feat: schedule rework

internal/commands/schedule/shared/shared.go

@@ -1,13 +1,22 @@
 package shared
 
 import (
+	"fmt"
 	"strconv"
+	"time"
 
 	"velox-bot/internal/db/services"
 
 	"github.com/bwmarrin/discordgo"
 )
 
+var scheduleDatetimeLayouts = []string{
+	"2006-01-02 15:04",
+	"2006-01-02T15:04",
+	"2006-01-02 15:04:05",
+	"01/02/2006 15:04",
+}
+
 func RespondEphemeral(s *discordgo.Session, i *discordgo.InteractionCreate, msg string) {
 	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
 		Type: discordgo.InteractionResponseChannelMessageWithSource,
@@ -18,6 +27,15 @@ func RespondEphemeral(s *discordgo.Session, i *discordgo.InteractionCreate, msg
 	})
 }
 
+func ParseScheduleDatetime(input string, loc *time.Location) (time.Time, error) {
+	for _, layout := range scheduleDatetimeLayouts {
+		if t, err := time.ParseInLocation(layout, input, loc); err == nil {
+			return t, nil
+		}
+	}
+	return time.Time{}, fmt.Errorf("invalid schedule datetime format")
+}
+
 func RequireGuild(s *discordgo.Session, i *discordgo.InteractionCreate) bool {
 	if i.GuildID == "" {
 		RespondEphemeral(s, i, "This command can only be used in a server.")
@@ -42,4 +60,3 @@ func ParseGuildID(s *discordgo.Session, i *discordgo.InteractionCreate) (int64,
 	}
 	return guildID, true
 }
-