Inject config into each command handler

command/command.go

@@ -0,0 +1,8 @@
+package command
+
+import "github.com/bwmarrin/discordgo"
+
+type CommandHandler interface {
+	Handle(s *discordgo.Session, m *discordgo.MessageCreate)
+	SetConfig(config Config)
+}

command/ping.go

@@ -4,18 +4,23 @@ import (
 	"strings"
 
 	"github.com/bwmarrin/discordgo"
-
 	log "github.com/sirupsen/logrus"
 )
 
 type (
-	PingHandler struct{}
+	PingHandler struct {
+		config Config
+	}
 )
 
 func NewPingHandler() *PingHandler {
 	return new(PingHandler)
 }
 
+func (h *PingHandler) SetConfig(config Config) {
+	h.config = config
+}
+
 func (h *PingHandler) Handle(s *discordgo.Session, m *discordgo.MessageCreate) {
 	if m.Author.ID == s.State.User.ID {
 		return

command/random.go

@@ -34,9 +34,16 @@ type (
 		N int
 	}
 
-	CoinHandler     struct{}
-	RollHandler     struct{}
-	RouletteHandler struct{}
+	CoinHandler struct {
+		config Config
+	}
+	RollHandler struct {
+		config Config
+	}
+
+	RouletteHandler struct {
+		config Config
+	}
 )
 
 var (
@@ -146,6 +153,10 @@ func NewRollHandler() *RollHandler {
 	return new(RollHandler)
 }
 
+func (h *RollHandler) SetConfig(config Config) {
+	h.config = config
+}
+
 func (h *RollHandler) Handle(s *discordgo.Session, m *discordgo.MessageCreate) {
 	var (
 		err       error
@@ -188,6 +199,10 @@ func NewRouletteHandler() *RouletteHandler {
 	return new(RouletteHandler)
 }
 
+func (h *RouletteHandler) SetConfig(config Config) {
+	h.config = config
+}
+
 func (h *RouletteHandler) Handle(s *discordgo.Session, m *discordgo.MessageCreate) {
 	if m.Author.ID == s.State.User.ID {
 		return
@@ -214,6 +229,10 @@ func NewCoinHandler() *CoinHandler {
 	return new(CoinHandler)
 }
 
+func (h *CoinHandler) SetConfig(config Config) {
+	h.config = config
+}
+
 func (h *CoinHandler) Handle(s *discordgo.Session, m *discordgo.MessageCreate) {
 	var (
 		c   Coin

command/time.go

@@ -10,13 +10,19 @@ import (
 )
 
 type (
-	TimeHandler struct{}
+	TimeHandler struct {
+		config Config
+	}
 )
 
 func NewTimeHandler() *TimeHandler {
 	return new(TimeHandler)
 }
 
+func (h *TimeHandler) SetConfig(config Config) {
+	h.config = config
+}
+
 func (h *TimeHandler) Handle(s *discordgo.Session, m *discordgo.MessageCreate) {
 	var (
 		t  time.Time