felicity-iiith /
felicity18-website
| Total Complexity | 67 |
| Total Lines | 596 |
| Duplicated Lines | 53.02 % |
| Changes | 0 | ||
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like contest_model often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use contest_model, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 3 | class contest_model extends Model { |
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| 4 | |||
| 5 | function __construct() { |
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| 6 | $this->load_library("db_lib"); |
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| 7 | } |
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| 8 | |||
| 9 | private function is_registered($table_name, $user_nick) { |
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| 10 | $stmt = $this->db_lib->prepared_execute( |
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| 11 | $this->DB->contest, |
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| 12 | "SELECT * |
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| 13 | FROM `$table_name` |
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| 14 | WHERE `nick` = ?", |
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| 15 | "s", |
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| 16 | [$user_nick] |
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| 17 | ); |
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| 18 | if (!$stmt) { |
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| 19 | return false; |
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| 20 | } |
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| 21 | $user_details = $stmt->get_result()->fetch_assoc(); |
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| 22 | if ($user_details) { |
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| 23 | return $user_details; |
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| 24 | } |
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| 25 | return false; |
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| 26 | } |
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| 27 | |||
| 28 | /* |
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| 29 | |--------------------------------------------------------------------------- |
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| 30 | | TTT-Workshop |
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| 31 | |--------------------------------------------------------------------------- |
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| 32 | */ |
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| 33 | |||
| 34 | public function is_registered_for_ttt($user_nick) { |
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| 36 | } |
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| 37 | |||
| 38 | View Code Duplication | public function register_for_ttt($user_nick, $contact_number) { |
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| 39 | $stmt = $this->db_lib->prepared_execute( |
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| 40 | $this->DB->contest, |
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| 41 | "INSERT INTO `ttt_registrations` |
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| 42 | (`nick`, `contact_number`) VALUES (?, ?)", |
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| 43 | "ss", |
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| 44 | [$user_nick, $contact_number] |
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| 45 | ); |
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| 46 | if (!$stmt) { |
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| 47 | return false; |
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| 48 | } |
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| 49 | else { |
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| 50 | return true; |
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| 51 | } |
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| 52 | } |
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| 53 | |||
| 54 | View Code Duplication | public function ttt_payment_success($payment_id, $nick, $status, $payment_data) { |
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| 55 | $stmt = $this->db_lib->prepared_execute( |
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| 56 | $this->DB->contest, |
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| 57 | "UPDATE `ttt_registrations` |
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| 58 | SET `payment_id` = ?, `payment_status` = ?, `payment_data` = ? |
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| 59 | WHERE `nick` = ?", |
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| 60 | "ssss", |
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| 61 | [$payment_id, $status, $payment_data, $nick] |
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| 62 | ); |
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| 63 | $this->ttt_dump_data($nick, 'callback', $payment_data); |
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| 64 | if (!$stmt) { |
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| 65 | return false; |
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| 66 | } |
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| 67 | else { |
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| 68 | return true; |
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| 69 | } |
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| 70 | } |
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| 71 | |||
| 72 | public function ttt_dump_data($nick, $type, $response) { |
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| 73 | $this->db_lib->prepared_execute( |
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| 74 | $this->DB->contest, |
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| 75 | "INSERT INTO `ttt_payment_dump` |
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| 76 | (`nick`, `type`, `response`) |
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| 77 | VALUES (?, ?, ?)", |
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| 78 | "sss", |
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| 79 | [$nick, $type, $response] |
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| 80 | ); |
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| 81 | } |
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| 82 | |||
| 83 | /* |
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| 84 | |--------------------------------------------------------------------------- |
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| 85 | | Futsal |
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| 86 | |--------------------------------------------------------------------------- |
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| 87 | */ |
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| 88 | |||
| 89 | private function get_futsal_team($team_id) { |
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| 90 | $stmt = $this->db_lib->prepared_execute( |
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| 91 | $this->DB->contest, |
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| 92 | "SELECT * |
