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import { BrowseWorkItemsSchema } from "./schema-readonly";
import { ManageWorkItemSchema } from "./schema";
import { ToolRegistry, EnhancedToolDefinition } from "../../types";
import { ConnectionManager } from "../../services/ConnectionManager";
import { isActionDenied } from "../../config";
import { getWorkItemTypes } from "../../utils/workItemTypes";
import {
cleanWorkItemResponse,
toGid,
toGids,
type GitLabWorkItem,
} from "../../utils/idConversion";
// Define interface for work item type objects
interface WorkItemType {
id: string;
name: string;
}
import {
CREATE_WORK_ITEM_WITH_WIDGETS,
WorkItemCreateInput,
GET_NAMESPACE_WORK_ITEMS,
GET_WORK_ITEM,
UPDATE_WORK_ITEM,
DELETE_WORK_ITEM,
WorkItemUpdateInput,
WorkItem as GraphQLWorkItem,
} from "../../graphql/workItems";
// Types for work item structure - flexible widget interface for runtime processing
interface FlexibleWorkItemWidget {
type: string;
assignees?: {
nodes?: Array<{
id: string;
username: string;
name: string;
}>;
};
labels?: {
nodes?: Array<{
id: string;
title: string;
color: string;
}>;
};
milestone?: {
id: string;
title: string;
state: string;
};
parent?: {
id: string;
iid: string;
title: string;
workItemType: string;
};
hasChildren?: boolean;
}
interface SimplifiedWorkItem {
id: string;
iid: string;
title: string;
state: string;
workItemType: string;
webUrl: string;
createdAt: string;
updatedAt: string;
description?: string;
widgets?: Array<{
type: string;
assignees?: Array<{
id: string;
username: string;
name: string;
}>;
labels?: Array<{
id: string;
title: string;
color: string;
}>;
milestone?: {
id: string;
title: string;
state: string;
};
parent?: {
id: string;
iid: string;
title: string;
workItemType: string;
} | null;
hasChildren?: boolean;
}>;
}
// Function to simplify work item structure for agent consumption
const simplifyWorkItem = (
workItem: GraphQLWorkItem,
simple: boolean
): GraphQLWorkItem | SimplifiedWorkItem => {
if (!simple) return workItem;
const simplified: SimplifiedWorkItem = {
id: workItem.id,
iid: workItem.iid,
title: workItem.title,
state: workItem.state,
workItemType:
typeof workItem.workItemType === "string"
? workItem.workItemType
: workItem.workItemType?.name || "Unknown",
webUrl: workItem.webUrl,
createdAt: workItem.createdAt,
updatedAt: workItem.updatedAt,
};
// Add description if it exists and is not too long
if (workItem.description && typeof workItem.description === "string") {
simplified.description =
workItem.description.length > 200
? workItem.description.substring(0, 200) + "..."
