1use channel::{ChannelMembership, ChannelStore};
2use client::{
3 proto::{self, ChannelRole, ChannelVisibility},
4 ChannelId, User, UserId, UserStore,
5};
6use fuzzy::{match_strings, StringMatchCandidate};
7use gpui::{
8 actions, anchored, deferred, div, AppContext, ClipboardItem, DismissEvent, EventEmitter,
9 FocusableView, Model, ParentElement, Render, Styled, Subscription, Task, View, ViewContext,
10 VisualContext, WeakView,
11};
12use picker::{Picker, PickerDelegate};
13use std::sync::Arc;
14use ui::{prelude::*, Avatar, CheckboxWithLabel, ContextMenu, ListItem, ListItemSpacing};
15use util::TryFutureExt;
16use workspace::{notifications::DetachAndPromptErr, 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 cx: &mut ViewContext<Self>,
41 ) -> Self {
42 cx.observe(&channel_store, |_, _, cx| cx.notify()).detach();
43 let channel_modal = cx.view().downgrade();
44 let picker = cx.new_view(|cx| {
45 Picker::uniform_list(
46 ChannelModalDelegate {
47 channel_modal,
48 matching_users: Vec::new(),
49 matching_member_indices: Vec::new(),
50 selected_index: 0,
51 user_store: user_store.clone(),
52 channel_store: channel_store.clone(),
53 channel_id,
54 match_candidates: Vec::new(),
55 context_menu: None,
56 members: Vec::new(),
57 has_all_members: false,
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 self.picker.update(cx, |picker, cx| {
82 let delegate = &mut picker.delegate;
83 delegate.mode = mode;
84 delegate.selected_index = 0;
85 picker.set_query("", cx);
86 picker.update_matches(picker.query(cx), cx);
87 cx.notify()
88 });
89 cx.notify()
90 }
91
92 fn set_channel_visibility(&mut self, selection: &Selection, cx: &mut ViewContext<Self>) {
93 self.channel_store.update(cx, |channel_store, cx| {
94 channel_store
95 .set_channel_visibility(
96 self.channel_id,
97 match selection {
98 Selection::Unselected => ChannelVisibility::Members,
99 Selection::Selected => ChannelVisibility::Public,
100 Selection::Indeterminate => return,
101 },
102 cx,
103 )
104 .detach_and_log_err(cx)
105 });
106 }
107
108 fn dismiss(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
109 cx.emit(DismissEvent);
110 }
111}
112
113impl EventEmitter<DismissEvent> for ChannelModal {}
114impl ModalView for ChannelModal {}
115
116impl FocusableView for ChannelModal {
117 fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
118 self.picker.focus_handle(cx)
119 }
120}
121
122impl Render for ChannelModal {
123 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
124 let channel_store = self.channel_store.read(cx);
125 let Some(channel) = channel_store.channel_for_id(self.channel_id) else {
126 return div();
127 };
128 let channel_name = channel.name.clone();
129 let channel_id = channel.id;
130 let visibility = channel.visibility;
131 let mode = self.picker.read(cx).delegate.mode;
132
133 v_flex()
134 .key_context("ChannelModal")
135 .on_action(cx.listener(Self::toggle_mode))
136 .on_action(cx.listener(Self::dismiss))
137 .elevation_3(cx)
138 .w(rems(34.))
139 .child(
140 v_flex()
141 .px_2()
142 .py_1()
143 .gap_2()
144 .child(
145 h_flex()
146 .w_px()
147 .flex_1()
148 .gap_1()
149 .child(Icon::new(IconName::Hash).size(IconSize::Medium))
150 .child(Label::new(channel_name)),
151 )
152 .child(
153 h_flex()
154 .w_full()
155 .h(rems_from_px(22.))
