From f04bb33651f6f8fd05f06dc74fb48e8f7514d386 Mon Sep 17 00:00:00 2001
From: "ignacio.bengoa" <ignacio.bengoa@fing.edu.uy>
Date: Sat, 11 Sep 2021 17:14:27 -0300
Subject: [PATCH] ERCalculator implemented
---
src/Services/ERCalculator.ts | 41 ++++++++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
create mode 100644 src/Services/ERCalculator.ts
diff --git a/src/Services/ERCalculator.ts b/src/Services/ERCalculator.ts
new file mode 100644
index 0000000..684fb08
--- /dev/null
+++ b/src/Services/ERCalculator.ts
@@ -0,0 +1,41 @@
+import AgeGroup from '../Models/AgeGroup';
+import EnergeticRequirement from '../Models/EnergeticRequirement';
+import CalculatorResponseDTO from '../DTOs/CalculatorResponseDTO';
+
+const calculateER = (groupParameters: Map<number[], AgeGroup>): CalculatorResponseDTO => {
+ let totalOfPeople = 0;
+ let totalRequirement = 0;
+
+ const requirements = new Map();
+
+ groupParameters.forEach((group: AgeGroup, parameters: number[]) => {
+ totalOfPeople = +group.cantidad;
+
+ const requirement = parameters[0]
+ + (parameters[1] * group.pesoMediano)
+ + (parameters[2] * group.pesoMediano);
+
+ const groupRequirement: EnergeticRequirement = {
+ requerimientoEnergeticoPerCapita: requirement,
+ requerimientoEnergeticoTotal: requirement * group.cantidad,
+ };
+
+ totalRequirement = +groupRequirement.requerimientoEnergeticoTotal;
+
+ requirements.set(group, groupRequirement);
+ });
+
+ const totalER: EnergeticRequirement = {
+ requerimientoEnergeticoPerCapita: totalRequirement / totalOfPeople,
+ requerimientoEnergeticoTotal: totalOfPeople,
+ };
+
+ const result: CalculatorResponseDTO = {
+ requerimientosPorGrupo: requirements,
+ requerimientoTotal: totalER,
+ };
+
+ return result;
+};
+
+export default { calculateER };
--
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