refine empty-state layout and enable first path creation

Adopt a structured empty-state layout similar to sub-category management screens, auto-create the Human Language category when missing, hide level listing until a path exists, and surface first-path creation clearly.

Made-with: Cursor
This commit is contained in:
Yared Yemane 2026-04-07 07:04:24 -07:00
parent e6adf2850e
commit 383886156c

View File

@ -1,10 +1,10 @@
import { useEffect, useMemo, useState } from "react"
import { Link } from "react-router-dom"
import { BookOpen, ChevronDown, ChevronRight, Languages, Loader2, Plus } from "lucide-react"
import { BookOpen, ChevronDown, ChevronRight, Languages, Loader2, Plus, Search } from "lucide-react"
import { Card, CardContent, CardHeader, CardTitle } from "../../components/ui/card"
import { Button } from "../../components/ui/button"
import { SpinnerIcon } from "../../components/ui/spinner-icon"
import { createCourse, createHumanLanguageLesson, getHumanLanguageHierarchy } from "../../api/courses.api"
import { createCourse, createCourseCategory, createHumanLanguageLesson, getHumanLanguageHierarchy } from "../../api/courses.api"
import type { HumanLanguageCourseTree, HumanLanguageSubCategoryTree } from "../../types/course.types"
import { toast } from "sonner"
@ -22,6 +22,7 @@ export function HumanLanguagePage() {
const [creatingKey, setCreatingKey] = useState<string | null>(null)
const [quickSubCategoryName, setQuickSubCategoryName] = useState("")
const [quickCourseName, setQuickCourseName] = useState("")
const [quickSearch, setQuickSearch] = useState("")
const [quickCreating, setQuickCreating] = useState(false)
const loadHierarchy = async () => {
@ -151,19 +152,24 @@ export function HumanLanguagePage() {
}
const handleQuickCreatePath = async () => {
if (!categoryId) {
toast.error("Human Language category is not available")
return
}
if (!quickSubCategoryName.trim() || !quickCourseName.trim()) {
toast.error("Subcategory and course names are required")
return
}
setQuickCreating(true)
try {
let effectiveCategoryId = categoryId
if (!effectiveCategoryId) {
const createdCategory = await createCourseCategory({ name: "Human Language" })
effectiveCategoryId = createdCategory.data?.data?.id ?? null
setCategoryId(effectiveCategoryId)
}
if (!effectiveCategoryId) {
throw new Error("Missing human language category id")
}
const title = `${quickSubCategoryName.trim()} - ${quickCourseName.trim()}`
await createCourse({
category_id: categoryId,
category_id: effectiveCategoryId,
title,
description: `${quickSubCategoryName.trim()} / ${quickCourseName.trim()}`,
})
@ -268,154 +274,166 @@ export function HumanLanguagePage() {
) : (
<div className="space-y-3">
{availableCourses.length === 0 ? (
<Card className="border-grayScale-200/80">
<CardContent className="flex flex-col items-start gap-3 p-4">
<p className="text-sm text-grayScale-600">
No Human Language subcategory/course is available yet. Create the language course path first, then you can add incremental modules and sub-modules per level.
</p>
<div className="grid w-full grid-cols-1 gap-2 md:grid-cols-3">
<Card className="overflow-hidden border-grayScale-200/80">
<div className="flex items-center justify-between border-b border-grayScale-100 bg-white px-5 py-4">
<h3 className="text-lg font-semibold text-grayScale-800">Sub-category Management</h3>
<div className="relative w-full max-w-sm">
<Search className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-grayScale-400" />
<input
className="h-10 rounded-md border border-grayScale-200 bg-white px-3 text-sm"
placeholder="Subcategory (e.g., English)"
value={quickSubCategoryName}
onChange={(e) => setQuickSubCategoryName(e.target.value)}
className="h-11 w-full rounded-xl border border-grayScale-200 bg-white pl-9 pr-3 text-sm"
placeholder="Search sub-categories..."
