Add import/clean up events for fetchers

And also flush the current library when a fetcher is spawned.

doc/HOOKS.md

@@ -27,11 +27,15 @@ Each event is a JSON object with a required `type` key:
 ```
 // Display a notification message.
 {"type": "notify", "message": STRING}
-// Add a document to the DB. `info` is the camel cased JSON version
+// Add a document to the current library. `info` is the camel cased JSON version
 // of the `Info` structure defined in `src/metadata.rs`.
 {"type": "addDocument", "info": OBJECT}
 // Enable or disable the WiFi.
 {"type": "setWifi", "enable": BOOL}
+// Import new entries and update existing entries in the current library.
+{"type": "import"}
+// Remove entries with dangling paths from the current library.
+{"type": "cleanUp"}
 ```
 
 On *Plato*'s side, the events are read line by line, one event per line.

src/view/home/mod.rs

@@ -211,6 +211,7 @@ impl Home {
  let selected_library = context.settings.selected_library;
  for hook in &context.settings.libraries[selected_library].hooks {
  if context.library.home.join(&hook.path) == path {
+ context.library.flush();
  self.insert_fetcher(hook, hub, context);
  }
  }
@@ -1121,6 +1122,12 @@ impl Home {
  hub2.send(Event::SetWifi(enable)).ok();
  }
  },
+ Some("cleanUp") => {
+ hub2.send(Event::Select(EntryId::CleanUp)).ok();
+ },
+ Some("import") => {
+ hub2.send(Event::Select(EntryId::Import)).ok();
+ },
  _ => (),
  }
  }