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// Copyright 2014 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 models
import (
"errors"
"sort"
"strings"
"time"
"github.com/gogits/git"
)
var (
ErrReleaseAlreadyExist = errors.New("Release already exist")
ErrReleaseNotExist = errors.New("Release does not exist")
)
// Release represents a release of repository.
type Release struct {
Id int64
RepoId int64
PublisherId int64
Publisher *User `xorm:"-"`
TagName string
LowerTagName string
Target string
Title string
Sha1 string `xorm:"VARCHAR(40)"`
NumCommits int
NumCommitsBehind int `xorm:"-"`
Note string `xorm:"TEXT"`
IsDraft bool `xorm:"NOT NULL DEFAULT false"`
IsPrerelease bool
Created time.Time `xorm:"CREATED"`
}
// IsReleaseExist returns true if release with given tag name already exists.
func IsReleaseExist(repoId int64, tagName string) (bool, error) {
if len(tagName) == 0 {
return false, nil
}
return x.Get(&Release{RepoId: repoId, LowerTagName: strings.ToLower(tagName)})
}
func createTag(gitRepo *git.Repository, rel *Release) error {
// Only actual create when publish.
if !rel.IsDraft {
if !gitRepo.IsTagExist(rel.TagName) {
commit, err := gitRepo.GetCommitOfBranch(rel.Target)
if err != nil {
return err
}
if err = gitRepo.CreateTag(rel.TagName, commit.Id.String()); err != nil {
return err
}
} else {
commit, err := gitRepo.GetCommitOfTag(rel.TagName)
if err != nil {
return err
}
rel.NumCommits, err = commit.CommitsCount()
if err != nil {
return err
}
}
}
return nil
}
// CreateRelease creates a new release of repository.
func CreateRelease(gitRepo *git.Repository, rel *Release) error {
isExist, err := IsReleaseExist(rel.RepoId, rel.TagName)
if err != nil {
return err
} else if isExist {
return ErrReleaseAlreadyExist
}
if err = createTag(gitRepo, rel); err != nil {
return err
}
rel.LowerTagName = strings.ToLower(rel.TagName)
_, err = x.InsertOne(rel)
return err
}
// GetRelease returns release by given ID.
func GetRelease(repoId int64, tagName string) (*Release, error) {
isExist, err := IsReleaseExist(repoId, tagName)
if err != nil {
return nil, err
} else if !isExist {
return nil, ErrReleaseNotExist
}
rel := &Release{RepoId: repoId, LowerTagName: strings.ToLower(tagName)}
_, err = x.Get(rel)
return rel, err
}
// GetReleasesByRepoId returns a list of releases of repository.
func GetReleasesByRepoId(repoId int64) (rels []*Release, err error) {
err = x.Desc("created").Find(&rels, Release{RepoId: repoId})
return rels, err
}
type ReleaseSorter struct {
rels []*Release
}
func (rs *ReleaseSorter) Len() int {
return len(rs.rels)
}
func (rs *ReleaseSorter) Less(i, j int) bool {
diffNum := rs.rels[i].NumCommits - rs.rels[j].NumCommits
if diffNum != 0 {
return diffNum > 0
}
return rs.rels[i].Created.After(rs.rels[j].Created)
}
func (rs *ReleaseSorter) Swap(i, j int) {
rs.rels[i], rs.rels[j] = rs.rels[j], rs.rels[i]
}
// SortReleases sorts releases by number of commits and created time.
func SortReleases(rels []*Release) {
sorter := &ReleaseSorter{rels: rels}
sort.Sort(sorter)
}
// UpdateRelease updates information of a release.
func UpdateRelease(gitRepo *git.Repository, rel *Release) (err error) {
if err = createTag(gitRepo, rel); err != nil {
return err
}
_, err = x.Id(rel.Id).AllCols().Update(rel)
return err
}
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