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34x 34x 8x 8x 54x 54x 32x 32x 30x 30x 30x 30x 186x 186x 186x 186x 186x 186x 1x 15x 32x 322x 322x 322x 644x 129x 515x 220x 220x 220x 220x 61x 60x 4x 297x 297x 285x 271x 254x 214x 189x 162x 1024x 1024x 1024x 3586x 5886x 5634x 13x 5634x 252x 252x 192x 192x 183x 172x 153x 104x 73x 40x 153x 153x 153x 153x 153x 15x 558x 130x 9x 9x 30x 1x 1x 1x 1041x 1x 1040x 1040x 1040x 4x 1036x 1036x 2256x 2256x 1x 7x 1x 66x 66x 12x 12x 12x 12x 8x 8x 1x 15x 32x 9x 128x 128x 256x 256x 256x 256x 256x 39x 217x 88x 88x 88x 88x 10x 16x 58x 58x 50x 44x 260x 260x 729x 1x 130x 130x 117x 106x 3x 2x 2x 3x 1x 1x 1x 26x 20x 4x 1x 1x 134x 28x 6x 2x 1x 4x 1870x 541x 45x 47x 1x 1x 104x 99x 18x 32x 7414x 3237x 25x 46x 120x 252x 1x 1x 44x 44x 5x 18x 2598x 728x 312x 32x 1x 116x 45x 1x 1x 44x 48x 5x 18x 2504x 689x 305x 30x 1x 114x 45x 1x 1x 39x 33x 5x 18x 1134x 210x 224x 17x 1x 51x 27x 1x 1x 36x 35x 5x 18x 1264x 149x 304x 24x 1x 51x 27x 1x 3657x 2x 4x 4x 3655x 108x 216x 516x 108x 3655x 3655x 7310x 23307x 216x 444x 1x 16x 30x 24x 24x 20x 12x 1x 16x 30x 24x 24x 20x 12x 1x 30x 1x 1x 1x 1039x 1039x 3117x 1x 1038x 1x 1x 13097x 13097x 419104x 1x 13096x 1x 13096x 12342x 13096x 12342x 330x 12766x 1x 1x | { Uncertainty } = require './uncertainty' { jsDate, normalizeMillisecondsField, normalizeMillisecondsFieldInString, getTimezoneSeparatorFromString } = require '../util/util' moment = require 'moment' class DateTime @Unit: { YEAR: 'year', MONTH: 'month', WEEK: 'week', DAY: 'day', HOUR: 'hour', MINUTE: 'minute', SECOND: 'second', MILLISECOND: 'millisecond' } @FIELDS: [@Unit.YEAR, @Unit.MONTH, @Unit.DAY, @Unit.HOUR, @Unit.MINUTE, @Unit.SECOND, @Unit.MILLISECOND] @parse: (string) -> return null if string is null matches = /(\d{4})(-(\d{2}))?(-(\d{2}))?(T((\d{2})(\:(\d{2})(\:(\d{2})(\.(\d+))?)?)?)?(Z|(([+-])(\d{2})(\:?(\d{2}))?))?)?/.exec string return null unless matches? years= matches[1] months= matches[3] days= matches[5] hours= matches[8] minutes= matches[10] seconds= matches[12] milliseconds= matches[14] milliseconds= normalizeMillisecondsField(milliseconds) if milliseconds? string = normalizeMillisecondsFieldInString(string, matches[14]) if milliseconds? return null if !isValidDateTimeStringFormat(string) args = [years, months, days, hours, minutes, seconds, milliseconds] # convert them all to integers args = ((if arg? then parseInt(arg,10)) for arg in args) # convert timezone offset to decimal and add it to arguments if matches[18]? num = parseInt(matches[18],10) + (if matches[20]? then parseInt(matches[20],10) / 60 else 0) args.push(if matches[17] is '+' then num else num * -1) else if matches[15] == 'Z' args.push(0) new DateTime(args...) @fromJSDate: (date, timezoneOffset) -> #This is from a JS Date, not a CQL Date if (date instanceof DateTime) then return date if timezoneOffset? date = new jsDate(date.getTime() + (timezoneOffset * 60 * 60 * 1000)) new DateTime( date.getUTCFullYear(), date.getUTCMonth() + 1, date.getUTCDate(), date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds(), date.getUTCMilliseconds(), timezoneOffset) else new DateTime( date.getFullYear(), date.getMonth() + 1, date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds(), date.getMilliseconds()) constructor: (@year=null, @month=null, @day=null, @hour=null, @minute=null, @second=null, @millisecond=null, @timezoneOffset) -> # from the spec: If no timezone is specified, the timezone of the evaluation request timestamp is used. if not @timezoneOffset? @timezoneOffset = (new jsDate()).getTimezoneOffset() / 60 * -1 # Define a simple getter to allow type-checking of this class without instanceof # and in a way that survives minification (as opposed to checking constructor.name) Object.defineProperties @prototype, isDateTime: get: -> true copy: () -> new DateTime(@year, @month, @day, @hour, @minute, @second, @millisecond, @timezoneOffset) successor: () -> if @millisecond? @add(1,DateTime.Unit.MILLISECOND) else if @second? @add(1,DateTime.Unit.SECOND) else if @minute? @add(1,DateTime.Unit.MINUTE) else if @hour? @add(1,DateTime.Unit.HOUR) else if @day? @add(1,DateTime.Unit.DAY) else if @month? @add(1,DateTime.Unit.MONTH) else if @year? @add(1,DateTime.Unit.YEAR) predecessor: () -> if @millisecond? @add(-1,DateTime.Unit.MILLISECOND) else if @second? @add(-1,DateTime.Unit.SECOND) else if @minute? @add(-1,DateTime.Unit.MINUTE) else if @hour? @add(-1,DateTime.Unit.HOUR) else if @day? @add(-1,DateTime.Unit.DAY) else if @month? @add(-1,DateTime.Unit.MONTH) else if @year? @add(-1,DateTime.Unit.YEAR) convertToTimezoneOffset: (timezoneOffset = 0) -> d = DateTime.fromJSDate(@toJSDate(), timezoneOffset) d.reducedPrecision(@getPrecision()) differenceBetween: (other, unitField) -> other = @_implicitlyConvert(other) if not(other instanceof DateTime) then return null # According to CQL spec, to calculate difference, you can just floor lesser precisions and do a duration # Make copies since we'll be flooring values and mucking with timezones a = @copy() b = other.copy() # Use moment.js for day or finer granularity due to the daylight savings time fall back/spring forward if unitField == DateTime.Unit.MONTH || unitField == DateTime.Unit.YEAR || unitField == DateTime.Unit.WEEK || unitField == DateTime.Unit.DAY # The dates need to agree on where the boundaries are, so we must normalize to the same time zone if a.timezoneOffset isnt b.timezoneOffset b = b.convertToTimezoneOffset(a.timezoneOffset) # JS always represents dates in the current locale, but in locales with DST, we want to account for the # potential difference in offset from one date to the other. We try to simulate them being in the same # timezone, because we don't want midnight to roll back to 11:00pm since that will mess up day boundaries. aJS = a.toJSDate(true) bJS = b.toJSDate(true) # Set tzDiff to zero if a and b are both UTC (UTC is not subject to DST) tzDiff = if a.isUTC() && b.isUTC() then 0 else aJS.getTimezoneOffset() - bJS.getTimezoneOffset() if (tzDiff != 0) # Since we'll be doing duration later, account for timezone offset by adding to the time (if possible) if b.year? and b.month? and b.day? and b.hour? and b.minute? then b = b.add(tzDiff, DateTime.Unit.MINUTE) else if b.year? and b.month? and b.day? and b.hour? then b = b.add(tzDiff/60, DateTime.Unit.HOUR) else b.timezoneOffset = b.timezoneOffset + (tzDiff/60) # Now floor lesser precisions before we go on to calculate duration if unitField == DateTime.Unit.YEAR a = new DateTime(a.year, 1, 1, 12, 0, 0, 0, a.timezoneOffset) b = new DateTime(b.year, 1, 1, 12, 0, 0, 0, b.timezoneOffset) else if unitField == DateTime.Unit.MONTH a = new DateTime(a.year, a.month, 1, 12, 0, 0, 0, a.timezoneOffset) b = new DateTime(b.year, b.month, 1, 12, 0, 0, 0, b.timezoneOffset) else if unitField == DateTime.Unit.WEEK a = @_floorWeek(a) b = @_floorWeek(b) else if unitField == DateTime.Unit.DAY a = new DateTime(a.year, a.month, a.day, 12, 0, 0, 0, a.timezoneOffset) b = new DateTime(b.year, b.month, b.day, 12, 0, 0, 0, b.timezoneOffset) else if unitField == DateTime.Unit.HOUR a = new DateTime(a.year, a.month, a.day, a.hour, 30, 0, 0, a.timezoneOffset) b = new DateTime(b.year, b.month, b.day, b.hour, 30, 0, 0, b.timezoneOffset) else if unitField == DateTime.Unit.MINUTE a = new DateTime(a.year, a.month, a.day, a.hour, a.minute, 0, 0, a.timezoneOffset) b = new DateTime(b.year, b.month, b.day, b.hour, b.minute, 0, 0, b.timezoneOffset) else if unitField == DateTime.Unit.SECOND a = new DateTime(a.year, a.month, a.day, a.hour, a.minute, a.second, 0, a.timezoneOffset) b = new DateTime(b.year, b.month, b.day, b.hour, b.minute, b.second, 0, b.timezoneOffset) # Because moment.js handles years and months differently, use the existing durationBetween for those # Finer granularity times can be handled by the DST-aware moment.js library. if unitField == DateTime.Unit.YEAR || unitField == DateTime.Unit.MONTH a.durationBetween(b, unitField) else aUncertainty = a.toUncertainty() bUncertainty = b.toUncertainty() aLowMoment = moment(aUncertainty.low).utc() aHighMoment = moment(aUncertainty.high).utc() bLowMoment = moment(bUncertainty.low).utc() bHighMoment = moment(bUncertainty.high).utc() # moment uses the plural form of the unitField new Uncertainty(bLowMoment.diff(aHighMoment, unitField + 's'), bHighMoment.diff(aLowMoment, unitField + 's')) _floorWeek: (d) -> # To "floor" a week, we need to go back to the last Sunday (that's when getDay() == 0 in javascript) # But if we don't know the day, then just return it as-is if (not d.day?) then return d floored = new jsDate(d.year, d.month-1, d.day) floored.setDate(floored.getDate() - 1) while floored.getDay() > 0 new DateTime(floored.getFullYear(), floored.getMonth()+1, floored.getDate(), 12, 0, 0, 0, d.timezoneOffset) durationBetween: (other, unitField) -> other = @_implicitlyConvert(other) if not(other instanceof DateTime) then return null a = @toUncertainty() b = other.toUncertainty() new