feat: implement 52-week annual curriculum system with admin management and automated topic progression

src/pages/Leren.jsx

@@ -1,5 +1,5 @@
 import React, { useState, useEffect } from 'react';
-import { BookOpen, CheckCircle, Loader, ArrowRight, Plus, Search, ChevronLeft, MessageSquare } from 'lucide-react';
+import { BookOpen, CheckCircle, Loader, ArrowRight, Plus, Search, ChevronLeft, MessageSquare, Calendar, TrendingUp } from 'lucide-react';
 import { motion, AnimatePresence } from 'framer-motion';
 import { Link } from 'react-router-dom';
 import Card from '../components/ui/Card';
@@ -9,6 +9,7 @@ import Input from '../components/ui/Input';
 import LearningContentViewer from '../components/ui/LearningContentViewer';
 import { useApp } from '../store/AppContext';
 import { getAssignedTopic, generateLearningContent, getCachedContent, generateCustomTopic } from '../lib/learningService';
+import { getUpcomingWeeks, getQuarterProgress, getYearProgress, getQuarterName, getQuarterForWeek, hasCurriculum as checkHasCurriculum } from '../lib/curriculumService';
 import * as db from '../lib/db';
 
 const Leren = () => {
@@ -37,6 +38,12 @@ const Leren = () => {
   const [feedbackText, setFeedbackText] = useState('');
   const [feedbackPrompted, setFeedbackPrompted] = useState(false);
 
+  // Curriculum state
+  const [hasCurriculum, setHasCurriculum] = useState(false);
+  const [upcoming, setUpcoming] = useState([]);
+  const [quarterProgress, setQuarterProgress] = useState(null);
+  const [yearProgress, setYearProgress] = useState(null);
+
   useEffect(() => {
     if (state.currentUser) {
       const load = async () => {
@@ -48,6 +55,24 @@ const Leren = () => {
         setAssignedTopic(assigned);
         setAllTopics(topics);
         if (done) setWeeklyDone(true);
+
+        // Load curriculum data
+        try {
+          const currExists = await checkHasCurriculum();
+          setHasCurriculum(currExists);
+          if (currExists) {
+            const [upcomingData, qProgress, yProgress] = await Promise.all([
+              getUpcomingWeeks(state.weekNumber, 4),
+              getQuarterProgress(state.currentUser.id, getQuarterForWeek(state.weekNumber)),
+              getYearProgress(state.currentUser.id),
+            ]);
+            setUpcoming(upcomingData);
+            setQuarterProgress(qProgress);
+            setYearProgress(yProgress);
+          }
+        } catch (e) {
+          console.warn('[Learn] Could not load curriculum data:', e.message);
+        }
       };
       load();
     }
@@ -271,13 +296,17 @@ const Leren = () => {
 
   // ── Overview ──────────────────────────────────────────────
   const otherTopics = allTopics.filter(t => t.id !== assignedTopic?.id && t.type !== 'fact');
+  const currentQuarter = getQuarterForWeek(state.weekNumber);
+  const currentQuarterName = getQuarterName(state.weekNumber);
 
   return (
     <div className="p-4 md:p-8 max-w-5xl mx-auto pb-24 md:pb-8 animate-in fade-in duration-300">
       <div className="mb-10">
         <h1 className="text-3xl md:text-4xl font-bold text-teal mb-3">Learning Station</h1>
         <p className="text-fg-muted text-lg">
-          You must complete at least 1 topic per week. Feel free to explore more from the library!
+          {hasCurriculum
+            ? `Week ${state.weekNumber} · ${currentQuarterName}`
+            : 'Complete at least 1 topic per week. Explore more from the library!'}
         </p>
       </div>
 
