1use channel::{ChannelId, ChannelMembership, ChannelStore};
2use client::{
3 proto::{self, ChannelRole, ChannelVisibility},
4 User, UserId, UserStore,
5};
6use fuzzy::{match_strings, StringMatchCandidate};
7use gpui::{
8 actions, div, overlay, AppContext, ClipboardItem, DismissEvent, EventEmitter, FocusableView,
9 Model, ParentElement, Render, Styled, Subscription, Task, View, ViewContext, VisualContext,
10 WeakView,
11};
12use picker::{Picker, PickerDelegate};
13use std::sync::Arc;
14use ui::{prelude::*, Avatar, Checkbox, ContextMenu, ListItem, ListItemSpacing};
15use util::TryFutureExt;
16use workspace::ModalView;
17
18actions!(
19 channel_modal,
20 [
21 SelectNextControl,
22 ToggleMode,
23 ToggleMemberAdmin,
24 RemoveMember
25 ]
26);
27
28pub struct ChannelModal {
29 picker: View<Picker<ChannelModalDelegate>>,
30 channel_store: Model<ChannelStore>,
31 channel_id: ChannelId,
32}
33
34impl ChannelModal {
35 pub fn new(
36 user_store: Model<UserStore>,
37 channel_store: Model<ChannelStore>,
38 channel_id: ChannelId,
39 mode: Mode,
40 members: Vec<ChannelMembership>,
41 cx: &mut ViewContext<Self>,
42 ) -> Self {
43 cx.observe(&channel_store, |_, _, cx| cx.notify()).detach();
44 let channel_modal = cx.view().downgrade();
45 let picker = cx.new_view(|cx| {
46 Picker::new(
47 ChannelModalDelegate {
48 channel_modal,
49 matching_users: Vec::new(),
50 matching_member_indices: Vec::new(),
51 selected_index: 0,
52 user_store: user_store.clone(),
53 channel_store: channel_store.clone(),
54 channel_id,
55 match_candidates: Vec::new(),
56 context_menu: None,
57 members,
58 mode,
59 },
60 cx,
61 )
62 .modal(false)
63 });
64
65 Self {
66 picker,
67 channel_store,
68 channel_id,
69 }
70 }
71
72 fn toggle_mode(&mut self, _: &ToggleMode, cx: &mut ViewContext<Self>) {
73 let mode = match self.picker.read(cx).delegate.mode {
74 Mode::ManageMembers => Mode::InviteMembers,
75 Mode::InviteMembers => Mode::ManageMembers,
76 };
77 self.set_mode(mode, cx);
78 }
79
80 fn set_mode(&mut self, mode: Mode, cx: &mut ViewContext<Self>) {
81 let channel_store = self.channel_store.clone();
82 let channel_id = self.channel_id;
83 cx.spawn(|this, mut cx| async move {
84 if mode == Mode::ManageMembers {
85 let mut members = channel_store
86 .update(&mut cx, |channel_store, cx| {
87 channel_store.get_channel_member_details(channel_id, cx)
88 })?
89 .await?;
90
91 members.sort_by(|a, b| a.sort_key().cmp(&b.sort_key()));
92
93 this.update(&mut cx, |this, cx| {
94 this.picker
95 .update(cx, |picker, _| picker.delegate.members = members);
96 })?;
97 }
98
99 this.update(&mut cx, |this, cx| {
100 this.picker.update(cx, |picker, cx| {
101 let delegate = &mut picker.delegate;
102 delegate.mode = mode;
103 delegate.selected_index = 0;
104 picker.set_query("", cx);
105 picker.update_matches(picker.query(cx), cx);
106 cx.notify()
107 });
108 cx.notify()
109 })
110 })
111 .detach();
112 }
113
114 fn set_channel_visiblity(&mut self, selection: &Selection, cx: &mut ViewContext<Self>) {
115 self.channel_store.update(cx, |channel_store, cx| {
116 channel_store
117 .set_channel_visibility(
118 self.channel_id,
119 match selection {
120 Selection::Unselected => ChannelVisibility::Members,
121 Selection::Selected => ChannelVisibility::Public,
122 Selection::Indeterminate => return,
123 },
124 cx,
125 )
126 .detach_and_log_err(cx)
127 });
128 }
129
130 fn dismiss(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
131 cx.emit(DismissEvent);
132 }
133}
134
135impl EventEmitter<DismissEvent> for ChannelModal {}
136impl ModalView for ChannelModal {}
137
138impl FocusableView for ChannelModal {
139 fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
140 self.picker.focus_handle(cx)
141 }
142}
143
144impl Render for ChannelModal {
145 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
146 let channel_store = self.channel_store.read(cx);
147 let Some(channel) = channel_store.channel_for_id(self.channel_id) else {
148 return div();
149 };
150 let channel_name = channel.name.clone();
151 let channel_id = channel.id;
152 let visibility = channel.visibility;
153 let mode = self.picker.read(cx).delegate.mode;
154
155 v_stack()
156 .key_context("ChannelModal")
157 .on_action(cx.listener(Self::toggle_mode))
158 .on_action(cx.listener(Self::dismiss))
159 .elevation_3(cx)
160 .w(rems(34.))
