377 lines
16 KiB
TypeScript
377 lines
16 KiB
TypeScript
import { useEffect, useState } from "react"
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import { Link } from "react-router-dom"
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import { FolderOpen, RefreshCw, BookOpen, Plus } from "lucide-react"
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import spinnerSrc from "../../assets/Circular-indeterminate progress indicator.svg"
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import alertSrc from "../../assets/Alert.svg"
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import { Card, CardContent, CardHeader, CardTitle } from "../../components/ui/card"
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import { Button } from "../../components/ui/button"
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import { Input } from "../../components/ui/input"
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import { Select } from "../../components/ui/select"
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import {
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Dialog,
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DialogContent,
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DialogDescription,
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DialogHeader,
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DialogTitle,
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} from "../../components/ui/dialog"
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import { getCourseCategories, createCourseCategory } from "../../api/courses.api"
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import type { CourseCategory } from "../../types/course.types"
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import { toast } from "sonner"
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export function CourseCategoryPage() {
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const [categories, setCategories] = useState<CourseCategory[]>([])
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const [loading, setLoading] = useState(true)
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const [error, setError] = useState<string | null>(null)
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const [createOpen, setCreateOpen] = useState(false)
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const [newCategoryName, setNewCategoryName] = useState("")
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const [creating, setCreating] = useState(false)
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const [parentCategoryId, setParentCategoryId] = useState<number | null>(null)
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const [newSubCategoryName, setNewSubCategoryName] = useState("")
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const [pendingSubCategories, setPendingSubCategories] = useState<string[]>([])
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const [searchQuery, setSearchQuery] = useState("")
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const fetchCategories = async () => {
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setLoading(true)
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setError(null)
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try {
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const res = await getCourseCategories()
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setCategories(res.data.data.categories)
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} catch (err) {
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console.error("Failed to fetch categories:", err)
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setError("Failed to load categories")
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} finally {
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setLoading(false)
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}
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}
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useEffect(() => {
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fetchCategories()
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}, [])
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const normalizedQuery = searchQuery.trim().toLowerCase()
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const filteredCategories = normalizedQuery
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? categories.filter((c) => c.name?.toLowerCase().includes(normalizedQuery))
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: categories
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if (loading) {
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return (
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<div className="flex flex-col items-center justify-center gap-4 py-24">
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<img src={spinnerSrc} alt="" className="h-10 w-10 animate-spin" />
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<span className="text-sm font-medium text-grayScale-400">Loading categories…</span>
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</div>
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)
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}
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if (error) {
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return (
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<div className="flex items-center justify-center py-24">
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<div className="flex flex-col items-center gap-4 rounded-2xl border border-red-100 bg-red-50/60 px-10 py-8 text-center shadow-sm">
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<img src={alertSrc} alt="" className="h-12 w-12" />
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<div>
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<p className="text-sm font-semibold text-red-700">{error}</p>
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<p className="mt-1 text-xs text-red-400">
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Please check your connection and try again
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</p>
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</div>
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<button
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onClick={fetchCategories}
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className="mt-1 inline-flex items-center gap-2 rounded-lg bg-red-500 px-4 py-2 text-xs font-medium text-white transition-colors hover:bg-red-600"
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>
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<RefreshCw className="h-3.5 w-3.5" />
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Retry
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</button>
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</div>
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</div>
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)
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}
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return (
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<div className="space-y-8">
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{/* Page header */}
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<div className="flex items-center justify-between gap-4">
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<div>
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<h1 className="text-xl font-semibold text-grayScale-600">Course Categories</h1>
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<p className="mt-1 text-sm text-grayScale-400">
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Browse and manage your course categories below
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</p>
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</div>
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<div className="w-full max-w-sm">
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<Input
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value={searchQuery}
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onChange={(e) => setSearchQuery(e.target.value)}
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placeholder="Search categories..."
