Reorganize and update Dockerfile

exts/P_interpreter.go

@@ -0,0 +1,84 @@
+package exts
+
+import (
+	"errors"
+	"fmt"
+	"github.com/dustinpianalto/disgoman"
+	"strings"
+)
+
+func pCommand(ctx disgoman.Context, args []string) {
+	input := strings.Join(args, "")
+	const LENGTH = 1999
+	var mem [LENGTH]byte
+	pointer := 0
+	l := 0
+	for i := 0; i < len(input); i++ {
+		if input[i] == 'L' {
+			if pointer == 0 {
+				pointer = LENGTH - 1
+			} else {
+				pointer--
+			}
+		} else if input[i] == 'R' {
+			if pointer == LENGTH-1 {
+				pointer = 0
+			} else {
+				pointer++
+			}
+		} else if input[i] == '+' {
+			mem[pointer]++
+		} else if input[i] == '-' {
+			mem[pointer]--
+		} else if input[i] == '(' {
+			if mem[pointer] == 0 {
+				i++
+				for l > 0 || input[i] != ')' {
+					if input[i] == '(' {
+						l++
+					}
+					if input[i] == ')' {
+						l--
+					}
+					i++
+				}
+			}
+		} else if input[i] == ')' {
+			if mem[pointer] != 0 {
+				i--
+				for l > 0 || input[i] != '(' {
+					if input[i] == ')' {
+						l++
+					}
+					if input[i] == '(' {
+						l--
+					}
+					i--
+				}
+			}
+		} else {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: fmt.Sprintf("Invalid Character: %v", input[i]),
+				Error:   errors.New("invalid character"),
+			}
+			return
+		}
+	}
+	var out []byte
+	for _, i := range mem {
+		if i != 0 {
+			out = append(out, i)
+		}
+	}
+	_, err := ctx.Send(string(out))
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Couldn't send results",
+			Error:   err,
+		}
+		return
+	}
+	return
+}

exts/fun.go

@@ -0,0 +1,84 @@
+package exts
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/dustinpianalto/disgoman"
+	"github.com/dustinpianalto/rpnparse"
+)
+
+func interleave(ctx disgoman.Context, args []string) {
+	if len(args) == 2 {
+		x, err := strconv.ParseInt(args[0], 10, 64)
+		if err != nil {
+			return
+		}
+		y, err := strconv.ParseInt(args[1], 10, 64)
+		if err != nil {
+			return
+		}
+		var z = int64(0)
+		for i := 0; i < 64; i++ {
+			x_masked_i := x & (1 << i)
+			y_masked_i := y & (1 << i)
+
+			z |= x_masked_i << i
+			z |= y_masked_i << (i + 1)
+		}
+		ctx.Send(fmt.Sprintf("%v", z))
+	}
+}
+
+func deinterleave(ctx disgoman.Context, args []string) {
+	if len(args) == 1 {
+		z, err := strconv.ParseInt(args[0], 10, 64)
+		if err != nil {
+			return
+		}
+		var x = int64(0)
+		var y = int64(0)
+		i := 0
+		for z > 0 {
+			x |= (z & 1) << i
+			z >>= 1
+			y |= (z & 1) << i
+			z >>= 1
+			i++
+		}
+		ctx.Send(fmt.Sprintf("(%v, %v)", x, y))
+	}
+}
+
+func generateRPNCommand(ctx disgoman.Context, args []string) {
+	rpn, err := rpnparse.GenerateRPN(args)
+	if err != nil {
+		ctx.Send(err.Error())
+		return
+	}
+	ctx.Send(rpn)
+}
+
+func parseRPNCommand(ctx disgoman.Context, args []string) {
+	res, err := rpnparse.ParseRPN(args)
+	if err != nil {
+		ctx.Send(err.Error())
+		return
+	}
+	ctx.Send(fmt.Sprintf("The result is: %v", res))
+}
+
+func solveCommand(ctx disgoman.Context, args []string) {
+	rpn, err := rpnparse.GenerateRPN(args)
+	if err != nil {
+		ctx.Send(err.Error())
+		return
+	}
+	res, err := rpnparse.ParseRPN(strings.Split(rpn, " "))
+	if err != nil {
+		ctx.Send(err.Error())
+		return
+	}
+	ctx.Send(fmt.Sprintf("The result is: %v", res))
+}

