Better database structure

src/data.rs

@@ -0,0 +1,39 @@
+use directories::ProjectDirs;
+use ruma_identifiers::UserId;
+
+pub struct Data(sled::Db);
+
+impl Data {
+    pub fn set_hostname(&self, hostname: &str) {
+        self.0.insert("hostname", hostname).unwrap();
+    }
+    pub fn hostname(&self) -> String {
+        String::from_utf8(self.0.get("hostname").unwrap().unwrap().to_vec()).unwrap()
+    }
+    pub fn load_or_create() -> Self {
+        Data(
+            sled::open(
+                ProjectDirs::from("xyz", "koesters", "matrixserver")
+                    .unwrap()
+                    .data_dir(),
+            )
+            .unwrap(),
+        )
+    }
+
+    pub fn user_exists(&self, user_id: &UserId) -> bool {
+        self.0
+            .open_tree("username_password")
+            .unwrap()
+            .contains_key(user_id.to_string())
+            .unwrap()
+    }
+
+    pub fn user_add(&self, user_id: UserId, password: Option<String>) {
+        self.0
+            .open_tree("username_password")
+            .unwrap()
+            .insert(user_id.to_string(), &*password.unwrap_or_default())
+            .unwrap();
+    }
+}