itd/api/types.go

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2022-04-23 00:12:30 +00:00
package api
import (
"fmt"
"strconv"
)
type UpgradeType uint8
const (
UpgradeTypeArchive UpgradeType = iota
UpgradeTypeFiles
)
type FSData struct {
Files []string
Data string
}
type FwUpgradeData struct {
Type UpgradeType
Files []string
}
type NotifyData struct {
Title string
Body string
}
type FSTransferProgress struct {
Total uint32
Sent uint32
}
type FileInfo struct {
Name string
Size int64
IsDir bool
}
func (fi FileInfo) String() string {
var isDirChar rune
if fi.IsDir {
isDirChar = 'd'
} else {
isDirChar = '-'
}
// Get human-readable value for file size
val, unit := bytesHuman(fi.Size)
prec := 0
// If value is less than 10, set precision to 1
if val < 10 {
prec = 1
}
// Convert float to string
valStr := strconv.FormatFloat(val, 'f', prec, 64)
// Return string formatted like so:
// - 10 kB file
// or:
// d 0 B .
return fmt.Sprintf(
"%c %3s %-2s %s",
isDirChar,
valStr,
unit,
fi.Name,
)
}
// bytesHuman returns a human-readable string for
// the amount of bytes inputted.
func bytesHuman(b int64) (float64, string) {
const unit = 1000
// Set possible units prefixes (PineTime flash is 4MB)
units := [2]rune{'k', 'M'}
// If amount of bytes is less than smallest unit
if b < unit {
// Return unchanged with unit "B"
return float64(b), "B"
}
div, exp := int64(unit), 0
// Get decimal values and unit prefix index
for n := b / unit; n >= unit; n /= unit {
div *= unit
exp++
}
// Create string for full unit
unitStr := string([]rune{units[exp], 'B'})
// Return decimal with unit string
return float64(b) / float64(div), unitStr
}