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issues_granular.go
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package github
import (
"context"
"encoding/json"
"fmt"
"maps"
"strings"
ghErrors "github.com/github/github-mcp-server/pkg/errors"
"github.com/github/github-mcp-server/pkg/inventory"
"github.com/github/github-mcp-server/pkg/scopes"
"github.com/github/github-mcp-server/pkg/translations"
"github.com/github/github-mcp-server/pkg/utils"
"github.com/google/go-github/v82/github"
"github.com/google/jsonschema-go/jsonschema"
"github.com/modelcontextprotocol/go-sdk/mcp"
"github.com/shurcooL/githubv4"
)
// issueUpdateTool is a helper to create single-field issue update tools.
func issueUpdateTool(
t translations.TranslationHelperFunc,
name, description, title string,
extraProps map[string]*jsonschema.Schema,
extraRequired []string,
buildRequest func(args map[string]any) (*github.IssueRequest, error),
) inventory.ServerTool {
props := map[string]*jsonschema.Schema{
"owner": {
Type: "string",
Description: "Repository owner (username or organization)",
},
"repo": {
Type: "string",
Description: "Repository name",
},
"issue_number": {
Type: "number",
Description: "The issue number to update",
Minimum: jsonschema.Ptr(1.0),
},
}
maps.Copy(props, extraProps)
required := append([]string{"owner", "repo", "issue_number"}, extraRequired...)
st := NewTool(
ToolsetMetadataIssues,
mcp.Tool{
Name: name,
Description: t("TOOL_"+strings.ToUpper(name)+"_DESCRIPTION", description),
Annotations: &mcp.ToolAnnotations{
Title: t("TOOL_"+strings.ToUpper(name)+"_USER_TITLE", title),
ReadOnlyHint: false,
DestructiveHint: jsonschema.Ptr(false),
OpenWorldHint: jsonschema.Ptr(true),
},
InputSchema: &jsonschema.Schema{
Type: "object",
Properties: props,
Required: required,
},
},
[]scopes.Scope{scopes.Repo},
func(ctx context.Context, deps ToolDependencies, _ *mcp.CallToolRequest, args map[string]any) (*mcp.CallToolResult, any, error) {
owner, err := RequiredParam[string](args, "owner")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
repo, err := RequiredParam[string](args, "repo")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
issueNumber, err := RequiredInt(args, "issue_number")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
issueReq, err := buildRequest(args)
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
client, err := deps.GetClient(ctx)
if err != nil {
return utils.NewToolResultErrorFromErr("failed to get GitHub client", err), nil, nil
}
issue, resp, err := client.Issues.Edit(ctx, owner, repo, issueNumber, issueReq)
if err != nil {
return ghErrors.NewGitHubAPIErrorResponse(ctx, "failed to update issue", resp, err), nil, nil
}
defer func() { _ = resp.Body.Close() }()
r, err := json.Marshal(MinimalResponse{
ID: fmt.Sprintf("%d", issue.GetID()),
URL: issue.GetHTMLURL(),
})
if err != nil {
return utils.NewToolResultErrorFromErr("failed to marshal response", err), nil, nil
}
return utils.NewToolResultText(string(r)), nil, nil
},
)
st.FeatureFlagEnable = FeatureFlagIssuesGranular
return st
}
// GranularCreateIssue creates a tool to create a new issue.
