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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,333 @@ | ||
| package github | ||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "time" | ||
| "github.com/github/github-mcp-server/pkg/translations" | ||
| "github.com/go-viper/mapstructure/v2" | ||
| "github.com/google/go-github/v69/github" | ||
| "github.com/mark3labs/mcp-go/mcp" | ||
| "github.com/mark3labs/mcp-go/server" | ||
| "github.com/shurcooL/githubv4" | ||
| ) | ||
| func ListDiscussions(getGQLClient GetGQLClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) { | ||
| return mcp.NewTool("list_discussions", | ||
| mcp.WithDescription(t("TOOL_LIST_DISCUSSIONS_DESCRIPTION", "List discussions for a repository")), | ||
| mcp.WithToolAnnotation(mcp.ToolAnnotation{ | ||
| Title: t("TOOL_LIST_DISCUSSIONS_USER_TITLE", "List discussions"), | ||
| ReadOnlyHint: toBoolPtr(true), | ||
| }), | ||
| mcp.WithString("owner", | ||
| mcp.Required(), | ||
| mcp.Description("Repository owner"), | ||
| ), | ||
| mcp.WithString("repo", | ||
| mcp.Required(), | ||
| mcp.Description("Repository name"), | ||
| ), | ||
| mcp.WithString("categoryId", | ||
| mcp.Description("Category ID filter"), | ||
| ), | ||
| mcp.WithString("since", | ||
| mcp.Description("Filter by date (ISO 8601 timestamp)"), | ||
| ), | ||
| mcp.WithString("sort", | ||
| mcp.Description("Sort field"), | ||
| mcp.DefaultString("CREATED_AT"), | ||
| mcp.Enum("CREATED_AT", "UPDATED_AT"), | ||
| ), | ||
| mcp.WithString("direction", | ||
| mcp.Description("Sort direction"), | ||
| mcp.DefaultString("DESC"), | ||
| mcp.Enum("ASC", "DESC"), | ||
| ), | ||
| mcp.WithNumber("first", | ||
| mcp.Description("Number of discussions to return per page (min 1, max 100)"), | ||
| mcp.Min(1), | ||
| mcp.Max(100), | ||
| ), | ||
| mcp.WithString("after", | ||
| mcp.Description("Cursor for pagination, use the 'after' field from the previous response"), | ||
| ), | ||
| ), | ||
| func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) { | ||
| // Decode params | ||
| var params struct { | ||
| Owner string | ||
| Repo string | ||
| CategoryID string | ||
| Since string | ||
| Sort string | ||
| Direction string | ||
| First int32 | ||
| After string | ||
| } | ||
| if err := mapstructure.Decode(request.Params.Arguments, ¶ms); err != nil { | ||
| return mcp.NewToolResultError(err.Error()), nil | ||
| } | ||
| // Get GraphQL client | ||
| client, err := getGQLClient(ctx) | ||
| if err != nil { | ||
| return mcp.NewToolResultError(fmt.Sprintf("failed to get GitHub GQL client: %v", err)), nil | ||
| } | ||
| // Prepare GraphQL query | ||
| var q struct { | ||
| Repository struct { | ||
| Discussions struct { | ||
| Nodes []struct { | ||
| Number githubv4.Int | ||
| Title githubv4.String | ||
| CreatedAt githubv4.DateTime | ||
| Category struct { | ||
| Name githubv4.String | ||
| } `graphql:"category"` | ||
| URL githubv4.String `graphql:"url"` | ||
| } | ||
| } `graphql:"discussions(categoryId: $categoryId, orderBy: {field: $sort, direction: $direction}, first: $first, after: $after)"` | ||
| } `graphql:"repository(owner: $owner, name: $repo)"` | ||
| } | ||
| // Build query variables | ||
| vars := map[string]interface{}{ | ||
| "owner": githubv4.String(params.Owner), | ||
| "repo": githubv4.String(params.Repo), | ||
| "categoryId": githubv4.ID(params.CategoryID), | ||
| "sort": githubv4.DiscussionOrderField(params.Sort), | ||
| "direction": githubv4.OrderDirection(params.Direction), | ||
| "first": githubv4.Int(params.First), | ||
| "after": githubv4.String(params.After), | ||
| } | ||
| // Execute query | ||
| if err := client.Query(ctx, &q, vars); err != nil { | ||
| return mcp.NewToolResultError(err.Error()), nil | ||
| } | ||
| // Map nodes to GitHub Issue objects - there is no discussion type in the GitHub API, so we use Issue to benefit from existing code | ||
| var discussions []*github.Issue | ||
| for _, n := range q.Repository.Discussions.Nodes { | ||
| di := &github.Issue{ | ||
| Number: github.Ptr(int(n.Number)), | ||