156 .justify_between()
157 .line_height(rems(1.25))
158 .child(CheckboxWithLabel::new(
159 "is-public",
160 Label::new("Public").size(LabelSize::Small),
161 if visibility == ChannelVisibility::Public {
162 ui::Selection::Selected
163 } else {
164 ui::Selection::Unselected
165 },
166 cx.listener(Self::set_channel_visibility),
167 ))
168 .children(
169 Some(
170 Button::new("copy-link", "Copy Link")
171 .label_size(LabelSize::Small)
172 .on_click(cx.listener(move |this, _, cx| {
173 if let Some(channel) = this
174 .channel_store
175 .read(cx)
176 .channel_for_id(channel_id)
177 {
178 let item = ClipboardItem::new(channel.link(cx));
179 cx.write_to_clipboard(item);
180 }
181 })),
182 )
183 .filter(|_| visibility == ChannelVisibility::Public),
184 ),
185 )
186 .child(
187 h_flex()
188 .child(
189 div()
190 .id("manage-members")
191 .px_2()
192 .py_1()
193 .cursor_pointer()
194 .border_b_2()
195 .when(mode == Mode::ManageMembers, |this| {
196 this.border_color(cx.theme().colors().border)
197 })
198 .child(Label::new("Manage Members"))
199 .on_click(cx.listener(|this, _, cx| {
200 this.set_mode(Mode::ManageMembers, cx);
201 })),
202 )
203 .child(
204 div()
205 .id("invite-members")
206 .px_2()
207 .py_1()
208 .cursor_pointer()
209 .border_b_2()
210 .when(mode == Mode::InviteMembers, |this| {
211 this.border_color(cx.theme().colors().border)
212 })
213 .child(Label::new("Invite Members"))
214 .on_click(cx.listener(|this, _, cx| {
215 this.set_mode(Mode::InviteMembers, cx);
216 })),
217 ),
218 ),
219 )
220 .child(self.picker.clone())
221 }
222}
223
224#[derive(Copy, Clone, PartialEq)]
225pub enum Mode {
226 ManageMembers,
227 InviteMembers,
228}
229
230pub struct ChannelModalDelegate {
231 channel_modal: WeakView<ChannelModal>,
232 matching_users: Vec<Arc<User>>,
233 matching_member_indices: Vec<usize>,
234 user_store: Model<UserStore>,
235 channel_store: Model<ChannelStore>,
236 channel_id: ChannelId,
237 selected_index: usize,
238 mode: Mode,
239 match_candidates: Vec<StringMatchCandidate>,
240 members: Vec<ChannelMembership>,
241 has_all_members: bool,
242 context_menu: Option<(View<ContextMenu>, Subscription)>,
243}
244
245impl PickerDelegate for ChannelModalDelegate {
246 type ListItem = ListItem;
247
248 fn placeholder_text(&self, _cx: &mut WindowContext) -> Arc<str> {
249 "Search collaborator by username...".into()
250 }
251
252 fn match_count(&self) -> usize {
253 match self.mode {
254 Mode::ManageMembers => self.matching_member_indices.len(),
255 Mode::InviteMembers => self.matching_users.len(),
256 }
257 }
258
259 fn selected_index(&self) -> usize {
260 self.selected_index
261 }
262
263 fn set_selected_index(&mut self, ix: usize, _: &mut ViewContext<Picker<Self>>) {
264 self.selected_index = ix;
265 }
266
267 fn update_matches(&mut self, query: String, cx: &mut ViewContext<Picker<Self>>) -> Task<()> {
268 match self.mode {
269 Mode::ManageMembers => {
270 if self.has_all_members {
271 self.match_candidates.clear();
272 self.match_candidates
273 .extend(self.members.iter().enumerate().map(|(id, member)| {
274 StringMatchCandidate {
275 id,
276 string: member.user.github_login.clone(),
277 char_bag: member.user.github_login.chars().collect(),
278 }
279 }));
280
281 let matches = cx.background_executor().block(match_strings(
282 &self.match_candidates,
283 &query,
284 true,
285 usize::MAX,
286 &Default::default(),
287 cx.background_executor().clone(),
288 ));
289
290 cx.spawn(|picker, mut cx| async move {
291 picker
292 .update(&mut cx, |picker, cx| {
293 let delegate = &mut picker.delegate;
294 delegate.matching_member_indices.clear();
295 delegate
296 .matching_member_indices
297 .extend(matches.into_iter().map(|m| m.candidate_id));
298 cx.notify();
299 })
300 .ok();
301 })
302 } else {
303 let search_members = self.channel_store.update(cx, |store, cx| {
304 store.fuzzy_search_members(self.channel_id, query.clone(), 100, cx)
305 });
306 cx.spawn(|picker, mut cx| async move {
307 async {
308 let members = search_members.await?;
309 picker.update(&mut cx, |picker, cx| {
310 picker.delegate.has_all_members =
311 query == "" && members.len() < 100;
312 picker.delegate.matching_member_indices =
313 (0..members.len()).collect();
314 picker.delegate.members = members;
