Refactor metadata store module

src/store/modules/metadata.js

@@ -45,9 +45,9 @@ const metadata = {
         }
       }
       if (payload.id) {
-        metadata = await this.fetchTitle(metadata, payload)
+        metadata = await context.dispatch('fetchTitle', [metadata, payload])
       }
-      console.debug('metadata', metadata)
+      console.debug('metadata/get', metadata)
       return metadata
     },
     async getLocal (context, payload) {
@@ -57,11 +57,12 @@ const metadata = {
       if (typeof payload === 'string') {
         payload = await context.dispatch('annotations/get', payload, { root: true })
       }
-      let metadata
-      metadata = context.state.cache[payload.body.source.id] || {}
-      return this.fetchTitle(context, metadata, payload)
+      let metadata = context.state.cache[payload.body.source.id] || {}
+      metadata = await context.dispatch('fetchTitle', [metadata, payload])
+      console.debug('metadata/getLocal', metadata)
+      return metadata
     },
-    async fetchTitle (context, metadata, payload) {
+    async fetchTitle (context, [metadata, payload]) {
       const titleQuery = {
         'target.id': typeof payload === 'string' ? `${BASE_URI}/annotations/${payload}` : payload.id,
         'body.purpose': 'describing',
@@ -73,7 +74,7 @@ const metadata = {
         if (metadata.title) metadata.originalTitle = metadata.title
         metadata.title = titleResult.items[0].body.value
       }
-      console.debug('metadata', metadata)
+      console.debug('metadata/fetchTitle', metadata)
       return metadata
     }
   }