aquameta-datum/dist-browser-cjs/database/executable.js

Service layer for the Aquameta database API

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isInvalidExecutable = isInvalidExecutable;
exports.http = exports.update = exports.select = exports.insert = exports.del = void 0;

var _ramda = require("ramda");

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

var _args = require("./args.js");

const EXECUTABLE = Symbol.for('executable');
const createExecutable = (0, _ramda.curry)((method, chainable, data) => ({
  method,
  url: chainable.url,
  args: chainable.args,
  // SELECT, UPDATE, DELETE use args
  version: chainable.version || null,
  data,
  // UPDATE and INSERT use data
  type: EXECUTABLE
}));

function isInvalidExecutable(executable) {
  return !(executable.type === EXECUTABLE);
} // $FlowFixMe


const del = createExecutable((0, _constants.getMethodFromType)(_constants.DELETE), _ramda.__, null);
exports.del = del;
const insert = createExecutable((0, _constants.getMethodFromType)(_constants.INSERT));
exports.insert = insert;
const select = createExecutable((0, _constants.getMethodFromType)(_constants.SELECT), _ramda.__, null);
exports.select = select;
const update = createExecutable((0, _constants.getMethodFromType)(_constants.UPDATE));
exports.update = update;

/**
 * Parse http request and return executable
 *
 * e.g.
 * query(
 *   client.connection(),
 *   database.http(req)
 * ).then(...).catch(...)
 *
 * http requests are either datum calls or source urls
 * source urls return a single column and have the format: /db/schema/rel/name.column
 */
const sourceUrlRegex = /^\/db\/.+\/.+\/.+\..+/;
const source = (0, _args.addArg)('source', true);
const http = false ? function http(req) {
  const parsed = url.parse(req.url, true);
  const {
    pathname
  } = parsed;

  if (pathname && sourceUrlRegex.test(pathname)) {
    // return createExecutable('GET', {url: pathname, args: {source: true}}, null);
    if (false) {
      const {
        schemaName,
        relationName,
        column,
        name
      } = parseSourceUrl(pathname);
      const func = fn('endpoint.source', [schemaName, relationName, column, name]); // $FlowFixMe

      return compose(select, source)(func);
    }
  } else if (pathname) {
    // TODO: does something need to happen here with versions?

    /*
    const [, version] = /\/?(.+)\//.exec(pathname);
    console.log(version);
    */
    const url = pathname.replace(/\/?.+?\//, '');
    return createExecutable(req.method, {
      url,
      args: parsed.query || {}
    }, req.body || null);
  } else {
    return null;
  }
} : null;
exports.http = http;
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