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| 93 | FROM `futsal_teams` |
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| 94 | WHERE `id` = ?", |
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| 95 | "i", |
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| 96 | [$team_id] |
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| 97 | ); |
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| 98 | if (!$stmt) { |
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| 99 | return false; |
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| 100 | } |
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| 101 | $team_info = $stmt->get_result()->fetch_assoc(); |
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| 102 | if ($team_info) { |
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| 103 | return $team_info; |
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| 104 | } |
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| 105 | return false; |
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| 106 | } |
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| 107 | |||
| 108 | public function is_registered_for_futsal($user_nick) { |
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| 109 | $user_details = $this->is_registered('futsal_participants', $user_nick); |
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| 110 | if ($user_details) { |
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| 111 | $team_info = $this->get_futsal_team($user_details['team_id']); |
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| 112 | return $team_info; |
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| 113 | } |
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| 114 | return false; |
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| 115 | } |
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| 116 | |||
| 117 | View Code Duplication | public function check_futsal_team_exists($team_name) { |
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| 118 | $stmt = $this->db_lib->prepared_execute( |
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| 119 | $this->DB->contest, |
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| 120 | "SELECT * |
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| 121 | FROM `futsal_teams` |
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| 122 | WHERE `team_name` = ?", |
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| 123 | "s", |
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| 124 | [$team_name] |
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| 125 | ); |
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| 126 | if (!$stmt) { |
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| 127 | return false; |
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| 128 | } |
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| 129 | $stmt->store_result(); |
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| 130 | if ($stmt->num_rows > 0) { |
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| 131 | return true; |
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| 132 | } |
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| 133 | return false; |
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| 134 | } |
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| 135 | |||
| 136 | View Code Duplication | public function check_futsal_participant_exists($user_nick) { |
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| 137 | $stmt = $this->db_lib->prepared_execute( |
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| 138 | $this->DB->contest, |
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| 139 | "SELECT * |
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| 140 | FROM `futsal_participants` |
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| 141 | WHERE `nick` = ?", |
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| 142 | "s", |
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| 143 | [$user_nick] |
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| 144 | ); |
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| 145 | if (!$stmt) { |
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| 146 | return false; |
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| 147 | } |
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| 148 | $stmt->store_result(); |
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| 149 | if ($stmt->num_rows > 0) { |
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| 150 | return true; |
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| 151 | } |
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| 152 | return false; |
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| 153 | } |
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| 154 | |||
| 155 | View Code Duplication | public function register_for_futsal($team_name, $contact_number, $team) { |
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| 156 | $this->DB->contest->begin_transaction(MYSQLI_TRANS_START_READ_WRITE); |
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| 157 | $stmt = $this->db_lib->prepared_execute( |
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| 158 | $this->DB->contest, |
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| 159 | "INSERT INTO `futsal_teams` |
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| 160 | (`team_name`, `contact_number`) VALUES (?, ?)", |
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| 161 | "ss", |
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| 162 | [$team_name, $contact_number] |
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| 163 | ); |
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| 164 | if (!$stmt) { |
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| 165 | return false; |
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| 166 | } |
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| 167 | $team_id = $this->DB->contest->insert_id; |
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| 168 | foreach ($team as $nick) { |
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| 169 | $stmt = $this->db_lib->prepared_execute( |
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| 170 | $this->DB->contest, |
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| 171 | "INSERT INTO `futsal_participants` |
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| 172 | (`team_id`, `nick`) VALUES (?, ?)", |
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| 173 | "is", |
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| 174 | [$team_id, $nick] |
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| 175 | ); |
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| 176 | if (!$stmt) { |
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| 177 | return false; |
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| 178 | } |
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| 179 | } |
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| 180 | return $this->DB->contest->commit(); |
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| 181 | } |
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| 182 | |||
