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https://github.com/go-gitea/gitea
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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>
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@ -212,6 +212,8 @@ var migrations = []Migration{
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NewMigration("Add ResolveDoerID to Comment table", addResolveDoerIDCommentColumn),
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// v139 -> v140
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NewMigration("prepend refs/heads/ to issue refs", prependRefsHeadsToIssueRefs),
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// v140 -> v141
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NewMigration("Save detected language file size to database instead of percent", fixLanguageStatsToSaveSize),
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}
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// GetCurrentDBVersion returns the current db version
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56
models/migrations/v140.go
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56
models/migrations/v140.go
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@ -0,0 +1,56 @@
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// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package migrations
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import (
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"fmt"
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"code.gitea.io/gitea/modules/setting"
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"xorm.io/xorm"
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)
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func fixLanguageStatsToSaveSize(x *xorm.Engine) error {
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// LanguageStat see models/repo_language_stats.go
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type LanguageStat struct {
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Size int64 `xorm:"NOT NULL DEFAULT 0"`
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}
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// RepoIndexerType specifies the repository indexer type
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type RepoIndexerType int
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const (
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// RepoIndexerTypeCode code indexer
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RepoIndexerTypeCode RepoIndexerType = iota // 0
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// RepoIndexerTypeStats repository stats indexer
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RepoIndexerTypeStats // 1
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)
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// RepoIndexerStatus see models/repo_indexer.go
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type RepoIndexerStatus struct {
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IndexerType RepoIndexerType `xorm:"INDEX(s) NOT NULL DEFAULT 0"`
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}
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if err := x.Sync2(new(LanguageStat)); err != nil {
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return fmt.Errorf("Sync2: %v", err)
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}
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x.Delete(&RepoIndexerStatus{IndexerType: RepoIndexerTypeStats})
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// Delete language stat statuses
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truncExpr := "TRUNCATE TABLE"
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if setting.Database.UseSQLite3 {
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truncExpr = "DELETE FROM"
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}
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// Delete language stats
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if _, err := x.Exec(fmt.Sprintf("%s language_stat", truncExpr)); err != nil {
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return err
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}
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sess := x.NewSession()
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defer sess.Close()
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return dropTableColumns(sess, "language_stat", "percentage")
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}
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@ -20,11 +20,28 @@ type LanguageStat struct {
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CommitID string
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IsPrimary bool
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Language string `xorm:"VARCHAR(30) UNIQUE(s) INDEX NOT NULL"`
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Percentage float32 `xorm:"NUMERIC(5,2) NOT NULL DEFAULT 0"`
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Percentage float32 `xorm:"-"`
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Size int64 `xorm:"NOT NULL DEFAULT 0"`
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Color string `xorm:"-"`
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CreatedUnix timeutil.TimeStamp `xorm:"INDEX CREATED"`
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}
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// specialLanguages defines list of languages that are excluded from the calculation
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// unless they are the only language present in repository. Only languages which under
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// normal circumstances are not considered to be code should be listed here.
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var specialLanguages = map[string]struct{}{
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"XML": {},
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"JSON": {},
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"TOML": {},
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"YAML": {},
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"INI": {},
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"SQL": {},
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"SVG": {},
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"Text": {},
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"Markdown": {},
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"other": {},
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}
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// LanguageStatList defines a list of language statistics
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type LanguageStatList []*LanguageStat
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@ -34,12 +51,53 @@ func (stats LanguageStatList) loadAttributes() {
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}
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}
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func (stats LanguageStatList) getLanguagePercentages() map[string]float32 {
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langPerc := make(map[string]float32)
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var otherPerc float32 = 100
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var total int64
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// Check that repository has at least one non-special language
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var skipSpecial bool
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for _, stat := range stats {
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if _, ok := specialLanguages[stat.Language]; !ok {
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skipSpecial = true
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break
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}
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}
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for _, stat := range stats {
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// Exclude specific languages from percentage calculation
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if _, ok := specialLanguages[stat.Language]; ok && skipSpecial {
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continue
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}
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total += stat.Size
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}
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if total > 0 {
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for _, stat := range stats {
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// Exclude specific languages from percentage calculation
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if _, ok := specialLanguages[stat.Language]; ok && skipSpecial {
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continue
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}
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perc := float32(math.Round(float64(stat.Size)/float64(total)*1000) / 10)
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if perc <= 0.1 {
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continue
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}
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otherPerc -= perc
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langPerc[stat.Language] = perc
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}
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otherPerc = float32(math.Round(float64(otherPerc)*10) / 10)
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} else {
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otherPerc = 100
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}
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if otherPerc > 0 {
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langPerc["other"] = otherPerc
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}
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return langPerc
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}
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func (repo *Repository) getLanguageStats(e Engine) (LanguageStatList, error) {
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stats := make(LanguageStatList, 0, 6)
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if err := e.Where("`repo_id` = ?", repo.ID).Desc("`percentage`").Find(&stats); err != nil {
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if err := e.Where("`repo_id` = ?", repo.ID).Desc("`size`").Find(&stats); err != nil {
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return nil, err
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}
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stats.loadAttributes()
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return stats, nil
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}
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@ -54,13 +112,18 @@ func (repo *Repository) GetTopLanguageStats(limit int) (LanguageStatList, error)
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if err != nil {
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return nil, err
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}
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perc := stats.getLanguagePercentages()
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topstats := make(LanguageStatList, 0, limit)
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var other float32
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for i := range stats {
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if stats[i].Language == "other" || len(topstats) >= limit {
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other += stats[i].Percentage
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if _, ok := perc[stats[i].Language]; !ok {
