@natlibfi/melinda-record-match-validator/dist/compareFunctions/compareControlFields.js

Validates if two records matched by melinda-record-matching can be merged and sets merge priority

import createDebugLogger from "debug";
import moment from "moment";
import { compareValueContent } from "./compareUtils.js";
import { get005, get008 } from "../collectFunctions/collectControlFields.js";
import { nvdebug } from "../utils.js";
const debug = createDebugLogger("@natlibfi/melinda-record-match-validator:collectFunctions:collectControlFields");
const debugDev = debug.extend("dev");
export function compare001(recordValuesA, recordValuesB) {
  const f001A = recordValuesA["001"];
  const f001B = recordValuesB["001"];
  return {
    "value": compareValueContent(f001A.value, f001B.value),
    "isMelindaId": compareIsMelindaId()
  };
  function compareIsMelindaId() {
    debugDev("%o vs %o", f001A, f001B);
    if (f001A.isMelindaId && f001B.isMelindaId) {
      debugDev("Both are Melinda ids");
      return true;
    }
    if (f001A.isMelindaId && !f001B.isMelindaId) {
      debugDev("Only A is Melinda id");
      return "A";
    }
    if (!f001A.isMelindaId && f001B.isMelindaId) {
      debugDev("Only B is Melinda id");
      return "B";
    }
    debugDev("Both are non Melinda ids");
    return false;
  }
}
export function compare005(recordValuesA, recordValuesB) {
  const f005A = recordValuesA["005"];
  const f005B = recordValuesB["005"];
  return ratef005();
  function ratef005() {
    debugDev("%o vs %o", f005A, f005B);
    if (moment(f005A).isSame(f005B)) {
      debugDev("Both have same last modified time");
      return true;
    }
    if (moment(f005A).isAfter(f005B)) {
      debugDev("A has been modified more recently");
      return "A";
    }
    debugDev("B has been modified more recently");
    return "B";
  }
}
function innerCompare008(f008A, f008B) {
  nvdebug(`A 008: ${JSON.stringify(f008A)}`);
  nvdebug(`B 008: ${JSON.stringify(f008B)}`);
  if (!isPairableFormOfItem(f008A.formOfItem.code, f008B.formOfItem.code)) {
    return false;
  }
  const mp06Result = mp06Comparison(f008A.publicationStatus.code, f008B.publicationStatus.code);
  if (mp06Result !== true) {
    return mp06Result;
  }
  return true;
  function isPairableFormOfItem(formOfItemA, formOfItemB) {
    if (formOfItemA === "o" && formOfItemB === "q") {
      return false;
    }
    if (formOfItemA === "q" && formOfItemB === "o") {
      return false;
    }
    return true;
  }
  function mp06Comparison(mp06A, mp06B) {
    if (mp06A === mp06B) {
      return true;
    }
    if (mp06A === "b") {
      return "B";
    }
    if (mp06B === "b") {
      return "A";
    }
    if (mp06A === "|") {
      return "B";
    }
    if (mp06B === "|") {
      return "A";
    }
    const continuingResource = compareContinuingResources(mp06A, mp06B);
    if (continuingResource !== false) {
      return continuingResource;
    }
    const scoreA = scoreSinglePart(mp06A);
    const scoreB = scoreSinglePart(mp06B);
    if (scoreA > -1 && scoreB > -1) {
      if (scoreA > scoreB) {
        return "A";
      }
      if (scoreA < scoreB) {
        return "B";
      }
    }
    return true;
  }
  function isUnknownOrContinuingResource(mp06) {
    return ["|", "c", "d", "u"].includes(mp06);
  }
  function compareContinuingResources(mp06A, mp06B) {
    if (!isUnknownOrContinuingResource(mp06A) || !isUnknownOrContinuingResource(mp06B)) {
      return false;
    }
    if (mp06A === "d" || mp06B === "|") {
      return "A";
    }
    if (mp06B === "d" || mp06A === "|") {
      return "B";
    }
    return true;
  }
}
function scoreSinglePart(mp06) {
  if (mp06 === "e" || mp06 === "r" || mp06 === "t") {
    return 4;
  }
  if (mp06 === "p" || mp06 === "s") {
    return 3;
  }
  if (mp06 === "q") {
    return 2;
  }
  if (mp06 === "n") {
    return 1;
  }
  return -1;
}
export function check005({ record1, record2 }) {
  const data1 = get005(record1);
  const data2 = get005(record2);
  const val1 = getYear(data1);
  const val2 = getYear(data2);
  if (val1 > val2) {
    return "A";
  }
  if (val2 > val1) {
    return "B";
  }
  return true;
  function getYear(value) {
    return parseInt(value.substr(0, 4), 10);
  }
}
export function check008({ record1, record2 }) {
  const data1 = get008(record1);
  const data2 = get008(record2);
  return innerCompare008(data1, data2);
}
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