Use migration to import cap org codes

modules/stanford_person/modules/stanford_person_importer/migrations/cap_orgs.yml

@@ -0,0 +1,79 @@
+id: cap_orgs
+migration_tags: {}
+label: 'CAP Organizations'
+deriver: Drupal\stanford_person_importer\Plugin\migrate\OrgCodeDeriver
+migration_group: su_stanford_person
+source:
+  authentication:
+    plugin: oauth2
+    base_uri: 'https://authz.stanford.edu'
+    token_url: /oauth/token
+    grant_type: client_credentials
+    client_id: '[client_id]'
+    client_secret: '[client_secret]'
+  urls:
+    - https://api.stanford.edu/cap/v1/orgs/AA00
+  track_changes: true
+  plugin: url
+  data_fetcher_plugin: http
+  data_parser_plugin: json
+  headers:
+    Accept: 'application/json; charset=utf-8'
+    Content-Type: application/json
+  orphan_action: delete
+  ids:
+    alias:
+      type: string
+  item_selector: children
+  constants:
+    vid: cap_org_codes
+    code_beginning: '('
+    code_ending: ')'
+  fields:
+    -
+      name: alias
+      label: alias
+      selector: alias
+    -
+      name: children
+      label: children
+      selector: children
+    -
+      name: name
+      label: name
+      selector: name
+    -
+      name: orgCodes
+      label: orgCodes
+      selector: orgCodes
+    -
+      name: type
+      label: type
+      selector: type
+process:
+  codes:
+    -
+      plugin: skip_on_empty
+      method: process
+      source: orgCodes
+    -
+      plugin: concat
+      source: orgCodes
+      delimiter: ', '
+  code_title:
+    plugin: concat
+    source:
+      - constants/code_beginning
+      - '@codes'
+      - constants/code_ending
+  name:
+    plugin: concat
+    source:
+      - name
+      - '@code_title'
+    delimiter: ' '
+  vid: constants/vid
+  su_cap_org_code: orgCodes
+destination:
+  plugin: 'entity:taxonomy_term'
+migration_dependencies: null

modules/stanford_person/modules/stanford_person_importer/src/Plugin/migrate/OrgCodeDeriver.php

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+<?php
+
+namespace Drupal\stanford_person_importer\Plugin\migrate;
+
+use Drupal\Component\Plugin\Derivative\DeriverBase;
+use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\migrate\Plugin\MigrationDeriverTrait;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+class OrgCodeDeriver extends DeriverBase implements ContainerDeriverInterface {
+
+  use MigrationDeriverTrait;
+  use StringTranslationTrait;
+
+  public static function create(ContainerInterface $container, $base_plugin_id) {
+    return new static(
+      $base_plugin_id
+    );
+  }
+
+  public function __construct(protected $basePluginId) {}
+
+  public function getDerivativeDefinitions($base_plugin_definition) {
+    $config_pages = \Drupal::service('config_pages.loader');
+    $client_id = $config_pages->getValue('stanford_person_importer', 'su_person_cap_username', 0, 'value') ?? '';;
+    $client_secret = $config_pages->getValue('stanford_person_importer', 'su_person_cap_password', 0, 'value') ?? '';;
+    if (!$client_id || !$client_secret) {
+      return $this->derivatives;
+    }
+
+    $base_plugin_definition['source']['authentication']['client_id'] = $client_id;
+    $base_plugin_definition['source']['authentication']['client_secret'] = $client_secret;
+
+    /** @var \Drupal\migrate\Plugin\Migration $migration */
+    $migration = \Drupal::service('plugin.manager.migration')
+      ->createStubMigration($base_plugin_definition);
+    $source = $migration->getSourcePlugin();
+    $all_data = [];
+    $source->rewind();
+    while ($source->valid()) {
+      /** @var \Drupal\migrate\Row $row */
+      $row = $source->current();
+      $all_data[] = $row->getSource();
+      $source->next();
+    }
+    $this->derivatives['base'] = $base_plugin_definition;
+    $this->createDerivatives($all_data, $base_plugin_definition, 'children', 'base');
+    return $this->derivatives;
+  }
+
+  protected function createDerivatives($data, $base_definition, $path, $parent_code = NULL) {
+    foreach ($data as $key => $item_data) {
+      if (empty($item_data['children'])) {
+        continue;
+      }
+
+      $plugin = $base_definition;
+      asort($item_data['orgCodes']);
+      $code = reset($item_data['orgCodes']);
+
+      $plugin['source']['urls'][0] = "https://api.stanford.edu/cap/v1/orgs/$code";
+      $plugin['process']['parent/target_id'] = [
+        [
+          'plugin' => 'default_value',
+          'default_value' => $item_data['alias'],
+        ],
+        [
+          'plugin' => 'migration_lookup',
+          'migration' => "cap_orgs:$parent_code",
+        ],
+      ];
+
+      if ($parent_code) {
+        $plugin['migration_dependencies']['required'] = [
+          "cap_orgs:$parent_code",
+        ];
+      }
+
+      $this->derivatives[strtolower($code)] = $plugin;
+      $this->createDerivatives($item_data['children'], $base_definition, "$path/$key/children", strtolower($code));
+    }
+  }
+
+}