Merge branch 'master' into filter-datatables

.gitignore

@@ -15,3 +15,4 @@
 /log/*
 !/log/.keep
 /tmp
+coverage/

.travis.yml

@@ -0,0 +1,14 @@
+language: ruby
+sudo: false
+
+before_script:
+  - RAILS_ENV=test bundle exec rspec spec
+
+notifications:
+  email:
+    recipients:
+      - tab@zeus.ugent.be
+    on_success: never
+    on_failure: change
+  slack:
+    secure: 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

Gemfile

@@ -76,8 +76,17 @@ group :development do
   gem 'capistrano-passenger'
 end
 
+group :test do
+  gem 'coveralls', require: false
+end
+
 group :production do
   gem 'mysql2', '~> 0.3.0'
 end
 
 gem 'high_voltage', '~> 2.4.0'
+
+gem 'simple_form'
+
+# Errors on errbit
+gem 'airbrake'

Gemfile.lock

@@ -36,6 +36,9 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
+    airbrake (4.3.1)
+      builder
+      multi_json
     annotate (2.6.10)
       activerecord (>= 3.2, <= 4.3)
       rake (~> 10.4)
@@ -69,6 +72,12 @@ GEM
       execjs
     coffee-script-source (1.9.1.1)
     colorize (0.7.7)
+    coveralls (0.8.2)
+      json (~> 1.8)
+      rest-client (>= 1.6.8, < 2)
+      simplecov (~> 0.10.0)
+      term-ansicolor (~> 1.3)
+      thor (~> 0.19.1)
     debug_inspector (0.0.2)
     devise (3.5.2)
       bcrypt (~> 3.0)
@@ -78,6 +87,9 @@ GEM
       thread_safe (~> 0.1)
       warden (~> 1.2.3)
     diff-lcs (1.2.5)
+    docile (1.1.5)
+    domain_name (0.5.24)
+      unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
     execjs (2.6.0)
     factory_girl (4.5.0)
@@ -106,6 +118,8 @@ GEM
       haml (~> 4.0.0)
       nokogiri (~> 1.6.0)
       ruby_parser (~> 3.5)
+    http-cookie (1.0.2)
+      domain_name (~> 0.5)
     i18n (0.7.0)
     jbuilder (2.3.1)
       activesupport (>= 3.0.0, < 5)
@@ -135,6 +149,7 @@ GEM
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (2.9.2)
+    netrc (0.10.3)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
     oauth2 (1.0.0)
@@ -183,6 +198,10 @@ GEM
     rdoc (4.2.0)
     responders (2.1.0)
       railties (>= 4.2.0, < 5)
+    rest-client (1.8.0)
+      http-cookie (>= 1.0.2, < 2.0)
+      mime-types (>= 1.16, < 3.0)
+      netrc (~> 0.7)
     rspec-core (3.3.2)
       rspec-support (~> 3.3.0)
     rspec-expectations (3.3.1)
@@ -215,6 +234,14 @@ GEM
     select2-rails (3.5.9.3)
       thor (~> 0.14)
     sexp_processor (4.6.0)
+    simple_form (3.1.1)
+      actionpack (~> 4.0)
+      activemodel (~> 4.0)
+    simplecov (0.10.0)
+      docile (~> 1.1.0)
+      json (~> 1.8)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.0)
     spring (1.3.6)
     sprockets (3.3.4)
       rack (~> 1.0)
@@ -227,9 +254,12 @@ GEM
       colorize (>= 0.7.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
+    term-ansicolor (1.3.2)
+      tins (~> 1.0)
     thor (0.19.1)
     thread_safe (0.3.5)
     tilt (2.0.1)
+    tins (1.6.0)
     turbolinks (2.5.3)
       coffee-rails
     tzinfo (1.2.2)
@@ -237,6 +267,9 @@ GEM
     uglifier (2.7.2)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.1)
     warden (1.2.3)
       rack (>= 1.0)
     web-console (2.2.1)
@@ -249,6 +282,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  airbrake
   annotate
   byebug
   cancancan
@@ -257,6 +291,7 @@ DEPENDENCIES
   capistrano-rails (~> 1.1)
   capistrano-rbenv
   coffee-rails (~> 4.1.0)
+  coveralls
   devise
   factory_girl_rails
   faker
@@ -273,6 +308,7 @@ DEPENDENCIES
   sass-rails (~> 5.0)
   sdoc (~> 0.4.0)
   select2-rails
+  simple_form
   spring
   sqlite3
   turbolinks

