gitech

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// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package migration
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import (
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	"context"
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	"net/url"
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)
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// NullDownloader implements a blank downloader
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type NullDownloader struct{}
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var _ Downloader = &NullDownloader{}
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// SetContext set context
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func (n NullDownloader) SetContext(_ context.Context) {}
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// GetRepoInfo returns a repository information
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func (n NullDownloader) GetRepoInfo() (*Repository, error) {
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	return nil, ErrNotSupported{Entity: "RepoInfo"}
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}
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// GetTopics return repository topics
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func (n NullDownloader) GetTopics() ([]string, error) {
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	return nil, ErrNotSupported{Entity: "Topics"}
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}
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// GetMilestones returns milestones
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func (n NullDownloader) GetMilestones() ([]*Milestone, error) {
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	return nil, ErrNotSupported{Entity: "Milestones"}
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}
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// GetReleases returns releases
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func (n NullDownloader) GetReleases() ([]*Release, error) {
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	return nil, ErrNotSupported{Entity: "Releases"}
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}
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// GetLabels returns labels
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func (n NullDownloader) GetLabels() ([]*Label, error) {
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	return nil, ErrNotSupported{Entity: "Labels"}
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}
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// GetIssues returns issues according start and limit
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func (n NullDownloader) GetIssues(page, perPage int) ([]*Issue, bool, error) {
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	return nil, false, ErrNotSupported{Entity: "Issues"}
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}
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// GetComments returns comments of an issue or PR
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func (n NullDownloader) GetComments(commentable Commentable) ([]*Comment, bool, error) {
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	return nil, false, ErrNotSupported{Entity: "Comments"}
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}
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// GetAllComments returns paginated comments
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func (n NullDownloader) GetAllComments(page, perPage int) ([]*Comment, bool, error) {
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	return nil, false, ErrNotSupported{Entity: "AllComments"}
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}
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// GetPullRequests returns pull requests according page and perPage
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func (n NullDownloader) GetPullRequests(page, perPage int) ([]*PullRequest, bool, error) {
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	return nil, false, ErrNotSupported{Entity: "PullRequests"}
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}
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// GetReviews returns pull requests review
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func (n NullDownloader) GetReviews(reviewable Reviewable) ([]*Review, error) {
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	return nil, ErrNotSupported{Entity: "Reviews"}
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}
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// FormatCloneURL add authentication into remote URLs
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func (n NullDownloader) FormatCloneURL(opts MigrateOptions, remoteAddr string) (string, error) {
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	if len(opts.AuthToken) > 0 || len(opts.AuthUsername) > 0 {
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		u, err := url.Parse(remoteAddr)
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		if err != nil {
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			return "", err
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		}
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		u.User = url.UserPassword(opts.AuthUsername, opts.AuthPassword)
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		if len(opts.AuthToken) > 0 {
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			u.User = url.UserPassword("oauth2", opts.AuthToken)
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		}
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		return u.String(), nil
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	}
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	return remoteAddr, nil
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}
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// SupportGetRepoComments return true if it supports get repo comments
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func (n NullDownloader) SupportGetRepoComments() bool {
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	return false
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}
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