sdmx-rest/lib/utils/url-generator-schema.js

SDMX REST API client for JavaScript

// Generated by CoffeeScript 2.7.0
(function() {
  var ApiResources, ApiVersion, Handler, checkContext, checkExplicit, checkVersion, createEntryPoint, createSchemaQuery, createShortSchemaQuery, handleSchemaQueryParams, handler,
    indexOf = [].indexOf;

  ({ApiResources, ApiVersion} = require('../utils/api-version'));

  ({createEntryPoint, checkVersion} = require('../utils/url-generator-common'));

  createSchemaQuery = function(q, s) {
    var u, v;
    u = createEntryPoint(s);
    v = s.api === ApiVersion.v2_0_0 && q.version === "latest" ? "~" : q.version;
    u += `schema/${q.context}/${q.agency}/${q.id}/${v}`;
    if (s.api === ApiVersion.v2_0_0) {
      if (q.obsDimension) {
        u += `?dimensionAtObservation=${q.obsDimension}`;
      }
    } else {
      u += `?explicitMeasure=${q.explicit}`;
      if (q.obsDimension) {
        u += `&dimensionAtObservation=${q.obsDimension}`;
      }
    }
    return u;
  };

  handleSchemaQueryParams = function(q) {
    var p;
    p = [];
    if (q.obsDimension) {
      p.push(`dimensionAtObservation=${q.obsDimension}`);
    }
    if (q.explicit) {
      p.push(`explicitMeasure=${q.explicit}`);
    }
    if (p.length > 0) {
      return '?' + p.reduceRight(function(x, y) {
        return x + '&' + y;
      });
    } else {
      return '';
    }
  };

  createShortSchemaQuery = function(q, s) {
    var u;
    u = createEntryPoint(s);
    u += `schema/${q.context}/${q.agency}/${q.id}`;
    if (!(q.version === 'latest' || q.version === '~')) {
      u += `/${q.version}`;
    }
    u += handleSchemaQueryParams(q);
    return u;
  };

  checkContext = function(q, s) {
    var api, ref;
    api = s.api.replace(/\./g, '_');
    if (ref = q.context, indexOf.call(ApiResources[api], ref) < 0) {
      throw Error(`${q.context} not allowed in ${s.api}`);
    }
  };

  checkExplicit = function(q, s) {
    if (q.explicit && s && s.api && s.api === ApiVersion.v2_0_0) {
      throw Error(`explicit parameter not allowed in ${s.api}`);
    }
  };

  handler = Handler = class Handler {
    handle(q, s, skip) {
      checkContext(q, s);
      checkExplicit(q, s);
      checkVersion(q, s);
      if (skip) {
        return createShortSchemaQuery(q, s);
      } else {
        return createSchemaQuery(q, s);
      }
    }

  };

  exports.SchemaQueryHandler = handler;

}).call(this);