Feat: Allow creating, linking, and unlinking groups from a community (#1729)

* feat: create group inside a community

* feat: link and unlink groups to a community

src/Socket/communities.ts

@@ -149,6 +149,26 @@ export const makeCommunitiesSocket = (config: SocketConfig) => {
 
 			return await parseGroupResult(result)
 		},
+		communityCreateGroup: async (subject: string, participants: string[], parentCommunityJid: string) => {
+			const key = generateMessageIDV2()
+			const result = await communityQuery('@g.us', 'set', [
+				{
+					tag: 'create',
+					attrs: {
+						subject,
+						key
+					},
+					content: [
+						...participants.map(jid => ({
+							tag: 'participant',
+							attrs: { jid }
+						})),
+						{ tag: 'linked_parent', attrs: { jid: parentCommunityJid } }
+					]
+				}
+			])
+			return await parseGroupResult(result)
+		},
 		communityLeave: async (id: string) => {
 			await communityQuery('@g.us', 'set', [
 				{
@@ -167,6 +187,30 @@ export const makeCommunitiesSocket = (config: SocketConfig) => {
 				}
 			])
 		},
+		communityLinkGroup: async (groupJid: string, parentCommunityJid: string) => {
+			await communityQuery(parentCommunityJid, 'set', [
+				{
+					tag: 'links',
+					attrs: {},
+					content: [
+						{
+							tag: 'link',
+							attrs: { link_type: 'sub_group' },
+							content: [{ tag: 'group', attrs: { jid: groupJid } }]
+						}
+					]
+				}
+			])
+		},
+		communityUnlinkGroup: async (groupJid: string, parentCommunityJid: string) => {
+			await communityQuery(parentCommunityJid, 'set', [
+				{
+					tag: 'unlink',
+					attrs: { unlink_type: 'sub_group' },
+					content: [{ tag: 'group', attrs: { jid: groupJid } }]
+				}
+			])
+		},
 		communityRequestParticipantsList: async (jid: string) => {
 			const result = await communityQuery(jid, 'get', [
 				{