func GranularCreateIssue(t translations.TranslationHelperFunc) inventory.ServerTool {
st := NewTool(
ToolsetMetadataIssues,
mcp.Tool{
Name: "create_issue",
Description: t("TOOL_CREATE_ISSUE_DESCRIPTION", "Create a new issue in a GitHub repository with a title and optional body."),
Annotations: &mcp.ToolAnnotations{
Title: t("TOOL_CREATE_ISSUE_USER_TITLE", "Create Issue"),
ReadOnlyHint: false,
DestructiveHint: jsonschema.Ptr(false),
OpenWorldHint: jsonschema.Ptr(true),
},
InputSchema: &jsonschema.Schema{
Type: "object",
Properties: map[string]*jsonschema.Schema{
"owner": {
Type: "string",
Description: "Repository owner (username or organization)",
},
"repo": {
Type: "string",
Description: "Repository name",
},
"title": {
Type: "string",
Description: "Issue title",
},
"body": {
Type: "string",
Description: "Issue body content (optional)",
},
},
Required: []string{"owner", "repo", "title"},
},
},
[]scopes.Scope{scopes.Repo},
func(ctx context.Context, deps ToolDependencies, _ *mcp.CallToolRequest, args map[string]any) (*mcp.CallToolResult, any, error) {
owner, err := RequiredParam[string](args, "owner")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
repo, err := RequiredParam[string](args, "repo")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
title, err := RequiredParam[string](args, "title")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
body, _ := OptionalParam[string](args, "body")
issueReq := &github.IssueRequest{
Title: &title,
}
if body != "" {
issueReq.Body = &body
}
client, err := deps.GetClient(ctx)
if err != nil {
return utils.NewToolResultErrorFromErr("failed to get GitHub client", err), nil, nil
}
issue, resp, err := client.Issues.Create(ctx, owner, repo, issueReq)
if err != nil {
return ghErrors.NewGitHubAPIErrorResponse(ctx, "failed to create issue", resp, err), nil, nil
}
defer func() { _ = resp.Body.Close() }()
r, err := json.Marshal(MinimalResponse{
ID: fmt.Sprintf("%d", issue.GetID()),
URL: issue.GetHTMLURL(),
})
if err != nil {
return utils.NewToolResultErrorFromErr("failed to marshal response", err), nil, nil
}
return utils.NewToolResultText(string(r)), nil, nil
},
)
st.FeatureFlagEnable = FeatureFlagIssuesGranular
return st
}
// GranularUpdateIssueTitle creates a tool to update an issue's title.
func GranularUpdateIssueTitle(t translations.TranslationHelperFunc) inventory.ServerTool {
return issueUpdateTool(t,
"update_issue_title",
"Update the title of an existing issue.",
"Update Issue Title",
map[string]*jsonschema.Schema{
"title": {Type: "string", Description: "The new title for the issue"},
},
[]string{"title"},
func(args map[string]any) (*github.IssueRequest, error) {
title, err := RequiredParam[string](args, "title")
if err != nil {
return nil, err
}
return &github.IssueRequest{Title: &title}, nil
},
)
}
// GranularUpdateIssueBody creates a tool to update an issue's body.
func GranularUpdateIssueBody(t translations.TranslationHelperFunc) inventory.ServerTool {
return issueUpdateTool(t,
"update_issue_body",
"Update the body content of an existing issue.",
"Update Issue Body",
map[string]*jsonschema.Schema{
"body": {Type: "string", Description: "The new body content for the issue"},
},
[]string{"body"},
func(args map[string]any) (*github.IssueRequest, error) {
body, err := RequiredParam[string](args, "body")
if err != nil {
return nil, err
}
return &github.IssueRequest{Body: &body}, nil
},
)
}
// GranularUpdateIssueAssignees creates a tool to update an issue's assignees.
func GranularUpdateIssueAssignees(t translations.TranslationHelperFunc) inventory.ServerTool {
return issueUpdateTool(t,
"update_issue_assignees",
"Update the assignees of an existing issue. This replaces the current assignees with the provided list.",
"Update Issue Assignees",
map[string]*jsonschema.Schema{
"assignees": {
Type: "array",
Description: "GitHub usernames to assign to this issue",
Items: &jsonschema.Schema{Type: "string"},
},
},
[]string{"assignees"},
func(args map[string]any) (*github.IssueRequest, error) {
if _, ok := args["assignees"]; !ok {
return nil, fmt.Errorf("missing required parameter: assignees")
}
assignees, err := OptionalStringArrayParam(args, "assignees")
if err != nil {
return nil, err
}
return &github.IssueRequest{Assignees: &assignees}, nil
},
)
}
// GranularUpdateIssueLabels creates a tool to update an issue's labels.
func GranularUpdateIssueLabels(t translations.TranslationHelperFunc) inventory.ServerTool {
return issueUpdateTool(t,
"update_issue_labels",
"Update the labels of an existing issue. This replaces the current labels with the provided list.",
"Update Issue Labels",
map[string]*jsonschema.Schema{
"labels": {
Type: "array",
Description: "Labels to apply to this issue",
Items: &jsonschema.Schema{Type: "string"},
},
},
[]string{"labels"},
func(args map[string]any) (*github.IssueRequest, error) {
if _, ok := args["labels"]; !ok {
return nil, fmt.Errorf("missing required parameter: labels")
}
labels, err := OptionalStringArrayParam(args, "labels")
if err != nil {
return nil, err
}
return &github.IssueRequest{Labels: &labels}, nil
},
)
}
// GranularUpdateIssueMilestone creates a tool to update an issue's milestone.
