v1.1.0

README.md

@@ -18,8 +18,25 @@ Or install it yourself as:
 
 ## Usage
 
+    require "gnucash"
+
     book = Gnucash.open("MyBook.gnucash")
 
+    book.accounts.each do |account|
+      puts "#{account.full_name}: #{account.final_balance}"
+    end
+
+    act = book.find_account_by_full_name("Assets::Checking")
+    balance = Gnucash::Value.zero
+    act.transactions.each do |txn|
+      balance += txn.value
+      $stdout.puts(sprintf("%s  %8s  %8s  %s",
+                           txn.date,
+                           txn.value,
+                           balance,
+                           txn.description))
+    end
+
 ## Contributing
 
 1. Fork it

gnucash.gemspec

@@ -10,7 +10,8 @@ Gem::Specification.new do |gem|
   gem.email         = ["jholtrop@gmail.com"]
   gem.description   = %q{Ruby library for extracting data from GnuCash data files}
   gem.summary       = %q{Extract data from GnuCash data files}
-  gem.homepage      = ""
+  gem.homepage      = "https://github.com/holtrop/ruby-gnucash"
+  gem.license       = "MIT"
 
   gem.files         = `git ls-files`.split($/)
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }

lib/gnucash/account.rb

@@ -2,17 +2,23 @@ module Gnucash
   # Represent a GnuCash account object
   class Account
     # _String_: The name of the account (unqualified)
-    attr_accessor :name
+    attr_reader :name
+
+    # _String_: The account description
+    attr_reader :description
 
     # _String_: The account type (such as "EXPENSE")
-    attr_accessor :type
+    attr_reader :type
 
     # _String_: The GUID of the account
-    attr_accessor :id
+    attr_reader :id
 
     # _Array_: List of _AccountTransaction_ transactions associated with this
     # account.
-    attr_accessor :transactions
+    attr_reader :transactions
+
+    # Boolean: whether the account is a placeholder or not
+    attr_reader :placeholder
 
     # Create an Account object.
     # === Arguments
@@ -23,23 +29,21 @@ module Gnucash
       @node = node
       @name = node.xpath('act:name').text
       @type = node.xpath('act:type').text
+      @description = node.xpath('act:description').text
       @id = node.xpath('act:id').text
       @parent_id = node.xpath('act:parent').text
       @parent_id = nil if @parent_id == ""
       @transactions = []
       @balances = []
+      @placeholder = node.xpath("act:slots/slot").find do |slot|
+        (slot.xpath("slot:key").first.text == "placeholder" and
+         slot.xpath("slot:value").first.text == "true")
+      end
     end
 
     # Return the fully qualified account name
     def full_name
-      prefix = ""
+      @full_name ||= calculate_full_name
-      if @parent_id
-        parent = @book.find_account_by_id(@parent_id)
-        if parent and parent.type != 'ROOT'
-          prefix = parent.full_name + "::"
-        end
-      end
-      prefix + name
     end
 
     # Internal method used to associate a transaction with the account
@@ -87,5 +91,18 @@ module Gnucash
       end
       @balances[idx][:value]
     end
+
+    private
+
+    def calculate_full_name
+      prefix = ""
+      if @parent_id
+        parent = @book.find_account_by_id(@parent_id)
+        if parent and parent.type != 'ROOT'
+          prefix = parent.full_name + "::"
+        end
+      end
+      prefix + name
+    end
   end
 end

lib/gnucash/account_transaction.rb

@@ -2,7 +2,7 @@ module Gnucash
   # Class to link a transaction object to an Account.
   class AccountTransaction
     # _Gnucash::Value_: The transaction value for the linked account
-    attr_accessor :value
+    attr_reader :value
 
     # Construct an AccountTransaction object.
     # This method is used internally when building a Transaction object.

lib/gnucash/book.rb

@@ -5,16 +5,16 @@ module Gnucash
   # Represent a GnuCash Book
   class Book
     # _Array_ of _Gnucash::Account_ objects in the book
-    attr_accessor :accounts
+    attr_reader :accounts
 
