feat: add get sentiment data endpoint

src/app/api/product/route.ts

@@ -0,0 +1,42 @@
+import prisma from "@/lib/prisma";
+import { NextResponse } from "next/server";
+
+export const dynamic = "force-dynamic";
+
+export async function POST(request: Request) {
+  try {
+    // const body = await request.json();
+
+    // const { name, brand } = body;
+    // if (!name || !brand) {
+    //   return NextResponse.json(
+    //     { error: "Missing required fields" },
+    //     { status: 400 },
+    //   );
+    // }
+
+    const products = [
+      { name: "ZenBook 14", brand: "ASUS" },
+      { name: "Swift 3", brand: "Acer" },
+      { name: "Surface Laptop 5", brand: "Microsoft" },
+    ];
+
+    const result = await prisma.product.createMany({
+      data: products,
+    });
+
+    return NextResponse.json(
+      {
+        message: "Booking successful",
+        data: result,
+      },
+      { status: 201 },
+    );
+  } catch (error: any) {
+    console.error("Create product Error:", error);
+    return NextResponse.json(
+      { error: "Internal Server Error" },
+      { status: 500 },
+    );
+  }
+}

src/app/api/review/route.ts

@@ -0,0 +1,62 @@
+import prisma from "@/lib/prisma";
+import { Sentiment } from "@prisma/client";
+import { NextResponse } from "next/server";
+
+export const dynamic = "force-dynamic";
+
+export async function POST(request: Request) {
+  try {
+    // const body = await request.json();
+
+    // const { name, brand } = body;
+    // if (!name || !brand) {
+    //   return NextResponse.json(
+    //     { error: "Missing required fields" },
+    //     { status: 400 },
+    //   );
+    // }
+
+    const reviews = [
+      {
+        productId: 2,
+        content:
+          "Laptop ini sangat ringan dan performanya cepat untuk kerja harian.",
+        keywords: ["ringan", "cepat", "kerja"],
+        sentiment: Sentiment.positive,
+        confidenceScore: 0.92,
+      },
+      {
+        productId: 3,
+        content: "Baterainya awet, tapi harganya cukup mahal.",
+        keywords: ["baterai", "awet", "mahal"],
+        sentiment: Sentiment.neutral,
+        confidenceScore: 0.75,
+      },
+      {
+        productId: 4,
+        content: "Performa kurang stabil dan sering panas.",
+        keywords: ["performa", "panas", "stabil"],
+        sentiment: Sentiment.negative,
+        confidenceScore: 0.88,
+      },
+    ];
+
+    const result = await prisma.review.createMany({
+      data: reviews,
+    });
+
+    return NextResponse.json(
+      {
+        message: "Booking successful",
+        data: result,
+      },
+      { status: 201 },
+    );
+  } catch (error: any) {
+    console.error("Create product Error:", error);
+    return NextResponse.json(
+      { error: "Internal Server Error" },
+      { status: 500 },
+    );
+  }
+}

src/app/api/review/sentiment-stats/route.ts

@@ -0,0 +1,29 @@
+// app/api/reviews/sentiment-stats/route.ts
+import prisma from "@/lib/prisma";
+import { NextResponse } from "next/server";
+
+export async function GET() {
+  try {
+    const grouped = await prisma.review.groupBy({
+      by: ["sentiment"],
+      _count: { _all: true },
+    });
+
+    const result = {
+      positive: 0,
+      negative: 0,
+      neutral: 0,
+    };
+
+    grouped.forEach((item) => {
+      if (item.sentiment === "positive") result.positive = item._count._all;
+      if (item.sentiment === "negative") result.negative = item._count._all;
+      if (item.sentiment === "neutral") result.neutral = item._count._all;
+    });
+
+    return NextResponse.json(result);
+  } catch (error) {
+    console.log(error);
+    return [];
+  }
+}

src/components/dashboards/DashboardClient.tsx

@@ -20,7 +20,7 @@ import { SentimentAnalyzer } from "./SentimentAnalyzer";
 import { BrandFilter } from "./BrandFilter";
 import { ReviewTable } from "./ReviewTable";
 import { SentimentChart, TrendChart, WordCloud } from "@/src/utils/dImports";
-import { useDashboard } from "@/src/hooks/useDashboard";
+import { useDashboards } from "@/src/hooks/useDashboard";
 
 export default function DashboardClient() {
   const {
@@ -30,10 +30,11 @@ export default function DashboardClient() {
     neutralCount,
     filteredReviews,
     selectedBrand,
-    setSelectedBrand,
     loading,
     modelData,
-  } = useDashboard();
+    setSelectedBrand,
+    percentage,
+  } = useDashboards();
 