| Title: github.Ptr(string(n.Title)), | ||
| HTMLURL: github.Ptr(string(n.URL)), | ||
| CreatedAt: &github.Timestamp{Time: n.CreatedAt.Time}, | ||
| } | ||
| discussions = append(discussions, di) | ||
| } | ||
| // Post filtering discussions based on 'since' parameter | ||
| if params.Since != "" { | ||
| sinceTime, err := time.Parse(time.RFC3339, params.Since) | ||
| if err != nil { | ||
| return mcp.NewToolResultError(fmt.Sprintf("invalid 'since' timestamp: %v", err)), nil | ||
| } | ||
| var filteredDiscussions []*github.Issue | ||
| for _, d := range discussions { | ||
| if d.CreatedAt.Time.After(sinceTime) { | ||
| filteredDiscussions = append(filteredDiscussions, d) | ||
| } | ||
| } | ||
| discussions = filteredDiscussions | ||
| } | ||
| // Marshal and return | ||
| out, err := json.Marshal(discussions) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to marshal discussions: %w", err) | ||
| } | ||
| return mcp.NewToolResultText(string(out)), nil | ||
| } | ||
| } | ||
| func GetDiscussion(getGQLClient GetGQLClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) { | ||
| return mcp.NewTool("get_discussion", | ||
| mcp.WithDescription(t("TOOL_GET_DISCUSSION_DESCRIPTION", "Get a specific discussion by ID")), | ||
| mcp.WithToolAnnotation(mcp.ToolAnnotation{ | ||
| Title: t("TOOL_GET_DISCUSSION_USER_TITLE", "Get discussion"), | ||
| ReadOnlyHint: toBoolPtr(true), | ||
| }), | ||
| mcp.WithString("owner", | ||
| mcp.Required(), | ||
| mcp.Description("Repository owner"), | ||
| ), | ||
| mcp.WithString("repo", | ||
| mcp.Required(), | ||
| mcp.Description("Repository name"), | ||
| ), | ||
| mcp.WithNumber("discussionNumber", | ||
| mcp.Required(), | ||
| mcp.Description("Discussion Number"), | ||
| ), | ||
| ), | ||
| func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) { | ||
| // Decode params | ||
| var params struct { | ||
| Owner string | ||
| Repo string | ||
| DiscussionNumber int32 | ||
| } | ||
| if err := mapstructure.Decode(request.Params.Arguments, ¶ms); err != nil { | ||
| return mcp.NewToolResultError(err.Error()), nil | ||
| } | ||
| client, err := getGQLClient(ctx) | ||
| if err != nil { | ||
| return mcp.NewToolResultError(fmt.Sprintf("failed to get GitHub GQL client: %v", err)), nil | ||
| } | ||
| var q struct { | ||
| Repository struct { | ||
| Discussion struct { | ||
| Number githubv4.Int | ||
| Body githubv4.String | ||
| State githubv4.String | ||
| CreatedAt githubv4.DateTime | ||
| URL githubv4.String `graphql:"url"` | ||
| } `graphql:"discussion(number: $discussionNumber)"` | ||
| } `graphql:"repository(owner: $owner, name: $repo)"` | ||
| } | ||
| vars := map[string]interface{}{ | ||
| "owner": githubv4.String(params.Owner), | ||
| "repo": githubv4.String(params.Repo), | ||
| "discussionNumber": githubv4.Int(params.DiscussionNumber), | ||
| } | ||
| if err := client.Query(ctx, &q, vars); err != nil { | ||
| return mcp.NewToolResultError(err.Error()), nil | ||
| } | ||
| d := q.Repository.Discussion | ||
| discussion := &github.Issue{ | ||
| Number: github.Ptr(int(d.Number)), | ||
| Body: github.Ptr(string(d.Body)), | ||
| State: github.Ptr(string(d.State)), | ||
| HTMLURL: github.Ptr(string(d.URL)), | ||
| CreatedAt: &github.Timestamp{Time: d.CreatedAt.Time}, | ||
| } | ||
| out, err := json.Marshal(discussion) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to marshal discussion: %w", err) | ||
| } | ||
| return mcp.NewToolResultText(string(out)), nil | ||
| } | ||
| } | ||
| func GetDiscussionComments(getGQLClient GetGQLClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) { | ||
| return mcp.NewTool("get_discussion_comments", | ||
| mcp.WithDescription(t("TOOL_GET_DISCUSSION_COMMENTS_DESCRIPTION", "Get comments from a discussion")), | ||
| mcp.WithToolAnnotation(mcp.ToolAnnotation{ | ||
| Title: t("TOOL_GET_DISCUSSION_COMMENTS_USER_TITLE", "Get discussion comments"), | ||
| ReadOnlyHint: toBoolPtr(true), | ||
| }), | ||
| mcp.WithString("owner", mcp.Required(), mcp.Description("Repository owner")), | ||
| mcp.WithString("repo", mcp.Required(), mcp.Description("Repository name")), | ||
