1package cache
  2
  3import (
  4	"fmt"
  5	"time"
  6
  7	"github.com/MichaelMure/git-bug/bug"
  8	"github.com/MichaelMure/git-bug/entity"
  9	"github.com/MichaelMure/git-bug/util/git"
 10)
 11
 12var ErrNoMatchingOp = fmt.Errorf("no matching operation found")
 13
 14// BugCache is a wrapper around a Bug. It provide multiple functions:
 15//
 16// 1. Provide a higher level API to use than the raw API from Bug.
 17// 2. Maintain an up to date Snapshot available.
 18type BugCache struct {
 19	repoCache *RepoCache
 20	bug       *bug.WithSnapshot
 21}
 22
 23func NewBugCache(repoCache *RepoCache, b *bug.Bug) *BugCache {
 24	return &BugCache{
 25		repoCache: repoCache,
 26		bug:       &bug.WithSnapshot{Bug: b},
 27	}
 28}
 29
 30func (c *BugCache) Snapshot() *bug.Snapshot {
 31	return c.bug.Snapshot()
 32}
 33
 34func (c *BugCache) Id() entity.Id {
 35	return c.bug.Id()
 36}
 37
 38func (c *BugCache) notifyUpdated() error {
 39	return c.repoCache.bugUpdated(c.bug.Id())
 40}
 41
 42// ResolveOperationWithMetadata will find an operation that has the matching metadata
 43func (c *BugCache) ResolveOperationWithMetadata(key string, value string) (entity.Id, error) {
 44	// preallocate but empty
 45	matching := make([]entity.Id, 0, 5)
 46
 47	it := bug.NewOperationIterator(c.bug)
 48	for it.Next() {
 49		op := it.Value()
 50		opValue, ok := op.GetMetadata(key)
 51		if ok && value == opValue {
 52			matching = append(matching, op.Id())
 53		}
 54	}
 55
 56	if len(matching) == 0 {
 57		return "", ErrNoMatchingOp
 58	}
 59
 60	if len(matching) > 1 {
 61		return "", bug.NewErrMultipleMatchOp(matching)
 62	}
 63
 64	return matching[0], nil
 65}
 66
 67func (c *BugCache) AddComment(message string) (*bug.AddCommentOperation, error) {
 68	return c.AddCommentWithFiles(message, nil)
 69}
 70
 71func (c *BugCache) AddCommentWithFiles(message string, files []git.Hash) (*bug.AddCommentOperation, error) {
 72	author, err := c.repoCache.GetUserIdentity()
 73	if err != nil {
 74		return nil, err
 75	}
 76
 77	return c.AddCommentRaw(author, time.Now().Unix(), message, files, nil)
 78}
 79
 80func (c *BugCache) AddCommentRaw(author *IdentityCache, unixTime int64, message string, files []git.Hash, metadata map[string]string) (*bug.AddCommentOperation, error) {
 81	op, err := bug.AddCommentWithFiles(c.bug, author.Identity, unixTime, message, files)
 82	if err != nil {
 83		return nil, err
 84	}
 85
 86	for key, value := range metadata {
 87		op.SetMetadata(key, value)
 88	}
 89
 90	return op, c.notifyUpdated()
 91}
 92
 93func (c *BugCache) ChangeLabels(added []string, removed []string) ([]bug.LabelChangeResult, *bug.LabelChangeOperation, error) {
 94	author, err := c.repoCache.GetUserIdentity()
 95	if err != nil {
 96		return nil, nil, err
 97	}
 98
 99	return c.ChangeLabelsRaw(author, time.Now().Unix(), added, removed, nil)
100}
101
102func (c *BugCache) ChangeLabelsRaw(author *IdentityCache, unixTime int64, added []string, removed []string, metadata map[string]string) ([]bug.LabelChangeResult, *bug.LabelChangeOperation, error) {
103	changes, op, err := bug.ChangeLabels(c.bug, author.Identity, unixTime, added, removed)
104	if err != nil {
105		return changes, nil, err
106	}
107
108	for key, value := range metadata {
109		op.SetMetadata(key, value)
110	}
111
112	err = c.notifyUpdated()
113	if err != nil {
114		return nil, nil, err
115	}
116
117	return changes, op, nil
118}
119
120func (c *BugCache) ForceChangeLabels(added []string, removed []string) (*bug.LabelChangeOperation, error) {
121	author, err := c.repoCache.GetUserIdentity()
122	if err != nil {
123		return nil, err
124	}
125
126	return c.ForceChangeLabelsRaw(author, time.Now().Unix(), added, removed, nil)
127}
128
129func (c *BugCache) ForceChangeLabelsRaw(author *IdentityCache, unixTime int64, added []string, removed []string, metadata map[string]string) (*bug.LabelChangeOperation, error) {
