Resolves #4 - Get with resources

cmd/get.go

@@ -2,44 +2,99 @@ package cmd
 
 import (
 	"fmt"
+	"github.com/elasticpath/epcc-cli/external/json"
+	"github.com/elasticpath/epcc-cli/external/resources"
 	"github.com/spf13/cobra"
 	"io/ioutil"
 	"log"
 	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
 	"time"
 )
 
 var get = &cobra.Command{
-	Use:   "get [resource]",
+	Use:   "get [RESOURCE] [ID_1] [ID_2]",
 	Short: "Retrieves a single resource.",
 	Args:  cobra.MinimumNArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
+		// Set up client to make requests
 		client := &http.Client{
 			Timeout: time.Second * 10,
 		}
-		req, err := http.NewRequest("GET", Envs.EPCC_API_BASE_URL+"/v2/"+args[0], nil)
+
+		// Find Resource
+		resource, ok := resources.Resources[args[0]]
+		if !ok {
+			return fmt.Errorf("Could not find resource %s", args[0])
+		}
+
+		var resourceURL string
+		var idCount int
+
+		if resource.GetCollectionInfo == nil && resource.GetEntityInfo == nil {
+			return fmt.Errorf("Resource %s doesn't support GET", args[0])
+		} else if resource.GetCollectionInfo != nil && resource.GetEntityInfo == nil {
+			resourceURL = resource.GetCollectionInfo.Url
+			idCount = strings.Count(resourceURL, "%")
+		} else if resource.GetCollectionInfo == nil && resource.GetEntityInfo != nil {
+			resourceURL = resource.GetEntityInfo.Url
+			idCount = strings.Count(resourceURL, "%")
+		} else {
+			// Count ids in get-collection
+			resourceURL := resource.GetCollectionInfo.Url
+			idCount = strings.Count(resourceURL, "%")
+
+			// Determine if call should be get-collection or get-entity
+			if (idCount-len(args)+1)%2 != 0 {
+				idCount += 1
+				resourceURL = resource.GetEntityInfo.Url
+			}
+		}
+
+		// Replace ids with args in resourceURL
+		for i := 1; i <= idCount; i++ {
+			resourceURL = strings.Replace(resourceURL, "%"+strconv.Itoa(i), args[i], 1)
+		}
+
+		// Add remaining args as query params
+		params := url.Values{}
+		for i := idCount + 1; i+1 < len(args); i = i + 2 {
+			params.Add(args[i], args[i+1])
+		}
+		resourceURL = resourceURL + "?" + params.Encode()
+		if (idCount-len(args)+1)%2 != 0 {
+			resourceURL = resourceURL + url.QueryEscape(args[len(args)-1])
+		}
+
+		// Create the GET request
+		req, err := http.NewRequest("GET", Envs.EPCC_API_BASE_URL+resourceURL, nil)
 		if err != nil {
 			return fmt.Errorf("Got error %s", err.Error())
 		}
 		req.Header.Set("user-agent", "golang application")
-		req.Header.Set("Authorization", "Bearer: Md8e3f817e7975c8d3e81ba2dd3b242472d1c91d6")
+		req.Header.Set("Authorization", "Bearer: 86afed525eab0255c8690223ce02b787707ed38a")
+
+		// Submit request
 		resp, err := client.Do(req)
 		if err != nil {
 			return fmt.Errorf("Got error %s", err.Error())
 		}
 		defer resp.Body.Close()
 
+		// Check if error response
 		if resp.StatusCode >= 400 && resp.StatusCode <= 600 {
 			return fmt.Errorf(resp.Status)
 		}
 
+		// Print the body
 		body, err := ioutil.ReadAll(resp.Body)
-
 		if err != nil {
 			log.Fatal(err)
 		}
 
-		fmt.Println(string(body))
+		json.PrintJson(string(body))
 
 		return nil
 	},