calender stuff

src/Database.php

@@ -83,6 +83,39 @@ class Database
             }
         }
 
+        // CalDAV columns
+        if (!in_array('caldav_uid', $colNames)) {
+            self::$pdo->exec('ALTER TABLE cards ADD COLUMN caldav_uid TEXT DEFAULT NULL');
+            self::$pdo->exec('ALTER TABLE cards ADD COLUMN caldav_etag TEXT DEFAULT NULL');
+            self::$pdo->exec('ALTER TABLE cards ADD COLUMN caldav_href TEXT DEFAULT NULL');
+            self::$pdo->exec('ALTER TABLE cards ADD COLUMN caldav_synced_at TEXT DEFAULT NULL');
+            self::$pdo->exec('ALTER TABLE cards ADD COLUMN caldav_rrule TEXT DEFAULT NULL');
+        }
+        if (!in_array('caldav_rrule', $colNames) && in_array('caldav_uid', $colNames)) {
+            self::$pdo->exec('ALTER TABLE cards ADD COLUMN caldav_rrule TEXT DEFAULT NULL');
+        }
+
+        // CalDAV support tables
+        self::$pdo->exec('
+            CREATE TABLE IF NOT EXISTS caldav_sync_log (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                direction TEXT NOT NULL,
+                card_id INTEGER,
+                caldav_uid TEXT,
+                action TEXT NOT NULL,
+                status TEXT NOT NULL,
+                detail TEXT DEFAULT "",
+                created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
+            )
+        ');
+        self::$pdo->exec('
+            CREATE TABLE IF NOT EXISTS caldav_tombstones (
+                caldav_uid TEXT PRIMARY KEY,
+                card_id INTEGER,
+                deleted_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
+            )
+        ');
+
         // Bucket color migration
         $bcols = self::$pdo->query('PRAGMA table_info(buckets)')->fetchAll();
         $bcolNames = array_column($bcols, 'name');