exts/guild.go

@@ -0,0 +1,290 @@
+package exts
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/dustinpianalto/disgoman"
+	"github.com/dustinpianalto/goff/utils"
+)
+
+// Guild management commands
+
+func loggingChannel(ctx disgoman.Context, args []string) {
+	var idString string
+	if len(args) > 0 {
+		idString = args[0]
+		if strings.HasPrefix(idString, "<#") && strings.HasSuffix(idString, ">") {
+			idString = idString[2 : len(idString)-1]
+		}
+	} else {
+		idString = ""
+	}
+	fmt.Println(idString)
+	if idString == "" {
+		_, err := utils.Database.Exec("UPDATE guilds SET logging_channel='' WHERE id=$1;", ctx.Guild.ID)
+		if err != nil {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: "Error Updating Database",
+				Error:   err,
+			}
+			return
+		}
+		_, _ = ctx.Send("Logging Channel Updated.")
+		return
+	}
+	channel, err := ctx.Session.State.Channel(idString)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Can't find that channel.",
+			Error:   err,
+		}
+		return
+	}
+	if channel.GuildID != ctx.Guild.ID {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "The channel passed is not in this guild.",
+			Error:   err,
+		}
+		return
+	}
+	_, err = utils.Database.Exec("UPDATE guilds SET logging_channel=$1 WHERE id=$2;", idString, ctx.Guild.ID)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Error Updating Database",
+			Error:   err,
+		}
+		return
+	}
+	_, _ = ctx.Send("Logging Channel Updated.")
+}
+
+func getLoggingChannel(ctx disgoman.Context, _ []string) {
+	var channelID string
+	row := utils.Database.QueryRow("SELECT logging_channel FROM guilds where id=$1", ctx.Guild.ID)
+	err := row.Scan(&channelID)
+	if err != nil {
+		fmt.Println(err)
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Error getting data from the database.",
+			Error:   err,
+		}
+		return
+	}
+	if channelID == "" {
+		_, _ = ctx.Send("The logging channel is not set.")
+		return
+	}
+	channel, err := ctx.Session.State.GuildChannel(ctx.Guild.ID, channelID)
+	if err != nil {
+		fmt.Println(err)
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "I got the channel ID but it does not appear to be a valid channel in this guild.",
+			Error:   err,
+		}
+		return
+	}
+	_, _ = ctx.Send(fmt.Sprintf("The logging channel is currently %s", channel.Mention()))
+	return
+}
+
+func welcomeChannel(ctx disgoman.Context, args []string) {
+	var idString string
+	if len(args) > 0 {
+		idString = args[0]
+		if strings.HasPrefix(idString, "<#") && strings.HasSuffix(idString, ">") {
+			idString = idString[2 : len(idString)-1]
+		}
+	} else {
+		idString = ""
+	}
+	fmt.Println(idString)
+	if idString == "" {
+		_, err := utils.Database.Exec("UPDATE guilds SET welcome_channel='' WHERE id=$1;", ctx.Guild.ID)
+		if err != nil {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: "Error Updating Database",
+				Error:   err,
+			}
+			return
+		}
+		_, _ = ctx.Send("Welcomer Disabled.")
+		return
+	}
+	channel, err := ctx.Session.State.Channel(idString)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Can't find that channel.",
+			Error:   err,
+		}
+		return
+	}
+	if channel.GuildID != ctx.Guild.ID {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "The channel passed is not in this guild.",
+			Error:   err,
+		}
+		return
+	}
+	_, err = utils.Database.Exec("UPDATE guilds SET welcome_channel=$1 WHERE id=$2;", idString, ctx.Guild.ID)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Error Updating Database",
+			Error:   err,
+		}
+		return
+	}
+	_, _ = ctx.Send("Welcome Channel Updated.")
+	return
+}
+