161 .child(
162 v_stack()
163 .px_2()
164 .py_1()
165 .rounded_t(px(8.))
166 .bg(cx.theme().colors().element_background)
167 .child(IconElement::new(Icon::Hash).size(IconSize::Medium))
168 .child(Label::new(channel_name))
169 .child(
170 h_stack()
171 .w_full()
172 .justify_between()
173 .child(
174 h_stack()
175 .gap_2()
176 .child(
177 Checkbox::new(
178 "is-public",
179 if visibility == ChannelVisibility::Public {
180 ui::Selection::Selected
181 } else {
182 ui::Selection::Unselected
183 },
184 )
185 .on_click(cx.listener(Self::set_channel_visiblity)),
186 )
187 .child(Label::new("Public")),
188 )
189 .children(if visibility == ChannelVisibility::Public {
190 Some(Button::new("copy-link", "Copy Link").on_click(cx.listener(
191 move |this, _, cx| {
192 if let Some(channel) =
193 this.channel_store.read(cx).channel_for_id(channel_id)
194 {
195 let item = ClipboardItem::new(channel.link());
196 cx.write_to_clipboard(item);
197 }
198 },
199 )))
200 } else {
201 None
202 }),
203 )
204 .child(
205 div()
206 .w_full()
207 .flex()
208 .flex_row()
209 .child(
210 Button::new("manage-members", "Manage Members")
211 .selected(mode == Mode::ManageMembers)
212 .on_click(cx.listener(|this, _, cx| {
213 this.set_mode(Mode::ManageMembers, cx);
214 })),
215 )
216 .child(
217 Button::new("invite-members", "Invite Members")
218 .selected(mode == Mode::InviteMembers)
219 .on_click(cx.listener(|this, _, cx| {
220 this.set_mode(Mode::InviteMembers, cx);
221 })),
222 ),
223 ),
224 )
225 .child(self.picker.clone())
226 }
227}
228
229#[derive(Copy, Clone, PartialEq)]
230pub enum Mode {
231 ManageMembers,
232 InviteMembers,
233}
234
235pub struct ChannelModalDelegate {
236 channel_modal: WeakView<ChannelModal>,
237 matching_users: Vec<Arc<User>>,
238 matching_member_indices: Vec<usize>,
239 user_store: Model<UserStore>,
240 channel_store: Model<ChannelStore>,
241 channel_id: ChannelId,
242 selected_index: usize,
243 mode: Mode,
244 match_candidates: Vec<StringMatchCandidate>,
245 members: Vec<ChannelMembership>,
246 context_menu: Option<(View<ContextMenu>, Subscription)>,
247}
248
249impl PickerDelegate for ChannelModalDelegate {
250 type ListItem = ListItem;
251
252 fn placeholder_text(&self) -> Arc<str> {
253 "Search collaborator by username...".into()
254 }
255
256 fn match_count(&self) -> usize {
257 match self.mode {
258 Mode::ManageMembers => self.matching_member_indices.len(),
259 Mode::InviteMembers => self.matching_users.len(),
260 }
261 }
262
263 fn selected_index(&self) -> usize {
264 self.selected_index
265 }
266
267 fn set_selected_index(&mut self, ix: usize, _: &mut ViewContext<Picker<Self>>) {
268 self.selected_index = ix;
269 }
270
271 fn update_matches(&mut self, query: String, cx: &mut ViewContext<Picker<Self>>) -> Task<()> {
272 match self.mode {
273 Mode::ManageMembers => {
274 self.match_candidates.clear();
275 self.match_candidates
276 .extend(self.members.iter().enumerate().map(|(id, member)| {
277 StringMatchCandidate {
278 id,
279 string: member.user.github_login.clone(),
280 char_bag: member.user.github_login.chars().collect(),
281 }
282 }));
283
284 let matches = cx.background_executor().block(match_strings(
285 &self.match_candidates,
286 &query,
287 true,
288 usize::MAX,
289 &Default::default(),
290 cx.background_executor().clone(),
291 ));
292
293 cx.spawn(|picker, mut cx| async move {
294 picker
295 .update(&mut cx, |picker, cx| {
296 let delegate = &mut picker.delegate;
297 delegate.matching_member_indices.clear();
298 delegate
299 .matching_member_indices
300 .extend(matches.into_iter().map(|m| m.candidate_id));
301 cx.notify();
302 })
303 .ok();
