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gitea/models/issues/issue_xref.go
2022-12-10 10:46:31 +08:00

356 lines
11 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"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/references"
)
type crossReference struct {
Issue *Issue
Action references.XRefAction
}
// crossReferencesContext is context to pass along findCrossReference functions
type crossReferencesContext struct {
Type CommentType
Doer *user_model.User
OrigIssue *Issue
OrigComment *Comment
RemoveOld bool
}
func findOldCrossReferences(ctx context.Context, issueID, commentID int64) ([]*Comment, error) {
active := make([]*Comment, 0, 10)
return active, db.GetEngine(ctx).Where("`ref_action` IN (?, ?, ?)", references.XRefActionNone, references.XRefActionCloses, references.XRefActionReopens).
And("`ref_issue_id` = ?", issueID).
And("`ref_comment_id` = ?", commentID).
Find(&active)
}
func neuterCrossReferences(ctx context.Context, issueID, commentID int64) error {
active, err := findOldCrossReferences(ctx, issueID, commentID)
if err != nil {
return err
}
ids := make([]int64, len(active))
for i, c := range active {
ids[i] = c.ID
}
return neuterCrossReferencesIds(ctx, ids)
}
func neuterCrossReferencesIds(ctx context.Context, ids []int64) error {
_, err := db.GetEngine(ctx).In("id", ids).Cols("`ref_action`").Update(&Comment{RefAction: references.XRefActionNeutered})
return err
}
// AddCrossReferences add cross repositories references.
func (issue *Issue) AddCrossReferences(stdCtx context.Context, doer *user_model.User, removeOld bool) error {
var commentType CommentType
if issue.IsPull {
commentType = CommentTypePullRef
} else {
commentType = CommentTypeIssueRef
}
ctx := &crossReferencesContext{
Type: commentType,
Doer: doer,
OrigIssue: issue,
RemoveOld: removeOld,
}
return issue.createCrossReferences(stdCtx, ctx, issue.Title, issue.Content)
}
func (issue *Issue) createCrossReferences(stdCtx context.Context, ctx *crossReferencesContext, plaincontent, mdcontent string) error {
xreflist, err := ctx.OrigIssue.getCrossReferences(stdCtx, ctx, plaincontent, mdcontent)
if err != nil {
return err
}
if ctx.RemoveOld {
var commentID int64
if ctx.OrigComment != nil {
commentID = ctx.OrigComment.ID
}
active, err := findOldCrossReferences(stdCtx, ctx.OrigIssue.ID, commentID)
if err != nil {
return err
}
ids := make([]int64, 0, len(active))
for _, c := range active {
found := false
for i, x := range xreflist {
if x.Issue.ID == c.IssueID && x.Action == c.RefAction {
found = true
xreflist = append(xreflist[:i], xreflist[i+1:]...)
break
}
}
if !found {
ids = append(ids, c.ID)
}
}
if len(ids) > 0 {
if err = neuterCrossReferencesIds(stdCtx, ids); err != nil {
return err
}
}
}
for _, xref := range xreflist {
var refCommentID int64
if ctx.OrigComment != nil {
refCommentID = ctx.OrigComment.ID
}
opts := &CreateCommentOptions{
Type: ctx.Type,
Doer: ctx.Doer,
Repo: xref.Issue.Repo,
Issue: xref.Issue,
RefRepoID: ctx.OrigIssue.RepoID,
RefIssueID: ctx.OrigIssue.ID,
RefCommentID: refCommentID,
RefAction: xref.Action,
RefIsPull: ctx.OrigIssue.IsPull,
}
_, err := CreateComment(stdCtx, opts)
if err != nil {
return err
}
}
return nil
}
func (issue *Issue) getCrossReferences(stdCtx context.Context, ctx *crossReferencesContext, plaincontent, mdcontent string) ([]*crossReference, error) {
xreflist := make([]*crossReference, 0, 5)
var (
refRepo *repo_model.Repository
refIssue *Issue
refAction references.XRefAction
err error
)
allrefs := append(references.FindAllIssueReferences(plaincontent), references.FindAllIssueReferencesMarkdown(mdcontent)...)
