Initial release of Discourse

lib/avatar_lookup.rb

@@ -0,0 +1,35 @@
+class AvatarLookup
+
+  def initialize(user_ids)
+    @user_ids = user_ids
+
+    @user_ids.flatten!
+    @user_ids.compact! if @user_ids.present?
+    @user_ids.uniq! if @user_ids.present?
+
+    @loaded = false
+  end
+
+  # Lookup a user by id
+  def [](user_id)
+    ensure_loaded!
+    @users_hashed[user_id]
+  end
+
+
+  protected
+
+    def ensure_loaded!
+      return if @loaded
+
+      @users_hashed = {}
+      # need email for hash
+      User.where(id: @user_ids).select([:id, :email, :email, :username]).each do |u|
+        @users_hashed[u.id] = u
+      end
+
+      @loaded = true
+    end
+
+
+end