[module.professor] implemented GET method (getById if id given, else getAll)

build/api/module/ProfessorController.php

@@ -14,11 +14,42 @@ use database\repo\professor;
 
 class ProfessorController{
 
+
+	/* (1) Returns 1 or all professors
+	*
+	* @prof_id<int>						[OPT] The professor UID
+	*
+	* @return professors<array>			The professor(s) data
+	*
+	---------------------------------------------------------*/
 	public static function get($args){
 		$prof_id = null;
 		extract($args);
 
-		return ['teachers' => [1, 2]];
+		/* Get the professor repo */
+		$prof_repo = Repo::getRepo('professor');
+
+
+		/* (1) If @prof_id is set -> getById()
+		---------------------------------------------------------*/
+		if( !is_null($prof_id) ){
+
+			/* (1) Only get one professor by its id */
+			$fetch_prof = $prof_repo->getById((int) $prof_id);
+
+			/* (2) If nothing found -> return empty set */
+			if( is_null($fetch_prof) )
+				return ['professors' => []];
+
+			/* (3) Else -> return the professor */
+			return ['professors' => [$fetch_prof]];
+
+		}
+
+
+		/* (2) Else -> getAll()
+		---------------------------------------------------------*/
+		return ['professors' => $prof_repo->getAll($prof_id)];
 	}
 
 }