board-report/generate-report

#!/usr/bin/env node
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.

const crawler = require('./lib/index.js'),
      argument = require('./lib/argument.js');

const arg = process.argv[2];
const template = '{{count}} {{messages}} since {{month}} ' +
  '({{diff}} change)';

if (arg === '-h' || arg === '--help') {
  return printUsage();
}

if (!argument.validArg(arg)) {
  console.error('Error: format is YYYYMM - see ' +
    "'generate-report --help'");
  process.exit(1);
  return;
}

var monthsForDiff = 3
const queryParams = argument.prepareQueryParams(arg);
crawler(queryParams, monthsForDiff, function (err, data) {
  if (err) {
    logLine('Error:');
    console.error(err);
    process.exit(1);
    return;
  }

  logLine('Your message counts:');
  Object.keys(data).forEach(function (el) {
    const month = argument.getMonthAsWordFromNow(arg, monthsForDiff),
          messageCount = data[el].curr,
          message = messageCount > 1 ? 'messages' : 'message',
          wikitext = template
            .replace('{{count}}', messageCount)
            .replace('{{month}}', month)
            .replace('{{messages}}', message)
            .replace('{{diff}}', data[el].diff);

    console.log(el + ':');
    logLine(wikitext);
  });
  console.log('Happy reporting! :)');
});

function logLine (line) {
  console.log(line + '\n');
}

function printUsage () {
  logLine('usage: generate-report <date> | --help');
  console.log('If you are reporting for February 2014, for instance,');
  logLine('set the date to: 201402');
  console.log('guide:');
  console.log('https://cwiki.apache.org/confluence/display' +
    '/COUCHDB/Guide');
  console.log('template:');
  console.log('https://cwiki.apache.org/confluence/display' +
    '/COUCHDB/Template');
}