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'use client'
import { useState, useMemo, useRef, useCallback, useEffect } from 'react'
import { SourceListResponse } from '@/lib/types/api'
import { Button } from '@/components/ui/button'
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
import {
DropdownMenu,
DropdownMenuContent,
DropdownMenuItem,
DropdownMenuTrigger,
} from '@/components/ui/dropdown-menu'
import { Plus, FileText, Link2, ChevronDown, Loader2 } from 'lucide-react'
import { LoadingSpinner } from '@/components/common/LoadingSpinner'
import { EmptyState } from '@/components/common/EmptyState'
import { AddSourceDialog } from '@/components/sources/AddSourceDialog'
import { AddExistingSourceDialog } from '@/components/sources/AddExistingSourceDialog'
import { SourceCard } from '@/components/sources/SourceCard'
import { useDeleteSource, useRetrySource, useRemoveSourceFromNotebook } from '@/lib/hooks/use-sources'
import { ConfirmDialog } from '@/components/common/ConfirmDialog'
import { useModalManager } from '@/lib/hooks/use-modal-manager'
import { ContextMode } from '../[id]/page'
import { CollapsibleColumn, createCollapseButton } from '@/components/notebooks/CollapsibleColumn'
import { useNotebookColumnsStore } from '@/lib/stores/notebook-columns-store'
interface SourcesColumnProps {
sources?: SourceListResponse[]
isLoading: boolean
notebookId: string
notebookName?: string
onRefresh?: () => void
contextSelections?: Record<string, ContextMode>
onContextModeChange?: (sourceId: string, mode: ContextMode) => void
// Pagination props
hasNextPage?: boolean
isFetchingNextPage?: boolean
fetchNextPage?: () => void
}
export function SourcesColumn({
sources,
isLoading,
notebookId,
onRefresh,
contextSelections,
onContextModeChange,
hasNextPage,
isFetchingNextPage,
fetchNextPage,
}: SourcesColumnProps) {
const [dropdownOpen, setDropdownOpen] = useState(false)
const [addDialogOpen, setAddDialogOpen] = useState(false)
const [addExistingDialogOpen, setAddExistingDialogOpen] = useState(false)
const [deleteDialogOpen, setDeleteDialogOpen] = useState(false)
const [sourceToDelete, setSourceToDelete] = useState<string | null>(null)
const [removeDialogOpen, setRemoveDialogOpen] = useState(false)
const [sourceToRemove, setSourceToRemove] = useState<string | null>(null)
const { openModal } = useModalManager()
const deleteSource = useDeleteSource()
const retrySource = useRetrySource()
const removeFromNotebook = useRemoveSourceFromNotebook()
// Collapsible column state
const { sourcesCollapsed, toggleSources } = useNotebookColumnsStore()
const collapseButton = useMemo(
() => createCollapseButton(toggleSources, 'Sources'),
[toggleSources]
)
// Scroll container ref for infinite scroll
const scrollContainerRef = useRef<HTMLDivElement>(null)
// Handle scroll for infinite loading
const handleScroll = useCallback(() => {
const container = scrollContainerRef.current
if (!container || !hasNextPage || isFetchingNextPage || !fetchNextPage) return
const { scrollTop, scrollHeight, clientHeight } = container
// Load more when user scrolls within 200px of the bottom
if (scrollHeight - scrollTop - clientHeight < 200) {
fetchNextPage()
}
}, [hasNextPage, isFetchingNextPage, fetchNextPage])
// Attach scroll listener
useEffect(() => {
const container = scrollContainerRef.current
if (!container) return
container.addEventListener('scroll', handleScroll)
return () => container.removeEventListener('scroll', handleScroll)
}, [handleScroll])
const handleDeleteClick = (sourceId: string) => {
setSourceToDelete(sourceId)
setDeleteDialogOpen(true)
}
const handleDeleteConfirm = async () => {
if (!sourceToDelete) return
try {
await deleteSource.mutateAsync(sourceToDelete)
setDeleteDialogOpen(false)
setSourceToDelete(null)
onRefresh?.()
} catch (error) {
