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34
docs/content/doc/advanced/migrations.en-us.md
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@ -15,32 +15,34 @@ menu:
# Migration Features # Migration Features
The new migration features were introduced in Gitea 1.9.0. It defines two interfaces to support migrating The new migration features were introduced in Gitea 1.9.0. It defines two interfaces to support migrating
repositories data from other git host platforms to gitea or, in the future migrating gitea data to other repositories data from other git host platforms to gitea or, in the future migrating gitea data to other
git host platforms. Currently, only the migrations from github via APIv3 to Gitea is implemented. git host platforms. Currently, only the migrations from github via APIv3 to Gitea is implemented.
First of all, Gitea defines some standard objects in packages `modules/migrations/base`. They are First of all, Gitea defines some standard objects in packages `modules/migrations/base`. They are
`Repository`, `Milestone`, `Release`, `Label`, `Issue`, `Comment`, `PullRequest`. `Repository`, `Milestone`, `Release`, `Label`, `Issue`, `Comment`, `PullRequest`, `Reaction`, `Review`, `ReviewComment`.
## Downloader Interfaces ## Downloader Interfaces
To migrate from a new git host platform, there are two steps to be updated. To migrate from a new git host platform, there are two steps to be updated.
- You should implement a `Downloader` which will get all kinds of repository informations. - You should implement a `Downloader` which will get all kinds of repository informations.
- You should implement a `DownloaderFactory` which is used to detect if the URL matches and - You should implement a `DownloaderFactory` which is used to detect if the URL matches and
create a Downloader. create a Downloader.
- You'll need to register the `DownloaderFactory` via `RegisterDownloaderFactory` on init. - You'll need to register the `DownloaderFactory` via `RegisterDownloaderFactory` on init.
```Go ```Go
type Downloader interface { type Downloader interface {
SetContext(context.Context)
GetRepoInfo() (*Repository, error) GetRepoInfo() (*Repository, error)
GetTopics() ([]string, error) GetTopics() ([]string, error)
GetMilestones() ([]*Milestone, error) GetMilestones() ([]*Milestone, error)
GetReleases() ([]*Release, error) GetReleases() ([]*Release, error)
GetLabels() ([]*Label, error) GetLabels() ([]*Label, error)
GetIssues(start, limit int) ([]*Issue, error) GetIssues(page, perPage int) ([]*Issue, bool, error)
GetComments(issueNumber int64) ([]*Comment, error) GetComments(issueNumber int64) ([]*Comment, error)
GetPullRequests(start, limit int) ([]*PullRequest, error) GetPullRequests(page, perPage int) ([]*PullRequest, error)
GetReviews(pullRequestNumber int64) ([]*Review, error)
} }
``` ```
@ -53,20 +55,24 @@ type DownloaderFactory interface {
## Uploader Interface ## Uploader Interface
Currently, only a `GiteaLocalUploader` is implemented, so we only save downloaded Currently, only a `GiteaLocalUploader` is implemented, so we only save downloaded
data via this `Uploader` on the local Gitea instance. Other uploaders are not supported data via this `Uploader` on the local Gitea instance. Other uploaders are not supported
and will be implemented in future. and will be implemented in future.
```Go ```Go
// Uploader uploads all the informations // Uploader uploads all the informations
type Uploader interface { type Uploader interface {
CreateRepo(repo *Repository, includeWiki bool) error MaxBatchInsertSize(tp string) int
CreateMilestone(milestone *Milestone) error CreateRepo(repo *Repository, opts MigrateOptions) error
CreateRelease(release *Release) error CreateTopics(topic ...string) error
CreateLabel(label *Label) error CreateMilestones(milestones ...*Milestone) error
CreateIssue(issue *Issue) error CreateReleases(releases ...*Release) error
CreateComment(issueNumber int64, comment *Comment) error SyncTags() error
CreatePullRequest(pr *PullRequest) error CreateLabels(labels ...*Label) error
CreateIssues(issues ...*Issue) error
CreateComments(comments ...*Comment) error
CreatePullRequests(prs ...*PullRequest) error
CreateReviews(reviews ...*Review) error
Rollback() error Rollback() error
Close() Close()
} }