@@ -287,11 +316,74 @@ const Leren = () => {
         </div>
       )}
 
+      {/* Progress Cards (only shown when curriculum exists) */}
+      {hasCurriculum && yearProgress && quarterProgress && (
+        <div className="grid grid-cols-2 md:grid-cols-4 gap-4 mb-8">
+          {/* Year Progress */}
+          <Card className="border border-bg-warm text-center p-4">
+            <div className="relative w-16 h-16 mx-auto mb-2">
+              <svg viewBox="0 0 36 36" className="w-full h-full -rotate-90">
+                <circle cx="18" cy="18" r="15.5" fill="none" stroke="var(--color-bg-warm)" strokeWidth="3" />
+                <circle
+                  cx="18" cy="18" r="15.5" fill="none"
+                  stroke="var(--color-teal)" strokeWidth="3"
+                  strokeDasharray={`${yearProgress.percentage} 100`}
+                  strokeLinecap="round"
+                  className="transition-all duration-700"
+                />
+              </svg>
+              <span className="absolute inset-0 flex items-center justify-center text-sm font-bold">
+                {yearProgress.percentage}%
+              </span>
+            </div>
+            <div className="text-xs text-fg-muted">Annual Progress</div>
+            <div className="text-[10px] text-fg-muted">{yearProgress.completed}/{yearProgress.total} weeks</div>
+          </Card>
+
+          {/* Quarter Progress */}
+          <Card className="border border-bg-warm text-center p-4">
+            <div className="relative w-16 h-16 mx-auto mb-2">
+              <svg viewBox="0 0 36 36" className="w-full h-full -rotate-90">
+                <circle cx="18" cy="18" r="15.5" fill="none" stroke="var(--color-bg-warm)" strokeWidth="3" />
+                <circle
+                  cx="18" cy="18" r="15.5" fill="none"
+                  stroke="#7c3aed" strokeWidth="3"
+                  strokeDasharray={`${quarterProgress.percentage} 100`}
+                  strokeLinecap="round"
+                  className="transition-all duration-700"
+                />
+              </svg>
+              <span className="absolute inset-0 flex items-center justify-center text-sm font-bold">
+                {quarterProgress.percentage}%
+              </span>
+            </div>
+            <div className="text-xs text-fg-muted">Q{currentQuarter} Progress</div>
+            <div className="text-[10px] text-fg-muted">{quarterProgress.completed}/{quarterProgress.total} weeks</div>
+          </Card>
+
+          {/* Current Week */}
+          <Card className="border border-bg-warm text-center p-4 flex flex-col items-center justify-center">
+            <Calendar size={24} className="text-teal mb-1" />
+            <div className="text-2xl font-bold text-teal">{state.weekNumber}</div>
+            <div className="text-xs text-fg-muted">Current Week</div>
+          </Card>
+
+          {/* Status */}
+          <Card className="border border-bg-warm text-center p-4 flex flex-col items-center justify-center">
+            <TrendingUp size={24} className={`mb-1 ${weeklyDone ? 'text-teal' : 'text-fg-muted'}`} />
+            <div className={`text-lg font-bold ${weeklyDone ? 'text-teal' : 'text-fg-muted'}`}>
+              {weeklyDone ? 'Complete' : 'In Progress'}
+            </div>
+            <div className="text-xs text-fg-muted">This Week</div>
+          </Card>
+        </div>
+      )}
+
       {/* Required Topic */}
       {assignedTopic && (
-        <div className="mb-12">
+        <div className="mb-8">
           <h2 className="text-xl font-bold mb-4 flex items-center gap-2">
-            Weekly Assignment {weeklyDone && <CheckCircle size={20} className="text-teal" />}
+            This Week's Topic {weeklyDone && <CheckCircle size={20} className="text-teal" />}
           </h2>
           <Card 
             hoverable 
@@ -300,9 +392,14 @@ const Leren = () => {
           >
             <div className="flex flex-col md:flex-row md:items-center justify-between gap-4">
               <div>
-                <Tag variant={weeklyDone ? 'success' : 'accent'} className="mb-2">
-                  {weeklyDone ? 'Completed' : 'Required'}
-                </Tag>
+                <div className="flex items-center gap-2 mb-2">
+                  <Tag variant={weeklyDone ? 'success' : 'accent'} className="text-xs">
+                    {weeklyDone ? 'Completed' : 'Required'}
+                  </Tag>
+                  {hasCurriculum && (
+                    <Tag variant="dark" className="text-[10px]">Week {state.weekNumber}</Tag>
+                  )}
+                </div>
                 <h3 className="text-2xl font-bold text-teal">{assignedTopic.label}</h3>
                 <p className="text-fg-muted mt-1">{assignedTopic.description}</p>
               </div>
@@ -314,7 +411,34 @@ const Leren = () => {
         </div>
       )}
 
-
+      {/* Upcoming Schedule (only when curriculum exists) */}
+      {hasCurriculum && upcoming.length > 0 && (
+        <div className="mb-8">
+          <h2 className="text-xl font-bold mb-4 flex items-center gap-2">
+            <Calendar size={20} className="text-fg-muted" /> Coming Up
+          </h2>
+          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-3">
+            {upcoming.map(week => (
+              <Card key={week.week_number} className="border border-bg-warm p-4">
+                <div className="flex items-center justify-between mb-2">
+                  <Tag variant="dark" className="text-[10px] font-mono">Week {week.week_number}</Tag>
+                  {week.is_review_week && <Tag variant="accent" className="text-[10px]">Review</Tag>}
+                </div>
+                {week.topic ? (
+                  <>
+                    <h4 className="font-medium text-sm leading-tight">{week.topic.label}</h4>
+                    <p className="text-xs text-fg-muted mt-1">{week.theme}</p>
+                  </>
+                ) : week.is_review_week ? (
+                  <h4 className="font-medium text-sm text-purple-600">{week.theme}</h4>
+                ) : (
+                  <h4 className="text-sm text-fg-muted italic">Unassigned</h4>
+                )}
+              </Card>
+            ))}
+          </div>
+        </div>
+      )}
 
       {/* Other Available Topics */}
       {otherTopics.length > 0 && (