315 cx.notify();
316 })?;
317 anyhow::Ok(())
318 }
319 .log_err()
320 .await;
321 })
322 }
323 }
324 Mode::InviteMembers => {
325 let search_users = self
326 .user_store
327 .update(cx, |store, cx| store.fuzzy_search_users(query, cx));
328 cx.spawn(|picker, mut cx| async move {
329 async {
330 let users = search_users.await?;
331 picker.update(&mut cx, |picker, cx| {
332 picker.delegate.matching_users = users;
333 cx.notify();
334 })?;
335 anyhow::Ok(())
336 }
337 .log_err()
338 .await;
339 })
340 }
341 }
342 }
343
344 fn confirm(&mut self, _: bool, cx: &mut ViewContext<Picker<Self>>) {
345 if let Some(selected_user) = self.user_at_index(self.selected_index) {
346 if Some(selected_user.id) == self.user_store.read(cx).current_user().map(|user| user.id)
347 {
348 return;
349 }
350 match self.mode {
351 Mode::ManageMembers => self.show_context_menu(self.selected_index, cx),
352 Mode::InviteMembers => match self.member_status(selected_user.id, cx) {
353 Some(proto::channel_member::Kind::Invitee) => {
354 self.remove_member(selected_user.id, cx);
355 }
356 Some(proto::channel_member::Kind::Member) => {}
357 None => self.invite_member(selected_user, cx),
358 },
359 }
360 }
361 }
362
363 fn dismissed(&mut self, cx: &mut ViewContext<Picker<Self>>) {
364 if self.context_menu.is_none() {
365 self.channel_modal
366 .update(cx, |_, cx| {
367 cx.emit(DismissEvent);
368 })
369 .ok();
370 }
371 }
372
373 fn render_match(
374 &self,
375 ix: usize,
376 selected: bool,
377 cx: &mut ViewContext<Picker<Self>>,
378 ) -> Option<Self::ListItem> {
379 let user = self.user_at_index(ix)?;
380 let membership = self.member_at_index(ix);
381 let request_status = self.member_status(user.id, cx);
382 let is_me = self.user_store.read(cx).current_user().map(|user| user.id) == Some(user.id);
383
384 Some(
385 ListItem::new(ix)
386 .inset(true)
387 .spacing(ListItemSpacing::Sparse)
388 .selected(selected)
389 .start_slot(Avatar::new(user.avatar_uri.clone()))
390 .child(Label::new(user.github_login.clone()))
391 .end_slot(h_flex().gap_2().map(|slot| {
392 match self.mode {
393 Mode::ManageMembers => slot
394 .children(
395 if request_status == Some(proto::channel_member::Kind::Invitee) {
396 Some(Label::new("Invited"))
397 } else {
398 None
399 },
400 )
401 .children(match membership.map(|m| m.role) {
402 Some(ChannelRole::Admin) => Some(Label::new("Admin")),
403 Some(ChannelRole::Guest) => Some(Label::new("Guest")),
404 _ => None,
405 })
406 .when(!is_me, |el| {
407 el.child(IconButton::new("ellipsis", IconName::Ellipsis))
408 })
409 .when(is_me, |el| el.child(Label::new("You").color(Color::Muted)))
410 .children(
411 if let (Some((menu, _)), true) = (&self.context_menu, selected) {
412 Some(
413 deferred(
414 anchored()
415 .anchor(gpui::AnchorCorner::TopRight)
416 .child(menu.clone()),
417 )
418 .with_priority(1),
419 )
420 } else {
421 None
422 },
423 ),
424 Mode::InviteMembers => match request_status {
425 Some(proto::channel_member::Kind::Invitee) => {
426 slot.children(Some(Label::new("Invited")))
427 }
428 Some(proto::channel_member::Kind::Member) => {
429 slot.children(Some(Label::new("Member")))
430 }
431 _ => slot,
432 },
433 }
434 })),
435 )
436 }
437}
438
439impl ChannelModalDelegate {
440 fn member_status(
441 &self,
442 user_id: UserId,
443 cx: &AppContext,
444 ) -> Option<proto::channel_member::Kind> {
445 self.members
446 .iter()
447 .find_map(|membership| (membership.user.id == user_id).then_some(membership.kind))
448 .or_else(|| {
449 self.channel_store
450 .read(cx)
451 .has_pending_channel_invite(self.channel_id, user_id)
452 .then_some(proto::channel_member::Kind::Invitee)
453 })
454 }
455
456 fn member_at_index(&self, ix: usize) -> Option<&ChannelMembership> {
457 self.matching_member_indices
458 .get(ix)
459 .and_then(|ix| self.members.get(*ix))
460 }
461
462 fn user_at_index(&self, ix: usize) -> Option<Arc<User>> {
463 match self.mode {
464 Mode::ManageMembers => self.matching_member_indices.get(ix).and_then(|ix| {
465 let channel_membership = self.members.get(*ix)?;
466 Some(channel_membership.user.clone())
467 }),
468 Mode::InviteMembers => self.matching_users.get(ix).cloned(),
469 }
470 }
471
472 fn set_user_role(
473 &mut self,
474 user_id: UserId,
