Move git diff codes from models to services/gitdiff (#7889)

* move git diff codes from models to services/gitdiff

* fix template

* fix test

* fix template

4 files changed, 10 insertions, 6 deletions

diff --git a/routers/repo/commit.go b/routers/repo/commit.go
index 79fa024dc9..c3181cbe46 100644
--- a/routers/repo/commit.go
+++ b/routers/repo/commit.go
@@ -16,6 +16,7 @@ import (
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/services/gitdiff"
 )
 
 const (
@@ -217,7 +218,7 @@ func Diff(ctx *context.Context) {
 
 	ctx.Data["CommitStatus"] = models.CalcCommitStatus(statuses)
 
-	diff, err := models.GetDiffCommit(models.RepoPath(userName, repoName),
+	diff, err := gitdiff.GetDiffCommit(models.RepoPath(userName, repoName),
 		commitID, setting.Git.MaxGitDiffLines,
 		setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles)
 	if err != nil {
@@ -269,10 +270,10 @@ func Diff(ctx *context.Context) {
 
 // RawDiff dumps diff results of repository in given commit ID to io.Writer
 func RawDiff(ctx *context.Context) {
-	if err := models.GetRawDiff(
+	if err := gitdiff.GetRawDiff(
 		models.RepoPath(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name),
 		ctx.Params(":sha"),
-		models.RawDiffType(ctx.Params(":ext")),
+		gitdiff.RawDiffType(ctx.Params(":ext")),
 		ctx.Resp,
 	); err != nil {
 		ctx.ServerError("GetRawDiff", err)
diff --git a/routers/repo/compare.go b/routers/repo/compare.go
index 193255ca6c..4f9a918a7c 100644
--- a/routers/repo/compare.go
+++ b/routers/repo/compare.go
@@ -14,6 +14,7 @@ import (
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/services/gitdiff"
 )
 
 const (
@@ -230,7 +231,7 @@ func PrepareCompareDiff(
 		return true
 	}
 
-	diff, err := models.GetDiffRange(models.RepoPath(headUser.Name, headRepo.Name),
+	diff, err := gitdiff.GetDiffRange(models.RepoPath(headUser.Name, headRepo.Name),
 		compareInfo.MergeBase, headCommitID, setting.Git.MaxGitDiffLines,
 		setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles)
 	if err != nil {
diff --git a/routers/repo/pull.go b/routers/repo/pull.go
index 22ccc7769c..14d2f50821 100644
--- a/routers/repo/pull.go
+++ b/routers/repo/pull.go
@@ -24,6 +24,7 @@ import (
 	"code.gitea.io/gitea/modules/pull"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/util"
+	"code.gitea.io/gitea/services/gitdiff"
 
 	"github.com/unknwon/com"
 )
@@ -517,7 +518,7 @@ func ViewPullFiles(ctx *context.Context) {
 		ctx.Data["Reponame"] = pull.HeadRepo.Name
 	}
 
-	diff, err := models.GetDiffRangeWithWhitespaceBehavior(diffRepoPath,
+	diff, err := gitdiff.GetDiffRangeWithWhitespaceBehavior(diffRepoPath,
 		startCommitID, endCommitID, setting.Git.MaxGitDiffLines,
 		setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles,
 		whitespaceFlags[ctx.Data["WhitespaceBehavior"].(string)])
diff --git a/routers/repo/pull_review.go b/routers/repo/pull_review.go
index cf93783042..d4e3a3326a 100644
--- a/routers/repo/pull_review.go
+++ b/routers/repo/pull_review.go
@@ -13,6 +13,7 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification"
 	pull_service "code.gitea.io/gitea/modules/pull"
+	comment_service "code.gitea.io/gitea/services/comments"
 )
 
 // CreateCodeComment will create a code comment including an pending review if required
@@ -69,7 +70,7 @@ func CreateCodeComment(ctx *context.Context, form auth.CodeCommentForm) {
 		review.ID = form.Reply
 	}
 	//FIXME check if line, commit and treepath exist
-	comment, err := models.CreateCodeComment(
+	comment, err := comment_service.CreateCodeComment(
 		ctx.User,
 		issue.Repo,
 		issue,