Adding csv import

app/controllers/paypal_csvs_controller.rb

@@ -0,0 +1,28 @@
+class PaypalCsvsController < ApplicationController
+  load_and_authorize_resource :paypal_csv
+  before_filter :authenticate_user!
+
+  def index
+  end
+
+  def show
+  end
+
+  def new
+  end
+
+  def create
+    PaypalCsv.batch_import_from_csv(params[:file].path)
+    redirect_to paypal_csvs_path, :notice => 'Paypal CSV batch was successfully loaded.' 
+  end
+
+  def link
+    result = @paypal_csv.link_payment
+    if result.first
+      redirect_to paypal_csvs_url, :notice => 'Payment was successfully linked.' 
+    else
+      redirect_to paypal_csvs_url, :notice => result.last
+    end
+  end
+
+end

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

app/views/ipns/index.html.erb

@@ -6,7 +6,7 @@
         <th>Item</th>
         <th>Amount</th>
       </tr>
-    <% @ipns.reverse!.each do |ipn| %>
+    <% @ipns.sort_by(&:date_parsed).reverse!.each do |ipn| %>
       <tr>
         <td><%= ipn.payment_date %></td>
         <td><%= ipn.first_name %> <%= ipn.last_name %></td> 

app/views/paypal_csvs/index.html.erb

@@ -0,0 +1,31 @@
+<%= link_to "Upload CSV", new_paypal_csv_path %>
+<table>
+  <tr>
+    <th>Date</th>
+    <th>Name</th>
+    <th>Item</th>
+    <th>Amount</th>
+  </tr>
+<% @paypal_csvs.sort_by(&:date_parsed).reverse!.each do |paypal_csv| %>
+  <tr>
+    <td><%= paypal_csv.date %></td>
+    <td><%= paypal_csv._name %></td> 
+    <td><%= paypal_csv._item_title %></td>
+    <td>
+      <% if paypal_csv._gross.blank? %>
+        <%= paypal_csv._type %>
+      <% else %>
+        <%= paypal_csv._gross %>
+      <% end %>
+    </td>
+    <td>
+      <% if paypal_csv.payment.present? %>
+        <%= link_to "Linked Payment", paypal_csv.payment %>
+      <% else %>
+        <%= link_to "Try to link email '#{paypal_csv._from_email_address}' at membership level '#{paypal_csv._gross.to_i}'", link_paypal_csv_path(paypal_csv) %>
+      <% end %>
+    </td>
+    <td><%= link_to "Details", paypal_csv %></td>
+  </tr>
+<% end %>
+</table>

app/views/paypal_csvs/new.html.erb

@@ -0,0 +1,15 @@
+<style type="text/css">
+  label { 
+    width: 10em;
+    display: inline-block;}
+</style>
+
+<%= form_tag('/paypal_csvs', :multipart => true) do |f| %>
+  <div class="field">
+    <%= label_tag :file %>
+    <%= file_field_tag :file %>
+  </div>
+  <div class="actions">
+    <%= submit_tag %>
+  </div>
+<% end %>