Gitea 2 Gitea migration (#12657)

* first draft

* update gitea sdk to 9e280adb4da

* adapt feat of updated sdk

* releases now works

* break the Reactions loop

* use convertGiteaLabel

* fix endless loop because paggination is not supported there !!!

* rename gitea local uploader files

* pagination can bite you in the ass

* Version Checks

* lint

* docs

* rename gitea sdk import to miss future conficts

* go-swagger: dont scan the sdk structs

* make sure gitea can shutdown gracefully

* make GetPullRequests and GetIssues similar

* rm useles

* Add Test: started ...

* ... add tests ...

* Add tests and Fixing things

* Workaround missing SHA

* Adapt: Ensure that all migration requests are cancellable
(714ab71ddc4260937b1480519d453d2dc4e77dd6)

* LINT: fix misspells in test set

* adapt ListMergeRequestAwardEmoji

* update sdk

* Return error when creating giteadownloader failed

* update sdk

* adapt new sdk

* adopt new features

* check version before err

* adapt: 'migrate service type switch page'

* optimize

* Fix DefaultBranch

* impruve

* handle subPath

* fix test

* Fix ReviewCommentPosition

* test GetReviews

* add DefaultBranch int test set

* rm unused

* Update SDK to v0.13.0

* addopt sdk changes

* found better link

* format template

* Update Docs

* Update Gitea SDK (v0.13.1)

