feat: enhance statistics page with new charts and data visualizations including savings trend, category trends, and year-over-year comparisons
This commit is contained in:
Julien Froidefond
268
components/statistics/category-trend-chart.tsx
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268
components/statistics/category-trend-chart.tsx
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"use client";
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import { useState } from "react";
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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 { CategoryIcon } from "@/components/ui/category-icon";
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import {
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LineChart,
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Line,
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XAxis,
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YAxis,
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CartesianGrid,
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Tooltip,
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ResponsiveContainer,
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Legend,
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} from "recharts";
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import { ChevronDown, ChevronUp, Layers, List } from "lucide-react";
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import type { Category } from "@/lib/types";
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interface CategoryTrendDataPoint {
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month: string;
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[categoryId: string]: string | number;
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}
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interface CategoryTrendChartProps {
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data: CategoryTrendDataPoint[];
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dataByParent: CategoryTrendDataPoint[];
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categories: Category[];
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formatCurrency: (amount: number) => string;
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maxCategories?: number;
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}
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const CATEGORY_COLORS = [
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"#ef4444", // red
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"#f59e0b", // amber
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"#eab308", // yellow
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"#22c55e", // green
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"#06b6d4", // cyan
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"#3b82f6", // blue
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"#6366f1", // indigo
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"#8b5cf6", // violet
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"#ec4899", // pink
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"#f97316", // orange
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];
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export function CategoryTrendChart({
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data,
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dataByParent,
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categories,
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formatCurrency,
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maxCategories = 5,
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}: CategoryTrendChartProps) {
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const [isExpanded, setIsExpanded] = useState(false);
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const [selectedCategories, setSelectedCategories] = useState<string[]>([]);
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const [groupByParent, setGroupByParent] = useState(true);
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// Use the appropriate dataset based on groupByParent
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const currentData = groupByParent ? dataByParent : data;
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// Get top categories by total amount
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const categoryTotals = new Map<string, number>();
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currentData.forEach((point) => {
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Object.keys(point).forEach((key) => {
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if (key !== "month" && typeof point[key] === "number") {
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const current = categoryTotals.get(key) || 0;
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categoryTotals.set(key, current + (point[key] as number));
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}
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});
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});
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const topCategories = Array.from(categoryTotals.entries())
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.sort((a, b) => b[1] - a[1])
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.slice(0, maxCategories)
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.map(([id]) => id);
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const displayCategories = isExpanded
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? Array.from(categoryTotals.keys())
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: topCategories;
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const categoriesToShow =
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selectedCategories.length > 0 ? selectedCategories : displayCategories;
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// Helper function to get category name
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// When groupByParent is true, the categoryId in dataByParent is already the parent ID
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const getCategoryName = (categoryId: string): string => {
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if (categoryId === "uncategorized") return "Non catégorisé";
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const category = categories.find((c) => c.id === categoryId);
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return category?.name || "Inconnu";
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};
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// Helper function to get category info (for color, icon)
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// When groupByParent is true, the categoryId in dataByParent is already the parent ID
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const getCategoryInfo = (categoryId: string): Category | null => {
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if (categoryId === "uncategorized") return null;
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return categories.find((c) => c.id === categoryId) || null;
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};
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return (
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<Card>
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<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
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<CardTitle>Évolution des dépenses par catégorie</CardTitle>
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<div className="flex gap-2">
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<Button
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variant={groupByParent ? "default" : "ghost"}
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size="sm"
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onClick={() => setGroupByParent(!groupByParent)}
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title={groupByParent ? "Afficher toutes les catégories" : "Regrouper par catégories parentes"}
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>
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{groupByParent ? (
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<>
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<List className="w-4 h-4 mr-1" />
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Par catégorie
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</>
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) : (
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<>
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<Layers className="w-4 h-4 mr-1" />
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Par parent
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</>
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)}
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</Button>
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{categoryTotals.size > maxCategories && (
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<Button
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variant="ghost"
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size="sm"
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onClick={() => setIsExpanded(!isExpanded)}
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>
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{isExpanded ? (
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<>
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<ChevronUp className="w-4 h-4 mr-1" />
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Réduire
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</>
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) : (
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<>