+func getWelcomeChannel(ctx disgoman.Context, _ []string) {
+	var channelID string
+	row := utils.Database.QueryRow("SELECT welcome_channel FROM guilds where id=$1", ctx.Guild.ID)
+	err := row.Scan(&channelID)
+	if err != nil {
+		fmt.Println(err)
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Error getting data from the database.",
+			Error:   err,
+		}
+		return
+	}
+	if channelID == "" {
+		_, _ = ctx.Send("The welcomer is disabled.")
+		return
+	}
+	channel, err := ctx.Session.State.GuildChannel(ctx.Guild.ID, channelID)
+	if err != nil {
+		fmt.Println(err)
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "I got the channel ID but it does not appear to be a valid channel in this guild.",
+			Error:   err,
+		}
+		return
+	}
+	_, _ = ctx.Send(fmt.Sprintf("The welcome channel is currently %s", channel.Mention()))
+}
+
+func addGuildCommand(ctx disgoman.Context, args []string) {
+	var guildID string
+	row := utils.Database.QueryRow("SELECT id FROM guilds where id=$1", ctx.Guild.ID)
+	err := row.Scan(&guildID)
+	if err == nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "This guild is already in my database",
+			Error:   err,
+		}
+		return
+	}
+
+	_, err = utils.Database.Query("INSERT INTO guilds (id) VALUES ($1)", ctx.Guild.ID)
+	if err != nil {
+		fmt.Println(err)
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "There was a problem inserting this guild into the database",
+			Error:   err,
+		}
+		return
+	}
+	_, _ = ctx.Send("This guild has been added.")
+
+}
+
+func puzzleChannel(ctx disgoman.Context, args []string) {
+	var idString string
+	if len(args) > 0 {
+		idString = args[0]
+		if strings.HasPrefix(idString, "<#") && strings.HasSuffix(idString, ">") {
+			idString = idString[2 : len(idString)-1]
+		}
+	} else {
+		idString = ""
+	}
+	fmt.Println(idString)
+	if idString == "" {
+		_, err := utils.Database.Exec("UPDATE guilds SET puzzle_channel='' WHERE id=$1;", ctx.Guild.ID)
+		if err != nil {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: "Error Updating Database",
+				Error:   err,
+			}
+			return
+		}
+		_, _ = ctx.Send("Puzzle Channel Updated.")
+		return
+	}
+	channel, err := ctx.Session.State.Channel(idString)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Can't find that channel.",
+			Error:   err,
+		}
+		return
+	}
+	if channel.GuildID != ctx.Guild.ID {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "The channel passed is not in this guild.",
+			Error:   err,
+		}
+		return
+	}
+	_, err = utils.Database.Exec("UPDATE guilds SET puzzle_channel=$1 WHERE id=$2;", idString, ctx.Guild.ID)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Error Updating Database",
+			Error:   err,
+		}
+		return
+	}
+	_, _ = ctx.Send("Puzzle Channel Updated.")
+}
+
+func getPuzzleChannel(ctx disgoman.Context, _ []string) {
+	var channelID string
+	row := utils.Database.QueryRow("SELECT puzzle_channel FROM guilds where id=$1", ctx.Guild.ID)
+	err := row.Scan(&channelID)
+	if err != nil {
+		fmt.Println(err)
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Error getting data from the database.",
+			Error:   err,
+		}
+		return
+	}
+	if channelID == "" {
+		_, _ = ctx.Send("The puzzle channel is not set.")
+		return
+	}
+	channel, err := ctx.Session.State.GuildChannel(ctx.Guild.ID, channelID)
+	if err != nil {
+		fmt.Println(err)
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "I got the channel ID but it does not appear to be a valid channel in this guild.",
+			Error:   err,
+		}
+		return
+	}
+	_, _ = ctx.Send(fmt.Sprintf("The puzzle channel is currently %s", channel.Mention()))
+	return
+}

