Add first test, and fix the bugs it found!

Civi/Api4/Action/ContactCategory/GetFlows.php

@@ -19,22 +19,33 @@ class GetFlows extends \Civi\Api4\Generic\AbstractAction {
   /**
    * Start Date
    *
-   * @required
    * @var string
+   * @required
+   * @default NULL
    */
-  protected string $startDate;
+  protected $startDate = '';
 
   /**
    * End Date (optional)
    *
-   * @var string|NULL
+   * @var string|null
    * @default NULL
    */
   protected ?string $endDate = NULL;
 
+  private string $catChangesTableName;
+  private int $activityTypeId;
+
   public function _run(Result $result) {
     Civi::log()->debug('Begin', ['=start' => 'GetFlows', '=timed' => 1, 'from' => $this->startDate, 'to' => $this->endDate]);
 
+    $this->catChangesTableName = \Civi\Api4\CustomGroup::get(FALSE)
+      ->addWhere('name', '=', 'Category_changes')
+      ->execute()->single()['table_name'];
+    $this->activityTypeId = (int) \Civi\Api4\OptionValue::get(FALSE)
+      ->addWhere('name', '=', 'changed_contact_category')
+      ->addWhere('option_group_id:name', '=', 'activity_type')
+      ->execute()->single()['value'];
     // Check dates are valid and get a Ymd format of the day *following* the specified one.
     // This is so we can find activities *before* this date and thereby capture activities that
     // occurred *on* the given date.
@@ -79,13 +90,14 @@ class GetFlows extends \Civi\Api4\Generic\AbstractAction {
    */
   protected function windowFunctionsSupported() {
     $cache = \CRM_Utils_Cache::create(['type' => ['SqlGroup'], 'name' => 'contactcats']);
-    $supported = $cache->get('windowFunctionsSupported'); // Will return default if cached value expired.
-    $supported = null;
+    // Will return default if cached value expired.
+    $supported = $cache->get('windowFunctionsSupported');
+    $supported = NULL;
     if ($supported === NULL) {
       // Need to test for window functions.
       $supported = FALSE;
       // Prevent Civi handling possible execption
-      $handler = set_exception_handler(fn() => false);
+      $handler = set_exception_handler(fn() => FALSE);
       try {
         \CRM_Core_DAO::executeQuery("CREATE TEMPORARY TABLE contactcats_window_check (i int unsigned not null, x int unsigned not null)");
         \CRM_Core_DAO::executeQuery("INSERT INTO contactcats_window_check VALUES (1, 1), (2, 1), (3, 2);");
@@ -114,9 +126,8 @@ class GetFlows extends \Civi\Api4\Generic\AbstractAction {
       FROM civicrm_activity a
       INNER JOIN civicrm_activity_contact ac 
         ON a.id = ac.activity_id AND ac.record_type_id = 3
-      INNER JOIN civicrm_contact_category cc 
-        ON cc.id = ac.contact_id
-      WHERE a.activity_type_id = 89
+      /*INNER JOIN civicrm_contact_category cc ON cc.id = ac.contact_id */
+      WHERE a.activity_type_id = $this->activityTypeId
     ),
 
     /* startActivity is the latest activity before the window's start date */
@@ -141,15 +152,15 @@ class GetFlows extends \Civi\Api4\Generic\AbstractAction {
         WHERE a2.activity_date_time BETWEEN %1 AND %2
         )
 
-    /* join startActivity and 2 to count changes between each shift */
-    SELECT cat1.new_category_id from_category_id, cat2.new_category_id to_category_id, count(*) contact_count
+    /* join startActivity and endActivity to count changes between each shift */
+    SELECT startCat.new_category_id from_category_id, endCat.new_category_id to_category_id, count(*) contact_count
     FROM endActivity 
-    INNER JOIN civicrm_value_category_chan_41 cat1
-      ON endActivity.activity_id = cat1.entity_id
+    INNER JOIN $this->catChangesTableName endCat
+      ON endActivity.activity_id = endCat.entity_id
     LEFT JOIN (
       startActivity
-      INNER JOIN civicrm_value_category_chan_41 cat2
-        ON startActivity.activity_id = cat2.entity_id
+      INNER JOIN $this->catChangesTableName startCat
+        ON startActivity.activity_id = startCat.entity_id
         )
       ON startActivity.contact_id = endActivity.contact_id AND startActivity.rn = 1
     WHERE endActivity.rn = 1
@@ -157,6 +168,8 @@ class GetFlows extends \Civi\Api4\Generic\AbstractAction {
     ;
     SQL;
 
+    // print "\n$sql\n %1 $startDateYmd, %2 $endDateYmd\n";
+
     if (!$endDateYmd) {
       $endDateYmd = date('Ymd', strtotime('tomorrow'));
     }
@@ -168,14 +181,18 @@ class GetFlows extends \Civi\Api4\Generic\AbstractAction {
     // Don't use exchange array so as not to gazump non-array data(?)
     foreach ($data as $row) {
       $result[] = [
-        'from_category_id' => (int) $row['new_category_id'],
+        'from_category_id' => (int) $row['from_category_id'],
         'to_category_id' => (int) $row['to_category_id'],
         'contact_count' => (int) $row['contact_count'],
       ];
     }
   }
 
-
-
+  protected function dump(string $msg, string $sql) {
+    print "\n$msg ===============================\n$sql\n";
+    $data = CRM_Core_DAO::executeQuery($sql)->fetchAll();
+    print_r($data);
+    print "\n ===============================\n";
   }
 
+}

Civi/Api4/ContactCategory.php

@@ -1,6 +1,7 @@
 <?php
 namespace Civi\Api4;
 
