Add format_uri function

src/server/config.rs

@@ -1,5 +1,39 @@
 use serde::Deserialize;
 
+/// Build a connection URI from parts
+fn format_uri(
+    scheme: &str,
+    username: &Option<String>,
+    password: &Option<String>,
+    host: &str,
+    port: &Option<u16>,
+    path: &Option<String>,
+) -> String {
+    let mut url = format!("{scheme}://");
+
+    if let Some(username) = username {
+        url.push_str(username);
+
+        if let Some(password) = password {
+            url.push_str(&format!(":{password}"));
+        }
+
+        url.push('@');
+    }
+
+    url.push_str(host);
+
+    if let Some(port) = port {
+        url.push_str(&format!(":{port}"));
+    }
+
+    if let Some(path) = path {
+        url.push_str(&format!("/{path}"));
+    }
+
+    url
+}
+
 #[derive(Debug, Clone, Deserialize)]
 pub struct DatabaseConfig {
     #[serde(flatten)]
@@ -39,31 +73,7 @@ impl DatabaseConnectionConfig {
                 database,
                 username,
                 password,
-            } => {
-                let mut url = "postgres://".to_string();
-
-                if let Some(username) = username {
-                    url.push_str(username);
-
-                    if let Some(password) = password {
-                        url.push_str(&format!(":{password}"));
-                    }
-
-                    url.push('@');
-                }
-
-                url.push_str(host);
-
-                if let Some(port) = port {
-                    url.push_str(&format!(":{port}"));
-                }
-
-                if let Some(database) = database {
-                    url.push_str(&format!("/{database}"));
-                }
-
-                url
-            }
+            } => format_uri("postgres", username, password, host, port, database),
         }
     }
 }