feat(Role): role tags (#4628)

* feat(Role): role tags

* fix(RoleManager): fix js docs and mark nullable

* fix(Role): typings tags are be null, not undefined

* fix(Role): getters should actually return a bool

* fix(RoleManager): typo

* fix(Role): should always return a boolean

* fix(Gmrm): getter should return null

* fix(RoleManager): getters should return null

* fix: typing getters should return null

* fix(Role): docs grammar and consistency

* chore: prefer in operator over Reflect#has

* feat(GmRm): botRole getter

* fix(GmRm): use the actual properties

* feat(RoleManager): rem myRole in pref o botRoleFor

* fix(Role): remove obsolete is- getters

* fix:  checking tags after getter removal

* chore: identifier naming consistency

* chore: prefer explicit true type over boolean

* fix: typo

* feat(Integration): Add Integration#roles getter (#1)

* fix(RoleManager): remove bot check r:partials

* feat(RoleManager): robustness against uncached u

* docs: possibly undefined

Co-authored-by: Jan <66554238+Vaporox@users.noreply.github.com>

src/managers/GuildMemberRoleManager.js

@@ -72,6 +72,26 @@ class GuildMemberRoleManager {
     return this._roles.reduce((prev, role) => (role.comparePositionTo(prev) > 0 ? role : prev), this._roles.first());
   }
 
+  /**
+   * The premium subscriber role of the guild, if present on the member
+   * @type {?Role}
+   * @readonly
+   */
+  get premiumSubscriberRole() {
+    return this.cache.find(role => role.tags && role.tags.premiumSubscriberRole) || null;
+  }
+
+  /**
+   * The managed role this member created when joining the guild, if any
+   * <info>Only ever available on bots</info>
+   * @type {?Role}
+   * @readonly
+   */
+  get botRole() {
+    if (!this.member.user.bot) return null;
+    return this.cache.find(role => role.tags && role.tags.botID === this.member.user.id) || null;
+  }
+
   /**
    * Adds a role (or multiple roles) to the member.
    * @param {RoleResolvable|RoleResolvable[]|Collection<Snowflake, Role>} roleOrRoles The role or roles to add

src/managers/RoleManager.js

@@ -126,6 +126,18 @@ class RoleManager extends BaseManager {
       });
   }
 
+  /**
+   * Gets the managed role a user created when joining the guild, if any
+   * <info>Only ever available for bots</info>
+   * @param {UserResolvable} user The user to access the bot role for
+   * @returns {?Role}
+   */
+  botRoleFor(user) {
+    const userID = this.client.users.resolveID(user);
+    if (!userID) return null;
+    return this.cache.find(role => role.tags && role.tags.botID === userID) || null;
+  }
+
   /**
    * The `@everyone` role of the guild
    * @type {Role}
@@ -135,6 +147,15 @@ class RoleManager extends BaseManager {
     return this.cache.get(this.guild.id);
   }
 
+  /**
+   * The premium subscriber role of the guild, if any
+   * @type {?Role}
+   * @readonly
+   */
+  get premiumSubscriberRole() {
+    return this.cache.find(role => role.tags && role.tags.premiumSubscriberRole) || null;
+  }
+
   /**
    * The role with the highest position in the cache
    * @type {Role}

src/structures/Integration.js

@@ -83,6 +83,16 @@ class Integration extends Base {
     this._patch(data);
   }
 
+  /**
+   * All roles that are managed by this integration
+   * @type {Collection<Snowflake, Role>}
+   * @readonly
+   */
+  get roles() {
+    const roles = this.guild.roles.cache;
+    return roles.filter(role => role.tags && role.tags.integrationID === this.id);
+  }
+
   _patch(data) {
     /**
      * The behavior of expiring subscribers

src/structures/Role.js

@@ -82,6 +82,26 @@ class Role extends Base {
      * @type {boolean}
      */
     this.deleted = false;
+
+    /**
+     * The tags this role has
+     * @type {?Object}
+     * @property {Snowflake} [botID] The id of the bot this role belongs to
+     * @property {Snowflake} [integrationID] The id of the integration this role belongs to
+     * @property {true} [premiumSubscriberRole] Whether this is the guild's premium subscription role
+     */
+    this.tags = data.tags ? {} : null;
+    if (data.tags) {
+      if ('bot_id' in data.tags) {
+        this.tags.botID = data.tags.bot_id;
+      }
+      if ('integration_id' in data.tags) {
+        this.tags.integrationID = data.tags.integration_id;
+      }
+      if ('premium_subscriber' in data.tags) {
+        this.tags.premiumSubscriberRole = true;
+      }
+    }
   }
 
   /**