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import { notify } from "../../../lib/notify";
import { useQueryClient } from "@tanstack/react-query";
import { Plus, Search } from "lucide-react";
import {
AdminPageHead,
AdminToolbar,
} from "../../../components/admin/AdminPageHead";
import { Alert } from "../../../components/ui/alert";
import { Card } from "../../../components/ui/card";
import { DrawerDialog } from "../../../components/ui/drawer-dialog";
import { Button } from "../../../components/ui/button";
import { Input } from "../../../components/ui/input";
import { adminApi } from "../../../lib/api/admin";
import type { BlogCategory } from "../../../lib/api/blogs";
import { useConfirmDialog } from "../../../hooks";
import { useAdminBlogCategories } from "../../../hooks/queries/useAdminBlogQueries";
import { queryKeys } from "../../../lib/query-keys";
import { Select } from "../../../components/ui/select";
import { Textarea } from "../../../components/ui/textarea";
import {
Table,
TableBody,
TableCaption,
TableCell,
TableHead,
TableHeader,
TableRow,
} from "../../../components/ui/table";
export function AdminBlogCategoriesPage() {
const queryClient = useQueryClient();
const { confirm, dialog: confirmDialog } = useConfirmDialog();
const {
data: categories = [],
isLoading,
error: loadErrorObj,
refetch,
} = useAdminBlogCategories();
const loadError = loadErrorObj ? "Failed to load categories" : null;
const [search, setSearch] = useState("");
const [showForm, setShowForm] = useState(false);
const [editingCategory, setEditingCategory] = useState<BlogCategory | null>(
null,
);
// Form state
const [formName, setFormName] = useState("");
const [formSlug, setFormSlug] = useState("");
const [formDescription, setFormDescription] = useState("");
const [formParentId, setFormParentId] = useState("");
const [formDisplayOrder, setFormDisplayOrder] = useState(0);
const filteredCategories = categories.filter((cat) =>
cat.name.toLowerCase().includes(search.toLowerCase()),
);
const handleCreate = () => {
setEditingCategory(null);
setFormName("");
setFormSlug("");
setFormDescription("");
setFormParentId("");
setFormDisplayOrder(0);
setShowForm(true);
};
const handleEdit = (category: BlogCategory) => {
setEditingCategory(category);
setFormName(category.name);
setFormSlug(category.slug);
setFormDescription(category.description || "");
setFormParentId(category.parentId || "");
setFormDisplayOrder(category.displayOrder);
setShowForm(true);
};
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
const data = {
name: formName,
slug: formSlug,
description: formDescription || undefined,
parentId: formParentId || undefined,
displayOrder: formDisplayOrder,
};
try {
if (editingCategory) {
await adminApi.updateBlogCategory(editingCategory.id, data);
} else {
await adminApi.createBlogCategory(data);
}
queryClient.invalidateQueries({
queryKey: queryKeys.admin.blogs.categories(),
});
setShowForm(false);
setEditingCategory(null);
} catch (err) {
console.error("Failed to save category:", err);
notify.error("Failed to save category. Please try again.");
}
};
const handleDelete = async (category: BlogCategory) => {
if (
!(await confirm({
title: "Delete category",
description: `Are you sure you want to delete "${category.name}"?`,
confirmLabel: "Delete",
variant: "destructive",
}))
)
return;
try {
await adminApi.deleteBlogCategory(category.id);
queryClient.invalidateQueries({
queryKey: queryKeys.admin.blogs.categories(),
});
} catch (err) {
console.error("Failed to delete category:", err);
notify.error("Failed to delete category. Please try again.");
}
};
const generateSlug = () => {
const autoSlug = formName
.toLowerCase()
.replace(/[^a-z0-9]+/g, "-")
.replace(/^-|-$/g, "");
setFormSlug(autoSlug);
};
// Build hierarchy for display
type CategoryNode = BlogCategory & { children: CategoryNode[] };
const buildHierarchy = (categories: BlogCategory[]): CategoryNode[] => {
const categoryMap = new Map<string, CategoryNode>();
const rootCategories: CategoryNode[] = [];
// Initialize map
for (const cat of categories) {
categoryMap.set(cat.id, { ...cat, children: [] });
}
// Build hierarchy
for (const cat of categoryMap.values()) {
if (cat.parentId && categoryMap.has(cat.parentId)) {
categoryMap.get(cat.parentId)?.children.push(cat);
} else {
rootCategories.push(cat);
}
}
// Sort by displayOrder
const sortByDisplayOrder = (items: CategoryNode[]) => {
items.sort((a, b) => a.displayOrder - b.displayOrder);
for (const item of items) {
if (item.children?.length > 0) {
sortByDisplayOrder(item.children);
}
}
};
sortByDisplayOrder(rootCategories);
return rootCategories;
};
const hierarchicalCategories = buildHierarchy(filteredCategories);
const renderCategoryRow = (
category: BlogCategory & { children?: BlogCategory[] },
level = 0,
): React.ReactNode => {
return (
<>
<TableRow key={category.id}>
<TableCell>
<div style={{ paddingLeft: `${level * 24}px` }}>
<p className="text-sm font-medium">{category.name}</p>
<p className="text-xs text-foreground-subtle">{category.slug}</p>
</div>
</TableCell>
<TableCell className="text-sm text-foreground-subtle">
{category.description || "-"}
</TableCell>
<TableCell className="text-sm text-center">
{category.displayOrder}
</TableCell>
<TableCell className="space-x-2 text-right">
<button
type="button"
onClick={() => handleEdit(category)}
className="text-primary-600 hover:text-primary-800 text-sm"
>
Edit
</button>
<button
type="button"
onClick={() => handleDelete(category)}
className="text-error hover:text-error-dark text-sm"
>
Delete
</button>
</TableCell>
</TableRow>
{category.children?.map((child) => renderCategoryRow(child, level + 1))}
</>
);
};
return (
<>
<div className="space-y-6">
<AdminPageHead
title="Blog Categories"
description="Manage blog category hierarchy"
actions={
<Button onClick={handleCreate}>
<Plus aria-hidden="true" />
Create Category
</Button>
}
/>
<AdminToolbar aria-label="Category filters">
<div className="relative min-w-56 grow">
<Search
aria-hidden="true"
className="pointer-events-none absolute left-3 top-1/2 size-4 -translate-y-1/2 text-foreground-subtle"
/>
<Input
aria-label="Search categories"
value={search}
onChange={(e) => setSearch(e.target.value)}
placeholder="Search categories..."