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continue
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}
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if stats[i].Language == "other" || len(topstats) >= limit {
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other += perc[stats[i].Language]
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continue
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}
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stats[i].Percentage = perc[stats[i].Language]
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topstats = append(topstats, stats[i])
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}
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if other > 0 {
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@ -71,11 +134,12 @@ func (repo *Repository) GetTopLanguageStats(limit int) (LanguageStatList, error)
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Percentage: float32(math.Round(float64(other)*10) / 10),
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})
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}
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topstats.loadAttributes()
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return topstats, nil
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}
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// UpdateLanguageStats updates the language statistics for repository
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func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]float32) error {
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func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]int64) error {
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sess := x.NewSession()
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if err := sess.Begin(); err != nil {
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return err
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@ -87,15 +151,15 @@ func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]fl
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return err
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}
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var topLang string
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var p float32
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for lang, perc := range stats {
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if perc > p {
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p = perc
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var s int64
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for lang, size := range stats {
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if size > s {
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s = size
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topLang = strings.ToLower(lang)
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}
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}
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for lang, perc := range stats {
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for lang, size := range stats {
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upd := false
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llang := strings.ToLower(lang)
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for _, s := range oldstats {
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@ -103,8 +167,8 @@ func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]fl
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if strings.ToLower(s.Language) == llang {
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s.CommitID = commitID
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s.IsPrimary = llang == topLang
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s.Percentage = perc
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if _, err := sess.ID(s.ID).Cols("`commit_id`", "`percentage`", "`is_primary`").Update(s); err != nil {
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s.Size = size
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if _, err := sess.ID(s.ID).Cols("`commit_id`", "`size`", "`is_primary`").Update(s); err != nil {
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return err
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}
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upd = true
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@ -114,11 +178,11 @@ func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]fl
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// Insert new language
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if !upd {
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if _, err := sess.Insert(&LanguageStat{
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RepoID: repo.ID,
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CommitID: commitID,
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IsPrimary: llang == topLang,
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Language: lang,
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Percentage: perc,
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RepoID: repo.ID,
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CommitID: commitID,
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IsPrimary: llang == topLang,
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Language: lang,
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Size: size,
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}); err != nil {
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return err
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}
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@ -153,7 +217,7 @@ func CopyLanguageStat(originalRepo, destRepo *Repository) error {
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return err
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}
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RepoLang := make(LanguageStatList, 0, 6)
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if err := sess.Where("`repo_id` = ?", originalRepo.ID).Desc("`percentage`").Find(&RepoLang); err != nil {
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if err := sess.Where("`repo_id` = ?", originalRepo.ID).Desc("`size`").Find(&RepoLang); err != nil {
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return err
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}
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if len(RepoLang) > 0 {
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@ -8,7 +8,6 @@ import (
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"bytes"
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"io"
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"io/ioutil"
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"math"
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"code.gitea.io/gitea/modules/analyze"
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@ -21,7 +20,7 @@ import (
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const fileSizeLimit int64 = 16 * 1024 * 1024
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// GetLanguageStats calculates language stats for git repository at specified commit
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func (repo *Repository) GetLanguageStats(commitID string) (map[string]float32, error) {
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func (repo *Repository) GetLanguageStats(commitID string) (map[string]int64, error) {
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r, err := git.PlainOpen(repo.Path)
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if err != nil {
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return nil, err
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@ -43,7 +42,6 @@ func (repo *Repository) GetLanguageStats(commitID string) (map[string]float32, e
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}
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sizes := make(map[string]int64)
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var total int64
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err = tree.Files().ForEach(func(f *object.File) error {
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if enry.IsVendor(f.Name) || enry.IsDotFile(f.Name) ||
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enry.IsDocumentation(f.Name) || enry.IsConfiguration(f.Name) {
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@ -60,11 +58,10 @@ func (repo *Repository) GetLanguageStats(commitID string) (map[string]float32, e
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language := analyze.GetCodeLanguage(f.Name, content)
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if language == enry.OtherLanguage || language == "" {
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return nil
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language = "other"
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}
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sizes[language] += f.Size
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total += f.Size
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return nil
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})
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@ -72,21 +69,11 @@ func (repo *Repository) GetLanguageStats(commitID string) (map[string]float32, e
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return nil, err
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}
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stats := make(map[string]float32)
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var otherPerc float32 = 100
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for language, size := range sizes {
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perc := float32(math.Round(float64(size)/float64(total)*1000) / 10)
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if perc <= 0.1 {
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continue
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}
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otherPerc -= perc
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stats[language] = perc
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if len(sizes) == 0 {
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sizes["other"] = 0
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}
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otherPerc = float32(math.Round(float64(otherPerc)*10) / 10)
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if otherPerc > 0 {
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stats["other"] = otherPerc
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}
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return stats, nil
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return sizes, nil
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}
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func readFile(f *object.File, limit int64) ([]byte, error) {
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@ -34,6 +34,9 @@ func TestRepoStatsIndex(t *testing.T) {
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repo, err := models.GetRepositoryByID(1)
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assert.NoError(t, err)
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status, err := repo.GetIndexerStatus(models.RepoIndexerTypeStats)
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assert.NoError(t, err)
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assert.Equal(t, "65f1bf27bc3bf70f64657658635e66094edbcb4d", status.CommitSha)
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langs, err := repo.GetTopLanguageStats(5)
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assert.NoError(t, err)
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assert.Len(t, langs, 1)
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