Move transaction table to user/show

app/controllers/transactions_controller.rb

@@ -1,11 +1,7 @@
 class TransactionsController < ApplicationController
 
   def index
-    p params
-    respond_to do |format|
-      format.html
-      format.json { render json: TransactionDatatable.new(view_context) }
-    end
+    @transactions = Transaction.all
   end
 
   def new

app/controllers/users_controller.rb

@@ -3,6 +3,12 @@ class UsersController < ApplicationController
 
   def show
     @user = User.find(params[:id])
+    respond_to do |format|
+      format.html
+      format.json { render json: TransactionDatatable.new(
+        view_context, {user: @user})
+      }
+    end
   end
 
   def index

app/datatables/transaction_datatable.rb

@@ -1,7 +1,8 @@
 class TransactionDatatable < AjaxDatatablesRails::Base
+  include TransactionsHelper
 
   def sortable_columns
-    @sortable_columns ||= ['Transaction.id']
+    @sortable_columns ||= ['Transaction.amount']
   end
 
   def searchable_columns
@@ -9,14 +10,18 @@ class TransactionDatatable < AjaxDatatablesRails::Base
   end
 
   private
-
   def data
     records.map do |record|
-      [ record.id, record.debtor.name, record.creditor.name, record.amount ]
+      [ amount_in_perspective(record, options[:user]),
+        record.origin,
+        record.message,
+        get_transaction_peer(record, options[:user]).name,
+        record.created_at.strftime('%d/%m/%y %H:%M')
+      ]
     end
   end
 
   def get_raw_records
-    Transaction.all.eager_load(:debtor, :creditor)
+    options[:user].transactions.eager_load(:debtor, :creditor)
   end
 end

app/helpers/transactions_helper.rb

@@ -1,2 +1,11 @@
 module TransactionsHelper
+  def get_transaction_peer(transaction, user)
+    return transaction.creditor if user == transaction.debtor
+    return transaction.debtor if user == transaction.creditor
+  end
+
+  def amount_in_perspective(transaction, user)
+    return -transaction.amount if user == transaction.debtor
+    return transaction.amount if user == transaction.creditor
+  end
 end

app/views/transactions/index.html.haml

@@ -1,18 +0,0 @@
-%table#transactions.display{data: { source: transactions_path }}
-  %thead
-    %tr
-      %th id
-      %th debtor
-      %th creditor
-      %th amount
-  %tbody
-
-:javascript
-  $(document).ready(function() {
-    $('#transactions').DataTable({
-      'processing': true,
-      'serverSide': true,
-      'ajax': $('#transactions').data('source'),
-      'pagingType': 'full_numbers'
-      });
-  });

app/views/users/show.html.haml

@@ -1,21 +1,20 @@
 %h2= @user.name
-%table
+%table#transactions.display{data: { source: user_path(@user) }}
   %thead
     %tr
-      %th ID
-      %th Debtor
-      %th Creditor
       %th Amount
       %th Origin
       %th Message
+      %th Peer
       %th Time
   %tbody
-    - @user.transactions.each do |t|
-      %tr
-        %td= t.id
-        %td= t.debtor.name
-        %td= t.creditor.name
-        %td= t.amount
-        %td= t.origin
-        %td= t.message
-        %td= t.created_at
+
+:javascript
+  $(document).ready(function() {
+    $('#transactions').DataTable({
+      'processing': true,
+      'serverSide': true,
+      'ajax': $('#transactions').data('source'),
+      'pagingType': 'full_numbers'
+      });
+  });