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package cache
import (
"fmt"
"time"
"github.com/MichaelMure/git-bug/entities/bug"
"github.com/MichaelMure/git-bug/entities/identity"
"github.com/MichaelMure/git-bug/entity"
"github.com/MichaelMure/git-bug/entity/dag"
"github.com/MichaelMure/git-bug/repository"
)
var ErrNoMatchingOp = fmt.Errorf("no matching operation found")
// BugCache is a wrapper around a Bug. It provides multiple functions:
//
// 1. Provide a higher level API to use than the raw API from Bug.
// 2. Maintain an up-to-date Snapshot available.
// 3. Deal with concurrency.
type BugCache struct {
CachedEntityBase[*bug.Snapshot, bug.Operation]
}
func NewBugCache(b *bug.Bug, repo repository.ClockedRepo, getUserIdentity getUserIdentityFunc, entityUpdated func(id entity.Id) error) *BugCache {
return &BugCache{
CachedEntityBase: CachedEntityBase[*bug.Snapshot, bug.Operation]{
repo: repo,
entityUpdated: entityUpdated,
getUserIdentity: getUserIdentity,
entity: &withSnapshot[*bug.Snapshot, bug.Operation]{Interface: b},
},
}
}
func (c *BugCache) AddComment(message string) (entity.CombinedId, *bug.AddCommentOperation, error) {
return c.AddCommentWithFiles(message, nil)
}
func (c *BugCache) AddCommentWithFiles(message string, files []repository.Hash) (entity.CombinedId, *bug.AddCommentOperation, error) {
author, err := c.getUserIdentity()
if err != nil {
return entity.UnsetCombinedId, nil, err
}
return c.AddCommentRaw(author, time.Now().Unix(), message, files, nil)
}
func (c *BugCache) AddCommentRaw(author identity.Interface, unixTime int64, message string, files []repository.Hash, metadata map[string]string) (entity.CombinedId, *bug.AddCommentOperation, error) {
c.mu.Lock()
commentId, op, err := bug.AddComment(c.entity, author, unixTime, message, files, metadata)
c.mu.Unlock()
if err != nil {
return entity.UnsetCombinedId, nil, err
}
return commentId, op, c.notifyUpdated()
}
func (c *BugCache) ChangeLabels(added []string, removed []string) ([]bug.LabelChangeResult, *bug.LabelChangeOperation, error) {
author, err := c.getUserIdentity()
if err != nil {
return nil, 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, *bug.LabelChangeOperation, error) {
c.mu.Lock()
changes, op, err := bug.ChangeLabels(c.entity, author, unixTime, added, removed, metadata)
c.mu.Unlock()
if err != nil {
return changes, nil, err
}
return changes, op, c.notifyUpdated()
}
func (c *BugCache) ForceChangeLabels(added []string, removed []string) (*bug.LabelChangeOperation, error) {
author, err := c.getUserIdentity()
if err != nil {
return nil, err
}
return c.ForceChangeLabelsRaw(author, time.Now().Unix(), added, removed, nil)
}
func (c *BugCache) ForceChangeLabelsRaw(author identity.Interface, unixTime int64, added []string, removed []string, metadata map[string]string) (*bug.LabelChangeOperation, error) {
c.mu.Lock()
op, err := bug.ForceChangeLabels(c.entity, author, unixTime, added, removed, metadata)
c.mu.Unlock()
if err != nil {
return nil, err
}
return op, c.notifyUpdated()
}
func (c *BugCache) Open() (*bug.SetStatusOperation, error) {
author, err := c.getUserIdentity()
if err != nil {
return nil, err
}
return c.OpenRaw(author, time.Now().Unix(), nil)
}
func (c *BugCache) OpenRaw(author identity.Interface, unixTime int64, metadata map[string]string) (*bug.SetStatusOperation, error) {
c.mu.Lock()
op, err := bug.Open(c.entity, author, unixTime, metadata)
c.mu.Unlock()
if err != nil {
return nil, err
}
return op, c.notifyUpdated()
}
func (c *BugCache) Close() (*bug.SetStatusOperation, error) {
author, err := c.getUserIdentity()
if err != nil {
return nil, err
}
return c.CloseRaw(author, time.Now().Unix(), nil)
}
func (c *BugCache) CloseRaw(author identity.Interface, unixTime int64, metadata map[string]string) (*bug.SetStatusOperation, error) {
c.mu.Lock()
op, err := bug.Close(c.entity, author, unixTime, metadata)
c.mu.Unlock()
if err != nil {
return nil, err
}
return op, c.notifyUpdated()
}
func (c *BugCache) SetTitle(title string) (*bug.SetTitleOperation, error) {
author, err := c.getUserIdentity()
if err != nil {
return nil, 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) (*bug.SetTitleOperation, error) {
c.mu.Lock()
op, err := bug.SetTitle(c.entity, author, unixTime, title, metadata)
c.mu.Unlock()
if err != nil {
return nil, err
}
return op, c.notifyUpdated()
}
// EditCreateComment is a convenience function to edit the body of a bug (the first comment)
func (c *BugCache) EditCreateComment(body string) (entity.CombinedId, *bug.EditCommentOperation, error) {
author, err := c.getUserIdentity()
if err != nil {
return entity.UnsetCombinedId, nil, err
}
return c.EditCreateCommentRaw(author, time.Now().Unix(), body, nil)
}
// EditCreateCommentRaw is a convenience function to edit the body of a bug (the first comment)
func (c *BugCache) EditCreateCommentRaw(author identity.Interface, unixTime int64, body string, metadata map[string]string) (entity.CombinedId, *bug.EditCommentOperation, error) {
c.mu.Lock()
commentId, op, err := bug.EditCreateComment(c.entity, author, unixTime, body, nil, metadata)
c.mu.Unlock()
if err != nil {
return entity.UnsetCombinedId, nil, err
}
return commentId, op, c.notifyUpdated()
}
func (c *BugCache) EditComment(target entity.CombinedId, message string) (*bug.EditCommentOperation, error) {
author, err := c.getUserIdentity()
if err != nil {
return nil, err
}
return c.EditCommentRaw(author, time.Now().Unix(), target, message, nil)
}
func (c *BugCache) EditCommentRaw(author identity.Interface, unixTime int64, target entity.CombinedId, message string, metadata map[string]string) (*bug.EditCommentOperation, error) {
comment, err := c.Snapshot().SearchComment(target)
if err != nil {
return nil, err
}
c.mu.Lock()
commentId, op, err := bug.EditComment(c.entity, author, unixTime, comment.TargetId(), message, nil, metadata)
c.mu.Unlock()
if err != nil {
return nil, err
}
if commentId != target {
panic("EditComment returned unexpected comment id")
}
return op, c.notifyUpdated()
}
func (c *BugCache) SetMetadata(target entity.Id, newMetadata map[string]string) (*dag.SetMetadataOperation[*bug.Snapshot], error) {
author, err := c.getUserIdentity()
if err != nil {
return nil, err
}
return c.SetMetadataRaw(author, time.Now().Unix(), target, newMetadata)
}
func (c *BugCache) SetMetadataRaw(author identity.Interface, unixTime int64, target entity.Id, newMetadata map[string]string) (*dag.SetMetadataOperation[*bug.Snapshot], error) {
c.mu.Lock()
op, err := bug.SetMetadata(c.entity, author, unixTime, target, newMetadata)
c.mu.Unlock()
if err != nil {
return nil, err
}
return op, c.notifyUpdated()
}
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