From a1d54f563d0473024dc0fab24568175fa5778252 Mon Sep 17 00:00:00 2001
From: 178inaba <178inaba@users.noreply.github.com>
Date: Thu, 13 Apr 2017 21:45:44 +0900
Subject: [PATCH 1/2] Add a application registration

---
 mastodon.go | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/mastodon.go b/mastodon.go
index 7932408..35264fa 100644
--- a/mastodon.go
+++ b/mastodon.go
@@ -116,3 +116,70 @@ func (c *client) GetTimeline(path string) ([]Timeline, error) {
 	}
 	return timeline, nil
 }
+
+type AppConfig struct {
+	Server     string
+	ClientName string
+
+	// Where the user should be redirected after authorization (for no redirect, use urn:ietf:wg:oauth:2.0:oob)
+	RedirectURIs string
+
+	// This can be a space-separated list of the following items: "read", "write" and "follow".
+	Scopes string
+
+	// Optional.
+	Website string
+}
+
+type appClient struct {
+	http.Client
+	appConfig *AppConfig
+}
+
+// NewAppClient returns a new AppClient.
+func NewAppClient(appConfig *AppConfig) *appClient {
+	return &appClient{
+		Client:    *http.DefaultClient,
+		appConfig: appConfig,
+	}
+}
+
+// App is mastodon app.
+type App struct {
+	ID           int    `json:"id"`
+	RedirectURI  string `json:"redirect_uri"`
+	ClientID     string `json:"client_id"`
+	ClientSecret string `json:"client_secret"`
+}
+
+func (c *appClient) RegistrationApp() (*App, error) {
+	params := url.Values{}
+	params.Set("client_name", c.appConfig.ClientName)
+	params.Set("redirect_uris", c.appConfig.RedirectURIs)
+	params.Set("scopes", c.appConfig.Scopes)
+	params.Set("website", c.appConfig.Website)
+
+	url, err := url.Parse(c.appConfig.Server)
+	if err != nil {
+		return nil, err
+	}
+	url.Path = "/api/v1/apps"
+
+	req, err := http.NewRequest("POST", url.String(), strings.NewReader(params.Encode()))
+	if err != nil {
+		return nil, err
+	}
+	resp, err := c.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	app := &App{}
+	err = json.NewDecoder(resp.Body).Decode(app)
+	if err != nil {
+		return nil, err
+	}
+
+	return app, nil
+}

From 45acfc9ca12549651a9f9e0aefe3760fa4edb053 Mon Sep 17 00:00:00 2001
From: 178inaba <178inaba@users.noreply.github.com>
Date: Fri, 14 Apr 2017 00:12:04 +0900
Subject: [PATCH 2/2] Fix application register func to simple

---
 mastodon.go | 36 +++++++++++++-----------------------
 1 file changed, 13 insertions(+), 23 deletions(-)

diff --git a/mastodon.go b/mastodon.go
index 35264fa..7f1c878 100644
--- a/mastodon.go
+++ b/mastodon.go
@@ -117,7 +117,9 @@ func (c *client) GetTimeline(path string) ([]Timeline, error) {
 	return timeline, nil
 }
 
+// AppConfig is a setting for registering applications.
 type AppConfig struct {
+	http.Client
 	Server     string
 	ClientName string
 
@@ -131,35 +133,23 @@ type AppConfig struct {
 	Website string
 }
 
-type appClient struct {
-	http.Client
-	appConfig *AppConfig
-}
-
-// NewAppClient returns a new AppClient.
-func NewAppClient(appConfig *AppConfig) *appClient {
-	return &appClient{
-		Client:    *http.DefaultClient,
-		appConfig: appConfig,
-	}
-}
-
-// App is mastodon app.
-type App struct {
+// Application is mastodon application.
+type Application struct {
 	ID           int    `json:"id"`
 	RedirectURI  string `json:"redirect_uri"`
 	ClientID     string `json:"client_id"`
 	ClientSecret string `json:"client_secret"`
 }
 
-func (c *appClient) RegistrationApp() (*App, error) {
+// RegisterApp returns the mastodon application.
+func RegisterApp(appConfig *AppConfig) (*Application, error) {
 	params := url.Values{}
-	params.Set("client_name", c.appConfig.ClientName)
-	params.Set("redirect_uris", c.appConfig.RedirectURIs)
-	params.Set("scopes", c.appConfig.Scopes)
-	params.Set("website", c.appConfig.Website)
+	params.Set("client_name", appConfig.ClientName)
+	params.Set("redirect_uris", appConfig.RedirectURIs)
+	params.Set("scopes", appConfig.Scopes)
+	params.Set("website", appConfig.Website)
 
-	url, err := url.Parse(c.appConfig.Server)
+	url, err := url.Parse(appConfig.Server)
 	if err != nil {
 		return nil, err
 	}
@@ -169,13 +159,13 @@ func (c *appClient) RegistrationApp() (*App, error) {
 	if err != nil {
 		return nil, err
 	}
-	resp, err := c.Do(req)
+	resp, err := appConfig.Do(req)
 	if err != nil {
 		return nil, err
 	}
 	defer resp.Body.Close()
 
-	app := &App{}
+	app := &Application{}
 	err = json.NewDecoder(resp.Body).Decode(app)
 	if err != nil {
 		return nil, err