Extract closed question check into own function

qa-include/ajax/answer.php

@@ -19,6 +19,7 @@
 	More about this license: http://www.question2answer.org/license.php
 */
 
+require_once QA_INCLUDE_DIR . 'app/posts.php';
 require_once QA_INCLUDE_DIR . 'app/users.php';
 require_once QA_INCLUDE_DIR . 'app/limits.php';
 require_once QA_INCLUDE_DIR . 'db/selects.php';
@@ -37,7 +38,7 @@ list($question, $childposts) = qa_db_select_with_pending(
 
 // Check if the question exists, is not closed, and whether the user has permission to do this
 
-if (@$question['basetype'] == 'Q' && !isset($question['closedbyid']) && (!qa_opt('do_close_on_select') || !isset($question['selchildid'])) && !qa_user_post_permit_error('permit_post_a', $question, QA_LIMIT_ANSWERS)) {
+if (@$question['basetype'] == 'Q' && !qa_post_is_closed($question) && !qa_user_post_permit_error('permit_post_a', $question, QA_LIMIT_ANSWERS)) {
 	require_once QA_INCLUDE_DIR . 'app/captcha.php';
 	require_once QA_INCLUDE_DIR . 'app/format.php';
 	require_once QA_INCLUDE_DIR . 'app/post-create.php';

qa-include/app/format.php

@@ -293,6 +293,7 @@ function qa_post_html_fields($post, $userid, $cookieid, $usershtml, $dummy, $opt
 	if (qa_to_override(__FUNCTION__)) { $args=func_get_args(); return qa_call_override(__FUNCTION__, $args); }
 
 	require_once QA_INCLUDE_DIR . 'app/updates.php';
+	require_once QA_INCLUDE_DIR . 'app/posts.php';
 
 	if (isset($options['blockwordspreg']))
 		require_once QA_INCLUDE_DIR . 'util/string.php';
@@ -320,8 +321,9 @@ function qa_post_html_fields($post, $userid, $cookieid, $usershtml, $dummy, $opt
 	$fields['tags'] = 'id="' . qa_html($elementid) . '"';
 
 	$fields['classes'] = ($isquestion && $favoritedview && @$post['userfavoriteq']) ? 'qa-q-favorited' : '';
-	if ($isquestion && (isset($post['closedbyid']) || (qa_opt('do_close_on_select') && isset($post['selchildid']))))
+	if ($isquestion && qa_post_is_closed($post)) {
 		$fields['classes'] = ltrim($fields['classes'] . ' qa-q-closed');
+	}
 
 	if ($microdata) {
 		if ($isanswer) {
@@ -621,7 +623,7 @@ function qa_post_html_fields($post, $userid, $cookieid, $usershtml, $dummy, $opt
 		( // otherwise check if one of these conditions is fulfilled...
 			(!isset($post['created'])) || // ... we didn't show the created time (should never happen in practice)
 			($post['hidden'] && ($post['updatetype'] == QA_UPDATE_VISIBLE)) || // ... the post was hidden as the last action
-			((isset($post['closedbyid']) || (qa_opt('do_close_on_select') && isset($post['selchildid']))) && $post['updatetype'] == QA_UPDATE_CLOSED) || // ... the post was closed as the last action
+			(qa_post_is_closed($post) && $post['updatetype'] == QA_UPDATE_CLOSED) || // ... the post was closed as the last action
 			(abs($post['updated'] - $post['created']) > 300) || // ... or over 5 minutes passed between create and update times
 			($post['lastuserid'] != $post['userid']) // ... or it was updated by a different user
 		)
@@ -641,7 +643,7 @@ function qa_post_html_fields($post, $userid, $cookieid, $usershtml, $dummy, $opt
 				break;
 
 			case QA_UPDATE_CLOSED:
-				$langstring = isset($post['closedbyid']) || (qa_opt('do_close_on_select') && isset($post['selchildid'])) ? 'main/closed' : 'main/reopened';
+				$langstring = qa_post_is_closed($post) ? 'main/closed' : 'main/reopened';
 				break;
 
 			case QA_UPDATE_TAGS:
@@ -842,7 +844,7 @@ function qa_other_to_q_html_fields($question, $userid, $cookieid, $usershtml, $d
 			break;
 
 		case 'Q-' . QA_UPDATE_CLOSED:
-			$isClosed = isset($question['closedbyid']) || (qa_opt('do_close_on_select') && isset($question['selchildid']));
+			$isClosed = qa_post_is_closed($question);
 			if (@$question['opersonal'])
 				$langstring = $isClosed ? 'misc/your_q_closed' : 'misc/your_q_reopened';
 			else

qa-include/app/posts.php

@@ -207,8 +207,8 @@ function qa_post_set_selchildid($questionid, $answerid, $byuserid = null)
 
