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Change language statistics to save size instead of percentage (#11681) (#11690) 

* Change language statistics to save size instead of percentage (#11681)

* Change language statistics to save size instead of percentage in database

Co-Authored-By: Cirno the Strongest <1447794+CirnoT@users.noreply.github.com>

* Do not exclude if only language

* Fix edge cases with special langauges

Co-authored-by: Cirno the Strongest <1447794+CirnoT@users.noreply.github.com>

* Fix language stat calculation (#11692)

* Fix language stat calculation

* Group languages and ignore 0 size files

* remove unneeded code

Co-authored-by: Cirno the Strongest <1447794+CirnoT@users.noreply.github.com>
This commit is contained in:
Lauris BH 2020-06-02 20:55:21 +03:00 committed by GitHub
parent 70739c32a9
commit a34826b19f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 140 additions and 40 deletions
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2
models/migrations/migrations.go
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@ -212,6 +212,8 @@ var migrations = []Migration{
NewMigration("Add ResolveDoerID to Comment table", addResolveDoerIDCommentColumn),
// v139 -> v140
NewMigration("prepend refs/heads/ to issue refs", prependRefsHeadsToIssueRefs),
// v140 -> v141
NewMigration("Save detected language file size to database instead of percent", fixLanguageStatsToSaveSize),
}
// GetCurrentDBVersion returns the current db version

56
models/migrations/v140.go Normal file
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@ -0,0 +1,56 @@
// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package migrations
import (
"fmt"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
)
func fixLanguageStatsToSaveSize(x *xorm.Engine) error {
// LanguageStat see models/repo_language_stats.go
type LanguageStat struct {
Size int64 `xorm:"NOT NULL DEFAULT 0"`
}
// RepoIndexerType specifies the repository indexer type
type RepoIndexerType int
const (
// RepoIndexerTypeCode code indexer
RepoIndexerTypeCode RepoIndexerType = iota // 0
// RepoIndexerTypeStats repository stats indexer
RepoIndexerTypeStats // 1
)
// RepoIndexerStatus see models/repo_indexer.go
type RepoIndexerStatus struct {
IndexerType RepoIndexerType `xorm:"INDEX(s) NOT NULL DEFAULT 0"`
}
if err := x.Sync2(new(LanguageStat)); err != nil {
return fmt.Errorf("Sync2: %v", err)
}
x.Delete(&RepoIndexerStatus{IndexerType: RepoIndexerTypeStats})
// Delete language stat statuses
truncExpr := "TRUNCATE TABLE"
if setting.Database.UseSQLite3 {
truncExpr = "DELETE FROM"
}
// Delete language stats
if _, err := x.Exec(fmt.Sprintf("%s language_stat", truncExpr)); err != nil {
return err
}
sess := x.NewSession()
defer sess.Close()
return dropTableColumns(sess, "language_stat", "percentage")
}

69
models/repo_language_stats.go
View File

@ -20,7 +20,8 @@ type LanguageStat struct {
CommitID string
IsPrimary bool
Language string `xorm:"VARCHAR(30) UNIQUE(s) INDEX NOT NULL"`
Percentage float32 `xorm:"NUMERIC(5,2) NOT NULL DEFAULT 0"`
Percentage float32 `xorm:"-"`
Size int64 `xorm:"NOT NULL DEFAULT 0"`
Color string `xorm:"-"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX CREATED"`
}
@ -34,12 +35,36 @@ func (stats LanguageStatList) loadAttributes() {
}
}
func (stats LanguageStatList) getLanguagePercentages() map[string]float32 {
langPerc := make(map[string]float32)
var otherPerc float32 = 100
var total int64
for _, stat := range stats {
total += stat.Size
}
if total > 0 {
for _, stat := range stats {
perc := float32(math.Round(float64(stat.Size)/float64(total)*1000) / 10)
if perc <= 0.1 {
continue
}
otherPerc -= perc
langPerc[stat.Language] = perc
}
otherPerc = float32(math.Round(float64(otherPerc)*10) / 10)
}
if otherPerc > 0 {
langPerc["other"] = otherPerc
}
return langPerc
}
func (repo *Repository) getLanguageStats(e Engine) (LanguageStatList, error) {
stats := make(LanguageStatList, 0, 6)
if err := e.Where("`repo_id` = ?", repo.ID).Desc("`percentage`").Find(&stats); err != nil {
if err := e.Where("`repo_id` = ?", repo.ID).Desc("`size`").Find(&stats); err != nil {
return nil, err
}
stats.loadAttributes()
return stats, nil
}
@ -54,13 +79,18 @@ func (repo *Repository) GetTopLanguageStats(limit int) (LanguageStatList, error)
if err != nil {
return nil, err
}
perc := stats.getLanguagePercentages()
topstats := make(LanguageStatList, 0, limit)
var other float32
for i := range stats {
if stats[i].Language == "other" || len(topstats) >= limit {
other += stats[i].Percentage
if _, ok := perc[stats[i].Language]; !ok {
continue
}
if stats[i].Language == "other" || len(topstats) >= limit {
other += perc[stats[i].Language]
continue
}
stats[i].Percentage = perc[stats[i].Language]
topstats = append(topstats, stats[i])
}
if other > 0 {
@ -71,11 +101,12 @@ func (repo *Repository) GetTopLanguageStats(limit int) (LanguageStatList, error)
Percentage: float32(math.Round(float64(other)*10) / 10),
})
}
topstats.loadAttributes()
return topstats, nil
}
// UpdateLanguageStats updates the language statistics for repository
func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]float32) error {
func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]int64) error {
sess := x.NewSession()
if err := sess.Begin(); err != nil {
return err
@ -87,15 +118,15 @@ func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]fl
return err
}
var topLang string
var p float32
for lang, perc := range stats {
if perc > p {
p = perc
var s int64
for lang, size := range stats {
if size > s {
s = size
topLang = strings.ToLower(lang)
}
}
for lang, perc := range stats {
for lang, size := range stats {
upd := false
llang := strings.ToLower(lang)
for _, s := range oldstats {
@ -103,8 +134,8 @@ func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]fl
if strings.ToLower(s.Language) == llang {
s.CommitID = commitID
s.IsPrimary = llang == topLang
s.Percentage = perc
if _, err := sess.ID(s.ID).Cols("`commit_id`", "`percentage`", "`is_primary`").Update(s); err != nil {
s.Size = size
if _, err := sess.ID(s.ID).Cols("`commit_id`", "`size`", "`is_primary`").Update(s); err != nil {
return err
}
upd = true
@ -114,11 +145,11 @@ func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]fl
// Insert new language
if !upd {
if _, err := sess.Insert(&LanguageStat{
RepoID: repo.ID,
CommitID: commitID,
IsPrimary: llang == topLang,
Language: lang,
Percentage: perc,
RepoID: repo.ID,
CommitID: commitID,
IsPrimary: llang == topLang,
Language: lang,
Size: size,
}); err != nil {
return err
}
@ -153,7 +184,7 @@ func CopyLanguageStat(originalRepo, destRepo *Repository) error {
return err
}
RepoLang := make(LanguageStatList, 0, 6)
if err := sess.Where("`repo_id` = ?", originalRepo.ID).Desc("`percentage`").Find(&RepoLang); err != nil {
if err := sess.Where("`repo_id` = ?", originalRepo.ID).Desc("`size`").Find(&RepoLang); err != nil {
return err
}
if len(RepoLang) > 0 {

