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view.go
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view.go
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package meta
import (
"sort"
"strconv"
"strings"
"time"
)
const (
viewMount = iota
viewCode
viewLabel
viewAzimuth
viewMethod
viewDip
viewDescription
viewStart
viewEnd
viewLast
)
var viewHeaders Header = map[string]int{
"Mount": viewMount,
"View": viewCode,
"Label": viewLabel,
"Azimuth": viewAzimuth,
"Method": viewMethod,
"Dip": viewDip,
"Description": viewDescription,
"Start Date": viewStart,
"End Date": viewEnd,
}
type View struct {
Orientation
Span
Mount string
Code string
Label string
Description string
}
type ViewList []View
func (v ViewList) Len() int { return len(v) }
func (v ViewList) Swap(i, j int) { v[i], v[j] = v[j], v[i] }
func (v ViewList) Less(i, j int) bool {
switch {
case v[i].Mount < v[j].Mount:
return true
case v[i].Mount > v[j].Mount:
return false
case v[i].Code < v[j].Code:
return true
default:
return false
}
}
func (v ViewList) encode() [][]string {
var data [][]string
data = append(data, viewHeaders.Columns())
for _, row := range v {
data = append(data, []string{
strings.TrimSpace(row.Mount),
strings.TrimSpace(row.Code),
strings.TrimSpace(row.Label),
strings.TrimSpace(row.azimuth),
strings.TrimSpace(row.Method),
strings.TrimSpace(row.dip),
strings.TrimSpace(row.Description),
row.Start.Format(DateTimeFormat),
row.End.Format(DateTimeFormat),
})
}
return data
}
func (v *ViewList) decode(data [][]string) error {
if !(len(data) > 1) {
return nil
}
var views []View
fields := viewHeaders.Fields(data[0])
for _, row := range data[1:] {
d := fields.Remap(row)
dip, err := strconv.ParseFloat(d[viewDip], 64)
if err != nil {
return err
}
azimuth, err := strconv.ParseFloat(d[viewAzimuth], 64)
if err != nil {
return err
}
start, err := time.Parse(DateTimeFormat, d[viewStart])
if err != nil {
return err
}
end, err := time.Parse(DateTimeFormat, d[viewEnd])
if err != nil {
return err
}
views = append(views, View{
Mount: strings.TrimSpace(d[viewMount]),
Code: strings.TrimSpace(d[viewCode]),
Label: strings.TrimSpace(d[viewLabel]),
Description: strings.TrimSpace(d[viewDescription]),
Orientation: Orientation{
Dip: dip,
Azimuth: azimuth,
Method: strings.TrimSpace(d[viewMethod]),
azimuth: strings.TrimSpace(d[viewAzimuth]),
dip: strings.TrimSpace(d[viewDip]),
},
Span: Span{
Start: start,
End: end,
},
})
}
*v = ViewList(views)
return nil
}
func LoadViews(path string) ([]View, error) {
var v []View
if err := LoadList(path, (*ViewList)(&v)); err != nil {
return nil, err
}
sort.Sort(ViewList(v))
return v, nil
}