farmOS/farm_crop.module

<?php
/**
 * @file
 * Code for the Farm Crop feature.
 */

include_once 'farm_crop.features.inc';

/**
 * Implements hook_farm_access_perms($role).
 */
function farm_crop_farm_access_perms($role) {

  // Assemble a list of entity types provided by this module.
  $types = array(
    'farm_asset' => array(
      'planting',
    ),
    'log' => array(
      'farm_harvest',
      'farm_input',
      'farm_seeding',
      'farm_transplanting',
    ),
    'taxonomy' => array(
      'farm_crops',
      'farm_crop_families',
    ),
  );

  // Grant different CRUD permissions based on the role.
  $perms = array();
  switch ($role) {

    // Farm Manager and Worker
    case 'Farm Manager':
    case 'Farm Worker':
      $perms = farm_access_entity_perms($types);
      break;

    // Farm Viewer
    case 'Farm Viewer':
      $perms = farm_access_entity_perms($types, array('view'));
      break;
  }
  return $perms;
}

/**
 * Implements hook_farm_area_type_info().
 */
function farm_crop_farm_area_type_info() {
  return array(
    'greenhouse' => array(
      'label' => t('Greenhouse'),
      'style' => 'farm_map_style_green',
      'weight' => 0,
    ),
    'bed' => array(
      'label' => t('Bed'),
      'style' => 'farm_map_style_green',
      'weight' => -5,
    ),
  );
}

/**
 * Implements hook_farm_admin_actions().
 */
function farm_crop_farm_admin_actions() {

  // Define actions.
  $actions = array(
    'crop' => array(
      'title' => t('Add a crop'),
      'href' => 'admin/structure/taxonomy/farm_crops/add',
      'paths' => array(
        'farm/assets/plantings/crops',
      ),
    ),
    'harvest' => array(
      'title' => t('Add a harvest'),
      'href' => 'log/add/farm_harvest',
      'assets' => array(
        'planting',
      ),
      'views' => array(
        'farm_log_harvest',
      ),
    ),
    'input' => array(
      'title' => t('Add an input'),
      'href' => 'log/add/farm_input',
      'assets' => array(
        'planting',
      ),
      'views' => array(
        'farm_log_input',
      ),
      'paths' => array(
        'taxonomy/term/%',
      ),
    ),
    'planting' => array(
      'title' => t('Add a planting'),
      'href' => 'farm/asset/add/planting',
      'views' => array(
        'farm_plantings',
      ),
    ),
    'seeding' => array(
      'title' => t('Add a seeding'),
      'href' => 'log/add/farm_seeding',
      'assets' => array(
        'planting',
      ),
      'views' => array(
        'farm_log_seeding',
      ),
    ),
    'transplanting' => array(
      'title' => t('Add a transplanting'),
      'href' => 'log/add/farm_transplanting',
      'assets' => array(
        'planting',
      ),
      'views' => array(
        'farm_log_transplanting',
      ),
    ),
  );
  return $actions;
}

/**
 * Implements hook_farm_asset_breadcrumb().
 */
function farm_crop_farm_asset_breadcrumb($farm_asset) {

  // If the asset is a planting, add a link to the plantings list.
  $breadcrumb = array();
  if ($farm_asset->type == 'planting') {
    $breadcrumb[] = l(t('Assets'), 'farm/assets');
    $breadcrumb[] = l(t('Plantings'), 'farm/assets/plantings');
  }
  return $breadcrumb;
}

/**
 * Implements hook_farm_taxonomy_breadcrumb().
 */
function farm_crop_farm_taxonomy_breadcrumb($term) {
  $breadcrumb = array();

  // Switch through available vocabularies.
  switch ($term->vocabulary_machine_name) {

    // If the term is in farm_crops...
    case 'farm_crops':
      $breadcrumb[] = l(t('Assets'), 'farm/assets');
      $breadcrumb[] = l(t('Plantings'), 'farm/assets/plantings');
      $breadcrumb[] = l(t('Crops'), 'farm/assets/plantings/crops');
      break;

    // If the term is in farm_crop_families...
    case 'farm_crop_families':
      $breadcrumb[] = l(t('Assets'), 'farm/assets');
      $breadcrumb[] = l(t('Plantings'), 'farm/assets/plantings');
      $breadcrumb[] = t('Crop Families');
      break;

  }

  return $breadcrumb;
}

/**
 * Implements hook_farm_asset_view_views().
 */
function farm_crop_farm_asset_view_views($farm_asset) {

  // If the entity is not a planting, bail.
  if ($farm_asset->type != 'planting') {
    return array();
  }

  // Return a list of Views to include on Plantings.
  return array(
    'farm_log_seeding',
    'farm_log_transplanting',
    'farm_log_input',
    'farm_log_harvest',
    'farm_log_activity',
    'farm_log_observation',
    'farm_log_movement',
  );
}

/**
 * Implements hook_farm_taxonomy_term_view_views().
 */
function farm_crop_farm_taxonomy_term_view_views($term) {

  // Start a list of View names.
  $views = array();

  // Switch logic depending on the vocabulary.
  switch ($term->vocabulary_machine_name) {

    // Farm areas:
    case 'farm_areas':
      $views[] = array(
        'name' => 'farm_plantings',
        'arg' => 1,
        'weight' => -20,
      );
      $views[] = array(
        'name' => 'farm_log_input',
        'arg' => 2,
      );
      break;

    // Farm crops.
    case 'farm_crops':
      $views[] = array(
        'name' => 'farm_plantings',
        'arg' => 2,
      );
      break;

    // Farm crop family.
    case 'farm_crop_families':
      $views[] = 'farm_crops';
      break;
  }

  return $views;
}

/**
 * Implements hook_form_alter().
 */
function farm_crop_form_alter(&$form, &$form_state, $form_id) {

  // If this is a log form with a planting reference field...
  if ($form_id == 'log_form' && !empty($form['field_farm_planting'])) {

    // Alter the form with the farm_log helper function.
    farm_log_form_prepopulate_asset($form, 'field_farm_planting');
  }
}

/**
 * Implements hook_farm_area_links().
 */
function farm_crop_farm_area_links($id) {
  $links = array();

  // Add link to inputs.
  $links[] = array(
    'title' => t('Inputs'),
    'href' => 'taxonomy/term/' . $id,
    'options' => array(
      'fragment' => 'Inputs',
    ),
    'weight' => 10,
  );

  // Add link to plantings.
  $links[] = array(
    'title' => t('Plantings'),
    'href' => 'taxonomy/term/' . $id,
    'options' => array(
      'fragment' => 'Plantings',
    ),
  );

  return $links;
}

/**
 * Implements hook_views_post_render().
 */
function farm_crop_views_post_render(&$view, &$output, &$cache) {

  // If this is the Farm Plantings page...
  if ($view->name == 'farm_plantings' && $view->current_display == 'page') {

    // If the View result is not empty...
    if (!empty($view->result)) {

      // Add the Plantings asset map to the top of the View.
      $map = \Drupal\openlayers\Openlayers::load('Map', 'farm_assets_planting');
      $map_build = $map->build();
      $output = drupal_render($map_build) . $output;
    }
  }
}