Improve migrations to support migrating milestones/labels/issues/comments/pullrequests (#6290)

* add migrations

* fix package dependency

* fix lints

* implements migrations except pull requests

* add releases

* migrating releases

* fix bug

* fix lint

* fix migrate releases

* fix tests

* add rollback

* pull request migtations

* fix import

* fix go module vendor

* add tests for upload to gitea

* more migrate options

* fix swagger-check

* fix misspell

* add options on migration UI

* fix log error

* improve UI options on migrating

* add support for username password when migrating from github

* fix tests

* remove comments and fix migrate limitation

* improve error handles

* migrate API will also support migrate milestones/labels/issues/pulls/releases

* fix tests and remove unused codes

* add DownloaderFactory and docs about how to create a new Downloader

* fix misspell

* fix migration docs

* Add hints about migrate options on migration page

* fix tests

1 files changed, 377 insertions, 0 deletions

diff --git a/vendor/github.com/google/go-github/v24/github/reactions.go b/vendor/github.com/google/go-github/v24/github/reactions.go
new file mode 100644
index 0000000000..0865f8cdca
--- /dev/null
+++ b/vendor/github.com/google/go-github/v24/github/reactions.go
@@ -0,0 +1,377 @@
+// Copyright 2016 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package github
+
+import (
+	"context"
+	"fmt"
+)
+
+// ReactionsService provides access to the reactions-related functions in the
+// GitHub API.
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/
+type ReactionsService service
+
+// Reaction represents a GitHub reaction.
+type Reaction struct {
+	// ID is the Reaction ID.
+	ID     *int64  `json:"id,omitempty"`
+	User   *User   `json:"user,omitempty"`
+	NodeID *string `json:"node_id,omitempty"`
+	// Content is the type of reaction.
+	// Possible values are:
+	//     "+1", "-1", "laugh", "confused", "heart", "hooray".
+	Content *string `json:"content,omitempty"`
+}
+
+// Reactions represents a summary of GitHub reactions.
+type Reactions struct {
+	TotalCount *int    `json:"total_count,omitempty"`
+	PlusOne    *int    `json:"+1,omitempty"`
+	MinusOne   *int    `json:"-1,omitempty"`
+	Laugh      *int    `json:"laugh,omitempty"`
+	Confused   *int    `json:"confused,omitempty"`
+	Heart      *int    `json:"heart,omitempty"`
+	Hooray     *int    `json:"hooray,omitempty"`
+	URL        *string `json:"url,omitempty"`
+}
+
+func (r Reaction) String() string {
+	return Stringify(r)
+}
+
+// ListCommentReactions lists the reactions for a commit comment.
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#list-reactions-for-a-commit-comment
+func (s *ReactionsService) ListCommentReactions(ctx context.Context, owner, repo string, id int64, opt *ListOptions) ([]*Reaction, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/comments/%v/reactions", owner, repo, id)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept headers when APIs fully launch.
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	var m []*Reaction
+	resp, err := s.client.Do(ctx, req, &m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// CreateCommentReaction creates a reaction for a commit comment.
+// Note that if you have already created a reaction of type content, the
+// previously created reaction will be returned with Status: 200 OK.
+// The content should have one of the following values: "+1", "-1", "laugh", "confused", "heart", "hooray".
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#create-reaction-for-a-commit-comment
+func (s ReactionsService) CreateCommentReaction(ctx context.Context, owner, repo string, id int64, content string) (*Reaction, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/comments/%v/reactions", owner, repo, id)
+
+	body := &Reaction{Content: String(content)}
+	req, err := s.client.NewRequest("POST", u, body)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept headers when APIs fully launch.
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	m := &Reaction{}
+	resp, err := s.client.Do(ctx, req, m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// ListIssueReactions lists the reactions for an issue.
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#list-reactions-for-an-issue
+func (s *ReactionsService) ListIssueReactions(ctx context.Context, owner, repo string, number int, opt *ListOptions) ([]*Reaction, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/issues/%v/reactions", owner, repo, number)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept headers when APIs fully launch.
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	var m []*Reaction
+	resp, err := s.client.Do(ctx, req, &m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// CreateIssueReaction creates a reaction for an issue.
+// Note that if you have already created a reaction of type content, the
+// previously created reaction will be returned with Status: 200 OK.
+// The content should have one of the following values: "+1", "-1", "laugh", "confused", "heart", "hooray".
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#create-reaction-for-an-issue
+func (s ReactionsService) CreateIssueReaction(ctx context.Context, owner, repo string, number int, content string) (*Reaction, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/issues/%v/reactions", owner, repo, number)
+
+	body := &Reaction{Content: String(content)}
+	req, err := s.client.NewRequest("POST", u, body)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept headers when APIs fully launch.
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	m := &Reaction{}
+	resp, err := s.client.Do(ctx, req, m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// ListIssueCommentReactions lists the reactions for an issue comment.
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#list-reactions-for-an-issue-comment
+func (s *ReactionsService) ListIssueCommentReactions(ctx context.Context, owner, repo string, id int64, opt *ListOptions) ([]*Reaction, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/issues/comments/%v/reactions", owner, repo, id)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept headers when APIs fully launch.
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	var m []*Reaction
