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* SessionSpeakersTab Component
*
* Tab content for managing speakers assigned to a session.
* Displayed as tab index 2 in SessionEditModal.
*
* Features:
* - List current session speakers with role and confirmation status
* - Remove a speaker from the session
* - Set a speaker as primary (DELETE + re-POST with PRIMARY_SPEAKER role)
* - Add a speaker via UserAutocomplete (search any user by name) + role select
* - Create a new user inline via UserCreateEditModal
*
* All mutations operate directly against the session_users table (entity SessionUser,
* exposed in the API as SessionSpeaker). speaker_pool keeps the workflow state machine
* only. Story 11.E.8: the PRIMARY_SPEAKER row is auto-provisioned at the CONTACTED →
* READY transition by SpeakerWorkflowService.runReadyHook; this tab manages the
* CO_SPEAKER / MODERATOR / PANELIST additions plus the confirm/decline status.
*/
import React, { useState, useEffect } from 'react';
import {
Box,
Typography,
Button,
Select,
MenuItem,
FormControl,
InputLabel,
Chip,
IconButton,
Alert,
Paper,
Divider,
CircularProgress,
Stack,
} from '@mui/material';
import {
StarOutline as SetPrimaryIcon,
Star as PrimaryIcon,
Delete as RemoveIcon,
CheckCircle as ConfirmedIcon,
} from '@mui/icons-material';
import { useTranslation } from 'react-i18next';
import { useQueryClient } from '@tanstack/react-query';
import { UserAutocomplete } from '@/components/shared/UserAutocomplete';
import { UserAvatar } from '@/components/shared/UserAvatar';
import UserCreateEditModal from '@/components/organizer/UserManagement/UserCreateEditModal';
import { useAssignSpeaker, useRemoveSpeaker } from '@/hooks/useSessionSpeakers';
import { updateUserRoles } from '@/services/api/userManagementApi';
import type { SessionUI, SessionSpeaker } from '@/types/event.types';
import type { UserSearchResponse, User, Role } from '@/types/user.types';
interface SessionSpeakersTabProps {
session: SessionUI;
}
type SpeakerRole = 'PRIMARY_SPEAKER' | 'CO_SPEAKER' | 'MODERATOR' | 'PANELIST';
const SPEAKER_ROLES: SpeakerRole[] = ['PRIMARY_SPEAKER', 'CO_SPEAKER', 'MODERATOR', 'PANELIST'];
export const SessionSpeakersTab: React.FC<SessionSpeakersTabProps> = ({ session }) => {
const { t } = useTranslation('events');
const queryClient = useQueryClient();
// Add form state
const [selectedUser, setSelectedUser] = useState<UserSearchResponse | null>(null);
const [addRole, setAddRole] = useState<SpeakerRole>('CO_SPEAKER');
const [addError, setAddError] = useState<string | null>(null);
const [actionError, setActionError] = useState<string | null>(null);
// User create modal state
const [userModalOpen, setUserModalOpen] = useState(false);
const [editingUser, setEditingUser] = useState<UserSearchResponse | null>(null);
// Track which speaker is being mutated (for per-row loading states)
const [mutatingUsername, setMutatingUsername] = useState<string | null>(null);
const assignMutation = useAssignSpeaker();
const removeMutation = useRemoveSpeaker();
// Local speakers state — source of truth for the list while the modal is open.
// Initialized from session.speakers and updated directly from API responses so
// the list reflects changes immediately without depending on the parent re-render.
