[core] Introduce resetCache API

Add an API to delete existing database and re-initialize.

1 files changed, 8 insertions, 0 deletions

diff --git a/platform/default/src/mbgl/storage/default_file_source.cpp b/platform/default/src/mbgl/storage/default_file_source.cpp
index 1ccf999109..08fbbff9a0 100644
--- a/platform/default/src/mbgl/storage/default_file_source.cpp
+++ b/platform/default/src/mbgl/storage/default_file_source.cpp
@@ -177,6 +177,10 @@ public:
         offlineDatabase->put(resource, response);
     }
 
+    void resetCache(std::function<void (std::exception_ptr)> callback) {
+        callback(offlineDatabase->resetCache());
+    }
+
 private:
     expected<OfflineDownload*, std::exception_ptr> getDownload(int64_t regionID) {
         auto it = downloads.find(regionID);
@@ -316,6 +320,10 @@ void DefaultFileSource::put(const Resource& resource, const Response& response)
     impl->actor().invoke(&Impl::put, resource, response);
 }
 
+void DefaultFileSource::resetCache(std::function<void (std::exception_ptr)> callback) {
+    impl->actor().invoke(&Impl::resetCache, callback);
+}
+
 // For testing only:
 
 void DefaultFileSource::setOnlineStatus(const bool status) {