<?php
/**
 * @file
 * Functions pertaining to the install/uninstall of this module
 */

/**
 * Implements hook_disable().
 * Disable default views when module is disabled
 *
 * @ingroup tripal_organism
 */
function tripal_organism_disable() {

  // Disable all default views provided by this module
  require_once("tripal_organism.views_default.inc");
  $views = tripal_organism_views_default_views();
  foreach (array_keys($views) as $view_name) {
    tripal_views_admin_disable_view($view_name,FALSE,array('suppress_error' => TRUE));
  }

}

/**
 * Implementation of hook_install().
 *
 * @ingroup tripal_organism
 */
function tripal_organism_install() {

  // create the module's data directory
  tripal_create_files_dir('tripal_organism');

  // create the directory where image files will be stored.  We create this
  tripal_create_files_dir('tripal_organism', '/images');

  // cvs & cvterms
  tripal_organism_add_cvs();
  tripal_organism_add_cvterms();
}

/**
 * Implementation of hook_schema().
 *
 * @ingroup tripal_organism
 */
function tripal_organism_schema() {
 $schema['chado_organism'] = array(
      'fields' => array(
         'vid' => array(
            'type' => 'int',
            'unsigned' => TRUE,
            'not null' => TRUE,
            'default' => 0
          ),
         'nid' => array(
            'type' => 'int',
            'unsigned' => TRUE,
            'not null' => TRUE,
            'default' => 0
          ),
         'organism_id' => array(
            'type' => 'int',
            'not null' => TRUE,
            'default' => 0
          )
      ),
      'indexes' => array(
         'organism_id' => array('organism_id')
      ),
      'unique keys' => array(
         'nid_vid' => array('nid', 'vid'),
         'vid' => array('vid')
      ),
      'primary key' => array('nid'),
  );
  return $schema;
}

/**
 * Implementation of hook_uninstall().
 *
 * @ingroup tripal_organism
 */
function tripal_organism_uninstall() {

}

/**
 * Implementation of hook_requirements().
 *
 * @ingroup tripal_organism
 */
function tripal_organism_requirements($phase) {
  $requirements = array();
  if ($phase == 'install') {
    // make sure chado is installed
    if (!$GLOBALS["chado_is_installed"]) {
      $requirements ['tripal_organism'] = array(
            'title' => "tripal_organism",
            'value' => "ERROR: Chado must be installed before this module can be enabled",
            'severity' => REQUIREMENT_ERROR,
      );
    }
  }
  return $requirements;
}

/**
 * Add cvterms related to organisms
 *
 * @ingroup tripal_organism
 */
function tripal_organism_add_cvs() {
  tripal_cv_add_cv('organism_property', 'Contains properties for organisms');
}

/**
 * Add cvterms pertaining to organisms
 *
 * @ingroup tripal_organism
 */
function tripal_organism_add_cvterms() {

}

/**
 * This is the required update for tripal_organism when upgrading from Drupal core API 6.x.
 *
 * @ingroup tripal_organism
 */
function tripal_organism_update_7000() {

  // add the new organism_property vocabulary
  // We cannot use the Tripal API calls in the 7000 update 
  // because during upgrade the tripal_core should also be disabled
  try {
    $check = db_query("SELECT cv_id FROM chado.cv WHERE name = 'organism_property'")->fetchObject();
    if (!$check->cv_id) {
      $sql = "INSERT INTO chado.cv (name, definition) VALUES (
        'organism_property',
        'Contains properties for organisms.')
      ";
      db_query($sql);
    }
  }
  catch (\PDOException $e) {
    $error = $e->getMessage();
    throw new DrupalUpdateException('Failed to add organism_property vocabulary: '. $error);
  }
}