README.md

@@ -1 +1 @@
-# Tab
+# [Tab](https://zeus.ugent.be/tab) [![Analytics](https://ga-beacon.appspot.com/UA-25444917-6/ZeusWPI/Tab/README.md?pixel)](https://github.com/igrigorik/ga-beacon) [![Code Climate](https://codeclimate.com/github/ZeusWPI/Tab/badges/gpa.svg)](https://codeclimate.com/github/ZeusWPI/Tab) [![Coverage Status](https://coveralls.io/repos/ZeusWPI/Tab/badge.svg?branch=master&service=github)](https://coveralls.io/github/ZeusWPI/Tab?branch=master) [![Build Status](https://travis-ci.org/ZeusWPI/Tab.png?branch=master)](https://travis-ci.org/ZeusWPI/Tab)

app/assets/stylesheets/application.css

@@ -16,3 +16,6 @@
  *= require_self
  *= require purecss
  */
+body {
+  padding: 30px;
+}

app/assets/stylesheets/forms.css.scss

@@ -0,0 +1,22 @@
+.error_panel {
+  margin-bottom: 1em;
+  border-radius: 3px;
+  border: 1px solid #ebccd1;
+  .error_header {
+    .error_title {
+      font-size: 16px;
+      margin-top: 0;
+      margin-bottom: 0;
+    }
+    padding: 10px 15px;
+    color: #a94442;
+    background-color: #f2dede;
+  }
+  .error_body {
+    padding: 15px;
+    ul {
+      margin-bottom: 0px;
+      margin-top: 0px;
+    }
+  }
+}

app/assets/stylesheets/purecss.css

@@ -7,3 +7,39 @@
   =require purecss/menus
   =require purecss/tables
 */
+
+/* Alerts */
+.pure-alert {
+    position: relative;
+    margin-bottom: 1em;
+    padding: 1em;
+    background: #ccc;
+    border-radius: 3px;
+}
+
+.pure-alert label {
+    display: inline-block;
+    *display: inline;
+    /* IE7 inline-block hack */
+    *zoom: 1;
+    white-space: nowrap;
+}
+
+.pure-alert {
+    background-color: rgb(209, 235, 238);
+    color: rgb(102, 131, 145);
+}
+.pure-alert-error {
+    background-color: #D13C38;
+    color: #fff;
+}
+
+.pure-alert-warning {
+    background-color: rgb(250, 191, 103);
+    color: rgb(151, 96, 13);
+}
+
+.pure-alert-success {
+    background-color: rgb(83, 180, 79);
+    color: #fff;
+}

app/controllers/application_controller.rb

@@ -6,4 +6,18 @@ class ApplicationController < ActionController::Base
   rescue_from CanCan::AccessDenied do |exception|
     redirect_to root_url, alert: exception.message
   end
+
+  def authenticate_user_or_client!
+    current_user || current_client || head(:unauthorized)
+  end
+
+  def current_client
+    @current_client ||= Client.find_by key: request.headers["X-API-KEY"]
+  end
+
+  def current_ability
+    @current_ability ||=
+      current_client.try { |c| ClientAbility.new(c) } ||
+      Ability.new(current_user)
+  end
 end

app/controllers/concerns/data_table.rb

@@ -32,7 +32,7 @@ module DataTable
   def selection_to_json(user, selection)
     { data: selection.map { |transaction| {
         amount: transaction.signed_amount_for(user),
-        origin: transaction.origin,
+        issuer: transaction.issuer.name,
         message: transaction.message,
         peer: transaction.peer_of(user).try(:name),
         time: transaction.created_at

app/controllers/transactions_controller.rb

@@ -1,4 +1,9 @@
 class TransactionsController < ApplicationController
+  load_and_authorize_resource
+  skip_before_filter :verify_authenticity_token, only: :create
+
+  before_action :authenticate_user!, except: :create
+  before_action :authenticate_user_or_client!, only: :create
 
   def index
     @transactions = Transaction.all
@@ -9,18 +14,35 @@ class TransactionsController < ApplicationController
   end
 
   def create
-    @transaction = current_user.outgoing_transactions.build transaction_params.merge(origin: I18n.t('origin.created_by_user'))
+    @transaction = Transaction.new(transaction_params)
-
+    respond_to do |format|
+      format.html do
         if @transaction.save
-      redirect_to current_user
+          flash[:success] = "Transaction created"
+          redirect_to new_transaction_path
         else
           render 'new'
         end
       end
 
