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// Copyright 2019 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 git
import (
"bufio"
"bytes"
"fmt"
"strconv"
"strings"
"time"
)
// CodeActivityStats represents git statistics data
type CodeActivityStats struct {
AuthorCount int64
CommitCount int64
ChangedFiles int64
Additions int64
Deletions int64
CommitCountInAllBranches int64
Authors map[string]int64
}
// GetCodeActivityStats returns code statistics for acitivity page
func (repo *Repository) GetCodeActivityStats(fromTime time.Time, branch string) (*CodeActivityStats, error) {
stats := &CodeActivityStats{}
since := fromTime.Format(time.RFC3339)
stdout, err := NewCommand("rev-list", "--count", "--no-merges", "--branches=*", "--date=iso", fmt.Sprintf("--since='%s'", since)).RunInDirBytes(repo.Path)
if err != nil {
return nil, err
}
c, err := strconv.ParseInt(strings.TrimSpace(string(stdout)), 10, 64)
if err != nil {
return nil, err
}
stats.CommitCountInAllBranches = c
args := []string{"log", "--numstat", "--no-merges", "--pretty=format:---%n%h%n%an%n%ae%n", "--date=iso", fmt.Sprintf("--since='%s'", since)}
if len(branch) == 0 {
args = append(args, "--branches=*")
} else {
args = append(args, "--first-parent", branch)
}
stdout, err = NewCommand(args...).RunInDirBytes(repo.Path)
if err != nil {
return nil, err
}
scanner := bufio.NewScanner(bytes.NewReader(stdout))
scanner.Split(bufio.ScanLines)
stats.CommitCount = 0
stats.Additions = 0
stats.Deletions = 0
authors := make(map[string]int64)
files := make(map[string]bool)
p := 0
for scanner.Scan() {
l := strings.TrimSpace(scanner.Text())
if l == "---" {
p = 1
} else if p == 0 {
continue
} else {
p++
}
if p > 4 && len(l) == 0 {
continue
}
switch p {
case 1: // Separator
case 2: // Commit sha-1
stats.CommitCount++
case 3: // Author
case 4: // E-mail
email := strings.ToLower(l)
i := authors[email]
authors[email] = i + 1
default: // Changed file
if parts := strings.Fields(l); len(parts) >= 3 {
if parts[0] != "-" {
if c, err := strconv.ParseInt(strings.TrimSpace(parts[0]), 10, 64); err == nil {
stats.Additions += c
}
}
if parts[1] != "-" {
if c, err := strconv.ParseInt(strings.TrimSpace(parts[1]), 10, 64); err == nil {
stats.Deletions += c
}
}
if _, ok := files[parts[2]]; !ok {
files[parts[2]] = true
}
}
}
}
stats.AuthorCount = int64(len(authors))
stats.ChangedFiles = int64(len(files))
stats.Authors = authors
return stats, nil
}
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