refactor meal container

src/App.tsx

@@ -1,87 +1,19 @@
-import React, { FC, useState } from "react";
-import { Router } from "./router/Router";
-
+import { FC, useState } from "react";
 import { PreLoader } from "./components/PreLoader";
-
-import { useAuth0 } from "./utils/auth0-spa";
-import { getData } from "./utils/methods";
-
 import "./index.css";
 import MainLayout from "./layouts/MainLayout";
 import { AppRouter } from "./router";
+import { Router } from "./router/Router";
+import { getData } from "./services/api";
+import { useAuth0 } from "./utils/auth0-spa";
 
 export const App: FC = () => {
   const { loading } = useAuth0();
   const [searchString, setSearchString] = useState("");
   const [searchResults, setSearchResults] = useState({ meals: [] });
-  // Default meal object. TODO: Find a better alternative …
-  const mealDef = {
-    meals: [
-      {
-        idMeal: "52837",
-        strMeal: "Chef's meal",
-        strDrinkAlternate: null,
-        strCategory: "yummy",
-        strArea: "Mine",
-        strInstructions:
-          "Cook the pasta following pack instructions.\r\n\r\nHeat the oil in a non-stick frying pan and cook the onion, garlic and chilli for 3-4 mins to soften. Stir in the tomato pur\u00e9e and cook for 1 min, then add the pilchards with their sauce. Cook, breaking up the fish with a wooden spoon, then add the olives and continue to cook for a few more mins.\r\n\r\nDrain the pasta and add to the pan with 2-3 tbsp of the cooking water. Toss everything together well, then divide between plates and serve, scattered with Parmesan.",
-        strMealThumb: require("./images/breakfast.svg"),
-        // "https://www.themealdb.com/images/media/meals/vvtvtr1511180578.jpg",
-        strTags: null,
-        strYoutube: "#",
-        strIngredient1: "Spaghetti",
-        strIngredient2: "Olive Oil",
-        strIngredient3: "Onion",
-        strIngredient4: "Garlic",
-        strIngredient5: "Red Chilli",
-        strIngredient6: "Tomato Puree",
-        strIngredient7: "Pilchards",
-        strIngredient8: "Black Olives",
-        strIngredient9: "Parmesan",
-        strIngredient10: "",
-        strIngredient11: "",
-        strIngredient12: "",
-        strIngredient13: "",
-        strIngredient14: "",
-        strIngredient15: "",
-        strIngredient16: "",
-        strIngredient17: "",
-        strIngredient18: "",
-        strIngredient19: "",
-        strIngredient20: "",
-        strMeasure1: "300g",
-        strMeasure2: "1 tbls",
-        strMeasure3: "1 finely chopped ",
-        strMeasure4: "2 cloves minced",
-        strMeasure5: "1",
-        strMeasure6: "1 tbls",
-        strMeasure7: "425g",
-        strMeasure8: "70g",
-        strMeasure9: "Shaved",
-        strMeasure10: "",
-        strMeasure11: "",
-        strMeasure12: "",
-        strMeasure13: "",
-        strMeasure14: "",
-        strMeasure15: "",
-        strMeasure16: "",
-        strMeasure17: "",
-        strMeasure18: "",
-        strMeasure19: "",
-        strMeasure20: "",
-        strSource: "https://www.bbcgoodfood.com/recipes/pilchard-puttanesca",
-        dateModified: null,
-      },
-    ],
-  };
-
-  const [meal, setMeal] = useState(mealDef);
+  const [meal, setMeal] = useState(null);
   const buttonUrl = "/random";
 
-  const getMeal = (id) => {
-    getData(id, setMeal, "lookup");
-  };
-
   const getRandomMeal = () => {
     getData("random", setMeal);
   };
@@ -105,11 +37,8 @@ export const App: FC = () => {
     <Router>
       <MainLayout
         buttonUrl={buttonUrl}
-        // meal={meal}
-        // getMeal={getMeal}
         getRandomMeal={getRandomMeal}
         searchString={searchString}
-        // searchResults={searchResults}
         setSearchResults={setSearchResults}
         handleChange={handleChange}
         setSearchString={setSearchString}
@@ -117,8 +46,6 @@ export const App: FC = () => {
       >
         <AppRouter
           buttonUrl={buttonUrl}
-          meal={meal}
-          getMeal={getMeal}
           getRandomMeal={getRandomMeal}
           searchString={searchString}
           searchResults={searchResults}

src/components/IngredientList.tsx

@@ -1,24 +0,0 @@
-import React from "react";
-
-export const IngredientList = ({ ingredients }) => {
-  return (
-    <div className="ingredientList">
-      <table className="striped highlight responsive-table">
-        <thead>
-          <tr>
-            <th>Ingredient</th>
-            <th>Quantity</th>
-          </tr>
-        </thead>
-        <tbody>
-          {ingredients.map((ing, i) => (
-            <tr key={i}>
-              <td>{ing[0]}</td>
-              <td>{ing[1]}</td>
-            </tr>
-          ))}
-        </tbody>
-      </table>
-    </div>
-  );
-};

