Add convert for single provider with get route, Update readme

Author: meabed

README.md

@@ -24,6 +24,15 @@ and optionally cache the results.
     <img height="64" src="https://image.ibb.co/hvWT2U/go_swap_server_heroku.png" alt="heroku test instance @ https://go-swap-server.herokuapp.com">
 </a>
 
+##### /GET Examples:
+- [GET /convert?from=USD&to=AED&amount=2&exchanger=yahoo](https://go-swap-server.herokuapp.com/convert?from=USD&to=AED&amount=100&exchanger=yahoo) 
+- [GET /convert?from=EUR&to=GPB&amount=1&exchanger=google](https://go-swap-server.herokuapp.com/convert?from=EUR&to=GPB&amount=100&exchanger=google)
+- [GET /convert?from=EUR&to=GPB&amount=1&exchanger=themoneyconverter](https://go-swap-server.herokuapp.com/convert?from=EUR&to=GPB&amount=100&exchanger=themoneyconverter)
+
+##### /POST Examples:
+```bash
+
+```
 
 ## QuickStart 
 
@@ -97,13 +106,14 @@ The documentation for the current branch can be found [here](#documentation).
 - [x] herokuapp demo
 - [x] swagger ui
 - [x] examples
+- [x] code coverage
+- [x] get routes for single provider
 - [ ] increase tests
 - [ ] goreleaser
 - [ ] verbose logging
 - [ ] cli convert google GET without payload to be used in binary image 
 - [ ] cli convert yahoo GET without payload 
 - [ ] godoc 
-- [ ] code coverage
 - [ ] static bundle public folder `./cmd/server/public`
 - [ ] v 1.0.0 release ( docker / binary github / homebrew mac )
 - [ ] Benchmark & Performance optimization ` memory leak`

cmd/server/convert.go

@@ -1,11 +1,13 @@
 package main
 
 import (
+	"bytes"
 	"crypto/md5"
 	"encoding/json"
 	"fmt"
 	ex "github.com/me-io/go-swap/pkg/exchanger"
 	"github.com/me-io/go-swap/pkg/swap"
+	"io/ioutil"
 	"math"
 	"net/http"
 	"time"
@@ -25,6 +27,46 @@ func (c convertReqObj) Hash() string {
 }
 
 var Convert = func(w http.ResponseWriter, r *http.Request) {
+	if r.Method == "POST" {
+		ConvertPost(w, r)
+	}
+	if r.Method == "GET" {
+		ConvertGet(w, r)
+	}
+}
+
+var ConvertGet = func(w http.ResponseWriter, r *http.Request) {
+
+	query := r.URL.Query()
+	apiKey := query.Get("apiKey")
+	exchanger := query.Get("exchanger")
+	amount := query.Get("amount")
+	from := query.Get("from")
+	to := query.Get("to")
+	cacheTime := query.Get("cacheTime")
+
+	payload := fmt.Sprintf(`{
+  "amount": %s,
+  "exchanger": [
+    {
+      "name": "%s",
+      "apiKey": "%s"
+    }
+  ],
+  "from": "%s",
+  "to": "%s",
+  "cacheTime":"%s"
+}`, amount, exchanger, apiKey, from, to, cacheTime)
+
+	fmt.Println(payload)
+	bytePayload := []byte(payload)
+	bytePayloadReader := bytes.NewReader(bytePayload)
+
+	r.Body = ioutil.NopCloser(bytePayloadReader)
+	ConvertPost(w, r)
+}
+
+var ConvertPost = func(w http.ResponseWriter, r *http.Request) {
 
 	convertReq := &convertReqObj{}
 
@@ -92,7 +134,7 @@ var Convert = func(w http.ResponseWriter, r *http.Request) {
 		convertRes.From = convertReq.From
 		convertRes.To = convertReq.To
 		convertRes.ExchangeValue = rate.GetValue()
-		convertRes.DateTime = rate.GetDateTime()
+		convertRes.RateDateTime = rate.GetDateTime()
 		convertRes.ExchangerName = rate.GetExchangerName()
 		convertRes.RateFromCache = false
 

cmd/server/convert_test.go

@@ -109,7 +109,7 @@ func TestConvertObj_Convert(t *testing.T) {
 		r := &http.Request{}
 		r.Body = ioutil.NopCloser(bytePayloadReader)
 
-		Convert(w, r)
+		ConvertPost(w, r)
 		assert.Contains(t, testResponse, expectedName[k])
 		assert.Contains(t, testResponse, expectedRateCache[k])
 	}

cmd/server/public/swagger/swagger.yml

@@ -125,15 +125,15 @@ definitions:
         type: "number"
         format: "float"
         example: 27.5814
-      ConvertedText:
+      convertedText:
         type: "string"
         example: "1 USD is worth 3.675 AED"
-      dateTime:
-        type: "string"
-        example: "2018-09-25T12:17:17Z"
       exchangerName:
         type: "string"
         example: "google"
+      rateDateTime:
+        type: "string"
+        example: "2018-09-25T12:17:17Z"
       rateFromCache:
         type: "boolean"
         example: false

cmd/server/types.go

@@ -23,12 +23,12 @@ type convertReqObj struct {
 type convertResObj struct {
 	From            string  `json:"from"`
 	To              string  `json:"to"`
-	OriginalAmount  float64 `json:"originalAmount"`
+	ExchangerName   string  `json:"exchangerName"`
 	ExchangeValue   float64 `json:"exchangeValue"`
+	OriginalAmount  float64 `json:"originalAmount"`
 	ConvertedAmount float64 `json:"convertedAmount"`
 	ConvertedText   string  `json:"convertedText"`
-	DateTime        string  `json:"dateTime"`
-	ExchangerName   string  `json:"exchangerName"`
+	RateDateTime    string  `json:"rateDateTime"`
 	RateFromCache   bool    `json:"rateFromCache"`
 }