All files / src/utils idConversion.ts

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/**
 * Utility functions for converting between simple IDs and GitLab Global IDs (GIDs)
 * This reduces token usage for MCP agents by using simple strings instead of verbose GIDs
 */
 
// Define interfaces for proper typing
export interface GitLabObject {
  [key: string]: unknown;
}
 
export interface GitLabWorkItemType {
  id: string;
  name: string;
}
 
export interface GitLabWorkItem extends GitLabObject {
  id: string;
  iid?: string;
  title?: string;
  description?: string;
  state?: string;
  workItemType?: GitLabWorkItemType | string;
  widgets?: GitLabWidget[];
  createdAt?: string;
  updatedAt?: string;
  closedAt?: string;
  webUrl?: string;
}
 
export interface GitLabWidget {
  type: string;
  assignees?: {
    nodes?: Array<{ id: string; [key: string]: unknown }>;
  };
  labels?: {
    nodes?: Array<{ id: string; [key: string]: unknown }>;
  };
  milestone?: {
    id: string;
    [key: string]: unknown;
  };
  parent?: {
    id: string;
    [key: string]: unknown;
  };
  [key: string]: unknown;
}
 
// Mapping of entity types to their GID prefixes
const GID_PREFIXES = {
  WorkItem: "gid://gitlab/WorkItem/",
  User: "gid://gitlab/User/",
  Project: "gid://gitlab/Project/",
  Group: "gid://gitlab/Group/",
  Label: "gid://gitlab/ProjectLabel/",
  Milestone: "gid://gitlab/Milestone/",
  MergeRequest: "gid://gitlab/MergeRequest/",
  Pipeline: "gid://gitlab/Ci::Pipeline/",
  Job: "gid://gitlab/Ci::Build/",
  Variable: "gid://gitlab/Ci::Variable/",
  Wiki: "gid://gitlab/Wiki/",
  Note: "gid://gitlab/Note/",
  Discussion: "gid://gitlab/Discussion/",
} as const;
 
export type EntityType = keyof typeof GID_PREFIXES;
 
/**
 * Extract simple ID from GitLab Global ID (GID)
 * @param gid - GitLab Global ID like "gid://gitlab/WorkItem/123"
 * @returns Simple ID like "123"
 */
export function extractSimpleId(gid: string): string {
  if (!gid || typeof gid !== "string") {
    return gid; // Return as-is if not a string
  }
  if (gid.startsWith("gid://gitlab/")) {
    const parts = gid.split("/");
    return parts[parts.length - 1];
  }
  return gid; // If it's already a simple ID, return as-is
}
 
/**
 * Convert simple ID to GitLab Global ID (GID)
 * @param id - Simple ID like "123"
 * @param entityType - Type of entity (WorkItem, User, Project, etc.)
 * @returns GitLab Global ID like "gid://gitlab/WorkItem/123"
 */
export function toGid(id: string, entityType: EntityType): string {
  // If it's already a GID, return as-is
  if (id.startsWith("gid://gitlab/")) {
    return id;
  }
  return GID_PREFIXES[entityType] + id;
}
 
/**
 * Convert array of simple IDs to GIDs
 * @param ids - Array of simple IDs like ["123", "456"]
 * @param entityType - Type of entity
 * @returns Array of GIDs like ["gid://gitlab/User/123", "gid://gitlab/User/456"]
 */
export function toGids(ids: string[], entityType: EntityType): string[] {
  return ids.map(id => toGid(id, entityType));
}
 
/**
 * Convert array of GIDs to simple IDs
 * @param gids - Array of GIDs like ["gid://gitlab/User/123", "gid://gitlab/User/456"]
 * @returns Array of simple IDs like ["123", "456"]
 */
export function extractSimpleIds(gids: string[]): string[] {
  return gids.map(gid => extractSimpleId(gid));
}
 
