model: schedule validation of nested models when a model is instantiated

rationale: filling in default values also for nested model fields

1 files changed, 5 insertions, 2 deletions

diff --git a/acf2/model/model.lua b/acf2/model/model.lua
index c6c5306..6ff398a 100644
--- a/acf2/model/model.lua
+++ b/acf2/model/model.lua
@@ -1,5 +1,5 @@
 --[[
-Copyright (c) 2012-2013 Kaarle Ritvanen
+Copyright (c) 2012-2014 Kaarle Ritvanen
 See LICENSE file for license details
 --]]
 
@@ -10,6 +10,7 @@ local raise = require('acf2.error').raise
 local fld = require('acf2.model.field')
 local Field = fld.Field
 local Member = fld.Member
+local Model = fld.Model
 
 local node = require('acf2.model.node')
 local BoundMember = node.BoundMember
@@ -30,7 +31,7 @@ local function to_member(obj, params)
    if not params then params = {} end
    if object.issubclass(obj, M.Model) then
       params.model = obj
-      return fld.Model(params)
+      return Model(params)
    end
    local res = getmetatable(obj).class and obj or obj(params)
    assert(isinstance(res, Member))
@@ -214,6 +215,8 @@ function M.Model:init(context)
 	 return self:has_permission(user, permission)
       end
    end
+
+   for _, f in ipairs(_members(Model)) do mt.load(f.name) end
 end