const [localSpeakers, setLocalSpeakers] = useState<SessionSpeaker[]>(session.speakers ?? []);
// Sync when a different session is opened (sessionSlug changes)
useEffect(() => {
setLocalSpeakers(session.speakers ?? []);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [session.sessionSlug]);
const hasPrimary = localSpeakers.some((s) => s.speakerRole === 'PRIMARY_SPEAKER');
// Default new speaker role to PRIMARY_SPEAKER when no speakers exist yet
useEffect(() => {
setAddRole(hasPrimary ? 'CO_SPEAKER' : 'PRIMARY_SPEAKER');
}, [hasPrimary]);
// ─── Handlers ───────────────────────────────────────────────────────────────
const handleRemove = async (speaker: SessionSpeaker) => {
setMutatingUsername(speaker.username);
setActionError(null);
try {
await removeMutation.mutateAsync({
eventCode: session.eventCode,
sessionSlug: session.sessionSlug,
username: speaker.username,
});
setLocalSpeakers((prev) => prev.filter((s) => s.username !== speaker.username));
} catch (err) {
setActionError(
err instanceof Error
? err.message
: t('sessionEdit.speakers.removeError', 'Failed to remove speaker')
);
} finally {
setMutatingUsername(null);
}
};
const handleSetPrimary = async (speaker: SessionSpeaker) => {
setMutatingUsername(speaker.username);
setActionError(null);
try {
// Demote the current primary speaker to CO_SPEAKER (if one exists)
const currentPrimary = localSpeakers.find(
(s) => s.speakerRole === 'PRIMARY_SPEAKER' && s.username !== speaker.username
);
Eif (currentPrimary) {
await removeMutation.mutateAsync({
eventCode: session.eventCode,
sessionSlug: session.sessionSlug,
username: currentPrimary.username,
});
const demoted = await assignMutation.mutateAsync({
eventCode: session.eventCode,
sessionSlug: session.sessionSlug,
request: { username: currentPrimary.username, speakerRole: 'CO_SPEAKER' },
});
setLocalSpeakers((prev) => [
...prev.filter((s) => s.username !== currentPrimary.username),
demoted,
]);
}
// Promote the selected speaker to PRIMARY_SPEAKER
await removeMutation.mutateAsync({
eventCode: session.eventCode,
sessionSlug: session.sessionSlug,
username: speaker.username,
});
const updated = await assignMutation.mutateAsync({
eventCode: session.eventCode,
sessionSlug: session.sessionSlug,
request: { username: speaker.username, speakerRole: 'PRIMARY_SPEAKER' },
});
setLocalSpeakers((prev) => [...prev.filter((s) => s.username !== speaker.username), updated]);
} catch (err) {
setActionError(
err instanceof Error
? err.message
: t('sessionEdit.speakers.setPrimaryError', 'Failed to set primary speaker')
);
} finally {
setMutatingUsername(null);
}
};
const handleAdd = async () => {
Iif (!selectedUser) {
setAddError(t('sessionEdit.speakers.userRequired', 'Please select a user'));
return;
}
setAddError(null);
try {
const newSpeaker = await assignMutation.mutateAsync({
eventCode: session.eventCode,
sessionSlug: session.sessionSlug,
request: { username: selectedUser.id, speakerRole: addRole },
});
setLocalSpeakers((prev) => [...prev, newSpeaker]);
// Clear form immediately — role grant is non-fatal
const userToGrant = selectedUser;
setSelectedUser(null);
// Grant SPEAKER role if not already present (fire-and-forget, non-fatal)
const existingRoles = (userToGrant.roles ?? []) as Role[];
if (!existingRoles.includes('SPEAKER')) {
updateUserRoles(userToGrant.id, [...existingRoles, 'SPEAKER']).catch((err) => {
console.error('Failed to grant SPEAKER role:', err);
});
}
} catch (err) {
setAddError(
err instanceof Error
? err.message
: t('sessionEdit.speakers.addError', 'Failed to add speaker')
);
}
};
// ─── User modal handlers (same pattern as ContentSubmissionDrawer) ───────────
const handleCreateUser = () => {
setEditingUser(null);
setUserModalOpen(true);
};
const handleUserModalClose = () => {
setUserModalOpen(false);
setEditingUser(null);
queryClient.invalidateQueries({ queryKey: ['users', 'search'] });
};
const handleUserModalSuccess = (createdOrUpdatedUser?: User) => {
if (createdOrUpdatedUser) {
setSelectedUser({
id: createdOrUpdatedUser.id,
email: createdOrUpdatedUser.email,
firstName: createdOrUpdatedUser.firstName,
lastName: createdOrUpdatedUser.lastName,
roles: createdOrUpdatedUser.roles,
profilePictureUrl: createdOrUpdatedUser.profilePictureUrl,
companyId: createdOrUpdatedUser.companyId,
});
}
handleUserModalClose();
};