func GranularUpdateIssueMilestone(t translations.TranslationHelperFunc) inventory.ServerTool {
return issueUpdateTool(t,
"update_issue_milestone",
"Update the milestone of an existing issue.",
"Update Issue Milestone",
map[string]*jsonschema.Schema{
"milestone": {
Type: "integer",
Description: "The milestone number to set on the issue",
Minimum: jsonschema.Ptr(1.0),
},
},
[]string{"milestone"},
func(args map[string]any) (*github.IssueRequest, error) {
milestone, err := RequiredInt(args, "milestone")
if err != nil {
return nil, err
}
return &github.IssueRequest{Milestone: &milestone}, nil
},
)
}
// GranularUpdateIssueType creates a tool to update an issue's type.
func GranularUpdateIssueType(t translations.TranslationHelperFunc) inventory.ServerTool {
return issueUpdateTool(t,
"update_issue_type",
"Update the type of an existing issue (e.g. 'bug', 'feature').",
"Update Issue Type",
map[string]*jsonschema.Schema{
"issue_type": {
Type: "string",
Description: "The issue type to set",
},
},
[]string{"issue_type"},
func(args map[string]any) (*github.IssueRequest, error) {
issueType, err := RequiredParam[string](args, "issue_type")
if err != nil {
return nil, err
}
return &github.IssueRequest{Type: &issueType}, nil
},
)
}
// GranularUpdateIssueState creates a tool to update an issue's state.
func GranularUpdateIssueState(t translations.TranslationHelperFunc) inventory.ServerTool {
return issueUpdateTool(t,
"update_issue_state",
"Update the state of an existing issue (open or closed), with an optional state reason.",
"Update Issue State",
map[string]*jsonschema.Schema{
"state": {
Type: "string",
Description: "The new state for the issue",
Enum: []any{"open", "closed"},
},
"state_reason": {
Type: "string",
Description: "The reason for the state change (only for closed state)",
Enum: []any{"completed", "not_planned", "duplicate"},
},
},
[]string{"state"},
func(args map[string]any) (*github.IssueRequest, error) {
state, err := RequiredParam[string](args, "state")
if err != nil {
return nil, err
}
req := &github.IssueRequest{State: &state}
stateReason, _ := OptionalParam[string](args, "state_reason")
if stateReason != "" {
req.StateReason = &stateReason
}
return req, nil
},
)
}
// GranularAddSubIssue creates a tool to add a sub-issue.
func GranularAddSubIssue(t translations.TranslationHelperFunc) inventory.ServerTool {
st := NewTool(
ToolsetMetadataIssues,
mcp.Tool{
Name: "add_sub_issue",
Description: t("TOOL_ADD_SUB_ISSUE_DESCRIPTION", "Add a sub-issue to a parent issue."),
Annotations: &mcp.ToolAnnotations{
Title: t("TOOL_ADD_SUB_ISSUE_USER_TITLE", "Add Sub-Issue"),
ReadOnlyHint: false,
DestructiveHint: jsonschema.Ptr(false),
OpenWorldHint: jsonschema.Ptr(true),
},
InputSchema: &jsonschema.Schema{
Type: "object",
Properties: map[string]*jsonschema.Schema{
"owner": {
Type: "string",
Description: "Repository owner (username or organization)",
},
"repo": {
Type: "string",
Description: "Repository name",
},
"issue_number": {
Type: "number",
Description: "The parent issue number",
Minimum: jsonschema.Ptr(1.0),
},
"sub_issue_id": {
Type: "number",
Description: "The ID of the sub-issue to add. ID is not the same as issue number",
},
"replace_parent": {
Type: "boolean",
Description: "If true, reparent the sub-issue if it already has a parent",
},
},
Required: []string{"owner", "repo", "issue_number", "sub_issue_id"},
},
},
[]scopes.Scope{scopes.Repo},
func(ctx context.Context, deps ToolDependencies, _ *mcp.CallToolRequest, args map[string]any) (*mcp.CallToolResult, any, error) {
owner, err := RequiredParam[string](args, "owner")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
repo, err := RequiredParam[string](args, "repo")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
issueNumber, err := RequiredInt(args, "issue_number")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
subIssueID, err := RequiredInt(args, "sub_issue_id")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
replaceParent, _ := OptionalParam[bool](args, "replace_parent")
client, err := deps.GetClient(ctx)
if err != nil {
return utils.NewToolResultErrorFromErr("failed to get GitHub client", err), nil, nil
}
result, err := AddSubIssue(ctx, client, owner, repo, issueNumber, subIssueID, replaceParent)
return result, nil, err
},
)
st.FeatureFlagEnable = FeatureFlagIssuesGranular
return st
}
// GranularRemoveSubIssue creates a tool to remove a sub-issue.
