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* Speaker Pool React Query Hooks (Story 5.2 - Task 7b)
*
* Custom hooks for speaker pool data fetching and mutations
* Features:
* - React Query for server state caching
* - Automatic cache invalidation on updates
* - Per-event caching strategy
*/
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { speakerPoolService } from '@/services/speakerPoolService';
import type {
AddSpeakerToPoolRequest,
PatchSpeakerPoolRequest,
PromoteSpeakerRequest,
SendInvitationRequest,
SendReminderRequest,
} from '@/types/speakerPool.types';
/**
* Query key factory for speaker pool
* Centralizes query key management for cache invalidation
*/
export const speakerPoolKeys = {
all: ['speakerPool'] as const,
lists: () => [...speakerPoolKeys.all, 'list'] as const,
list: (eventCode: string) => [...speakerPoolKeys.lists(), eventCode] as const,
};
/**
* Hook to fetch speaker pool for an event
*
* @param eventCode Event code (e.g., "BATbern56")
* @returns Query result with list of speaker pool entries
* @example
* const { data: speakerPool, isLoading } = useSpeakerPool('BATbern56');
*/
export function useSpeakerPool(eventCode: string) {
return useQuery({
queryKey: speakerPoolKeys.list(eventCode),
queryFn: () => speakerPoolService.getSpeakerPool(eventCode),
enabled: !!eventCode,
staleTime: 1000 * 60 * 2, // 2 minutes - pool changes frequently during brainstorming
});
}
/**
* Hook to add speaker to event pool (AC9-12, ORGANIZER only)
*
* @returns Mutation object with mutate function
* @example
* const addMutation = useAddSpeakerToPool();
* addMutation.mutate({
* eventCode: 'BATbern56',
* request: { speakerName: 'John Doe', company: 'ACME', expertise: 'Cloud', ... }
* });
*/
export function useAddSpeakerToPool() {
const queryClient = useQueryClient();
return useMutation({
mutationFn: ({ eventCode, request }: { eventCode: string; request: AddSpeakerToPoolRequest }) =>
speakerPoolService.addSpeakerToPool(eventCode, request),
onSuccess: (_data, variables) => {
// Invalidate speaker pool list for this event to refetch
queryClient.invalidateQueries({
queryKey: speakerPoolKeys.list(variables.eventCode),
});
// Also invalidate status summary since counts have changed
queryClient.invalidateQueries({
queryKey: ['speakerStatusSummary', variables.eventCode],
});
},
});
}
/**
* Hook to delete speaker from event pool (ORGANIZER only)
*
* @returns Mutation object with mutate function
* @example
* const deleteMutation = useDeleteSpeakerFromPool();
* deleteMutation.mutate({ eventCode: 'BATbern56', speakerId: 'uuid-here' });
*/
/**
* Hook to patch a speaker pool entry (e.g. reassign organizer).
*/
export function usePatchSpeakerPool() {
const queryClient = useQueryClient();
return useMutation({
mutationFn: ({
eventCode,
speakerId,
request,
}: {
eventCode: string;
speakerId: string;
request: PatchSpeakerPoolRequest;
}) => speakerPoolService.patchSpeakerPool(eventCode, speakerId, request),
onSuccess: (_data, variables) => {
queryClient.invalidateQueries({
queryKey: speakerPoolKeys.list(variables.eventCode),
});
},
});
}
/**
* Hook to promote a CONTACTED speaker to READY (Story 11.D.1).
*
* Drives the workflow transition + User provisioning server-side. On success,
* invalidates the speaker pool list AND the speaker status summary so the kanban + the
* dashboard pick up the speaker's new state.
*
* @returns Mutation object with mutate function
*/
export function usePromoteSpeakerToReady() {
const queryClient = useQueryClient();
return useMutation({
mutationFn: ({
eventCode,
speakerId,
request,
}: {
eventCode: string;
speakerId: string;
request: PromoteSpeakerRequest;
}) => speakerPoolService.promoteToSpeaker(eventCode, speakerId, request),
onSuccess: (_data, variables) => {
queryClient.invalidateQueries({
queryKey: speakerPoolKeys.list(variables.eventCode),
});
queryClient.invalidateQueries({
queryKey: ['speakerStatusSummary', variables.eventCode],
});
// Epic 11 bug fix 2026-05-19 — promote writes a CONTACTED→READY status_history row
// server-side; invalidate the history feed so the drawer's History tab refreshes.
queryClient.invalidateQueries({
queryKey: ['speakerStatusHistory', variables.eventCode, variables.speakerId],
});
},
});
}
export function useDeleteSpeakerFromPool() {
const queryClient = useQueryClient();
return useMutation({
mutationFn: ({ eventCode, speakerId }: { eventCode: string; speakerId: string }) =>
speakerPoolService.deleteSpeakerFromPool(eventCode, speakerId),
onSuccess: (_data, variables) => {
// Invalidate speaker pool list for this event to refetch
queryClient.invalidateQueries({
queryKey: speakerPoolKeys.list(variables.eventCode),
});
},
});
}
/**
* Hook to send invitation to speaker (Story 6.1c, ORGANIZER only)
*
* Transitions speaker from IDENTIFIED to INVITED state and sends invitation email.
*
* @param eventCode Event code (e.g., "BATbern56")
* @returns Mutation object with mutate function
* @example
* const sendInvitation = useSendInvitation('BATbern56');
* sendInvitation.mutate({
* username: 'speaker-uuid',
* options: { personalMessage: 'Looking forward to your talk!' }
* });
*/
export function useSendInvitation(eventCode: string) {
const queryClient = useQueryClient();
return useMutation({
mutationFn: ({ username, options }: { username: string; options?: SendInvitationRequest }) =>
speakerPoolService.sendInvitation(eventCode, username, options),
onSuccess: () => {
// Invalidate speaker pool list for this event to refetch (speaker moves to INVITED)
queryClient.invalidateQueries({
queryKey: speakerPoolKeys.list(eventCode),
});
// Also invalidate status summary since counts have changed
queryClient.invalidateQueries({
queryKey: ['speakerStatusSummary', eventCode],
});
},
});
}
/**
* Hook to send reminder to speaker (Story 6.5, ORGANIZER only)
*
* Sends a deadline reminder email to an invited or accepted speaker.
*
* @param eventCode Event code (e.g., "BATbern56")
* @returns Mutation object with mutate function
* @example
* const sendReminder = useSendReminder('BATbern56');
* sendReminder.mutate({
* speakerPoolId: 'uuid-here',
* request: { reminderType: 'RESPONSE' }
* });
*/
export function useSendReminder(eventCode: string) {
const queryClient = useQueryClient();
return useMutation({
mutationFn: ({
speakerPoolId,
request,
}: {
speakerPoolId: string;
request: SendReminderRequest;
}) => speakerPoolService.sendReminder(eventCode, speakerPoolId, request),
onSuccess: () => {
// Invalidate speaker pool list to refetch updated data
queryClient.invalidateQueries({
queryKey: speakerPoolKeys.list(eventCode),
});
},
});
}
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