475 new_role: ChannelRole,
476 cx: &mut ViewContext<Picker<Self>>,
477 ) -> Option<()> {
478 let update = self.channel_store.update(cx, |store, cx| {
479 store.set_member_role(self.channel_id, user_id, new_role, cx)
480 });
481 cx.spawn(|picker, mut cx| async move {
482 update.await?;
483 picker.update(&mut cx, |picker, cx| {
484 let this = &mut picker.delegate;
485 if let Some(member) = this.members.iter_mut().find(|m| m.user.id == user_id) {
486 member.role = new_role;
487 }
488 cx.focus_self();
489 cx.notify();
490 })
491 })
492 .detach_and_prompt_err("Failed to update role", cx, |_, _| None);
493 Some(())
494 }
495
496 fn remove_member(&mut self, user_id: UserId, cx: &mut ViewContext<Picker<Self>>) -> Option<()> {
497 let update = self.channel_store.update(cx, |store, cx| {
498 store.remove_member(self.channel_id, user_id, cx)
499 });
500 cx.spawn(|picker, mut cx| async move {
501 update.await?;
502 picker.update(&mut cx, |picker, cx| {
503 let this = &mut picker.delegate;
504 if let Some(ix) = this.members.iter_mut().position(|m| m.user.id == user_id) {
505 this.members.remove(ix);
506 this.matching_member_indices.retain_mut(|member_ix| {
507 if *member_ix == ix {
508 return false;
509 } else if *member_ix > ix {
510 *member_ix -= 1;
511 }
512 true
513 })
514 }
515
516 this.selected_index = this
517 .selected_index
518 .min(this.matching_member_indices.len().saturating_sub(1));
519
520 picker.focus(cx);
521 cx.notify();
522 })
523 })
524 .detach_and_prompt_err("Failed to remove member", cx, |_, _| None);
525 Some(())
526 }
527
528 fn invite_member(&mut self, user: Arc<User>, cx: &mut ViewContext<Picker<Self>>) {
529 let invite_member = self.channel_store.update(cx, |store, cx| {
530 store.invite_member(self.channel_id, user.id, ChannelRole::Member, cx)
531 });
532
533 cx.spawn(|this, mut cx| async move {
534 invite_member.await?;
535
536 this.update(&mut cx, |this, cx| {
537 let new_member = ChannelMembership {
538 user,
539 kind: proto::channel_member::Kind::Invitee,
540 role: ChannelRole::Member,
541 };
542 let members = &mut this.delegate.members;
543 match members.binary_search_by_key(&new_member.sort_key(), |k| k.sort_key()) {
544 Ok(ix) | Err(ix) => members.insert(ix, new_member),
545 }
546
547 cx.notify();
548 })
549 })
550 .detach_and_prompt_err("Failed to invite member", cx, |_, _| None);
551 }
552
553 fn show_context_menu(&mut self, ix: usize, cx: &mut ViewContext<Picker<Self>>) {
554 let Some(membership) = self.member_at_index(ix) else {
555 return;
556 };
557 let user_id = membership.user.id;
558 let picker = cx.view().clone();
559 let context_menu = ContextMenu::build(cx, |mut menu, _cx| {
560 let role = membership.role;
561
562 if role == ChannelRole::Admin || role == ChannelRole::Member {
563 let picker = picker.clone();
564 menu = menu.entry("Demote to Guest", None, move |cx| {
565 picker.update(cx, |picker, cx| {
566 picker
567 .delegate
568 .set_user_role(user_id, ChannelRole::Guest, cx);
569 })
570 });
571 }
572
573 if role == ChannelRole::Admin || role == ChannelRole::Guest {
574 let picker = picker.clone();
575 let label = if role == ChannelRole::Guest {
576 "Promote to Member"
577 } else {
578 "Demote to Member"
579 };
580
581 menu = menu.entry(label, None, move |cx| {
582 picker.update(cx, |picker, cx| {
583 picker
584 .delegate
585 .set_user_role(user_id, ChannelRole::Member, cx);
586 })
587 });
588 }
589
590 if role == ChannelRole::Member || role == ChannelRole::Guest {
591 let picker = picker.clone();
592 menu = menu.entry("Promote to Admin", None, move |cx| {
593 picker.update(cx, |picker, cx| {
594 picker
595 .delegate
596 .set_user_role(user_id, ChannelRole::Admin, cx);
597 })
598 });
599 };
600
601 menu = menu.separator();
602 menu = menu.entry("Remove from Channel", None, {
603 let picker = picker.clone();
604 move |cx| {
605 picker.update(cx, |picker, cx| {
606 picker.delegate.remove_member(user_id, cx);
607 })
608 }
609 });
610 menu
611 });
612 cx.focus_view(&context_menu);
613 let subscription = cx.subscribe(&context_menu, |picker, _, _: &DismissEvent, cx| {
614 picker.delegate.context_menu = None;
615 picker.focus(cx);
616 cx.notify();
617 });
618 self.context_menu = Some((context_menu, subscription));
619 }
620}