func GranularRemoveSubIssue(t translations.TranslationHelperFunc) inventory.ServerTool {
st := NewTool(
ToolsetMetadataIssues,
mcp.Tool{
Name: "remove_sub_issue",
Description: t("TOOL_REMOVE_SUB_ISSUE_DESCRIPTION", "Remove a sub-issue from a parent issue."),
Annotations: &mcp.ToolAnnotations{
Title: t("TOOL_REMOVE_SUB_ISSUE_USER_TITLE", "Remove Sub-Issue"),
ReadOnlyHint: false,
DestructiveHint: jsonschema.Ptr(true),
OpenWorldHint: jsonschema.Ptr(true),
},
InputSchema: &jsonschema.Schema{
Type: "object",
Properties: map[string]*jsonschema.Schema{
"owner": {
Type: "string",
Description: "Repository owner (username or organization)",
},
"repo": {
Type: "string",
Description: "Repository name",
},
"issue_number": {
Type: "number",
Description: "The parent issue number",
Minimum: jsonschema.Ptr(1.0),
},
"sub_issue_id": {
Type: "number",
Description: "The ID of the sub-issue to remove. ID is not the same as issue number",
},
},
Required: []string{"owner", "repo", "issue_number", "sub_issue_id"},
},
},
[]scopes.Scope{scopes.Repo},
func(ctx context.Context, deps ToolDependencies, _ *mcp.CallToolRequest, args map[string]any) (*mcp.CallToolResult, any, error) {
owner, err := RequiredParam[string](args, "owner")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
repo, err := RequiredParam[string](args, "repo")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
issueNumber, err := RequiredInt(args, "issue_number")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
subIssueID, err := RequiredInt(args, "sub_issue_id")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
client, err := deps.GetClient(ctx)
if err != nil {
return utils.NewToolResultErrorFromErr("failed to get GitHub client", err), nil, nil
}
result, err := RemoveSubIssue(ctx, client, owner, repo, issueNumber, subIssueID)
return result, nil, err
},
)
st.FeatureFlagEnable = FeatureFlagIssuesGranular
return st
}
// GranularReprioritizeSubIssue creates a tool to reorder a sub-issue.
func GranularReprioritizeSubIssue(t translations.TranslationHelperFunc) inventory.ServerTool {
st := NewTool(
ToolsetMetadataIssues,
mcp.Tool{
Name: "reprioritize_sub_issue",
Description: t("TOOL_REPRIORITIZE_SUB_ISSUE_DESCRIPTION", "Reprioritize (reorder) a sub-issue relative to other sub-issues."),
Annotations: &mcp.ToolAnnotations{
Title: t("TOOL_REPRIORITIZE_SUB_ISSUE_USER_TITLE", "Reprioritize Sub-Issue"),
ReadOnlyHint: false,
DestructiveHint: jsonschema.Ptr(false),
OpenWorldHint: jsonschema.Ptr(true),
},
InputSchema: &jsonschema.Schema{
Type: "object",
Properties: map[string]*jsonschema.Schema{
"owner": {
Type: "string",
Description: "Repository owner (username or organization)",
},
"repo": {
Type: "string",
Description: "Repository name",
},
"issue_number": {
Type: "number",
Description: "The parent issue number",
Minimum: jsonschema.Ptr(1.0),
},
"sub_issue_id": {
Type: "number",
Description: "The ID of the sub-issue to reorder. ID is not the same as issue number",
},
"after_id": {
Type: "number",
Description: "The ID of the sub-issue to place this after (either after_id OR before_id should be specified)",
},
"before_id": {
Type: "number",
Description: "The ID of the sub-issue to place this before (either after_id OR before_id should be specified)",
},
},
Required: []string{"owner", "repo", "issue_number", "sub_issue_id"},
},
},
[]scopes.Scope{scopes.Repo},
func(ctx context.Context, deps ToolDependencies, _ *mcp.CallToolRequest, args map[string]any) (*mcp.CallToolResult, any, error) {
owner, err := RequiredParam[string](args, "owner")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
repo, err := RequiredParam[string](args, "repo")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
issueNumber, err := RequiredInt(args, "issue_number")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
subIssueID, err := RequiredInt(args, "sub_issue_id")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
afterID, err := OptionalIntParam(args, "after_id")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
beforeID, err := OptionalIntParam(args, "before_id")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
client, err := deps.GetClient(ctx)
if err != nil {
return utils.NewToolResultErrorFromErr("failed to get GitHub client", err), nil, nil
}
result, err := ReprioritizeSubIssue(ctx, client, owner, repo, issueNumber, subIssueID, afterID, beforeID)
return result, nil, err
},
)
st.FeatureFlagEnable = FeatureFlagIssuesGranular
return st
}
// SetIssueFieldValueInput represents the input for the setIssueFieldValue GraphQL mutation.
