soroush.asadi
90ac0b81d1
Add full V2 architecture: identity, content, studio (.NET 10) and file, render, notification, gateway (Go) services with vendored deps, plus DB migrations, event/API contracts, and an init-db script. Wire the Next.js frontend to the gateway: server-side JWT auth routes (login/register/refresh/logout/me), gateway fetch helper, and session/ cookie/jwt helpers under src/lib. Containerize the stack via docker-compose.v2.yml and per-service Dockerfiles. Base images resolve through a Nexus mirror (Docker Hub) and MCR directly; npm/NuGet pull from Nexus groups. Self-host fonts via next/font/local to avoid Google Fonts (geo-blocked). Add CI workflow and ignore .env.v2, *.stackdump, and .NET bin/obj. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
144 lines
2.5 KiB
Go
144 lines
2.5 KiB
Go
package humanize
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import (
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"fmt"
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"math"
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"strconv"
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"strings"
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"unicode"
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)
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// IEC Sizes.
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// kibis of bits
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const (
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Byte = 1 << (iota * 10)
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KiByte
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MiByte
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GiByte
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TiByte
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PiByte
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EiByte
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)
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// SI Sizes.
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const (
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IByte = 1
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KByte = IByte * 1000
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MByte = KByte * 1000
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GByte = MByte * 1000
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TByte = GByte * 1000
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PByte = TByte * 1000
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EByte = PByte * 1000
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)
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var bytesSizeTable = map[string]uint64{
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"b": Byte,
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"kib": KiByte,
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"kb": KByte,
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"mib": MiByte,
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"mb": MByte,
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"gib": GiByte,
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"gb": GByte,
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"tib": TiByte,
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"tb": TByte,
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"pib": PiByte,
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"pb": PByte,
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"eib": EiByte,
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"eb": EByte,
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// Without suffix
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"": Byte,
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"ki": KiByte,
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"k": KByte,
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"mi": MiByte,
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"m": MByte,
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"gi": GiByte,
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"g": GByte,
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"ti": TiByte,
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"t": TByte,
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"pi": PiByte,
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"p": PByte,
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"ei": EiByte,
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"e": EByte,
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}
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func logn(n, b float64) float64 {
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return math.Log(n) / math.Log(b)
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}
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func humanateBytes(s uint64, base float64, sizes []string) string {
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if s < 10 {
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return fmt.Sprintf("%d B", s)
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}
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e := math.Floor(logn(float64(s), base))
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suffix := sizes[int(e)]
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val := math.Floor(float64(s)/math.Pow(base, e)*10+0.5) / 10
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f := "%.0f %s"
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if val < 10 {
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f = "%.1f %s"
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}
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return fmt.Sprintf(f, val, suffix)
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}
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// Bytes produces a human readable representation of an SI size.
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//
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// See also: ParseBytes.
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//
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// Bytes(82854982) -> 83 MB
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func Bytes(s uint64) string {
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sizes := []string{"B", "kB", "MB", "GB", "TB", "PB", "EB"}
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return humanateBytes(s, 1000, sizes)
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}
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// IBytes produces a human readable representation of an IEC size.
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//
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// See also: ParseBytes.
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//
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// IBytes(82854982) -> 79 MiB
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func IBytes(s uint64) string {
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sizes := []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
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return humanateBytes(s, 1024, sizes)
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}
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// ParseBytes parses a string representation of bytes into the number
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// of bytes it represents.
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//
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// See Also: Bytes, IBytes.
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//
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// ParseBytes("42 MB") -> 42000000, nil
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// ParseBytes("42 mib") -> 44040192, nil
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func ParseBytes(s string) (uint64, error) {
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lastDigit := 0
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hasComma := false
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for _, r := range s {
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if !(unicode.IsDigit(r) || r == '.' || r == ',') {
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break
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}
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if r == ',' {
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hasComma = true
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}
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lastDigit++
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}
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num := s[:lastDigit]
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if hasComma {
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num = strings.Replace(num, ",", "", -1)
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}
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f, err := strconv.ParseFloat(num, 64)
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if err != nil {
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return 0, err
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}
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extra := strings.ToLower(strings.TrimSpace(s[lastDigit:]))
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if m, ok := bytesSizeTable[extra]; ok {
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f *= float64(m)
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if f >= math.MaxUint64 {
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return 0, fmt.Errorf("too large: %v", s)
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}
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return uint64(f), nil
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}
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return 0, fmt.Errorf("unhandled size name: %v", extra)
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}
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