Backup restore support (#1878)

Signed-off-by: Andrey Sobolev <haiodo@gmail.com>

server/core/src/adapter.ts

@@ -48,6 +48,8 @@ export interface DbAdapter {
   find: (domain: Domain) => StorageIterator
 
   load: (domain: Domain, docs: Ref<Doc>[]) => Promise<Doc[]>
+  upload: (domain: Domain, docs: Doc[]) => Promise<void>
+  clean: (domain: Domain, docs: Ref<Doc>[]) => Promise<void>
 }
 
 /**
@@ -114,6 +116,10 @@ class InMemoryAdapter implements DbAdapter {
   async load (domain: Domain, docs: Ref<Doc>[]): Promise<Doc[]> {
     return []
   }
+
+  async upload (domain: Domain, docs: Doc[]): Promise<void> {}
+
+  async clean (domain: Domain, docs: Ref<Doc>[]): Promise<void> {}
 }
 
 /**

server/core/src/pipeline.ts

@@ -83,4 +83,12 @@ class TPipeline implements Pipeline {
   async load (domain: Domain, docs: Ref<Doc>[]): Promise<Doc[]> {
     return await this.storage.load(domain, docs)
   }
+
+  async upload (domain: Domain, docs: Doc[]): Promise<void> {
+    await this.storage.upload(domain, docs)
+  }
+
+  async clean (domain: Domain, docs: Ref<Doc>[]): Promise<void> {
+    await this.storage.clean(domain, docs)
+  }
 }

server/core/src/storage.ts

@@ -405,6 +405,14 @@ class TServerStorage implements ServerStorage {
   async load (domain: Domain, docs: Ref<Doc>[]): Promise<Doc[]> {
     return await this.getAdapter(domain).load(domain, docs)
   }
+
+  async upload (domain: Domain, docs: Doc[]): Promise<void> {
+    await this.getAdapter(domain).upload(domain, docs)
+  }
+
+  async clean (domain: Domain, docs: Ref<Doc>[]): Promise<void> {
+    await this.getAdapter(domain).clean(domain, docs)
+  }
 }
 
 type Effect = () => Promise<void>