tripal/tripal_project/tripal_project.install

<?php
/**
 * @file
 * Install the tripal project
 */

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

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

}

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

/**
 * Implementation of hook_install().
 *
 * @ingroup tripal_project
 */
function tripal_project_install() {

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

  tripal_project_add_cvs();
  tripal_project_add_cvterms();
}

/**
 * Implementation of hook_uninstall().
 *
 * @ingroup tripal_project
 */
function tripal_project_uninstall() {

}

/**
 * Implementation of hook_schema().
 *
 * @ingroup tripal_project
 */
function tripal_project_schema() {
  $schema['chado_project'] = array(
    'fields' => array(
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'vid' => array(
          'type' => 'int',
          'not null' => TRUE,
      ),
      'project_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
    ),
    'primary key' => array('nid', 'vid', 'project_id'),
  );
  return $schema;
}

/**
 * Add cvs pertaining to projects
 *
 * @ingroup tripal_project
 */
function tripal_project_add_cvs() {
  tripal_cv_add_cv('project_property', 'Contains properties for projects');

  // Add cv for relationship types
  tripal_cv_add_cv(
    'project_relationship_types',
    'Contains Types of relationships between projects.'
  );
}

/**
 * Add cvterms pertaining to projects
 *
 * @ingroup tripal_project
 */
function tripal_project_add_cvterms() {

  // Insert cvterm 'Project Description' into cvterm table of chado
  // database. This CV term is used to keep track of the project
  // description in the projectprop table.
  tripal_cv_add_cvterm(
    array(
      'name' => 'Project Description',
      'def'  => 'Description of a project'
    ),
    'project_property', 0, 1, 'tripal'
  );
}

/**
 * This is the required update for tripal_project when upgrading from Drupal core API 6.x.
 *
 * @ingroup tripal_project
 */
function tripal_project_update_7000() {
  
  // add the project_property CV
  try {
    $check = db_query("SELECT cv_id FROM chado.cv WHERE name = 'project_property'")->fetchObject();
    if (!$check->cv_id) {
      $sql = "INSERT INTO chado.cv (name, definition) VALUES (
        'project_property','Contains properties for projects.')
      ";
      db_query($sql);
    }
  }
  catch (\PDOException $e) {
    $error = $e->getMessage();
    throw new DrupalUpdateException('Failed to add project_property vocabulary: '. $error);
  }

  // For Tripal in Drupal 6 the project_description cvterm was stored in the
  // 'tripal' CV.  It should be stored in the new project_property CV that
  // is added by this module for Tripal 2.0 and Drupal 7.  So, we need to
  // reset the CV ID for that term and rename the term to 'Project Description'
  // We cannot use the Tripal API calls'because during upgrade the tripal_core
  // should also be disabled
  $sql = "
    UPDATE chado.cvterm CVT
    SET
      name = 'Project Description',
      cv_id = (SELECT cv_id FROM chado.cv WHERE name = 'project_property')
    WHERE
      name = 'project_description' AND
      cv_id = (SELECT cv_id FROM chado.cv WHERE name = 'tripal')
  ";
  try {
    db_query($sql);
  }
  catch (\PDOException $e) {
    $error = $e->getMessage();
    throw new DrupalUpdateException('Failed to change project_description property type to the project_property CV and update the name: '. $error);
  }
}