: workItem.description;
}
// Extract essential widgets only
Eif (workItem.widgets && Array.isArray(workItem.widgets)) {
const essentialWidgets: SimplifiedWorkItem["widgets"] = [];
for (const widget of workItem.widgets) {
// Use type assertion to access widget properties dynamically
const flexWidget = widget as unknown as FlexibleWorkItemWidget;
switch (flexWidget.type) {
case "ASSIGNEES":
Eif (flexWidget.assignees?.nodes && flexWidget.assignees.nodes.length > 0) {
essentialWidgets.push({
type: "ASSIGNEES",
assignees: flexWidget.assignees.nodes.map(assignee => ({
id: assignee.id,
username: assignee.username,
name: assignee.name,
})),
});
}
break;
case "LABELS":
Eif (flexWidget.labels?.nodes && flexWidget.labels.nodes.length > 0) {
essentialWidgets.push({
type: "LABELS",
labels: flexWidget.labels.nodes.map(label => ({
id: label.id,
title: label.title,
color: label.color,
})),
});
}
break;
case "MILESTONE":
Eif (flexWidget.milestone) {
essentialWidgets.push({
type: "MILESTONE",
milestone: {
id: flexWidget.milestone.id,
title: flexWidget.milestone.title,
state: flexWidget.milestone.state,
},
});
}
break;
case "HIERARCHY":
Eif (flexWidget.parent || flexWidget.hasChildren) {
essentialWidgets.push({
type: "HIERARCHY",
parent: flexWidget.parent
? {
id: flexWidget.parent.id,
iid: flexWidget.parent.iid,
title: flexWidget.parent.title,
workItemType: flexWidget.parent.workItemType,
}
: null,
hasChildren: flexWidget.hasChildren,
});
}
break;
}
}
if (essentialWidgets && essentialWidgets.length > 0) {
simplified.widgets = essentialWidgets;
}
}
return simplified;
};
/**
* Work items tools registry - 2 CQRS tools replacing 5 individual tools
*
* browse_work_items (Query): list, get
* manage_work_item (Command): create, update, delete
*/
export const workitemsToolRegistry: ToolRegistry = new Map<string, EnhancedToolDefinition>([
// ============================================================================
// browse_work_items - CQRS Query Tool (discriminated union schema)
// TypeScript automatically narrows types in each switch case
// ============================================================================
[
"browse_work_items",
{
name: "browse_work_items",
description:
'BROWSE work items. Actions: "list" shows work items with filtering (groups return epics, projects return issues/tasks), "get" retrieves single work item by ID with full widget details.',
inputSchema: z.toJSONSchema(BrowseWorkItemsSchema),
gate: { envVar: "USE_WORKITEMS", defaultValue: true },
handler: async (args: unknown): Promise<unknown> => {
const input = BrowseWorkItemsSchema.parse(args);
// Runtime validation: reject denied actions even if they bypass schema filtering
Iif (isActionDenied("browse_work_items", input.action)) {
throw new Error(`Action '${input.action}' is not allowed for browse_work_items tool`);
}
switch (input.action) {
case "list": {
// TypeScript knows: input has namespace (required), types, state, first, after, simple (optional)
const { namespace, types, state, first, after, simple } = input;
const namespacePath = namespace;
console.log("browse_work_items list called with:", {
namespace: namespacePath,
types,
state,
first,
after,
simple,
});
// Get GraphQL client from ConnectionManager
const connectionManager = ConnectionManager.getInstance();
const client = connectionManager.getClient();
// For the work items GraphQL query, use type names as-is (GraphQL expects enum values)
const resolvedTypes: string[] | undefined = types;
// Query the namespace (works for both groups and projects)
const workItemsResponse = await client.request(GET_NAMESPACE_WORK_ITEMS, {
namespacePath,
types: resolvedTypes,
first: first || 20,
after: after,
});
// Extract work items and pagination info from namespace response
const workItemsData = workItemsResponse.namespace?.workItems;
const allItems = workItemsData?.nodes ?? [];
const pageInfo = {
hasNextPage: workItemsData?.pageInfo?.hasNextPage ?? false,
endCursor: workItemsData?.pageInfo?.endCursor ?? null,
};
const namespaceType = workItemsResponse.namespace?.__typename ?? "Unknown";
console.log(`Found ${allItems.length} work items from ${namespaceType} query`);