| 183 | /* |
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| 184 | |--------------------------------------------------------------------------- |
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| 185 | | Paper Presentation |
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| 186 | |--------------------------------------------------------------------------- |
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| 187 | */ |
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| 188 | |||
| 189 | public function is_registered_for_paper_presentation($user_nick) { |
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| 190 | return $this->is_registered('paper_presentation', $user_nick); |
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| 191 | } |
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| 192 | |||
| 193 | View Code Duplication | public function register_for_paper_presentation($info) { |
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| 194 | return $this->db_lib->prepared_execute( |
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| 195 | $this->DB->contest, |
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| 196 | "INSERT INTO `paper_presentation` |
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| 197 | (`nick`, `contact_number`, `paper_link`) |
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| 198 | VALUES (?, ?, ?)", |
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| 199 | "sss", |
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| 200 | [ |
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| 201 | $info['nick'], |
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| 202 | $info['contact_number'], |
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| 203 | $info['paper_link'], |
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| 204 | ], |
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| 205 | false |
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| 206 | ); |
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| 207 | } |
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| 208 | |||
| 209 | /* |
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| 210 | |--------------------------------------------------------------------------- |
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| 211 | | Visualize it |
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| 212 | |--------------------------------------------------------------------------- |
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| 213 | */ |
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| 214 | |||
| 215 | public function is_registered_for_visualizeit($user_nick) { |
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| 216 | return $this->is_registered('visualizeit', $user_nick); |
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| 217 | } |
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| 218 | |||
| 219 | View Code Duplication | public function register_for_visualizeit($info) { |
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| 220 | return $this->db_lib->prepared_execute( |
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| 221 | $this->DB->contest, |
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| 222 | "INSERT INTO `visualizeit` |
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| 223 | (`nick`, `paper_link`) |
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| 224 | VALUES (?, ?)", |
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| 225 | "ss", |
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| 226 | [ |
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| 227 | $info['nick'], |
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| 228 | $info['paper_link'], |
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| 229 | ], |
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| 230 | false |
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| 231 | ); |
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| 232 | } |
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| 233 | |||
| 234 | /* |
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| 235 | |--------------------------------------------------------------------------- |
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| 236 | | Web Development Workshop |
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| 237 | |--------------------------------------------------------------------------- |
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| 238 | */ |
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| 239 | |||
| 240 | public function is_registered_for_webdev($user_nick) { |
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| 241 | return $this->is_registered('webdev_registrations', $user_nick); |
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| 242 | } |
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| 243 | |||
| 244 | View Code Duplication | public function register_for_webdev($info) { |
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| 245 | return $this->db_lib->prepared_execute( |
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| 246 | $this->DB->contest, |
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| 247 | "INSERT INTO `webdev_registrations` |
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| 248 | (`nick`, `contact_number`, `stream`, `year`, `experience`, `why_join`) |
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| 249 | VALUES (?, ?, ?, ?, ?, ?)", |
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| 250 | "ssssss", |
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| 251 | [ |
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| 252 | $info['nick'], |
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| 253 | $info['contact_number'], |
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| 254 | $info['stream'], |
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| 255 | $info['year'], |
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| 256 | $info['experience'], |
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| 257 | $info['why_join'], |
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| 258 | ], |
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| 259 | false |
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| 260 | ); |
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| 261 | } |
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| 262 | |||
| 263 | View Code Duplication | public function webdev_payment_success($payment_id, $nick, $status, $payment_data) { |
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| 264 | $stmt = $this->db_lib->prepared_execute( |
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| 265 | $this->DB->contest, |
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| 266 | "UPDATE `webdev_registrations` |
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| 267 | SET `payment_id` = ?, `payment_status` = ?, `payment_data` = ? |
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| 268 | WHERE `nick` = ?", |
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| 269 | "ssss", |
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| 270 | [$payment_id, $status, $payment_data, $nick] |