console.error('Failed to delete source:', error)
}
}
const handleRemoveFromNotebook = (sourceId: string) => {
setSourceToRemove(sourceId)
setRemoveDialogOpen(true)
}
const handleRemoveConfirm = async () => {
if (!sourceToRemove) return
try {
await removeFromNotebook.mutateAsync({
notebookId,
sourceId: sourceToRemove
})
setRemoveDialogOpen(false)
setSourceToRemove(null)
} catch (error) {
console.error('Failed to remove source from notebook:', error)
// Error toast is handled by the hook
}
}
const handleRetry = async (sourceId: string) => {
try {
await retrySource.mutateAsync(sourceId)
} catch (error) {
console.error('Failed to retry source:', error)
}
}
const handleSourceClick = (sourceId: string) => {
openModal('source', sourceId)
}
return (
<>
<CollapsibleColumn
isCollapsed={sourcesCollapsed}
onToggle={toggleSources}
collapsedIcon={FileText}
collapsedLabel="Sources"
>
<Card className="h-full flex flex-col flex-1 overflow-hidden">
<CardHeader className="pb-3 flex-shrink-0">
<div className="flex items-center justify-between gap-2">
<CardTitle className="text-lg">Sources</CardTitle>
<div className="flex items-center gap-2">
<DropdownMenu open={dropdownOpen} onOpenChange={setDropdownOpen}>
<DropdownMenuTrigger asChild>
<Button size="sm">
<Plus className="h-4 w-4 mr-2" />
Add Source
<ChevronDown className="h-4 w-4 ml-2" />
</Button>
</DropdownMenuTrigger>
<DropdownMenuContent align="end">
<DropdownMenuItem onClick={() => { setDropdownOpen(false); setAddDialogOpen(true); }}>
<Plus className="h-4 w-4 mr-2" />
Add New Source
</DropdownMenuItem>
<DropdownMenuItem onClick={() => { setDropdownOpen(false); setAddExistingDialogOpen(true); }}>
<Link2 className="h-4 w-4 mr-2" />
Add Existing Source
</DropdownMenuItem>
</DropdownMenuContent>
</DropdownMenu>
{collapseButton}
</div>
</div>
</CardHeader>
<CardContent ref={scrollContainerRef} className="flex-1 overflow-y-auto min-h-0">
{isLoading ? (
<div className="flex items-center justify-center py-8">
<LoadingSpinner />
</div>
) : !sources || sources.length === 0 ? (
<EmptyState
icon={FileText}
title="No sources yet"
description="Add your first source to start building your knowledge base."
/>
) : (
<div className="space-y-3">
{sources.map((source) => (
<SourceCard
key={source.id}
source={source}
onClick={handleSourceClick}
onDelete={handleDeleteClick}
onRetry={handleRetry}
onRemoveFromNotebook={handleRemoveFromNotebook}
onRefresh={onRefresh}
showRemoveFromNotebook={true}
contextMode={contextSelections?.[source.id]}
onContextModeChange={onContextModeChange
? (mode) => onContextModeChange(source.id, mode)
: undefined
}
/>
))}
{/* Loading indicator for infinite scroll */}
{isFetchingNextPage && (
<div className="flex items-center justify-center py-4">
<Loader2 className="h-5 w-5 animate-spin text-muted-foreground" />
</div>
)}
</div>
)}
</CardContent>
</Card>
</CollapsibleColumn>
<AddSourceDialog
open={addDialogOpen}
onOpenChange={setAddDialogOpen}
defaultNotebookId={notebookId}
/>
<AddExistingSourceDialog
open={addExistingDialogOpen}
onOpenChange={setAddExistingDialogOpen}
notebookId={notebookId}
onSuccess={onRefresh}
/>
<ConfirmDialog
open={deleteDialogOpen}
onOpenChange={setDeleteDialogOpen}
title="Delete Source"
description="Are you sure you want to delete this source? This action cannot be undone."
confirmText="Delete"
onConfirm={handleDeleteConfirm}
isLoading={deleteSource.isPending}
confirmVariant="destructive"
/>
<ConfirmDialog
open={removeDialogOpen}
onOpenChange={setRemoveDialogOpen}
title="Remove Source from Notebook"
description="Are you sure you want to remove this source from the notebook? The source itself will not be deleted."
confirmText="Remove"
onConfirm={handleRemoveConfirm}
isLoading={removeFromNotebook.isPending}
confirmVariant="default"
/>
</>
)
}
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