+	resp, err := s.client.Do(ctx, req, &m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// CreateIssueCommentReaction creates a reaction for an issue comment.
+// Note that if you have already created a reaction of type content, the
+// previously created reaction will be returned with Status: 200 OK.
+// The content should have one of the following values: "+1", "-1", "laugh", "confused", "heart", "hooray".
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#create-reaction-for-an-issue-comment
+func (s ReactionsService) CreateIssueCommentReaction(ctx context.Context, owner, repo string, id int64, content string) (*Reaction, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/issues/comments/%v/reactions", owner, repo, id)
+
+	body := &Reaction{Content: String(content)}
+	req, err := s.client.NewRequest("POST", u, body)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept headers when APIs fully launch.
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	m := &Reaction{}
+	resp, err := s.client.Do(ctx, req, m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// ListPullRequestCommentReactions lists the reactions for a pull request review comment.
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#list-reactions-for-an-issue-comment
+func (s *ReactionsService) ListPullRequestCommentReactions(ctx context.Context, owner, repo string, id int64, opt *ListOptions) ([]*Reaction, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/pulls/comments/%v/reactions", owner, repo, id)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept headers when APIs fully launch.
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	var m []*Reaction
+	resp, err := s.client.Do(ctx, req, &m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// CreatePullRequestCommentReaction creates a reaction for a pull request review comment.
+// Note that if you have already created a reaction of type content, the
+// previously created reaction will be returned with Status: 200 OK.
+// The content should have one of the following values: "+1", "-1", "laugh", "confused", "heart", "hooray".
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#create-reaction-for-an-issue-comment
+func (s ReactionsService) CreatePullRequestCommentReaction(ctx context.Context, owner, repo string, id int64, content string) (*Reaction, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/pulls/comments/%v/reactions", owner, repo, id)
+
+	body := &Reaction{Content: String(content)}
+	req, err := s.client.NewRequest("POST", u, body)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept headers when APIs fully launch.
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	m := &Reaction{}
+	resp, err := s.client.Do(ctx, req, m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// ListTeamDiscussionReactions lists the reactions for a team discussion.
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#list-reactions-for-a-team-discussion
+func (s *ReactionsService) ListTeamDiscussionReactions(ctx context.Context, teamID int64, discussionNumber int, opt *ListOptions) ([]*Reaction, *Response, error) {
+	u := fmt.Sprintf("teams/%v/discussions/%v/reactions", teamID, discussionNumber)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	var m []*Reaction
+	resp, err := s.client.Do(ctx, req, &m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// CreateTeamDiscussionReaction creates a reaction for a team discussion.
+// The content should have one of the following values: "+1", "-1", "laugh", "confused", "heart", "hooray".
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#create-reaction-for-a-team-discussion
+func (s *ReactionsService) CreateTeamDiscussionReaction(ctx context.Context, teamID int64, discussionNumber int, content string) (*Reaction, *Response, error) {
+	u := fmt.Sprintf("teams/%v/discussions/%v/reactions", teamID, discussionNumber)
+
+	body := &Reaction{Content: String(content)}
+	req, err := s.client.NewRequest("POST", u, body)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	m := &Reaction{}
+	resp, err := s.client.Do(ctx, req, m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// ListTeamDiscussionCommentReactions lists the reactions for a team discussion comment.
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#list-reactions-for-a-team-discussion-comment
+func (s *ReactionsService) ListTeamDiscussionCommentReactions(ctx context.Context, teamID int64, discussionNumber, commentNumber int, opt *ListOptions) ([]*Reaction, *Response, error) {
+	u := fmt.Sprintf("teams/%v/discussions/%v/comments/%v/reactions", teamID, discussionNumber, commentNumber)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	var m []*Reaction
+	resp, err := s.client.Do(ctx, req, &m)
+	if err != nil {
+		return nil, nil, err
+	}
+	return m, resp, nil
+}
+
+// CreateTeamDiscussionCommentReaction creates a reaction for a team discussion comment.
+// The content should have one of the following values: "+1", "-1", "laugh", "confused", "heart", "hooray".
+//
+// GitHub API docs: https://developer.github.com/v3/reactions/#create-reaction-for-a-team-discussion-comment
+func (s *ReactionsService) CreateTeamDiscussionCommentReaction(ctx context.Context, teamID int64, discussionNumber, commentNumber int, content string) (*Reaction, *Response, error) {
+	u := fmt.Sprintf("teams/%v/discussions/%v/comments/%v/reactions", teamID, discussionNumber, commentNumber)
+
+	body := &Reaction{Content: String(content)}
+	req, err := s.client.NewRequest("POST", u, body)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	m := &Reaction{}
+	resp, err := s.client.Do(ctx, req, m)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return m, resp, nil
+}
+
+// DeleteReaction deletes a reaction.
+//
+// GitHub API docs: https://developer.github.com/v3/reaction/reactions/#delete-a-reaction-archive
+func (s *ReactionsService) DeleteReaction(ctx context.Context, id int64) (*Response, error) {
+	u := fmt.Sprintf("reactions/%v", id)
+
+	req, err := s.client.NewRequest("DELETE", u, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO: remove custom Accept header when this API fully launches.
+	req.Header.Set("Accept", mediaTypeReactionsPreview)
+
+	return s.client.Do(ctx, req, nil)
+}