46
modules/git/repo_language_stats.go
View File

@ -8,7 +8,6 @@ import (
"bytes"
"io"
"io/ioutil"
"math"
"code.gitea.io/gitea/modules/analyze"
@ -20,8 +19,22 @@ import (
const fileSizeLimit int64 = 16 * 1024 * 1024
// specialLanguages defines list of languages that are excluded from the calculation
// unless they are the only language present in repository. Only languages which under
// normal circumstances are not considered to be code should be listed here.
var specialLanguages = []string{
"XML",
"JSON",
"TOML",
"YAML",
"INI",
"SVG",
"Text",
"Markdown",
}
// GetLanguageStats calculates language stats for git repository at specified commit
func (repo *Repository) GetLanguageStats(commitID string) (map[string]float32, error) {
func (repo *Repository) GetLanguageStats(commitID string) (map[string]int64, error) {
r, err := git.PlainOpen(repo.Path)
if err != nil {
return nil, err
@ -43,9 +56,8 @@ func (repo *Repository) GetLanguageStats(commitID string) (map[string]float32, e
}
sizes := make(map[string]int64)
var total int64
err = tree.Files().ForEach(func(f *object.File) error {
if enry.IsVendor(f.Name) || enry.IsDotFile(f.Name) ||
if f.Size == 0 || enry.IsVendor(f.Name) || enry.IsDotFile(f.Name) ||
enry.IsDocumentation(f.Name) || enry.IsConfiguration(f.Name) {
return nil
}
@ -63,8 +75,13 @@ func (repo *Repository) GetLanguageStats(commitID string) (map[string]float32, e
return nil
}
// group languages, such as Pug -> HTML; SCSS -> CSS
group := enry.GetLanguageGroup(language)
if group != "" {
language = group
}
sizes[language] += f.Size
total += f.Size
return nil
})
@ -72,21 +89,14 @@ func (repo *Repository) GetLanguageStats(commitID string) (map[string]float32, e
return nil, err
}
stats := make(map[string]float32)
var otherPerc float32 = 100
for language, size := range sizes {
perc := float32(math.Round(float64(size)/float64(total)*1000) / 10)
if perc <= 0.1 {
continue
// filter special languages unless they are the only language
if len(sizes) > 1 {
for _, language := range specialLanguages {
delete(sizes, language)
}
otherPerc -= perc
stats[language] = perc
}
otherPerc = float32(math.Round(float64(otherPerc)*10) / 10)
if otherPerc > 0 {
stats["other"] = otherPerc
}
return stats, nil
return sizes, nil
}
func readFile(f *object.File, limit int64) ([]byte, error) {

7
modules/indexer/stats/indexer_test.go
View File

@ -34,9 +34,10 @@ func TestRepoStatsIndex(t *testing.T) {
repo, err := models.GetRepositoryByID(1)
assert.NoError(t, err)
status, err := repo.GetIndexerStatus(models.RepoIndexerTypeStats)
assert.NoError(t, err)
assert.Equal(t, "65f1bf27bc3bf70f64657658635e66094edbcb4d", status.CommitSha)
langs, err := repo.GetTopLanguageStats(5)
assert.NoError(t, err)
assert.Len(t, langs, 1)
assert.Equal(t, "other", langs[0].Language)
assert.Equal(t, float32(100), langs[0].Percentage)
assert.Empty(t, langs)
}