   return (
     <div className="min-h-screen bg-background">
@@ -71,26 +72,29 @@ export default function DashboardClient() {
             trend={{ value: 12.5, isPositive: true }}
             delay={0}
           />
+
           <StatCard
             title="Sentimen Positif"
             value={positiveCount}
-            suffix={`(${((positiveCount / totalReviews) * 100).toFixed(1)}%)`}
+            suffix={`(${percentage(positiveCount, totalReviews)}%)`}
             icon={ThumbsUp}
             variant="positive"
             delay={100}
           />
+
           <StatCard
             title="Sentimen Negatif"
             value={negativeCount}
-            suffix={`(${((negativeCount / totalReviews) * 100).toFixed(1)}%)`}
+            suffix={`(${percentage(negativeCount, totalReviews)}%)`}
             icon={ThumbsDown}
             variant="negative"
             delay={200}
           />
+
           <StatCard
             title="Sentimen Netral"
             value={neutralCount}
-            suffix={`(${((neutralCount / totalReviews) * 100).toFixed(1)}%)`}
+            suffix={`(${percentage(neutralCount, totalReviews)}%)`}
             icon={Minus}
             variant="neutral"
             delay={300}

src/components/dashboards/Header.tsx

@@ -20,7 +20,9 @@ import Link from "next/link";
 import { useHeader } from "@/src/hooks/useHeader";
 
 export function Header() {
-  const { open, setOpen, session } = useHeader();
+  const { open, setOpen, session, mounted } = useHeader();
+
+  if (!mounted) return null;
   return (
     <header className="border-b bg-card/50 backdrop-blur-sm sticky top-0 z-50">
       <div className="container mx-auto px-4 py-4">

src/components/dashboards/ModelInfo.tsx

@@ -36,7 +36,7 @@ export function ModelInfo({ data }: { data: ModelDB[] }) {
             <SelectValue placeholder="Pilih Model" />
           </SelectTrigger>
 
-          <SelectContent className="bg-card border-border shadow-lg">
+          <SelectContent className="bg-card border-border shadow-lg" position="popper">
             {data.map((model, index) => (
               <SelectItem
                 key={model.modelName + index}

src/components/dashboards/StatCard.tsx

@@ -12,7 +12,7 @@ export function StatCard({
   variant = "default",
   delay = 0,
 }: StatCardProps) {
-  const { isVisible, displayValue } = useStatCard({ title, value, icon: Icon });
+  const { isVisible, displayValue } = useStatCard({ value, delay });
 
   return (
     <div
@@ -25,6 +25,7 @@ export function StatCard({
       <div className="flex items-start justify-between">
         <div className="space-y-2">
           <p className="text-sm font-medium text-muted-foreground">{title}</p>
+
           <div className="flex items-baseline gap-1">
             <span className="text-3xl font-bold tracking-tight">
               {displayValue.toLocaleString()}
@@ -35,6 +36,7 @@ export function StatCard({
               </span>
             )}
           </div>
+
           {trend && (
             <div className="flex items-center gap-1 text-sm">
               <span
@@ -52,6 +54,7 @@ export function StatCard({
             </div>
           )}
         </div>
+
         <div className={cn("rounded-xl p-3", iconStyles[variant])}>
           <Icon className="h-6 w-6" />
         </div>

src/hooks/useDashboard.ts

@@ -1,32 +1,44 @@
 "use client";
-import { useEffect, useState } from "react";
-import { ModelDB } from "../types";
-import { reviewData, sentimentDistribution } from "../app/dashboard/lib/data";
+
+import { useState, useEffect, useMemo } from "react";
+import { ModelDB, Review, StatCounts } from "@/src/types";
 import { getClassificationReport } from "../app/dashboard/lib/actions";
 
-export const useDashboard = () => {
+export const useDashboards = () => {
   const [selectedBrand, setSelectedBrand] = useState<string | null>(null);
   const [loading, setLoading] = useState(true);
   const [modelData, setModelData] = useState<ModelDB[]>([]);
-
-  const totalReviews = sentimentDistribution.reduce(
-    (sum, s) => sum + s.value,
-    0,
-  );
-
-  const positiveCount =
-    sentimentDistribution.find((s) => s.name === "Positif")?.value || 0;
-  const negativeCount =
-    sentimentDistribution.find((s) => s.name === "Negatif")?.value || 0;
-  const neutralCount =
-    sentimentDistribution.find((s) => s.name === "Netral")?.value || 0;
-
-  const filteredReviews = selectedBrand
-    ? reviewData.filter((r) => r.brand === selectedBrand)
-    : reviewData;
+  const [reviews, setReviews] = useState<Review[]>([]);
+  const [stats, setStats] = useState<StatCounts>({
+    totalReviews: 0,
+    positive: 0,
+    negative: 0,
+    neutral: 0,
+  });
 
   useEffect(() => {
-    async function fetchData() {
+    async function fetchStats() {
+      setLoading(true);
+      const res = await fetch("/api/review/sentiment-stats");
+      const data = await res.json();
+
+      const total = data.positive + data.negative + data.neutral;
+
+      setStats({
+        totalReviews: total ?? 0,
+        positive: data.positive ?? 0,
+        negative: data.negative ?? 0,
+        neutral: data.neutral ?? 0,
+      });
+
+      setLoading(false);
+    }
+
+    fetchStats();
+  }, []);
+
+  useEffect(() => {
+    async function fetchModelData() {
       try {
         const data = await getClassificationReport();
         setModelData(data);
@@ -36,18 +48,29 @@ export const useDashboard = () => {
         setLoading(false);
       }
     }
-    fetchData();
+
+    fetchModelData();
   }, []);
 
