[golang] fixed golang api client design mistakes

golang/pkg/api/client.go

@@ -4,25 +4,30 @@ import (
 	"container/heap"
 	"context"
 	"net/http"
+	"net/url"
 	"time"
 )
 
 type Client struct {
-	baseURL    string
-	channel    chan *Request
-	ctx        context.Context
-	headers    *http.Header
-	httpClient *http.Client
-	pq         *PriorityQueue
+	baseURI         *url.URL
+	requestsChannel chan *Request
+	ctx             context.Context
+	headers         *http.Header
+	httpClient      *http.Client
+	pq              *PriorityQueue
 }
 
 func NewClient(ctx context.Context) *Client {
+	baseURI, err := url.Parse("https://api.spacetraders.io/v2/")
+	if err != nil {
+		panic("baseURI failed to parse")
+	}
 	pq := make(PriorityQueue, 0)
 	heap.Init(&pq)
 	client := &Client{
-		baseURL: "https://api.spacetraders.io/v2",
-		channel: make(chan *Request),
-		ctx:     ctx,
+		baseURI:         baseURI,
+		requestsChannel: make(chan *Request),
+		ctx:             ctx,
 		headers: &http.Header{
 			"Content-Type": {"application/json"},
 		},
@@ -36,40 +41,9 @@ func NewClient(ctx context.Context) *Client {
 }
 
 func (c *Client) Close() {
-	close(c.channel)
+	close(c.requestsChannel)
 }
 
 func (c *Client) SetToken(token string) {
 	c.headers.Set("Authorization", "Bearer "+token)
 }
-
-func queueProcessor(client *Client) {
-	var ok bool
-	for {
-		// The queue is empty so we do this blocking call
-		req := <-client.channel
-		heap.Push(client.pq, req)
-		// we enqueue all values read from the channel and process the queue's
-		// contents until empty. We keep reading the channel as long as this
-		// emptying goes on
-		for {
-			select {
-			case req = <-client.channel:
-				heap.Push(client.pq, req)
-			default:
-				if client.pq.Len() == 0 {
-					break
-				}
-				// we process one
-				if req, ok = heap.Pop(client.pq).(*Request); !ok {
-					panic("queueProcessor got something other than a Request on its channel")
-				}
-				response, err := client.sendOne(req.method, req.path, req.payload)
-				req.resp <- &Response{
-					Response: response,
-					Err:      err,
-				}
-			}
-		}
-	}
-}