display batch export date on contribution forms

batchexportperm.php

@@ -1,7 +1,7 @@
 <?php
 
 require_once 'batchexportperm.civix.php';
-use CRM_Batchexportperm_ExtensionUtil as E;
+// use CRM_Batchexportperm_ExtensionUtil as E;
 
 /**
  * Implements hook_civicrm_config().
@@ -240,9 +240,27 @@ function _batchexportperm_civicrm_check_permission($contributionId, $errorType =
  * @param int $contributionId
  */
 function _batchexportperm_civicrm_allow_contribution_to_edit($contributionId) {
+
+  $exportDate = _getExportData($contributionId);
+
+  if (!$exportDate || CRM_Core_Permission::check('edit exported contributions')) {
+    return TRUE;
+  }
+  return FALSE;
+}
+
+/**
+ * Given a contribution ID, return its batch export date.
+ *
+ * @param int $contributionId
+ * @return string|null This contribution's batch export date if it exists.
+ *
+ * @link http://wiki.civicrm.org/confluence/display/CRMDOC/hook_civicrm_post
+ */
+function _getExportData($contributionId) {
   // See if the contribution has been exported.
   // Man, I wish API4 actually worked.
-  $query = "SELECT ceft.entity_id "
+  $query = "SELECT cb.modified_date "
   . "FROM civicrm_entity_batch ceb "
   . "JOIN civicrm_batch cb on ceb.batch_id = cb.id AND ceb.entity_table = 'civicrm_financial_trxn' "
   . "JOIN civicrm_entity_financial_trxn ceft ON ceft.entity_table = 'civicrm_contribution' AND ceb.entity_id = ceft.financial_trxn_id "
@@ -250,12 +268,8 @@ function _batchexportperm_civicrm_allow_contribution_to_edit($contributionId) {
   . "JOIN civicrm_option_group cog ON cov.option_group_id = cog.id AND cog.name = 'batch_status' "
   . "WHERE ceft.entity_id = %1";
   $params = [1 => [$contributionId, 'Integer']];
-  $dao = CRM_Core_DAO::executeQuery($query, $params);
-
-  if ($dao->N === 0 || CRM_Core_Permission::check('edit exported contributions')) {
-    return TRUE;
-  }
-  return FALSE;
+  $date = CRM_Core_DAO::singleValueQuery($query, $params);
+  return CRM_Utils_Date::customFormat($date);
 }
 
 /**
@@ -278,8 +292,13 @@ function batchexportperm_civicrm_post($op, $objectName, $objectId, &$objectRef)
  * @link http://wiki.civicrm.org/confluence/display/CRMDOC/hook_civicrm_buildForm
  */
 function batchexportperm_civicrm_buildForm($formName, $form) {
-  if (in_array($formName, ['CRM_Contribute_Form_ContributionView', 'CRM_Contribute_Form_Contribution']) &&
-  !empty($form->_id)) {
-    $temp = $form->_id;
-    $temp2 =  }
+  if ($formName == 'CRM_Contribute_Form_ContributionView' ||
+  $formName == 'CRM_Contribute_Form_Contribution' && !empty($form->_id)) {
+    // ContributionView doesn't pass the ID in the form object?  Really?
+    $contributionId = $form->_id ?? CRM_Utils_Request::retrieve('id', 'Positive');
+    $exportDate = _getExportData($contributionId);
+    $form->assign('exportDate', $exportDate);
+    CRM_Core_Region::instance('page-body')->add(['template' => "CRM/Batchexportperm/Form/BatchDetails.tpl"]);
+    CRM_Core_Resources::singleton()->addScriptFile('org.agbu.batchexportperm', 'js/exportDate.js');
+  }
 }

js/exportDate.js

@@ -0,0 +1,3 @@
+CRM.$(function ($) {
+  $('#export-details-accordion').insertBefore('.crm-submit-buttons:last');
+});

templates/CRM/Batchexportperm/Form/BatchDetails.tpl

@@ -0,0 +1,16 @@
+
+<div id="export-details-accordion" class="crm-accordion-wrapper">
+  <div class="crm-accordion-header">
+    {ts}Export Details{/ts}
+    </div><!-- /.crm-accordion-header -->
+    <div class="crm-accordion-body">
+      <table>
+        <tr class="export-details">
+          <td class="label">Export Date</td>
+          <td>{$exportDate}</td>
+        </tr>
+      </table>
+    </div><!-- /.crm-accordion-body -->
+  </div><!-- /.crm-accordion-wrapper -->
+
+