+      format.json do
+        head(@transaction.save ? :created : :unprocessable_entity)
+      end
+    end
+  end
+
   private
 
   def transaction_params
-    params.require(:transaction).permit(:creditor_id, :amount, :message)
+    t = params.require(:transaction)
+          .permit(:debtor, :creditor, :message, :euros, :cents)
+
+    {
+      debtor: User.find_by(name: t[:debtor]) || User.zeus,
+      creditor: User.find_by(name: t[:creditor]) || User.zeus,
+      issuer: current_client || current_user,
+      amount: (t[:euros].to_f*100 + t[:cents].to_f).to_i,
+      message: t[:message]
+    }
   end
 end

app/models/ability.rb

@@ -2,12 +2,10 @@ class Ability
   include CanCan::Ability
 
   def initialize(user)
-    user ||= User.new # guest user (not logged in)
+    return unless user
 
-    if user.penning?
+    can :manage, :all if user.penning?
-      can :manage, :all
-    else
     can :read, user, id: user.id
-    end
+    can :create, Transaction, debtor: user
   end
 end

app/models/client.rb

@@ -10,14 +10,10 @@
 #
 
 class Client < ActiveRecord::Base
+  has_many :issued_transactions, as: :issuer, class_name: 'Transaction'
   before_create :generate_key
 
   validates :name, presence: true, uniqueness: true
-  validates :key, presence: true, uniqueness: true
-
-  def transactions
-    Transaction.where(origin: name)
-  end
 
   private
   def generate_key

app/models/client_ability.rb

@@ -0,0 +1,8 @@
+class Ability
+  include CanCan::Ability
+
+  def initialize(client)
+    client ||= Client.new # guest user (not logged in)
+    can :manage, :all
+  end
+end

app/models/transaction.rb

@@ -5,8 +5,9 @@
 #  id          :integer          not null, primary key
 #  debtor_id   :integer          not null
 #  creditor_id :integer          not null
+#  issuer_id   :integer          not null
+#  issuer_type :string           not null
 #  amount      :integer          default(0), not null
-#  origin      :string           not null
 #  message     :string
 #  created_at  :datetime         not null
 #  updated_at  :datetime         not null
@@ -15,6 +16,7 @@
 class Transaction < ActiveRecord::Base
   belongs_to :debtor, class_name: 'User'
   belongs_to :creditor, class_name: 'User'
+  belongs_to :issuer, polymorphic: true
 
   after_save    :recalculate_balances
   after_destroy :recalculate_balances
@@ -22,10 +24,6 @@ class Transaction < ActiveRecord::Base
   validates :amount, numericality: { greater_than: 0 }
   validate :different_debtor_creditor
 
-  def client
-    Client.find_by name: origin
-  end
-
   def peer_of(user)
     return creditor if user == debtor
     return debtor if user == creditor
@@ -44,6 +42,8 @@ class Transaction < ActiveRecord::Base
   end
 
   def different_debtor_creditor
-    self.errors.add :base, "Can't write money to yourself" if self.debtor == self.creditor
+    if self.debtor == self.creditor
+      self.errors.add :base, "Can't write money to yourself"
+    end
   end
 end

app/models/user.rb

@@ -17,6 +17,8 @@ class User < ActiveRecord::Base
   has_many :outgoing_transactions,
     class_name: 'Transaction', foreign_key: 'debtor_id'
 
