Nathan Meunier

index.js

@@ -6,7 +6,8 @@ const drugs = [
   new Drug("Doliprane", 20, 30),
   new Drug("Herbal Tea", 10, 5),
   new Drug("Fervex", 5, 40),
-  new Drug("Magic Pill", 15, 40)
+  new Drug("Magic Pill", 15, 40),
+  new Drug("Dafalgan", 20, 30)
 ];
 const trial = new Pharmacy(drugs);
 

lib/drugsUpdater.js

@@ -0,0 +1,95 @@
+import { MAX_BENEFIT, MIN_BENEFIT } from "../pharmacy";
+
+const HERBAL_TEA = "Herbal Tea";
+const FERVEX = "Fervex";
+const DAFALGAN = "Dafalgan";
+const MAGIC_PILL = "Magic Pill";
+
+const _pipe = (fn1, fn2) => arg => fn2(fn1(arg));
+const pipe = (...ops) => ops.reduce(_pipe);
+
+const expireDrugByOne = drug => {
+  drug.dicreaseExpiresInByOne();
+  return drug;
+};
+
+// Ok, I must admit, it's a bit overkill
+// But it's cool if we need to add new methods later
+const specificDrugsUpdateMethods = {
+  [HERBAL_TEA]: pipe(
+    expireDrugByOne,
+    updateHerbalTea
+  ),
+  [FERVEX]: pipe(
+    expireDrugByOne,
+    updateFervex
+  ),
+  [MAGIC_PILL]: updateMagicPill,
+  [DAFALGAN]: pipe(
+    expireDrugByOne,
+    updateDafalgan
+  )
+};
+
+const isDrugNeedUpdate = ({ benefit }) => benefit > MIN_BENEFIT;
+
+function defaultDrugsUpdate(drug) {
+  if (isDrugNeedUpdate(drug)) {
+    drug.dicreaseBenefitBy(drug.expiresIn >= 0 ? 1 : 2);
+  }
+  return drug;
+}
+
+const isHerbalTeaNeedUpdate = ({ benefit }) => benefit < MAX_BENEFIT;
+
+function updateHerbalTea(drug) {
+  if (isHerbalTeaNeedUpdate(drug)) {
+    drug.increaseBenefitBy(drug.expiresIn < 0 ? 2 : 1);
+  }
+  return drug;
+}
+
+const isFervexNeedUpdate = ({ benefit, expiresIn }) =>
+  (expiresIn < 0 && benefit !== MIN_BENEFIT) ||
+  (expiresIn >= 0 && benefit < MAX_BENEFIT);
+
+function updateFervex(drug) {
+  if (isFervexNeedUpdate(drug)) {
+    switch (true) {
+      case drug.expiresIn < 0:
+        drug.setBenefitToZero();
+        break;
+      case drug.expiresIn > 10:
+        drug.increaseBenefitBy(1);
+        break;
+      case drug.expiresIn <= 10 && drug.expiresIn > 5:
+        drug.increaseBenefitBy(2);
+        break;
+      default:
+        drug.increaseBenefitBy(3);
+    }
+  }
+  return drug;
+}
+
+function updateMagicPill(drug) {
+  return drug;
+}
+
+function updateDafalgan(drug) {
+  if (isDrugNeedUpdate(drug)) {
+    drug.dicreaseBenefitBy(drug.expiresIn >= 0 ? 2 : 4);
+  }
+  return drug;
+}
+
+function updateDrugs(drug) {
+  return specificDrugsUpdateMethods[drug.name]
+    ? specificDrugsUpdateMethods[drug.name](drug)
+    : pipe(
+        expireDrugByOne,
+        defaultDrugsUpdate
+      )(drug);
+}
+
+export { updateDrugs };