| mcp.WithNumber("discussionNumber", mcp.Required(), mcp.Description("Discussion Number")), | ||
| ), | ||
| func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) { | ||
| // Decode params | ||
| var params struct { | ||
| Owner string | ||
| Repo string | ||
| DiscussionNumber int32 | ||
| } | ||
| if err := mapstructure.Decode(request.Params.Arguments, ¶ms); err != nil { | ||
| return mcp.NewToolResultError(err.Error()), nil | ||
| } | ||
| client, err := getGQLClient(ctx) | ||
| if err != nil { | ||
| return mcp.NewToolResultError(fmt.Sprintf("failed to get GitHub GQL client: %v", err)), nil | ||
| } | ||
| var q struct { | ||
| Repository struct { | ||
| Discussion struct { | ||
| Comments struct { | ||
| Nodes []struct { | ||
| Body githubv4.String | ||
| } | ||
| } `graphql:"comments(first:100)"` | ||
| } `graphql:"discussion(number: $discussionNumber)"` | ||
| } `graphql:"repository(owner: $owner, name: $repo)"` | ||
| } | ||
| vars := map[string]interface{}{ | ||
| "owner": githubv4.String(params.Owner), | ||
| "repo": githubv4.String(params.Repo), | ||
| "discussionNumber": githubv4.Int(params.DiscussionNumber), | ||
| } | ||
| if err := client.Query(ctx, &q, vars); err != nil { | ||
| return mcp.NewToolResultError(err.Error()), nil | ||
| } | ||
| var comments []*github.IssueComment | ||
| for _, c := range q.Repository.Discussion.Comments.Nodes { | ||
| comments = append(comments, &github.IssueComment{Body: github.Ptr(string(c.Body))}) | ||
| } | ||
| out, err := json.Marshal(comments) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to marshal comments: %w", err) | ||
| } | ||
| return mcp.NewToolResultText(string(out)), nil | ||
| } | ||
| } | ||
| func ListDiscussionCategories(getGQLClient GetGQLClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) { | ||
| return mcp.NewTool("list_discussion_categories", | ||
| mcp.WithDescription(t("TOOL_LIST_DISCUSSION_CATEGORIES_DESCRIPTION", "List discussion categories with their id and name, for a repository")), | ||
| mcp.WithToolAnnotation(mcp.ToolAnnotation{ | ||
| Title: t("TOOL_LIST_DISCUSSION_CATEGORIES_USER_TITLE", "List discussion categories"), | ||
| ReadOnlyHint: toBoolPtr(true), | ||
| }), | ||
| mcp.WithString("owner", | ||
| mcp.Required(), | ||
| mcp.Description("Repository owner"), | ||
| ), | ||
| mcp.WithString("repo", | ||
| mcp.Required(), | ||
| mcp.Description("Repository name"), | ||
| ), | ||
| ), | ||
| func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) { | ||
| owner, err := requiredParam[string](request, "owner") | ||
| if err != nil { | ||
| return mcp.NewToolResultError(err.Error()), nil | ||
| } | ||
| repo, err := requiredParam[string](request, "repo") | ||
| if err != nil { | ||
| return mcp.NewToolResultError(err.Error()), nil | ||
| } | ||
| client, err := getGQLClient(ctx) | ||
| if err != nil { | ||
| return mcp.NewToolResultError(fmt.Sprintf("failed to get GitHub GQL client: %v", err)), nil | ||
| } | ||
| var q struct { | ||
| Repository struct { | ||
| DiscussionCategories struct { | ||
| Nodes []struct { | ||
| ID githubv4.ID | ||
| Name githubv4.String | ||
| } | ||
| } `graphql:"discussionCategories(first: 30)"` | ||
| } `graphql:"repository(owner: $owner, name: $repo)"` | ||
| } | ||
| vars := map[string]interface{}{ | ||
| "owner": githubv4.String(owner), | ||
| "repo": githubv4.String(repo), | ||
| } | ||
| if err := client.Query(ctx, &q, vars); err != nil { | ||
| return mcp.NewToolResultError(err.Error()), nil | ||
| } | ||
| var categories []map[string]string | ||
| for _, c := range q.Repository.DiscussionCategories.Nodes { | ||
| categories = append(categories, map[string]string{ | ||
| "id": fmt.Sprint(c.ID), | ||
| "name": string(c.Name), | ||
| }) | ||
| } | ||
| out, err := json.Marshal(categories) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to marshal discussion categories: %w", err) | ||
| } | ||
| return mcp.NewToolResultText(string(out)), nil | ||
| } | ||
| } |
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