Add path change to server

sync-server/src/app_state/database/models.rs

@@ -77,6 +77,72 @@ pub struct DocumentVersion {
     pub device_id: DeviceId,
 }
 
+/// Like [`DocumentVersionWithoutContent`] but without the `relative_path`.
+/// Used only in create/update responses where the client already tracks
+/// the path locally (the server is the source of truth for the
+/// document identity, not its path).
+#[derive(TS, Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct DocumentUpdateMetadata {
+    #[ts(type = "number")]
+    pub vault_update_id: VaultUpdateId,
+
+    pub document_id: DocumentId,
+    pub updated_date: DateTime<Utc>,
+    pub is_deleted: bool,
+    pub user_id: UserId,
+    pub device_id: DeviceId,
+
+    #[ts(type = "number")]
+    pub content_size: u64,
+}
+
+impl From<StoredDocumentVersion> for DocumentUpdateMetadata {
+    fn from(value: StoredDocumentVersion) -> Self {
+        Self {
+            vault_update_id: value.vault_update_id,
+            document_id: value.document_id,
+            updated_date: value.updated_date,
+            is_deleted: value.is_deleted,
+            user_id: value.user_id,
+            device_id: value.device_id,
+            content_size: value.content.len() as u64,
+        }
+    }
+}
+
+/// Like [`DocumentVersion`] but without the `relative_path`.
+/// Used only in create/update responses when the server had to merge the
+/// client's content with a newer remote version and therefore must echo
+/// the merged content back.
+#[derive(TS, Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct DocumentUpdateMergedContent {
+    #[ts(type = "number")]
+    pub vault_update_id: VaultUpdateId,
+
+    pub document_id: DocumentId,
+    pub updated_date: DateTime<Utc>,
+    pub content_base64: String,
+    pub is_deleted: bool,
+    pub user_id: UserId,
+    pub device_id: DeviceId,
+}
+
+impl From<StoredDocumentVersion> for DocumentUpdateMergedContent {
+    fn from(value: StoredDocumentVersion) -> Self {
+        Self {
+            vault_update_id: value.vault_update_id,
+            document_id: value.document_id,
+            updated_date: value.updated_date,
+            content_base64: STANDARD.encode(&value.content),
+            is_deleted: value.is_deleted,
+            user_id: value.user_id,
+            device_id: value.device_id,
+        }
+    }
+}
+
 /// Row struct for vault history queries (used by `sqlx::query_as!`)
 #[derive(Debug)]
 pub struct VaultHistoryRow {