Uncertainty(@_durationBetweenDates(a.high, b.low, unitField), @_durationBetweenDates(a.low, b.high, unitField)) # NOTE: a and b are real JS dates -- not DateTimes _durationBetweenDates: (a, b, unitField) -> # DurationBetween is different than DifferenceBetween in that DurationBetween counts whole elapsed time periods, but # DifferenceBetween counts boundaries. For example: # difference in days between @2012-01-01T23:59:59.999 and @2012-01-02T00:00:00.0 calculates to 1 (since it crosses day boundary) # days between @2012-01-01T23:59:59.999 and @2012-01-02T00:00:00.0 calculates to 0 (since there are no full days between them) msDiff = b.getTime() - a.getTime() if msDiff == 0 then return 0 # If it's a negative delta, we need to use ceiling instead of floor when truncating truncFunc = if msDiff > 0 then Math.floor else Math.ceil # For ms, s, min, hr, day, and week this is trivial if unitField == DateTime.Unit.MILLISECOND then msDiff else if unitField == DateTime.Unit.SECOND then truncFunc(msDiff / 1000) else if unitField == DateTime.Unit.MINUTE then truncFunc(msDiff / (60 * 1000)) else if unitField == DateTime.Unit.HOUR then truncFunc(msDiff / (60 * 60 * 1000)) else if unitField == DateTime.Unit.DAY truncFunc(msDiff / (24 * 60 * 60 * 1000)) else if unitField == DateTime.Unit.WEEK truncFunc(msDiff / (7 * 24 * 60 * 60 * 1000)) # Months and years are trickier since months are variable length else if unitField == DateTime.Unit.MONTH or unitField == DateTime.Unit.YEAR # First get the rough months, essentially counting month "boundaries" months = (b.getFullYear() - a.getFullYear()) * 12 + (b.getMonth() - a.getMonth()) # Now we need to look at the smaller units to see how they compare. Since we only care about comparing # days and below at this point, it's much easier to bring a up to b so it's in the same month, then # we can compare on just the remaining units. aInMonth = new jsDate(a.getTime()) # Remember the original timezone offset because if it changes when we bring it up a month, we need to fix it aInMonthOriginalOffset = aInMonth.getTimezoneOffset() aInMonth.setMonth(a.getMonth() + months) if aInMonthOriginalOffset != aInMonth.getTimezoneOffset() aInMonth.setMinutes(aInMonth.getMinutes() + (aInMonthOriginalOffset - aInMonth.getTimezoneOffset())) # When a is before b, then if a's smaller units are greater than b's, a whole month hasn't elapsed, so adjust if msDiff > 0 and aInMonth > b then months = months - 1 # When b is before a, then if a's smaller units are less than b's, a whole month hasn't elaspsed backwards, so adjust else if msDiff < 0 and aInMonth < b then months = months + 1 # If this is months, just return them, but if it's years, we need to convert if unitField == DateTime.Unit.MONTH months else truncFunc(months/12) else null isUTC: () -> # A timezoneOffset of 0 indicates UTC time. !@timezoneOffset getPrecision: () -> result = null if @year? then result = DateTime.Unit.YEAR else return result if @month? then result = DateTime.Unit.MONTH else return result if @day? then result = DateTime.Unit.DAY else return result if @hour? then result = DateTime.Unit.HOUR else return result if @minute? then result = DateTime.Unit.MINUTE else return result if @second? then result = DateTime.Unit.SECOND else return result if @millisecond? then result = DateTime.Unit.MILLISECOND result toUncertainty: (ignoreTimezone = false) -> low = @toJSDate(ignoreTimezone) high = (new DateTime( @year, @month ? 12, # see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setDate @day ? (new jsDate(@year, @month ? 12, 0)).getDate(), @hour ? 23, @minute ? 59, @second ? 59, @millisecond ? 999, @timezoneOffset)).toJSDate(ignoreTimezone) new Uncertainty(low, high) toJSDate: (ignoreTimezone = false) -> [y, mo, d, h, mi, s, ms] = [ @year, (if @month? then @month-1 else 0), @day ? 1, @hour ? 0, @minute ? 0, @second ? 0, @millisecond ? 