refactor(indexeddb): track corresponding object store for type in Indexed trait

Signed-off-by: Michael Goldenberg <m@mgoldenberg.net>

crates/matrix-sdk-indexeddb/src/event_cache_store/serializer/traits.rs

@@ -24,6 +24,9 @@ use crate::serializer::IndexeddbSerializer;
 /// decryption, in the case the high-level type must be encrypted before
 /// storage.
 pub trait Indexed: Sized {
+    /// The name of the object store in IndexedDB.
+    const OBJECT_STORE: &'static str;
+
     /// The indexed type that is used for storage in IndexedDB.
     type IndexedType;
     /// The error type that is returned when conversion fails.

crates/matrix-sdk-indexeddb/src/event_cache_store/serializer/types.rs

@@ -144,6 +144,8 @@ pub struct IndexedChunk {
 }
 
 impl Indexed for Chunk {
+    const OBJECT_STORE: &'static str = keys::LINKED_CHUNKS;
+
     type IndexedType = IndexedChunk;
     type Error = CryptoStoreError;
 
@@ -300,6 +302,8 @@ pub enum IndexedEventError {
 }
 
 impl Indexed for Event {
+    const OBJECT_STORE: &'static str = keys::EVENTS;
+
     type IndexedType = IndexedEvent;
     type Error = IndexedEventError;
 
@@ -460,6 +464,8 @@ pub struct IndexedGap {
 }
 
 impl Indexed for Gap {
+    const OBJECT_STORE: &'static str = keys::GAPS;
+
     type IndexedType = IndexedGap;
     type Error = CryptoStoreError;