mirror of
https://github.com/Tria-plc/edr-platform.git
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603537a20b
- Introduced new yard distances resource with CRUD operations. - Created migration for yard distances table with necessary constraints. - Implemented service and repository for yard distances handling. - Added controller for API endpoints to manage yard distances. - Updated rule engine configuration to include yard distances. - Enhanced rule engine resource page to support yard distance selection. - Updated contracts and train builder pages to handle new yard distance logic. - Added error handling utility for better error message extraction.
67 lines
2.7 KiB
TypeScript
67 lines
2.7 KiB
TypeScript
import { MigrationInterface, QueryRunner } from 'typeorm';
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/**
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* Configured rail distance between two yards (Configuration → Yard Distances).
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* Route creation resolves each segment's km from here (symmetric lookup:
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* one A↔B row serves both directions) instead of accepting free-text km,
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* and snapshots the value onto route_milestones.distance_km.
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*
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* Uniqueness is a partial index (deleted_at IS NULL) so a soft-deleted pair
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* can be re-created.
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*/
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export class CreateYardDistances2060000000000 implements MigrationInterface {
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name = 'CreateYardDistances2060000000000';
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public async up(queryRunner: QueryRunner): Promise<void> {
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await queryRunner.query(`
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CREATE TABLE IF NOT EXISTS freight.yard_distances (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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from_yard_id uuid NOT NULL REFERENCES freight.yards(id),
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to_yard_id uuid NOT NULL REFERENCES freight.yards(id),
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distance_km numeric(10,2) NOT NULL,
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created_at timestamptz NOT NULL DEFAULT now(),
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updated_at timestamptz NOT NULL DEFAULT now(),
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deleted_at timestamptz
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);
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`);
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await queryRunner.query(`
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CREATE INDEX IF NOT EXISTS idx_yard_distances_from_yard
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ON freight.yard_distances (from_yard_id);
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`);
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await queryRunner.query(`
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CREATE INDEX IF NOT EXISTS idx_yard_distances_to_yard
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ON freight.yard_distances (to_yard_id);
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`);
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await queryRunner.query(`
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CREATE UNIQUE INDEX IF NOT EXISTS uq_yard_distances_pair
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ON freight.yard_distances (from_yard_id, to_yard_id)
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WHERE deleted_at IS NULL;
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`);
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// Backfill from segments already stored on existing routes so editing them
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// does not immediately fail the "pair not configured" check. One row per
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// unordered pair; where routes disagree the longest segment wins.
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await queryRunner.query(`
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INSERT INTO freight.yard_distances (from_yard_id, to_yard_id, distance_km)
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SELECT DISTINCT ON (LEAST(prev_yard_id, yard_id), GREATEST(prev_yard_id, yard_id))
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prev_yard_id, yard_id, distance_km
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FROM (
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SELECT
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yard_id,
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distance_km,
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LAG(yard_id) OVER (PARTITION BY route_id ORDER BY sequence_no) AS prev_yard_id
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FROM freight.route_milestones
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WHERE deleted_at IS NULL
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) segments
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WHERE prev_yard_id IS NOT NULL
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AND distance_km IS NOT NULL
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AND distance_km > 0
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ORDER BY LEAST(prev_yard_id, yard_id), GREATEST(prev_yard_id, yard_id), distance_km DESC
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ON CONFLICT DO NOTHING;
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`);
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}
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public async down(queryRunner: QueryRunner): Promise<void> {
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await queryRunner.query(`DROP TABLE IF EXISTS freight.yard_distances;`);
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}
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}
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