for _, ref := range allrefs {
if ref.Owner == "" && ref.Name == "" {
// Issues in the same repository
if err := ctx.OrigIssue.LoadRepo(stdCtx); err != nil {
return nil, err
}
refRepo = ctx.OrigIssue.Repo
} else {
// Issues in other repositories
refRepo, err = repo_model.GetRepositoryByOwnerAndName(stdCtx, ref.Owner, ref.Name)
if err != nil {
if repo_model.IsErrRepoNotExist(err) {
continue
}
return nil, err
}
}
if refIssue, refAction, err = ctx.OrigIssue.verifyReferencedIssue(stdCtx, ctx, refRepo, ref); err != nil {
return nil, err
}
if refIssue != nil {
xreflist = ctx.OrigIssue.updateCrossReferenceList(xreflist, &crossReference{
Issue: refIssue,
Action: refAction,
})
}
}
return xreflist, nil
}
func (issue *Issue) updateCrossReferenceList(list []*crossReference, xref *crossReference) []*crossReference {
if xref.Issue.ID == issue.ID {
return list
}
for i, r := range list {
if r.Issue.ID == xref.Issue.ID {
if xref.Action != references.XRefActionNone {
list[i].Action = xref.Action
}
return list
}
}
return append(list, xref)
}
// verifyReferencedIssue will check if the referenced issue exists, and whether the doer has permission to do what
func (issue *Issue) verifyReferencedIssue(stdCtx context.Context, ctx *crossReferencesContext, repo *repo_model.Repository,
ref references.IssueReference,
) (*Issue, references.XRefAction, error) {
refIssue := &Issue{RepoID: repo.ID, Index: ref.Index}
refAction := ref.Action
e := db.GetEngine(stdCtx)
if has, _ := e.Get(refIssue); !has {
return nil, references.XRefActionNone, nil
}
if err := refIssue.LoadRepo(stdCtx); err != nil {
return nil, references.XRefActionNone, err
}
// Close/reopen actions can only be set from pull requests to issues
if refIssue.IsPull || !issue.IsPull {
refAction = references.XRefActionNone
}
// Check doer permissions; set action to None if the doer can't change the destination
if refIssue.RepoID != ctx.OrigIssue.RepoID || ref.Action != references.XRefActionNone {
perm, err := access_model.GetUserRepoPermission(stdCtx, refIssue.Repo, ctx.Doer)
if err != nil {
return nil, references.XRefActionNone, err
}
if !perm.CanReadIssuesOrPulls(refIssue.IsPull) {
return nil, references.XRefActionNone, nil
}
// Accept close/reopening actions only if the poster is able to close the
// referenced issue manually at this moment. The only exception is
// the poster of a new PR referencing an issue on the same repo: then the merger
// should be responsible for checking whether the reference should resolve.
