Support getting lastCommitMessage using contents-ext API

Author: rickyma

modules/structs/repo_file.go

@@ -124,6 +124,7 @@ type ContentsResponse struct {
 	LastCommitterDate time.Time `json:"last_committer_date"`
 	// swagger:strfmt date-time
 	LastAuthorDate time.Time `json:"last_author_date"`
+	LastCommitMessage string `json:"last_commit_message"`
 	// `type` will be `file`, `dir`, `symlink`, or `submodule`
 	Type string `json:"type"`
 	Size int64  `json:"size"`

services/repository/files/content.go

@@ -163,6 +163,7 @@ func getFileContentsByEntryInternal(_ context.Context, repo *repo_model.Reposito
 	if lastCommit.Author != nil {
 		contentsResponse.LastAuthorDate = lastCommit.Author.When
 	}
+	contentsResponse.LastCommitMessage = lastCommit.Message()
 
 	// Now populate the rest of the ContentsResponse based on entry type
 	if entry.IsRegular() || entry.IsExecutable() {

services/repository/files/content_test.go

@@ -39,6 +39,7 @@ func getExpectedReadmeContentsResponse() *api.ContentsResponse {
 		LastCommitSHA:     "65f1bf27bc3bf70f64657658635e66094edbcb4d",
 		LastCommitterDate: time.Date(2017, time.March, 19, 16, 47, 59, 0, time.FixedZone("", -14400)),
 		LastAuthorDate:    time.Date(2017, time.March, 19, 16, 47, 59, 0, time.FixedZone("", -14400)),
+		LastCommitMessage: "Initial commit",
 		Type:              "file",
 		Size:              30,
 		Encoding:          &encoding,

templates/swagger/v1_json.tmpl

@@ -57,8 +57,8 @@ func normalizeFileContentResponseCommitTime(c *api.ContentsResponse) {
 }
 
 type apiFileResponseInfo struct {
-	repoFullName, commitID, treePath, lastCommitSHA string
-	lastCommitterWhen, lastAuthorWhen               time.Time
+	repoFullName, commitID, treePath, lastCommitSHA, lastCommitMessage string
+	lastCommitterWhen, lastAuthorWhen                                  time.Time
 }
 
 func getExpectedFileResponseForCreate(info apiFileResponseInfo) *api.FileResponse {
@@ -77,6 +77,7 @@ func getExpectedFileResponseForCreate(info apiFileResponseInfo) *api.FileRespons
 			LastCommitSHA:     info.lastCommitSHA,
 			LastCommitterDate: info.lastCommitterWhen,
 			LastAuthorDate:    info.lastAuthorWhen,
+			LastCommitMessage: info.lastCommitMessage,
 			Size:              16,
 			Type:              "file",
 			Encoding:          &encoding,
@@ -193,6 +194,7 @@ func TestAPICreateFile(t *testing.T) {
 				lastCommitSHA:     lastCommit.ID.String(),
 				lastCommitterWhen: lastCommit.Committer.When,
 				lastAuthorWhen:    lastCommit.Author.When,
+				lastCommitMessage: lastCommit.Message(),
 			})
 			var fileResponse api.FileResponse
 			DecodeJSON(t, resp, &fileResponse)

tests/integration/api_repo_file_create_test.go

@@ -38,6 +38,7 @@ func getExpectedContentsListResponseForContents(ref, refType, lastCommitSHA stri
 			LastCommitSHA:     lastCommitSHA,
 			LastCommitterDate: time.Date(2017, time.March, 19, 16, 47, 59, 0, time.FixedZone("", -14400)),
 			LastAuthorDate:    time.Date(2017, time.March, 19, 16, 47, 59, 0, time.FixedZone("", -14400)),
+			LastCommitMessage: "Initial commit",
 			Type:              "file",
 			Size:              30,
 			URL:               &selfURL,

tests/integration/api_repo_get_contents_list_test.go

@@ -38,6 +38,7 @@ func getExpectedContentsResponseForContents(ref, refType, lastCommitSHA string)
 		LastCommitSHA:     lastCommitSHA,
 		LastCommitterDate: time.Date(2017, time.March, 19, 16, 47, 59, 0, time.FixedZone("", -14400)),
 		LastAuthorDate:    time.Date(2017, time.March, 19, 16, 47, 59, 0, time.FixedZone("", -14400)),
+		LastCommitMessage: "Initial commit",
 		Type:              "file",
 		Size:              30,
 		Encoding:          util.ToPointer("base64"),