// ─── Render ──────────────────────────────────────────────────────────────────
return (
<Box sx={{ display: 'flex', flexDirection: 'column', gap: 2, mt: 1 }}>
{/* Current Speakers */}
<Typography variant="subtitle2">
{t('sessionEdit.speakers.title', 'Session Speakers')}
</Typography>
{actionError && (
<Alert severity="error" onClose={() => setActionError(null)}>
{actionError}
</Alert>
)}
{localSpeakers.length === 0 ? (
<Typography variant="body2" color="text.secondary">
{t('sessionEdit.speakers.noSpeakers', 'No speakers assigned yet')}
</Typography>
) : (
<Stack spacing={1}>
{localSpeakers.map((speaker) => {
const isMutating = mutatingUsername === speaker.username;
const isPrimary = speaker.speakerRole === 'PRIMARY_SPEAKER';
return (
<Paper key={speaker.username} variant="outlined" sx={{ p: 1.5 }}>
<Box sx={{ display: 'flex', alignItems: 'center', gap: 1 }}>
{/* Avatar + name */}
<Box sx={{ flex: 1, minWidth: 0 }}>
<UserAvatar
firstName={speaker.firstName}
lastName={speaker.lastName}
company={speaker.company}
profilePictureUrl={speaker.profilePictureUrl}
size={36}
showCompany={true}
horizontal={true}
/>
</Box>
{/* Role + confirmed */}
<Box sx={{ display: 'flex', alignItems: 'center', gap: 0.5 }}>
<Chip
label={t(
`sessionEdit.speakers.roles.${speaker.speakerRole}`,
speaker.speakerRole
)}
size="small"
color={isPrimary ? 'primary' : 'default'}
icon={isPrimary ? <PrimaryIcon fontSize="small" /> : undefined}
/>
{speaker.isConfirmed && (
<ConfirmedIcon
fontSize="small"
color="success"
titleAccess={t('sessionEdit.speakers.confirmed', 'Confirmed')}
/>
)}
</Box>
{/* Actions */}
{isMutating ? (
<CircularProgress size={20} />
) : (
<>
{!isPrimary && (
<IconButton
size="small"
onClick={() => handleSetPrimary(speaker)}
title={t('sessionEdit.speakers.setPrimary', 'Set Primary')}
disabled={mutatingUsername !== null}
>
<SetPrimaryIcon fontSize="small" />
</IconButton>
)}
<IconButton
size="small"
color="error"
onClick={() => handleRemove(speaker)}
title={t('sessionEdit.speakers.remove', 'Remove')}
disabled={mutatingUsername !== null}
>
<RemoveIcon fontSize="small" />
</IconButton>
</>
)}
</Box>
</Paper>
);
})}
</Stack>
)}
<Divider />
{/* Add Speaker Form */}
<Typography variant="subtitle2">
{t('sessionEdit.speakers.addSpeaker', 'Add Speaker')}
</Typography>
{addError && (
<Alert severity="error" onClose={() => setAddError(null)}>
{addError}
</Alert>
)}
<Paper variant="outlined" sx={{ p: 2 }}>
<Box sx={{ display: 'flex', flexDirection: 'column', gap: 2 }}>
{/* User search */}
<UserAutocomplete
value={selectedUser}
onChange={(user) => {
setSelectedUser(user);
Iif (addError) setAddError(null);
}}
label={t('sessionEdit.speakers.searchUser', 'Search User')}
disabled={assignMutation.isPending}
data-testid="session-speaker-search"
/>
{/* Selected user preview */}
{selectedUser && (
<Box sx={{ p: 1, bgcolor: 'action.hover', borderRadius: 1 }}>
<UserAvatar
firstName={selectedUser.firstName}
lastName={selectedUser.lastName}
company={selectedUser.companyId}
profilePictureUrl={selectedUser.profilePictureUrl}
size={32}
showCompany={true}
horizontal={true}
/>
</Box>
)}
{/* Create new user shortcut */}
<Button
variant="outlined"
size="small"
onClick={handleCreateUser}
disabled={assignMutation.isPending}
>
{t('sessionEdit.speakers.createNewUser', '+ Create New User')}
</Button>
{/* Role selector */}
<FormControl size="small" fullWidth>
<InputLabel>{t('sessionEdit.speakers.roleLabel', 'Speaker Role')}</InputLabel>
<Select
value={addRole}
label={t('sessionEdit.speakers.roleLabel', 'Speaker Role')}
onChange={(e) => setAddRole(e.target.value as SpeakerRole)}
disabled={assignMutation.isPending}
>
{SPEAKER_ROLES.map((role) => (
<MenuItem key={role} value={role}>
{t(`sessionEdit.speakers.roles.${role}`, role)}
</MenuItem>
))}
</Select>
</FormControl>
{/* Add button */}
<Button
variant="contained"
onClick={handleAdd}
disabled={assignMutation.isPending || !selectedUser}
startIcon={assignMutation.isPending ? <CircularProgress size={20} /> : undefined}
>
{assignMutation.isPending
? t('common.saving', 'Saving...')
: t('sessionEdit.speakers.addSpeaker', 'Add Speaker')}
</Button>
</Box>
</Paper>
{/* User Create Modal */}
<UserCreateEditModal
open={userModalOpen}
onClose={handleUserModalClose}
onSuccess={handleUserModalSuccess}
user={(editingUser as User) || null}
/>
</Box>
);
};
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