asksuite-core/keyword_interpreter/pt-br-date.js

/**
 * Created by Avell on 15/12/2016.
 */
/* Date Parser */
function Dates(knwl) {
  this.languages = {
    english: true,
  };

  this.year = {};
  this.year.lookForYear = function(pos) {
    /*
         Attempts to find year in string through ranking:
         1. Proximity to trigger source
         2. Punctuation syntax
         */

    const potential = [];

    let fall = 1.0; //ranking fall

    for (let ee = pos; ee > pos - 20; ee--) {
      if (dates.db.wordsWithPunc[ee] === undefined) {
        break;
      }
      if (dates.db.wordsWithPunc[ee].search(/[,;:]/g) !== -1) {
        //rank lower if comma seperates results
        fall += 4;
      } else if (dates.db.wordsWithPunc[ee].search(/[.?!]/g) !== -1) {
        //rank much lower if in another sentence
        fall += 72;
      }
      const curWord = dates.db.wordsWithPunc[ee].replace(/[.,!?\(\)]/g, ''); //cleanup
      if (isNaN(parseInt(curWord)) === false) {
        const parsedWord = parseInt(curWord);
        if (parsedWord.toString().length === 4) {
          potential.push({
            offset: (pos - ee) * fall,
            year: parseInt(curWord),
          });
          break;
        }
      }
    }

    fall = 1.0; //reset ranking fall

    for (let ee = pos; ee < pos + 20; ee++) {
      if (dates.db.wordsWithPunc[ee] === undefined) {
        break;
      }
      const curWord = dates.db.wordsWithPunc[ee].replace(/[.,!?\(\)]/g, ''); //cleanup
      if (isNaN(parseInt(curWord)) === false) {
        const parsedWord = parseInt(curWord);
        if (parsedWord.toString().length === 4) {
          potential.push({
            offset: (ee - pos) * fall,
            year: parseInt(curWord),
          });
          break;
        }
      }
      if (dates.db.wordsWithPunc[ee].search(/[,;:]/g) !== -1) {
        //rank lower if comma seperates results
        fall += 4;
      } else if (dates.db.wordsWithPunc[ee].search(/[.?!]/g) !== -1) {
        //rank much lower if in another sentence
        fall += 72;
      }
    }
    if (potential.length > 0) {
      const sortedByPotential = potential.sort(function(a, b) {
        return a.offset - b.offset;
      });
      return sortedByPotential[0].year;
    } else {
      return 'unknown';
    }
  };

  this.day = {};
  this.day.prefix = ['twenty', 'thirty'];
  this.day.suffix = [
    'primeir',
    'segundo',
    'terceiro',
    'quarto',
    'quinto',
    'sexto',
    'sétimo',
    'ouitavo',
    'nineth',
    'tenth',
    'eleventh',
    'twelfth',
    'thirteenth',
    'fourteenth',
    'fifteenth',
    'sixteenth',
    'seventeenth',
    'eighteenth',
    'nineteenth',
  ];
  this.months = [
    'janeiro',
    'fevereiro',
    'março',
    'abril',
    'maio',
    'junho',
    'julho',
    'agosto',
    'setembro',
    'outubro',
    'novembro',
    'dezembro',
  ];
  this.monthAbbrs = [
    'jan',
    'fev',
    'mar',
    'apr',
    'mai',
    'jun',
    'jul',
    'ago',
    'set',
    'out',
    'nov',
    'dez',
  ];
  this.holidays = [
    ['black', 'friday'],
    ['natal'],
    ['ano', 'novo'],
    ['independencia'],
    ['dia', 'do', 'trabalhador'],
    ['dia', 'da', 'mentira'],
  ];

  this.holidaysD = [
    [28, 11],
    [25, 12],
    [1, 1],
    [4, 7],
    [31, 10],
    [1, 4],
  ];
  this.dateObj = new Date();
  this.constructDateObj = function(year, month, day) {
    return {
      year: year,
      month: month,
      day: day,
      preview: null,
    };
  };

  this.getDay = function(word) {
    if (word === undefined) {
      return 'unknown';
    }
    //word (twenty-first)
    const pieces = word.toLowerCase().split('-');
    let numberStr = '';
    for (let ii = 0; ii < pieces.length; ii++) {
      let foundPrefix = false;
      if (ii === 0) {
        for (let ee = 0; ee < dates.day.prefix.length; ee++) {
          if (pieces[ii] === dates.day.prefix[ee]) {
            if (dates.day.prefix[ee] === 'twenty') {
              numberStr += '2';
            } else if (dates.day.prefix[ee] === 'thirty') {
              numberStr += '3';
            }
            foundPrefix = true;
            break;
          }
        }
        if (foundPrefix === false) {
          for (let ee = 0; ee < dates.day.suffix.length; ee++) {
            if (pieces[ii] === dates.day.suffix[ee]) {
              numberStr += ee + 1;
              break;
            }
          }
          break;
        }
      } else {
        for (let ee = 0; ee < dates.day.suffix.length; ee++) {
          if (pieces[ii] === dates.day.suffix[ee]) {
            numberStr += ee + 1;
            break;
          }
        }
      }
    }