exts/init.go

@@ -0,0 +1,234 @@
+package exts
+
+import (
+	"github.com/dustinpianalto/disgoman"
+)
+
+func AddCommandHandlers(h *disgoman.CommandManager) {
+	// Arguments:
+	// name - command name - string
+	// desc - command description - string
+	// owneronly - only allow owners to run - bool
+	// hidden - hide command from non-owners - bool
+	// perms - permissisions required - anpan.Permission (int)
+	// type - command type, sets where the command is available
+	// run - function to run - func(anpan.Context, []string) / CommandRunFunc
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "ping",
+		Aliases:             nil,
+		Description:         "Check the bot's ping",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              pingCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "say",
+		Aliases:             nil,
+		Description:         "Repeat a message",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		SanitizeEveryone:    true,
+		Invoke:              sayCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "user",
+		Aliases:             nil,
+		Description:         "Get user info",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              userCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "git",
+		Aliases:             nil,
+		Description:         "Show my github link",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              gitCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "tag",
+		Aliases:             nil,
+		Description:         "Get a tag",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              tagCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "addtag",
+		Aliases:             nil,
+		Description:         "Add a tag",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		SanitizeEveryone:    true,
+		Invoke:              addTagCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "invite",
+		Aliases:             nil,
+		Description:         "Get the invite link for this bot or others",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              inviteCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "P",
+		Aliases:             nil,
+		Description:         "Interpret a P\" program and return the results",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              pCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "set-logging-channel",
+		Aliases:             []string{"slc"},
+		Description:         "Set the channel logging messages will be sent to.",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: disgoman.PermissionManageServer,
+		Invoke:              loggingChannel,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "get-logging-channel",
+		Aliases:             []string{"glc"},
+		Description:         "Gets the channel logging messages will be sent to.",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: disgoman.PermissionManageServer,
+		Invoke:              getLoggingChannel,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "set-welcome-channel",
+		Aliases:             []string{"swc"},
+		Description:         "Set the channel welcome messages will be sent to.",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: disgoman.PermissionManageServer,
+		Invoke:              welcomeChannel,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "get-welcome-channel",
+		Aliases:             []string{"gwc"},
+		Description:         "Gets the channel welcome messages will be sent to.",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: disgoman.PermissionManageServer,
+		Invoke:              getWelcomeChannel,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "kick",
+		Aliases:             nil,
+		Description:         "Kicks the given user with the given reason",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: disgoman.PermissionKickMembers,
+		Invoke:              kickUserCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "addGuild",
+		Aliases:             nil,
+		Description:         "Adds the current guild to the database",
+		OwnerOnly:           true,
+		Hidden:              false,
+		RequiredPermissions: disgoman.PermissionManageServer,
+		Invoke:              addGuildCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "ban",
+		Aliases:             []string{"ban-no-delete"},
+		Description:         "Bans the given user with the given reason",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: disgoman.PermissionBanMembers,
+		Invoke:              banUserCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "unban",
+		Aliases:             nil,
+		Description:         "Unbans the given user",
+		OwnerOnly:           false,
+		Hidden:              false,
+		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,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "encode",
+		Aliases:             []string{"e"},
+		Description:         "Encode 2 numbers",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              interleave,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "decode",
+		Aliases:             []string{"d"},
+		Description:         "Decode 1 number into 2",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              deinterleave,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "set-puzzle-channel",
+		Aliases:             []string{"spc"},
+		Description:         "Set the channel puzzle messages will be sent to.",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: disgoman.PermissionManageServer,
+		Invoke:              puzzleChannel,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "get-puzzle-channel",
+		Aliases:             []string{"gpc"},
+		Description:         "Gets the channel puzzle messages will be sent to.",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: disgoman.PermissionManageServer,
+		Invoke:              getPuzzleChannel,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "RPN",
+		Aliases:             []string{"rpn"},
+		Description:         "Convert infix to rpn",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              generateRPNCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "ParseRPN",
+		Aliases:             []string{"PRPN", "prpn"},
+		Description:         "Parse RPN string and return the result",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              parseRPNCommand,
+	})
+	_ = h.AddCommand(&disgoman.Command{
+		Name:                "solve",
+		Aliases:             []string{"math", "infix"},
+		Description:         "Solve infix equation and return the result",
+		OwnerOnly:           false,
+		Hidden:              false,
+		RequiredPermissions: 0,
+		Invoke:              solveCommand,
+	})
+}

