Memex Multi-content api explorations

api-explicit.ts

class Indexer {
  constructor(private storage, private tabManager) {}
  
  async ensureIndexed(query: MetadataQuery) {
    // Query the storage database, perhaps a cache first too to check if the query corrosponds to content already saved
    if (record) {
          return ContentMetadata(record)
    } else {
      	// Ask the tab manager if it knows of a content currently open by that `query`
        // If so do the full text database indexing
        // wait for that (optional, could also schedule that for the bg)
      	// return the UUID
      	return ContentMetadata(createdRecord)
    }
  } 
}

class TagRepository {

  constructor(private storage,private indexer) {}
  
  async addContentTagByQuery(query: MetadataQuery, tagId) {
    const uuid = await indexer.ensureIndexed(query)
    return storage.addContentTag(uuid,tagId)
  }
  
}