Initial commit

src/currencyservice/.dockerignore

@@ -0,0 +1 @@
+node_modules/

src/currencyservice/.gitignore

@@ -0,0 +1 @@
+node_modules/

src/currencyservice/Dockerfile

@@ -0,0 +1,7 @@
+FROM node:8
+WORKDIR /usr/src/app
+COPY package*.json ./
+RUN npm install --only=production
+COPY . .
+EXPOSE 31337
+CMD [ "node", "server.js" ]

src/currencyservice/client.js

@@ -0,0 +1,47 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+const path = require('path');
+const grpc = require('grpc');
+
+const PROTO_PATH = path.join(__dirname, './proto/currency_service.proto');
+const PORT = 31337;
+
+const shopProto = grpc.load(PROTO_PATH).hipstershop;
+const client = new shopProto.CurrencyService(`localhost:${PORT}`,
+  grpc.credentials.createInsecure());
+
+const request = {
+  from: {
+    currency_code: 'USD',
+    amount: {
+      decimal: 300,
+      fractional: 0
+    }
+  },
+  to_code: 'CHF'
+};
+
+client.convert(request, function (err, response) {
+  if (err) {
+    console.error(err);
+  } else {
+    const amount = response.amount;
+    console.log(`OUTPUT: ${amount.decimal}.${amount.fractional}`);
+  }
+});

src/currencyservice/currency_service.proto

@@ -0,0 +1,29 @@
+syntax = "proto3";
+package hipstershop;
+
+message Empty {}
+
+service CurrencyService {
+    rpc GetSupportedCurrencies(Empty) returns (GetSupportedCurrenciesResponse) {}
+    rpc Convert(CurrencyConversionRequest) returns (Money) {}
+}
+// Describes a money amount without currency. For example, decimal=2 and
+// fractional=500 (or fractional=5) makes up 2.5 units.
+message MoneyAmount {
+    uint32 decimal = 1;
+    uint32 fractional = 2;
+}
+message Money {
+    // The 3-letter currency code defined in ISO 4217.
+    string currency_code = 1;
+    MoneyAmount amount = 2;
+}
+message GetSupportedCurrenciesResponse {
+    // The 3-letter currency code defined in ISO 4217.
+    repeated string currency_codes = 1;
+}
+message CurrencyConversionRequest {
+    Money from = 1;
+    // The 3-letter currency code defined in ISO 4217.
+    string to_code = 2;
+}