Initial commit

inc/post-title-required.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * Require a non-empty title when saving a post from the admin.
+ *
+ * Uses the same transient / redirect / restore mechanism as pods-save-error-handler.php
+ * so content is never lost: the post saves (with empty title), the status is reverted
+ * to draft if needed, the editor reopens with all fields restored and an error notice.
+ */
+add_action( 'save_post', 'thalim_check_post_title_required', 5 );
+
+function thalim_check_post_title_required( $post_id ) {
+    if ( wp_is_post_autosave( $post_id ) || wp_is_post_revision( $post_id ) ) {
+        return;
+    }
+    if ( ! is_admin() ) {
+        return;
+    }
+    if ( ( $_POST['action'] ?? '' ) !== 'editpost' ) {
+        return;
+    }
+
+    $post = get_post( $post_id );
+    if ( ! $post || ! post_type_supports( $post->post_type, 'title' ) ) {
+        return;
+    }
+
+    // Title was provided — nothing to do.
+    if ( trim( wp_unslash( $_POST['post_title'] ?? '' ) ) !== '' ) {
+        return;
+    }
+
+    // Title is empty: store restore transient and signal the redirect handler
+    // (same keys as pods-save-error-handler.php so everything is shared).
+    $user_id = get_current_user_id();
+    $restore = [];
+
+    foreach ( $_POST as $key => $val ) {
+        if ( str_starts_with( $key, 'pods_meta_' ) ) {
+            $restore[ $key ] = is_array( $val )
+                ? array_map( 'wp_unslash', $val )
+                : wp_unslash( $val );
+        }
+    }
+
+    $restore['_msg']   = __( 'Le champ Titre est obligatoire.', 'thalim' );
+    $restore['_title'] = ''; // intentionally empty — user must fill it
+
+    set_transient(
+        'thalim_pods_restore_' . $post_id . '_' . $user_id,
+        $restore,
+        10 * MINUTE_IN_SECONDS
+    );
+
+    // Signal redirect_post_location (defined in pods-save-error-handler.php):
+    // it will revert the post status if needed and redirect to the edit screen.
+    $GLOBALS['thalim_pods_error_post_id'] = $post_id;
+}