courses: forgot to commit search form...

web/modules/custom/asc_courses/src/Form/CourseSearchForm.php

+<?php
+
+namespace Drupal\asc_courses\Form;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\TempStore\PrivateTempStore;
+
+// // Other classes I thought I might use...
+// use Drupal\Core\Session\AccountInterface;
+// use Drupal\Core\Session\SessionManagerInterface;
+// use Drupal\user\PrivateTempStoreFactory;
+// use \Drupal\asc_courses\AscCoursesApi;
+// use \Drupal\asc_courses\AscCoursesImporter;
+
+/**
+ * Form for searching and displaying course records from `asc_courses_processed` table
+ */
+class CourseSearchForm extends FormBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'asc_courses_search';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    // Submit buttons
+    $form['actions'] = [
+      "#type" => "actions",
+      'submit' => [
+        '#type' => 'submit',
+        '#value' => "Search",
+        '#name' => "search_button",
+        '#button_type' => "primary",
+      ],
+      'clear' => [
+        '#type' => 'submit',
+        '#value' => "Clear",
+        '#name' => 'clear_button',
+      ]
+    ];
+
+
+    // Load saved form values, if any
+    $tempstore = \Drupal::service('tempstore.private');
+    $store = $tempstore->get('asc_courses_collection');
+
+    $subject = $store->get('search_subject');
+    $catalog_nbr = $store->get('search_catalog_nbr');
+    $title = $store->get('search_title');
+
+
+    $form['subject'] = array(
+      '#type' => 'textfield',
+      '#title' => $this->t('Subject Abbreviation'),
+      '#default_value' => $subject,
+      // '#description' => $this->t('desc'),
+      '#weight' => 1,
+    );
+
+    $form['catalog_nbr'] = array(
+      '#type' => 'textfield',
+      '#title' => $this->t('Catalog Number'),
+      '#default_value' => $catalog_nbr,
+      // '#description' => $this->t('desc'),
+      '#weight' => 20,
+    );
+
+    $form['title'] = array(
+      '#type' => 'textfield',
+      '#title' => $this->t('Title'),
+      '#default_value' => $title,
+      // '#description' => $this->t('desc'),
+      '#weight' => 30,
+    );
+
+    // Table of search results, if search terms were provided
+    if(!empty($subject) || !empty($catalog_nbr) || !empty($title)) {
+      // table header
+      $header_table = array(
+        'crse_id'           => t('Course ID'),
+        'subject'           => t('Subject Abbreviation'),
+        'catalog_nbr'       => t('Catalog Number'),
+        'course_title_long' => t('Course Title'),
+        // 'opt' => t('operations'),
+        // 'opt1' => t('operations'),
+      );
+  
+      // select records from db
+      $query = \Drupal::database()->select('asc_courses_processed', 'acp');
+      $query->fields('acp', ['crse_id','subject','catalog_nbr','course_title_long']);
+      
+      if(!empty($subject)) {
+        $query->condition('subject', '%'.$subject.'%', 'LIKE');
+      }
+
+      if(!empty($catalog_nbr)) {
+        $query->condition('catalog_nbr', '%'.$catalog_nbr.'%', 'LIKE');
+      }
+
+      if(!empty($title)) {
+        $query->condition('course_title_long', '%'.$title.'%', 'LIKE');
+      }
+
+      $query->orderBy('acp.subject');
+      $query->orderBy('acp.catalog_nbr');
+
+      $results = $query->execute()->fetchAll();
+        
+      // build table rows with results
+      $rows=array();
+      foreach($results as $data) {
+        // $delete = Url::fromUserInput('/admin/config/content/asc-courses/alacarte/delete/'.$data->id);
+        // $edit   = Url::fromUserInput('/admin/config/content/asc-courses/alacarte?num='.$data->id);
+  
+        $rows[] = array(
+          'crse_id' =>$data->crse_id,
+          'subject' => $data->subject,
+          'catalog_nbr' => $data->catalog_nbr,
+          'course_title_long' => $data->course_title_long,
+  
+          // \Drupal::l('Delete', $delete),
+          // \Drupal::l('Edit', $edit),
+        );
+      }
+
+      // add table to form
+      $form['table'] = [
+        '#type' => 'table',
+        '#header' => $header_table,
+        '#rows' => $rows,
+        '#weight' => 100,
+        '#empty' => t('No courses found'),
+      ]; 
+    }
+    else { // List of subject abbreviations
+      $table_header = array(
+        'subject_abbrev'  => t('Subject Abbreviations'),
+      );
+
+      $query = \Drupal::database()->select('asc_courses_processed', 'acp');
+      $query->fields('acp', ['dept_org','subject']);
+      $query->orderBy('acp.subject');
+      $query->distinct();
+  
+      $subject_results = $query->execute()->fetchAll();
+      foreach ($subject_results as $subject_result) {
+        $subject_table_rows[] = [
+          "subject_abbrev" => $subject_result->subject,
+        ];
+      }
+  
+      // add table to form
+      $form['table'] = [
+        '#type' => 'table',
+        '#header' => $table_header,
+        '#rows' => $subject_table_rows,
+        '#weight' => 100,
+      ];       
+    }
+    
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validateForm(array &$form, FormStateInterface $form_state) {
+    // dsm('Course search form was validated');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $tempstore = \Drupal::service('tempstore.private');
+    $store = $tempstore->get('asc_courses_collection');
+
+    $trigger = $form_state->getTriggeringElement();
+
+    if($trigger['#name'] == 'clear_button') {
+      // Clear the search fields
+      $store->delete('search_subject');
+      $store->delete('search_catalog_nbr');
+      $store->delete('search_title');
+    }
+    else {
+      // Save form inputs, for reuse when rebuilding the form
+      $store->set('search_subject', $form_state->getValue('subject'));
+      $store->set('search_catalog_nbr', $form_state->getValue('catalog_nbr'));
+      $store->set('search_title', $form_state->getValue('title'));
+    }
+
+
+    // return parent::submitForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEditableConfigNames() {
+    return [
+      'asc_courses.settings',
+    ];
+  }
+}
+