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| 271 | ); |
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| 272 | $this->webdev_dump_data($nick, 'callback', $payment_data); |
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| 273 | if (!$stmt) { |
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| 274 | return false; |
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| 275 | } |
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| 276 | else { |
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| 277 | return true; |
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| 278 | } |
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| 279 | } |
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| 280 | |||
| 281 | public function webdev_dump_data($nick, $type, $response) { |
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| 282 | $this->db_lib->prepared_execute( |
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| 283 | $this->DB->contest, |
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| 284 | "INSERT INTO `webdev_payment_dump` |
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| 285 | (`nick`, `type`, `response`) |
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| 286 | VALUES (?, ?, ?)", |
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| 287 | "sss", |
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| 288 | [$nick, $type, $response] |
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| 289 | ); |
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| 290 | } |
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| 291 | |||
| 292 | /* |
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| 293 | |--------------------------------------------------------------------------- |
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| 294 | | Riders on the storm |
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| 295 | |--------------------------------------------------------------------------- |
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| 296 | */ |
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| 297 | |||
| 298 | public function is_registered_for_riderofstorms($user_nick) { |
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| 299 | return $this->is_registered('riderofstorms_registrations', $user_nick); |
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| 300 | } |
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| 301 | |||
| 302 | View Code Duplication | public function register_for_riderofstorms($info) { |
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| 303 | /*$user_details = [ |
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| 304 | 'nick' => $info['nick'], |
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| 305 | 'contact_number' => $info['contact_number'], |
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| 306 | 'name' => $info['name'], |
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| 307 | 'leader' => $info['leader'], |
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| 308 | 'members' => $info['members'], |
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| 309 | 'link' => $info['link'], |
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| 310 | 'tell' => $info['tell'] |
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| 311 | ];*/ |
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| 312 | |||
| 313 | return $this->db_lib->prepared_execute( |
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| 314 | $this->DB->contest, |
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| 315 | "INSERT INTO `riderofstorms_registrations` |
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| 316 | (`nick`, `name`, `contact_number`, `leader`, `link`, `members`, `tell`) |
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| 317 | VALUES (?, ?, ?, ?, ?, ?, ?)", |
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| 318 | "sssssss", |
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| 319 | [ |
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| 320 | $info['nick'], |
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| 321 | $info['name'], |
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| 322 | $info['contact_number'], |
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| 323 | $info['leader'], |
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| 324 | $info['link'], |
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| 325 | $info['members'], |
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| 326 | $info['tell'] |
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| 327 | ], |
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| 328 | false |
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| 329 | ); |
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| 330 | } |
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| 331 | |||
| 332 | View Code Duplication | public function riderofstorms_payment_success($payment_id, $nick, $status, $payment_data) { |
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| 333 | $stmt = $this->db_lib->prepared_execute( |
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| 334 | $this->DB->contest, |
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| 335 | "UPDATE `riderofstorms_registrations` |
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| 336 | SET `payment_id` = ?, `payment_status` = ?, `payment_data` = ? |
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| 337 | WHERE `nick` = ?", |
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| 338 | "ssss", |
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| 339 | [$payment_id, $status, $payment_data, $nick] |
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| 340 | ); |
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| 341 | $this->riderofstorms_dump_data($nick, 'callback', $payment_data); |
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| 342 | if (!$stmt) { |
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| 343 | return false; |
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| 344 | } |
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| 345 | else { |
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| 346 | return true; |
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| 347 | } |
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| 348 | } |
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| 349 | |||
| 350 | public function riderofstorms_dump_data($nick, $type, $response) { |
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| 351 | $this->db_lib->prepared_execute( |
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| 352 | $this->DB->contest, |
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| 353 | "INSERT INTO `riderofstorms_payment_dump` |
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| 354 | (`nick`, `type`, `response`) |
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| 355 | VALUES (?, ?, ?)", |
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| 356 | "sss", |
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| 357 | [$nick, $type, $response] |