 
 /**
- * Closed $questionid if $closed is true, otherwise reopen it. If $closed is true, pass either the $originalpostid of
- * the question that it is a duplicate of, or a $note to explain why it's closed. Pass the identify of the user in
+ * Close $questionid if $closed is true, otherwise reopen it. If $closed is true, pass either the $originalpostid of
+ * the question that it is a duplicate of, or a $note to explain why it's closed. Pass the identifier of the user in
  * $byuserid (or null for an anonymous change).
  * @param $questionid
  * @param bool $closed
@@ -234,6 +234,17 @@ function qa_post_set_closed($questionid, $closed = true, $originalpostid = null,
 		qa_question_close_clear($oldquestion, $oldclosepost, $byuserid, $byhandle, null);
 }
 
+/**
+ * Return whether the given question is closed. This check takes into account the do_close_on_select option which
+ * considers questions with a selected answer as closed.
+ * @param array $question
+ * @return bool
+ */
+function qa_post_is_closed(array $question)
+{
+	return isset($question['closedbyid']) || (isset($question['selchildid']) && qa_opt('do_close_on_select'));
+}
+
 
 /**
  * Hide $postid if $hidden is true, otherwise show the post. Pass the identify of the user making this change in

qa-include/app/q-list.php

@@ -62,6 +62,7 @@ function qa_q_list_page_content($questions, $pagesize, $start, $count, $sometitl
 
 	require_once QA_INCLUDE_DIR . 'app/format.php';
 	require_once QA_INCLUDE_DIR . 'app/updates.php';
+	require_once QA_INCLUDE_DIR . 'app/posts.php';
 
 	$userid = qa_get_logged_in_userid();
 
@@ -97,11 +98,10 @@ function qa_q_list_page_content($questions, $pagesize, $start, $count, $sometitl
 			$defaults['categorypathprefix'] = $categorypathprefix;
 		}
 
-		$closeOnSelect = qa_opt('do_close_on_select');
 		foreach ($questions as $question) {
 			$fields = qa_any_to_q_html_fields($question, $userid, qa_cookie_get(), $usershtml, null, qa_post_html_options($question, $defaults));
 
-			if (!empty($fields['raw']['closedbyid']) || (!empty($fields['raw']['selchildid']) && $closeOnSelect)) {
+			if (qa_post_is_closed($question)) {
 				$fields['closed'] = array(
 					'state' => qa_lang_html('main/closed'),
 				);

qa-include/pages/question-view.php

@@ -261,6 +261,8 @@ function qa_page_q_post_rules($post, $parentpost = null, $siblingposts = null, $
  */
 function qa_page_q_question_view($question, $parentquestion, $closepost, $usershtml, $formrequested)
 {
+	require_once QA_INCLUDE_DIR . 'app/posts.php';
+
 	$questionid = $question['postid'];
 	$userid = qa_get_logged_in_userid();
 	$cookieid = qa_cookie_get();
@@ -428,7 +430,7 @@ function qa_page_q_question_view($question, $parentquestion, $closepost, $usersh
 
 	// Information about the question that this question is a duplicate of (if appropriate)
 
-	if (isset($closepost) || (!empty($q_view['raw']['selchildid']) && qa_opt('do_close_on_select'))) {
+	if (isset($closepost) || qa_post_is_closed($question)) {
 		if ($closepost['basetype'] == 'Q') {
 			if ($closepost['hidden']) {
 				// don't show link for hidden questions

qa-include/qa-feed.php

@@ -280,6 +280,7 @@ switch ($feedtype) {
 
 require_once QA_INCLUDE_DIR . 'app/format.php';
 require_once QA_INCLUDE_DIR . 'app/updates.php';
+require_once QA_INCLUDE_DIR . 'app/posts.php';
 require_once QA_INCLUDE_DIR . 'util/string.php';
 
 if ($feedtype != 'search' && $feedtype != 'hot') // leave search results and hot questions sorted by relevance
@@ -337,7 +338,7 @@ foreach ($questions as $question) {
 				break;
 
 			case 'Q-' . QA_UPDATE_CLOSED:
-				$langstring = isset($question['closedbyid']) || ($question['selchildid'] && qa_opt('do_close_on_select')) ? 'misc/feed_closed_prefix' : 'misc/feed_reopened_prefix';
+				$langstring = qa_post_is_closed($question) ? 'misc/feed_closed_prefix' : 'misc/feed_reopened_prefix';
 				break;
 
 			case 'Q-' . QA_UPDATE_TAGS: