Add pagination to commit graph page (#8360)

Fixes #8308

Author: jaqra

models/graph.go

@@ -30,7 +30,7 @@ type GraphItem struct {
 type GraphItems []GraphItem
 
 // GetCommitGraph return a list of commit (GraphItems) from all branches
-func GetCommitGraph(r *git.Repository) (GraphItems, error) {
+func GetCommitGraph(r *git.Repository, page int) (GraphItems, error) {
 
 	var CommitGraph []GraphItem
 
@@ -43,6 +43,7 @@ func GetCommitGraph(r *git.Repository) (GraphItems, error) {
 		"-C",
 		"-M",
 		fmt.Sprintf("-n %d", setting.UI.GraphMaxCommitNum),
+		fmt.Sprintf("--skip=%d", setting.UI.GraphMaxCommitNum*(page-1)),
 		"--date=iso",
 		fmt.Sprintf("--pretty=format:%s", format),
 	)

models/graph_test.go

@@ -19,7 +19,7 @@ func BenchmarkGetCommitGraph(b *testing.B) {
 	}
 
 	for i := 0; i < b.N; i++ {
-		graph, err := GetCommitGraph(currentRepo)
+		graph, err := GetCommitGraph(currentRepo, 1)
 		if err != nil {
 			b.Error("Could get commit graph")
 		}

routers/repo/commit.go

@@ -91,7 +91,9 @@ func Graph(ctx *context.Context) {
 		return
 	}
 
-	graph, err := models.GetCommitGraph(ctx.Repo.GitRepo)
+	page := ctx.QueryInt("page")
+
+	graph, err := models.GetCommitGraph(ctx.Repo.GitRepo, page)
 	if err != nil {
 		ctx.ServerError("GetCommitGraph", err)
 		return
@@ -103,8 +105,8 @@ func Graph(ctx *context.Context) {
 	ctx.Data["CommitCount"] = commitsCount
 	ctx.Data["Branch"] = ctx.Repo.BranchName
 	ctx.Data["RequireGitGraph"] = true
+	ctx.Data["Page"] = context.NewPagination(int(commitsCount), setting.UI.GraphMaxCommitNum, page, 5)
 	ctx.HTML(200, tplGraph)
-
 }
 
 // SearchCommits render commits filtered by keyword

templates/repo/graph.tmpl

@@ -37,4 +37,5 @@
 	  </div>
 	</div>
 </div>
+{{template "base/paginate" .}}
 {{template "base/footer" .}}