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| 358 | ); |
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| 359 | } |
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| 360 | |||
| 361 | |||
| 362 | /* |
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| 363 | |--------------------------------------------------------------------------- |
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| 364 | | ARVR Workshop |
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| 365 | |--------------------------------------------------------------------------- |
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| 366 | */ |
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| 367 | |||
| 368 | public function is_registered_for_arvr($user_nick) { |
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| 369 | return $this->is_registered('arvr_registrations', $user_nick); |
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| 370 | } |
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| 371 | |||
| 372 | View Code Duplication | public function register_for_arvr($info) { |
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| 373 | return $this->db_lib->prepared_execute( |
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| 374 | $this->DB->contest, |
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| 375 | "INSERT INTO `arvr_registrations` |
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| 376 | (`nick`, `contact_number`) |
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| 377 | VALUES (?, ?)", |
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| 378 | "ss", |
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| 379 | [ |
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| 380 | $info['nick'], |
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| 381 | $info['contact_number'], |
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| 382 | ], |
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| 383 | false |
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| 384 | ); |
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| 385 | } |
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| 386 | |||
| 387 | View Code Duplication | public function arvr_payment_success($payment_id, $nick, $status, $payment_data) { |
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| 388 | $stmt = $this->db_lib->prepared_execute( |
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| 389 | $this->DB->contest, |
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| 390 | "UPDATE `arvr_registrations` |
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| 391 | SET `payment_id` = ?, `payment_status` = ?, `payment_data` = ? |
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| 392 | WHERE `nick` = ?", |
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| 393 | "ssss", |
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| 394 | [$payment_id, $status, $payment_data, $nick] |
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| 395 | ); |
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| 396 | $this->arvr_dump_data($nick, 'callback', $payment_data); |
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| 397 | if (!$stmt) { |
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| 398 | return false; |
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| 399 | } |
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| 400 | else { |
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| 401 | return true; |
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| 402 | } |
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| 403 | } |
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| 404 | |||
| 405 | public function arvr_dump_data($nick, $type, $response) { |
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| 406 | $this->db_lib->prepared_execute( |
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| 407 | $this->DB->contest, |
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| 408 | "INSERT INTO `arvr_payment_dump` |
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| 409 | (`nick`, `type`, `response`) |
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| 410 | VALUES (?, ?, ?)", |
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| 411 | "sss", |
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| 412 | [$nick, $type, $response] |
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| 413 | ); |
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| 414 | } |
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| 415 | |||
| 416 | /* |
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| 417 | |--------------------------------------------------------------------------- |
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| 418 | | Artuino Workshop |
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| 419 | |--------------------------------------------------------------------------- |
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| 420 | */ |
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| 421 | |||
| 422 | private function get_artuino_team($team_id) { |
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| 423 | $stmt = $this->db_lib->prepared_execute( |
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| 424 | $this->DB->contest, |
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| 425 | "SELECT * |
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| 426 | FROM `artuino_teams` |
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| 427 | WHERE `id` = ?", |
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| 428 | "i", |
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| 429 | [$team_id] |
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| 430 | ); |
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| 431 | if (!$stmt) { |
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| 432 | return false; |
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| 433 | } |
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| 434 | $team_info = $stmt->get_result()->fetch_assoc(); |
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| 435 | if ($team_info) { |
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| 436 | return $team_info; |
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| 437 | } |
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| 438 | return false; |
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| 439 | } |
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| 440 | |||
| 441 | public function is_registered_for_artuino($user_nick) { |
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| 442 | $user_details = $this->is_registered('artuino_participants', $user_nick); |
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| 443 | if ($user_details) { |
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| 444 | $team_info = $this->get_artuino_team($user_details['team_id']); |
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| 445 | return $team_info; |
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| 446 | } |
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| 447 | return false; |
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| 448 | } |
