From 15f715908be62943fab5bd76402f298d52c7821c Mon Sep 17 00:00:00 2001
From: eileen <emcnaughton@wikimedia.org>
Date: Wed, 24 Jul 2019 16:52:03 +1200
Subject: [PATCH] Remove instances of CRM_Core_Error::fatal from first import
 form

---
 CRM/Contact/Import/Form/DataSource.php | 29 ++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/CRM/Contact/Import/Form/DataSource.php b/CRM/Contact/Import/Form/DataSource.php
index 2a7b1839e6..61ef6ae65d 100644
--- a/CRM/Contact/Import/Form/DataSource.php
+++ b/CRM/Contact/Import/Form/DataSource.php
@@ -46,6 +46,8 @@ class CRM_Contact_Import_Form_DataSource extends CRM_Core_Form {
 
   /**
    * Set variables up before form is built.
+   *
+   * @throws \CRM_Core_Exception
    */
   public function preProcess() {
 
@@ -58,7 +60,7 @@ class CRM_Contact_Import_Form_DataSource extends CRM_Core_Form {
     unset($errorScope);
 
     if ($daoTestPrivilege->_lastError) {
-      CRM_Core_Error::fatal(ts('Database Configuration Error: Insufficient permissions. Import requires that the CiviCRM database user has permission to create temporary tables. Contact your site administrator for assistance.'));
+      $this->invalidConfig(ts('Database Configuration Error: Insufficient permissions. Import requires that the CiviCRM database user has permission to create temporary tables. Contact your site administrator for assistance.'));
     }
 
     $results = [];
@@ -81,7 +83,7 @@ class CRM_Contact_Import_Form_DataSource extends CRM_Core_Form {
     }
     closedir($handler);
     if (!empty($results)) {
-      CRM_Core_Error::fatal(ts('<b>%1</b> file(s) in %2 directory are not writable. Listed file(s) might be used during the import to log the errors occurred during Import process. Contact your site administrator for assistance.', [
+      $this->invalidConfig(ts('<b>%1</b> file(s) in %2 directory are not writable. Listed file(s) might be used during the import to log the errors occurred during Import process. Contact your site administrator for assistance.', [
         1 => implode(', ', $results),
         2 => $config->uploadDir,
       ]));
@@ -121,7 +123,7 @@ class CRM_Contact_Import_Form_DataSource extends CRM_Core_Form {
       $this->assign('dataSourceFormTemplateFile', $templateFile);
     }
     elseif ($this->_dataSource) {
-      throw new \CRM_Core_Exception("Invalid data source");
+      $this->invalidConfig('Invalid data source');
     }
   }
 
@@ -269,10 +271,10 @@ class CRM_Contact_Import_Form_DataSource extends CRM_Core_Form {
     $dataSourceDir = $civicrm_root . DIRECTORY_SEPARATOR . 'CRM' . DIRECTORY_SEPARATOR . 'Import' . DIRECTORY_SEPARATOR . 'DataSource' . DIRECTORY_SEPARATOR;
     $dataSources = [];
     if (!is_dir($dataSourceDir)) {
-      CRM_Core_Error::fatal("Import DataSource directory $dataSourceDir does not exist");
+      $this->invalidConfig("Import DataSource directory $dataSourceDir does not exist");
     }
     if (!$dataSourceHandle = opendir($dataSourceDir)) {
-      CRM_Core_Error::fatal("Unable to access DataSource directory $dataSourceDir");
+      $this->invalidConfig("Unable to access DataSource directory $dataSourceDir");
     }
 
     while (($dataSourceFile = readdir($dataSourceHandle)) !== FALSE) {
@@ -363,7 +365,7 @@ class CRM_Contact_Import_Form_DataSource extends CRM_Core_Form {
       $parser->set($this);
     }
     else {
-      CRM_Core_Error::fatal("Invalid DataSource on form post. This shouldn't happen!");
+      $this->invalidConfig("Invalid DataSource on form post. This shouldn't happen!");
     }
   }
 
@@ -406,6 +408,21 @@ class CRM_Contact_Import_Form_DataSource extends CRM_Core_Form {
     return ['status' => $statusFieldName, 'pk' => $primaryKeyName];
   }
 
+  /**
+   * General function for handling invalid configuration.
+   *
+   * I was going to statusBounce them all but when I tested I was 'bouncing' to weird places
+   * whereas throwing an exception gave no behaviour change. So, I decided to centralise
+   * and we can 'flip the switch' later.
+   *
+   * @param $message
+   *
+   * @throws \CRM_Core_Exception
+   */
+  protected function invalidConfig($message) {
+    throw new CRM_Core_Exception($message);
+  }
+
   /**
    * Return a descriptive name for the page, used in wizard header
    *
-- 
2.25.1