exts/tags.go

@@ -0,0 +1,137 @@
+package exts
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"strings"
+
+	"github.com/dustinpianalto/disgoman"
+	"github.com/dustinpianalto/goff/utils"
+	"github.com/kballard/go-shellquote"
+)
+
+func addTagCommand(ctx disgoman.Context, input []string) {
+	if len(input) >= 1 {
+		args, err := shellquote.Split(strings.Join(input, " "))
+		if err != nil {
+			if strings.Contains(err.Error(), "Unterminated") {
+				args = strings.SplitN(strings.Join(args, " "), " ", 2)
+			} else {
+				ctx.ErrorChannel <- disgoman.CommandError{
+					Context: ctx,
+					Message: "",
+					Error:   err,
+				}
+				return
+			}
+		}
+		queryString := `SELECT tags.id, tags.tag, tags.content from tags
+		WHERE tags.guild_id = $1
+		AND tags.tag = $2;`
+		row := utils.Database.QueryRow(queryString, ctx.Guild.ID, args[0])
+		var dest string
+		if err := row.Scan(&dest); err != nil {
+			tag := args[0]
+			if tag == "" {
+				ctx.ErrorChannel <- disgoman.CommandError{
+					Context: ctx,
+					Message: "That is not a valid tag name",
+					Error:   err,
+				}
+				return
+			}
+			if len(args) <= 1 {
+				ctx.ErrorChannel <- disgoman.CommandError{
+					Context: ctx,
+					Message: "I got a name but no value",
+					Error:   err,
+				}
+				return
+			}
+			value := args[1]
+			if value == "" {
+				ctx.ErrorChannel <- disgoman.CommandError{
+					Context: ctx,
+					Message: "You have to include a content for the tag",
+					Error:   err,
+				}
+				return
+			}
+			queryString = `INSERT INTO tags (tag, content, creator, guild_id) VALUES ($1, $2, $3, $4);`
+			_, err := utils.Database.Exec(queryString, tag, value, ctx.Message.Author.ID, ctx.Guild.ID)
+			if err != nil {
+				ctx.Send(err.Error())
+				ctx.ErrorChannel <- disgoman.CommandError{
+					Context: ctx,
+					Message: "",
+					Error:   err,
+				}
+				return
+			}
+			ctx.Send(fmt.Sprintf("Tag %v added successfully.", tag))
+			return
+		} else {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: "That tag already exists",
+				Error:   err,
+			}
+			return
+		}
+	} else {
+		ctx.Send("You need to tell me what tag you want to add...")
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "You need to tell me what tag you want to add...",
+			Error:   errors.New("nothing to do"),
+		}
+		return
+	}
+}
+
+func tagCommand(ctx disgoman.Context, args []string) {
+	if len(args) >= 1 {
+		tagString := strings.Join(args, " ")
+		queryString := `SELECT tags.id, tags.tag, tags.content from tags
+		WHERE tags.guild_id = $1;`
+		rows, err := utils.Database.Query(queryString, ctx.Guild.ID)
+		if err != nil {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: "",
+				Error:   err,
+			}
+			return
+		} else {
+			for rows.Next() {
+				var (
+					id      int
+					tag     string
+					content string
+				)
+				if err := rows.Scan(&id, &tag, &content); err != nil {
+					log.Fatal(err)
+				}
+				if tagString == tag {
+					ctx.Send(content)
+					return
+				}
+			}
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: fmt.Sprintf("Tag %v not found", args[0]),
+				Error:   err,
+			}
+			return
+		}
+	} else {
+		ctx.Send("I need a tag to fetch...")
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "I need a tag to fetch...",
+			Error:   errors.New("nothing to do"),
+		}
+		return
+	}
+}

exts/tasks.go

@@ -0,0 +1,56 @@
+package exts
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/dustinpianalto/disgoman"
+	"github.com/dustinpianalto/goff/utils"
+	"github.com/olebedev/when"
+	"github.com/olebedev/when/rules/common"
+	"github.com/olebedev/when/rules/en"
+)
+
+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)"
+	_, err = utils.Database.Exec(query, content, ctx.Guild.ID, ctx.Channel.ID, ctx.User.ID, r.Time)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Error adding task to database",
+			Error:   err,
+		}
+		return
+	}
+	_ = ctx.Session.MessageReactionAdd(ctx.Channel.ID, ctx.Message.ID, "✅")
+	_, _ = ctx.Session.ChannelMessageSend(
+		ctx.Channel.ID,
+		fmt.Sprintf("I will remind you at %v, with `%v`", r.Time.Format(time.RFC1123), content),
+	)
+}

