lib/brief/document.rb in brief-1.6.1 vs lib/brief/document.rb in brief-1.7.0

@@ -8,10 +8,22 @@
 
     def document
       self
     end
 
+    def to_s
+      "#{ model_class }.at_path(#{relative_path})"
+    end
+
+    def inspect
+      "#{ model_class }.at_path(#{relative_path})"
+    end
+
+    def relative_path
+      briefcase.present? ? path.relative_path_from(briefcase.docs_path) : path
+    end
+
     def initialize(path, options = {})
       if path.respond_to?(:key?) && options.empty?
         @frontmatter = path.to_mash
       else
         @path = Pathname(path)
@@ -25,10 +37,22 @@
       elsif options[:contents]
         @raw_content = options[:contents]
       end
     end
 
+    def content_hash
+      Digest::MD5.hexdigest(@content.to_s)
+    end
+
+    def file_hash
+      Digest::MD5.hexdigest(path.read.to_s)
+    end
+
+    def content_stale?
+      content_hash != file_hash
+    end
+
     def raw= val
       @raw_set = true
       @raw_content = val
       #document.load_frontmatter
       @raw_content
@@ -53,10 +77,11 @@
       @content = nil
       @raw_content = path.read
       @frontmatter = nil
       @raw_frontmatter = nil
       @refreshing = true
+      @content_hash = nil
       load_frontmatter
       true
     end
 
     def save!
@@ -104,13 +129,14 @@
     def content= value
       @content = value
     end
 
     def content
-      if @content.nil?
-        generate_content
+      if @content.nil? && path && path.exist?
+        @content = path.read
       end
+
       @content || generate_content
     end
 
     # Shortcut for querying the rendered HTML by css selectors.
     #
@@ -151,11 +177,17 @@
 
     def extension
       path.extname
     end
 
+    def model_attributes
+      (data || {}).to_hash
+        .merge(path: path, document: self)
+        .reverse_merge(type: document_type)
+    end
+
     def to_model
-      model_class.new((data || {}).to_hash.merge(path: path, document: self).reverse_merge(:type=>document_type)) if model_class
+      model_class.try(:new, model_attributes)
     end
 
     def exist?
       path && path.exist?
     end