     # _Array_ of _Gnucash::Transaction_ objects in the book
-    attr_accessor :transactions
+    attr_reader :transactions
 
     # _String_ in "YYYY-MM-DD" format of the first transaction in the book
-    attr_accessor :start_date
+    attr_reader :start_date
 
     # _String_ in "YYYY-MM-DD" format of the last transaction in the book
-    attr_accessor :end_date
+    attr_reader :end_date
 
     # Construct a Book object.
     # Normally called internally by Gnucash.open()
@@ -76,6 +76,9 @@ module Gnucash
     end
 
     def finalize
+      @accounts.sort! do |a, b|
+        a.full_name <=> b.full_name
+      end
       @accounts.each do |account|
         account.finalize
       end

lib/gnucash/transaction.rb

@@ -5,13 +5,16 @@ module Gnucash
   # with an individual account.
   class Transaction
     # _String_: The date of the transaction, in ISO format ("YYYY-MM-DD")
-    attr_accessor :date
+    attr_reader :date
 
     # _String_: The GUID of the transaction
-    attr_accessor :id
+    attr_reader :id
 
     # _String_: The description of the transaction
-    attr_accessor :description
+    attr_reader :description
+
+    # _Array_ of _Hash_ with keys +account+ and +value+
+    attr_reader :splits
 
     # Create a new Transaction object
     # === Arguments
@@ -32,7 +35,7 @@ module Gnucash
         end
         account.add_transaction(AccountTransaction.new(self, value))
         {
-          account_id: account_id,
+          account: account,
           value: value,
         }
       end

lib/gnucash/value.rb

@@ -5,7 +5,7 @@ module Gnucash
     include Comparable
 
     # _Fixnum_:: The raw, undivided integer value
-    attr_accessor :val
+    attr_reader :val
 
     # Create a new Value object with value 0
     def self.zero
@@ -59,6 +59,11 @@ module Gnucash
       end
     end
 
+    # Negate a Value
+    def -@
+      Value.new(-@val, @div)
+    end
+
     # Multiply a Value object
     # +other+ should be a Numeric
     def *(other)

lib/gnucash/version.rb

@@ -1,4 +1,4 @@
 module Gnucash
   # gem version
-  VERSION = "1.0.0"
+  VERSION = "1.1.0"
 end

spec/gnucash/account_spec.rb

@@ -3,7 +3,9 @@ module Gnucash
     before(:all) do
       # just read the file once
       @book = Gnucash.open("spec/books/sample.gnucash")
+      @assets = @book.find_account_by_full_name("Assets")
       @checking = @book.find_account_by_full_name("Assets::Current Assets::Checking Account")
+      @income = @book.find_account_by_full_name("Income")
       @salary = @book.find_account_by_full_name("Income::Salary")
     end
 
@@ -11,6 +13,10 @@ module Gnucash
       @salary.name.should == "Salary"
     end
 
+    it "gives access to the account description" do
+      @checking.description.should == "Checking Account"
+    end
+
     it "gives access to the fully-qualified account name" do
       @checking.full_name.should == "Assets::Current Assets::Checking Account"
     end
@@ -36,5 +42,12 @@ module Gnucash
         @checking.balance_on("2007-03-27").should == Value.new(780000)
       end
     end
+
+    it "stores whether the account was a placeholder" do
+      @assets.placeholder.should be_true
+      @checking.placeholder.should be_false
+      @income.placeholder.should be_true
+      @salary.placeholder.should be_false
+    end
   end
 end

spec/gnucash/value_spec.rb

@@ -51,6 +51,12 @@ module Gnucash
       c.should == 1.1
     end
 
+    it "allows negating a Value object" do
+      a = Value.new("123/100")
+      b = -a
+      b.to_s.should == "-1.23"
+    end
+
     it "allows multiplying a Value by a Numeric" do
       a = Value.new("100/100")
       b = 12