// Apply state filtering (client-side since GitLab API doesn't support it reliably)
const filteredItems = allItems.filter((item: GraphQLWorkItem) => {
return state.includes(item.state as "OPEN" | "CLOSED");
});
console.log(
`State filtering: ${allItems.length} -> ${filteredItems.length} items (keeping: ${state.join(", ")})`
);
// Apply simplification if requested and clean GIDs
const finalResults = filteredItems.map((item: GraphQLWorkItem) => {
const cleanedItem = cleanWorkItemResponse(item as unknown as GitLabWorkItem);
return simplifyWorkItem(cleanedItem as GraphQLWorkItem, simple);
});
console.log("Final result - total work items found:", finalResults.length);
// Return object with items and server-side pagination info
return {
items: finalResults,
hasMore: pageInfo.hasNextPage ?? false,
endCursor: pageInfo.endCursor ?? null,
};
}
case "get": {
// TypeScript knows: input has id (required)
const workItemId = input.id;
// Get GraphQL client from ConnectionManager
const connectionManager = ConnectionManager.getInstance();
const client = connectionManager.getClient();
// Convert simple ID to GID for API call
const workItemGid = toGid(workItemId, "WorkItem");
// Use GraphQL query for getting work item details
const response = await client.request(GET_WORK_ITEM, { id: workItemGid });
if (!response.workItem) {
throw new Error(`Work item with ID "${workItemId}" not found`);
}
return cleanWorkItemResponse(response.workItem as unknown as GitLabWorkItem);
}
/* istanbul ignore next -- unreachable with Zod discriminatedUnion */
default:
throw new Error(`Unknown action: ${(input as { action: string }).action}`);
}
},
},
],
// ============================================================================
// manage_work_item - CQRS Command Tool (discriminated union schema)
// TypeScript automatically narrows types in each switch case
// ============================================================================
[
"manage_work_item",
{
name: "manage_work_item",
description:
'MANAGE work items. Actions: "create" creates new work item (Epics need GROUP namespace, Issues/Tasks need PROJECT), "update" modifies properties/widgets, "delete" permanently removes.',
inputSchema: z.toJSONSchema(ManageWorkItemSchema),
gate: { envVar: "USE_WORKITEMS", defaultValue: true },
handler: async (args: unknown): Promise<unknown> => {
const input = ManageWorkItemSchema.parse(args);
// Runtime validation: reject denied actions even if they bypass schema filtering
Iif (isActionDenied("manage_work_item", input.action)) {
throw new Error(`Action '${input.action}' is not allowed for manage_work_item tool`);
}
switch (input.action) {
case "create": {
// TypeScript knows: input has namespace, title, workItemType (required), description, assigneeIds, labelIds, milestoneId (optional)
const {
namespace,
title,
workItemType,
description,
assigneeIds,
labelIds,
milestoneId,
} = input;
const namespacePath = namespace;
const workItemTitle = title;
const workItemTypeName = workItemType;
// Get GraphQL client from ConnectionManager
const connectionManager = ConnectionManager.getInstance();
const client = connectionManager.getClient();
// Convert simple type name to work item type GID
const workItemTypes = await getWorkItemTypes(namespacePath);
const workItemTypeObj = workItemTypes.find(
(t: WorkItemType) =>
t.name.toUpperCase().replace(/\s+/g, "_") ===
workItemTypeName.toUpperCase().replace(/\s+/g, "_")
);
if (!workItemTypeObj) {
throw new Error(
`Work item type "${workItemTypeName}" not found in namespace "${namespacePath}". Available types: ${workItemTypes.map(t => t.name).join(", ")}`
);
}
// Build input with widgets support for GitLab 18.3 API
const createInput: WorkItemCreateInput = {
namespacePath,
title: workItemTitle,
workItemTypeId: workItemTypeObj.id,
};
// Add optional description
if (description !== undefined) {
createInput.description = description;
}
// Add widgets only if data is provided
if (assigneeIds !== undefined && assigneeIds.length > 0) {
createInput.assigneesWidget = { assigneeIds: toGids(assigneeIds, "User") };
}
if (labelIds !== undefined && labelIds.length > 0) {
createInput.labelsWidget = { labelIds: toGids(labelIds, "Label") };
}
