Fix long lines being cut by the IRC server

go.mod

@@ -3,17 +3,16 @@ module github.com/ritlug/teleirc
 go 1.14
 
 require (
-	github.com/caarlos0/env/v6 v6.0.0
-	github.com/go-playground/locales v0.12.1 // indirect
-	github.com/go-playground/universal-translator v0.16.0 // indirect
-	github.com/go-playground/validator v9.29.1+incompatible
+	github.com/caarlos0/env/v6 v6.10.1
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator v9.31.0+incompatible
 	github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible
-	github.com/golang/mock v1.4.3
-	github.com/joho/godotenv v1.3.0
+	github.com/golang/mock v1.6.0
+	github.com/joho/godotenv v1.5.1
 	github.com/kyokomi/emoji v2.1.0+incompatible
-	github.com/leodido/go-urn v1.1.0 // indirect
-	github.com/lrstanley/girc v0.0.0-20190801035559-4fc93959e1a7
-	github.com/stretchr/testify v1.3.0
+	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/lrstanley/girc v0.0.0-20230911164840-f47717952bf9
+	github.com/stretchr/testify v1.8.2
 	github.com/technoweenie/multipartstreamer v1.0.1 // indirect
 	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
 )

go.sum

@@ -1,41 +1,77 @@
-github.com/caarlos0/env/v6 v6.0.0 h1:NZt6FAoB8ieKO5lEwRdwCzYxWFx7ZYF2R7UcoyaWtyc=
-github.com/caarlos0/env/v6 v6.0.0/go.mod h1:+wdyOmtjoZIW2GJOc2OYa5NoOFuWD/bIpWqm30NgtRk=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/caarlos0/env/v6 v6.10.1 h1:t1mPSxNpei6M5yAeu1qtRdPAK29Nbcf/n3G7x+b3/II=
+github.com/caarlos0/env/v6 v6.10.1/go.mod h1:hvp/ryKXKipEkcuYjs9mI4bBCg+UI0Yhgm5Zu0ddvwc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/go-playground/locales v0.12.1 h1:2FITxuFt/xuCNP1Acdhv62OzaCiviiE4kotfhkmOqEc=
-github.com/go-playground/locales v0.12.1/go.mod h1:IUMDtCfWo/w/mtMfIE/IG2K+Ey3ygWanZIBtBW0W2TM=
-github.com/go-playground/universal-translator v0.16.0 h1:X++omBR/4cE2MNg91AoC3rmGrCjJ8eAeUP/K/EKx4DM=
-github.com/go-playground/universal-translator v0.16.0/go.mod h1:1AnU7NaIRDWWzGEKwgtJRd2xk99HeFyHw3yid4rvQIY=
-github.com/go-playground/validator v9.29.1+incompatible h1:KzeWOnoPKd5L5RG0JlVFwkdsVX9QpQdSdmTtcn7nLU8=
-github.com/go-playground/validator v9.29.1+incompatible/go.mod h1:yrEkQXlcI+PugkyDjY2bRrL/UBU4f3rvrgkN3V8JEig=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
+github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
+github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
+github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
+github.com/go-playground/validator v9.31.0+incompatible h1:UA72EPEogEnq76ehGdEDp4Mit+3FDh548oRqwVgNsHA=
+github.com/go-playground/validator v9.31.0+incompatible/go.mod h1:yrEkQXlcI+PugkyDjY2bRrL/UBU4f3rvrgkN3V8JEig=
 github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible h1:2cauKuaELYAEARXRkq2LrJ0yDDv1rW7+wrTEdVL3uaU=
 github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible/go.mod h1:qf9acutJ8cwBUhm1bqgz6Bei9/C/c93FPDljKWwsOgM=
-github.com/golang/mock v1.4.3 h1:GV+pQPG/EUUbkh47niozDcADz6go/dUwhVzdUQHIVRw=
-github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
-github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
-github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
+github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
+github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/kyokomi/emoji v2.1.0+incompatible h1:+DYU2RgpI6OHG4oQkM5KlqD3Wd3UPEsX8jamTo1Mp6o=
 github.com/kyokomi/emoji v2.1.0+incompatible/go.mod h1:mZ6aGCD7yk8j6QY6KICwnZ2pxoszVseX1DNoGtU2tBA=
-github.com/leodido/go-urn v1.1.0 h1:Sm1gr51B1kKyfD2BlRcLSiEkffoG96g6TPv6eRoEiB8=
-github.com/leodido/go-urn v1.1.0/go.mod h1:+cyI34gQWZcE1eQU7NVgKkkzdXDQHr1dBMtdAPozLkw=
-github.com/lrstanley/girc v0.0.0-20190801035559-4fc93959e1a7 h1:BS9tqL0OCiOGuy/CYYk2gc33fxqaqh5/rhqMKu4tcYA=
-github.com/lrstanley/girc v0.0.0-20190801035559-4fc93959e1a7/go.mod h1:liX5MxHPrwgHaKowoLkYGwbXfYABh1jbZ6FpElbGF1I=
+github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q=
+github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4=
+github.com/lrstanley/girc v0.0.0-20230911164840-f47717952bf9 h1:Kgp9FtxM8VZr2wDmXhCkd/f2EW5NeXJzZSWMYQB4M4s=
+github.com/lrstanley/girc v0.0.0-20230911164840-f47717952bf9/go.mod h1:lgrnhcF8bg/Bd5HA5DOb4Z+uGqUqGnp4skr+J2GwVgI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
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 github.com/technoweenie/multipartstreamer v1.0.1/go.mod h1:jNVxdtShOxzAsukZwTSw6MDx5eUJoiEBsSvzDU9uzog=
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 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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internal/handlers/irc/irc.go