if ref.Action != references.XRefActionNone &&
ctx.Doer.ID != refIssue.PosterID &&
!perm.CanWriteIssuesOrPulls(refIssue.IsPull) &&
(refIssue.RepoID != ctx.OrigIssue.RepoID || ctx.OrigComment != nil) {
refAction = references.XRefActionNone
}
}
return refIssue, refAction, nil
}
// AddCrossReferences add cross references
func (c *Comment) AddCrossReferences(stdCtx context.Context, doer *user_model.User, removeOld bool) error {
if c.Type != CommentTypeCode && c.Type != CommentTypeComment {
return nil
}
if err := c.LoadIssue(stdCtx); err != nil {
return err
}
ctx := &crossReferencesContext{
Type: CommentTypeCommentRef,
Doer: doer,
OrigIssue: c.Issue,
OrigComment: c,
RemoveOld: removeOld,
}
return c.Issue.createCrossReferences(stdCtx, ctx, "", c.Content)
}
func (c *Comment) neuterCrossReferences(ctx context.Context) error {
return neuterCrossReferences(ctx, c.IssueID, c.ID)
}
// LoadRefComment loads comment that created this reference from database
func (c *Comment) LoadRefComment() (err error) {
if c.RefComment != nil {
return nil
}
c.RefComment, err = GetCommentByID(db.DefaultContext, c.RefCommentID)
return err
}
// LoadRefIssue loads comment that created this reference from database
func (c *Comment) LoadRefIssue() (err error) {
if c.RefIssue != nil {
return nil
}
c.RefIssue, err = GetIssueByID(db.DefaultContext, c.RefIssueID)
if err == nil {
err = c.RefIssue.LoadRepo(db.DefaultContext)
}
return err
}
// CommentTypeIsRef returns true if CommentType is a reference from another issue
func CommentTypeIsRef(t CommentType) bool {
return t == CommentTypeCommentRef || t == CommentTypePullRef || t == CommentTypeIssueRef
}
// RefCommentHTMLURL returns the HTML URL for the comment that created this reference
func (c *Comment) RefCommentHTMLURL() string {
// Edge case for when the reference is inside the title or the description of the referring issue
if c.RefCommentID == 0 {
return c.RefIssueHTMLURL()
}
if err := c.LoadRefComment(); err != nil { // Silently dropping errors :unamused:
log.Error("LoadRefComment(%d): %v", c.RefCommentID, err)
return ""
}
return c.RefComment.HTMLURL()
}
// RefIssueHTMLURL returns the HTML URL of the issue where this reference was created
func (c *Comment) RefIssueHTMLURL() string {
if err := c.LoadRefIssue(); err != nil { // Silently dropping errors :unamused:
log.Error("LoadRefIssue(%d): %v", c.RefCommentID, err)
return ""
}
return c.RefIssue.HTMLURL()
}
// RefIssueTitle returns the title of the issue where this reference was created
func (c *Comment) RefIssueTitle() string {
if err := c.LoadRefIssue(); err != nil { // Silently dropping errors :unamused:
log.Error("LoadRefIssue(%d): %v", c.RefCommentID, err)
return ""
}
return c.RefIssue.Title
}
// RefIssueIdent returns the user friendly identity (e.g. "#1234") of the issue where this reference was created
func (c *Comment) RefIssueIdent() string {
if err := c.LoadRefIssue(); err != nil { // Silently dropping errors :unamused:
log.Error("LoadRefIssue(%d): %v", c.RefCommentID, err)
return ""
}
// FIXME: check this name for cross-repository references (#7901 if it gets merged)
return fmt.Sprintf("#%d", c.RefIssue.Index)
}
// __________ .__ .__ __________ __
// \______ \__ __| | | |\______ \ ____ ________ __ ____ _______/ |_
// | ___/ | \ | | | | _// __ \/ ____/ | \_/ __ \ / ___/\ __\
// | | | | / |_| |_| | \ ___< <_| | | /\ ___/ \___ \ | |
// |____| |____/|____/____/____|_ /\___ >__ |____/ \___ >____ > |__|
// \/ \/ |__| \/ \/
// ResolveCrossReferences will return the list of references to close/reopen by this PR
func (pr *PullRequest) ResolveCrossReferences(ctx context.Context) ([]*Comment, error) {
unfiltered := make([]*Comment, 0, 5)
if err := db.GetEngine(ctx).
Where("ref_repo_id = ? AND ref_issue_id = ?", pr.Issue.RepoID, pr.Issue.ID).
In("ref_action", []references.XRefAction{references.XRefActionCloses, references.XRefActionReopens}).
OrderBy("id").
Find(&unfiltered); err != nil {
return nil, fmt.Errorf("get reference: %w", err)
}
refs := make([]*Comment, 0, len(unfiltered))
for _, ref := range unfiltered {
found := false
for i, r := range refs {
if r.IssueID == ref.IssueID {
// Keep only the latest
refs[i] = ref
found = true
break
}
}
if !found {
refs = append(refs, ref)
}
}
return refs, nil
}