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package cache
import (
"fmt"
"strings"
"time"
"github.com/MichaelMure/git-bug/identity"
"github.com/MichaelMure/git-bug/bug"
"github.com/MichaelMure/git-bug/util/git"
)
// BugCache is a wrapper around a Bug. It provide multiple functions:
//
// 1. Provide a higher level API to use than the raw API from Bug.
// 2. Maintain an up to date Snapshot available.
type BugCache struct {
repoCache *RepoCache
bug *bug.WithSnapshot
}
func NewBugCache(repoCache *RepoCache, b *bug.Bug) *BugCache {
return &BugCache{
repoCache: repoCache,
bug: &bug.WithSnapshot{Bug: b},
}
}
func (c *BugCache) Snapshot() *bug.Snapshot {
return c.bug.Snapshot()
}
func (c *BugCache) Id() string {
return c.bug.Id()
}
func (c *BugCache) HumanId() string {
return c.bug.HumanId()
}
func (c *BugCache) notifyUpdated() error {
return c.repoCache.bugUpdated(c.bug.Id())
}
var ErrNoMatchingOp = fmt.Errorf("no matching operation found")
type ErrMultipleMatchOp struct {
Matching []git.Hash
}
func (e ErrMultipleMatchOp) Error() string {
casted := make([]string, len(e.Matching))
for i := range e.Matching {
casted[i] = string(e.Matching[i])
}
return fmt.Sprintf("Multiple matching operation found:\n%s", strings.Join(casted, "\n"))
}
// ResolveTargetWithMetadata will find an operation that has the matching metadata
func (c *BugCache) ResolveTargetWithMetadata(key string, value string) (git.Hash, error) {
// preallocate but empty
matching := make([]git.Hash, 0, 5)
it := bug.NewOperationIterator(c.bug)
for it.Next() {
op := it.Value()
opValue, ok := op.GetMetadata(key)
if ok && value == opValue {
h, err := op.Hash()
if err != nil {
return "", err
}
matching = append(matching, h)
}
}
if len(matching) == 0 {
return "", ErrNoMatchingOp
}
if len(matching) > 1 {
return "", ErrMultipleMatchOp{Matching: matching}
}
return matching[0], nil
}
func (c *BugCache) AddComment(message string) error {
return c.AddCommentWithFiles(message, nil)
}
func (c *BugCache) AddCommentWithFiles(message string, files []git.Hash) error {
author, err := identity.GetUserIdentity(c.repoCache.repo)
if err != nil {
return err
}
return c.AddCommentRaw(author, time.Now().Unix(), message, files, nil)
}
func (c *BugCache) AddCommentRaw(author identity.Interface, unixTime int64, message string, files []git.Hash, metadata map[string]string) error {
op, err := bug.AddCommentWithFiles(c.bug, author, unixTime, message, files)
if err != nil {
return err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
return c.notifyUpdated()
}
func (c *BugCache) ChangeLabels(added []string, removed []string) ([]bug.LabelChangeResult, error) {
author, err := identity.GetUserIdentity(c.repoCache.repo)
if err != nil {
return nil, err
}
return c.ChangeLabelsRaw(author, time.Now().Unix(), added, removed, nil)
}
func (c *BugCache) ChangeLabelsRaw(author identity.Interface, unixTime int64, added []string, removed []string, metadata map[string]string) ([]bug.LabelChangeResult, error) {
changes, op, err := bug.ChangeLabels(c.bug, author, unixTime, added, removed)
if err != nil {
return changes, err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
err = c.notifyUpdated()
if err != nil {
return nil, err
}
return changes, nil
}
func (c *BugCache) Open() error {
author, err := identity.GetUserIdentity(c.repoCache.repo)
if err != nil {
return err
}
return c.OpenRaw(author, time.Now().Unix(), nil)
}
func (c *BugCache) OpenRaw(author identity.Interface, unixTime int64, metadata map[string]string) error {
op, err := bug.Open(c.bug, author, unixTime)
if err != nil {
return err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
return c.notifyUpdated()
}
func (c *BugCache) Close() error {
author, err := identity.GetUserIdentity(c.repoCache.repo)
if err != nil {
return err
}
return c.CloseRaw(author, time.Now().Unix(), nil)
}
func (c *BugCache) CloseRaw(author identity.Interface, unixTime int64, metadata map[string]string) error {
op, err := bug.Close(c.bug, author, unixTime)
if err != nil {
return err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
return c.notifyUpdated()
}
func (c *BugCache) SetTitle(title string) error {
author, err := identity.GetUserIdentity(c.repoCache.repo)
if err != nil {
return err
}
return c.SetTitleRaw(author, time.Now().Unix(), title, nil)
}
func (c *BugCache) SetTitleRaw(author identity.Interface, unixTime int64, title string, metadata map[string]string) error {
op, err := bug.SetTitle(c.bug, author, unixTime, title)
if err != nil {
return err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
return c.notifyUpdated()
}
func (c *BugCache) EditComment(target git.Hash, message string) error {
author, err := identity.GetUserIdentity(c.repoCache.repo)
if err != nil {
return err
}
return c.EditCommentRaw(author, time.Now().Unix(), target, message, nil)
}
func (c *BugCache) EditCommentRaw(author identity.Interface, unixTime int64, target git.Hash, message string, metadata map[string]string) error {
op, err := bug.EditComment(c.bug, author, unixTime, target, message)
if err != nil {
return err
}
for key, value := range metadata {
op.SetMetadata(key, value)
}
return c.notifyUpdated()
}
func (c *BugCache) Commit() error {
return c.bug.Commit(c.repoCache.repo)
}
func (c *BugCache) CommitAsNeeded() error {
return c.bug.CommitAsNeeded(c.repoCache.repo)
}
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