exts/user_management.go

@@ -0,0 +1,256 @@
+package exts
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/bwmarrin/discordgo"
+	"github.com/dustinpianalto/disgoman"
+	"github.com/dustinpianalto/goff/utils"
+)
+
+func kickUserCommand(ctx disgoman.Context, args []string) {
+	var member *discordgo.Member
+	var err error
+	if len(ctx.Message.Mentions) > 0 {
+		member, err = ctx.Session.GuildMember(ctx.Guild.ID, ctx.Message.Mentions[0].ID)
+	} else if len(args) >= 1 {
+		idString := args[0]
+		if strings.HasPrefix(idString, "<@!") && strings.HasSuffix(idString, ">") {
+			idString = idString[3 : len(idString)-1]
+		}
+		member, err = ctx.Session.GuildMember(ctx.Guild.ID, idString)
+	} else {
+		err = errors.New("that is not a valid id")
+	}
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Couldn't get that member",
+			Error:   err,
+		}
+		return
+	}
+
+	if higher, _ := disgoman.HasHigherRole(ctx.Session, ctx.Guild.ID, ctx.Message.Author.ID, member.User.ID); !higher {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "You must have a higher role than the person you are trying to kick",
+			Error:   errors.New("need higher role"),
+		}
+		return
+	}
+
+	if higher, _ := disgoman.HasHigherRole(ctx.Session, ctx.Guild.ID, ctx.Session.State.User.ID, member.User.ID); !higher {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "I don't have a high enough role to kick that person",
+			Error:   errors.New("need higher role"),
+		}
+		return
+	}
+
+	var reason string
+	if len(args) > 1 {
+		reason = strings.Join(args[1:], " ")
+	} else {
+		reason = "No Reason Given"
+	}
+	auditReason := fmt.Sprintf("%v#%v: %v", ctx.User.Username, ctx.User.Discriminator, reason)
+	err = ctx.Session.GuildMemberDeleteWithReason(ctx.Guild.ID, member.User.ID, auditReason)
+
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: fmt.Sprintf("Something went wrong kicking %v", member.User.Username),
+			Error:   err,
+		}
+		return
+	}
+
+	event := &utils.LogEvent{
+		Embed: discordgo.MessageEmbed{
+			Title: "User Kicked",
+			Description: fmt.Sprintf(
+				"User %v#%v was kicked by %v.\nReason: %v",
+				member.User.Username,
+				member.User.Discriminator,
+				ctx.Message.Author.Username,
+				reason),
+			Timestamp: time.Now().Format("2006-01-02 15:04:05"),
+			Color:     0xff8c00,
+		},
+		GuildID: ctx.Guild.ID,
+		Session: ctx.Session,
+	}
+	utils.LoggingChannel <- event
+	_, _ = ctx.Send(fmt.Sprintf("User %v#%v has been kicked.", member.User.Username, member.User.Discriminator))
+}
+
+func banUserCommand(ctx disgoman.Context, args []string) {
+	var user *discordgo.User
+	var err error
+	if len(ctx.Message.Mentions) > 0 {
+		user, err = ctx.Session.User(ctx.Message.Mentions[0].ID)
+	} else if len(args) >= 1 {
+		idString := args[0]
+		if strings.HasPrefix(idString, "<@!") && strings.HasSuffix(idString, ">") {
+			idString = idString[3 : len(idString)-1]
+		}
+		user, err = ctx.Session.User(idString)
+	} else {
+		err = errors.New("that is not a valid id")
+	}
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Couldn't get that user",
+			Error:   err,
+		}
+		return
+	}
+
+	if higher, err := disgoman.HasHigherRole(ctx.Session, ctx.Guild.ID, ctx.Message.Author.ID, user.ID); err != nil {
+		if err.Error() == "can't find caller member" {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: "Who are you?",
+				Error:   err,
+			}
+			return
+		}
+	} else if !higher {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "You must have a higher role than the person you are trying to ban",
