public function start($user_id)
{
$offset = Input::has('page') ? Input::get('page') : 0;
$user = User::find($user_id);
if (!$user) {
return $this->respondNotFound('User not found');
}
$balance = $user->balance;
if (Input::get('category') == 0) {
$s = Setting::first();
if ($balance < $s->general_cost) {
return $this->respondInsufficientPrivileges('Not enough money');
}
if ($offset == 0) {
$user->balance = $user->balance - $s->general_cost;
}
// $words = WordCard::take(20)->skip($offset * 20)->get()->toArray();
$testWords = DB::table('test_word_cards')->where('category_id', 0)->where('user_id', $user->id)->get();
$transformedTestWords = array_map(function ($testWord) {
return ['id' => $testWord->id, 'user_id' => $testWord->user_id, 'word_id' => $testWord->word_id, 'category_id' => $testWord->category_id];
}, $testWords);
$words = WordCard::getRandomCards($transformedTestWords, 20);
if (count($words) == 0) {
DB::table('test_word_cards')->where('category_id', 0)->where('user_id', $user->id)->delete();
}
foreach ($words as $word) {
$wordsToModel[$word['id']] = ['category_id' => 0];
}
} else {
$category = Category::find(Input::get('category'));
if (!$category) {
return $this->respondNotFound('Category not found');
}
if ($category->wordcards->count() <= 20) {
return $this->respond(['status' => 'started', 'balance' => $user->balance, 'words' => []]);
}
if ($balance < $category->test_price) {
return $this->respondInsufficientPrivileges('Not enough money');
}
// Begin compiling cards
$testWords = DB::table('test_word_cards')->where('category_id', $category->id)->where('user_id', $user->id)->get();
$transformedTestWords = array_map(function ($testWord) {
return ['id' => $testWord->id, 'user_id' => $testWord->user_id, 'word_id' => $testWord->word_id, 'category_id' => $testWord->category_id];
}, $testWords);
$words = WordCard::getRandomCards($transformedTestWords, 20, $category);
// We got less than 5
if (count($words) <= 5 && $offset == 0) {
// remove from history
DB::table('test_word_cards')->where('category_id', $category->id)->where('user_id', $user->id)->delete();
$secondIterationWords = WordCard::getRandomCards([], 20 - count($words), $category);
$words = array_merge($words, $secondIterationWords);
$words = array_values($words);
} elseif (count($words) == 0 && $offset != 0) {
DB::table('test_word_cards')->where('category_id', $category->id)->where('user_id', $user->id)->delete();
}
foreach ($words as $word) {
$wordsToModel[$word['id']] = ['category_id' => $category->id];
}
if ($offset == 0 && count($words) > 5) {
$user->balance = $user->balance - $category->test_price;
}
}
if (isset($wordsToModel)) {
$user->testWords()->attach($wordsToModel);
}
$user->save();
shuffle($words);
$response['status'] = 'started';
$response['count'] = count($words);
$response['balance'] = $user->balance;
$response['words'] = $this->transformWordsCollection($words);
return $this->respond($response);
}
