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forgejo/models/issues/pull_list.go
Earl Warren 50822f361e
Do not update PRs based on events that happened before they existed
* Split TestPullRequest out of AddTestPullRequestTask
* A Created field is added to the Issue table
* The Created field is set to the time (with nano resolution) on creation
* Record the nano time repo_module.PushUpdateOptions is created by the hook
* The decision to update a pull request created before a commit was
  pushed is based on the time (with nano resolution) the git hook
  was run and the Created field

It ensures the following happens:

* commit C is pushed
* the git hook queues AddTestPullRequestTask for processing and returns with success
* TestPullRequest is not called yet
* a pull request P with commit C as the head is created
* TestPullRequest runs and ignores P because it was created after the commit was received

When the "created" column is NULL, no verification is done, pull
requests that were created before the column was created in the
database cannot be newer than the latest call to a git hook.

Fixes: https://codeberg.org/forgejo/forgejo/issues/2009
(cherry picked from commit 998a431747)

Conflicts:
	models/forgejo_migrations/migrate.go
	see https://codeberg.org/forgejo/forgejo/pulls/3165#issuecomment-1755941
	services/pull/pull.go
	trivial conflicts
2024-04-12 10:41:19 +02:00

228 lines
7.4 KiB
Go

// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package issues
import (
"context"
"fmt"
"code.gitea.io/gitea/models/db"
access_model "code.gitea.io/gitea/models/perm/access"
"code.gitea.io/gitea/models/unit"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/util"
"xorm.io/xorm"
)
// PullRequestsOptions holds the options for PRs
type PullRequestsOptions struct {
db.ListOptions
State string
SortType string
Labels []int64
MilestoneID int64
}
func listPullRequestStatement(ctx context.Context, baseRepoID int64, opts *PullRequestsOptions) (*xorm.Session, error) {
sess := db.GetEngine(ctx).Where("pull_request.base_repo_id=?", baseRepoID)
sess.Join("INNER", "issue", "pull_request.issue_id = issue.id")
switch opts.State {
case "closed", "open":
sess.And("issue.is_closed=?", opts.State == "closed")
}
if len(opts.Labels) > 0 {
sess.Join("INNER", "issue_label", "issue.id = issue_label.issue_id").
In("issue_label.label_id", opts.Labels)
}
if opts.MilestoneID > 0 {
sess.And("issue.milestone_id=?", opts.MilestoneID)
}
return sess, nil
}
func GetUnmergedPullRequestsByHeadInfoMax(ctx context.Context, repoID, olderThan int64, branch string) ([]*PullRequest, error) {
prs := make([]*PullRequest, 0, 2)
sess := db.GetEngine(ctx).
Join("INNER", "issue", "issue.id = `pull_request`.issue_id").
Where("`pull_request`.head_repo_id = ? AND `pull_request`.head_branch = ? AND `pull_request`.has_merged = ? AND `issue`.is_closed = ? AND `pull_request`.flow = ? AND (`issue`.`created` IS NULL OR `issue`.`created` <= ?)", repoID, branch, false, false, PullRequestFlowGithub, olderThan)
return prs, sess.Find(&prs)
}
// GetUnmergedPullRequestsByHeadInfo returns all pull requests that are open and has not been merged
func GetUnmergedPullRequestsByHeadInfo(ctx context.Context, repoID int64, branch string) ([]*PullRequest, error) {
prs := make([]*PullRequest, 0, 2)
sess := db.GetEngine(ctx).
Join("INNER", "issue", "issue.id = pull_request.issue_id").
Where("head_repo_id = ? AND head_branch = ? AND has_merged = ? AND issue.is_closed = ? AND flow = ?", repoID, branch, false, false, PullRequestFlowGithub)
return prs, sess.Find(&prs)
}
// CanMaintainerWriteToBranch check whether user is a maintainer and could write to the branch
func CanMaintainerWriteToBranch(ctx context.Context, p access_model.Permission, branch string, user *user_model.User) bool {
if p.CanWrite(unit.TypeCode) {
return true
}
if len(p.Units) < 1 {
return false
}
prs, err := GetUnmergedPullRequestsByHeadInfo(ctx, p.Units[0].RepoID, branch)
if err != nil {
return false
}
for _, pr := range prs {
if pr.AllowMaintainerEdit {
err = pr.LoadBaseRepo(ctx)
if err != nil {
continue
}
prPerm, err := access_model.GetUserRepoPermission(ctx, pr.BaseRepo, user)
if err != nil {
continue
}
if prPerm.CanWrite(unit.TypeCode) {
return true
}
}
}
return false
}
// HasUnmergedPullRequestsByHeadInfo checks if there are open and not merged pull request
