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commit_extractor.go
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commit_extractor.go
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package chglog
import (
"sort"
"strings"
)
type commitExtractor struct {
opts *Options
}
func newCommitExtractor(opts *Options) *commitExtractor {
return &commitExtractor{
opts: opts,
}
}
func (e *commitExtractor) Extract(commits []*Commit) ([]*CommitGroup, []*Commit, []*Commit, []*NoteGroup) {
commitGroups := []*CommitGroup{}
noteGroups := []*NoteGroup{}
mergeCommits := []*Commit{}
revertCommits := []*Commit{}
filteredCommits := commitFilter(commits, e.opts.CommitFilters, e.opts.NoCaseSensitive)
for _, commit := range commits {
if commit.Merge != nil {
mergeCommits = append(mergeCommits, commit)
continue
}
if commit.Revert != nil {
revertCommits = append(revertCommits, commit)
continue
}
}
for _, commit := range filteredCommits {
if commit.Merge == nil && commit.Revert == nil {
e.processCommitGroups(&commitGroups, commit, e.opts.NoCaseSensitive)
}
e.processNoteGroups(¬eGroups, commit)
}
e.sortCommitGroups(commitGroups)
e.sortNoteGroups(noteGroups)
return commitGroups, mergeCommits, revertCommits, noteGroups
}
func (e *commitExtractor) processCommitGroups(groups *[]*CommitGroup, commit *Commit, noCaseSensitive bool) {
var group *CommitGroup
// commit group
raw, ttl := e.commitGroupTitle(commit)
for _, g := range *groups {
rawTitleTmp := g.RawTitle
if noCaseSensitive {
rawTitleTmp = strings.ToLower(g.RawTitle)
}
rawTmp := raw
if noCaseSensitive {
rawTmp = strings.ToLower(raw)
}
if rawTitleTmp == rawTmp {
group = g
}
}
if group != nil {
group.Commits = append(group.Commits, commit)
} else if raw != "" {
*groups = append(*groups, &CommitGroup{
RawTitle: raw,
Title: ttl,
Commits: []*Commit{commit},
})
}
}
func (e *commitExtractor) processNoteGroups(groups *[]*NoteGroup, commit *Commit) {
if len(commit.Notes) != 0 {
for _, note := range commit.Notes {
e.appendNoteToNoteGroups(groups, note)
}
}
}
func (e *commitExtractor) appendNoteToNoteGroups(groups *[]*NoteGroup, note *Note) {
exist := false
for _, g := range *groups {
if g.Title == note.Title {
exist = true
g.Notes = append(g.Notes, note)
}
}
if !exist {
*groups = append(*groups, &NoteGroup{
Title: note.Title,
Notes: []*Note{note},
})
}
}
func (e *commitExtractor) commitGroupTitle(commit *Commit) (string, string) {
var (
raw string
ttl string
)
if title, ok := dotGet(commit, e.opts.CommitGroupBy); ok {
if v, ok := title.(string); ok {
raw = v
if t, ok := e.opts.CommitGroupTitleMaps[v]; ok {
ttl = t
} else {
ttl = strings.Title(raw)
}
}
}
return raw, ttl
}
func (e *commitExtractor) sortCommitGroups(groups []*CommitGroup) {
order := make(map[string]int)
if e.opts.CommitGroupSortBy == "Custom" {
for i, t := range e.opts.CommitGroupTitleOrder {
order[t] = i
}
}
// groups
sort.Slice(groups, func(i, j int) bool {
if e.opts.CommitGroupSortBy == "Custom" {
return order[groups[i].RawTitle] < order[groups[j].RawTitle]
}
var (
a, b interface{}
ok bool
)
a, ok = dotGet(groups[i], e.opts.CommitGroupSortBy)
if !ok {
return false
}
b, ok = dotGet(groups[j], e.opts.CommitGroupSortBy)
if !ok {
return false
}
res, err := compare(a, "<", b)
if err != nil {
return false
}
return res
})
// commits
for _, group := range groups {
sort.Slice(group.Commits, func(i, j int) bool {
var (
a, b interface{}
ok bool
)
a, ok = dotGet(group.Commits[i], e.opts.CommitSortBy)
if !ok {
return false
}
b, ok = dotGet(group.Commits[j], e.opts.CommitSortBy)
if !ok {
return false
}
res, err := compare(a, "<", b)
if err != nil {
return false
}
return res
})
}
}
func (e *commitExtractor) sortNoteGroups(groups []*NoteGroup) {
// groups
sort.Slice(groups, func(i, j int) bool {
return strings.ToLower(groups[i].Title) < strings.ToLower(groups[j].Title)
})
// notes
for _, group := range groups {
sort.Slice(group.Notes, func(i, j int) bool {
return strings.ToLower(group.Notes[i].Title) < strings.ToLower(group.Notes[j].Title)
})
}
}