Add remind command

djpianalto.com/goff/exts/init.go

@@ -157,4 +157,13 @@ func AddCommandHandlers(h *disgoman.CommandManager) {
 		RequiredPermissions: disgoman.PermissionBanMembers,
 		Invoke:              unbanUserCommand,
 	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "remind",
+		Aliases:             nil,
+		Description:         "Remind me at a later time",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              addReminderCommand,
+	})
 }

djpianalto.com/goff/exts/tasks.go

@@ -0,0 +1,41 @@
+package exts
+
+import (
+	"djpianalto.com/goff/djpianalto.com/goff/utils"
+	"errors"
+	"github.com/dustinpianalto/disgoman"
+	"github.com/olebedev/when"
+	"github.com/olebedev/when/rules/common"
+	"github.com/olebedev/when/rules/en"
+	"strings"
+	"time"
+)
+
+func addReminderCommand(ctx disgoman.Context, args []string) {
+	w := when.New(nil)
+	w.Add(en.All...)
+	w.Add(common.All...)
+
+	text := strings.Join(args, " ")
+	r, err := w.Parse(text, time.Now())
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Error parsing time",
+			Error:   err,
+		}
+		return
+	}
+	if r == nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "You need to include a valid time",
+			Error:   errors.New("no time found"),
+		}
+		return
+	}
+	content := strings.Replace(text, r.Text, "", 1)
+	query := "INSERT INTO tasks (type, content, guild_id, channel_id, user_id, trigger_time) " +
+		"VALUES ('Reminder', $1, $2, $3, $4, $5)"
+	utils.Database.Exec(query, content, ctx.Guild.ID, ctx.Channel.ID, ctx.User.ID, r.Time)
+}