1 files changed, 213 insertions, 0 deletions

diff --git a/vendor/code.gitea.io/sdk/gitea/issue_milestone.go b/vendor/code.gitea.io/sdk/gitea/issue_milestone.go
new file mode 100644
index 0000000000..236c2367b5
--- /dev/null
+++ b/vendor/code.gitea.io/sdk/gitea/issue_milestone.go
@@ -0,0 +1,213 @@
+// 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.
+
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+	"time"
+)
+
+// Milestone milestone is a collection of issues on one repository
+type Milestone struct {
+	ID           int64      `json:"id"`
+	Title        string     `json:"title"`
+	Description  string     `json:"description"`
+	State        StateType  `json:"state"`
+	OpenIssues   int        `json:"open_issues"`
+	ClosedIssues int        `json:"closed_issues"`
+	Created      time.Time  `json:"created_at"`
+	Updated      *time.Time `json:"updated_at"`
+	Closed       *time.Time `json:"closed_at"`
+	Deadline     *time.Time `json:"due_on"`
+}
+
+// ListMilestoneOption list milestone options
+type ListMilestoneOption struct {
+	ListOptions
+	// open, closed, all
+	State StateType
+	Name  string
+}
+
+// QueryEncode turns options into querystring argument
+func (opt *ListMilestoneOption) QueryEncode() string {
+	query := opt.getURLQuery()
+	if opt.State != "" {
+		query.Add("state", string(opt.State))
+	}
+	if len(opt.Name) != 0 {
+		query.Add("name", opt.Name)
+	}
+	return query.Encode()
+}
+
+// ListRepoMilestones list all the milestones of one repository
+func (c *Client) ListRepoMilestones(owner, repo string, opt ListMilestoneOption) ([]*Milestone, *Response, error) {
+	opt.setDefaults()
+	milestones := make([]*Milestone, 0, opt.PageSize)
+
+	link, _ := url.Parse(fmt.Sprintf("/repos/%s/%s/milestones", owner, repo))
+	link.RawQuery = opt.QueryEncode()
+	resp, err := c.getParsedResponse("GET", link.String(), nil, nil, &milestones)
+	return milestones, resp, err
+}
+
+// GetMilestone get one milestone by repo name and milestone id
+func (c *Client) GetMilestone(owner, repo string, id int64) (*Milestone, *Response, error) {
+	milestone := new(Milestone)
+	resp, err := c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/milestones/%d", owner, repo, id), nil, nil, milestone)
+	return milestone, resp, err
+}
+
+// GetMilestoneByName get one milestone by repo and milestone name
+func (c *Client) GetMilestoneByName(owner, repo string, name string) (*Milestone, *Response, error) {
+	if c.CheckServerVersionConstraint(">=1.13") != nil {
+		// backwards compatibility mode
+		m, resp, err := c.resolveMilestoneByName(owner, repo, name)
+		return m, resp, err
+	}
+	milestone := new(Milestone)
+	resp, err := c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/milestones/%s", owner, repo, name), nil, nil, milestone)
+	return milestone, resp, err
+}
+
+// CreateMilestoneOption options for creating a milestone
+type CreateMilestoneOption struct {
+	Title       string     `json:"title"`
+	Description string     `json:"description"`
+	State       StateType  `json:"state"`
+	Deadline    *time.Time `json:"due_on"`
+}
+
+// Validate the CreateMilestoneOption struct
+func (opt CreateMilestoneOption) Validate() error {
+	if len(strings.TrimSpace(opt.Title)) == 0 {
+		return fmt.Errorf("title is empty")
+	}
+	return nil
+}
+
+// CreateMilestone create one milestone with options
+func (c *Client) CreateMilestone(owner, repo string, opt CreateMilestoneOption) (*Milestone, *Response, error) {
+	if err := opt.Validate(); err != nil {
+		return nil, nil, err
+	}
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, nil, err
+	}
+	milestone := new(Milestone)
+	resp, err := c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/milestones", owner, repo), jsonHeader, bytes.NewReader(body), milestone)
+
+	// make creating closed milestones need gitea >= v1.13.0
+	// this make it backwards compatible
+	if err == nil && opt.State == StateClosed && milestone.State != StateClosed {
+		closed := StateClosed
+		return c.EditMilestone(owner, repo, milestone.ID, EditMilestoneOption{
+			State: &closed,
+		})
+	}
+
+	return milestone, resp, err
+}
+
+// EditMilestoneOption options for editing a milestone
+type EditMilestoneOption struct {
+	Title       string     `json:"title"`
+	Description *string    `json:"description"`
+	State       *StateType `json:"state"`
+	Deadline    *time.Time `json:"due_on"`
+}
+
+// Validate the EditMilestoneOption struct
+func (opt EditMilestoneOption) Validate() error {
+	if len(opt.Title) != 0 && len(strings.TrimSpace(opt.Title)) == 0 {
+		return fmt.Errorf("title is empty")
+	}
+	return nil
+}
+
+// EditMilestone modify milestone with options
+func (c *Client) EditMilestone(owner, repo string, id int64, opt EditMilestoneOption) (*Milestone, *Response, error) {
+	if err := opt.Validate(); err != nil {
+		return nil, nil, err
+	}
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, nil, err
+	}
+	milestone := new(Milestone)
+	resp, err := c.getParsedResponse("PATCH", fmt.Sprintf("/repos/%s/%s/milestones/%d", owner, repo, id), jsonHeader, bytes.NewReader(body), milestone)
+	return milestone, resp, err
+}
+
+// EditMilestoneByName modify milestone with options
+func (c *Client) EditMilestoneByName(owner, repo string, name string, opt EditMilestoneOption) (*Milestone, *Response, error) {
+	if c.CheckServerVersionConstraint(">=1.13") != nil {
+		// backwards compatibility mode
+		m, _, err := c.resolveMilestoneByName(owner, repo, name)
+		if err != nil {
+			return nil, nil, err
+		}
+		return c.EditMilestone(owner, repo, m.ID, opt)
+	}
+	if err := opt.Validate(); err != nil {
+		return nil, nil, err
+	}
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return nil, nil, err
+	}
+	milestone := new(Milestone)
+	resp, err := c.getParsedResponse("PATCH", fmt.Sprintf("/repos/%s/%s/milestones/%s", owner, repo, name), jsonHeader, bytes.NewReader(body), milestone)
+	return milestone, resp, err
+}
+
+// DeleteMilestone delete one milestone by id
+func (c *Client) DeleteMilestone(owner, repo string, id int64) (*Response, error) {
+	_, resp, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/milestones/%d", owner, repo, id), nil, nil)
+	return resp, err
+}
+
+// DeleteMilestoneByName delete one milestone by name
+func (c *Client) DeleteMilestoneByName(owner, repo string, name string) (*Response, error) {
+	if c.CheckServerVersionConstraint(">=1.13") != nil {
+		// backwards compatibility mode
+		m, _, err := c.resolveMilestoneByName(owner, repo, name)
+		if err != nil {
+			return nil, err
+		}
+		return c.DeleteMilestone(owner, repo, m.ID)
+	}
+	_, resp, err := c.getResponse("DELETE", fmt.Sprintf("/repos/%s/%s/milestones/%s", owner, repo, name), nil, nil)
+	return resp, err
+}
+
+// resolveMilestoneByName is a fallback method to find milestone id by name
+func (c *Client) resolveMilestoneByName(owner, repo, name string) (*Milestone, *Response, error) {
+	for i := 1; ; i++ {
+		miles, resp, err := c.ListRepoMilestones(owner, repo, ListMilestoneOption{
+			ListOptions: ListOptions{
+				Page: i,
+			},
+			State: "all",
+		})
+		if err != nil {
+			return nil, nil, err
+		}
+		if len(miles) == 0 {
+			return nil, nil, fmt.Errorf("milestone '%s' do not exist", name)
+		}
+		for _, m := range miles {
+			if strings.ToLower(strings.TrimSpace(m.Title)) == strings.ToLower(strings.TrimSpace(name)) {
+				return m, resp, nil
+			}
+		}
+	}
+}