clear chat connection

src/app/infra/repository/adapter.ts

@@ -25,4 +25,6 @@ export abstract class IDexieRepository<T, R, I = EntityTable<any, any>> {
   abstract findAll(): Promise<RepositoryResult<T[], T>>
 
   abstract count(filter?: Object): Promise<RepositoryResult<number, T>>
+
+  abstract clear(): Promise<Result<any, any>>
 }

src/app/infra/repository/dexie/dexie-repository.service.ts

@@ -253,4 +253,13 @@ export class DexieRepository<T, R, I = EntityTable<any, any>> implements IDexieR
       }))
     }
   }
+
+  async clear() {
+    try {
+      const result =  await this.table.clear()
+      return ok(result)
+    } catch (e) {
+      return err(false)
+    }
+  }
 }