506 lines
16 KiB
Go
506 lines
16 KiB
Go
// Copyright 2017 Gitea. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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"context"
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"crypto/sha1"
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"errors"
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"fmt"
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"net/url"
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"strconv"
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"strings"
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"time"
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asymkey_model "code.gitea.io/gitea/models/asymkey"
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"code.gitea.io/gitea/models/db"
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repo_model "code.gitea.io/gitea/models/repo"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/translation"
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"xorm.io/builder"
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)
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// CommitStatus holds a single Status of a single Commit
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type CommitStatus struct {
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ID int64 `xorm:"pk autoincr"`
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Index int64 `xorm:"INDEX UNIQUE(repo_sha_index)"`
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RepoID int64 `xorm:"INDEX UNIQUE(repo_sha_index)"`
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Repo *repo_model.Repository `xorm:"-"`
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State api.CommitStatusState `xorm:"VARCHAR(7) NOT NULL"`
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SHA string `xorm:"VARCHAR(64) NOT NULL INDEX UNIQUE(repo_sha_index)"`
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TargetURL string `xorm:"TEXT"`
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Description string `xorm:"TEXT"`
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ContextHash string `xorm:"char(40) index"`
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Context string `xorm:"TEXT"`
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Creator *user_model.User `xorm:"-"`
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CreatorID int64
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CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
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UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
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}
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func init() {
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db.RegisterModel(new(CommitStatus))
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db.RegisterModel(new(CommitStatusIndex))
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}
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func postgresGetCommitStatusIndex(ctx context.Context, repoID int64, sha string) (int64, error) {
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res, err := db.GetEngine(ctx).Query("INSERT INTO `commit_status_index` (repo_id, sha, max_index) "+
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"VALUES (?,?,1) ON CONFLICT (repo_id, sha) DO UPDATE SET max_index = `commit_status_index`.max_index+1 RETURNING max_index",
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repoID, sha)
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if err != nil {
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return 0, err
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}
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if len(res) == 0 {
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return 0, db.ErrGetResourceIndexFailed
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}
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return strconv.ParseInt(string(res[0]["max_index"]), 10, 64)
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}
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func mysqlGetCommitStatusIndex(ctx context.Context, repoID int64, sha string) (int64, error) {
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if _, err := db.GetEngine(ctx).Exec("INSERT INTO `commit_status_index` (repo_id, sha, max_index) "+
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"VALUES (?,?,1) ON DUPLICATE KEY UPDATE max_index = max_index+1",
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repoID, sha); err != nil {
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return 0, err
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}
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var idx int64
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_, err := db.GetEngine(ctx).SQL("SELECT max_index FROM `commit_status_index` WHERE repo_id = ? AND sha = ?",
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repoID, sha).Get(&idx)
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if err != nil {
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return 0, err
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}
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if idx == 0 {
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return 0, errors.New("cannot get the correct index")
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}
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return idx, nil
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}
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func mssqlGetCommitStatusIndex(ctx context.Context, repoID int64, sha string) (int64, error) {
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if _, err := db.GetEngine(ctx).Exec(`
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MERGE INTO commit_status_index WITH (HOLDLOCK) AS target
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USING (SELECT ? AS repo_id, ? AS sha) AS source
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(repo_id, sha)
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ON target.repo_id = source.repo_id AND target.sha = source.sha
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WHEN MATCHED
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THEN UPDATE
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SET max_index = max_index + 1
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WHEN NOT MATCHED
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THEN INSERT (repo_id, sha, max_index)
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VALUES (?, ?, 1);
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`, repoID, sha, repoID, sha); err != nil {
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return 0, err
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}
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var idx int64
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_, err := db.GetEngine(ctx).SQL("SELECT max_index FROM `commit_status_index` WHERE repo_id = ? AND sha = ?",
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repoID, sha).Get(&idx)
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if err != nil {
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return 0, err
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}
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if idx == 0 {
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return 0, errors.New("cannot get the correct index")
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}
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return idx, nil
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}
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// GetNextCommitStatusIndex retried 3 times to generate a resource index
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func GetNextCommitStatusIndex(ctx context.Context, repoID int64, sha string) (int64, error) {
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_, err := git.NewIDFromString(sha)
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if err != nil {
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return 0, git.ErrInvalidSHA{SHA: sha}
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}
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switch {
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case setting.Database.Type.IsPostgreSQL():
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return postgresGetCommitStatusIndex(ctx, repoID, sha)
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case setting.Database.Type.IsMySQL():
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return mysqlGetCommitStatusIndex(ctx, repoID, sha)
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case setting.Database.Type.IsMSSQL():
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return mssqlGetCommitStatusIndex(ctx, repoID, sha)
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}
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e := db.GetEngine(ctx)
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// try to update the max_index to next value, and acquire the write-lock for the record
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res, err := e.Exec("UPDATE `commit_status_index` SET max_index=max_index+1 WHERE repo_id=? AND sha=?", repoID, sha)
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if err != nil {
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return 0, fmt.Errorf("update failed: %w", err)
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}
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affected, err := res.RowsAffected()
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if err != nil {
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return 0, err
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}
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if affected == 0 {