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aria-label="Search categories"
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/>
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</div>
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<Button
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className="gap-2 bg-brand-500 text-white hover:bg-brand-600"
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size="sm"
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onClick={() => setCreateOpen(true)}
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>
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<Plus className="h-4 w-4" />
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New Category
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</Button>
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</div>
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{categories.length === 0 ? (
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<div className="flex flex-col items-center justify-center gap-5 rounded-2xl border border-dashed border-grayScale-200 bg-grayScale-50/50 py-24">
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<div className="relative">
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<div className="grid h-20 w-20 place-items-center rounded-2xl bg-gradient-to-br from-brand-100 to-brand-200 shadow-sm">
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<FolderOpen className="h-9 w-9 text-brand-500" />
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</div>
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<div className="absolute -bottom-1 -right-1 grid h-8 w-8 place-items-center rounded-lg bg-white shadow ring-1 ring-grayScale-100">
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<BookOpen className="h-4 w-4 text-grayScale-300" />
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</div>
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</div>
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<div className="text-center">
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<p className="text-sm font-semibold text-grayScale-500">No categories yet</p>
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<p className="mt-1 max-w-xs text-xs leading-relaxed text-grayScale-400">
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Course categories will appear here once created. Start by adding your first category.
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</p>
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</div>
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</div>
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) : filteredCategories.length === 0 ? (
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<div className="flex flex-col items-center justify-center gap-5 rounded-2xl border border-dashed border-grayScale-200 bg-grayScale-50/50 py-24">
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<div className="grid h-20 w-20 place-items-center rounded-2xl bg-grayScale-50 shadow-sm">
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<FolderOpen className="h-9 w-9 text-grayScale-300" />
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</div>
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<div className="text-center">
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<p className="text-sm font-semibold text-grayScale-500">No matching categories</p>
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<p className="mt-1 max-w-xs text-xs leading-relaxed text-grayScale-400">
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Try a different search term.
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</p>
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</div>
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</div>
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) : (
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<div className="grid gap-6 grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4">
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{filteredCategories.map((category) => (
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<Link
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key={category.id}
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to={`/content/category/${category.id}/courses`}
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className="group"
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>
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<Card className="relative h-full overflow-hidden border border-grayScale-100 shadow-sm transition-all duration-300 group-hover:scale-[1.02] group-hover:border-brand-200 group-hover:shadow-lg">
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{/* Decorative gradient strip */}
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<div className="h-1 w-full bg-gradient-to-r from-brand-500 to-brand-600 opacity-70 transition-opacity duration-300 group-hover:opacity-100" />
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<CardHeader className="pt-5">
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<div className="mb-4 grid h-12 w-12 place-items-center rounded-xl bg-gradient-to-br from-brand-100 to-brand-200 text-brand-600 shadow-sm transition-all duration-300 group-hover:from-brand-500 group-hover:to-brand-600 group-hover:text-white group-hover:shadow-md">
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<FolderOpen className="h-6 w-6" />
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</div>
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<CardTitle className="text-lg font-semibold text-grayScale-600 transition-colors group-hover:text-grayScale-700">
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{category.name}
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</CardTitle>
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</CardHeader>
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<CardContent>
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<span className="inline-flex items-center gap-1.5 text-sm font-medium text-brand-500 transition-colors group-hover:text-brand-600">
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View Sub-categories
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<span className="inline-block transition-transform duration-300 group-hover:translate-x-1">
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→
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</span>
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</span>
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</CardContent>
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</Card>
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</Link>
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))}
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</div>
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)}
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{/* Create category dialog */}
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<Dialog open={createOpen} onOpenChange={setCreateOpen}>
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<DialogContent className="max-w-2xl">
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<DialogHeader>
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<DialogTitle className="flex items-center gap-2">
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<Plus className="h-4 w-4 text-brand-500" />
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<span>Create course category</span>
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</DialogTitle>
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<DialogDescription>
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Add a new high-level bucket to organize your courses. You can also nest it under an existing parent category.
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</DialogDescription>
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</DialogHeader>
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<div className="mt-4 grid gap-6 md:grid-cols-[minmax(0,1.1fr)_minmax(0,1.4fr)]">
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<div className="space-y-4">
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<div>
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<label className="mb-1.5 block text-sm font-medium text-grayScale-600">
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Category name
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</label>
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<Input
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placeholder="e.g. Beginner English, Exam Prep"
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value={newCategoryName}
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onChange={(e) => setNewCategoryName(e.target.value)}
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/>
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</div>
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<div>
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<label className="mb-1.5 block text-sm font-medium text-grayScale-600">
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Parent category (optional)
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</label>
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<Select
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value={parentCategoryId ?? ""}
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onChange={(e) =>
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setParentCategoryId(e.target.value ? Number(e.target.value) : null)
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}
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>
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<option value="">No parent (top level)</option>
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{categories.map((cat) => (
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<option key={cat.id} value={cat.id}>
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{cat.name}
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</option>
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))}
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</Select>
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<p className="mt-1 text-[11px] text-grayScale-400">
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When left empty, this becomes a parent category. Any sub categories you add on the
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right will be created under it.