output.txt

@@ -1 +1 @@
-[{"name":"Doliprane","expiresIn":19,"benefit":29},{"name":"Herbal Tea","expiresIn":9,"benefit":6},{"name":"Fervex","expiresIn":4,"benefit":43},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":18,"benefit":28},{"name":"Herbal Tea","expiresIn":8,"benefit":7},{"name":"Fervex","expiresIn":3,"benefit":46},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":17,"benefit":27},{"name":"Herbal Tea","expiresIn":7,"benefit":8},{"name":"Fervex","expiresIn":2,"benefit":49},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":16,"benefit":26},{"name":"Herbal Tea","expiresIn":6,"benefit":9},{"name":"Fervex","expiresIn":1,"benefit":50},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":15,"benefit":25},{"name":"Herbal Tea","expiresIn":5,"benefit":10},{"name":"Fervex","expiresIn":0,"benefit":50},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":14,"benefit":24},{"name":"Herbal Tea","expiresIn":4,"benefit":11},{"name":"Fervex","expiresIn":-1,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":13,"benefit":23},{"name":"Herbal Tea","expiresIn":3,"benefit":12},{"name":"Fervex","expiresIn":-2,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":12,"benefit":22},{"name":"Herbal Tea","expiresIn":2,"benefit":13},{"name":"Fervex","expiresIn":-3,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":11,"benefit":21},{"name":"Herbal Tea","expiresIn":1,"benefit":14},{"name":"Fervex","expiresIn":-4,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":10,"benefit":20},{"name":"Herbal Tea","expiresIn":0,"benefit":15},{"name":"Fervex","expiresIn":-5,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":9,"benefit":19},{"name":"Herbal Tea","expiresIn":-1,"benefit":17},{"name":"Fervex","expiresIn":-6,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":8,"benefit":18},{"name":"Herbal Tea","expiresIn":-2,"benefit":19},{"name":"Fervex","expiresIn":-7,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":7,"benefit":17},{"name":"Herbal Tea","expiresIn":-3,"benefit":21},{"name":"Fervex","expiresIn":-8,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":6,"benefit":16},{"name":"Herbal Tea","expiresIn":-4,"benefit":23},{"name":"Fervex","expiresIn":-9,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":5,"benefit":15},{"name":"Herbal Tea","expiresIn":-5,"benefit":25},{"name":"Fervex","expiresIn":-10,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":4,"benefit":14},{"name":"Herbal Tea","expiresIn":-6,"benefit":27},{"name":"Fervex","expiresIn":-11,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":3,"benefit":13},{"name":"Herbal Tea","expiresIn":-7,"benefit":29},{"name":"Fervex","expiresIn":-12,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":2,"benefit":12},{"name":"Herbal Tea","expiresIn":-8,"benefit":31},{"name":"Fervex","expiresIn":-13,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":1,"benefit":11},{"name":"Herbal Tea","expiresIn":-9,"benefit":33},{"name":"Fervex","expiresIn":-14,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":0,"benefit":10},{"name":"Herbal Tea","expiresIn":-10,"benefit":35},{"name":"Fervex","expiresIn":-15,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-1,"benefit":8},{"name":"Herbal Tea","expiresIn":-11,"benefit":37},{"name":"Fervex","expiresIn":-16,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-2,"benefit":6},{"name":"Herbal Tea","expiresIn":-12,"benefit":39},{"name":"Fervex","expiresIn":-17,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-3,"benefit":4},{"name":"Herbal Tea","expiresIn":-13,"benefit":41},{"name":"Fervex","expiresIn":-18,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-4,"benefit":2},{"name":"Herbal Tea","expiresIn":-14,"benefit":43},{"name":"Fervex","expiresIn":-19,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-5,"benefit":0},{"name":"Herbal Tea","expiresIn":-15,"benefit":45},{"name":"Fervex","expiresIn":-20,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-6,"benefit":0},{"name":"Herbal Tea","expiresIn":-16,"benefit":47},{"name":"Fervex","expiresIn":-21,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-7,"benefit":0},{"name":"Herbal Tea","expiresIn":-17,"benefit":49},{"name":"Fervex","expiresIn":-22,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-8,"benefit":0},{"name":"Herbal Tea","expiresIn":-18,"benefit":50},{"name":"Fervex","expiresIn":-23,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-9,"benefit":0},{"name":"Herbal Tea","expiresIn":-19,"benefit":50},{"name":"Fervex","expiresIn":-24,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}],[{"name":"Doliprane","expiresIn":-10,"benefit":0},{"name":"Herbal Tea","expiresIn":-20,"benefit":50},{"name":"Fervex","expiresIn":-25,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40}]
