sled: Add a method to create a StoreConfig

crates/matrix-sdk-sled/Cargo.toml

@@ -11,7 +11,7 @@ required-features = ["binary-build"]
 [features]
 default = ["encryption"]
 
-encryption = ["matrix-sdk-crypto"]
+encryption = ["matrix-sdk-base/encryption", "matrix-sdk-crypto"]
 binary-build = [
     "atty",
     "clap",

crates/matrix-sdk-sled/src/lib.rs

@@ -1,6 +1,7 @@
-#[cfg(feature = "encryption")]
 use std::path::Path;
 
+use matrix_sdk_base::store::StoreConfig;
+
 #[cfg(feature = "encryption")]
 mod cryptostore;
 mod state_store;
@@ -26,3 +27,33 @@ pub fn open_stores_with_path(
         Ok((Box::new(state_store), Box::new(crypto_store)))
     }
 }
+
+/// Create a [`StoreConfig`] with an opened sled [`StateStore`] that uses the
+/// given path and passphrase. If `encryption` is enabled, a [`CryptoStore`]
+/// with the same parameters is also opened.
+pub fn make_config(
+    path: impl AsRef<Path>,
+    passphrase: Option<&str>,
+) -> Result<StoreConfig, anyhow::Error> {
+    let mut config = StoreConfig::new();
+
+    #[cfg(feature = "encryption")]
+    {
+        let (state_store, crypto_store) = open_stores_with_path(path, passphrase)?;
+        config = config.state_store(state_store);
+        config = config.crypto_store(crypto_store);
+    }
+
+    #[cfg(not(feature = "encryption"))]
+    {
+        let state_store = if let Some(passphrase) = passphrase {
+            StateStore::open_with_passphrase(path, passphrase)?
+        } else {
+            StateStore::open_with_path(path)?
+        };
+
+        config = config.state_store(Box::new(state_store));
+    }
+
+    Ok(config)
+}