0 ] if @timezoneOffset? and not ignoreTimezone date = new jsDate(jsDate.UTC(y, mo, d, h, mi, s, ms) - (@timezoneOffset * 60 * 60 * 1000)) # TODO: This fixes any case that would not cross the year boundary due to a timezone. # Mainly used to solve the issue with the MIN_DATE_VALUE being converted from # year 0001 to year 1900 because of strange JSDate behavior between year 0 and 100 # Also else case below if y < 100 then date.setUTCFullYear(y) return date else date = new jsDate(y, mo, d, h, mi, s, ms) if y < 100 then date.setFullYear(y) return date toJSON: () -> @toString() _pad: (num) -> String("0" + num).slice(-2) toString: () -> if @isTime() then @toStringTime() else @toStringDateTime() toStringTime: () -> str = 'T' if @hour? str += + @_pad(@hour) if @minute? str += ':' + @_pad(@minute) if @second? str += ':' + @_pad(@second) if @millisecond? str += '.' + String("00" + @millisecond).slice(-3) str toStringDateTime: () -> str = '' if @year? str += @year if @month? str += '-' + @_pad(@month) if @day? str += '-' + @_pad(@day) if @hour? str += 'T' + @_pad(@hour) if @minute? str += ':' + @_pad(@minute) if @second? str += ':' + @_pad(@second) if @millisecond? str += '.' + String("00" + @millisecond).slice(-3) if str.indexOf('T') != -1 and @timezoneOffset? str += if @timezoneOffset < 0 then '-' else '+' offsetHours = Math.floor(Math.abs(@timezoneOffset)) str += @_pad(offsetHours) offsetMin = (Math.abs(@timezoneOffset) - offsetHours) * 60 str += ':' + @_pad(offsetMin) str getDateTime: () -> @ getDate: () -> new Date(@year, @month, @day) getTime: () -> new DateTime(0, 1, 1, @hour, @minute, @second, @millisecond, @timezoneOffset) isTime: () -> @year == 0 && @month == 1 && @day == 1 _implicitlyConvert: (other) -> if (other instanceof Date) then return other.getDateTime() return other reducedPrecision: (unitField = DateTime.Unit.MILLISECOND) -> reduced = @copy() if unitField isnt DateTime.Unit.MILLISECOND fieldIndex = DateTime.FIELDS.indexOf unitField fieldsToRemove = DateTime.FIELDS.slice(fieldIndex + 1) reduced[field] = null for field in fieldsToRemove reduced class Date @Unit: { YEAR: 'year', MONTH: 'month', WEEK: 'week', DAY: 'day' } @FIELDS: [@Unit.YEAR, @Unit.MONTH, @Unit.DAY] @parse: (string) -> return null if string is null matches = /(\d{4})(-(\d{2}))?(-(\d{2}))?/.exec string return null unless matches? years= matches[1] months= matches[3] days= matches[5] return null if !isValidDateStringFormat(string) args = [years, months, days] # convert them all to integers args = ((if arg? then parseInt(arg,10)) for arg in args) new Date(args...) constructor: (@year=null, @month=null, @day=null) -> return # Define a simple getter to allow type-checking of this class without instanceof # and in a way that survives minification (as opposed to checking constructor.name) Object.defineProperties @prototype, isDate: get: -> true copy: () -> new Date(@year, @month, @day) successor: () -> if @day? @add(1,Date.Unit.DAY) else if @month? @add(1,Date.Unit.MONTH) else if @year? @add(1,Date.Unit.YEAR) predecessor: () -> if @day? @add(-1,Date.Unit.DAY) else if @month? @add(-1,Date.Unit.MONTH) else if @year? @add(-1,Date.Unit.YEAR) differenceBetween: (other, unitField) -> if (other instanceof DateTime) then return this.getDateTime().differenceBetween(other, unitField) if not(other instanceof Date) then return null a = @ b = other # According to CQL spec, to calculate difference, you can just floor lesser precisions and do a duration if unitField == Date.Unit.YEAR a = new Date(a.year, 1, 1) b = new Date(b.year, 1, 1) else if unitField == Date.Unit.MONTH a = new Date(a.year, a.month, 1) b = new Date(b.year, b.month, 1) else if unitField == Date.Unit.WEEK a = @_floorWeek(a) b = @_floorWeek(b) a.durationBetween(b, unitField) _floorWeek: (d) -> # To "floor" a week, we need to go back to the last Sunday (that's when getDay() == 0 in javascript) # But if we don't know the day, then just return it as-is if (not d.day?) then return d floored = new jsDate(d.year, d.month-1, d.day) floored.setDate(floored.getDate() - 1) while floored.getDay() > 0 new Date(floored.getFullYear(), floored.getMonth()+1, floored.getDate()) durationBetween: (other, unitField) -> if (other instanceof DateTime) then return this.getDateTime().durationBetween(other, unitField) if not(other instanceof Date) then return null a = @toUncertainty() b = other.toUncertainty() new Uncertainty(@_durationBetweenDates(a.high, b.low, unitField), @_durationBetweenDates(a.low, b.high, unitField)) # NOTE: a and b are real JS dates -- not DateTimes. Also this expects time components to be zero! _durationBetweenDates: (a, b, unitField) -> #we need to fix offsets to match so we dont get any JS DST interference, to avoid crossing day boundaries put it in the middle of the day #DST stuff should only be +/- one hour so this should work a.setTime(a.getTime() + (12*60*60*1000)); b.setTime(b.getTime() + (12*60*60*1000)); tzdiff = a.getTimezoneOffset() - b.getTimezoneOffset() b.setTime(b.getTime() + (tzdiff*60*1000)); # DurationBetween is different than DifferenceBetween in that DurationBetween counts whole elapsed time periods, but # DifferenceBetween counts boundaries. For example: # difference in days between @2012-01-01T23:59:59.999 and @2012-01-02T00:00:00.0 calculates to 1 (since it crosses day boundary) # days between @2012-01-01T23:59:59.999 and @2012-01-02T00:00:00.0 calculates to 0 (since there are no full days between them) msDiff = b.getTime() - a.getTime() if msDiff == 0 then return 0 # If it's a negative delta, we need to use ceiling instead of floor when truncating truncFunc = if msDiff > 0 then Math.floor else Math.ceil # For ms, s, min, hr, day, and week this is trivial if unitField == Date.Unit.DAY truncFunc(msDiff / (24 * 60 * 60 * 1000)) else if unitField == Date.Unit.WEEK truncFunc(msDiff / (7 * 24 * 60 * 60 * 1000)) # Months and years are trickier since months are variable length else if unitField == Date.Unit.MONTH or unitField == Date.Unit.YEAR # First get the rough months, essentially counting month "boundaries" months = (b.getFullYear() - a.getFullYear()) * 12 + (b.getMonth() - a.getMonth()) # Now we need to look at the smaller units to see how they compare. Since we only care about comparing # days and below at this point, it's much easier to bring a up to b so it's in the same month, then # we can compare on just the remaining units. aInMonth = new jsDate(a.getTime()) # Remember the original timezone offset because if it changes when we bring it up a month, we need to fix it aInMonthOriginalOffset = aInMonth.getTimezoneOffset() aInMonth.setMonth(a.getMonth() + months) if aInMonthOriginalOffset != aInMonth.getTimezoneOffset() aInMonth.setMinutes(aInMonth.getMinutes() + (aInMonthOriginalOffset - aInMonth.getTimezoneOffset())) # When a is before b, then if a's smaller units are greater than b's, a whole month hasn't elapsed, so adjust if msDiff > 0 and aInMonth > b then months = months - 1 # When b is before a, then if a's smaller units are less than b's, a whole month hasn't elaspsed backwards, so adjust else if msDiff < 0 and aInMonth < b then months = months + 1 # If this is months, just return them, but if it's years, we need to convert if unitField == Date.Unit.MONTH months else truncFunc(months/12) else null getPrecision: () -> result = null if @year? then result = Date.Unit.YEAR else return result if @month? then result = Date.Unit.MONTH else return result if @day? then result = Date.Unit.DAY else return result result toUncertainty: () -> low = @toJSDate() high = new Date( @year, @month ? 12, # see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setDate @day ? (new jsDate(@year, @month ? 12, 0)).getDate() ).toJSDate() new Uncertainty(low, high) toJSDate: () -> [y, mo, d] = [ @year, (if @month? then @month-1 else 0), @day ? 1 ] new jsDate(y, mo, d) @fromJSDate: (date) -> if (date instanceof Date) then return date new Date( date.getFullYear(), date.getMonth() + 1, date.getDate()) toJSON: () -> @toString() toString: () -> str = '' if @year? str += @year.toString() if @month? str += '-' + @month.toString().padStart(2,"0") if @day? str += '-' + @day.toString().padStart(2,"0") str getDateTime: () -> # from the spec: the result will be a DateTime with the time components set to zero, # except for the timezone offset, which will be set to the timezone offset of the evaluation # request timestamp. (this last part is acheived by just not passing in timezone offset) if @year? and @month? and @day? new DateTime(@year, @month, @day, 0, 0, 0, 0) # from spec: no component may be specified at a precision below an unspecified precision. # For example, hour may be null, but if it is, minute, second, and millisecond must all be null as well. else new DateTime(@year, @month, @day) reducedPrecision: (unitField = Date.Unit.DAY) -> reduced = @copy() if unitField isnt Date.Unit.DAY fieldIndex = Date.FIELDS.indexOf unitField fieldsToRemove = Date.FIELDS.slice(fieldIndex + 1) reduced[field] = null for field in fieldsToRemove reduced # Shared Funtions For Date and DateTime DateTime.prototype.isPrecise = Date.prototype.isPrecise = () -> @constructor.FIELDS.every (field) => @[field]? DateTime.prototype.isImprecise = Date.prototype.isImprecise = () -> not @isPrecise() # This function can take another Date-ish object, or a precision string (e.g. 'month') DateTime.prototype.isMorePrecise = Date.prototype.isMorePrecise = (other) -> if typeof other is 'string' and other in @constructor.FIELDS return false if not @[other]? else for field in @constructor.FIELDS if (other[field]? and not @[field]?) then return false not @isSamePrecision(other) # This function can take another Date-ish object, or a precision string (e.g. 