+			Error:   errors.New("need higher role"),
+		}
+		return
+	}
+
+	if higher, err := disgoman.HasHigherRole(ctx.Session, ctx.Guild.ID, ctx.Session.State.User.ID, user.ID); err != nil {
+		if err.Error() == "can't find caller member" {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: "Who am I?",
+				Error:   err,
+			}
+			return
+		}
+	} else if !higher {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "I don't have a high enough role to ban that person",
+			Error:   errors.New("need higher role"),
+		}
+		return
+	}
+
+	var reason string
+	if len(args) > 1 {
+		reason = strings.Join(args[1:], " ")
+	} else {
+		reason = "No Reason Given"
+	}
+	auditReason := fmt.Sprintf("%v#%v: %v", ctx.User.Username, ctx.User.Discriminator, reason)
+	days := 7
+	if ctx.Invoked == "ban-no-delete" {
+		days = 0
+	}
+	err = ctx.Session.GuildBanCreateWithReason(ctx.Guild.ID, user.ID, auditReason, days)
+
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: fmt.Sprintf("Something went wrong banning %v", user.Username),
+			Error:   err,
+		}
+		return
+	}
+
+	event := &utils.LogEvent{
+		Embed: discordgo.MessageEmbed{
+			Title: "User Banned",
+			Description: fmt.Sprintf(
+				"User %v#%v was banned by %v.\nReason: %v",
+				user.Username,
+				user.Discriminator,
+				ctx.Message.Author.Username,
+				reason),
+			Timestamp: time.Now().Format("2006-01-02 15:04:05"),
+			Color:     0xff0000,
+		},
+		GuildID: ctx.Guild.ID,
+		Session: ctx.Session,
+	}
+	utils.LoggingChannel <- event
+	_, _ = ctx.Send(fmt.Sprintf("User %v#%v has been banned.", user.Username, user.Discriminator))
+}
+
+func unbanUserCommand(ctx disgoman.Context, args []string) {
+	var user *discordgo.User
+	var err error
+	if len(ctx.Message.Mentions) > 0 {
+		user, err = ctx.Session.User(ctx.Message.Mentions[0].ID)
+	} else if len(args) >= 1 {
+		idString := args[0]
+		if strings.HasPrefix(idString, "<@!") && strings.HasSuffix(idString, ">") {
+			idString = idString[3 : len(idString)-1]
+		}
+		user, err = ctx.Session.User(idString)
+	} else {
+		err = errors.New("that is not a valid id")
+	}
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Couldn't get that user",
+			Error:   err,
+		}
+		return
+	}
+
+	bans, err := ctx.Session.GuildBans(ctx.Guild.ID)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Error processing current bans",
+			Error:   err,
+		}
+		return
+	}
+	for _, ban := range bans {
+		if ban.User.ID == user.ID {
+			err = ctx.Session.GuildBanDelete(ctx.Guild.ID, user.ID)
+			if err != nil {
+				ctx.ErrorChannel <- disgoman.CommandError{
+					Context: ctx,
+					Message: fmt.Sprintf("Something went wrong unbanning %v", user.Username),
+					Error:   err,
+				}
+				return
+			}
+			event := &utils.LogEvent{
+				Embed: discordgo.MessageEmbed{
+					Title: "User Banned",
+					Description: fmt.Sprintf(
+						"User %v#%v was unbanned by %v.\nOrignal Ban Reason: %v",
+						user.Username,
+						user.Discriminator,
+						ctx.Message.Author.Username,
+						ban.Reason),
+					Timestamp: time.Now().Format("2006-01-02 15:04:05"),
+					Color:     0x00ff00,
+				},
+				GuildID: ctx.Guild.ID,
+				Session: ctx.Session,
+			}
+			utils.LoggingChannel <- event
+			_, _ = ctx.Send(fmt.Sprintf("User %v#%v has been unbanned.", user.Username, user.Discriminator))
+			return
+		}
+	}
+	_, _ = ctx.Send(fmt.Sprintf("%v#%v is not banned in this guild.", user.Username, user.Discriminator))
+}