+[{"name":"Doliprane","expiresIn":19,"benefit":29},{"name":"Herbal Tea","expiresIn":9,"benefit":6},{"name":"Fervex","expiresIn":4,"benefit":43},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":19,"benefit":28}],[{"name":"Doliprane","expiresIn":18,"benefit":28},{"name":"Herbal Tea","expiresIn":8,"benefit":7},{"name":"Fervex","expiresIn":3,"benefit":46},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":18,"benefit":26}],[{"name":"Doliprane","expiresIn":17,"benefit":27},{"name":"Herbal Tea","expiresIn":7,"benefit":8},{"name":"Fervex","expiresIn":2,"benefit":49},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":17,"benefit":24}],[{"name":"Doliprane","expiresIn":16,"benefit":26},{"name":"Herbal Tea","expiresIn":6,"benefit":9},{"name":"Fervex","expiresIn":1,"benefit":50},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":16,"benefit":22}],[{"name":"Doliprane","expiresIn":15,"benefit":25},{"name":"Herbal Tea","expiresIn":5,"benefit":10},{"name":"Fervex","expiresIn":0,"benefit":50},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":15,"benefit":20}],[{"name":"Doliprane","expiresIn":14,"benefit":24},{"name":"Herbal Tea","expiresIn":4,"benefit":11},{"name":"Fervex","expiresIn":-1,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":14,"benefit":18}],[{"name":"Doliprane","expiresIn":13,"benefit":23},{"name":"Herbal Tea","expiresIn":3,"benefit":12},{"name":"Fervex","expiresIn":-2,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":13,"benefit":16}],[{"name":"Doliprane","expiresIn":12,"benefit":22},{"name":"Herbal Tea","expiresIn":2,"benefit":13},{"name":"Fervex","expiresIn":-3,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":12,"benefit":14}],[{"name":"Doliprane","expiresIn":11,"benefit":21},{"name":"Herbal Tea","expiresIn":1,"benefit":14},{"name":"Fervex","expiresIn":-4,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":11,"benefit":12}],[{"name":"Doliprane","expiresIn":10,"benefit":20},{"name":"Herbal Tea","expiresIn":0,"benefit":15},{"name":"Fervex","expiresIn":-5,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":10,"benefit":10}],[{"name":"Doliprane","expiresIn":9,"benefit":19},{"name":"Herbal Tea","expiresIn":-1,"benefit":17},{"name":"Fervex","expiresIn":-6,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":9,"benefit":8}],[{"name":"Doliprane","expiresIn":8,"benefit":18},{"name":"Herbal Tea","expiresIn":-2,"benefit":19},{"name":"Fervex","expiresIn":-7,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":8,"benefit":6}],[{"name":"Doliprane","expiresIn":7,"benefit":17},{"name":"Herbal Tea","expiresIn":-3,"benefit":21},{"name":"Fervex","expiresIn":-8,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":7,"benefit":4}],[{"name":"Doliprane","expiresIn":6,"benefit":16},{"name":"Herbal Tea","expiresIn":-4,"benefit":23},{"name":"Fervex","expiresIn":-9,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":6,"benefit":2}],[{"name":"Doliprane","expiresIn":5,"benefit":15},{"name":"Herbal Tea","expiresIn":-5,"benefit":25},{"name":"Fervex","expiresIn":-10,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":5,"benefit":0}],[{"name":"Doliprane","expiresIn":4,"benefit":14},{"name":"Herbal Tea","expiresIn":-6,"benefit":27},{"name":"Fervex","expiresIn":-11,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":4,"benefit":0}],[{"name":"Doliprane","expiresIn":3,"benefit":13},{"name":"Herbal Tea","expiresIn":-7,"benefit":29},{"name":"Fervex","expiresIn":-12,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":3,"benefit":0}],[{"name":"Doliprane","expiresIn":2,"benefit":12},{"name":"Herbal Tea","expiresIn":-8,"benefit":31},{"name":"Fervex","expiresIn":-13,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":2,"benefit":0}],[{"name":"Doliprane","expiresIn":1,"benefit":11},{"name":"Herbal Tea","expiresIn":-9,"benefit":33},{"name":"Fervex","expiresIn":-14,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":1,"benefit":0}],[{"name":"Doliprane","expiresIn":0,"benefit":10},{"name":"Herbal Tea","expiresIn":-10,"benefit":35},{"name":"Fervex","expiresIn":-15,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":0,"benefit":0}],[{"name":"Doliprane","expiresIn":-1,"benefit":8},{"name":"Herbal Tea","expiresIn":-11,"benefit":37},{"name":"Fervex","expiresIn":-16,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-1,"benefit":0}],[{"name":"Doliprane","expiresIn":-2,"benefit":6},{"name":"Herbal Tea","expiresIn":-12,"benefit":39},{"name":"Fervex","expiresIn":-17,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-2,"benefit":0}],[{"name":"Doliprane","expiresIn":-3,"benefit":4},{"name":"Herbal Tea","expiresIn":-13,"benefit":41},{"name":"Fervex","expiresIn":-18,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-3,"benefit":0}],[{"name":"Doliprane","expiresIn":-4,"benefit":2},{"name":"Herbal Tea","expiresIn":-14,"benefit":43},{"name":"Fervex","expiresIn":-19,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-4,"benefit":0}],[{"name":"Doliprane","expiresIn":-5,"benefit":0},{"name":"Herbal Tea","expiresIn":-15,"benefit":45},{"name":"Fervex","expiresIn":-20,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-5,"benefit":0}],[{"name":"Doliprane","expiresIn":-6,"benefit":0},{"name":"Herbal Tea","expiresIn":-16,"benefit":47},{"name":"Fervex","expiresIn":-21,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-6,"benefit":0}],[{"name":"Doliprane","expiresIn":-7,"benefit":0},{"name":"Herbal Tea","expiresIn":-17,"benefit":49},{"name":"Fervex","expiresIn":-22,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-7,"benefit":0}],[{"name":"Doliprane","expiresIn":-8,"benefit":0},{"name":"Herbal Tea","expiresIn":-18,"benefit":50},{"name":"Fervex","expiresIn":-23,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-8,"benefit":0}],[{"name":"Doliprane","expiresIn":-9,"benefit":0},{"name":"Herbal Tea","expiresIn":-19,"benefit":50},{"name":"Fervex","expiresIn":-24,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-9,"benefit":0}],[{"name":"Doliprane","expiresIn":-10,"benefit":0},{"name":"Herbal Tea","expiresIn":-20,"benefit":50},{"name":"Fervex","expiresIn":-25,"benefit":0},{"name":"Magic Pill","expiresIn":15,"benefit":40},{"name":"Dafalgan","expiresIn":-10,"benefit":0}]