    if (numberStr.length > 0) {
      return parseInt(numberStr);
    }
    //number (21st)
    if (
      parseInt(word.replace(/[^0-9\.]+/g, '')) > 0 &&
      parseInt(word.replace(/[^0-9\.]+/g, '')) < 32
    ) {
      const parsed = parseInt(word);
      if (isNaN(parsed) === true) {
        return 'unknown';
      }
      return parsed;
    }
  };
  this.day.lookForDay = function(pos) {
    /*
         Attempts to find day in string through ranking:
         1. Proximity to trigger source
         2. Punctuation syntax
         */

    const potential = [];
    let fall = 1.0; //ranking fall
    for (let ee = pos; ee > pos - 10; ee--) {
      if (dates.db.wordsWithPunc[ee] === undefined) {
        break;
      }
      if (dates.db.wordsWithPunc[ee].search(/[?!.]/g) !== -1) {
        //if reached end of previous sentence
        break;
      }
      if (dates.db.wordsWithPunc[ee].search(/[,;:]/g) !== -1) {
        //rank lower if comma seperates results
        fall += 4;
      }
      const curWord = dates.db.wordsWithPunc[ee].replace(/[.,!?\(\)]/g, ''); //cleanup
      if (curWord.length - curWord.replace(/[^0-9\.]+/g, '').length === 2) {
        const testDay = dates.getDay(curWord);
        if (testDay !== 'unknown' && testDay !== undefined) {
          potential.push({
            offset: (pos - ee) * fall,
            day: testDay,
          });
          break;
        }
      }
    }

    fall = 1.0; //reset ranking fall

    for (let ee = pos; ee < pos + 10; ee++) {
      if (dates.db.wordsWithPunc[ee] === undefined) {
        break;
      }
      let shouldBreak = false;
      if (dates.db.wordsWithPunc[ee].search(/[?!.]/g) !== -1) {
        //if reached end of previous sentence
        shouldBreak = true;
      }
      const curWord = dates.db.wordsWithPunc[ee].replace(/[.,!?\(\)]/g, ''); //cleanup
      if (curWord.length - curWord.replace(/[^0-9\.]+/g, '').length === 2) {
        const testDay = dates.getDay(curWord);
        if (testDay !== 'unknown' && testDay !== undefined) {
          potential.push({
            offset: (ee - pos) * fall,
            day: testDay,
          });
          break;
        }
      }
      if (shouldBreak) {
        break;
      }
      if (dates.db.wordsWithPunc[ee].search(/[,;:]/g) !== -1) {
        //rank lower if comma seperates results
        fall += 4;
      }
    }
    if (potential.length > 0) {
      const sortedByPotential = potential.sort(function(a, b) {
        return a.offset - b.offset;
      });
      return sortedByPotential[0].day;
    } else {
      return 'unknown';
      //            return dates.dateObj.getFullYear();
    }
  };
  this.getMonth = function(word, typeD) {
    if (!isNaN(word) && typeD === 'mdy') {
      return parseInt(word);
    } else {
      for (let i = 0; i < dates.months.length; i++) {
        if (dates.months[i] === word) {
          return i + 1;
        }
      }
      for (let i = 0; i < dates.monthAbbrs.length; i++) {
        if (dates.monthAbbrs[i] === word) {
          return i + 1;
        }
      }
    }
  };

  this.db = {};
  this.db.words = [];
  this.db.wordsWithPunc = [];
  this.calls = function() {
    const words = knwl.words.get('words');
    const wordsWithPunc = knwl.words.get('linkWords');

    dates.db.words = words;
    dates.db.wordsWithPunc = wordsWithPunc;

    const results = [];

    //for dates like "july 16th 1999" one
    let dateObj = {};
    for (let i = 0; i < words.length; i++) {
      let year;
      const month = dates.getMonth(words[i]);
      if (month !== undefined) {
        let day = dates.getDay(words[i + 1]);
        if (day === undefined) {
          day = dates.day.lookForDay(i);
        }
        let shouldContinue = true;
        if (day === undefined || day === 'unknown') {
          if (month === undefined || year === undefined) {
            shouldContinue = false;
          }
          shouldContinue = false;
        }
        if (shouldContinue === true) {
          year = dates.year.lookForYear(i);
          dateObj = dates.constructDateObj(year, month, day);
          dateObj.preview = knwl.tasks.preview(i);
          dateObj.found = i;
          results.push(dateObj);
        }
      }
    }

