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|
package server
import (
"fmt"
"io"
"regexp"
"strings"
"go.neonxp.ru/qchat/internal/chat"
)
var replacements = []replacement{
{
From: *regexp.MustCompile(`\*(.+?)\*`),
To: fmt.Sprintf("%s$1%s", escapeCodes[Bold], escapeCodes[Reset]),
},
{
From: *regexp.MustCompile(`\+(.+?)\+`),
To: fmt.Sprintf("%s$1%s", escapeCodes[Italic], escapeCodes[Reset]),
},
{
From: *regexp.MustCompile(`\-(.+?)\-`),
To: fmt.Sprintf("%s$1%s", escapeCodes[Strike], escapeCodes[Reset]),
},
{
From: *regexp.MustCompile(`_(.+?)_`),
To: fmt.Sprintf("%s$1%s", escapeCodes[Underline], escapeCodes[Reset]),
},
}
func processUserEvent(message any, w io.Writer, user *chat.User) {
switch message := message.(type) {
case chat.Message:
displayMessage(w, message, user)
case chat.SelfMessage:
displaySelfMessage(w, message)
case chat.SystemMessage:
displaySystemMessage(w, message)
case chat.UserJoined:
displayUserJoined(w, message)
case chat.UserLeft:
displayUserLeft(w, message)
case chat.UserLogs:
displayUserLogs(w, message)
}
}
func displayMessage(w io.Writer, message chat.Message, user *chat.User) {
msg := message.Message
mentionFrom := "@" + user.Username
mentionTo := string(escapeCodes[Yellow]) + string(escapeCodes[Underline]) + "@" + user.Username + string(escapeCodes[Reset])
if strings.Contains(msg, mentionFrom) {
msg = strings.ReplaceAll(msg, mentionFrom, mentionTo)
msg = "\x07\a" + msg
}
for _, r := range replacements {
msg = r.From.ReplaceAllString(msg, r.To)
}
fmt.Fprintf(w, "%s%18s%s [%s]%s: %s\n",
escapeCodes[Blue],
message.User.NUsername(),
escapeCodes[Green],
message.Time.Format("15:04:05"),
escapeCodes[Reset],
msg,
)
}
func displaySystemMessage(w io.Writer, message chat.SystemMessage) {
fmt.Fprintf(w, "%s* %s %s\n",
escapeCodes[Green],
message.Message,
escapeCodes[Reset],
)
}
func displaySelfMessage(w io.Writer, message chat.SelfMessage) {
fmt.Fprintf(w, "%s* %s %s%s\n",
escapeCodes[Blue],
message.User.NUsername(),
message.Message,
escapeCodes[Reset],
)
}
func displayUserJoined(w io.Writer, presence chat.UserJoined) {
fmt.Fprintf(w, "%s* %s joined to %s chan%s\n",
escapeCodes[Green],
presence.User.NUsername(),
presence.Chan.Name,
escapeCodes[Reset],
)
}
func displayUserLeft(w io.Writer, presence chat.UserLeft) {
fmt.Fprintf(w, "%s* %s left %s chan%s\n",
escapeCodes[Red],
presence.User.NUsername(),
presence.Chan.Name,
escapeCodes[Reset],
)
}
func displayUserLogs(w io.Writer, message chat.UserLogs) {
messages := make([]string, 0, len(message.Logs))
for _, m := range message.Logs {
switch m.Type {
case chat.TypeNone:
continue
case chat.TypeJoined:
messages = append(messages, fmt.Sprintf("* %18s [%s]: joined", m.Username, m.Time.Format("15:04:05")))
case chat.TypeLeft:
messages = append(messages, fmt.Sprintf("* %18s [%s]: left", m.Username, m.Time.Format("15:04:05")))
case chat.TypeMessage:
messages = append(messages, fmt.Sprintf("%18s [%s]: %s", m.Username, m.Time.Format("15:04:05"), m.Message))
}
}
if len(messages) == 0 {
return
}
fmt.Fprintf(w, "%s* Last channel messages:\n%s%s\n",
escapeCodes[Blue],
strings.Join(messages, "\n"),
escapeCodes[Reset],
)
}
type replacement struct {
From regexp.Regexp
To string
}
|
