Get method for size limitation on PR content (#133)

Author: attiasas

vcsclient/azurerepos.go

@@ -19,7 +19,11 @@ import (
 	"time"
 )
 
-const defaultAzureBaseUrl = "https://dev.azure.com/"
+const (
+	defaultAzureBaseUrl              = "https://dev.azure.com/"
+	azurePullRequestDetailsSizeLimit = 4000
+	azurePullRequestCommentSizeLimit = 150000
+)
 
 // Azure Devops API version 6
 type AzureReposClient struct {
@@ -158,6 +162,14 @@ func (client *AzureReposClient) sendDownloadRepoRequest(ctx context.Context, rep
 	return
 }
 
+func (client *AzureReposClient) GetPullRequestCommentSizeLimit() int {
+	return azurePullRequestCommentSizeLimit
+}
+
+func (client *AzureReposClient) GetPullRequestDetailsSizeLimit() int {
+	return azurePullRequestDetailsSizeLimit
+}
+
 // CreatePullRequest on Azure Repos
 func (client *AzureReposClient) CreatePullRequest(ctx context.Context, _, repository, sourceBranch, targetBranch, title, description string) error {
 	azureReposGitClient, err := client.buildAzureReposClient(ctx)

vcsclient/bitbucketcloud.go

@@ -282,6 +282,14 @@ func (client *BitbucketCloudClient) DownloadRepository(ctx context.Context, owne
 	return vcsutils.CreateDotGitFolderWithRemote(localPath, "origin", repositoryInfo.CloneInfo.HTTP)
 }
 
+func (client *BitbucketCloudClient) GetPullRequestCommentSizeLimit() int {
+	return bitbucketPrContentSizeLimit
+}
+
+func (client *BitbucketCloudClient) GetPullRequestDetailsSizeLimit() int {
+	return bitbucketPrContentSizeLimit
+}
+
 // CreatePullRequest on Bitbucket cloud
 func (client *BitbucketCloudClient) CreatePullRequest(ctx context.Context, owner, repository, sourceBranch,
 	targetBranch, title, description string) error {

vcsclient/bitbucketcommon.go

@@ -7,7 +7,10 @@ import (
 	"time"
 )
 
-const notSupportedOnBitbucket = "currently not supported on Bitbucket"
+const (
+	notSupportedOnBitbucket     = "currently not supported on Bitbucket"
+	bitbucketPrContentSizeLimit = 32768
+)
 
 var (
 	errLabelsNotSupported                                 = fmt.Errorf("labels are %s", notSupportedOnBitbucket)

vcsclient/bitbucketserver.go

@@ -277,6 +277,14 @@ func (client *BitbucketServerClient) DownloadRepository(ctx context.Context, own
 		repositoryInfo.CloneInfo.HTTP)
 }
 
+func (client *BitbucketServerClient) GetPullRequestCommentSizeLimit() int {
+	return bitbucketPrContentSizeLimit
+}
+
+func (client *BitbucketServerClient) GetPullRequestDetailsSizeLimit() int {
+	return bitbucketPrContentSizeLimit
+}
+
 // CreatePullRequest on Bitbucket server
 func (client *BitbucketServerClient) CreatePullRequest(ctx context.Context, owner, repository, sourceBranch, targetBranch,
 	title, description string) error {

vcsclient/github.go

@@ -24,6 +24,8 @@ import (
 const (
 	maxRetries               = 5
 	retriesIntervalMilliSecs = 60000
+	// https://github.com/orgs/community/discussions/27190
+	githubPrContentSizeLimit = 65536
 )
 
 var rateLimitRetryStatuses = []int{http.StatusForbidden, http.StatusTooManyRequests}
@@ -321,6 +323,14 @@ func executeDownloadArchiveFromLink(baseURL string) (*http.Response, error) {
 	return httpResponse, vcsutils.CheckResponseStatusWithBody(httpResponse, http.StatusOK)
 }
 
+func (client *GitHubClient) GetPullRequestCommentSizeLimit() int {
+	return githubPrContentSizeLimit
+}
+
+func (client *GitHubClient) GetPullRequestDetailsSizeLimit() int {
+	return githubPrContentSizeLimit
+}
+
 // CreatePullRequest on GitHub
 func (client *GitHubClient) CreatePullRequest(ctx context.Context, owner, repository, sourceBranch, targetBranch, title, description string) error {
 	return client.runWithRateLimitRetries(func() (*github.Response, error) {

vcsclient/gitlab.go

@@ -225,6 +225,14 @@ func (client *GitLabClient) DownloadRepository(ctx context.Context, owner, repos
 	return vcsutils.CreateDotGitFolderWithRemote(localPath, vcsutils.RemoteName, repositoryInfo.CloneInfo.HTTP)
 }
 
+func (client *GitLabClient) GetPullRequestCommentSizeLimit() int {
+	return gitlabMergeRequestCommentSizeLimit
+}
+
+func (client *GitLabClient) GetPullRequestDetailsSizeLimit() int {
+	return gitlabMergeRequestDetailsSizeLimit
+}
+
 // CreatePullRequest on GitLab
 func (client *GitLabClient) CreatePullRequest(ctx context.Context, owner, repository, sourceBranch, targetBranch,
 	title, description string) error {

vcsclient/gitlabcommon.go

@@ -6,3 +6,10 @@ import (
 
 var errGitLabCodeScanningNotSupported = errors.New("code scanning is not supported on Gitlab")
 var errGitLabGetRepoEnvironmentInfoNotSupported = errors.New("get repository environment info is currently not supported on Bitbucket")
+
+const (
+	// https://docs.gitlab.com/ee/api/merge_requests.html#create-mr
+	gitlabMergeRequestDetailsSizeLimit = 1048576
+	// https://docs.gitlab.com/ee/api/notes.html#create-new-merge-request-note
+	gitlabMergeRequestCommentSizeLimit = 1000000
+)

vcsclient/vcsclient.go

@@ -295,6 +295,12 @@ type VcsClient interface {
 	// refBefore     - A VCS reference: commit SHA, branch name, tag name
 	// refAfter      - A VCS reference: commit SHA, branch name, tag name
 	GetModifiedFiles(ctx context.Context, owner, repository, refBefore, refAfter string) ([]string, error)
+
+	// GetPullRequestCommentSizeLimit returns the maximum size of a pull request comment
+	GetPullRequestCommentSizeLimit() int
+
+	// GetPullRequestDetailsSizeLimit returns the maximum size of a pull request details
+	GetPullRequestDetailsSizeLimit() int
 }
 
 // CommitInfo contains the details of a commit