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386 lines
10 KiB
386 lines
10 KiB
// Copyright 2014 The Gogs Authors. All rights reserved. |
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// Use of this source code is governed by a MIT-style |
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// license that can be found in the LICENSE file. |
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package base |
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import ( |
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"bytes" |
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"crypto/md5" |
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"crypto/rand" |
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"crypto/sha1" |
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"encoding/hex" |
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"encoding/json" |
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"fmt" |
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"math" |
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"strconv" |
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"strings" |
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"time" |
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) |
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// Encode string to md5 hex value |
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func EncodeMd5(str string) string { |
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m := md5.New() |
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m.Write([]byte(str)) |
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return hex.EncodeToString(m.Sum(nil)) |
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} |
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// Random generate string |
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func GetRandomString(n int) string { |
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const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" |
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var bytes = make([]byte, n) |
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rand.Read(bytes) |
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for i, b := range bytes { |
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bytes[i] = alphanum[b%byte(len(alphanum))] |
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} |
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return string(bytes) |
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} |
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// create a time limit code |
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// code format: 12 length date time string + 6 minutes string + 40 sha1 encoded string |
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func CreateTimeLimitCode(data string, minutes int, startInf interface{}) string { |
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format := "YmdHi" |
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var start, end time.Time |
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var startStr, endStr string |
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if startInf == nil { |
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// Use now time create code |
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start = time.Now() |
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startStr = DateFormat(start, format) |
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} else { |
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// use start string create code |
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startStr = startInf.(string) |
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start, _ = DateParse(startStr, format) |
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startStr = DateFormat(start, format) |
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} |
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end = start.Add(time.Minute * time.Duration(minutes)) |
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endStr = DateFormat(end, format) |
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// create sha1 encode string |
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sh := sha1.New() |
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sh.Write([]byte(data + SecretKey + startStr + endStr + ToStr(minutes))) |
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encoded := hex.EncodeToString(sh.Sum(nil)) |
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code := fmt.Sprintf("%s%06d%s", startStr, minutes, encoded) |
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return code |
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} |
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// AvatarLink returns avatar link by given e-mail. |
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func AvatarLink(email string) string { |
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return "http://1.gravatar.com/avatar/" + EncodeMd5(email) |
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} |
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// Seconds-based time units |
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const ( |
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Minute = 60 |
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Hour = 60 * Minute |
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Day = 24 * Hour |
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Week = 7 * Day |
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Month = 30 * Day |
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Year = 12 * Month |
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) |
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// TimeSince calculates the time interval and generate user-friendly string. |
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func TimeSince(then time.Time) string { |
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now := time.Now() |
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lbl := "ago" |
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diff := now.Unix() - then.Unix() |
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if then.After(now) { |
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lbl = "from now" |
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diff = then.Unix() - now.Unix() |
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} |
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switch { |
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case diff <= 0: |
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return "now" |
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case diff <= 2: |
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return fmt.Sprintf("1 second %s", lbl) |
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case diff < 1*Minute: |
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return fmt.Sprintf("%d seconds %s", diff, lbl) |
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case diff < 2*Minute: |
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return fmt.Sprintf("1 minute %s", lbl) |
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case diff < 1*Hour: |
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return fmt.Sprintf("%d minutes %s", diff/Minute, lbl) |
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case diff < 2*Hour: |
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return fmt.Sprintf("1 hour %s", lbl) |
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case diff < 1*Day: |
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return fmt.Sprintf("%d hours %s", diff/Hour, lbl) |
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case diff < 2*Day: |
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return fmt.Sprintf("1 day %s", lbl) |
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case diff < 1*Week: |
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return fmt.Sprintf("%d days %s", diff/Day, lbl) |
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case diff < 2*Week: |
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return fmt.Sprintf("1 week %s", lbl) |
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case diff < 1*Month: |
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return fmt.Sprintf("%d weeks %s", diff/Week, lbl) |
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case diff < 2*Month: |
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return fmt.Sprintf("1 month %s", lbl) |
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case diff < 1*Year: |
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return fmt.Sprintf("%d months %s", diff/Month, lbl) |
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case diff < 18*Month: |
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return fmt.Sprintf("1 year %s", lbl) |
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} |
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return then.String() |
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} |
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const ( |
