fix: Posts not written to db

The db writer channel was matching on reference pointers to the create
and delete post events, not the value type. The serve command was
changed to use value types for the channels as this is better practice.

db/writer.go

@@ -40,9 +40,9 @@ func (writer *Writer) Subscribe() {
 
 		case post := <-writer.postChan:
 			switch post := post.(type) {
-			case *models.CreatePostEvent:
+			case models.CreatePostEvent:
 				createPost(writer.db, post.Post)
-			case *models.DeletePostEvent:
+			case models.DeletePostEvent:
 				deletePost(writer.db, post.Post)
 			default:
 				log.Info("Unknown post type")
@@ -53,6 +53,9 @@ func (writer *Writer) Subscribe() {
 }
 
 func createPost(db *sql.DB, post models.Post) error {
+	log.WithFields(log.Fields{
+		"uri": post.Uri,
+	}).Info("Creating post")
 	// Post insert query
 	insertPost := sqlbuilder.NewInsertBuilder()
 	sql, args := insertPost.InsertInto("posts").Cols("uri", "created_at").Values(post.Uri, post.CreatedAt).Build()