AnthoLume/api/utils.go

137 lines
3.4 KiB
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package api
import (
"bytes"
"crypto/md5"
"fmt"
"io"
"math"
"os"
"reichard.io/bbank/database"
"reichard.io/bbank/graph"
)
type UTCOffset struct {
Name string
Value string
}
var UTC_OFFSETS = []UTCOffset{
{Value: "-12 hours", Name: "UTC12:00"},
{Value: "-11 hours", Name: "UTC11:00"},
{Value: "-10 hours", Name: "UTC10:00"},
{Value: "-9.5 hours", Name: "UTC09:30"},
{Value: "-9 hours", Name: "UTC09:00"},
{Value: "-8 hours", Name: "UTC08:00"},
{Value: "-7 hours", Name: "UTC07:00"},
{Value: "-6 hours", Name: "UTC06:00"},
{Value: "-5 hours", Name: "UTC05:00"},
{Value: "-4 hours", Name: "UTC04:00"},
{Value: "-3.5 hours", Name: "UTC03:30"},
{Value: "-3 hours", Name: "UTC03:00"},
{Value: "-2 hours", Name: "UTC02:00"},
{Value: "-1 hours", Name: "UTC01:00"},
{Value: "0 hours", Name: "UTC±00:00"},
{Value: "+1 hours", Name: "UTC+01:00"},
{Value: "+2 hours", Name: "UTC+02:00"},
{Value: "+3 hours", Name: "UTC+03:00"},
{Value: "+3.5 hours", Name: "UTC+03:30"},
{Value: "+4 hours", Name: "UTC+04:00"},
{Value: "+4.5 hours", Name: "UTC+04:30"},
{Value: "+5 hours", Name: "UTC+05:00"},
{Value: "+5.5 hours", Name: "UTC+05:30"},
{Value: "+5.75 hours", Name: "UTC+05:45"},
{Value: "+6 hours", Name: "UTC+06:00"},
{Value: "+6.5 hours", Name: "UTC+06:30"},
{Value: "+7 hours", Name: "UTC+07:00"},
{Value: "+8 hours", Name: "UTC+08:00"},
{Value: "+8.75 hours", Name: "UTC+08:45"},
{Value: "+9 hours", Name: "UTC+09:00"},
{Value: "+9.5 hours", Name: "UTC+09:30"},
{Value: "+10 hours", Name: "UTC+10:00"},
{Value: "+10.5 hours", Name: "UTC+10:30"},
{Value: "+11 hours", Name: "UTC+11:00"},
{Value: "+12 hours", Name: "UTC+12:00"},
{Value: "+12.75 hours", Name: "UTC+12:45"},
{Value: "+13 hours", Name: "UTC+13:00"},
{Value: "+14 hours", Name: "UTC+14:00"},
}
func getUTCOffsets() []UTCOffset {
return UTC_OFFSETS
}
func niceSeconds(input int64) (result string) {
if input == 0 {
return "N/A"
}
days := math.Floor(float64(input) / 60 / 60 / 24)
seconds := input % (60 * 60 * 24)
hours := math.Floor(float64(seconds) / 60 / 60)
seconds = input % (60 * 60)
minutes := math.Floor(float64(seconds) / 60)
seconds = input % 60
if days > 0 {
result += fmt.Sprintf("%dd ", int(days))
}
if hours > 0 {
result += fmt.Sprintf("%dh ", int(hours))
}
if minutes > 0 {
result += fmt.Sprintf("%dm ", int(minutes))
}
if seconds > 0 {
result += fmt.Sprintf("%ds", int(seconds))
}
return
}
// Reimplemented KOReader Partial MD5 Calculation
func calculatePartialMD5(filePath string) (string, error) {
file, err := os.Open(filePath)
if err != nil {
return "", err
}
defer file.Close()
var step int64 = 1024
var size int64 = 1024
var buf bytes.Buffer
for i := -1; i <= 10; i++ {
byteStep := make([]byte, size)
var newShift int64 = int64(i * 2)
var newOffset int64
if i == -1 {
newOffset = 0
} else {
newOffset = step << newShift
}
_, err := file.ReadAt(byteStep, newOffset)
if err == io.EOF {
break
}
buf.Write(byteStep)
}
allBytes := buf.Bytes()
return fmt.Sprintf("%x", md5.Sum(allBytes)), nil
}
// Convert Database Array -> Int64 Array
func getSVGGraphData(inputData []database.GetDailyReadStatsRow, svgWidth int, svgHeight int) graph.SVGGraphData {
var intData []int64
for _, item := range inputData {
intData = append(intData, item.MinutesRead)
}
return graph.GetSVGGraphData(intData, svgWidth, svgHeight)
}