Roller v1 done

exts/dice_commands.go

@@ -0,0 +1,52 @@
+package exts
+
+import (
+	"fmt"
+	"log"
+	"regexp"
+	"strings"
+
+	"github.com/bwmarrin/discordgo"
+	"github.com/dustinpianalto/dice/pkg/roller"
+)
+
+func DiceCommand(session *discordgo.Session, m *discordgo.MessageCreate) {
+	if m.Author.Bot {
+		return
+	}
+
+	content := strings.ToLower(m.Content)
+	r := regexp.MustCompile(`[^ "]+|"([^"]*)"`)
+	parts := r.FindAllString(content, -1)
+	var outString string
+	for _, part := range parts {
+		var label string
+		var die string
+		if strings.Contains(part, ":") {
+			ps := strings.Split(part, ":")
+			if len(ps) > 1 {
+				label = strings.Join(ps[1:], ":")
+			}
+			die = ps[0]
+		} else {
+			die = part
+		}
+		i, s, err := roller.ParseRollString(die)
+		if label != "" {
+			outString += label + ": "
+		}
+		if err != nil && i != -2 {
+			return
+		} else if err != nil {
+			outString = err.Error()
+			break
+		}
+		outString += fmt.Sprintf("`%d` %s\n", i, s)
+	}
+
+	channel, err := session.Channel(m.ChannelID)
+	if err != nil {
+		log.Printf("Could not find channel %s\n", m.ChannelID)
+	}
+	session.ChannelMessageSend(channel.ID, outString)
+}