mirror of
https://git.mills.io/saltyim/saltyim.git
synced 2024-06-30 18:51:03 +00:00
45 lines
920 B
Go
45 lines
920 B
Go
package saltyim
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import (
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"fmt"
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"hash/fnv"
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"os"
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"github.com/logrusorgru/aurora"
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"go.yarn.social/lextwt"
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)
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func boundedInt(value, low, high uint8) uint8 {
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diff := high - low
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return (((value - low) % diff) + low)
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}
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func GetUserColor(user string, lower, upper uint8) uint8 {
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h := fnv.New32()
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h.Sum([]byte(user))
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return boundedInt(uint8(h.Sum32()), lower, upper)
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}
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func FormatMessage(msg string) string {
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s, err := lextwt.ParseSalty(msg)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error parsing message %q: %s", msg, err)
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return ""
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}
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st, ok := s.(*lextwt.SaltyText)
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if !ok {
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fmt.Fprintf(os.Stderr, "unexpected error")
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return ""
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}
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userColor := GetUserColor(st.User.String(), 16, 231)
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return fmt.Sprintf(
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"%s\t%s\t%s\n",
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aurora.Sprintf(aurora.Blue(st.Timestamp.DateTime().Local().Format(dateTimeFormat))),
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aurora.Sprintf(aurora.Index(userColor, st.User.String())),
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st.LiteralText(),
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)
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}
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