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// this slow path is only for the first time of creating a resource index
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_, errIns := e.Exec("INSERT INTO `commit_status_index` (repo_id, sha, max_index) VALUES (?, ?, 0)", repoID, sha)
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res, err = e.Exec("UPDATE `commit_status_index` SET max_index=max_index+1 WHERE repo_id=? AND sha=?", repoID, sha)
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if err != nil {
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return 0, fmt.Errorf("update2 failed: %w", err)
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}
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affected, err = res.RowsAffected()
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if err != nil {
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return 0, fmt.Errorf("RowsAffected failed: %w", err)
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}
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// if the update still can not update any records, the record must not exist and there must be some errors (insert error)
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if affected == 0 {
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if errIns == nil {
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return 0, errors.New("impossible error when GetNextCommitStatusIndex, insert and update both succeeded but no record is updated")
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}
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return 0, fmt.Errorf("insert failed: %w", errIns)
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}
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}
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// now, the new index is in database (protected by the transaction and write-lock)
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var newIdx int64
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has, err := e.SQL("SELECT max_index FROM `commit_status_index` WHERE repo_id=? AND sha=?", repoID, sha).Get(&newIdx)
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if err != nil {
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return 0, fmt.Errorf("select failed: %w", err)
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}
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if !has {
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return 0, errors.New("impossible error when GetNextCommitStatusIndex, upsert succeeded but no record can be selected")
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}
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return newIdx, nil
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}
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func (status *CommitStatus) loadAttributes(ctx context.Context) (err error) {
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if status.Repo == nil {
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status.Repo, err = repo_model.GetRepositoryByID(ctx, status.RepoID)
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if err != nil {
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return fmt.Errorf("getRepositoryByID [%d]: %w", status.RepoID, err)
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}
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}
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if status.Creator == nil && status.CreatorID > 0 {
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status.Creator, err = user_model.GetUserByID(ctx, status.CreatorID)
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if err != nil {
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return fmt.Errorf("getUserByID [%d]: %w", status.CreatorID, err)
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}
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}
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return nil
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}
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// APIURL returns the absolute APIURL to this commit-status.
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func (status *CommitStatus) APIURL(ctx context.Context) string {
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_ = status.loadAttributes(ctx)
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return status.Repo.APIURL() + "/statuses/" + url.PathEscape(status.SHA)
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}
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// LocaleString returns the locale string name of the Status
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func (status *CommitStatus) LocaleString(lang translation.Locale) string {
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return lang.Tr("repo.commitstatus." + status.State.String())
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}
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// CalcCommitStatus returns commit status state via some status, the commit statues should order by id desc
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func CalcCommitStatus(statuses []*CommitStatus) *CommitStatus {
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var lastStatus *CommitStatus
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state := api.CommitStatusSuccess
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for _, status := range statuses {
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if status.State.NoBetterThan(state) {
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state = status.State
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lastStatus = status
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}
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}
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if lastStatus == nil {
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if len(statuses) > 0 {
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lastStatus = statuses[0]
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} else {
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lastStatus = &CommitStatus{}
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}
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}
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return lastStatus
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}
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// CommitStatusOptions holds the options for query commit statuses
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type CommitStatusOptions struct {
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db.ListOptions
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RepoID int64
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SHA string
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State string
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SortType string
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}
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func (opts *CommitStatusOptions) ToConds() builder.Cond {
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var cond builder.Cond = builder.Eq{
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"repo_id": opts.RepoID,
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"sha": opts.SHA,
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}
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switch opts.State {
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case "pending", "success", "error", "failure", "warning":
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cond = cond.And(builder.Eq{
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"state": opts.State,
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})
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}
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return cond
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}
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func (opts *CommitStatusOptions) ToOrders() string {
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switch opts.SortType {
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case "oldest":
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return "created_unix ASC"
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case "recentupdate":
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return "updated_unix DESC"
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case "leastupdate":
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return "updated_unix ASC"
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case "leastindex":
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return "`index` DESC"
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case "highestindex":
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return "`index` ASC"
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default:
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return "created_unix DESC"
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}
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}
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// CommitStatusIndex represents a table for commit status index
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type CommitStatusIndex struct {
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ID int64
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RepoID int64 `xorm:"unique(repo_sha)"`
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SHA string `xorm:"unique(repo_sha)"`
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MaxIndex int64 `xorm:"index"`
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}
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// GetLatestCommitStatus returns all statuses with a unique context for a given commit.