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| 449 | |||
| 450 | View Code Duplication | public function check_artuino_team_exists($team_name) { |
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| 467 | } |
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| 468 | |||
| 469 | View Code Duplication | public function check_artuino_participant_exists($user_nick) { |
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| 486 | } |
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| 487 | |||
| 488 | View Code Duplication | public function register_for_artuino($team_name, $contact_number, $team) { |
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| 489 | $this->DB->contest->begin_transaction(MYSQLI_TRANS_START_READ_WRITE); |
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| 490 | $stmt = $this->db_lib->prepared_execute( |
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| 491 | $this->DB->contest, |
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| 492 | "INSERT INTO `artuino_teams` |
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| 493 | (`team_name`, `contact_number`) VALUES (?, ?)", |
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| 494 | "ss", |
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| 495 | [$team_name, $contact_number] |
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| 496 | ); |
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| 497 | if (!$stmt) { |
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| 498 | return false; |
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| 499 | } |
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| 500 | $team_id = $this->DB->contest->insert_id; |
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| 501 | foreach ($team as $nick) { |
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| 502 | $stmt = $this->db_lib->prepared_execute( |
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| 503 | $this->DB->contest, |
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| 504 | "INSERT INTO `artuino_participants` |
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| 505 | (`team_id`, `nick`) VALUES (?, ?)", |
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| 506 | "is", |
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| 507 | [$team_id, $nick] |
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| 508 | ); |
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| 509 | if (!$stmt) { |
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| 510 | return false; |
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| 511 | } |
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| 512 | } |
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| 513 | return $this->DB->contest->commit(); |
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| 514 | } |
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| 515 | |||
| 516 | View Code Duplication | public function artuino_payment_success($payment_id, $team_id, $status, $payment_data) { |
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| 531 | } |
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| 532 | } |
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| 533 | |||
| 534 | public function artuino_dump_data($team_id, $type, $response) { |
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| 535 | $this->db_lib->prepared_execute( |
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| 542 | ); |
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| 543 | } |
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| 544 | |||
| 545 | /* |
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| 546 | |--------------------------------------------------------------------------- |
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| 547 | | MUN |
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| 548 | |--------------------------------------------------------------------------- |
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| 549 | */ |
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| 550 | |||
| 551 | public function is_registered_for_mun($user_nick) { |
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| 552 | return $this->is_registered('mun_registrations', $user_nick); |
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| 553 | } |
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| 554 | |||
| 555 | public function register_for_mun($info) { |
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| 556 | return $this->db_lib->prepared_execute( |
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| 557 | $this->DB->contest, |
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| 558 | "INSERT INTO `mun_registrations` |
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| 559 | (`nick`, `contact_number`, `institute`, `team_size`, `needs_accomodation`) |
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| 560 | VALUES (?, ?, ?, ?, ?)", |
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| 561 | "sssii", |
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| 562 | [ |
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| 563 | $info['nick'], |
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| 564 | $info['contact_number'], |
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| 565 | $info['institute'], |
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| 570 | ); |
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| 571 | } |
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| 572 | |||
| 573 | public function mun_payment_success($payment_id, $nick, $status, $payment_data) { |
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| 574 | $stmt = $this->db_lib->prepared_execute( |
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| 575 | $this->DB->contest, |
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| 576 | "UPDATE `mun_registrations` |
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| 577 | SET `payment_id` = ?, `payment_status` = ?, `payment_data` = ? |
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| 578 | WHERE `nick` = ?", |
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| 579 | "ssss", |
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| 580 | [$payment_id, $status, $payment_data, $nick] |
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| 581 | ); |
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| 582 | $this->mun_dump_data($nick, 'callback', $payment_data); |
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| 583 | if (!$stmt) { |
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| 584 | return false; |
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| 585 | } |
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| 586 | else { |
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| 587 | return true; |
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| 588 | } |
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| 589 | } |
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| 590 | |||
| 591 | public function mun_dump_data($nick, $type, $response) { |
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| 599 | ); |
||
| 600 | } |
||
| 603 |
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.