value={quickSearch}
onChange={(e) => setQuickSearch(e.target.value)}
/>
<input
className="h-10 rounded-md border border-grayScale-200 bg-white px-3 text-sm"
placeholder="Course (e.g., Speaking)"
value={quickCourseName}
onChange={(e) => setQuickCourseName(e.target.value)}
/>
<Button onClick={handleQuickCreatePath} disabled={quickCreating || !categoryId}>
{quickCreating ? "Creating..." : "Quick Create Path"}
</Button>
</div>
<div className="flex flex-wrap gap-2">
<Link to="/content/courses">
<Button variant="outline">Open Courses</Button>
</Link>
{categoryId ? (
<Link to={`/content/category/${categoryId}/courses`}>
<Button>Open Human Language Courses</Button>
</Link>
) : null}
</div>
<CardContent className="p-5">
<div className="rounded-2xl border border-dashed border-grayScale-300 bg-grayScale-50/20 px-6 py-10 text-center">
<div className="mx-auto mb-4 grid h-12 w-12 place-items-center rounded-full bg-brand-100 text-brand-700">
<Languages className="h-6 w-6" />
</div>
<h4 className="text-xl font-semibold text-grayScale-800">No sub-categories yet</h4>
<p className="mt-2 text-sm text-grayScale-500">
Create your first human-language path. Level listing will appear automatically after creation.
</p>
<div className="mx-auto mt-5 grid max-w-3xl grid-cols-1 gap-2 md:grid-cols-3">
<input
className="h-10 rounded-md border border-grayScale-200 bg-white px-3 text-sm"
placeholder="Subcategory (e.g., English)"
value={quickSubCategoryName}
onChange={(e) => setQuickSubCategoryName(e.target.value)}
/>
<input
className="h-10 rounded-md border border-grayScale-200 bg-white px-3 text-sm"
placeholder="Course (e.g., Speaking)"
value={quickCourseName}
onChange={(e) => setQuickCourseName(e.target.value)}
/>
<Button onClick={handleQuickCreatePath} disabled={quickCreating}>
{quickCreating ? "Creating..." : "Add your first sub-category"}
</Button>
</div>
</div>
</CardContent>
</Card>
) : null}
{CEFR_LEVELS.filter((l) => selectedLevel === "ALL" || l === selectedLevel).map((level) => {
const modulesByCourse = selectedCourses
.map((course: HumanLanguageCourseTree) => {
const levelNode = course.levels.find((item) => item.level.toUpperCase() === level)
return {
course,
modules: levelNode?.modules ?? [],
}
})
return (
<Card key={level} className="overflow-hidden border-grayScale-200/80 shadow-sm">
<button
type="button"
className="flex w-full items-center justify-between border-b border-grayScale-100 bg-grayScale-50/60 px-4 py-3 text-left"
onClick={() => toggleLevel(level)}
>
<div className="inline-flex items-center gap-2">
{collapsedLevels.includes(level) ? <ChevronRight className="h-4 w-4" /> : <ChevronDown className="h-4 w-4" />}
<span className="text-sm font-semibold text-grayScale-900">{level}</span>
<span className="rounded-md bg-brand-100 px-2 py-0.5 text-xs font-medium text-brand-700">
{modulesByCourse.reduce((sum, entry) => sum + entry.modules.length, 0)} module(s)
</span>
</div>
</button>
{!collapsedLevels.includes(level) ? (
<CardContent className="space-y-3 p-4">
{modulesByCourse.length === 0 ? (
<p className="text-sm text-grayScale-500">No lessons found for this level.</p>
) : (
modulesByCourse.map((entry) => (
<div key={entry.course.course_id} className="space-y-2 rounded-xl border border-grayScale-200 bg-white p-3">
<div className="flex items-center justify-between gap-2">
<p className="text-sm font-semibold text-brand-700">{entry.course.course_name}</p>