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<ChevronDown className="w-4 h-4 mr-1" />
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Voir tout ({categoryTotals.size})
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</>
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)}
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</Button>
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)}
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</div>
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</CardHeader>
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<CardContent>
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{currentData.length > 0 && categoriesToShow.length > 0 ? (
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<div className="h-[350px]">
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<ResponsiveContainer width="100%" height="100%">
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<LineChart data={currentData}>
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<CartesianGrid strokeDasharray="3 3" className="stroke-muted" />
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<XAxis
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dataKey="month"
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className="text-xs"
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interval="preserveStartEnd"
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/>
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<YAxis
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className="text-xs"
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width={80}
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tickFormatter={(v) => {
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if (Math.abs(v) >= 1000) {
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return `${(v / 1000).toFixed(1)}k€`;
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}
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return `${Math.round(v)}€`;
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}}
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tick={{ fill: "var(--muted-foreground)" }}
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/>
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<Tooltip
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formatter={(value: number) => formatCurrency(value)}
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contentStyle={{
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backgroundColor: "var(--card)",
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border: "1px solid var(--border)",
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borderRadius: "8px",
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}}
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/>
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<Legend
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content={() => {
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// Get all category IDs from data
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const allCategoryIds = Array.from(categoryTotals.keys());
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return (
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<div className="flex flex-wrap justify-center gap-x-4 gap-y-1 mt-2">
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{allCategoryIds.map((categoryId) => {
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const categoryInfo = getCategoryInfo(categoryId);
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const categoryName = getCategoryName(categoryId);
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if (!categoryInfo && categoryId !== "uncategorized") return null;
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const isInDisplayCategories = displayCategories.includes(categoryId);
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const isSelected =
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selectedCategories.length === 0
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? isInDisplayCategories
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: selectedCategories.includes(categoryId);
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return (
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<button
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key={`legend-${categoryId}`}
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className={`flex items-center gap-1.5 text-sm cursor-pointer transition-opacity px-2 py-1 rounded ${
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isSelected
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? "opacity-100"
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: "opacity-30 hover:opacity-60"
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}`}
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onClick={() => {
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if (selectedCategories.includes(categoryId)) {
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setSelectedCategories(
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selectedCategories.filter(
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(id) => id !== categoryId
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)
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);
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} else {
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setSelectedCategories([
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...selectedCategories,
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categoryId,
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]);
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}
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}}
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>
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{categoryInfo ? (
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<CategoryIcon
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icon={categoryInfo.icon}
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color={categoryInfo.color}
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size={14}
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/>
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) : (
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<div
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className="w-3.5 h-3.5 rounded-full"
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style={{ backgroundColor: "#94a3b8" }}
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/>
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)}
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<span className="text-foreground">
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{categoryName}
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</span>
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</button>
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);
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})}
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</div>
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);
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}}
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/>
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{categoriesToShow.map((categoryId, index) => {
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const categoryInfo = getCategoryInfo(categoryId);
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const categoryName = getCategoryName(categoryId);
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if (!categoryInfo && categoryId !== "uncategorized") return null;
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const isSelected =
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selectedCategories.length === 0 ||
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selectedCategories.includes(categoryId);
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return (
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<Line
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key={categoryId}
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type="monotone"
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dataKey={categoryId}
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name={categoryName}
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stroke={categoryInfo?.color || CATEGORY_COLORS[index % CATEGORY_COLORS.length]}
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strokeWidth={isSelected ? 2 : 1}
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strokeOpacity={isSelected ? 1 : 0.3}
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dot={false}
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hide={!isSelected && selectedCategories.length > 0}
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/>
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);
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})}
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</LineChart>
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</ResponsiveContainer>
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</div>
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) : (
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<div className="h-[350px] flex items-center justify-center text-muted-foreground">
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Pas de données pour cette période
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</div>
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)}
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</CardContent>
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</Card>
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);
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}
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