Allow multiple reminder dates for a single chat group

src/schema.rs

@@ -1,15 +1,29 @@
 // @generated automatically by Diesel CLI.
 
 diesel::table! {
-	chat (id) {
-		id -> Integer,
-		telegram_id -> BigInt,
-		calendar -> Text,
-		next_appointment_start -> Nullable<BigInt>,
-		next_appointment_end -> Nullable<BigInt>,
-		last_reminder -> Nullable<BigInt>,
-		pinned_message_id -> Nullable<Integer>,
-		locale -> Nullable<Text>,
-		remind_days_ahead -> BigInt,
-	}
+    chat (id) {
+        id -> Integer,
+        telegram_id -> BigInt,
+        calendar -> Text,
+        next_appointment_start -> Nullable<BigInt>,
+        next_appointment_end -> Nullable<BigInt>,
+        last_reminder -> Nullable<BigInt>,
+        pinned_message_id -> Nullable<Integer>,
+        locale -> Nullable<Text>,
+    }
 }
+
+diesel::table! {
+    reminder (id) {
+        id -> Integer,
+        chat_id -> Integer,
+        days_ahead -> BigInt,
+    }
+}
+
+diesel::joinable!(reminder -> chat (chat_id));
+
+diesel::allow_tables_to_appear_in_same_query!(
+    chat,
+    reminder,
+);