Discord Components & Role Selection (#5)

modules/role_selection.go

@@ -0,0 +1,90 @@
+package modules
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/yeslayla/birdbot/common"
+	"github.com/yeslayla/birdbot/core"
+	"github.com/yeslayla/birdbot/discord"
+)
+
+type roleSelectionModule struct {
+	session  *discord.Discord
+	cfg      core.RoleSelectionConfig
+	exlusive bool
+}
+
+// NewRoleSelectionComponent creates a new component
+func NewRoleSelectionComponent(discord *discord.Discord, cfg core.RoleSelectionConfig) common.Module {
+	return &roleSelectionModule{
+		session:  discord,
+		cfg:      cfg,
+		exlusive: true,
+	}
+}
+
+// Initialize setups component on discord and registers handlers
+func (c *roleSelectionModule) Initialize(birdbot common.ModuleManager) error {
+
+	roles := []*discord.Role{}
+	roleButtons := []discord.Component{}
+
+	for _, roleConfig := range c.cfg.Roles {
+
+		// Create & Validate Roles
+		role := c.session.GetRoleAndCreate(roleConfig.RoleName)
+		configColor, _ := core.HexToColor(roleConfig.Color)
+
+		if role.Color != configColor {
+			role.Color = configColor
+			role.Save()
+		}
+
+		// Create button
+		btn := c.session.NewButton(fmt.Sprint(c.cfg.Title, role.Name), role.Name)
+		btn.OnClick(func(user common.User) {
+
+			// Remove other roles if exclusive
+			if c.exlusive {
+				for _, r := range roles {
+					if r.ID == role.ID {
+						continue
+					}
+
+					if c.session.HasRole(user, r) {
+						c.session.UnassignRole(user, r)
+					}
+				}
+			}
+
+			// Toggle role
+			if c.session.HasRole(user, role) {
+				if err := c.session.UnassignRole(user, role); err != nil {
+					log.Printf("Failed to unassign role: %s", err)
+				}
+			} else if err := c.session.AssignRole(user, role); err != nil {
+				log.Printf("Failed to assign role: %s", err)
+			}
+
+		})
+
+		roles = append(roles, role)
+		roleButtons = append(roleButtons, btn)
+	}
+
+	components := []discord.Component{}
+	var actionRow *discord.ActionRow
+	for i, btn := range roleButtons {
+		if i%5 == 0 {
+			actionRow = c.session.NewActionRow()
+			components = append(components, actionRow)
+		}
+
+		actionRow.AddComponent(btn)
+	}
+
+	c.session.CreateMessageComponent(c.cfg.SelectionChannel, fmt.Sprintf("**%s**\n%s", c.cfg.Title, c.cfg.Description), components)
+
+	return nil
+}