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// 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 models
import (
"math"
"strings"
"code.gitea.io/gitea/modules/timeutil"
"github.com/src-d/enry/v2"
)
// LanguageStat describes language statistics of a repository
type LanguageStat struct {
ID int64 `xorm:"pk autoincr"`
RepoID int64 `xorm:"UNIQUE(s) INDEX NOT NULL"`
CommitID string
IsPrimary bool
Language string `xorm:"VARCHAR(30) UNIQUE(s) INDEX NOT NULL"`
Percentage float32 `xorm:"NUMERIC(5,2) NOT NULL DEFAULT 0"`
Color string `xorm:"-"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX CREATED"`
}
// LanguageStatList defines a list of language statistics
type LanguageStatList []*LanguageStat
func (stats LanguageStatList) loadAttributes() {
for i := range stats {
stats[i].Color = enry.GetColor(stats[i].Language)
}
}
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 {
return nil, err
}
stats.loadAttributes()
return stats, nil
}
// GetLanguageStats returns the language statistics for a repository
func (repo *Repository) GetLanguageStats() (LanguageStatList, error) {
return repo.getLanguageStats(x)
}
// GetTopLanguageStats returns the top language statistics for a repository
func (repo *Repository) GetTopLanguageStats(limit int) (LanguageStatList, error) {
stats, err := repo.getLanguageStats(x)
if err != nil {
return nil, err
}
topstats := make(LanguageStatList, 0, limit)
var other float32
for i := range stats {
if stats[i].Language == "other" || len(topstats) >= limit {
other += stats[i].Percentage
continue
}
topstats = append(topstats, stats[i])
}
if other > 0 {
topstats = append(topstats, &LanguageStat{
RepoID: repo.ID,
Language: "other",
Color: "#cccccc",
Percentage: float32(math.Round(float64(other)*10) / 10),
})
}
return topstats, nil
}
// UpdateLanguageStats updates the language statistics for repository
func (repo *Repository) UpdateLanguageStats(commitID string, stats map[string]float32) error {
sess := x.NewSession()
if err := sess.Begin(); err != nil {
return err
}
defer sess.Close()
oldstats, err := repo.getLanguageStats(sess)
if err != nil {
return err
}
var topLang string
var p float32
for lang, perc := range stats {
if perc > p {
p = perc
topLang = strings.ToLower(lang)
}
}
for lang, perc := range stats {
upd := false
llang := strings.ToLower(lang)
for _, s := range oldstats {
// Update already existing language
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 {
return err
}
upd = true
break
}
}
// Insert new language
if !upd {
if _, err := sess.Insert(&LanguageStat{
RepoID: repo.ID,
CommitID: commitID,
IsPrimary: llang == topLang,
Language: lang,
Percentage: perc,
}); err != nil {
return err
}
}
}
// Delete old languages
statsToDelete := make([]int64, 0, len(oldstats))
for _, s := range oldstats {
if s.CommitID != commitID {
statsToDelete = append(statsToDelete, s.ID)
}
}
if len(statsToDelete) > 0 {
if _, err := sess.In("`id`", statsToDelete).Delete(&LanguageStat{}); err != nil {
return err
}
}
// Update indexer status
if err = repo.updateIndexerStatus(sess, RepoIndexerTypeStats, commitID); err != nil {
return err
}
return sess.Commit()
}
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