,array("nextPoint" => $next_point, array_push($recommand,array("nextPoint" => $next_point,
"isEntity" => $isEntity, "isEntity" => $isEntity,
"PathCost" => $pathCost, "PathCost" => $pathCost,
@ -174,6 +188,7 @@ class RecommandPoint
} }
// 依照算出來的推薦度分數PathCost排序
if(count($recommand) >= 1) { if(count($recommand) >= 1) {
foreach($recommand as $key=>$value) foreach($recommand as $key=>$value)