Adding csv import

app/models/ipn.rb

@@ -5,6 +5,14 @@ class Ipn < ActiveRecord::Base
 
   after_create :create_payment
 
+  def date_parsed
+    begin
+      Date.strptime(self.payment_date, "%H:%M:%S %b %e, %Y %Z")
+    rescue
+      Date.new
+    end
+  end
+
   def self.new_from_dynamic_params(params)
     ipn = Ipn.new()
 

app/models/paypal_csv.rb

@@ -0,0 +1,73 @@
+require 'csv'
+class PaypalCsv < ActiveRecord::Base
+  attr_accessible :data, :_address_status, :_counterparty_status, :_currency, :_fee, :_from_email_address, :_gross, :_item_id, :_item_title, :_name, :_net, :_status, :_time, :_time_zone, :_to_email_address, :_transaction_id, :_type, :date, :string
+  belongs_to :payment
+
+  after_create :create_payment
+
+  def date_parsed
+    begin
+      Date.strptime(self._date, "%m/%d/%Y")
+    rescue
+      Date.new
+    end
+  end
+
+  def self.batch_import_from_csv(filename)
+    csv = CSV.table(filename)
+    csv.each do |row| 
+      paypal_csv = PaypalCsv.new()
+
+      paypal_csv.attributes.each do |c|
+        unless row[c.first.to_sym].nil?
+          paypal_csv[c.first.to_sym] = row[c.first.to_sym]
+        end
+      end
+
+      paypal_csv.data = row.to_json
+      paypal_csv.save
+    end
+    
+    return true
+  end
+
+  def link_payment
+    create_payment
+  end
+
+  private
+  def create_payment
+    # find user by email, then by payee
+    user = User.find_by_email(self._from_email_address)
+    user = User.find_by_payee(self._from_email_address) if user.nil? && self._from_email_address.present?
+
+    # Only create payments if the CSV matches a member
+    if user.present?
+      # And is a payment (not a cancellation, etc)
+      payment_types = ["Recurring Payment Received","Payment Received"]
+      if payment_types.include?(self._type)
+        # And a member level
+        if User.member_levels[self._gross.to_i].present?
+          payment = Payment.new
+          payment.date = Date.strptime(self._date, "%m/%d/%Y") #7/6/2013 for Jul 06
+          payment.user_id = user.id
+          payment.amount = self._gross
+          if payment.save
+            self.payment_id = payment.id
+            self.save!
+          else
+            return [false, "Unable to link payment. Payment error: #{payment.errors.full_messages.first}"]
+          end
+        else
+          return [false, "Unable to link payment. Couldn't find membership level '#{self._gross.to_i}'."]
+        end
+      else
+        return [false, "Unable to link payment. Transaction is a '#{self._type}' instead of '#{payment_types.inspect}'."]
+      end
+    else
+      return [false, "Unable to link payment. Couldn't find user/payee '#{self._from_email_address}'."]
+    end
+
+    return [true]
+  end
+end