+  has_many :issued_transactions, as: :issuer, class_name: 'Transaction'
+
   validates :name, presence: true, uniqueness: true
 
   def transactions

app/views/layouts/application.html.haml

@@ -7,5 +7,17 @@
     = javascript_include_tag 'application', 'data-turbolinks-track' => true
     = csrf_meta_tags
   %body
-    = content_tag :div, flash[:alert] if flash[:alert]
+    .pure-g
+      .pure-u-1
+        .pure-menu.pure-menu-horizontal
+          %ul.pure-menu-list
+            - if current_user
+              %li.pure-menu-item
+                = link_to current_user.name.capitalize, current_user, class: "pure-menu-link"
+              %li.pure-menu-item
+                = link_to "New Transaction", new_transaction_path, class: "pure-menu-link"
+            - else
+              = link_to "Sign in", user_omniauth_authorize_path(:zeuswpi), class: "pure-menu-link" unless current_user
+      .pure-u-1
+        = render 'partials/flash'
         = yield

app/views/partials/_flash.html.haml

@@ -0,0 +1,3 @@
+- flash.each do |key, value|
+  .pure-alert{ class: "pure-alert-#{key}" }
+    = value

app/views/partials/_form_errors.html.haml

@@ -0,0 +1,10 @@
+- if object.errors.any?
+  .error_panel
+    .error_header
+      %h3.error_title
+        This transaction could not be saved.
+    .error_body
+      %ul
+        - object.errors.full_messages.each do |tr|
+          %li
+            = tr

app/views/transactions/new.html.haml

@@ -1,6 +1,13 @@
-= @transaction.errors.full_messages.join(", ")
+= render 'partials/form_errors', object: @transaction
-= form_for @transaction do |f|
+= simple_form_for @transaction do |f|
-  = f.collection_select :creditor_id, User.all, :id, :name, {}, { class: 'select2-selector' }
+  - if current_user.penning
-  = f.number_field :amount
+    = f.collection_select :debtor, User.all, :name, :name,
-  = f.text_field :message, required: true
+        { selected: @transaction.debtor.try(:name) || current_user.name }, { class: 'select2-selector'}
-  = f.submit "Send it!"
+  - else
+    = f.hidden_field :debtor, value: current_user.name
+  = f.collection_select :creditor, User.all, :name, :name,
+        { selected: @transaction.creditor.try(:name) || User.zeus.name }, { class: 'select2-selector' }
+  = f.input :message, required: true
+  = f.input :euros, input_html: { value: @transaction.amount/100}
+  .pure-controls
+    = f.button :submit, "Send it!"

app/views/users/show.html.haml

@@ -3,7 +3,7 @@
   %thead
     %tr
       %th Amount
-      %th Origin
+      %th Issuer
       %th Message
       %th Peer
       %th Time
@@ -13,7 +13,7 @@
         = "<= Amount <="
         %input.upper-bound{type: 'number', placeholder: 'upper', class: 'pure-u-1-5'}
       %td.input-listen
-        %input{type: 'text', placeholder: 'Filter on Origin'}
+        %input{type: 'text', placeholder: 'Filter on Issuer'}
       %td.input-listen
         %input{type: 'text', placeholder: 'Filter on Message'}
       %td.input-listen
@@ -35,7 +35,7 @@
       pagingType: 'full_numbers',
       columns: [
         { data: 'amount',  name: 'Amount' },
-        { data: 'origin',  name: 'Origin' },
+        { data: 'issuer',  name: 'Issuer' },
         { data: 'message', name: 'Message' },
         { data: 'peer',    name: 'Peer' },
         { data: 'time',    name: 'Time' }

config/initializers/errbit.rb

@@ -0,0 +1,6 @@
+Airbrake.configure do |config|
+  config.api_key = '066f6146dde14038b5ab69a2f680cd4a'
+  config.host    = 'zeus-errbit.ilion.me'
+  config.port    = 80
+  config.secure  = config.port == 443
+end

