resolve-local-event-broker/lib/publisher-server/broker/interop-property.js

The reSolve framework's event broker for applications on a local machine.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _constants = require("../constants");

const interopProperty = async (pool, method, payload) => {
  const {
    database: {
      runQuery,
      runRawQuery,
      escapeId,
      escapeStr,
      encodeJsonPath,
      decodeJsonPath
    },
    parseSubscription
  } = pool;
  const subscribersTableNameAsId = escapeId(_constants.SUBSCRIBERS_TABLE_NAME);
  const {
    eventSubscriber,
    key,
    value
  } = payload;

  switch (method) {
    case 'listProperties':
      {
        const result = await runQuery(`
        SELECT "properties" FROM ${subscribersTableNameAsId}
        WHERE "eventSubscriber" = ${escapeStr(eventSubscriber)}
      `);

        if (result == null || result.length !== 1) {
          throw new Error('Invalid subscriber');
        }

        let {
          properties
        } = parseSubscription(result[0]);

        if (properties == null) {
          properties = {};
        }

        properties = Object.keys(properties).reduce((acc, key) => {
          acc[decodeJsonPath(key)] = properties[key];
          return acc;
        }, {});
        return properties;
      }

    case 'getProperty':
      {
        const result = await runQuery(`
        SELECT "properties" FROM ${subscribersTableNameAsId}
        WHERE "eventSubscriber" = ${escapeStr(eventSubscriber)}
      `);

        if (result == null || result.length !== 1) {
          throw new Error('Invalid subscriber');
        }

        let {
          properties
        } = parseSubscription(result[0]);

        if (properties == null) {
          properties = {};
        }

        return properties[encodeJsonPath(key)];
      }

    case 'setProperty':
      {
        await runRawQuery(`
        UPDATE ${subscribersTableNameAsId} SET "properties" = json_set(COALESCE("properties", json('{}')),
        ${escapeStr(`$."${encodeJsonPath(key)}"`)}, json(${escapeStr(JSON.stringify(value))}))
        WHERE "eventSubscriber" = ${escapeStr(eventSubscriber)};

        COMMIT;
        BEGIN IMMEDIATE;
      `);
        return null;
      }

    case 'deleteProperty':
      {
        await runRawQuery(`
        UPDATE ${subscribersTableNameAsId} SET "properties" = json_remove(COALESCE("properties", json('{}')),
        ${escapeStr(`$."${encodeJsonPath(key)}"`)})
        WHERE "eventSubscriber" = ${escapeStr(eventSubscriber)};
      
        COMMIT;
        BEGIN IMMEDIATE;
      `);
        return null;
      }

    default:
      {
        throw new Error(`Wrong interop property ${method} with payload ${JSON.stringify(payload)}`);
      }
  }
};

var _default = interopProperty;
exports.default = _default;
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