#103 request path params feature (#117)

client.go

@@ -95,6 +95,7 @@ type Client struct {
 	notParseResponse   bool
 	debugBodySizeLimit int64
 	logPrefix          string
+	pathParams         map[string]string
 	beforeRequest      []func(*Client, *Request) error
 	udBeforeRequest    []func(*Client, *Request) error
 	preReqHook         func(*Client, *Request) error
@@ -311,6 +312,7 @@ func (c *Client) R() *Request {
 		client:         c,
 		bodyBuf:        nil,
 		multipartFiles: []*File{},
+		pathParams:     make(map[string]string),
 	}
 
 	return r
@@ -719,6 +721,25 @@ func (c *Client) SetLogPrefix(prefix string) *Client {
 	return c
 }
 
+// SetPathParams method sets multiple URL path key-value pairs at one go in the
+// resty client instance.
+// 		resty.SetPathParams(map[string]string{
+// 		   "userId": "sample@sample.com",
+// 		   "subAccountId": "100002",
+// 		})
+//
+// 		Result:
+// 		   URL - /v1/users/{userId}/{subAccountId}/details
+// 		   Composed URL - /v1/users/sample@sample.com/100002/details
+// It replace the value of the key while composing request URL. Also it can be
+// overridden at request level Path Params options, see `Request.SetPathParams`.
+func (c *Client) SetPathParams(params map[string]string) *Client {
+	for p, v := range params {
+		c.pathParams[p] = v
+	}
+	return c
+}
+
 // IsProxySet method returns the true if proxy is set on client otherwise false.
 func (c *Client) IsProxySet() bool {
 	return c.proxyURL != nil

default.go

@@ -251,6 +251,12 @@ func SetDoNotParseResponse(parse bool) *Client {
 	return DefaultClient.SetDoNotParseResponse(parse)
 }
 
+// SetPathParams method sets the Request path parameter key-value pairs. See
+// `Client.SetPathParams` for more information.
+func SetPathParams(params map[string]string) *Client {
+	return DefaultClient.SetPathParams(params)
+}
+
 // IsProxySet method returns the true if proxy is set on client otherwise false.
 // See `Client.IsProxySet` for more information.
 func IsProxySet() bool {
@@ -284,9 +290,12 @@ func createClient(hc *http.Client) *Client {
 		JSONUnmarshal:      json.Unmarshal,
 		httpClient:         hc,
 		debugBodySizeLimit: math.MaxInt32,
-		logPrefix:          "RESTY ",
+		pathParams:         make(map[string]string),
 	}
 
+	// Log Prefix
+	c.SetLogPrefix("RESTY ")
+
 	// Default transport
 	c.SetTransport(&http.Transport{})
 

middleware.go

@@ -31,14 +31,13 @@ func parseRequestURL(c *Client, r *Request) error {
 		return err
 	}
 
+	// GitHub #103 Path Params
+	reqURL.Path = composeRequestURL(reqURL.Path, c, r)
+
 	// If Request.Url is relative path then added c.HostUrl into
 	// the request URL otherwise Request.Url will be used as-is
 	if !reqURL.IsAbs() {
-		if !strings.HasPrefix(r.URL, "/") {
-			r.URL = "/" + r.URL
-		}
-
-		reqURL, err = url.Parse(c.HostURL + r.URL)
+		reqURL, err = url.Parse(c.HostURL + reqURL.Path)
 		if err != nil {
 			return err
 		}

request.go

@@ -354,6 +354,25 @@ func (r *Request) SetDoNotParseResponse(parse bool) *Request {
 	return r
 }
 
+// SetPathParams method sets multiple URL path key-value pairs at one go in the
+// resty current request instance.
+// 		resty.R().SetPathParams(map[string]string{
+// 		   "userId": "sample@sample.com",
+// 		   "subAccountId": "100002",
+// 		})
+//
+// 		Result:
+// 		   URL - /v1/users/{userId}/{subAccountId}/details
+// 		   Composed URL - /v1/users/sample@sample.com/100002/details
+// It replace the value of the key while composing request URL. Also you can
+// override Path Params value, which was set at client instance level.
+func (r *Request) SetPathParams(params map[string]string) *Request {
+	for p, v := range params {
+		r.pathParams[p] = v
+	}
+	return r
+}
+
 // ExpectContentType method allows to provide fallback `Content-Type` for automatic unmarshalling
 // when `Content-Type` response header is unavailable.
 func (r *Request) ExpectContentType(contentType string) *Request {

request16.go

@@ -45,6 +45,7 @@ type Request struct {
 	multipartFiles      []*File
 	notParseResponse    bool
 	fallbackContentType string
+	pathParams          map[string]string
 }
 
 func (r *Request) addContextIfAvailable() {

request17.go

@@ -47,6 +47,7 @@ type Request struct {
 	notParseResponse    bool
 	ctx                 context.Context
 	fallbackContentType string
+	pathParams          map[string]string
 }
 
 // SetContext method sets the context.Context for current Request. It allows