className="pl-10"
/>
</div>
</AdminToolbar>
{loadError && (
<Alert variant="error">
<span className="flex flex-wrap items-center justify-between gap-3">
<span>{loadError}</span>
<Button
variant="ghost"
size="sm"
onClick={() => {
refetch();
}}
>
Retry
</Button>
</span>
</Alert>
)}
{/* Categories Table */}
<Card className="overflow-hidden">
<Table density="dense">
<TableCaption>
Blog categories, with their slugs and post counts.
</TableCaption>
<TableHeader>
<TableRow>
<TableHead>Name</TableHead>
<TableHead>Description</TableHead>
<TableHead className="text-center">Order</TableHead>
<TableHead className="text-right">Actions</TableHead>
</TableRow>
</TableHeader>
<TableBody>
{isLoading ? (
<TableRow>
<TableCell colSpan={4} className="text-center text-sm">
Loading...
</TableCell>
</TableRow>
) : hierarchicalCategories.length === 0 && !loadError ? (
<TableRow>
<TableCell colSpan={4} className="text-center text-sm">
No categories found
</TableCell>
</TableRow>
) : (
hierarchicalCategories.map((cat) => renderCategoryRow(cat))
)}
</TableBody>
</Table>
</Card>
{/*
* Form — on the DrawerDialog primitive, which carries the focus
* trap, the Escape handler and the dialog role the hand-rolled
* overlay did not.
*/}
<DrawerDialog
open={showForm}
onClose={() => setShowForm(false)}
title={editingCategory ? "Edit Category" : "Create Category"}
>
<form onSubmit={handleSubmit} className="space-y-4">
<div>
<label
htmlFor="name"
className="mb-1.5 block text-xs font-semibold uppercase tracking-wider text-foreground-muted"
>
Name <span className="text-error">*</span>
</label>
<Input
id="name"
value={formName}
onChange={(e) => setFormName(e.target.value)}
onBlur={() => {
if (formName && !formSlug) {
generateSlug();
}
}}
required
/>
</div>
<div>
<label
htmlFor="slug"
className="mb-1.5 block text-xs font-semibold uppercase tracking-wider text-foreground-muted"
>
Slug <span className="text-error">*</span>
</label>
<div className="flex gap-2">
<Input
id="slug"
value={formSlug}
onChange={(e) => setFormSlug(e.target.value)}
required
/>
<button
type="button"
onClick={generateSlug}
className="px-4 py-2 text-sm border border-border-default rounded-md hover:bg-background-muted whitespace-nowrap"
>
Generate
</button>
</div>
</div>
<div>
<label
htmlFor="description"
className="mb-1.5 block text-xs font-semibold uppercase tracking-wider text-foreground-muted"
>
Description
</label>
<Textarea
id="description"
value={formDescription}
onChange={(e) => setFormDescription(e.target.value)}
rows={3}
className="w-full"
/>
</div>
<div>
<label
htmlFor="parentId"
className="mb-1.5 block text-xs font-semibold uppercase tracking-wider text-foreground-muted"
>
Parent Category
</label>
<Select
id="parentId"
value={formParentId}
onChange={(e) => setFormParentId(e.target.value)}
className="w-full"
>
<option value="">None (Top Level)</option>
{categories
.filter((c) => c.id !== editingCategory?.id)
.map((cat) => (
<option key={cat.id} value={cat.id}>
{cat.name}
</option>
))}
</Select>
</div>
<div>
<label
htmlFor="displayOrder"
className="mb-1.5 block text-xs font-semibold uppercase tracking-wider text-foreground-muted"
>
Display Order
</label>
<Input
id="displayOrder"
type="number"
value={formDisplayOrder}
onChange={(e) =>
setFormDisplayOrder(Number.parseInt(e.target.value, 10))
}
/>
</div>
<div className="flex gap-3 border-t border-border-default pt-4">
<Button type="submit" className="flex-1">
{editingCategory ? "Update" : "Create"}
</Button>
<Button
type="button"
variant="outline"
onClick={() => setShowForm(false)}
className="flex-1"
>
Cancel
</Button>
</div>
</form>
</DrawerDialog>
</div>
{confirmDialog}
</>
);
}
|