matching.install in Quiz 7.5

Matching questions install file.

File

question_types/matching/matching.install

<?php

/**
 * @file
 * Matching questions install file.
 */

/**
 * Implements hook_install().
 */
function matching_install() {

  // Add body field to matching node.
  quiz_question_add_body_field('matching');
  variable_set('node_options_matching', array(
    'status',
  ));
}

/**
 * Implements hook_schema().
 */
function matching_schema() {

  // Properties for a question nodes go in here:
  $schema['quiz_matching_properties'] = array(
    'fields' => array(
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'vid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'choice_penalty' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'primary key' => array(
      'nid',
      'vid',
    ),
  );
  $schema['quiz_matching_node'] = array(
    'fields' => array(
      'match_id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'vid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'question' => array(
        'type' => 'text',
        'not null' => TRUE,
      ),
      'answer' => array(
        'type' => 'text',
        'not null' => TRUE,
      ),
      'feedback' => array(
        'type' => 'text',
        'not null' => TRUE,
      ),
    ),
    'primary key' => array(
      'match_id',
    ),
    'indexes' => array(
      'question_id' => array(
        'nid',
        'vid',
      ),
    ),
  );

  // User answers go in here.
  $schema['quiz_matching_user_answers'] = array(
    'fields' => array(
      'answer_id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'match_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'result_answer_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'score' => array(
        'type' => 'int',
        'size' => 'tiny',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'answer' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
    ),
    'primary key' => array(
      'answer_id',
    ),
  );
  return $schema;
}

/**
 * Add a table to store properties for the matching questions.
 */
function matching_update_7400() {
  $schema = array(
    'fields' => array(
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'vid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'choice_penalty' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'primary key' => array(
      'nid',
      'vid',
    ),
  );
  db_create_table('quiz_matching_properties', $schema);

  // Insert default properties for all of the existing matching questions.
  $result = db_query("SELECT nid, vid FROM {node} WHERE type='matching'");
  foreach ($result as $question) {
    db_insert('quiz_matching_properties')
      ->fields(array(
      'nid' => $question->nid,
      'vid' => $question->vid,
      'choice_penalty' => 0,
    ))
      ->execute();
  }
}

/**
 * Make the matching schema look more like the rest of the questions.
 */
function matching_update_7501() {
  db_add_field('quiz_matching_user_answers', 'result_answer_id', array(
    'type' => 'int',
    'unsigned' => TRUE,
    'not null' => FALSE,
  ));
  $sql = "UPDATE {quiz_node_results_answers} ra\n    INNER JOIN {quiz_matching_user_answers} mua ON mua.result_id = ra.result_id\n    INNER JOIN {quiz_matching_node} mn ON mn.match_id = mua.match_id\n    SET mua.result_answer_id = ra.result_answer_id";
  db_query($sql);
  db_drop_field('quiz_matching_user_answers', 'result_id');
}

Functions

Name	Description
matching_install	Implements hook_install().
matching_schema	Implements hook_schema().
matching_update_7400	Add a table to store properties for the matching questions.
matching_update_7501	Make the matching schema look more like the rest of the questions.