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package generator
import (
"fmt"
"os"
"path/filepath"
"slices"
"mokhan.ca/xlgmokha/gitmal/internal/git"
"mokhan.ca/xlgmokha/gitmal/internal/templates"
)
const commitsPerPage = 100
func GenerateLogForBranch(allCommits []git.Commit, params Params) error {
total := len(allCommits)
totalPages := (total + commitsPerPage - 1) / commitsPerPage
// RootHref from commits/<branch>/... => ../../
rootHref := "../../"
outBase := filepath.Join(params.OutputDir, "commits", params.Ref.DirName())
if err := os.MkdirAll(outBase, 0o755); err != nil {
return err
}
page := 1
for pageCommits := range slices.Chunk(allCommits, commitsPerPage) {
for i := range pageCommits {
pageCommits[i].Href = filepath.ToSlash(filepath.Join(rootHref, "commit", pageCommits[i].Hash+".html"))
}
fileName := "index.html"
if page > 1 {
fileName = fmt.Sprintf("page-%d.html", page)
}
outPath := filepath.Join(outBase, fileName)
f, err := os.Create(outPath)
if err != nil {
return err
}
var prevHref, nextHref, firstHref, lastHref string
if page > 1 {
if page-1 == 1 {
prevHref = "index.html"
} else {
prevHref = fmt.Sprintf("page-%d.html", page-1)
}
firstHref = "index.html"
}
if page < totalPages {
nextHref = fmt.Sprintf("page-%d.html", page+1)
if totalPages > 1 {
lastHref = fmt.Sprintf("page-%d.html", totalPages)
}
}
err = templates.CommitsListTemplate.ExecuteTemplate(f, "layout.gohtml", templates.CommitsListParams{
LayoutParams: templates.LayoutParams{
Title: fmt.Sprintf("Commits %s %s", Dot, params.Name),
Name: params.Name,
RootHref: rootHref,
CurrentRefDir: params.Ref.DirName(),
Selected: "commits",
},
HeaderParams: templates.HeaderParams{
Header: "Commits",
},
Ref: params.Ref,
Commits: pageCommits,
Page: templates.Pagination{
Page: page,
TotalPages: totalPages,
PrevHref: prevHref,
NextHref: nextHref,
FirstHref: firstHref,
LastHref: lastHref,
},
})
if err != nil {
_ = f.Close()
return err
}
if err := f.Close(); err != nil {
return err
}
page++
}
return nil
}
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