    //for dates like "7/16/1999" two
    dateObj = {};
    for (let i = 0; i < words.length; i++) {
      let word = words[i].replace('(', ''); //remove parenth--- if they are present
      word = word.replace(')', ''); //remove parenth--- if they are present
      const testDate = word.split('/');
      if (testDate.length === 3) {
        let isAllNums = 0;
        for (let z = 0; z < testDate.length; z++) {
          if (!isNaN(testDate[z]) && testDate[z] !== '') {
            isAllNums++;
          }
        }
        if (isAllNums === 3) {
          const day = dates.getDay(testDate[0]);
          const month = dates.getMonth(testDate[1], 'mdy');
          const year = parseInt(testDate[2]);
          if (month > 12) {
            //month cannot be over 12
            break;
          }
          dateObj = dates.constructDateObj(year, month, day);
          dateObj.preview = knwl.tasks.preview(i);
          dateObj.found = i;
          results.push(dateObj);
        }
      }
    }

    //for dates like "15/11" two
    dateObj = {};
    for (let i = 0; i < words.length; i++) {
      let word = words[i].replace('(', ''); //remove parenth--- if they are present
      word = word.replace(')', ''); //remove parenth--- if they are present
      const testDate = word.split('/');
      if (testDate.length === 2) {
        let isAllNums = 0;
        for (let z = 0; z < testDate.length; z++) {
          if (!isNaN(testDate[z]) && testDate[z] !== '') {
            isAllNums++;
          }
        }
        if (isAllNums === 2) {
          const day = dates.getDay(testDate[0]);
          const month = dates.getMonth(testDate[1], 'mdy');
          const year = new Date().getFullYear();
          if (month > 12) {
            //month cannot be over 12
            break;
          }
          dateObj = dates.constructDateObj(year, month, day);
          dateObj.preview = knwl.tasks.preview(i);
          dateObj.found = i;
          results.push(dateObj);
        }
      }
    }

    //for dates like "24th of december" three
    dateObj = {};
    for (let i = 0; i < words.length; i++) {
      if (words[i + 1] === 'de') {
        if (words[i + 2] !== undefined) {
          const day = dates.getDay(words[i]);
          const month = dates.getMonth(words[i + 2]);
          let year = dates.dateObj.getFullYear();

          if (month !== undefined && day !== undefined) {
            //make sure month and day defined
            year = dates.year.lookForYear(i);
            dateObj = dates.constructDateObj(year, month, day);
            dateObj.preview = knwl.tasks.preview(i);
            dateObj.found = i;
            results.push(dateObj);
          }
        } //finish check if month and day defined
      }
    }

    //for dates like "thanksgiving", "christmas", or "new years"
    dateObj = {};
    for (let i = 0; i < words.length; i++) {
      for (let e = 0; e < dates.holidays.length; e++) {
        const curHol = dates.holidays[e];
        let pos = i;
        if (words[pos] === curHol[0]) {
          for (let x = 0; x < curHol.length; x++) {
            if (words[pos] === curHol[x]) {
              if (x === curHol.length - 1) {
                if (dates.dateObj.getMonth() <= dates.holidaysD[e][1] + 1) {
                  dateObj = dates.constructDateObj(
                    dates.year.lookForYear(i),
                    dates.holidaysD[e][1],
                    dates.holidaysD[e][0],
                  );
                  dateObj.preview = knwl.tasks.preview(i);
                  dateObj.found = i;
                } else {
                  dateObj = dates.constructDateObj(
                    dates.year.lookForYear(i),
                    dates.holidaysD[e][1],
                    dates.holidaysD[e][0],
                  );
                  dateObj.preview = knwl.tasks.preview(i);
                  dateObj.found = i;
                }
                results.push(dateObj);
              }
            } else {
              break;
            }
            pos++;
          }
        }
      }
    }

    //for dates like "2013-12-15" (YMD)
    dateObj = {};
    for (let i = 0; i < words.length; i++) {
      const temp = words[i].split(/[-]+/);
      if (temp.length === 3) {
        let numSets = 0;
        for (let x = 0; x < temp.length; x++) {
          if (isNaN(temp[x]) === false) {
            numSets++;
          }
        }
        if (numSets === 3) {
          if (
            temp[0].length === 4 &&
            (temp[1].length === 2 || temp[1].length === 1) &&
            (temp[2].length === 2 || temp[2].length === 1)
          ) {
            for (let x = 0; x < temp.length; x++) {
              temp[x] = parseInt(temp[x]);
            }
            if (temp[1] > 0 && temp[1] < 13) {
              if (temp[2] > 0 && temp[2] < 32) {
                if (temp[0] > 0) {
                  dateObj = dates.constructDateObj(temp[0], temp[1], temp[2]);
                  dateObj.preview = knwl.tasks.preview(i, words);
                  dateObj.found = i;
                  results.push(dateObj);
                }
              }
            }
          }
        }
      }
    }
    return results;
  };
  const dates = this;
}

module.exports = Dates;