config/initializers/simple_form.rb

@@ -0,0 +1,165 @@
+# Use this setup block to configure all options available in SimpleForm.
+SimpleForm.setup do |config|
+  # Wrappers are used by the form builder to generate a
+  # complete input. You can remove any component from the
+  # wrapper, change the order or even add your own to the
+  # stack. The options given below are used to wrap the
+  # whole input.
+  config.wrappers :default, class: "input pure-control-group",
+    hint_class: :field_with_hint, error_class: :field_with_errors do |b|
+    ## Extensions enabled by default
+    # Any of these extensions can be disabled for a
+    # given input by passing: `f.input EXTENSION_NAME => false`.
+    # You can make any of these extensions optional by
+    # renaming `b.use` to `b.optional`.
+
+    # Determines whether to use HTML5 (:email, :url, ...)
+    # and required attributes
+    b.use :html5
+
+    # Calculates placeholders automatically from I18n
+    # You can also pass a string as f.input placeholder: "Placeholder"
+    b.use :placeholder
+
+    ## Optional extensions
+    # They are disabled unless you pass `f.input EXTENSION_NAME => true`
+    # to the input. If so, they will retrieve the values from the model
+    # if any exists. If you want to enable any of those
+    # extensions by default, you can change `b.optional` to `b.use`.
+
+    # Calculates maxlength from length validations for string inputs
+    b.optional :maxlength
+
+    # Calculates pattern from format validations for string inputs
+    b.optional :pattern
+
+    # Calculates min and max from length validations for numeric inputs
+    b.optional :min_max
+
+    # Calculates readonly automatically from readonly attributes
+    b.optional :readonly
+
+    ## Inputs
+    b.use :label_input
+    b.use :hint,  wrap_with: { tag: :span, class: :hint }
+    b.use :error, wrap_with: { tag: :span, class: :error }
+
+    ## full_messages_for
+    # If you want to display the full error message for the attribute, you can
+    # use the component :full_error, like:
+    #
+    # b.use :full_error, wrap_with: { tag: :span, class: :error }
+  end
+
+  # The default wrapper to be used by the FormBuilder.
+  config.default_wrapper = :default
+
+  # Define the way to render check boxes / radio buttons with labels.
+  # Defaults to :nested for bootstrap config.
+  #   inline: input + label
+  #   nested: label > input
+  config.boolean_style = :nested
+
+  # Default class for buttons
+  config.button_class = 'pure-button pure-button-primary'
+
+  # Method used to tidy up errors. Specify any Rails Array method.
+  # :first lists the first message for each field.
+  # Use :to_sentence to list all errors for each field.
+  # config.error_method = :first
+
+  # Default tag used for error notification helper.
+  config.error_notification_tag = :div
+
+  # CSS class to add for error notification helper.
+  config.error_notification_class = 'error_notification'
+
+  # ID to add for error notification helper.
+  # config.error_notification_id = nil
+
+  # Series of attempts to detect a default label method for collection.
+  # config.collection_label_methods = [ :to_label, :name, :title, :to_s ]
+
+  # Series of attempts to detect a default value method for collection.
+  # config.collection_value_methods = [ :id, :to_s ]
+
+  # You can wrap a collection of radio/check boxes in a pre-defined tag, defaulting to none.
+  # config.collection_wrapper_tag = nil
+
+  # You can define the class to use on all collection wrappers. Defaulting to none.
+  # config.collection_wrapper_class = nil
+
+  # You can wrap each item in a collection of radio/check boxes with a tag,
+  # defaulting to :span.
+  # config.item_wrapper_tag = :span
+
+  # You can define a class to use in all item wrappers. Defaulting to none.
+  # config.item_wrapper_class = nil
+
+  # How the label text should be generated altogether with the required text.
+  # config.label_text = lambda { |label, required, explicit_label| "#{required} #{label}" }
+
+  # You can define the class to use on all labels. Default is nil.
+  # config.label_class = nil
+
+  # You can define the default class to be used on forms. Can be overriden
+  # with `html: { :class }`. Defaulting to none.
+  config.default_form_class = "pure-form"
+
+  # You can define which elements should obtain additional classes
+  # config.generate_additional_classes_for = [:wrapper, :label, :input]
+
+  # Whether attributes are required by default (or not). Default is true.
+  # config.required_by_default = true
+
+  # Tell browsers whether to use the native HTML5 validations (novalidate form option).
+  # These validations are enabled in SimpleForm's internal config but disabled by default
+  # in this configuration, which is recommended due to some quirks from different browsers.
+  # To stop SimpleForm from generating the novalidate option, enabling the HTML5 validations,
+  # change this configuration to true.
+  config.browser_validations = false
+
+  # Collection of methods to detect if a file type was given.
+  # config.file_methods = [ :mounted_as, :file?, :public_filename ]
+
+  # Custom mappings for input types. This should be a hash containing a regexp
+  # to match as key, and the input type that will be used when the field name
+  # matches the regexp as value.
+  # config.input_mappings = { /count/ => :integer }
+
+  # Custom wrappers for input types. This should be a hash containing an input
+  # type as key and the wrapper that will be used for all inputs with specified type.
+  # config.wrapper_mappings = { string: :prepend }
+
+  # Namespaces where SimpleForm should look for custom input classes that
+  # override default inputs.
+  # config.custom_inputs_namespaces << "CustomInputs"
+
+  # Default priority for time_zone inputs.
+  # config.time_zone_priority = nil
+
+  # Default priority for country inputs.
+  # config.country_priority = nil
+
+  # When false, do not use translations for labels.
+  # config.translate_labels = true
+
+  # Automatically discover new inputs in Rails' autoload path.
+  # config.inputs_discovery = true
+
+  # Cache SimpleForm inputs discovery
+  # config.cache_discovery = !Rails.env.development?
+
+  # Default class for inputs
+  # config.input_class = nil
+
+  # Define the default class of the input wrapper of the boolean input.
+  config.boolean_label_class = 'checkbox'
+
+  # Defines if the default input wrapper class should be included in radio
+  # collection wrappers.
+  # config.include_default_input_wrapper_class = true
+
+  # Defines which i18n scope will be used in Simple Form.
+  # config.i18n_scope = 'simple_form'
+end