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Byte = 1 |
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KByte = Byte * 1024 |
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MByte = KByte * 1024 |
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GByte = MByte * 1024 |
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TByte = GByte * 1024 |
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PByte = TByte * 1024 |
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EByte = PByte * 1024 |
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) |
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var bytesSizeTable = map[string]uint64{ |
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"b": Byte, |
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"kb": KByte, |
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"mb": MByte, |
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"gb": GByte, |
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"tb": TByte, |
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"pb": PByte, |
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"eb": 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("%dB", 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 := float64(s) / math.Pow(base, math.Floor(e)) |
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f := "%.0f" |
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if val < 10 { |
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f = "%.1f" |
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} |
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return fmt.Sprintf(f+"%s", val, suffix) |
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} |
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// FileSize calculates the file size and generate user-friendly string. |
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func FileSize(s int64) string { |
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sizes := []string{"B", "KB", "MB", "GB", "TB", "PB", "EB"} |
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return humanateBytes(uint64(s), 1024, sizes) |
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} |
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// Subtract deals with subtraction of all types of number. |
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func Subtract(left interface{}, right interface{}) interface{} { |
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var rleft, rright int64 |
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var fleft, fright float64 |
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var isInt bool = true |
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switch left.(type) { |
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case int: |
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rleft = int64(left.(int)) |
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case int8: |
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rleft = int64(left.(int8)) |
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case int16: |
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rleft = int64(left.(int16)) |
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case int32: |
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rleft = int64(left.(int32)) |
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case int64: |
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rleft = left.(int64) |
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case float32: |
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fleft = float64(left.(float32)) |
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isInt = false |
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case float64: |
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fleft = left.(float64) |
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isInt = false |
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} |
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switch right.(type) { |
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case int: |
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rright = int64(right.(int)) |
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case int8: |
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rright = int64(right.(int8)) |
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case int16: |
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rright = int64(right.(int16)) |
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case int32: |
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rright = int64(right.(int32)) |
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case int64: |
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rright = right.(int64) |
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case float32: |
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fright = float64(left.(float32)) |
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isInt = false |
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case float64: |
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fleft = left.(float64) |
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isInt = false |
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} |
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if isInt { |
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return rleft - rright |
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} else { |
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return fleft + float64(rleft) - (fright + float64(rright)) |
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} |
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} |
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// DateFormat pattern rules. |
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var datePatterns = []string{ |
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// year |
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"Y", "2006", // A full numeric representation of a year, 4 digits Examples: 1999 or 2003 |
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"y", "06", //A two digit representation of a year Examples: 99 or 03 |
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// month |
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"m", "01", // Numeric representation of a month, with leading zeros 01 through 12 |
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"n", "1", // Numeric representation of a month, without leading zeros 1 through 12 |
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"M", "Jan", // A short textual representation of a month, three letters Jan through Dec |
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"F", "January", // A full textual representation of a month, such as January or March January through December |
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// day |
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"d", "02", // Day of the month, 2 digits with leading zeros 01 to 31 |
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"j", "2", // Day of the month without leading zeros 1 to 31 |
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// week |
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"D", "Mon", // A textual representation of a day, three letters Mon through Sun |
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"l", "Monday", // A full textual representation of the day of the week Sunday through Saturday |
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// time |
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"g", "3", // 12-hour format of an hour without leading zeros 1 through 12 |
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"G", "15", // 24-hour format of an hour without leading zeros 0 through 23 |
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"h", "03", // 12-hour format of an hour with leading zeros 01 through 12 |
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"H", "15", // 24-hour format of an hour with leading zeros 00 through 23 |
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"a", "pm", // Lowercase Ante meridiem and Post meridiem am or pm |
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"A", "PM", // Uppercase Ante meridiem and Post meridiem AM or PM |
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"i", "04", // Minutes with leading zeros 00 to 59 |
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"s", "05", // Seconds, with leading zeros 00 through 59 |
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// time zone |
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"T", "MST", |
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"P", "-07:00", |
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"O", "-0700", |
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// RFC 2822 |
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"r", time.RFC1123Z, |
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} |
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// Parse Date use PHP time format. |
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func DateParse(dateString, format string) (time.Time, error) { |
