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Experiment: Make a working version of completions#451
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| package github | ||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strings" | ||
| "github.com/google/go-github/v69/github" | ||
| "github.com/sammorrowdrums/mcp-go/mcp" | ||
| ) | ||
| // RepositoryResourceCompletionHandler returns a CompletionHandlerFunc for repository resource completions. | ||
| func RepositoryResourceCompletionHandler(getClient GetClientFn) func(ctx context.Context, req mcp.CompleteRequest) (*mcp.CompleteResult, error) { | ||
| return func(ctx context.Context, req mcp.CompleteRequest) (*mcp.CompleteResult, error) { | ||
| ref, ok := req.Params.Ref.(map[string]any) | ||
| if !ok || ref["type"] != "ref/resource" { | ||
| return nil, nil // Not a resource completion | ||
| } | ||
| uri, _ := ref["uri"].(string) | ||
| argName := req.Params.Argument.Name | ||
| argValue := req.Params.Argument.Value | ||
| client, err := getClient(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var values []string | ||
| switch argName { | ||
| case "owner": | ||
| user, _, err := client.Users.Get(ctx, "") | ||
| if err == nil && user.GetLogin() != "" { | ||
| values = append(values, user.GetLogin()) | ||
| } | ||
| orgs, _, _ := client.Organizations.List(ctx, "", nil) | ||
| for _, org := range orgs { | ||
| values = append(values, org.GetLogin()) | ||
| } | ||
| case "repo": | ||
| // print the whole mcp complete request for debugging | ||
| fmt.Printf("MCP Complete Request: %+v\n", req) | ||
| fmt.Printf("URI: %s\n", uri) | ||
| owner := getArgFromURI(uri, "owner") | ||
| if owner != "" { | ||
| repos, _, err := client.Search.Repositories(ctx, fmt.Sprintf("user:%s", owner), &github.SearchOptions{ListOptions: github.ListOptions{PerPage: 100}}) | ||
| if err != nil || repos == nil { | ||
| break | ||
| } | ||
| for _, repo := range repos.Repositories { | ||
| if argValue == "" || strings.Contains(repo.GetName(), argValue) { | ||
| values = append(values, repo.GetName()) | ||
| } | ||
| } | ||
| } | ||
| case "branch": | ||
| owner := getArgFromURI(uri, "owner") | ||
| repo := getArgFromURI(uri, "repo") | ||
| if owner != "" && repo != "" { | ||
| branches, _, _ := client.Repositories.ListBranches(ctx, owner, repo, nil) | ||
| for _, branch := range branches { | ||
| if argValue == "" || strings.Contains(branch.GetName(), argValue) { | ||
| values = append(values, branch.GetName()) | ||
| } | ||
| } | ||
| } | ||
| case "sha": | ||
| owner := getArgFromURI(uri, "owner") | ||
| repo := getArgFromURI(uri, "repo") | ||
| if owner != "" && repo != "" { | ||
| commits, _, _ := client.Repositories.ListCommits(ctx, owner, repo, nil) | ||
| for _, commit := range commits { | ||
| sha := commit.GetSHA() | ||
| if argValue == "" || strings.HasPrefix(sha, argValue) { | ||
| values = append(values, sha) | ||
| } | ||
| } | ||
| } | ||
| case "tag": | ||
| owner := getArgFromURI(uri, "owner") | ||
| repo := getArgFromURI(uri, "repo") | ||
| if owner != "" && repo != "" { | ||
| tags, _, _ := client.Repositories.ListTags(ctx, owner, repo, nil) | ||
| for _, tag := range tags { | ||
| if argValue == "" || strings.Contains(tag.GetName(), argValue) { | ||
| values = append(values, tag.GetName()) | ||
| } | ||
| } | ||
| } | ||
| case "prNumber": | ||
| owner := getArgFromURI(uri, "owner") | ||
| repo := getArgFromURI(uri, "repo") | ||
| if owner != "" && repo != "" { | ||
| prs, _, _ := client.PullRequests.List(ctx, owner, repo, nil) | ||
| for _, pr := range prs { | ||
| num := fmt.Sprintf("%d", pr.GetNumber()) | ||
| if argValue == "" || strings.HasPrefix(num, argValue) { | ||
| values = append(values, num) | ||
| } | ||
| } | ||
| } | ||
| case "path": | ||
| owner := getArgFromURI(uri, "owner") | ||
| repo := getArgFromURI(uri, "repo") | ||
| refVal := getArgFromURI(uri, "branch") | ||
| if refVal == "" { | ||
| refVal = getArgFromURI(uri, "sha") | ||
| } | ||
| if refVal == "" { | ||
| refVal = getArgFromURI(uri, "tag") | ||
| } | ||
| if refVal == "" { | ||
| refVal = "main" | ||
| } | ||
| if owner != "" && repo != "" { | ||
| contents, dirContents, _, _ := client.Repositories.GetContents(ctx, owner, repo, "", &github.RepositoryContentGetOptions{Ref: refVal}) | ||
| if dirContents != nil { | ||
| for _, entry := range dirContents { | ||
| if argValue == "" || strings.HasPrefix(entry.GetName(), argValue) { | ||
| values = append(values, entry.GetName()) | ||
| } | ||
| } | ||
| } else if contents != nil { | ||
| if argValue == "" || strings.HasPrefix(contents.GetName(), argValue) { | ||
| values = append(values, contents.GetName()) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| if len(values) > 100 { | ||
| values = values[:100] | ||
| } | ||
| return &mcp.CompleteResult{ | ||
| Completion: struct { | ||
| Values []string `json:"values"` | ||
| Total int `json:"total,omitempty"` | ||
| HasMore bool `json:"hasMore,omitempty"` | ||
| }{ | ||
| Values: values, | ||
| Total: len(values), | ||
| HasMore: false, | ||
| }, | ||
| }, nil | ||
| } | ||
| } | ||
| func getArgFromURI(uri, name string) string { | ||
| trimmed := strings.TrimPrefix(uri, "repo://") | ||
| parts := strings.Split(trimmed, "/") | ||
| if name == "owner" && len(parts) > 0 && parts[0] != "" { | ||
| return parts[0] | ||
| } | ||
| if name == "repo" && len(parts) > 1 && parts[1] != "" { | ||
| return parts[1] | ||
| } | ||
| return "" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package github | ||
| import ( | ||
| "context" | ||
| "testing" | ||
| "github.com/google/go-github/v69/github" | ||
| "github.com/sammorrowdrums/mcp-go/mcp" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
| // Add more fake methods as needed for testing | ||
| func TestRepositoryResourceCompletionHandler_Owner(t *testing.T) { | ||
| // Stub getClient to return a fake client with a user and orgs | ||
| getClient := func(ctx context.Context) (*github.Client, error) { | ||
| client := github.NewClient(nil) | ||
| // You can use github's testing helpers or mock the methods as needed | ||
| return client, nil | ||
| } | ||
| handler := RepositoryResourceCompletionHandler(getClient) | ||
| request := mcp.CompleteRequest{} | ||
| request.Params.Ref = map[string]any{"type": "ref/resource", "uri": "repo://"} | ||
| request.Params.Argument.Name = "owner" | ||
| request.Params.Argument.Value = "" | ||
| result, err := handler(context.Background(), request) | ||
| require.NoError(t, err) | ||
| // In a real test, assert on result.Completion.Values | ||
| _ = result | ||
| } |
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