Drag and drop space icons (#17) (#78)

Closes #17

Co-authored-by: Jon Staab <shtaab@gmail.com>
Reviewed-on: coracle/flotilla#78
Co-authored-by: triesap <tyson@radroots.org>
Co-committed-by: triesap <tyson@radroots.org>

src/app/core/commands.ts

@@ -37,6 +37,7 @@ import {
   makeList,
   addToListPublicly,
   removeFromListByPredicate,
+  updateList,
   getTag,
   getListTags,
   getRelayTagValues,
@@ -148,6 +149,20 @@ export const removeSpaceMembership = async (url: string) => {
   return publishThunk({event, relays})
 }
 
+export const setSpaceMembershipOrder = async (urls: string[]) => {
+  const list = get(userGroupList) || makeList({kind: ROOMS})
+  const orderedUrls = uniq(urls.map(normalizeRelayUrl))
+  const relayTags = list.publicTags.filter(t => t[0] === "r")
+  const otherPublicTags = list.publicTags.filter(t => t[0] !== "r")
+  const relayTagByUrl = new Map(relayTags.map(t => [normalizeRelayUrl(t[1]), t]))
+  const orderedRelayTags = orderedUrls.map(url => relayTagByUrl.get(url) || ["r", url])
+  const publicTags = [...orderedRelayTags, ...otherPublicTags]
+  const event = await updateList(list, {publicTags}).reconcile(nip44EncryptToSelf)
+  const relays = uniq([...Router.get().FromUser().getUrls(), ...getRelayTagValues(event.tags)])
+
+  return publishThunk({event, relays})
+}
+
 export const addRoomMembership = async (url: string, h: string) => {
   const list = get(userGroupList) || makeList({kind: ROOMS})
   const newTags = [