// by given head information (repo and branch)
func HasUnmergedPullRequestsByHeadInfo(ctx context.Context, repoID int64, branch string) (bool, error) {
return db.GetEngine(ctx).
Where("head_repo_id = ? AND head_branch = ? AND has_merged = ? AND issue.is_closed = ? AND flow = ?",
repoID, branch, false, false, PullRequestFlowGithub).
Join("INNER", "issue", "issue.id = pull_request.issue_id").
Exist(&PullRequest{})
}
// GetUnmergedPullRequestsByBaseInfo returns all pull requests that are open and has not been merged
// by given base information (repo and branch).
func GetUnmergedPullRequestsByBaseInfo(ctx context.Context, repoID int64, branch string) ([]*PullRequest, error) {
prs := make([]*PullRequest, 0, 2)
return prs, db.GetEngine(ctx).
Where("base_repo_id=? AND base_branch=? AND has_merged=? AND issue.is_closed=?",
repoID, branch, false, false).
OrderBy("issue.updated_unix DESC").
Join("INNER", "issue", "issue.id=pull_request.issue_id").
Find(&prs)
}
// GetPullRequestIDsByCheckStatus returns all pull requests according the special checking status.
func GetPullRequestIDsByCheckStatus(ctx context.Context, status PullRequestStatus) ([]int64, error) {
prs := make([]int64, 0, 10)
return prs, db.GetEngine(ctx).Table("pull_request").
Where("status=?", status).
Cols("pull_request.id").
Find(&prs)
}
// PullRequests returns all pull requests for a base Repo by the given conditions
func PullRequests(ctx context.Context, baseRepoID int64, opts *PullRequestsOptions) ([]*PullRequest, int64, error) {
if opts.Page <= 0 {
opts.Page = 1
}
countSession, err := listPullRequestStatement(ctx, baseRepoID, opts)
if err != nil {
log.Error("listPullRequestStatement: %v", err)
return nil, 0, err
}
maxResults, err := countSession.Count(new(PullRequest))
if err != nil {
log.Error("Count PRs: %v", err)
return nil, maxResults, err
}
findSession, err := listPullRequestStatement(ctx, baseRepoID, opts)
applySorts(findSession, opts.SortType, 0)
if err != nil {
log.Error("listPullRequestStatement: %v", err)
return nil, maxResults, err
}
findSession = db.SetSessionPagination(findSession, opts)
prs := make([]*PullRequest, 0, opts.PageSize)
return prs, maxResults, findSession.Find(&prs)
}
// PullRequestList defines a list of pull requests
type PullRequestList []*PullRequest
func (prs PullRequestList) LoadAttributes(ctx context.Context) error {
if len(prs) == 0 {
return nil
}
// Load issues.
issueIDs := prs.GetIssueIDs()
issues := make([]*Issue, 0, len(issueIDs))
if err := db.GetEngine(ctx).
Where("id > 0").
In("id", issueIDs).
Find(&issues); err != nil {
return fmt.Errorf("find issues: %w", err)
}
set := make(map[int64]*Issue)
for i := range issues {
set[issues[i].ID] = issues[i]
}
for _, pr := range prs {
pr.Issue = set[pr.IssueID]
/*
Old code:
pr.Issue.PullRequest = pr // panic here means issueIDs and prs are not in sync
It's worth panic because it's almost impossible to happen under normal use.
But in integration testing, an asynchronous task could read a database that has been reset.
So returning an error would make more sense, let the caller has a choice to ignore it.
*/
if pr.Issue == nil {
return fmt.Errorf("issues and prs may be not in sync: cannot find issue %v for pr %v: %w", pr.IssueID, pr.ID, util.ErrNotExist)
}
pr.Issue.PullRequest = pr
}
return nil
}
// GetIssueIDs returns all issue ids
func (prs PullRequestList) GetIssueIDs() []int64 {
issueIDs := make([]int64, 0, len(prs))
for i := range prs {
issueIDs = append(issueIDs, prs[i].IssueID)
}
return issueIDs
}
// HasMergedPullRequestInRepo returns whether the user(poster) has merged pull-request in the repo
func HasMergedPullRequestInRepo(ctx context.Context, repoID, posterID int64) (bool, error) {
return db.GetEngine(ctx).
Join("INNER", "pull_request", "pull_request.issue_id = issue.id").
Where("repo_id=?", repoID).
And("poster_id=?", posterID).
And("is_pull=?", true).
And("pull_request.has_merged=?", true).
Select("issue.id").
Limit(1).
Get(new(Issue))
}
// GetPullRequestByIssueIDs returns all pull requests by issue ids
func GetPullRequestByIssueIDs(ctx context.Context, issueIDs []int64) (PullRequestList, error) {
prs := make([]*PullRequest, 0, len(issueIDs))
return prs, db.GetEngine(ctx).
Where("issue_id > 0").
In("issue_id", issueIDs).
Find(&prs)
}