exts/utils.go

@@ -0,0 +1,169 @@
+package exts
+
+import (
+	"fmt"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/bwmarrin/discordgo"
+	"github.com/dustinpianalto/disgoman"
+	"github.com/dustinpianalto/goff/utils"
+)
+
+func pingCommand(ctx disgoman.Context, _ []string) {
+	timeBefore := time.Now()
+	msg, _ := ctx.Send("Pong!")
+	took := time.Now().Sub(timeBefore)
+	_, err := ctx.Session.ChannelMessageEdit(ctx.Message.ChannelID, msg.ID, fmt.Sprintf("Pong!\nPing Took **%s**", took.String()))
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Ping Failed",
+			Error:   err,
+		}
+	}
+}
+
+func inviteCommand(ctx disgoman.Context, args []string) {
+	var ids []string
+	if len(args) == 0 {
+		ids = []string{ctx.Session.State.User.ID}
+	} else {
+		for _, id := range args {
+			ids = append(ids, id)
+		}
+	}
+	for _, id := range ids {
+		url := fmt.Sprintf("<https://discordapp.com/oauth2/authorize?client_id=%v&scope=bot>", id)
+		_, err := ctx.Send(url)
+		if err != nil {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: "Couldn't send the invite link.",
+				Error:   err,
+			}
+		}
+	}
+}
+
+func gitCommand(ctx disgoman.Context, _ []string) {
+	embed := &discordgo.MessageEmbed{
+		Title: "Hi there, My code is on Github",
+		Color: 0,
+		URL:   "https://github.com/dustinpianalto/Goff",
+	}
+	_, err := ctx.Session.ChannelMessageSendEmbed(ctx.Channel.ID, embed)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Git failed",
+			Error:   err,
+		}
+	}
+}
+
+func sayCommand(ctx disgoman.Context, args []string) {
+	resp := strings.Join(args, " ")
+	resp = strings.ReplaceAll(resp, "@everyone", "@\ufff0everyone")
+	resp = strings.ReplaceAll(resp, "@here", "@\ufff0here")
+	_, err := ctx.Session.ChannelMessageSend(ctx.Message.ChannelID, resp)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Say Failed",
+			Error:   err,
+		}
+	}
+}
+
+func userCommand(ctx disgoman.Context, args []string) {
+	var member *discordgo.Member
+	if len(args) == 0 {
+		member, _ = ctx.Session.GuildMember(ctx.Guild.ID, ctx.Message.Author.ID)
+	} else {
+		var err error
+		if len(ctx.Message.Mentions) > 0 {
+			member, err = ctx.Session.GuildMember(ctx.Guild.ID, ctx.Message.Mentions[0].ID)
+		} else {
+			member, err = ctx.Session.GuildMember(ctx.Guild.ID, args[0])
+		}
+		if err != nil {
+			ctx.ErrorChannel <- disgoman.CommandError{
+				Context: ctx,
+				Message: "Couldn't get that member",
+				Error:   err,
+			}
+			return
+		}
+	}
+	thumb := &discordgo.MessageEmbedThumbnail{
+		URL: member.User.AvatarURL(""),
+	}
+
+	var botString string
+	if member.User.Bot {
+		botString = "BOT"
+	} else {
+		botString = ""
+	}
+
+	var roles []*discordgo.Role
+	for _, roleID := range member.Roles {
+		role, _ := ctx.Session.State.Role(ctx.Guild.ID, roleID)
+		roles = append(roles, role)
+	}
+	sort.Slice(roles, func(i, j int) bool { return roles[i].Position > roles[j].Position })
+	var roleMentions []string
+	for _, role := range roles {
+		roleMentions = append(roleMentions, role.Mention())
+	}
+	var rolesString string
+	if len(roleMentions) > 0 {
+		rolesString = strings.Join(roleMentions, " ")
+	} else {
+		rolesString = "None"
+	}
+
+	rolesField := &discordgo.MessageEmbedField{
+		Name:   "Roles:",
+		Value:  rolesString,
+		Inline: false,
+	}
+
+	guildJoinTime, _ := member.JoinedAt.Parse()
+	guildJoinedField := &discordgo.MessageEmbedField{
+		Name:   "Joined Guild:",
+		Value:  utils.ParseDateString(guildJoinTime),
+		Inline: false,
+	}
+
+	int64ID, _ := strconv.ParseInt(member.User.ID, 10, 64)
+	s := utils.ParseSnowflake(int64ID)
+	discordJoinedField := &discordgo.MessageEmbedField{
+		Name:   "Joined Discord:",
+		Value:  utils.ParseDateString(s.CreationTime),
+		Inline: false,
+	}
+
+	embed := &discordgo.MessageEmbed{
+		Title:       fmt.Sprintf("%v#%v  %v", member.User.Username, member.User.Discriminator, botString),
+		Description: fmt.Sprintf("**%v** (%v)", member.Nick, member.User.ID),
+		Color:       ctx.Session.State.UserColor(member.User.ID, ctx.Channel.ID),
+		Thumbnail:   thumb,
+		Fields: []*discordgo.MessageEmbedField{
+			guildJoinedField,
+			discordJoinedField,
+			rolesField,
+		},
+	}
+	_, err := ctx.Session.ChannelMessageSendEmbed(ctx.Channel.ID, embed)
+	if err != nil {
+		ctx.ErrorChannel <- disgoman.CommandError{
+			Context: ctx,
+			Message: "Couldn't send the user embed",
+			Error:   err,
+		}
+	}
+}