finnkino.js

"use strict";

var rp = require('request-promise');
var parseString = require('xml2js').parseString;
var _ = require('underscore');

var API = "http://www.finnkino.fi/xml/";
var API_AREAS = API + "TheatreAreas";
var API_LANGUAGES = API + "Languages";
var API_SCHEDULE_DATES = API + "ScheduleDates";
var API_SCHEDULE = API + "Schedule";
var API_EVENTS = API + "Events";
var API_NEWS = API + "News";
var API_NEWS_CATEGORIES = API + "NewsCategories";

// Helper
var arrayAndObjectDestructor = function(array) {
  if (array.length === 1 && typeof _.first(array) === 'string') {
    return _.first(array);
  }
  if (array.length === 1 && typeof _.first(array) === 'object') {
    return _.mapObject(_.first(array), function(val) {
      return arrayAndObjectDestructor(val);
    });
  }
  return _.map(array, function(elem) {
    if (Array.isArray(elem)) {
      return arrayAndObjectDestructor(elem);
    }
    return _.mapObject(elem, function(val) {
      return arrayAndObjectDestructor(val);
    });
  });
};
// 

var setApiAddress = function(apiAddress) {
  // Should test if url is valid
  API = apiAddress;
};

var areas = function(options, cb) {
  var areasOptions = {
    uri: API_AREAS,
    qs: options
  };

  rp(areasOptions).then(function(response) {
    parseString(response, function(err, result) {
      if (err) {
        console.log("Error while parsing xml response");
      } else {
        cb(_.map(result.TheatreAreas.TheatreArea, function(area) {
          return _.mapObject(area, function(val) {
            return val.join(', ');
          });
        }));
      }
    });
  });
};

var languages = function(options, cb) {
  var languagesOptions = {
    uri: API_LANGUAGES,
    qs: options
  };

  rp(languagesOptions).then(function(response) {
    parseString(response, function(err, result) {
      if (err) {
        console.log("Error while parsing xml response");
      } else {
        cb(_.map(result.Languages.Language, function(lang) {
          return _.mapObject(lang, function(val) {
            return val.join(', ');
          });
        }));
      }
    });
  });
};

var scheduleDates = function(options, cb) {
  var scheduleDatesOptions = {
    uri: API_SCHEDULE_DATES,
    qs: options
  };

  rp(scheduleDatesOptions).then(function(response) {
    parseString(response, function(err, result) {
      if (err) {
        console.log("Error while parsing xml response");
      } else {
        cb(result.Dates.dateTime);
      }
    });
  });
};

var schedule = function(options, cb) {
  var scheduleOptions = {
    uri: API_SCHEDULE,
    qs: options
  };

  rp(scheduleOptions).then(function(response) {
  parseString(response, function(err, result) {
      if (err) {
        console.log("Error while parsing xml response");
      } else {
        cb(arrayAndObjectDestructor(_.first(result.Schedule.Shows).Show));
      }
    });
  }).catch(function(err) {
    console.log(err);
  });
};

var events = function(options, cb) {
  var eventsOptions = {
    uri: API_EVENTS,
    qs: options
  };

  rp(eventsOptions).then(function(response) {
    parseString(response, function(err, result) {
      if (err) {
        console.log("Error while parsing xml response");
      } else {
        cb(arrayAndObjectDestructor(result.Events.Event));
      }
    });
  });
};

var news = function(options, cb) {
  var newsOptions = {
    uri: API_NEWS,
    qs: options
  };

  rp(newsOptions).then(function(response) {
    parseString(response, function(err, result) {
      if (err) {
        console.log("Error while parsing xml response");
      } else {
        cb(arrayAndObjectDestructor(result.News.NewsArticle));
      }
    });
  });
};

var newsCategories = function(options, cb) {
  var newsCategoriesOptions = {
    uri: API_NEWS_CATEGORIES,
    qs: options
  };

  rp(newsCategoriesOptions).then(function(response) {
    parseString(response, function(err, result) {
      if (err) {
        console.log("Error while parsing xml response");
      } else {
        cb(arrayAndObjectDestructor(result.NewsCategories.NewsArticleCategory));
      }
    });
  });
};

module.exports = {
  areas: areas,
  languages: languages,
  scheduleDates: scheduleDates,
  schedule: schedule,
  events: events,
  news: news, 
  newsCategories: newsCategories,
  setApiAddress: setApiAddress
};