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import { BalanceToBudgetRatio } from "../../types/balanceToBudgetRatio";
import { Category } from "../../types/category";
import { Group } from "../../types/group";
import { groupCategories } from "../../util/groupCategories";
import './Histogram.scss';
function Histogram({ categories }: Props) {
if (categories === null) {
return (
<p>No categories to show</p>
);
}
const balanceToBudgetRatioNormaliser = BalanceToBudgetRatio.makeNormaliser(...categories.map(c => c.balanceToBudgetRatio));
for (const category of categories) {
category.balanceToBudgetRatio = balanceToBudgetRatioNormaliser(category.balanceToBudgetRatio);
}
const groups = [...groupCategories(categories)];
return (
<table>
<thead>
<tr>
<th>Category</th>
<th>Balance-to-Budget Ratio</th>
<th>Balance</th>
</tr>
</thead>
{
groups.map(g => <RowGroup group={g} />)
}
</table>
);
}
function RowGroup({ group }: GroupProps) {
return (
<tbody>
<tr role="heading" aria-level="3">{group.name}</tr>
{
group.categories
.sort((c1, c2) => BalanceToBudgetRatio.compare(c1.balanceToBudgetRatio, c2.balanceToBudgetRatio))
.map((category) => Row({ category }))
}
</tbody>
);
}
function Row({ category }: RowProps) {
return (
<tr>
<td class="name">{category.name}</td>
<td
class={`ratio ratio--${category.balanceToBudgetRatio?.recommendedAction ?? ''}`}
style={`--normal-abs-ratio: ${Math.abs(category.balanceToBudgetRatio?.normalisedRatio ?? 0)};`}
>
<span class="ratio__text">
{category.balanceToBudgetRatio?.toString() ?? ''}
</span>
<span class="ratio__bar"></span>
</td>
<td class="balance">{category.currentBalance.toString()}</td>
</tr>
);
}
type Props = {
categories: Category[] | null,
};
type GroupProps = {
group: Group;
}
type RowProps = {
category: Category,
};
export default Histogram;
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