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func GetLatestCommitStatus(ctx context.Context, repoID int64, sha string, listOptions db.ListOptions) ([]*CommitStatus, int64, error) {
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ids := make([]int64, 0, 10)
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sess := db.GetEngine(ctx).Table(&CommitStatus{}).
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Where("repo_id = ?", repoID).And("sha = ?", sha).
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Select("max( id ) as id").
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GroupBy("context_hash").OrderBy("max( id ) desc")
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if !listOptions.IsListAll() {
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sess = db.SetSessionPagination(sess, &listOptions)
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}
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count, err := sess.FindAndCount(&ids)
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if err != nil {
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return nil, count, err
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}
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statuses := make([]*CommitStatus, 0, len(ids))
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if len(ids) == 0 {
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return statuses, count, nil
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}
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return statuses, count, db.GetEngine(ctx).In("id", ids).Find(&statuses)
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}
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// GetLatestCommitStatusForPairs returns all statuses with a unique context for a given list of repo-sha pairs
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func GetLatestCommitStatusForPairs(ctx context.Context, repoIDsToLatestCommitSHAs map[int64]string, listOptions db.ListOptions) (map[int64][]*CommitStatus, error) {
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type result struct {
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ID int64
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RepoID int64
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}
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results := make([]result, 0, len(repoIDsToLatestCommitSHAs))
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sess := db.GetEngine(ctx).Table(&CommitStatus{})
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// Create a disjunction of conditions for each repoID and SHA pair
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conds := make([]builder.Cond, 0, len(repoIDsToLatestCommitSHAs))
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for repoID, sha := range repoIDsToLatestCommitSHAs {
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conds = append(conds, builder.Eq{"repo_id": repoID, "sha": sha})
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}
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sess = sess.Where(builder.Or(conds...)).
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Select("max( id ) as id, repo_id").
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GroupBy("context_hash, repo_id").OrderBy("max( id ) desc")
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if !listOptions.IsListAll() {
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sess = db.SetSessionPagination(sess, &listOptions)
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}
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err := sess.Find(&results)
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if err != nil {
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return nil, err
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}
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ids := make([]int64, 0, len(results))
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repoStatuses := make(map[int64][]*CommitStatus)
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for _, result := range results {
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ids = append(ids, result.ID)
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}
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statuses := make([]*CommitStatus, 0, len(ids))
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if len(ids) > 0 {
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err = db.GetEngine(ctx).In("id", ids).Find(&statuses)
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if err != nil {
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return nil, err
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}
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// Group the statuses by repo ID
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for _, status := range statuses {
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repoStatuses[status.RepoID] = append(repoStatuses[status.RepoID], status)
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}
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}
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return repoStatuses, nil
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}
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// GetLatestCommitStatusForRepoCommitIDs returns all statuses with a unique context for a given list of repo-sha pairs
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func GetLatestCommitStatusForRepoCommitIDs(ctx context.Context, repoID int64, commitIDs []string) (map[string][]*CommitStatus, error) {
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type result struct {
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ID int64
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Sha string
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}
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results := make([]result, 0, len(commitIDs))
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sess := db.GetEngine(ctx).Table(&CommitStatus{})
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// Create a disjunction of conditions for each repoID and SHA pair
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conds := make([]builder.Cond, 0, len(commitIDs))
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for _, sha := range commitIDs {
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conds = append(conds, builder.Eq{"sha": sha})
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}
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sess = sess.Where(builder.Eq{"repo_id": repoID}.And(builder.Or(conds...))).
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Select("max( id ) as id, sha").
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GroupBy("context_hash, sha").OrderBy("max( id ) desc")
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err := sess.Find(&results)
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if err != nil {
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return nil, err
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}
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ids := make([]int64, 0, len(results))
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repoStatuses := make(map[string][]*CommitStatus)
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for _, result := range results {
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ids = append(ids, result.ID)
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}
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statuses := make([]*CommitStatus, 0, len(ids))
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if len(ids) > 0 {
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err = db.GetEngine(ctx).In("id", ids).Find(&statuses)
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if err != nil {
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return nil, err
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}
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// Group the statuses by repo ID
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for _, status := range statuses {
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repoStatuses[status.SHA] = append(repoStatuses[status.SHA], status)
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}
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}
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return repoStatuses, nil
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}
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// FindRepoRecentCommitStatusContexts returns repository's recent commit status contexts
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func FindRepoRecentCommitStatusContexts(ctx context.Context, repoID int64, before time.Duration) ([]string, error) {
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start := timeutil.TimeStampNow().AddDuration(-before)
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ids := make([]int64, 0, 10)
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if err := db.GetEngine(ctx).Table("commit_status").
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Where("repo_id = ?", repoID).
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And("updated_unix >= ?", start).