+use Civi\Api4\Action\ContactCategory\GetFlows;
 use Civi\Api4\Action\ContactCategory\Sync;
 
 /**
@@ -19,4 +20,11 @@ class ContactCategory extends Generic\DAOEntity {
     return new Sync('ContactCategory', 'sync');
   }
 
+  /**
+   *
+   */
+  public static function getFlows(): GetFlows {
+    return new GetFlows('ContactCategory', 'getFlows');
+  }
+
 }

tests/phpunit/Civi/Api4/Action/ContactCategory/GetFlowsTest.php

@@ -0,0 +1,137 @@
+<?php
+namespace Civi\Api4\Action\ContactCategory;
+
+use Civi\Api4\Contact;
+use Civi\Api4\Activity;
+use Civi\Api4\ContactCategory;
+use Civi\Api4\ContactCategoryDefinition;
+use Civi\Api4\Group;
+use CRM_Contactcats_ExtensionUtil as E;
+use Civi\Test\CiviEnvBuilder;
+use Civi\Test\HeadlessInterface;
+use Civi\Test\HookInterface;
+use Civi\Test\TransactionalInterface;
+
+/**
+ * Check our stats are predicatable.
+ *
+ * Tips:
+ *  - With HookInterface, you may implement CiviCRM hooks directly in the test class.
+ *    Simply create corresponding functions (e.g. "hook_civicrm_post(...)" or similar).
+ *  - With TransactionalInterface, any data changes made by setUp() or test****() functions will
+ *    rollback automatically -- as long as you don't manipulate schema or truncate tables.
+ *    If this test needs to manipulate schema or truncate tables, then either:
+ *       a. Do all that using setupHeadless() and Civi\Test.
+ *       b. Disable TransactionalInterface, and handle all setup/teardown yourself.
+ *
+ * @method void assertNotEmpty()
+ * @method void assertEquals()
+ * @method void assertMatchesRegularExpression()
+ * @group headless
+ */
+class GetFlowsTest extends \PHPUnit\Framework\TestCase implements HeadlessInterface, HookInterface, TransactionalInterface {
+
+  /**
+   * Setup used when HeadlessInterface is implemented.
+   *
+   * Civi\Test has many helpers, like install(), uninstall(), sql(), and sqlFile().
+   *
+   * @link https://github.com/civicrm/org.civicrm.testapalooza/blob/master/civi-test.md
+   *
+   * @return \Civi\Test\CiviEnvBuilder
+   *
+   * @throws \CRM_Extension_Exception_ParseException
+   */
+  public function setUpHeadless(): CiviEnvBuilder {
+    return \Civi\Test::headless()
+      ->installMe(__DIR__)
+      ->apply();
+  }
+
+  public function setUp():void {
+    parent::setUp();
+  }
+
+  public function tearDown():void {
+    parent::tearDown();
+  }
+
+  /**
+   * Example: Test that a version is returned.
+   */
+  // public function testWellFormedVersion():void {
+  //   $this->assertNotEmpty(E::SHORT_NAME);
+  //   $this->assertMatchesRegularExpression('/^([0-9\.]|alpha|beta)*$/', \CRM_Utils_System::version());
+
+  /**
+   * }
+   */
+  public function testGetFlows():void {
+    // Create groups for our cats.
+    [$amazingGroupID, $mehGroupID] = Group::save(FALSE)
+      ->setRecords([
+        ['name' => 'amazing', 'frontend_title' => 'amazing'],
+        ['name' => 'meh', 'frontend_title' => 'meh'],
+      ])->execute()->column('id');
+
+    // Create cats.
+    [$amazingCatID, $mehCatID] = ContactCategoryDefinition::save(FALSE)
+      ->setRecords([
+        [
+          'label' => 'Amazing',
+          'search_type:name' => 'group',
+          'search_data' => ['group_id' => $amazingGroupID],
+          'presentation_order' => 1,
+          'execution_order' => 1,
+          'color' => '#ff0000',
+        ],
+        [
+          'label' => 'Meh',
+          'search_type:name' => 'group',
+          'search_data' => ['group_id' => $mehGroupID],
+          'presentation_order' => 2,
+          'execution_order' => 2,
+          'color' => '#fff000',
+        ],
+      ])
+      ->execute()->column('id');
+
+    // Create a contact
+    $ctID = Contact::create(FALSE)
+      ->setValues([
+        'contact_type' => 'Individual',
+        'display_name' => 'Wilma',
+      ])->execute()->first()['id'];
+    // print "xxxxx created ct $ctID\n";
+
+    // Create two activities.
+    $activityIDs = Activity::save(FALSE)
+      ->setDefaults([
+        'activity_type_id:name' => 'changed_contact_category',
+        'target_contact_id' => $ctID,
+        'source_contact_id' => $ctID,
+      ])
+      ->setRecords([
+        [
+          'activity_date_time' => '2025-01-01',
+          'Category_changes.new_category_id' => $amazingCatID,
+        ],
+        [
+          'activity_date_time' => '2025-02-01',
+          'Category_changes.new_category_id' => $mehCatID,
+        ],
+      ])->execute()->column('id');
+
+    // $acts = Activity::get(FALSE)->addWhere('id', 'IN', $activityIDs)->execute()->getArrayCopy(); print_r($acts);
+
+    // FIXME: this is returning backwards.
+    $flows = ContactCategory::getFlows()
+      ->setStartDate('2025-01-03')
+      ->execute()->getArrayCopy();
+    // print_r($flows);
+    $this->assertEquals([
+      ['from_category_id' => $amazingCatID, 'to_category_id' => $mehCatID, 'contact_count' => 1],
+    ], $flows);
+  }
+
+}