Add Create/Get/Delete for oauth2 apps (#305)

Add Create/Get/Delete for oauth2 apps

  Add Create, List, and Delete for Oauth2 applications.
  Tests were added as well.

Co-authored-by: Dan Molik <dan@danmolik.com>
Reviewed-on: https://gitea.com/gitea/go-sdk/pulls/305
Reviewed-by: techknowlogick <techknowlogick@gitea.io>
Reviewed-by: 6543 <6543@noreply.gitea.io>

gitea/oauth2.go

@@ -0,0 +1,65 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// Oauth2 represents an Oauth2 Application
+type Oauth2 struct {
+	ID           int64     `json:"id"`
+	Name         string    `json:"name"`
+	ClientID     string    `json:"client_id"`
+	ClientSecret string    `json:"client_secret"`
+	RedirectURIs []string  `json:"redirect_uris"`
+	Created      time.Time `json:"created"`
+}
+
+// ListOauth2Option for listing Oauth2 Applications
+type ListOauth2Option struct {
+	ListOptions
+}
+
+// CreateOauth2Option required options for creating an Application
+type CreateOauth2Option struct {
+	Name         string    `json:"name"`
+	RedirectURIs []string  `json:"redirect_uris"`
+}
+
+// CreateOauth2 create an Oauth2 Application and returns a completed Oauth2 object.
+func (c *Client) CreateOauth2(opt CreateOauth2Option) (*Oauth2, error) {
+	if e := c.CheckServerVersionConstraint(">=1.12.0"); e != nil {
+		return nil, e
+	}
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, err
+	}
+	oauth := new(Oauth2)
+	return oauth, c.getParsedResponse("POST", "/user/applications/oauth2", jsonHeader, bytes.NewReader(body), oauth)
+}
+
+// ListOauth2 all of your Oauth2 Applications.
+func (c *Client) ListOauth2(opt ListOauth2Option) ([]*Oauth2, error) {
+	if e := c.CheckServerVersionConstraint(">=1.12.0"); e != nil {
+		return nil, e
+	}
+	opt.setDefaults()
+	oauth2s := make([]*Oauth2, 0, opt.PageSize)
+	return oauth2s, c.getParsedResponse("GET", fmt.Sprintf("/user/applications/oauth2?%s", opt.getURLQuery().Encode()), nil, nil, &oauth2s)
+}
+
+// DeleteOauth2 delete an Oauth2 application by name
+func (c *Client) DeleteOauth2(oauth2id int64)  error {
+	if e := c.CheckServerVersionConstraint(">=1.12.0"); e != nil {
+		return e
+	}
+	_, err := c.getResponse("DELETE", fmt.Sprintf("/user/applications/oauth2/%d", oauth2id), nil, nil)
+	return err
+}

gitea/oauth2_test.go

@@ -0,0 +1,32 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"log"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestOauth2(t *testing.T) {
+	log.Println("== TestOauth2Application ==")
+	c := newTestClient()
+
+	user := createTestUser(t, "oauth2_user", c)
+	c.SetSudo(user.UserName)
+
+	newApp, err := c.CreateOauth2(CreateOauth2Option{Name: "test", RedirectURIs: []string{"http://test/test",}})
+	assert.NoError(t, err)
+	assert.NotNil(t, newApp)
+	assert.EqualValues(t, "test", newApp.Name)
+
+	a, err := c.ListOauth2(ListOauth2Option{})
+	assert.NoError(t, err)
+	assert.Len(t, a, 1)
+	assert.EqualValues(t, newApp.Name, a[0].Name)
+
+	assert.NoError(t, c.DeleteOauth2(newApp.ID))
+}