/**
 * Clean any object by converting all GID properties to simple IDs
 * @param obj - Object that may contain GIDs
 * @returns Object with GIDs converted to simple IDs
 */
export function cleanGidsFromObject<T>(obj: T): T {
  if (!obj || typeof obj !== "object") {
    return obj;
  }
 
  if (Array.isArray(obj)) {
    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
    const cleanedArray: unknown[] = obj.map(item => cleanGidsFromObject(item));
    return cleanedArray as T;
  }
 
  const cleaned: Record<string, unknown> = {};
  for (const [key, value] of Object.entries(obj as Record<string, unknown>)) {
    if (typeof value === "string" && value.startsWith("gid://gitlab/")) {
      cleaned[key] = extractSimpleId(value);
    } else if (typeof value === "object" && value !== null) {
      cleaned[key] = cleanGidsFromObject(value);
    } else {
      cleaned[key] = value;
    }
  }
 
  return cleaned as T;
}
 
/**
 * Clean work item response by converting GIDs to simple IDs
 * @param workItem - Work item response from GitLab API
 * @returns Work item with simple IDs
 */
export function cleanWorkItemResponse(workItem: GitLabWorkItem): GitLabWorkItem {
  if (!workItem) return workItem;
 
  const result: GitLabWorkItem = {
    ...workItem,
    id: extractSimpleId(workItem.id),
  };
 
  // Handle workItemType safely - ALWAYS convert to simple string constant for agents
  if (workItem.workItemType) {
    if (typeof workItem.workItemType === "string") {
      // If workItemType is already a string, keep it as-is
      result.workItemType = workItem.workItemType;
    } else if (workItem.workItemType.name) {
      // If workItemType is an object with name, extract the name for agents
      // This converts GraphQL objects like {id: "gid://...", name: "Epic"} to just "Epic"
      result.workItemType = workItem.workItemType.name;
    } else Eif (workItem.workItemType.id) {
      // If workItemType only has ID, clean the ID but keep object structure
      result.workItemType = {
        ...workItem.workItemType,
        id: extractSimpleId(workItem.workItemType.id),
      };
    }
  }
 
  // Clean widgets if they contain GIDs
  if (workItem.widgets) {
    result.widgets = workItem.widgets.map((widget: GitLabWidget) => {
      const cleanedWidget: GitLabWidget = { ...widget };
 
      // Clean assignee IDs in ASSIGNEES widget
      if (widget.type === "ASSIGNEES" && widget.assignees?.nodes) {
        cleanedWidget.assignees = {
          ...widget.assignees,
          nodes: widget.assignees.nodes.map(assignee => ({
            ...assignee,
            id: extractSimpleId(assignee.id),
          })),
        };
      }
 
      // Clean label IDs in LABELS widget
      if (widget.type === "LABELS" && widget.labels?.nodes) {
        cleanedWidget.labels = {
          ...widget.labels,
          nodes: widget.labels.nodes.map(label => ({
            ...label,
            id: extractSimpleId(label.id),
          })),
        };
      }
 
      // Clean milestone ID in MILESTONE widget
      Iif (widget.type === "MILESTONE" && widget.milestone?.id) {
        cleanedWidget.milestone = {
          ...widget.milestone,
          id: extractSimpleId(widget.milestone.id),
        };
      }
 
      // Clean parent ID in HIERARCHY widget
      Iif (widget.type === "HIERARCHY" && widget.parent?.id) {
        cleanedWidget.parent = {
          ...widget.parent,
          id: extractSimpleId(widget.parent.id),
        };
      }
 
      return cleanedWidget;
    });
  }
 
  return result;
}
 
/**
 * Convert simple work item type names to their corresponding GIDs for GraphQL queries
 * @param typeNames - Array of simple type names like ['EPIC', 'ISSUE', 'TASK']
 * @param namespacePath - Namespace path to get work item types from
 * @param getWorkItemTypes - Function to get work item types for the namespace
 * @returns Array of work item type GIDs
 */
export async function convertTypeNamesToGids(
  typeNames: string[],
  namespacePath: string,
  // eslint-disable-next-line no-unused-vars
  getWorkItemTypes: (path: string) => Promise<GitLabWorkItemType[]>
): Promise<string[]> {
  if (!typeNames || typeNames.length === 0) {
    return [];
  }
 
  // Get available work item types for this namespace
  const workItemTypes = await getWorkItemTypes(namespacePath);
  const resolvedTypes: string[] = [];
 
  for (const typeName of typeNames) {
    const workItemTypeObj = workItemTypes.find(
      t => t.name.toUpperCase() === typeName.toUpperCase()
    );
 
    if (workItemTypeObj) {
      resolvedTypes.push(workItemTypeObj.id);
    } else {
      console.warn(
        `Work item type "${typeName}" not found in namespace "${namespacePath}". Available types: ${workItemTypes.map(t => t.name).join(", ")}`
      );
    }
  }
 
  if (resolvedTypes.length === 0) {
    console.warn("No valid work item types found for filtering. Using no type filter.");
    return [];
  }
 
  return resolvedTypes;
}