304 })
305 }
306 Mode::InviteMembers => {
307 let search_users = self
308 .user_store
309 .update(cx, |store, cx| store.fuzzy_search_users(query, cx));
310 cx.spawn(|picker, mut cx| async move {
311 async {
312 let users = search_users.await?;
313 picker.update(&mut cx, |picker, cx| {
314 picker.delegate.matching_users = users;
315 cx.notify();
316 })?;
317 anyhow::Ok(())
318 }
319 .log_err()
320 .await;
321 })
322 }
323 }
324 }
325
326 fn confirm(&mut self, _: bool, cx: &mut ViewContext<Picker<Self>>) {
327 if let Some((selected_user, role)) = self.user_at_index(self.selected_index) {
328 match self.mode {
329 Mode::ManageMembers => {
330 self.show_context_menu(selected_user, role.unwrap_or(ChannelRole::Member), cx)
331 }
332 Mode::InviteMembers => match self.member_status(selected_user.id, cx) {
333 Some(proto::channel_member::Kind::Invitee) => {
334 self.remove_member(selected_user.id, cx);
335 }
336 Some(proto::channel_member::Kind::AncestorMember) | None => {
337 self.invite_member(selected_user, cx)
338 }
339 Some(proto::channel_member::Kind::Member) => {}
340 },
341 }
342 }
343 }
344
345 fn dismissed(&mut self, cx: &mut ViewContext<Picker<Self>>) {
346 if self.context_menu.is_none() {
347 self.channel_modal
348 .update(cx, |_, cx| {
349 cx.emit(DismissEvent);
350 })
351 .ok();
352 }
353 }
354
355 fn render_match(
356 &self,
357 ix: usize,
358 selected: bool,
359 cx: &mut ViewContext<Picker<Self>>,
360 ) -> Option<Self::ListItem> {
361 let (user, role) = self.user_at_index(ix)?;
362 let request_status = self.member_status(user.id, cx);
363
364 Some(
365 ListItem::new(ix)
366 .inset(true)
367 .spacing(ListItemSpacing::Sparse)
368 .selected(selected)
369 .start_slot(Avatar::new(user.avatar_uri.clone()))
370 .child(Label::new(user.github_login.clone()))
371 .end_slot(h_stack().gap_2().map(|slot| {
372 match self.mode {
373 Mode::ManageMembers => slot
374 .children(
375 if request_status == Some(proto::channel_member::Kind::Invitee) {
376 Some(Label::new("Invited"))
377 } else {
378 None
379 },
380 )
381 .children(match role {
382 Some(ChannelRole::Admin) => Some(Label::new("Admin")),
383 Some(ChannelRole::Guest) => Some(Label::new("Guest")),
384 _ => None,
385 })
386 .child(IconButton::new("ellipsis", Icon::Ellipsis))
387 .children(
388 if let (Some((menu, _)), true) = (&self.context_menu, selected) {
389 Some(
390 overlay()
391 .anchor(gpui::AnchorCorner::TopLeft)
392 .child(menu.clone()),
393 )
394 } else {
395 None
396 },
397 ),
398 Mode::InviteMembers => match request_status {
399 Some(proto::channel_member::Kind::Invitee) => {
400 slot.children(Some(Label::new("Invited")))
401 }
402 Some(proto::channel_member::Kind::Member) => {
403 slot.children(Some(Label::new("Member")))
404 }
405 _ => slot,
406 },
407 }
408 })),
409 )
410 }
411}
412
413impl ChannelModalDelegate {
414 fn member_status(
415 &self,
416 user_id: UserId,
417 cx: &AppContext,
418 ) -> Option<proto::channel_member::Kind> {
419 self.members
420 .iter()
421 .find_map(|membership| (membership.user.id == user_id).then_some(membership.kind))
422 .or_else(|| {
423 self.channel_store
424 .read(cx)
425 .has_pending_channel_invite(self.channel_id, user_id)
426 .then_some(proto::channel_member::Kind::Invitee)
427 })
428 }
429
430 fn user_at_index(&self, ix: usize) -> Option<(Arc<User>, Option<ChannelRole>)> {
431 match self.mode {
432 Mode::ManageMembers => self.matching_member_indices.get(ix).and_then(|ix| {
433 let channel_membership = self.members.get(*ix)?;
434 Some((
435 channel_membership.user.clone(),
436 Some(channel_membership.role),
437 ))
438 }),