@@ -2,7 +2,9 @@ package irc
 
 import (
 	"net"
+	"strings"
 	"time"
+	"unicode/utf8"
 
 	"github.com/lrstanley/girc"
 	"github.com/ritlug/teleirc/internal"
@@ -91,7 +93,27 @@ func (c Client) ConnectDialer(dialer girc.Dialer) error {
 Message sends a PRIVMSG to target (either channel, service, or user).
 */
 func (c Client) Message(channel string, msg string) {
-	c.Cmd.Message(channel, msg)
+	maxLength := c.MaxEventLength()
+
+	if len(msg) <= maxLength {
+		c.Cmd.Message(channel, msg)
+		return
+	}
+
+	var msgPart strings.Builder
+
+	for _, r := range msg {
+		if nextLen := msgPart.Len() + utf8.RuneLen(r); nextLen > maxLength {
+			c.Cmd.Message(channel, msgPart.String())
+			msgPart.Reset()
+		}
+
+		msgPart.WriteRune(r)
+	}
+
+	if msgPart.Len() > 0 {
+		c.Cmd.Message(channel, msgPart.String())
+	}
 }
 
 /*

internal/handlers/irc/irc_test.go

@@ -22,14 +22,14 @@ func TestNewClientBasic(t *testing.T) {
 	}
 	client := NewClient(ircSettings, nil, logger)
 
-	expectedPing, _ := time.ParseDuration("20s")
 	expectedConfig := girc.Config{
-		Server:    "irc.batcave.intl",
-		Port:      1337,
-		Nick:      "alfred-p",
-		Name:      "Alfred Pennyworth",
-		User:      "alfred",
-		PingDelay: expectedPing,
+		Server:      "irc.batcave.intl",
+		Port:        1337,
+		Nick:        "alfred-p",
+		Name:        "Alfred Pennyworth",
+		User:        "alfred",
+		PingDelay:   20 * time.Second,
+		PingTimeout: time.Minute,
 	}
 	assert.Equal(t, client.Settings, ircSettings, "Client settings should be properly set")
 	assert.Equal(t, client.Config, expectedConfig, "girc config should be properly set")
@@ -51,16 +51,16 @@ func TestNewClientFull(t *testing.T) {
 		DebugLevel: false,
 	}
 	client := NewClient(ircSettings, nil, logger)
-	expectedPing, _ := time.ParseDuration("20s")
 	expectedConfig := girc.Config{
-		Bind:       "129.21.13.37",
-		Server:     "irc.batcave.intl",
-		ServerPass: "BatmanNeverDies!",
-		Port:       1337,
-		Nick:       "alfred-p",
-		Name:       "Alfred Pennyworth",
-		User:       "alfred",
-		PingDelay:  expectedPing,
+		Bind:        "129.21.13.37",
+		Server:      "irc.batcave.intl",
+		ServerPass:  "BatmanNeverDies!",
+		Port:        1337,
+		Nick:        "alfred-p",
+		Name:        "Alfred Pennyworth",
+		User:        "alfred",
+		PingDelay:   20 * time.Second,
+		PingTimeout: time.Minute,
 		SASL: &girc.SASLPlain{
 			User: "irc_moderators",
 			Pass: "ProtectGotham",