130	op, err := bug.ForceChangeLabels(c.bug, author.Identity, unixTime, added, removed)
131	if err != nil {
132		return nil, err
133	}
134
135	for key, value := range metadata {
136		op.SetMetadata(key, value)
137	}
138
139	err = c.notifyUpdated()
140	if err != nil {
141		return nil, err
142	}
143
144	return op, nil
145}
146
147func (c *BugCache) Open() (*bug.SetStatusOperation, error) {
148	author, err := c.repoCache.GetUserIdentity()
149	if err != nil {
150		return nil, err
151	}
152
153	return c.OpenRaw(author, time.Now().Unix(), nil)
154}
155
156func (c *BugCache) OpenRaw(author *IdentityCache, unixTime int64, metadata map[string]string) (*bug.SetStatusOperation, error) {
157	op, err := bug.Open(c.bug, author.Identity, unixTime)
158	if err != nil {
159		return nil, err
160	}
161
162	for key, value := range metadata {
163		op.SetMetadata(key, value)
164	}
165
166	return op, c.notifyUpdated()
167}
168
169func (c *BugCache) Close() (*bug.SetStatusOperation, error) {
170	author, err := c.repoCache.GetUserIdentity()
171	if err != nil {
172		return nil, err
173	}
174
175	return c.CloseRaw(author, time.Now().Unix(), nil)
176}
177
178func (c *BugCache) CloseRaw(author *IdentityCache, unixTime int64, metadata map[string]string) (*bug.SetStatusOperation, error) {
179	op, err := bug.Close(c.bug, author.Identity, unixTime)
180	if err != nil {
181		return nil, err
182	}
183
184	for key, value := range metadata {
185		op.SetMetadata(key, value)
186	}
187
188	return op, c.notifyUpdated()
189}
190
191func (c *BugCache) SetTitle(title string) (*bug.SetTitleOperation, error) {
192	author, err := c.repoCache.GetUserIdentity()
193	if err != nil {
194		return nil, err
195	}
196
197	return c.SetTitleRaw(author, time.Now().Unix(), title, nil)
198}
199
200func (c *BugCache) SetTitleRaw(author *IdentityCache, unixTime int64, title string, metadata map[string]string) (*bug.SetTitleOperation, error) {
201	op, err := bug.SetTitle(c.bug, author.Identity, unixTime, title)
202	if err != nil {
203		return nil, err
204	}
205
206	for key, value := range metadata {
207		op.SetMetadata(key, value)
208	}
209
210	return op, c.notifyUpdated()
211}
212
213func (c *BugCache) EditComment(target entity.Id, message string) (*bug.EditCommentOperation, error) {
214	author, err := c.repoCache.GetUserIdentity()
215	if err != nil {
216		return nil, err
217	}
218
219	return c.EditCommentRaw(author, time.Now().Unix(), target, message, nil)
220}
221
222func (c *BugCache) EditCommentRaw(author *IdentityCache, unixTime int64, target entity.Id, message string, metadata map[string]string) (*bug.EditCommentOperation, error) {
223	op, err := bug.EditComment(c.bug, author.Identity, unixTime, target, message)
224	if err != nil {
225		return nil, err
226	}
227
228	for key, value := range metadata {
229		op.SetMetadata(key, value)
230	}
231
232	return op, c.notifyUpdated()
233}
234
235func (c *BugCache) SetMetadata(target entity.Id, newMetadata map[string]string) (*bug.SetMetadataOperation, error) {
236	author, err := c.repoCache.GetUserIdentity()
237	if err != nil {
238		return nil, err
239	}
240
241	return c.SetMetadataRaw(author, time.Now().Unix(), target, newMetadata)
242}
243
244func (c *BugCache) SetMetadataRaw(author *IdentityCache, unixTime int64, target entity.Id, newMetadata map[string]string) (*bug.SetMetadataOperation, error) {
245	op, err := bug.SetMetadata(c.bug, author.Identity, unixTime, target, newMetadata)
246	if err != nil {
247		return nil, err
248	}
249
250	return op, c.notifyUpdated()
251}
252
253func (c *BugCache) Commit() error {
254	err := c.bug.Commit(c.repoCache.repo)
255	if err != nil {
256		return err
257	}
258	return c.notifyUpdated()
259}
260
261func (c *BugCache) CommitAsNeeded() error {
262	err := c.bug.CommitAsNeeded(c.repoCache.repo)
263	if err != nil {
264		return err
265	}
266	return c.notifyUpdated()
267}
268
269func (c *BugCache) NeedCommit() bool {
270	return c.bug.NeedCommit()
271}