<Button
size="sm"
variant="outline"
onClick={() => handleCreateModule(entry.course.course_id, level, entry.modules)}
disabled={creatingKey === `module-${entry.course.course_id}-${level}`}
>
{creatingKey === `module-${entry.course.course_id}-${level}` ? (
<Loader2 className="h-3.5 w-3.5 animate-spin" />
) : (
<Plus className="h-3.5 w-3.5" />
)}
Add Module
</Button>
</div>
<div className="space-y-2">
{entry.modules.length === 0 ? (
<p className="text-xs text-grayScale-500">No modules yet. Use Add Module to start.</p>
) : (
entry.modules.map((module) => (
<div key={module.id} className="rounded-lg border border-grayScale-100 bg-grayScale-50/60 p-3">
<div className="flex items-center justify-between gap-2">
<p className="text-sm font-semibold text-grayScale-900">Module: {module.title}</p>
<Button
size="sm"
variant="outline"
onClick={() =>
handleCreateSubModule(entry.course.course_id, level, module.title, module.sub_modules)
}
disabled={creatingKey === `submodule-${entry.course.course_id}-${level}-${parseModuleNumber(module.title) ?? 0}`}
>
{creatingKey === `submodule-${entry.course.course_id}-${level}-${parseModuleNumber(module.title) ?? 0}` ? (
<Loader2 className="h-3.5 w-3.5 animate-spin" />
) : (
<Plus className="h-3.5 w-3.5" />
)}
Add Sub-module
</Button>
</div>
{module.sub_modules.map((subModule) => (
<div key={subModule.id} className="mt-2 rounded-md border border-grayScale-100 bg-white p-2">
<div className="flex flex-wrap items-center justify-between gap-2">
<p className="text-xs font-semibold text-grayScale-700">Sub-module: {subModule.title}</p>
{categoryId ? (
<div className="flex gap-2">
<Link to={`/content/category/${categoryId}/courses/${entry.course.course_id}/sub-courses/${subModule.id}`}>
<Button size="sm" variant="outline">Manage lesson videos/audio</Button>
</Link>
<Link to={`/content/category/${categoryId}/courses/${entry.course.course_id}/sub-courses/${subModule.id}/add-practice`}>
<Button size="sm">Add practice/audio questions</Button>
</Link>
</div>
) : null}
</div>
<div className="mt-2 flex flex-wrap gap-2">
{subModule.videos.map((video) => (
<div key={video.id} className="inline-flex items-center gap-2 rounded-md bg-grayScale-50 px-2 py-1 text-xs text-grayScale-700">
<BookOpen className="h-3.5 w-3.5" />
{video.title}
</div>
))}
{subModule.practices.map((practice) => (
<div key={practice.id} className="rounded-md bg-brand-50 px-2 py-1 text-xs text-brand-700">
Practice: {practice.title} ({practice.question_count} audio question(s))
</div>
))}
</div>
</div>
))}
</div>
))
)}
</div>
{availableCourses.length > 0
? CEFR_LEVELS.filter((l) => selectedLevel === "ALL" || l === selectedLevel).map((level) => {
const modulesByCourse = selectedCourses
.map((course: HumanLanguageCourseTree) => {
const levelNode = course.levels.find((item) => item.level.toUpperCase() === level)
return {
course,
modules: levelNode?.modules ?? [],
}
})
.filter((entry) => entry.modules.length > 0 || selectedCourses.length > 0)
return (
<Card key={level} className="overflow-hidden border-grayScale-200/80 shadow-sm">
<button
type="button"
className="flex w-full items-center justify-between border-b border-grayScale-100 bg-grayScale-50/60 px-4 py-3 text-left"
onClick={() => toggleLevel(level)}
>
<div className="inline-flex items-center gap-2">
{collapsedLevels.includes(level) ? <ChevronRight className="h-4 w-4" /> : <ChevronDown className="h-4 w-4" />}