'month') DateTime.prototype.isLessPrecise = Date.prototype.isLessPrecise = (other) -> not @isSamePrecision(other) and not @isMorePrecise(other) # This function can take another Date-ish object, or a precision string (e.g. 'month') DateTime.prototype.isSamePrecision = Date.prototype.isSamePrecision = (other) -> if typeof other is 'string' and other in @constructor.FIELDS return other == @getPrecision() for field in @constructor.FIELDS if (@[field]? and not other[field]?) then return false if (not @[field]? and other[field]?) then return false true DateTime.prototype.equals = Date.prototype.equals = (other) -> # leave with false there is a type mismatch unless (@isDate and other.isDate) or (@isDateTime and other.isDateTime) return false # make a copy of other in the correct timezone offset if they don't match. if (@timezoneOffset != other.timezoneOffset) other = other.convertToTimezoneOffset(@timezoneOffset) for field in @constructor.FIELDS # if both have this precision defined if @[field]? and other[field]? # if they are different then return with false if @[field] != other[field] return false # if both dont have this precision, return true else if !@[field]? and !other[field]? return true # otherwise they have inconclusive precision, return null else return null # if we made it here, then all fields matched. true DateTime.prototype.sameAs = Date.prototype.sameAs = (other, precision) -> if not((other.isDate) or (other.isDateTime)) return null else if @.isDate and other.isDateTime return @getDateTime().sameAs(other, precision) else if @.isDateTime and other.isDate other = other.getDateTime() if precision? && @constructor.FIELDS.indexOf(precision) < 0 throw new Error("Invalid precision: #{precision}") # make a copy of other in the correct timezone offset if they don't match. if (@timezoneOffset != other.timezoneOffset) other = other.convertToTimezoneOffset(@timezoneOffset) for field in @constructor.FIELDS # if both have this precision defined if @[field]? and other[field]? # if they are different then return with false if @[field] != other[field] return false # if both dont have this precision, return true of precision is not defined else if !@[field]? and !other[field]? if !precision? return true else # we havent met precision yet return null # otherwise they have inconclusive precision, return null else return null # if precision is defined and we have reached expected precision, we can leave the loop break if precision? and precision is field # if we made it here, then all fields matched. true DateTime.prototype.sameOrBefore = Date.prototype.sameOrBefore = (other, precision) -> if not((other.isDate) or (other.isDateTime)) return null else if @.isDate and other.isDateTime return @getDateTime().sameOrBefore(other, precision) else if @.isDateTime and other.isDate other = other.getDateTime() if precision? && @constructor.FIELDS.indexOf(precision) < 0 throw new Error("Invalid precision: #{precision}") # make a copy of other in the correct timezone offset if they don't match. if (@timezoneOffset != other.timezoneOffset) other = other.convertToTimezoneOffset(@timezoneOffset) for field in @constructor.FIELDS # if both have this precision defined if @[field]? and other[field]? # if this value is less than the other return with true. this is before other if @[field] < other[field] return true # if this value is greater than the other return with false. this is after else if @[field] > other[field] return false # execution continues if the values are the same # if both dont have this precision, return true if precision is not defined else if !@[field]? and !other[field]? if !precision? return true else # we havent met precision yet return null # otherwise they have inconclusive precision, return null else return null # if precision is defined and we have reached expected precision, we can leave the loop break if precision? and precision is field # if we made it here, then all fields matched and they are same true DateTime.prototype.sameOrAfter = Date.prototype.sameOrAfter = (other, precision) -> if not((other.isDate) or (other.isDateTime)) return null else if @.isDate and other.isDateTime return @getDateTime().sameOrAfter(other, precision) else if @.isDateTime and other.isDate other = other.getDateTime() if precision? && @constructor.FIELDS.indexOf(precision) < 0 throw new Error("Invalid precision: #{precision}") # make a copy of other in the correct timezone offset if they don't match. if (@timezoneOffset != other.timezoneOffset) other = other.convertToTimezoneOffset(@timezoneOffset) for field in @constructor.FIELDS # if both have this precision defined if @[field]? and other[field]? # if this value is greater than the other return with true. this is after other if @[field] > other[field] return true # if this value is greater than the other return with false. this is before else if @[field] < other[field] return false # execution continues if the values are the same # if both dont have this precision, return true if precision is not defined else if !