Update Slowvote to use sensible string constants for response visibility

Summary: Ref T13682. Migrate and update Slowvote to use API-friendly string constants for response visibility, not opaque integers.

Test Plan: Created and edited slowvotes, changing response visibility.

Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam

Maniphest Tasks: T13682

Differential Revision: https://secure.phabricator.com/D21844

resources/sql/autopatches/20220525.slowvote.03.response-type.sql

@@ -0,0 +1,3 @@
+ALTER TABLE {$NAMESPACE}_slowvote.slowvote_poll
+  CHANGE responseVisibility
+    responseVisibility VARCHAR(32) NOT NULL COLLATE {$COLLATE_TEXT};

resources/sql/autopatches/20220525.slowvote.04.response-value.sql

@@ -0,0 +1,8 @@
+UPDATE {$NAMESPACE}_slowvote.slowvote_poll
+  SET responseVisibility = 'visible' WHERE responseVisibility = '0';
+
+UPDATE {$NAMESPACE}_slowvote.slowvote_poll
+  SET responseVisibility = 'voters' WHERE responseVisibility = '1';
+
+UPDATE {$NAMESPACE}_slowvote.slowvote_poll
+  SET responseVisibility = 'owner' WHERE responseVisibility = '2';

resources/sql/autopatches/20220525.slowvote.05.response-xactions.sql

@@ -0,0 +1,23 @@
+UPDATE {$NAMESPACE}_slowvote.slowvote_transaction
+  SET oldValue = '"visible"' WHERE
+    transactionType = 'vote:responses' AND oldValue IN ('0', '"0"');
+
+UPDATE {$NAMESPACE}_slowvote.slowvote_transaction
+  SET newValue = '"visible"' WHERE
+    transactionType = 'vote:responses' AND newValue IN ('0', '"0"');
+
+UPDATE {$NAMESPACE}_slowvote.slowvote_transaction
+  SET oldValue = '"voters"' WHERE
+    transactionType = 'vote:responses' AND oldValue IN ('1', '"1"');
+
+UPDATE {$NAMESPACE}_slowvote.slowvote_transaction
+  SET newValue = '"voters"' WHERE
+    transactionType = 'vote:responses' AND newValue IN ('1', '"1"');
+
+UPDATE {$NAMESPACE}_slowvote.slowvote_transaction
+  SET oldValue = '"owner"' WHERE
+    transactionType = 'vote:responses' AND oldValue IN ('2', '"2"');
+
+UPDATE {$NAMESPACE}_slowvote.slowvote_transaction
+  SET newValue = '"owner"' WHERE
+    transactionType = 'vote:responses' AND newValue IN ('2', '"2"');

src/applications/slowvote/constants/SlowvotePollResponseVisibility.php

@@ -3,9 +3,9 @@
 final class SlowvotePollResponseVisibility
   extends Phobject {
 
-  const RESPONSES_VISIBLE = 0;
-  const RESPONSES_VOTERS = 1;
-  const RESPONSES_OWNER = 2;
+  const RESPONSES_VISIBLE = 'visible';
+  const RESPONSES_VOTERS = 'voters';
+  const RESPONSES_OWNER = 'owner';
 
   private $key;
 
@@ -51,7 +51,7 @@ final class SlowvotePollResponseVisibility
   }
 
   private function getProperty($key, $default = null) {
-    $spec = idx(self::getMap(), $this->getKey());
+    $spec = idx(self::getMap(), $this->getKey(), array());
     return idx($spec, $key, $default);
   }
 

src/applications/slowvote/controller/PhabricatorSlowvoteEditController.php

@@ -199,6 +199,17 @@ final class PhabricatorSlowvoteEditController
     $response_type_map = SlowvotePollResponseVisibility::getAll();
     $response_type_options = mpull($response_type_map, 'getNameForEdit');
 
+    $visibility = $poll->getResponseVisibility();
+    if (!isset($response_type_options[$visibility])) {
+      $visibility_object =
+        SlowvotePollResponseVisibility::newResponseVisibilityObject(
+          $visibility);
+
+      $response_type_options = array(
+        $visibility => $visibility_object->getNameForEdit(),
+      ) + $response_type_options;
+    }
+
     if ($is_new) {
       $form->appendChild(
         id(new AphrontFormSelectControl())

src/applications/slowvote/storage/PhabricatorSlowvotePoll.php

@@ -53,7 +53,7 @@ final class PhabricatorSlowvotePoll
       self::CONFIG_AUX_PHID => true,
       self::CONFIG_COLUMN_SCHEMA => array(
         'question' => 'text255',
-        'responseVisibility' => 'uint32',
+        'responseVisibility' => 'text32',
         'shuffle' => 'bool',
         'method' => 'uint32',
         'description' => 'text',

src/applications/slowvote/view/SlowvoteEmbedView.php

@@ -75,12 +75,12 @@ final class SlowvoteEmbedView extends AphrontView {
       $description,
     );
 
+    $quip = pht('Voting improves cardiovascular endurance.');
+
     $vis = $poll->getResponseVisibility();
     if ($this->areResultsVisible()) {
       if ($vis == SlowvotePollResponseVisibility::RESPONSES_OWNER) {
         $quip = pht('Only you can see the results.');
-      } else {
-        $quip = pht('Voting improves cardiovascular endurance.');
       }
     } else if ($vis == SlowvotePollResponseVisibility::RESPONSES_VOTERS) {
       $quip = pht('You must vote to see the results.');

src/applications/slowvote/xaction/PhabricatorSlowvoteResponsesTransaction.php

@@ -6,7 +6,11 @@ final class PhabricatorSlowvoteResponsesTransaction
   const TRANSACTIONTYPE = 'vote:responses';
 
   public function generateOldValue($object) {
-    return $object->getResponseVisibility();
+    return (string)$object->getResponseVisibility();
+  }
+
+  public function generateNewValue($object, $value) {
+    return (string)$value;
   }
 
   public function applyInternalEffects($object, $value) {