pharmacy.js

@@ -1,66 +1,49 @@
+import { updateDrugs } from "./lib/drugsUpdater";
+
+export const MIN_BENEFIT = 0;
+export const MAX_BENEFIT = 50;
+
+export const ERROR_DRUG_INSTANTIATION =
+  "Error while creating a new drug: Bad params";
 export class Drug {
   constructor(name, expiresIn, benefit) {
+    if (
+      typeof name !== "string" ||
+      typeof expiresIn !== "number" ||
+      typeof benefit !== "number" ||
+      benefit < MIN_BENEFIT ||
+      benefit > MAX_BENEFIT
+    ) {
+      throw new Error(ERROR_DRUG_INSTANTIATION);
+    }
     this.name = name;
     this.expiresIn = expiresIn;
     this.benefit = benefit;
   }
+
+  dicreaseExpiresInByOne() {
+    this.expiresIn -= 1;
+  }
+
+  dicreaseBenefitBy(n) {
+    this.benefit = Math.max(this.benefit - n, MIN_BENEFIT);
+  }
+
+  increaseBenefitBy(n) {
+    this.benefit = Math.min(this.benefit + n, MAX_BENEFIT);
+  }
+
+  setBenefitToZero() {
+    this.benefit = 0;
+  }
 }
 
 export class Pharmacy {
   constructor(drugs = []) {
     this.drugs = drugs;
   }
   updateBenefitValue() {
-    for (var i = 0; i < this.drugs.length; i++) {
-      if (
-        this.drugs[i].name != "Herbal Tea" &&
-        this.drugs[i].name != "Fervex"
-      ) {
-        if (this.drugs[i].benefit > 0) {
-          if (this.drugs[i].name != "Magic Pill") {
-            this.drugs[i].benefit = this.drugs[i].benefit - 1;
-          }
-        }
-      } else {
-        if (this.drugs[i].benefit < 50) {
-          this.drugs[i].benefit = this.drugs[i].benefit + 1;
-          if (this.drugs[i].name == "Fervex") {
-            if (this.drugs[i].expiresIn < 11) {
-              if (this.drugs[i].benefit < 50) {
-                this.drugs[i].benefit = this.drugs[i].benefit + 1;
-              }
-            }
-            if (this.drugs[i].expiresIn < 6) {
-              if (this.drugs[i].benefit < 50) {
-                this.drugs[i].benefit = this.drugs[i].benefit + 1;
-              }
-            }
-          }
-        }
-      }
-      if (this.drugs[i].name != "Magic Pill") {
-        this.drugs[i].expiresIn = this.drugs[i].expiresIn - 1;
-      }
-      if (this.drugs[i].expiresIn < 0) {
-        if (this.drugs[i].name != "Herbal Tea") {
-          if (this.drugs[i].name != "Fervex") {
-            if (this.drugs[i].benefit > 0) {
-              if (this.drugs[i].name != "Magic Pill") {
-                this.drugs[i].benefit = this.drugs[i].benefit - 1;
-              }
-            }
-          } else {
-            this.drugs[i].benefit =
-              this.drugs[i].benefit - this.drugs[i].benefit;
-          }
-        } else {
-          if (this.drugs[i].benefit < 50) {
-            this.drugs[i].benefit = this.drugs[i].benefit + 1;
-          }
-        }
-      }
-    }
-
+    this.drugs.forEach(updateDrugs);
     return this.drugs;
   }
 }