@[field]? and !other[field]? if !precision? return true else # we havent met precision yet return null # otherwise they have inconclusive precision, return null else return null # if precision is defined and we have reached expected precision, we can leave the loop break if precision? and precision is field # if we made it here, then all fields matched and they are same true DateTime.prototype.before = Date.prototype.before = (other, precision) -> if not((other.isDate) or (other.isDateTime)) return null else if @.isDate and other.isDateTime return @getDateTime().before(other, precision) else if @.isDateTime and other.isDate other = other.getDateTime() if precision? && @constructor.FIELDS.indexOf(precision) < 0 throw new Error("Invalid precision: #{precision}") # make a copy of other in the correct timezone offset if they don't match. if (@timezoneOffset != other.timezoneOffset) other = other.convertToTimezoneOffset(@timezoneOffset) for field in @constructor.FIELDS # if both have this precision defined if @[field]? and other[field]? # if this value is less than the other return with true. this is before other if @[field] < other[field] return true # if this value is greater than the other return with false. this is after else if @[field] > other[field] return false # execution continues if the values are the same # if both dont have this precision, return false if precision is not defined else if !@[field]? and !other[field]? if !precision? return false else # we havent met precision yet return null # otherwise they have inconclusive precision, return null else return null # if precision is defined and we have reached expected precision, we can leave the loop break if precision? and precision is field # if we made it here, then all fields matched and they are same false DateTime.prototype.after = Date.prototype.after = (other, precision) -> if not((other.isDate) or (other.isDateTime)) return null else if @.isDate and other.isDateTime return @getDateTime().after(other, precision) else if @.isDateTime and other.isDate other = other.getDateTime() if precision? && @constructor.FIELDS.indexOf(precision) < 0 throw new Error("Invalid precision: #{precision}") # make a copy of other in the correct timezone offset if they don't match. if (@timezoneOffset != other.timezoneOffset) other = other.convertToTimezoneOffset(@timezoneOffset) for field in @constructor.FIELDS # if both have this precision defined if @[field]? and other[field]? # if this value is greater than the other return with true. this is after other if @[field] > other[field] return true # if this value is greater than the other return with false. this is before else if @[field] < other[field] return false # execution continues if the values are the same # if both dont have this precision, return false if precision is not defined else if !@[field]? and !other[field]? if !precision? return false else # we havent met precision yet return null # otherwise they have inconclusive precision, return null else return null # if precision is defined and we have reached expected precision, we can leave the loop break if precision? and precision is field # if we made it here, then all fields matched and they are same false DateTime.prototype.add = Date.prototype.add = (offset, field) -> result = @copy() return result if offset == 0 # If weeks, convert to days if field == @constructor.Unit.WEEK offset = offset * 7 field = @constructor.Unit.DAY offsetIsMorePrecise = not result[field]? #whether the quantity we are adding is more precise than @ # From the spec: "The operation is performed by converting the time-based quantity to the most precise value # specified in the date/time (truncating any resulting decimal portion) and then adding it to the date/time value." # However, since you can't really convert e.g. days to months, if @ is less precise than the field being