Working auth and fixed a lot of bugs

src/utils/database.rs

@@ -12,7 +12,7 @@ impl Database {
             "CREATE TABLE IF NOT EXISTS chat (
                   id          INTEGER PRIMARY KEY AUTOINCREMENT,
                   channel_id  TEXT NOT NULL,
-                  user_id     TEXT NOT NULL,
+                  user_id     INTEGER NOT NULL,
                   contents    TEXT NOT NULL,
                   timestamp   INTEGER NOT NULL
                 )",
@@ -102,6 +102,33 @@ impl Database {
         }
         Ok(None)
     }
+
+    /// Get all messages with an ID greater than the given one
+    pub fn get_messages_after_id(&self, message_id: usize) -> Result<Vec<Message>> {
+        let mut stmt = self.0.prepare(
+            "SELECT id, channel_id, user_id, contents, timestamp
+         FROM chat
+         WHERE id > ?1
+         ORDER BY id ASC",
+        )?;
+
+        let rows = stmt.query_map(params![message_id], |row| {
+            Ok(Message {
+                id: row.get::<_, i64>(0)?,
+                channel_id: row.get::<_, String>(1)?,
+                from: row.get::<_, u32>(2)?,
+                contents: row.get::<_, String>(3)?,
+                timestamp: row.get::<_, i64>(4)?,
+            })
+        })?;
+
+        let mut messages = Vec::new();
+        for row in rows {
+            messages.push(row?);
+        }
+
+        Ok(messages)
+    }
 }
 
 unsafe impl Send for Database {}