if (milestoneId !== undefined) {
createInput.milestoneWidget = { milestoneId: toGid(milestoneId, "Milestone") };
}
// Use comprehensive mutation with widgets support
const response = await client.request(CREATE_WORK_ITEM_WITH_WIDGETS, {
input: createInput,
});
if (
response.workItemCreate?.errors?.length &&
response.workItemCreate.errors.length > 0
) {
throw new Error(
`GitLab GraphQL errors: ${response.workItemCreate.errors.join(", ")}`
);
}
if (!response.workItemCreate?.workItem) {
throw new Error("Work item creation failed - no work item returned");
}
return cleanWorkItemResponse(
response.workItemCreate.workItem as unknown as GitLabWorkItem
);
}
case "update": {
// TypeScript knows: input has id (required), title, description, state, assigneeIds, labelIds, milestoneId (optional)
const { id, title, description, state, assigneeIds, labelIds, milestoneId } = input;
const workItemId = id;
// Get GraphQL client from ConnectionManager
const connectionManager = ConnectionManager.getInstance();
const client = connectionManager.getClient();
// Convert simple ID to GID for API call
const workItemGid = toGid(workItemId, "WorkItem");
// Build dynamic input object based on provided values
const updateInput: WorkItemUpdateInput = { id: workItemGid };
// Add basic properties if provided
if (title !== undefined) updateInput.title = title;
if (state !== undefined) updateInput.stateEvent = state;
// Add widget objects only if data is provided
if (description !== undefined) {
updateInput.descriptionWidget = { description };
}
if (assigneeIds !== undefined) {
// Convert assignee IDs to GIDs (empty array clears assignees)
updateInput.assigneesWidget = { assigneeIds: toGids(assigneeIds, "User") };
}
if (labelIds !== undefined) {
// Convert label IDs to GIDs (empty array clears labels)
updateInput.labelsWidget = { addLabelIds: toGids(labelIds, "Label") };
}
if (milestoneId !== undefined) {
// Convert milestone ID to GID
updateInput.milestoneWidget = { milestoneId: toGid(milestoneId, "Milestone") };
}
// Use single GraphQL mutation with dynamic input
const response = await client.request(UPDATE_WORK_ITEM, { input: updateInput });
if (
response.workItemUpdate?.errors?.length &&
response.workItemUpdate.errors.length > 0
) {
throw new Error(
`GitLab GraphQL errors: ${response.workItemUpdate.errors.join(", ")}`
);
}
if (!response.workItemUpdate?.workItem) {
throw new Error("Work item update failed - no work item returned");
}
return cleanWorkItemResponse(
response.workItemUpdate.workItem as unknown as GitLabWorkItem
);
}
case "delete": {
// TypeScript knows: input has id (required)
const workItemId = input.id;
// Get GraphQL client from ConnectionManager
const connectionManager = ConnectionManager.getInstance();
const client = connectionManager.getClient();
// Convert simple ID to GID for API call
const workItemGid = toGid(workItemId, "WorkItem");
// Use GraphQL mutation for deleting work item
const response = await client.request(DELETE_WORK_ITEM, { id: workItemGid });
if (
response.workItemDelete?.errors?.length &&
response.workItemDelete.errors.length > 0
) {
throw new Error(
`GitLab GraphQL errors: ${response.workItemDelete.errors.join(", ")}`
);
}
// Return success indicator for deletion
return { deleted: true };
}
/* istanbul ignore next -- unreachable with Zod discriminatedUnion */
default:
throw new Error(`Unknown action: ${(input as { action: string }).action}`);
}
},
},
],
]);
/**
* Get read-only tool names from the registry
*/
export function getWorkitemsReadOnlyToolNames(): string[] {
return ["browse_work_items"];
}
/**
* Get all tool definitions from the registry
*/
export function getWorkitemsToolDefinitions(): EnhancedToolDefinition[] {
return Array.from(workitemsToolRegistry.values());
}
/**
* Get filtered tools based on read-only mode
*/
export function getFilteredWorkitemsTools(readOnlyMode: boolean = false): EnhancedToolDefinition[] {
if (readOnlyMode) {
const readOnlyNames = getWorkitemsReadOnlyToolNames();
return Array.from(workitemsToolRegistry.values()).filter(tool =>
readOnlyNames.includes(tool.name)
);
}
return getWorkitemsToolDefinitions();
}
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