# All files / src/tools getMEPDeclarationsFeed.ts

95% Statements 19/20
87.5% Branches 7/8
100% Functions 2/2
93.75% Lines 15/16

Press n or j to go to the next uncovered block, b, p or k for the previous block.

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86

    12x
    12x

    1x
    1x
    1x

    11x
    11x
    11x
    11x
    11x
    11x

    9x

    2x
    1x

    4x

     /**
     * MCP Tool: get_mep_declarations_feed
     *
     * Get recently updated MEP declarations from the feed.
     *
     * **EP API Endpoint:**
     * - `GET /meps-declarations/feed`
     *
     * ISMS Policy: SC-002 (Input Validation), AC-003 (Least Privilege)
     */

    import { GetMEPDeclarationsFeedSchema } from '../schemas/europeanParliament.js';
    import { epClient } from '../clients/europeanParliamentClient.js';
    import { ToolError } from './shared/errors.js';
    import { isUpstream404, buildEmptyFeedResponse, buildFeedSuccessResponse } from './shared/feedUtils.js';
    import { z } from 'zod';
    import type { ToolResult } from './shared/types.js';

    /**
     * Handles the get_mep_declarations_feed MCP tool request.
     *
     * @param args - Raw tool arguments, validated against {@link GetMEPDeclarationsFeedSchema}
     * @returns MCP tool result containing recently updated MEP declaration data
     * @security Input is validated with Zod before any API call.
     */
    export async function handleGetMEPDeclarationsFeed(args: unknown): Promise<ToolResult> {
      let params: ReturnType<typeof GetMEPDeclarationsFeedSchema.parse>;
      try {
        params = GetMEPDeclarationsFeedSchema.parse(args);
      } catch (error: unknown) {
        Eif (error instanceof z.ZodError) {
          const fieldErrors = error.issues.map((e) => `${e.path.join('.')}: ${e.message}`).join('; ');
          throw new ToolError({
            toolName: 'get_mep_declarations_feed',
            operation: 'validateInput',
            message: `Invalid parameters: ${fieldErrors}`,
            isRetryable: false,
            cause: error,
          });
        }
        throw error;
      }

      try {
        const apiParams: Record<string, unknown> = {};
        apiParams['timeframe'] = params.timeframe;
        if (params.startDate !== undefined) apiParams['startDate'] = params.startDate;
        if (params.workType !== undefined) apiParams['workType'] = params.workType;
        const result = await epClient.getMEPDeclarationsFeed(
          apiParams
        );
        return buildFeedSuccessResponse(result);
      } catch (error: unknown) {
        if (isUpstream404(error)) return buildEmptyFeedResponse();
        throw new ToolError({
          toolName: 'get_mep_declarations_feed',
          operation: 'fetchData',
          message: 'Failed to retrieve MEP declarations feed',
          isRetryable: true,
          cause: error,
        });
      }
    }
    /** Tool metadata for get_mep_declarations_feed */
    export const getMEPDeclarationsFeedToolMetadata = {
      name: 'get_mep_declarations_feed',
      description:
        'Get recently updated MEP declarations from the feed. Returns declarations published or updated during the specified timeframe. Data source: European Parliament Open Data Portal.',
      inputSchema: {
        type: 'object' as const,
        properties: {
          timeframe: {
            type: 'string',
            description: 'Timeframe for the feed (today, one-day, one-week, one-month, custom)',
            enum: ['today', 'one-day', 'one-week', 'one-month', 'custom'],
            default: 'one-week',
          },
          startDate: {
            type: 'string',
            description: 'Start date (YYYY-MM-DD) — required when timeframe is "custom"',
          },
          workType: { type: 'string', description: 'Work type filter' },
        },
      },
    };