config/locales/simple_form.en.yml

@@ -0,0 +1,31 @@
+en:
+  simple_form:
+    "yes": 'Yes'
+    "no": 'No'
+    required:
+      text: 'required'
+      mark: '*'
+      # You can uncomment the line below if you need to overwrite the whole required html.
+      # When using html, text and mark won't be used.
+      # html: '<abbr title="required">*</abbr>'
+    error_notification:
+      default_message: "Please review the problems below:"
+    # Examples
+    # labels:
+    #   defaults:
+    #     password: 'Password'
+    #   user:
+    #     new:
+    #       email: 'E-mail to sign in.'
+    #     edit:
+    #       email: 'E-mail.'
+    # hints:
+    #   defaults:
+    #     username: 'User name to sign in.'
+    #     password: 'No special characters, please.'
+    # include_blanks:
+    #   defaults:
+    #     age: 'Rather not say'
+    # prompts:
+    #   defaults:
+    #     age: 'Select your age'

db/migrate/20150908091546_create_transactions.rb

@@ -3,8 +3,8 @@ class CreateTransactions < ActiveRecord::Migration
     create_table :transactions do |t|
       t.references :debtor, index: true, null: false
       t.references :creditor, index: true, null: false
+      t.references :issuer, polymorphic: true, index: true, null: false
       t.integer :amount, null: false, default: 0
-      t.string :origin, null: false
       t.string :message
 
       t.timestamps null: false

db/schema.rb

@@ -26,8 +26,9 @@ ActiveRecord::Schema.define(version: 20150908092731) do
   create_table "transactions", force: :cascade do |t|
     t.integer  "debtor_id",               null: false
     t.integer  "creditor_id",             null: false
+    t.integer  "issuer_id",               null: false
+    t.string   "issuer_type",             null: false
     t.integer  "amount",      default: 0, null: false
-    t.string   "origin",                  null: false
     t.string   "message"
     t.datetime "created_at",              null: false
     t.datetime "updated_at",              null: false
@@ -35,6 +36,7 @@ ActiveRecord::Schema.define(version: 20150908092731) do
 
   add_index "transactions", ["creditor_id"], name: "index_transactions_on_creditor_id"
   add_index "transactions", ["debtor_id"], name: "index_transactions_on_debtor_id"
+  add_index "transactions", ["issuer_type", "issuer_id"], name: "index_transactions_on_issuer_type_and_issuer_id"
 
   create_table "users", force: :cascade do |t|
     t.string   "name"

lib/templates/haml/scaffold/_form.html.haml

@@ -0,0 +1,10 @@
+= simple_form_for(@<%= singular_table_name %>) do |f|
+  = f.error_notification
+
+  .form-inputs
+  <%- attributes.each do |attribute| -%>
+    = f.<%= attribute.reference? ? :association : :input %> :<%= attribute.name %>
+  <%- end -%>
+
+  .pure-controlls
+    = f.button :submit

spec/controllers/transactions_controller_spec.rb

@@ -1,5 +1,78 @@
 require 'rails_helper'
+require 'spec_helper'
 