added, we can # "floor" UP to the incoming field precision, then add the offset, then reduce back down to original precision. # For negative offsets, we use the cieling if offsetIsMorePrecise result.year = new jsDate().getFullYear() if not @year #in case there is no year, proceed as if in this year, year will be nullified later fieldFloorOrCiel = if offset >= 0 then @getFieldFloor else @getFieldCieling for f in @constructor.FIELDS # this relies on FIELDS being sorted least to most precise result[f] = result[f] ? fieldFloorOrCiel.call(result,f) break if result[field]? # Increment the field, then round-trip to JS date and back for calendar math result[field] = result[field] + offset normalized = @constructor.fromJSDate(result.toJSDate(), @timezoneOffset) for field in @constructor.FIELDS when result[field]? result[field] = normalized[field] # remove any fields we added (go back to original precision) if offsetIsMorePrecise for f in @constructor.FIELDS result[f] = null if not @[f]? result DateTime.prototype.getFieldFloor = Date.prototype.getFieldFloor = (field) -> if field == 'month' return 1 if field == 'day' return 1 if field == 'hour' return 0 if field == 'minute' return 0 if field == 'second' return 0 if field == 'millisecond' return 0 throw new Error('Tried to floor a field that has no floor value: ' + field) DateTime.prototype.getFieldCieling = Date.prototype.getFieldCieling = (field) -> if field == 'month' return 12 if field == 'day' return daysInMonth(@year, @month) if field == 'hour' return 23 if field == 'minute' return 59 if field == 'second' return 59 if field == 'millisecond' return 999 throw new Error('Tried to clieling a field that has no cieling value: ' + field) daysInMonth = (year, month) -> if not (year? and month?) throw new Error('daysInMonth requires year and month as arguments') # Month is 1-indexed here because of the 0 day return new jsDate(year, month, 0).getDate(); normalizeMillisecondsField = (msString) -> # fix up milliseconds by padding zeros and/or truncating (5 --> 500, 50 --> 500, 54321 --> 543, etc.) msString = (msString + "00").substring(0, 3) isValidDateStringFormat = (string) -> return false if typeof string isnt 'string' cqlFormats = ['YYYY', 'YYYY-MM', 'YYYY-MM-DD'] cqlFormatStringWithLength = {} cqlFormatStringWithLength[format.length] = format for format in cqlFormats return false if !cqlFormatStringWithLength[string.length]? strict = true moment(string, cqlFormatStringWithLength[string.length], strict).isValid() isValidDateTimeStringFormat = (string) -> return false if typeof string isnt 'string' cqlFormats = ['YYYY', 'YYYY-MM', 'YYYY-MM-DD', 'YYYY-MM-DDTZ', 'YYYY-MM-DDT+hh', 'YYYY-MM-DDT+hh:mm', 'YYYY-MM-DDT-hh', 'YYYY-MM-DDT-hh:mm', 'YYYY-MM-DDThh', 'YYYY-MM-DDThhZ', 'YYYY-MM-DDThh+hh', 'YYYY-MM-DDThh+hh:mm', 'YYYY-MM-DDThh-hh', 'YYYY-MM-DDThh-hh:mm', 'YYYY-MM-DDThh:mm', 'YYYY-MM-DDThh:mmZ', 'YYYY-MM-DDThh:mm+hh', 'YYYY-MM-DDThh:mm+hh:mm', 'YYYY-MM-DDThh:mm-hh', 'YYYY-MM-DDThh:mm-hh:mm', 'YYYY-MM-DDThh:mm:ss', 'YYYY-MM-DDThh:mm:ssZ', 'YYYY-MM-DDThh:mm:ss+hh', 'YYYY-MM-DDThh:mm:ss+hh:mm', 'YYYY-MM-DDThh:mm:ss-hh', 'YYYY-MM-DDThh:mm:ss-hh:mm', 'YYYY-MM-DDThh:mm:ss.fff', 'YYYY-MM-DDThh:mm:ss.fffZ', 'YYYY-MM-DDThh:mm:ss.fff+hh', 'YYYY-MM-DDThh:mm:ss.fff+hh:mm', 'YYYY-MM-DDThh:mm:ss.fff-hh', 'YYYY-MM-DDThh:mm:ss.fff-hh:mm'] cqlFormatStringWithLength = {} cqlFormatStringWithLength[format.length] = format for format in cqlFormats return false if !cqlFormatStringWithLength[string.length]? # Moment.js has 2 options for parsing, strict or forgiving. # Strict parsing requires that the format and input match exactly, including delimeters. # Due to CQL using slightly different delimiters than moment, we need to use forgiving. strict = false moment(string, cqlFormatStringToMomentFormatString(cqlFormatStringWithLength[string.length]), strict).isValid() cqlFormatStringToMomentFormatString = (string) -> # CQL: 'YYYY-MM-DDThh:mm:ss.fff-hh:mm', Moment: 'YYYY-MM-DD[T]hh:mm:ss.SSS[Z]' [yearMonthDay, timeAndTimeZoneOffset] = string.split('T') if timeAndTimeZoneOffset? timezoneSeparator = getTimezoneSeparatorFromString(timeAndTimeZoneOffset) momentString = yearMonthDay momentString += '[T]' if string.match(/T/)? if !!timezoneSeparator momentString += timeAndTimeZoneOffset.substring(0, timeAndTimeZoneOffset.search(timezoneSeparator)) + '[Z]' else momentString += timeAndTimeZoneOffset momentString = momentString.replace /f/g, 'S' module.exports.DateTime = DateTime module.exports.Date = Date |