Implement in progress roleId Info command

backend/src/plugins/Utility/commands/InfoCmd.ts

@@ -9,9 +9,11 @@ import { canReadChannel } from "../../../utils/canReadChannel";
 import { getMessageInfoEmbed } from "../functions/getMessageInfoEmbed";
 import { getChannelInfoEmbed } from "../functions/getChannelInfoEmbed";
 import { getServerInfoEmbed } from "../functions/getServerInfoEmbed";
+import { getRoleInfoEmbed } from "../functions/getRoleInfoEmbed";
 import { getChannelId } from "knub/dist/utils";
 import { getGuildPreview } from "../functions/getGuildPreview";
 import { getSnowflakeInfoEmbed } from "../functions/getSnowflakeInfoEmbed";
+import { getRoleId } from "knub/dist/utils";
 
 export const InfoCmd = utilityCmd({
   trigger: "info",
@@ -99,14 +101,27 @@ export const InfoCmd = utilityCmd({
       }
     }
 
-    // 7. Arbitrary ID
+    // 7. Role ID
+    const roleId = getRoleId(value);
+    const role = roleId && pluginData.guild.roles.get(roleId);
+    if (role) {
+      const embed = await getRoleInfoEmbed(pluginData, roleId, message.author.id);
+      if (embed) {
+        message.channel.createMessage({ embed });
+	return;
+      }
+    }
+
+    // TODO 8. Emoji ID
+
+    // 9. Arbitrary ID
     if (isValidSnowflake(value)) {
       const embed = await getSnowflakeInfoEmbed(pluginData, value, true, message.author.id);
       message.channel.createMessage({ embed });
       return;
     }
 
-    // 7. No can do
+    // 10. No can do
     sendErrorMessage(pluginData, message.channel, "Could not find anything with that value");
   },
 });

backend/src/plugins/Utility/functions/getRoleInfoEmbed.ts

@@ -0,0 +1,58 @@
+import { PluginData } from "knub";
+import { UtilityPluginType } from "../types";
+import { Constants, EmbedOptions } from "eris";
+import moment from "moment-timezone";
+import humanizeDuration from "humanize-duration";
+import { formatNumber, preEmbedPadding, trimLines } from "../../../utils";
+import { TimeAndDatePlugin } from "../../TimeAndDate/TimeAndDatePlugin";
+
+export async function getRoleInfoEmbed(
+  pluginData: PluginData<UtilityPluginType>,
+  roleId: string,
+  requestMemberId?: string,
+): Promise<EmbedOptions | null> {
+  const role = pluginData.guild.roles.get(roleId);
+  if (!role) {
+    return null;
+  }
+  
+  const embed: EmbedOptions = {
+    fields: []
+  }
+  
+  // TODO Perhaps use a '@' as icon?
+  // embed.author = {
+  //   name: role.name,
+  //   icon_url: icon,
+  // };
+
+  const createdAt = moment.utc(role.createdAt, "x");
+  const timeAndDate = pluginData.getPlugin(TimeAndDatePlugin);
+  const tzCreatedAt = requestMemberId
+    ? await timeAndDate.inMemberTz(requestMemberId, createdAt)
+    : timeAndDate.inGuildTz(createdAt);
+  const prettyCreatedAt = tzCreatedAt.format(timeAndDate.getDateFormat("pretty_datetime"));
+  const roleAge = humanizeDuration(Date.now() - role.createdAt, {
+    largest: 2,
+    round: true
+  });
+
+  embed.fields.push({
+    name: preEmbedPadding + "Role information",
+    value: trimLines(`
+      Name: **${role.name}**
+      ID: \`${role.id}\`
+      Created: **${roleAge} ago** (\`${prettyCreatedAt}\`)
+      Position: ${role.position}
+      Color: #${role.color.toString(16).toUpperCase()}
+      Mentionable: ${role.mentionable}
+      Hoisted: ${role.hoist}
+      Managed: ${role.managed}
+      Permissions: TODO
+      Members: TODO
+      Mention: <@&${role.id}>
+    `),
+  });
+  
+  return embed;
+}