From 113d3a59eaa7547433434d155fc1e60aa7c2094c Mon Sep 17 00:00:00 2001
From: elijah <elijah@riseup.net>
Date: Thu, 11 Oct 2012 00:42:46 -0700
Subject: code cleanup. better support for nested configs and templates.

---
 lib/leap_cli/config/manager.rb | 83 ++++++++++++++++--------------------------
 1 file changed, 32 insertions(+), 51 deletions(-)

(limited to 'lib/leap_cli/config/manager.rb')

diff --git a/lib/leap_cli/config/manager.rb b/lib/leap_cli/config/manager.rb
index 6a7c1e9..55575cf 100644
--- a/lib/leap_cli/config/manager.rb
+++ b/lib/leap_cli/config/manager.rb
@@ -1,11 +1,14 @@
-require 'oj'
+require 'json/pure'
 require 'yaml'
 
 module LeapCli
   module Config
+    #
+    # A class to manage all the objects in all the configuration files.
+    #
     class Manager
 
-      attr_reader :services, :tags, :nodes
+      attr_reader :services, :tags, :nodes, :provider
 
       ##
       ## IMPORT EXPORT
@@ -15,10 +18,11 @@ module LeapCli
       # load .json configuration files
       #
       def load(dir)
-        @services = load_all_json("#{dir}/services/*.json", :tag)
-        @tags     = load_all_json("#{dir}/tags/*.json", :tag)
-        @common   = load_all_json("#{dir}/common.json", :tag)['common']
-        @nodes    = load_all_json("#{dir}/nodes/*.json", :node)
+        @services = load_all_json("#{dir}/services/*.json")
+        @tags     = load_all_json("#{dir}/tags/*.json")
+        @common   = load_all_json("#{dir}/common.json")['common']
+        @provider = load_all_json("#{dir}/provider.json")['provider']
+        @nodes    = load_all_json("#{dir}/nodes/*.json")
         @nodes.each do |name, node|
           @nodes[name] = apply_inheritance(node)
         end
@@ -61,7 +65,7 @@ module LeapCli
           filters[0] = filters[0][1..-1]
         end
 
-        node_list = Config::List.new
+        node_list = Config::ObjectList.new
         filters.each do |filter|
           if filter =~ /^\+/
             keep_list = nodes_for_name(filter[1..-1])
@@ -73,38 +77,21 @@ module LeapCli
               end
             end
           else
-            node_list << nodes_for_name(filter)
+            node_list.merge!(nodes_for_name(filter))
           end
         end
         return node_list
       end
 
-      ##
-      ## CLASS METHODS
-      ##
-
-      #def self.manager
-      #  @manager ||= begin
-      #    manager = ConfigManager.new
-      #    manager.load(Path.provider)
-      #    manager
-      #  end
-      #end
-
-      #def self.filter(filters); manager.filter(filters); end
-      #def self.nodes; manager.nodes; end
-      #def self.services; manager.services; end
-      #def self.tags; manager.tags; end
-
       private
 
       def load_all_json(pattern, config_type = :class)
-        results = Config::List.new
+        results = Config::ObjectList.new
         Dir.glob(pattern).each do |filename|
           obj = load_json(filename, config_type)
           if obj
             name = File.basename(filename).sub(/\.json$/,'')
-            obj['name'] = name
+            obj['name'] ||= name
             results[name] = obj
           end
         end
@@ -128,15 +115,16 @@ module LeapCli
 
         # parse json, and flatten hash
         begin
-          hash = Oj.load(buffer.string) || {}
+          #hash = Oj.load(buffer.string) || {}
+          hash = JSON.parse(buffer.string, :object_class => Hash, :array_class => Array) || {}
         rescue SyntaxError => exc
           log0 'Error in file "%s":' % filename
           log0 exc.to_s
           return nil
         end
-        config = config_type == :node ? Node.new(self) : Tag.new(self)
-        config.deep_merge!(hash)
-        return config
+        object = Config::Object.new(self)
+        object.deep_merge!(hash)
+        return object
       end
 
       #
@@ -156,17 +144,14 @@ module LeapCli
       # end
 
       #
-      # makes this node inherit options from the common, service, and tag json files.
-      #
-      # - takes a hash
-      # - returns a Node object.
+      # makes a node inherit options from appropriate the common, service, and tag json files.
       #
       def apply_inheritance(node)
-        new_hash = Node.new(self)
-        #new_node = Node.new(self)
+        new_node = Config::Object.new(self)
+        name = node.name
 
         # inherit from common
-        new_hash.deep_merge!(@common)
+        new_node.deep_merge!(@common)
 
         # inherit from services
         if node['services']
@@ -175,8 +160,8 @@ module LeapCli
             if service.nil?
               log0('Error in node "%s": the service "%s" does not exist.' % [node['name'], node_service])
             else
-              new_hash.deep_merge!(service)
-              service.nodes << new_hash
+              new_node.deep_merge!(service)
+              service.node_list.add(name, new_node)
             end
           end
         end
@@ -188,19 +173,15 @@ module LeapCli
             if tag.nil?
               log0('Error in node "%s": the tag "%s" does not exist.' % [node['name'], node_tag])
             else
-              new_hash.deep_merge!(tag)
-              tag.nodes << new_hash
+              new_node.deep_merge!(tag)
+              tag.node_list.add(name, new_node)
             end
           end
         end
 
         # inherit from node
-        new_hash.deep_merge!(node)
-
-        # typecast full hash tree to type Node
-        #new_node.clone_from_plain_hash!(new_hash)
-
-        return new_hash
+        new_node.deep_merge!(node)
+        return new_node
       end
 
       #
@@ -208,11 +189,11 @@ module LeapCli
       #
       def nodes_for_name(name)
         if node = self.nodes[name]
-          Config::List.new(node)
+          Config::ObjectList.new(node)
         elsif service = self.services[name]
-          service.nodes
+          service.node_list
         elsif tag = self.tags[name]
-          tag.nodes
+          tag.node_list
         end
       end
 
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