Add GetReviewers & GetAssignees (#534)

close #525

Reviewed-on: https://gitea.com/gitea/go-sdk/pulls/534
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Reviewed-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-committed-by: 6543 <6543@obermui.de>

gitea/repo_collaborator.go

@@ -1,3 +1,4 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
 // Copyright 2016 The Gogs Authors. All rights reserved.
 // Use of this source code is governed by a MIT-style
 // license that can be found in the LICENSE file.
@@ -107,3 +108,29 @@ func (c *Client) DeleteCollaborator(user, repo, collaborator string) (*Response,
 		fmt.Sprintf("/repos/%s/%s/collaborators/%s", user, repo, collaborator), nil, nil)
 	return resp, err
 }
+
+// GetReviewers return all users that can be requested to review in this repo
+func (c *Client) GetReviewers(user, repo string) ([]*User, *Response, error) {
+	if err := c.checkServerVersionGreaterThanOrEqual(version1_15_0); err != nil {
+		return nil, nil, err
+	}
+	if err := escapeValidatePathSegments(&user, &repo); err != nil {
+		return nil, nil, err
+	}
+	reviewers := make([]*User, 0, 5)
+	resp, err := c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/reviewers", user, repo), nil, nil, &reviewers)
+	return reviewers, resp, err
+}
+
+// GetAssignees return all users that have write access and can be assigned to issues
+func (c *Client) GetAssignees(user, repo string) ([]*User, *Response, error) {
+	if err := c.checkServerVersionGreaterThanOrEqual(version1_15_0); err != nil {
+		return nil, nil, err
+	}
+	if err := escapeValidatePathSegments(&user, &repo); err != nil {
+		return nil, nil, err
+	}
+	assignees := make([]*User, 0, 5)
+	resp, err := c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/assignees", user, repo), nil, nil, &assignees)
+	return assignees, resp, err
+}

gitea/repo_collaborator_test.go

@@ -0,0 +1,59 @@
+// Copyright 2021 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 TestRepoCollaborator(t *testing.T) {
+	log.Println("== TestRepoCollaborator ==")
+	c := newTestClient()
+
+	repo, _ := createTestRepo(t, "RepoCollaborators", c)
+	createTestUser(t, "ping", c)
+	createTestUser(t, "pong", c)
+	defer c.AdminDeleteUser("ping")
+	defer c.AdminDeleteUser("pong")
+
+	collaborators, _, err := c.ListCollaborators(repo.Owner.UserName, repo.Name, ListCollaboratorsOptions{})
+	assert.NoError(t, err)
+	assert.Len(t, collaborators, 0)
+
+	mode := AccessModeAdmin
+	resp, err := c.AddCollaborator(repo.Owner.UserName, repo.Name, "ping", AddCollaboratorOption{Permission: &mode})
+	assert.NoError(t, err)
+	assert.EqualValues(t, 204, resp.StatusCode)
+
+	mode = AccessModeRead
+	_, err = c.AddCollaborator(repo.Owner.UserName, repo.Name, "pong", AddCollaboratorOption{Permission: &mode})
+	assert.NoError(t, err)
+
+	collaborators, _, err = c.ListCollaborators(repo.Owner.UserName, repo.Name, ListCollaboratorsOptions{})
+	assert.NoError(t, err)
+	assert.Len(t, collaborators, 2)
+	assert.EqualValues(t, []string{"ping", "pong"}, userToStringSlice(collaborators))
+
+	reviewers, _, err := c.GetReviewers(repo.Owner.UserName, repo.Name)
+	assert.NoError(t, err)
+	assert.Len(t, reviewers, 2)
+	assert.EqualValues(t, []string{"ping", "pong"}, userToStringSlice(reviewers))
+
+	assignees, _, err := c.GetAssignees(repo.Owner.UserName, repo.Name)
+	assert.NoError(t, err)
+	assert.Len(t, assignees, 2)
+	assert.EqualValues(t, []string{"ping", "test01"}, userToStringSlice(assignees))
+
+	resp, err = c.DeleteCollaborator(repo.Owner.UserName, repo.Name, "ping")
+	assert.NoError(t, err)
+	assert.EqualValues(t, 204, resp.StatusCode)
+
+	collaborators, _, err = c.ListCollaborators(repo.Owner.UserName, repo.Name, ListCollaboratorsOptions{})
+	assert.NoError(t, err)
+	assert.Len(t, collaborators, 1)
+}

gitea/user_test.go

@@ -206,3 +206,12 @@ func createTestUser(t *testing.T, username string, client *Client) *User {
 	assert.NoError(t, err)
 	return user
 }
+
+// userToStringSlice return string slice based on UserName of users
+func userToStringSlice(users []*User) []string {
+	result := make([]string, 0, len(users))
+	for i := range users {
+		result = append(result, users[i].UserName)
+	}
+	return result
+}