Add API v1 finance_overview endpoint

spec/api/v1/swagger_spec.rb

@@ -27,6 +27,16 @@ describe 'API v1', type: :apivore, order: :defined do
       it_handles_invalid_token_and_scope(:get, '/user')
     end
 
+    context 'user/financial_overview' do
+      let(:api_scopes) { ['finance:user'] }
+      let!(:user) { create :user, :ordergroup }
+
+      it { is_expected.to validate(:get, '/user/financial_overview', 200, api_auth) }
+      it { is_expected.to validate(:get, '/user/financial_overview', 401) }
+
+      it_handles_invalid_token_and_scope(:get, '/user/financial_overview')
+    end
+
     context 'user/financial_transactions' do
       let(:api_scopes) { ['finance:user'] }
       let(:other_user) { create :user, :ordergroup }

spec/api/v1/user/ordergroup_spec.rb

@@ -0,0 +1,55 @@
+require 'spec_helper'
+
+describe Api::V1::User::OrdergroupController, type: :controller do
+  include ApiOAuth
+  let(:user) { create :user, :ordergroup }
+  let(:api_scopes) { ['finance:user'] }
+
+  let(:ftc1) { create :financial_transaction_class }
+  let(:ftc2) { create :financial_transaction_class }
+  let(:ftt1) { create :financial_transaction_type, financial_transaction_class: ftc1 }
+  let(:ftt2) { create :financial_transaction_type, financial_transaction_class: ftc2 }
+  let(:ftt3) { create :financial_transaction_type, financial_transaction_class: ftc2 }
+
+  describe "GET :financial_overview" do
+    let(:order) { create(:order, article_count: 1) }
+    let(:oa_1) { order.order_articles.first }
+
+    let!(:go) { create(:group_order, order: order, ordergroup: user.ordergroup) }
+    let!(:goa) { create(:group_order_article, group_order: go, order_article: oa_1, quantity: 1, tolerance: 0) }
+    before { go.update_price!; user.ordergroup.update_stats! }
+
+    let(:json_financial_overview) { json_response['financial_overview'] }
+
+    before do
+      og = user.ordergroup
+      og.add_financial_transaction!(-1, '-1', user, ftt1)
+      og.add_financial_transaction!(2, '2', user, ftt1)
+      og.add_financial_transaction!(3, '3', user, ftt1)
+
+      og.add_financial_transaction!(-10, '-10', user, ftt2)
+      og.add_financial_transaction!(20, '20', user, ftt2)
+      og.add_financial_transaction!(30, '30', user, ftt2)
+
+      og.add_financial_transaction!(-100, '-100', user, ftt3)
+      og.add_financial_transaction!(200, '200', user, ftt3)
+      og.add_financial_transaction!(300, '300', user, ftt3)
+    end
+
+    it "returns correct values" do
+      get :financial_overview, params: { foodcoop: 'f' }
+      expect(json_financial_overview['account_balance']).to eq 444
+      expect(json_financial_overview['available_funds']).to eq 444 - go.price
+
+      ftcs = Hash[ json_financial_overview['financial_transaction_class_sums'].map { |x| [x['id'], x] } ]
+
+      ftcs1 = ftcs[ftc1.id]
+      expect(ftcs1['name']).to eq ftc1.name
+      expect(ftcs1['amount']).to eq 4
+
+      ftcs2 = ftcs[ftc2.id]
+      expect(ftcs2['name']).to eq ftc2.name
+      expect(ftcs2['amount']).to eq 440
+    end
+  end
+end