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replacer := strings.NewReplacer(datePatterns...) |
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format = replacer.Replace(format) |
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return time.ParseInLocation(format, dateString, time.Local) |
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} |
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// Date takes a PHP like date func to Go's time format. |
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func DateFormat(t time.Time, format string) string { |
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replacer := strings.NewReplacer(datePatterns...) |
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format = replacer.Replace(format) |
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return t.Format(format) |
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} |
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type argInt []int |
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func (a argInt) Get(i int, args ...int) (r int) { |
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if i >= 0 && i < len(a) { |
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r = a[i] |
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} |
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if len(args) > 0 { |
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r = args[0] |
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} |
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return |
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} |
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// convert any type to string |
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func ToStr(value interface{}, args ...int) (s string) { |
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switch v := value.(type) { |
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case bool: |
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s = strconv.FormatBool(v) |
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case float32: |
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s = strconv.FormatFloat(float64(v), 'f', argInt(args).Get(0, -1), argInt(args).Get(1, 32)) |
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case float64: |
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s = strconv.FormatFloat(v, 'f', argInt(args).Get(0, -1), argInt(args).Get(1, 64)) |
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case int: |
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s = strconv.FormatInt(int64(v), argInt(args).Get(0, 10)) |
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case int8: |
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s = strconv.FormatInt(int64(v), argInt(args).Get(0, 10)) |
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case int16: |
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s = strconv.FormatInt(int64(v), argInt(args).Get(0, 10)) |
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case int32: |
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s = strconv.FormatInt(int64(v), argInt(args).Get(0, 10)) |
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case int64: |
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s = strconv.FormatInt(v, argInt(args).Get(0, 10)) |
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case uint: |
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s = strconv.FormatUint(uint64(v), argInt(args).Get(0, 10)) |
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case uint8: |
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s = strconv.FormatUint(uint64(v), argInt(args).Get(0, 10)) |
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case uint16: |
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s = strconv.FormatUint(uint64(v), argInt(args).Get(0, 10)) |
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case uint32: |
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s = strconv.FormatUint(uint64(v), argInt(args).Get(0, 10)) |
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case uint64: |
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s = strconv.FormatUint(v, argInt(args).Get(0, 10)) |
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case string: |
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s = v |
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case []byte: |
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s = string(v) |
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default: |
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s = fmt.Sprintf("%v", v) |
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} |
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return s |
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} |
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type Actioner interface { |
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GetOpType() int |
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GetActUserName() string |
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GetRepoName() string |
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GetContent() string |
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} |
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// ActionIcon accepts a int that represents action operation type |
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// and returns a icon class name. |
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func ActionIcon(opType int) string { |
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switch opType { |
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case 1: // Create repository. |
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return "plus-circle" |
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case 5: // Commit repository. |
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return "arrow-circle-o-right" |
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default: |
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return "invalid type" |
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} |
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} |
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const ( |
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TPL_CREATE_REPO = `<a href="/user/%s">%s</a> created repository <a href="/%s/%s">%s</a>` |
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TPL_COMMIT_REPO = `<a href="/user/%s">%s</a> pushed to <a href="/%s/%s/tree/%s">%s</a> at <a href="/%s/%s">%s/%s</a>%s` |
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TPL_COMMIT_REPO_LI = `<div><img id="gogs-user-avatar-commit" src="%s?s=16" alt="user-avatar" title="username"/> <a href="/%s/%s/commit/%s">%s</a> %s</div>` |
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) |
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// ActionDesc accepts int that represents action operation type |
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// and returns the description. |
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func ActionDesc(act Actioner, avatarLink string) string { |
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actUserName := act.GetActUserName() |
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repoName := act.GetRepoName() |
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content := act.GetContent() |
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switch act.GetOpType() { |
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case 1: // Create repository. |
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return fmt.Sprintf(TPL_CREATE_REPO, actUserName, actUserName, actUserName, repoName, repoName) |
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case 5: // Commit repository. |
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var commits [][]string |
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if err := json.Unmarshal([]byte(content), &commits); err != nil { |
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return err.Error() |
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} |
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buf := bytes.NewBuffer([]byte("\n")) |
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for _, commit := range commits { |
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buf.WriteString(fmt.Sprintf(TPL_COMMIT_REPO_LI, avatarLink, actUserName, repoName, commit[0], commit[0][:7], commit[1]) + "\n") |
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} |
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return fmt.Sprintf(TPL_COMMIT_REPO, actUserName, actUserName, actUserName, repoName, "master", "master", actUserName, repoName, actUserName, repoName, |
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buf.String()) |
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default: |
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return "invalid type" |
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} |
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}
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