public function updateAllWeightedAverage()
{
$all = WeightedAverage::where("ratingable_type", "Iterinary")->get();
foreach ($all as $wa) {
//check if number of votes reaches 5 (minimum)
if ($this->checkMinVotes($wa->ratingable_id)) {
// dd("in");
$numOfVotes = count(Rating::where("ratingable_type", "Iterinary")->where("ratingable_id", $wa->ratingable_id)->get());
$avgRate = Rating::where("ratingable_type", "Iterinary")->where("ratingable_id", $wa->ratingable_id)->selectRaw("avg(value)")->get();
$avgAll = Rating::where("ratingable_type", "Iterinary")->selectRaw("avg(value)")->get();
foreach ($avgRate as $value) {
$avgRate = $value['avg(value)'];
}
foreach ($avgAll as $value) {
$avgAll = $value['avg(value)'];
}
//calculate weighted average (base Bayesian rating W = Rv+Cm/v+m )
$weighted_average = round(($avgRate * $numOfVotes + $avgAll * 5) / ($numOfVotes + 5), 1);
// dd($avgRate,$numOfVotes, $avgAll, $weighted_average);
// dd($wa->id);
$update_weighted_average = WeightedAverage::find($wa->id);
$update_weighted_average->average = $weighted_average;
$update_weighted_average->save();
// return "updated successfully";
} else {
// dd("cannot get WeightedAverage");
}
}
}
public function getRecommendation(Request $request)
{
$origin = $request->origin;
$destination = $request->destination;
$userbudget = $request->budget;
// dd($origin,$destination);
// $origin = "cebu city";
// $destination = "manila";
//get closest budget
$budget = $this->getBudgetRecommendation($userbudget, $origin, $destination);
if ($budget == 0) {
// dd("in");
$segments = $this->get_recommend($origin, $destination);
// dd($segments);
return response()->json($segments);
} else {
//get iterinaries that falls under the budget
$iterinary_choices = Iterinary::whereRaw("price <= ?", [$budget])->where("origin", $origin)->where("destination", $destination)->lists("id");
// dd($iterinary_choices);
//get the iterinary_id that falls under the budget and is the best in terms of rating
$suggested_iterinary = WeightedAverage::whereIn("ratingable_id", $iterinary_choices)->where("ratingable_type", "Iterinary")->max("average");
$suggested_iterinary = WeightedAverage::where("average", $suggested_iterinary)->where("ratingable_type", "Iterinary")->lists("ratingable_id");
//refers to points if there are iterinaries with the same rate
// dd($suggested_iterinary);
if (count($suggested_iterinary) > 1) {
$suggested_iterinary = $this->getSuggestedIterinary($suggested_iterinary);
}
// dd($suggested_iterinary);
$route_id = Iterinary::where("id", $suggested_iterinary)->lists("route_id");
$segments = Segment::where("route_id", $route_id)->get();
return response()->json($segments);
// dd($segments);
// dd($route_id);
// dd($iterinary_choices);
}
}