Ajoute les émissions carbone

src/lib/components/test_cases/OilSpendingBill.svelte

@@ -119,14 +119,46 @@
     }
     return sum
   }
+  function getCarbonEmissions(
+    quantity: number | undefined,
+    oilType: string | undefined,
+  ): number | undefined {
+    if (quantity === undefined || oilType === undefined) {
+      return undefined
+    }
+    // Source des émissions : https://www.forestresearch.gov.uk/tools-and-resources/fthr/biomass-energy-resources/reference-biomass/facts-figures/carbon-emissions-of-different-fuels/
+    if (oilType.includes("e10")) {
+      // 10% de bioethanol de betterave
+      return quantity * 0.9 * 2.329 + quantity * 0.1 * 1.504
+    }
+    if (oilType.includes("essence")) {
+      return quantity * 2.329
+    } else if (oilType.includes("b7")) {
+      // 7% de biodiesel de colza
+      return quantity * 0.93 * 2.617 + quantity * 0.07 * 2.485
+    } else if (oilType.includes("b10")) {
+      // 10% de biodiesel de colza
+      return quantity * 0.9 * 2.617 + quantity * 0.1 * 2.485
+    } else if (oilType.includes("gpl")) {
+      return quantity * 1.533
+    }
+    return undefined
+  }
 </script>
 
 {#if nombreLitres > 0}
+  {@const carbonEmissions = getCarbonEmissions(
+    nombreLitres,
+    depenseTtcVariable.name,
+  )}
   <div class=" bg-slate-100 p-2 pb-4 shadow-md">
     <h3
       class="mb-2 border-b border-black pb-2 text-center font-black uppercase"
     >
-      {depenseTtcVariable.label ?? depenseTtcVariable.name}
+      <iconify-icon
+        class="align-[-0.15rem] text-lg mr-1"
+        icon="ri-money-euro-circle-fill"
+      />{depenseTtcVariable.label ?? depenseTtcVariable.name}
     </h3>
 
     <table class="w-full border-b border-dashed border-black font-mono text-xs">
@@ -212,5 +244,30 @@
         </tr>
       </tbody>
     </table>
+    {#if carbonEmissions !== undefined}
+      <h3
+        class="mb-2 border-b border-black pb-2 text-center font-black uppercase mt-6"
+      >
+        <iconify-icon
+          class="align-[-0.15rem] text-lg mr-2"
+          icon="ri-cloud-windy-fill"
+        />Émissions de CO<sub>2</sub>
+      </h3>
+      <table
+        class="mt-4 w-full border-b border-dashed border-black font-mono text-sm"
+      >
+        <tbody>
+          <tr>
+            <td class="text-xs">
+              Pour {quantityFormatter(nombreLitres)} Litres&nbsp;:</td
+            >
+            <td class="text-right">
+              {quantityFormatter(carbonEmissions)}
+              <span class="text-xs">Kg.CO<sub>2</sub></span></td
+            >
+          </tr>
+        </tbody>
+      </table>
+    {/if}
   </div>
 {/if}