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import { User, Users } from './users.svelte.js';
import { Channels } from './channels.svelte.js';
import { Messages } from './messages.svelte.js';
export class State {
currentUser = $state();
users = $state(new Users());
channels = $state(new Channels());
messages = $state(new Messages());
static boot({ currentUser, heartbeat, resumePoint, events }) {
const state = new State({
currentUser: User.boot(currentUser),
heartbeat,
resumePoint,
});
for (const event of events) {
state.onEvent(event);
}
return state;
}
constructor({ currentUser, heartbeat, resumePoint }) {
this.currentUser = currentUser;
this.heartbeat = heartbeat;
this.resumePoint = resumePoint;
}
onEvent(event) {
// Heartbeats are actually completely ignored here. They're handled in `Session`, but not as a
// special case; _any_ event is a heartbeat event.
switch (event.type) {
case 'conversation':
return this.onConversationEvent(event);
case 'user':
return this.onUserEvent(event);
case 'message':
return this.onMessageEvent(event);
}
}
onConversationEvent(event) {
switch (event.event) {
case 'created':
return this.onConversationCreated(event);
case 'deleted':
return this.onConversationDeleted(event);
}
}
onConversationCreated(event) {
const { id, name } = event;
this.channels.add({ id, name });
}
onConversationDeleted(event) {
const { id } = event;
this.channels.remove(id);
}
onUserEvent(event) {
switch (event.event) {
case 'created':
return this.onUserCreated(event);
}
}
onUserCreated(event) {
const { id, name } = event;
this.users.add({ id, name });
}
onMessageEvent(event) {
switch (event.event) {
case 'sent':
return this.onMessageSent(event);
case 'deleted':
return this.onMessageDeleted(event);
}
}
onMessageSent(event) {
const { id, at, conversation, sender, body } = event;
this.messages.add({ id, at, conversation, sender, body });
}
onMessageDeleted(event) {
const { id } = event;
this.messages.remove(id);
}
}
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