<span className="text-sm font-semibold text-grayScale-900">{level}</span>
<span className="rounded-md bg-brand-100 px-2 py-0.5 text-xs font-medium text-brand-700">
{modulesByCourse.reduce((sum, entry) => sum + entry.modules.length, 0)} module(s)
</span>
</div>
))
)}
</CardContent>
) : null}
</Card>
)
})}
</button>
{!collapsedLevels.includes(level) ? (
<CardContent className="space-y-3 p-4">
{modulesByCourse.length === 0 ? (
<p className="text-sm text-grayScale-500">No lessons found for this level.</p>
) : (
modulesByCourse.map((entry) => (
<div key={entry.course.course_id} className="space-y-2 rounded-xl border border-grayScale-200 bg-white p-3">
<div className="flex items-center justify-between gap-2">
<p className="text-sm font-semibold text-brand-700">{entry.course.course_name}</p>
<Button
size="sm"
variant="outline"
onClick={() => handleCreateModule(entry.course.course_id, level, entry.modules)}
disabled={creatingKey === `module-${entry.course.course_id}-${level}`}
>
{creatingKey === `module-${entry.course.course_id}-${level}` ? (
<Loader2 className="h-3.5 w-3.5 animate-spin" />
) : (
<Plus className="h-3.5 w-3.5" />
)}
Add Module
</Button>
</div>
<div className="space-y-2">
{entry.modules.length === 0 ? (
<p className="text-xs text-grayScale-500">No modules yet. Use Add Module to start.</p>
) : (
entry.modules.map((module) => (
<div key={module.id} className="rounded-lg border border-grayScale-100 bg-grayScale-50/60 p-3">
<div className="flex items-center justify-between gap-2">
<p className="text-sm font-semibold text-grayScale-900">Module: {module.title}</p>
<Button
size="sm"
variant="outline"
onClick={() =>
handleCreateSubModule(entry.course.course_id, level, module.title, module.sub_modules)
}
disabled={creatingKey === `submodule-${entry.course.course_id}-${level}-${parseModuleNumber(module.title) ?? 0}`}
>
{creatingKey === `submodule-${entry.course.course_id}-${level}-${parseModuleNumber(module.title) ?? 0}` ? (
<Loader2 className="h-3.5 w-3.5 animate-spin" />
) : (
<Plus className="h-3.5 w-3.5" />
)}
Add Sub-module
</Button>
</div>
{module.sub_modules.map((subModule) => (
<div key={subModule.id} className="mt-2 rounded-md border border-grayScale-100 bg-white p-2">
<div className="flex flex-wrap items-center justify-between gap-2">
<p className="text-xs font-semibold text-grayScale-700">Sub-module: {subModule.title}</p>
{categoryId ? (
<div className="flex gap-2">
<Link to={`/content/category/${categoryId}/courses/${entry.course.course_id}/sub-courses/${subModule.id}`}>
<Button size="sm" variant="outline">Manage lesson videos/audio</Button>
</Link>
<Link to={`/content/category/${categoryId}/courses/${entry.course.course_id}/sub-courses/${subModule.id}/add-practice`}>
<Button size="sm">Add practice/audio questions</Button>
</Link>
</div>
) : null}
</div>
<div className="mt-2 flex flex-wrap gap-2">
{subModule.videos.map((video) => (
<div key={video.id} className="inline-flex items-center gap-2 rounded-md bg-grayScale-50 px-2 py-1 text-xs text-grayScale-700">
<BookOpen className="h-3.5 w-3.5" />
{video.title}
</div>
))}
{subModule.practices.map((practice) => (
<div key={practice.id} className="rounded-md bg-brand-50 px-2 py-1 text-xs text-brand-700">
Practice: {practice.title} ({practice.question_count} audio question(s))
</div>
))}
</div>
</div>
))}
</div>
))
)}
</div>
</div>
))
)}
</CardContent>
) : null}
</Card>
)
})
: null}
</div>
)}
</div>