type SetIssueFieldValueInput struct {
IssueID githubv4.ID `json:"issueId"`
IssueFields []IssueFieldCreateOrUpdateInput `json:"issueFields"`
ClientMutationID *githubv4.String `json:"clientMutationId,omitempty"`
}
// IssueFieldCreateOrUpdateInput represents a single field value to set on an issue.
type IssueFieldCreateOrUpdateInput struct {
FieldID githubv4.ID `json:"fieldId"`
TextValue *githubv4.String `json:"textValue,omitempty"`
NumberValue *githubv4.Float `json:"numberValue,omitempty"`
DateValue *githubv4.String `json:"dateValue,omitempty"`
SingleSelectOptionID *githubv4.ID `json:"singleSelectOptionId,omitempty"`
Delete *githubv4.Boolean `json:"delete,omitempty"`
}
// GranularSetIssueFields creates a tool to set issue field values on an issue using GraphQL.
func GranularSetIssueFields(t translations.TranslationHelperFunc) inventory.ServerTool {
st := NewTool(
ToolsetMetadataIssues,
mcp.Tool{
Name: "set_issue_fields",
Description: t("TOOL_SET_ISSUE_FIELDS_DESCRIPTION", "Set issue field values for an issue. Fields are organization-level custom fields (text, number, date, or single select). Use this to create or update field values on an issue."),
Annotations: &mcp.ToolAnnotations{
Title: t("TOOL_SET_ISSUE_FIELDS_USER_TITLE", "Set Issue Fields"),
ReadOnlyHint: false,
DestructiveHint: jsonschema.Ptr(false),
OpenWorldHint: jsonschema.Ptr(true),
},
InputSchema: &jsonschema.Schema{
Type: "object",
Properties: map[string]*jsonschema.Schema{
"owner": {
Type: "string",
Description: "Repository owner (username or organization)",
},
"repo": {
Type: "string",
Description: "Repository name",
},
"issue_number": {
Type: "number",
Description: "The issue number to update",
Minimum: jsonschema.Ptr(1.0),
},
"fields": {
Type: "array",
Description: "Array of issue field values to set. Each element must have a 'field_id' (string, the GraphQL node ID of the field) and exactly one value field: 'text_value' for text fields, 'number_value' for number fields, 'date_value' (ISO 8601 date string) for date fields, or 'single_select_option_id' (the GraphQL node ID of the option) for single select fields. Set 'delete' to true to remove a field value.",
MinItems: jsonschema.Ptr(1),
Items: &jsonschema.Schema{
Type: "object",
Properties: map[string]*jsonschema.Schema{
"field_id": {
Type: "string",
Description: "The GraphQL node ID of the issue field",
},
"text_value": {
Type: "string",
Description: "The value to set for a text field",
},
"number_value": {
Type: "number",
Description: "The value to set for a number field",
},
"date_value": {
Type: "string",
Description: "The value to set for a date field (ISO 8601 date string)",
},
"single_select_option_id": {
Type: "string",
Description: "The GraphQL node ID of the option to set for a single select field",
},
"delete": {
Type: "boolean",
Description: "Set to true to delete this field value",
},
},
Required: []string{"field_id"},
},
},
},
Required: []string{"owner", "repo", "issue_number", "fields"},
},
},
[]scopes.Scope{scopes.Repo},
func(ctx context.Context, deps ToolDependencies, _ *mcp.CallToolRequest, args map[string]any) (*mcp.CallToolResult, any, error) {
owner, err := RequiredParam[string](args, "owner")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
repo, err := RequiredParam[string](args, "repo")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
issueNumber, err := RequiredInt(args, "issue_number")
if err != nil {
return utils.NewToolResultError(err.Error()), nil, nil
}
fieldsRaw, ok := args["fields"]
if !ok {
return utils.NewToolResultError("missing required parameter: fields"), nil, nil
}
// Accept both []any and []map[string]any input forms
var fieldMaps []map[string]any
switch v := fieldsRaw.(type) {
case []any:
for _, f := range v {
fieldMap, ok := f.(map[string]any)
if !ok {
return utils.NewToolResultError("each field must be an object with 'field_id' and a value"), nil, nil
}
fieldMaps = append(fieldMaps, fieldMap)
}
case []map[string]any:
fieldMaps = v
default:
return utils.NewToolResultError("invalid parameter: fields must be an array"), nil, nil
}
if len(fieldMaps) == 0 {
return utils.NewToolResultError("fields array must not be empty"), nil, nil
}
issueFields := make([]IssueFieldCreateOrUpdateInput, 0, len(fieldMaps))
for _, fieldMap := range fieldMaps {
fieldID, err := RequiredParam[string](fieldMap, "field_id")
if err != nil {
return utils.NewToolResultError("field_id is required and must be a string"), nil, nil
}
input := IssueFieldCreateOrUpdateInput{
FieldID: githubv4.ID(fieldID),
}
// Count how many value keys are present; exactly one is required.
