// a quick comparison function for MarkitChartAPIResponses
// currently this just checks that the dates and positions values are the same
func CompareMarkitChartAPIResponses(r *stock.MarkitChartAPIResponse, l *stock.MarkitChartAPIResponse) bool {
if len(r.Dates) != len(l.Dates) ||
len(r.Positions) != len(l.Positions) ||
len(r.Dates) != len(r.Positions) {
return false
}
var rD, lD stock.ISOTime = r.Dates[0], l.Dates[0]
var rP, lP = r.Positions[0], l.Positions[0]
for i := 1; rD.Year() == lD.Year() && rD.YearDay() == lD.YearDay() && rP == lP; i++ {
if i >= len(r.Dates) {
return true
}
rD, lD = r.Dates[i], l.Dates[i]
rP, lP = r.Positions[i], l.Positions[i]
}
return false
}
func makeISOTimeArray(startDate time.Time, endDate time.Time) []stock.ISOTime {
var timeArray []stock.ISOTime
// Make sure startDate and endDate are in 2011/2012, those are the only years
// that we have holiday information for. If not, return empy.
if !(startDate.Year() == 2011 || startDate.Year() == 2012) && (endDate.Year() == 2011 || endDate.Year() == 2012) {
return timeArray
}
var day stock.ISOTime = stock.ISOTime{startDate.AddDate(0, 0, -1)}
for day.Before(endDate) {
day = stock.ISOTime{day.AddDate(0, 0, 1)}
// market is not open on Saturday or Sunday
if day.Weekday() == time.Weekday(0) ||
day.Weekday() == time.Weekday(6) {
continue
}
// market is not open on certain holidays
isHoliday := false
for _, holiday := range Holidays20112012 {
if day.Year() == holiday.Year() && day.YearDay() == holiday.YearDay() {
isHoliday = true
break
}
}
if !isHoliday {
timeArray = append(timeArray, day)
}
}
return timeArray
}