+  const filteredReviews = useMemo(() => {
+    return selectedBrand
+      ? reviews.filter((r) => r.brand === selectedBrand)
+      : reviews;
+  }, [reviews, selectedBrand]);
+
+  const percentage = (value: number, total: number) =>
+    total > 0 ? ((value / total) * 100).toFixed(1) : "0.0";
+
   return {
-    totalReviews,
-    positiveCount,
-    negativeCount,
-    neutralCount,
+    totalReviews: stats.totalReviews,
+    positiveCount: stats.positive,
+    negativeCount: stats.negative,
+    neutralCount: stats.neutral,
     filteredReviews,
     selectedBrand,
     loading,
     modelData,
     setSelectedBrand,
+    percentage,
   };
 };

src/hooks/useHeader.ts

@@ -1,15 +1,20 @@
 import { useSession } from "next-auth/react";
-import { useState } from "react";
+import { useEffect, useState } from "react";
 
 export const useHeader = () => {
   const [isRefreshing, setIsRefreshing] = useState(false);
   const [open, setOpen] = useState(false);
   const session = useSession();
+  const [mounted, setMounted] = useState(false);
 
   const handleRefresh = () => {
     setIsRefreshing(true);
     setTimeout(() => setIsRefreshing(false), 1500);
   };
 
-  return { open, setOpen, session };
+  useEffect(() => {
+    setMounted(true);
+  }, []);
+
+  return { open, setOpen, session, isRefreshing, handleRefresh, mounted };
 };

src/hooks/useStatCard.ts

@@ -1,50 +1,32 @@
 import { useEffect, useState } from "react";
-import { StatCardProps } from "../types";
+import { UseStatCardProps } from "../types";
 
-export const useStatCard = ({
-  title,
-  value,
-  suffix = "",
-  icon: Icon,
-  trend,
-  variant = "default",
-  delay = 0,
-}: StatCardProps) => {
-  const [displayValue, setDisplayValue] = useState(0);
+export function useStatCard({ value, delay = 0 }: UseStatCardProps) {
   const [isVisible, setIsVisible] = useState(false);
+  const [displayValue, setDisplayValue] = useState(0);
 
   useEffect(() => {
-    const timer = setTimeout(() => {
+    const timeout = setTimeout(() => {
       setIsVisible(true);
+
+      let start = 0;
+      const duration = 800;
+      const stepTime = 16;
+      const increment = value / (duration / stepTime);
+
+      const counter = setInterval(() => {
+        start += increment;
+        if (start >= value) {
+          setDisplayValue(value);
+          clearInterval(counter);
+        } else {
+          setDisplayValue(Math.floor(start));
+        }
+      }, stepTime);
     }, delay);
-    return () => clearTimeout(timer);
-  }, [delay]);
 
-  useEffect(() => {
-    if (!isVisible) return;
-
-    const duration = 1200;
-    const steps = 40;
-    const stepValue = value / steps;
-    let current = 0;
-    let step = 0;
-
-    const timer = setInterval(() => {
-      step++;
-      const progress = step / steps;
-      const eased = 1 - Math.pow(1 - progress, 3);
-      current = value * eased;
-
-      if (step >= steps) {
-        setDisplayValue(value);
-        clearInterval(timer);
-      } else {
-        setDisplayValue(Math.floor(current));
-      }
-    }, duration / steps);
-
-    return () => clearInterval(timer);
-  }, [value, isVisible]);
+    return () => clearTimeout(timeout);
+  }, [value, delay]);
 
   return { isVisible, displayValue };
-};
+}

src/types/index.ts

@@ -1,4 +1,4 @@
-import { UserGender } from "@prisma/client";
+import { Sentiment, UserGender } from "@prisma/client";
 import { LucideIcon } from "lucide-react";
 
 export interface ModelDB {
@@ -28,12 +28,12 @@ export interface BrandFilterProps {
 }
 
 export interface Review {
-  id: string;
+  id: number;
   product: string;
   brand: string;
   review: string;
-  rating: number;
-  sentiment: "positif" | "negatif" | "netral";
+  rating?: number | null;
+  sentiment: Sentiment;
   date: string;
   confidence: number;
 }
@@ -110,3 +110,15 @@ export interface WordCloudItemProps {
   maxValue: number;
   minValue: number;
 }
+
+export interface StatCounts {
+  totalReviews: number;
+  positive: number;
+  negative: number;
+  neutral: number;
+}
+
+export interface UseStatCardProps {
+  value: number;
+  delay?: number;
+}