Migrate SelfGrantableRoles to new Plugin structure

backend/src/plugins/SelfGrantableRoles/commands/RoleHelpCmd.ts

@@ -0,0 +1,52 @@
+import { selfGrantableRolesCmd } from "../types";
+import { asSingleLine, trimLines } from "src/utils";
+import { getApplyingEntries } from "../util/getApplyingEntries";
+
+export const RoleHelpCmd = selfGrantableRolesCmd({
+  trigger: ["role help", "role"],
+  permission: null,
+
+  async run({ message: msg, pluginData }) {
+    const applyingEntries = getApplyingEntries(pluginData, msg);
+    if (applyingEntries.length === 0) return;
+
+    const allPrimaryAliases = [];
+    for (const entry of applyingEntries) {
+      for (const aliases of Object.values(entry.roles)) {
+        if (aliases[0]) {
+          allPrimaryAliases.push(aliases[0]);
+        }
+      }
+    }
+
+    const prefix = pluginData.guildConfig.prefix;
+    const [firstRole, secondRole] = allPrimaryAliases;
+
+    const help1 = asSingleLine(`
+      To give yourself a role, type e.g. \`${prefix}role ${firstRole}\` where **${firstRole}** is the role you want.
+      ${secondRole ? `You can also add multiple roles at once, e.g. \`${prefix}role ${firstRole} ${secondRole}\`` : ""}
+    `);
+
+    const help2 = asSingleLine(`
+      To remove a role, type \`${prefix}role remove ${firstRole}\`,
+      again replacing **${firstRole}** with the role you want to remove.
+    `);
+
+    const helpMessage = trimLines(`
+      ${help1}
+
+      ${help2}
+
+      **Roles available to you:**
+      ${allPrimaryAliases.join(", ")}
+    `);
+
+    const helpEmbed = {
+      title: "How to get roles",
+      description: helpMessage,
+      color: parseInt("42bff4", 16),
+    };
+
+    msg.channel.createMessage({ embed: helpEmbed });
+  },
+});