439 Mode::InviteMembers => Some((self.matching_users.get(ix).cloned()?, None)),
440 }
441 }
442
443 fn set_user_role(
444 &mut self,
445 user_id: UserId,
446 new_role: ChannelRole,
447 cx: &mut ViewContext<Picker<Self>>,
448 ) -> Option<()> {
449 let update = self.channel_store.update(cx, |store, cx| {
450 store.set_member_role(self.channel_id, user_id, new_role, cx)
451 });
452 cx.spawn(|picker, mut cx| async move {
453 update.await?;
454 picker.update(&mut cx, |picker, cx| {
455 let this = &mut picker.delegate;
456 if let Some(member) = this.members.iter_mut().find(|m| m.user.id == user_id) {
457 member.role = new_role;
458 }
459 cx.focus_self();
460 cx.notify();
461 })
462 })
463 .detach_and_log_err(cx);
464 Some(())
465 }
466
467 fn remove_member(&mut self, user_id: UserId, cx: &mut ViewContext<Picker<Self>>) -> Option<()> {
468 let update = self.channel_store.update(cx, |store, cx| {
469 store.remove_member(self.channel_id, user_id, cx)
470 });
471 cx.spawn(|picker, mut cx| async move {
472 update.await?;
473 picker.update(&mut cx, |picker, cx| {
474 let this = &mut picker.delegate;
475 if let Some(ix) = this.members.iter_mut().position(|m| m.user.id == user_id) {
476 this.members.remove(ix);
477 this.matching_member_indices.retain_mut(|member_ix| {
478 if *member_ix == ix {
479 return false;
480 } else if *member_ix > ix {
481 *member_ix -= 1;
482 }
483 true
484 })
485 }
486
487 this.selected_index = this
488 .selected_index
489 .min(this.matching_member_indices.len().saturating_sub(1));
490
491 picker.focus(cx);
492 cx.notify();
493 })
494 })
495 .detach_and_log_err(cx);
496 Some(())
497 }
498
499 fn invite_member(&mut self, user: Arc<User>, cx: &mut ViewContext<Picker<Self>>) {
500 let invite_member = self.channel_store.update(cx, |store, cx| {
501 store.invite_member(self.channel_id, user.id, ChannelRole::Member, cx)
502 });
503
504 cx.spawn(|this, mut cx| async move {
505 invite_member.await?;
506
507 this.update(&mut cx, |this, cx| {
508 let new_member = ChannelMembership {
509 user,
510 kind: proto::channel_member::Kind::Invitee,
511 role: ChannelRole::Member,
512 };
513 let members = &mut this.delegate.members;
514 match members.binary_search_by_key(&new_member.sort_key(), |k| k.sort_key()) {
515 Ok(ix) | Err(ix) => members.insert(ix, new_member),
516 }
517
518 cx.notify();
519 })
520 })
521 .detach_and_log_err(cx);
522 }
523
524 fn show_context_menu(
525 &mut self,
526 user: Arc<User>,
527 role: ChannelRole,
528 cx: &mut ViewContext<Picker<Self>>,
529 ) {
530 let user_id = user.id;
531 let picker = cx.view().clone();
532 let context_menu = ContextMenu::build(cx, |mut menu, _cx| {
533 menu = menu.entry("Remove Member", None, {
534 let picker = picker.clone();
535 move |cx| {
536 picker.update(cx, |picker, cx| {
537 picker.delegate.remove_member(user_id, cx);
538 })
539 }
540 });
541
542 let picker = picker.clone();
543 match role {
544 ChannelRole::Admin => {
545 menu = menu.entry("Revoke Admin", None, move |cx| {
546 picker.update(cx, |picker, cx| {
547 picker
548 .delegate
549 .set_user_role(user_id, ChannelRole::Member, cx);
550 })
551 });
552 }
553 ChannelRole::Member => {
554 menu = menu.entry("Make Admin", None, move |cx| {
555 picker.update(cx, |picker, cx| {
556 picker
557 .delegate
558 .set_user_role(user_id, ChannelRole::Admin, cx);
559 })
560 });
561 }
562 _ => {}
563 };
564
565 menu
566 });
567 cx.focus_view(&context_menu);
568 let subscription = cx.subscribe(&context_menu, |picker, _, _: &DismissEvent, cx| {
569 picker.delegate.context_menu = None;
570 picker.focus(cx);
571 cx.notify();
572 });
573 self.context_menu = Some((context_menu, subscription));
574 }
575}