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feat: add pagination support to get_pull_request_files tool #561

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feat: add pagination support to get_pull_request_files tool #561

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11 changes: 11 additions & 0 deletions pkg/github/__toolsnaps__/get_pull_request_files.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,17 @@
"description": "Repository owner",
"type": "string"
},
"page": {
"description": "Page number for pagination (min 1)",
"minimum": 1,
"type": "number"
},
"perPage": {
"description": "Results per page for pagination (min 1, max 100)",
"maximum": 100,
"minimum": 1,
"type": "number"
},
"pullNumber": {
"description": "Pull request number",
"type": "number"
Expand Down
10 changes: 9 additions & 1 deletion pkg/github/pullrequests.go
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Original file line number Diff line number Diff line change
Expand Up @@ -532,6 +532,7 @@ func GetPullRequestFiles(getClient GetClientFn, t translations.TranslationHelper
mcp.Required(),
mcp.Description("Pull request number"),
),
WithPagination(),
),
func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
owner, err := RequiredParam[string](request, "owner")
Expand All @@ -546,12 +547,19 @@ func GetPullRequestFiles(getClient GetClientFn, t translations.TranslationHelper
if err != nil {
return mcp.NewToolResultError(err.Error()), nil
}
pagination, err := OptionalPaginationParams(request)
if err != nil {
return mcp.NewToolResultError(err.Error()), nil
}

client, err := getClient(ctx)
if err != nil {
return nil, fmt.Errorf("failed to get GitHub client: %w", err)
}
opts := &github.ListOptions{}
opts := &github.ListOptions{
PerPage: pagination.perPage,
Page: pagination.page,
}
files, resp, err := client.PullRequests.ListFiles(ctx, owner, repo, pullNumber, opts)
if err != nil {
return nil, fmt.Errorf("failed to get pull request files: %w", err)
Expand Down
20 changes: 20 additions & 0 deletions pkg/github/pullrequests_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -568,6 +568,8 @@ func Test_GetPullRequestFiles(t *testing.T) {
assert.Contains(t, tool.InputSchema.Properties, "owner")
assert.Contains(t, tool.InputSchema.Properties, "repo")
assert.Contains(t, tool.InputSchema.Properties, "pullNumber")
assert.Contains(t, tool.InputSchema.Properties, "page")
assert.Contains(t, tool.InputSchema.Properties, "perPage")
assert.ElementsMatch(t, tool.InputSchema.Required, []string{"owner", "repo", "pullNumber"})

// Setup mock PR files for success case
Expand Down Expand Up @@ -614,6 +616,24 @@ func Test_GetPullRequestFiles(t *testing.T) {
expectError: false,
expectedFiles: mockFiles,
},
{
name: "successful files fetch with pagination",
mockedClient: mock.NewMockedHTTPClient(
mock.WithRequestMatch(
mock.GetReposPullsFilesByOwnerByRepoByPullNumber,
mockFiles,
),
),
requestArgs: map[string]interface{}{
"owner": "owner",
"repo": "repo",
"pullNumber": float64(42),
"page": float64(2),
"perPage": float64(10),
},
expectError: false,
expectedFiles: mockFiles,
},
{
name: "files fetch fails",
mockedClient: mock.NewMockedHTTPClient(
Expand Down