From 66f2210feca0b50d305a46a203c2b3d2f4d3790b Mon Sep 17 00:00:00 2001
From: John Olheiser <john.olheiser@gmail.com>
Date: Tue, 29 Mar 2022 10:47:44 -0500
Subject: [PATCH] More commit info from API (#19252)

Signed-off-by: jolheiser <john.olheiser@gmail.com>

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
---
 modules/convert/git_commit.go  | 14 ++++++++++++++
 modules/structs/repo_commit.go | 19 ++++++++++++++-----
 templates/swagger/v1_json.tmpl | 28 ++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+), 5 deletions(-)

diff --git a/modules/convert/git_commit.go b/modules/convert/git_commit.go
index a5c3112f1..dfd6cb080 100644
--- a/modules/convert/git_commit.go
+++ b/modules/convert/git_commit.go
@@ -14,6 +14,7 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	api "code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/util"
+	"code.gitea.io/gitea/services/gitdiff"
 )
 
 // ToCommitUser convert a git.Signature to an api.CommitUser
@@ -146,6 +147,13 @@ func ToCommit(repo *repo_model.Repository, gitRepo *git.Repository, commit *git.
 		}
 	}
 
+	diff, err := gitdiff.GetDiff(gitRepo, &gitdiff.DiffOptions{
+		AfterCommitID: commit.ID.String(),
+	})
+	if err != nil {
+		return nil, err
+	}
+
 	return &api.Commit{
 		CommitMeta: &api.CommitMeta{
 			URL:     repo.APIURL() + "/git/commits/" + url.PathEscape(commit.ID.String()),
@@ -175,10 +183,16 @@ func ToCommit(repo *repo_model.Repository, gitRepo *git.Repository, commit *git.
 				SHA:     commit.ID.String(),
 				Created: commit.Committer.When,
 			},
+			Verification: ToVerification(commit),
 		},
 		Author:    apiAuthor,
 		Committer: apiCommitter,
 		Parents:   apiParents,
 		Files:     affectedFileList,
+		Stats: &api.CommitStats{
+			Total:     diff.TotalAddition + diff.TotalDeletion,
+			Additions: diff.TotalAddition,
+			Deletions: diff.TotalDeletion,
+		},
 	}, nil
 }
diff --git a/modules/structs/repo_commit.go b/modules/structs/repo_commit.go
index f5c5f1b94..55a516a97 100644
--- a/modules/structs/repo_commit.go
+++ b/modules/structs/repo_commit.go
@@ -32,11 +32,19 @@ type CommitUser struct {
 
 // RepoCommit contains information of a commit in the context of a repository.
 type RepoCommit struct {
-	URL       string      `json:"url"`
-	Author    *CommitUser `json:"author"`
-	Committer *CommitUser `json:"committer"`
-	Message   string      `json:"message"`
-	Tree      *CommitMeta `json:"tree"`
+	URL          string                     `json:"url"`
+	Author       *CommitUser                `json:"author"`
+	Committer    *CommitUser                `json:"committer"`
+	Message      string                     `json:"message"`
+	Tree         *CommitMeta                `json:"tree"`
+	Verification *PayloadCommitVerification `json:"verification"`
+}
+
+// CommitStats is statistics for a RepoCommit
+type CommitStats struct {
+	Total     int `json:"total"`
+	Additions int `json:"additions"`
+	Deletions int `json:"deletions"`
 }
 
 // Commit contains information generated from a Git commit.
@@ -48,6 +56,7 @@ type Commit struct {
 	Committer  *User                  `json:"committer"`
 	Parents    []*CommitMeta          `json:"parents"`
 	Files      []*CommitAffectedFiles `json:"files"`
+	Stats      *CommitStats           `json:"stats"`
 }
 
 // CommitDateOptions store dates for GIT_AUTHOR_DATE and GIT_COMMITTER_DATE
diff --git a/templates/swagger/v1_json.tmpl b/templates/swagger/v1_json.tmpl
index 284e1c71a..16e3a3485 100644
--- a/templates/swagger/v1_json.tmpl
+++ b/templates/swagger/v1_json.tmpl
@@ -13127,6 +13127,9 @@
           "type": "string",
           "x-go-name": "SHA"
         },
+        "stats": {
+          "$ref": "#/definitions/CommitStats"
+        },
         "url": {
           "type": "string",
           "x-go-name": "URL"
@@ -13182,6 +13185,28 @@
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"
     },
+    "CommitStats": {
+      "description": "CommitStats is statistics for a RepoCommit",
+      "type": "object",
+      "properties": {
+        "additions": {
+          "type": "integer",
+          "format": "int64",
+          "x-go-name": "Additions"
+        },
+        "deletions": {
+          "type": "integer",
+          "format": "int64",
+          "x-go-name": "Deletions"
+        },
+        "total": {
+          "type": "integer",
+          "format": "int64",
+          "x-go-name": "Total"
+        }
+      },
+      "x-go-package": "code.gitea.io/gitea/modules/structs"
+    },
     "CommitStatus": {
       "description": "CommitStatus holds a single status of a single Commit",
       "type": "object",
@@ -17137,6 +17162,9 @@
         "url": {
           "type": "string",
           "x-go-name": "URL"
+        },
+        "verification": {
+          "$ref": "#/definitions/PayloadCommitVerification"
         }
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"