valueCount := 0
if v, err := OptionalParam[string](fieldMap, "text_value"); err == nil && v != "" {
input.TextValue = githubv4.NewString(githubv4.String(v))
valueCount++
}
if v, err := OptionalParam[float64](fieldMap, "number_value"); err == nil {
if _, exists := fieldMap["number_value"]; exists {
gqlFloat := githubv4.Float(v)
input.NumberValue = &gqlFloat
valueCount++
}
}
if v, err := OptionalParam[string](fieldMap, "date_value"); err == nil && v != "" {
input.DateValue = githubv4.NewString(githubv4.String(v))
valueCount++
}
if v, err := OptionalParam[string](fieldMap, "single_select_option_id"); err == nil && v != "" {
optionID := githubv4.ID(v)
input.SingleSelectOptionID = &optionID
valueCount++
}
if _, exists := fieldMap["delete"]; exists {
del, err := OptionalParam[bool](fieldMap, "delete")
if err == nil && del {
deleteVal := githubv4.Boolean(true)
input.Delete = &deleteVal
valueCount++
}
}
if valueCount == 0 {
return utils.NewToolResultError("each field must have a value (text_value, number_value, date_value, single_select_option_id) or delete: true"), nil, nil
}
if valueCount > 1 {
return utils.NewToolResultError("each field must have exactly one value (text_value, number_value, date_value, single_select_option_id) or delete: true, but multiple were provided"), nil, nil
}
issueFields = append(issueFields, input)
}
gqlClient, err := deps.GetGQLClient(ctx)
if err != nil {
return utils.NewToolResultErrorFromErr("failed to get GitHub GraphQL client", err), nil, nil
}
// Resolve issue node ID
issueID, _, err := fetchIssueIDs(ctx, gqlClient, owner, repo, issueNumber, 0)
if err != nil {
return ghErrors.NewGitHubGraphQLErrorResponse(ctx, "failed to get issue", err), nil, nil
}
// Execute the setIssueFieldValue mutation
var mutation struct {
SetIssueFieldValue struct {
Issue struct {
ID githubv4.ID
Number githubv4.Int
URL githubv4.String
}
IssueFieldValues []struct {
Field struct {
Name string
} `graphql:"... on IssueFieldDateValue"`
}
} `graphql:"setIssueFieldValue(input: $input)"`
}
mutationInput := SetIssueFieldValueInput{
IssueID: issueID,
IssueFields: issueFields,
}
if err := gqlClient.Mutate(ctx, &mutation, mutationInput, nil); err != nil {
return ghErrors.NewGitHubGraphQLErrorResponse(ctx, "failed to set issue field values", err), nil, nil
}
r, err := json.Marshal(MinimalResponse{
ID: fmt.Sprintf("%v", mutation.SetIssueFieldValue.Issue.ID),
URL: string(mutation.SetIssueFieldValue.Issue.URL),
})
if err != nil {
return utils.NewToolResultErrorFromErr("failed to marshal response", err), nil, nil
}
return utils.NewToolResultText(string(r)), nil, nil
},
)
st.FeatureFlagEnable = FeatureFlagIssuesGranular
return st
}