 RSpec.describe TransactionsController, type: :controller do
+  describe "creating transaction" do
+    before :each do
+      @debtor = create(:user)
+      @creditor = create(:user)
+      sign_in @debtor
+    end
 
+    context "with valid attributes" do
+      before :each do
+        @attributes = { transaction: {
+          debtor: @debtor.name,
+          creditor: @creditor.name,
+          cents: 70,
+          message: 'hoi'
+        }}
+        post :create, @attributes
+        @transaction = Transaction.last
+      end
+
+      it "should create a new transaction" do
+        expect {post :create, @attributes}.to change {Transaction.count}.by(1)
+      end
+
+      it "should set debtor" do
+        expect(@transaction.debtor).to eq(@debtor)
+      end
+
+      it "should set amount" do
+        expect(@transaction.amount).to eq(70)
+      end
+
+      it "should set creditor" do
+        expect(@transaction.creditor).to eq(@creditor)
+      end
+
+      it "should set issuer" do
+        expect(@transaction.issuer).to eq(@debtor)
+      end
+    end
+
+    context "with float euros" do
+      it "should set correct amount" do
+        post :create, transaction: {
+          debtor: @debtor.name,
+          creditor: @creditor.name,
+          euros: 10.5,
+          message: "Omdat je een leuke jongen bent!"
+        }
+        expect(Transaction.last.amount).to eq(1050)
+      end
+    end
+
+    context "with negative amount" do
+      it "should be refused" do
+        expect do
+          post :create, transaction: attributes_for(:transaction, cents: -20)
+        end.not_to change {Transaction.count}
+      end
+    end
+
+    context "for other user" do
+      it "should be refused" do
+        expect do
+          post :create, transaction: {
+            debtor: @creditor.name,
+            creditor: @debtor.name,
+            euros: 10000000,
+            message: 'DIT IS OVERVAL'
+          }
+        end.not_to change {Transaction.count}
+      end
+    end
+  end
 end

spec/factories/transactions.rb

@@ -5,8 +5,9 @@
 #  id          :integer          not null, primary key
 #  debtor_id   :integer          not null
 #  creditor_id :integer          not null
+#  issuer_id   :integer          not null
+#  issuer_type :string           not null
 #  amount      :integer          default(0), not null
-#  origin      :string           not null
 #  message     :string
 #  created_at  :datetime         not null
 #  updated_at  :datetime         not null
@@ -16,8 +17,8 @@ FactoryGirl.define do
   factory :transaction do
     association :debtor, factory: :user
     association :creditor, factory: :user
+    issuer { debtor }
     amount { rand(100) }
-    origin 'FactoryGirl'
     message { Faker::Lorem.sentence }
   end
 end

spec/helpers/transactions_helper_spec.rb

@@ -11,5 +11,4 @@ require 'rails_helper'
 #   end
 # end
 RSpec.describe TransactionsHelper, type: :helper do
-  pending "add some examples to (or delete) #{__FILE__}"
 end

spec/helpers/users_helper_spec.rb

@@ -11,5 +11,4 @@ require 'rails_helper'
 #   end
 # end
 RSpec.describe UsersHelper, type: :helper do
-  pending "add some examples to (or delete) #{__FILE__}"
 end

spec/models/transaction_spec.rb

@@ -5,8 +5,9 @@
 #  id          :integer          not null, primary key
 #  debtor_id   :integer          not null
 #  creditor_id :integer          not null
+#  issuer_id   :integer          not null
+#  issuer_type :string           not null
 #  amount      :integer          default(0), not null
-#  origin      :string           not null
 #  message     :string
 #  created_at  :datetime         not null
 #  updated_at  :datetime         not null

spec/spec_helper.rb

@@ -1,3 +1,7 @@
+# Coveralls integrations
+require 'coveralls'
+Coveralls.wear!('rails')
+
 # This file was generated by the `rails generate rspec:install` command. Conventionally, all
 # specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
 # The generated `.rspec` file contains `--require spec_helper` which will cause
@@ -17,8 +21,10 @@
 #
 # See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
 require 'factory_girl'
+require 'devise'
 RSpec.configure do |config|
   config.include FactoryGirl::Syntax::Methods
+  config.include Devise::TestHelpers, type: :controller
   # rspec-expectations config goes here. You can use an alternate
   # assertion/expectation library such as wrong or the stdlib/minitest
   # assertions if you prefer.