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Select("max( id ) as id").
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GroupBy("context_hash").OrderBy("max( id ) desc").
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Find(&ids); err != nil {
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return nil, err
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}
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contexts := make([]string, 0, len(ids))
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if len(ids) == 0 {
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return contexts, nil
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}
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return contexts, db.GetEngine(ctx).Select("context").Table("commit_status").In("id", ids).Find(&contexts)
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}
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// NewCommitStatusOptions holds options for creating a CommitStatus
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type NewCommitStatusOptions struct {
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Repo *repo_model.Repository
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Creator *user_model.User
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SHA git.ObjectID
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CommitStatus *CommitStatus
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}
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// NewCommitStatus save commit statuses into database
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func NewCommitStatus(ctx context.Context, opts NewCommitStatusOptions) error {
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if opts.Repo == nil {
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return fmt.Errorf("NewCommitStatus[nil, %s]: no repository specified", opts.SHA)
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}
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repoPath := opts.Repo.RepoPath()
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if opts.Creator == nil {
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return fmt.Errorf("NewCommitStatus[%s, %s]: no user specified", repoPath, opts.SHA)
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}
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ctx, committer, err := db.TxContext(ctx)
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if err != nil {
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return fmt.Errorf("NewCommitStatus[repo_id: %d, user_id: %d, sha: %s]: %w", opts.Repo.ID, opts.Creator.ID, opts.SHA, err)
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}
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defer committer.Close()
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// Get the next Status Index
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idx, err := GetNextCommitStatusIndex(ctx, opts.Repo.ID, opts.SHA.String())
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if err != nil {
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return fmt.Errorf("generate commit status index failed: %w", err)
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}
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opts.CommitStatus.Description = strings.TrimSpace(opts.CommitStatus.Description)
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opts.CommitStatus.Context = strings.TrimSpace(opts.CommitStatus.Context)
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opts.CommitStatus.TargetURL = strings.TrimSpace(opts.CommitStatus.TargetURL)
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opts.CommitStatus.SHA = opts.SHA.String()
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opts.CommitStatus.CreatorID = opts.Creator.ID
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opts.CommitStatus.RepoID = opts.Repo.ID
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opts.CommitStatus.Index = idx
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log.Debug("NewCommitStatus[%s, %s]: %d", repoPath, opts.SHA, opts.CommitStatus.Index)
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opts.CommitStatus.ContextHash = hashCommitStatusContext(opts.CommitStatus.Context)
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// Insert new CommitStatus
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if _, err = db.GetEngine(ctx).Insert(opts.CommitStatus); err != nil {
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return fmt.Errorf("insert CommitStatus[%s, %s]: %w", repoPath, opts.SHA, err)
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}
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return committer.Commit()
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}
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// SignCommitWithStatuses represents a commit with validation of signature and status state.
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type SignCommitWithStatuses struct {
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Status *CommitStatus
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Statuses []*CommitStatus
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*asymkey_model.SignCommit
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}
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// ParseCommitsWithStatus checks commits latest statuses and calculates its worst status state
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func ParseCommitsWithStatus(ctx context.Context, oldCommits []*asymkey_model.SignCommit, repo *repo_model.Repository) []*SignCommitWithStatuses {
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newCommits := make([]*SignCommitWithStatuses, 0, len(oldCommits))
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for _, c := range oldCommits {
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commit := &SignCommitWithStatuses{
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SignCommit: c,
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}
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statuses, _, err := GetLatestCommitStatus(ctx, repo.ID, commit.ID.String(), db.ListOptions{})
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if err != nil {
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log.Error("GetLatestCommitStatus: %v", err)
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} else {
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commit.Statuses = statuses
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commit.Status = CalcCommitStatus(statuses)
|
|
}
|
|
|
|
newCommits = append(newCommits, commit)
|
|
}
|
|
return newCommits
|
|
}
|
|
|
|
// hashCommitStatusContext hash context
|
|
func hashCommitStatusContext(context string) string {
|
|
return fmt.Sprintf("%x", sha1.Sum([]byte(context)))
|
|
}
|
|
|
|
// ConvertFromGitCommit converts git commits into SignCommitWithStatuses
|
|
func ConvertFromGitCommit(ctx context.Context, commits []*git.Commit, repo *repo_model.Repository) []*SignCommitWithStatuses {
|
|
return ParseCommitsWithStatus(ctx,
|
|
asymkey_model.ParseCommitsWithSignature(
|
|
ctx,
|
|
user_model.ValidateCommitsWithEmails(ctx, commits),
|
|
repo.GetTrustModel(),
|
|
func(user *user_model.User) (bool, error) {
|
|
return repo_model.IsOwnerMemberCollaborator(ctx, repo, user.ID)
|
|
},
|
|
),
|
|
repo,
|
|
)
|
|
}
|