Discord Components & Role Selection (#5)

core/color.go

@@ -0,0 +1,34 @@
+package core
+
+import (
+	"image/color"
+	"strconv"
+	"strings"
+)
+
+// IntToColor converts a hex int to a Go Color
+func IntToColor(hex int) color.Color {
+	r := uint8(hex >> 16 & 0xFF)
+	g := uint8(hex >> 8 & 0xFF)
+	b := uint8(hex & 0xFF)
+	return color.RGBA{r, g, b, 255}
+}
+
+// ColorToInt converts a Go Color to a hex int
+func ColorToInt(c color.Color) int {
+	rgba := color.RGBAModel.Convert(c).(color.RGBA)
+	hex := int(rgba.R)<<16 | int(rgba.G)<<8 | int(rgba.B)
+	return hex
+}
+
+// HexToColor coverts hex string to color
+func HexToColor(s string) (color.Color, error) {
+	s = strings.ReplaceAll(s, "#", "")
+
+	hex, err := strconv.ParseInt(s, 16, 32)
+	if err != nil {
+		return nil, err
+	}
+	return IntToColor(int(hex)), nil
+
+}

core/color_test.go

@@ -0,0 +1,75 @@
+package core
+
+import (
+	"image/color"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestIntToColor(t *testing.T) {
+
+	// green
+	hex := 0x00FF00
+	expected := color.RGBA{0, 255, 0, 255}
+	got := IntToColor(hex)
+	require.Equal(t, expected, got)
+
+	// black
+	hex = 0x000000
+	expected = color.RGBA{0, 0, 0, 255}
+	got = IntToColor(hex)
+	require.Equal(t, expected, got)
+
+	// white
+	hex = 0xFFFFFF
+	expected = color.RGBA{255, 255, 255, 255}
+	got = IntToColor(hex)
+	require.Equal(t, expected, got)
+
+}
+
+func TestColorToHex(t *testing.T) {
+
+	// magenta
+	col := color.RGBA{255, 0, 255, 255}
+	hex := 0xFF00FF
+	require.Equal(t, hex, ColorToInt(col))
+
+	// black
+	col = color.RGBA{0, 0, 0, 255}
+	hex = 0x000000
+	require.Equal(t, hex, ColorToInt(col))
+
+	// white
+	col = color.RGBA{255, 255, 255, 255}
+	hex = 0xFFFFFF
+	require.Equal(t, hex, ColorToInt(col))
+}
+
+func TestHexToColor(t *testing.T) {
+
+	// magenta
+	hex := "#ff00ff"
+	col := color.RGBA{255, 0, 255, 255}
+
+	c, err := HexToColor(hex)
+	require.Nil(t, err)
+	require.Equal(t, col, c)
+
+	// black
+	hex = "000000"
+	col = color.RGBA{0, 0, 0, 255}
+
+	c, err = HexToColor(hex)
+	require.Nil(t, err)
+	require.Equal(t, col, c)
+
+	// white
+	hex = "ffffff"
+	col = color.RGBA{255, 255, 255, 255}
+
+	c, err = HexToColor(hex)
+	require.Nil(t, err)
+	require.Equal(t, col, c)
+}

core/configuration.go

@@ -17,6 +17,21 @@ type DiscordConfig struct {
 	EventCategory       string `yaml:"event_category" env:"DISCORD_EVENT_CATEGORY"`
 	ArchiveCategory     string `yaml:"archive_category" env:"DISCORD_ARCHIVE_CATEGORY"`
 	NotificationChannel string `yaml:"notification_channel" env:"DISCORD_NOTIFICATION_CHANNEL"`
+
+	RoleSelections []RoleSelectionConfig `yaml:"role_selection"`
+}
+
+type RoleSelectionConfig struct {
+	Title       string `yaml:"title"`
+	Description string `yaml:"description"`
+
+	SelectionChannel string       `yaml:"discord_channel"`
+	Roles            []RoleConfig `yaml:"roles"`
+}
+
+type RoleConfig struct {
+	RoleName string `yaml:"name"`
+	Color    string `yaml:"color"`
 }
 
 // MastodonConfig contains mastodon specific configuration
@@ -33,6 +48,7 @@ type Features struct {
 	ManageEventChannels Feature `yaml:"manage_event_channels" env:"BIRD_EVENT_CHANNELS"`
 	AnnounceEvents      Feature `yaml:"announce_events" env:"BIRD_ANNOUNCE_EVENTS"`
 	ReccurringEvents    Feature `yaml:"recurring_events" env:"BIRD_RECURRING_EVENTS"`
+	RoleSelection       Feature `yaml:"role_selection" env:"BIRD_ROLE_SELECTION"`
 	LoadGamePlugins     Feature `yaml:"load_game_plugins" env:"BIRD_LOAD_GAME_PLUGINS"`
 }
 

core/pointers.go

@@ -4,3 +4,8 @@ package core
 func Bool(v bool) *bool {
 	return &v
 }
+
+// Int returns a pointer to an int
+func Int(v int) *int {
+	return &v
+}