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</p>
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</div>
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</div>
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<div className="space-y-3">
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<div className="flex items-center justify-between gap-2">
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<p className="text-xs font-semibold text-grayScale-600">
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Sub categories for this category (optional)
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</p>
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{pendingSubCategories.length > 0 && (
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<span className="text-[11px] text-grayScale-400">
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{pendingSubCategories.length} sub categor
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{pendingSubCategories.length === 1 ? "y" : "ies"} to create
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</span>
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)}
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</div>
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<div className="flex gap-2">
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<Input
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placeholder="e.g. Grammar basics, Speaking, Exam practice"
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value={newSubCategoryName}
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onChange={(e) => setNewSubCategoryName(e.target.value)}
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className="h-9 text-sm"
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/>
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<Button
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type="button"
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size="sm"
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className="h-9 px-3 text-xs"
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onClick={() => {
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const name = newSubCategoryName.trim()
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if (!name) return
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if (pendingSubCategories.includes(name)) {
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setNewSubCategoryName("")
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return
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}
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setPendingSubCategories((prev) => [...prev, name])
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setNewSubCategoryName("")
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}}
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>
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Add
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</Button>
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</div>
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<div className="min-h-[3.5rem] rounded-lg border border-dashed border-grayScale-200 bg-grayScale-50/60 p-2">
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{pendingSubCategories.length === 0 ? (
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<p className="text-[11px] leading-relaxed text-grayScale-400">
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Added sub categories will appear here so you can visually confirm the structure
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before saving. This is optional.
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</p>
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) : (
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<div className="flex flex-wrap gap-1.5">
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{pendingSubCategories.map((name) => (
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<button
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key={name}
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type="button"
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className="group inline-flex items-center gap-1 rounded-full bg-white px-2 py-0.5 text-[11px] text-grayScale-600 shadow-sm ring-1 ring-grayScale-200 hover:bg-red-50 hover:text-red-600 hover:ring-red-200"
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onClick={() =>
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setPendingSubCategories((prev) =>
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prev.filter((subName) => subName !== name),
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)
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}
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>
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<span className="max-w-[160px] truncate">{name}</span>
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<span className="text-[10px] text-grayScale-300 group-hover:text-red-400">
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×
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</span>
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</button>
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))}
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</div>
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)}
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</div>
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</div>
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</div>
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<div className="mt-5 flex items-center justify-end gap-2">
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<Button
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variant="outline"
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onClick={() => {
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setCreateOpen(false)
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setNewCategoryName("")
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setParentCategoryId(null)
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setNewSubCategoryName("")
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setPendingSubCategories([])
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}}
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disabled={creating}
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>
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Cancel
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</Button>
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<Button
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className="bg-brand-500 text-white hover:bg-brand-600"
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disabled={creating || !newCategoryName.trim()}
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onClick={async () => {
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if (!newCategoryName.trim()) return
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setCreating(true)
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try {
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const name = newCategoryName.trim()
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const parentRes = await createCourseCategory({ name })
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let createdCategoryId: number | null = null
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try {
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const data: any = parentRes?.data
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createdCategoryId =
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data?.data?.id ??
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data?.data?.category?.id ??
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data?.data?.id ??
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data?.category?.id ??
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data?.id ??
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null
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} catch {
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createdCategoryId = null
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}
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if (createdCategoryId && pendingSubCategories.length > 0) {
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await Promise.all(
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pendingSubCategories.map((subName) =>
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createCourseCategory({ name: subName }),
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),
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)
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}
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toast.success("Category created", {
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description:
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pendingSubCategories.length > 0
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? `"${name}" and ${pendingSubCategories.length} sub categor${
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pendingSubCategories.length === 1 ? "y" : "ies"
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} have been added.`
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: `"${name}" has been added.`,
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})
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setNewCategoryName("")
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setParentCategoryId(null)
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setNewSubCategoryName("")
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setPendingSubCategories([])
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setCreateOpen(false)
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fetchCategories()
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} catch (err: any) {
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const message =
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err?.response?.data?.message ||
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"Failed to create category. Please try again."
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toast.error("Could not create category", {
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description: message,
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})
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} finally {
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setCreating(false)
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}
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}}
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>
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{creating ? "Creating..." : "Create"}
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</Button>
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</div>
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</DialogContent>
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</Dialog>
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</div>
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)
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}
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