src/components/Recipe.tsx

@@ -1,11 +0,0 @@
-import React from "react";
-
-export const Recipe = ({ recipe }) => {
-  return (
-    <div className="recipe">
-      <div className="divider"></div>
-      <h3>Instructions</h3>
-      <p className="flow-text">{recipe}</p>
-    </div>
-  );
-};

src/containers/CategoryController.tsx

@@ -1,7 +1,7 @@
-import React, { useEffect, useState } from "react";
-import { useParams, Redirect } from "react-router-dom";
+import { useEffect, useState } from "react";
+import { Redirect, useParams } from "react-router-dom";
 import { CategoryPage } from "../pages/CategoryPage";
-import { getData } from "../utils/methods";
+import { getData } from "../services/api";
 
 export const CategoryController = () => {
   const [meals, setMeals] = useState({ meals: [] });

src/containers/CategoryListController.tsx

@@ -1,7 +1,7 @@
 import React, { useEffect, useState } from "react";
-import { getData } from "../utils/methods";
-import { CategoryListPage } from "../pages/CategoryListPage";
 import { PreLoader } from "../components/PreLoader";
+import { CategoryListPage } from "../pages/CategoryListPage";
+import { getData } from "../services/api";
 
 export const CategoryListController = () => {
   const [categories, setCategories] = useState({ categories: [] });

src/containers/Meal/MealPage.tsx

@@ -0,0 +1,31 @@
+import { FC } from "react";
+import Meal from "../../types/Meal";
+import { MealIngredientList } from "./components/MealIngredientList";
+import { MealPresentation } from "./components/MealPresentation";
+import { MealRecipe } from "./components/MealRecipe";
+
+type Props = {
+  ingredients: string[];
+  recipe: string;
+  meal: Meal;
+  handleFavChange: () => void;
+};
+
+export const MealPage: FC<Props> = ({
+  meal,
+  ingredients,
+  recipe,
+  handleFavChange,
+}) => (
+  <section className="container">
+    <div className="row">
+      <div className="col s12 l6">
+        <MealPresentation meal={meal} handleFavChange={handleFavChange} />
+      </div>
+      <div className="col s12 l6">
+        <MealIngredientList ingredients={ingredients} />
+      </div>
+    </div>
+    <MealRecipe recipe={recipe} />
+  </section>
+);

src/containers/Meal/components/MealIngredientList.tsx

@@ -0,0 +1,26 @@
+import { FC } from "react";
+
+type Props = {
+  ingredients: string[];
+};
+
+export const MealIngredientList: FC<Props> = ({ ingredients }) => (
+  <div className="ingredientList">
+    <table className="striped highlight responsive-table">
+      <thead>
+        <tr>
+          <th>Ingredient</th>
+          <th>Quantity</th>
+        </tr>
+      </thead>
+      <tbody>
+        {ingredients.map((ing, i) => (
+          <tr key={i}>
+            <td>{ing[0]}</td>
+            <td>{ing[1]}</td>
+          </tr>
+        ))}
+      </tbody>
+    </table>
+  </div>
+);

src/containers/Meal/components/MealPresentation.tsx

@@ -1,7 +1,13 @@
-import React from "react";
+import { FC } from "react";
 import { Link } from "react-router-dom";
+import Meal from "../../../types/Meal";
 
-export const MealPresentation = ({ meal }) => {
+type Props = {
+  meal: Meal;
+  handleFavChange: () => void;
+};
+
+export const MealPresentation: FC<Props> = ({ meal, handleFavChange }) => {
   const {
     mealName,
     imgAddress,
@@ -9,7 +15,6 @@ export const MealPresentation = ({ meal }) => {
     mealCategory,
     mealArea,
     isFav,
-    handleFavChange,
   } = meal;
 
   return (

src/containers/Meal/components/MealRecipe.tsx

@@ -0,0 +1,13 @@
+import { FC } from "react";
+
+type Props = {
+  recipe: string;
+};
+
+export const MealRecipe: FC<Props> = ({ recipe }) => (
+  <div className="recipe">
+    <div className="divider" />
+    <h3>Instructions</h3>
+    <p className="flow-text">{recipe}</p>
+  </div>
+);

src/containers/Meal/index.tsx

@@ -0,0 +1,75 @@
+import React, { FC, useEffect, useState } from "react";
+import { useParams } from "react-router-dom";
+import { NotFoundPage } from "../../pages/NotFoundPage";
+import { useFirebase } from "../../services/Firebase";
+import { useAuth0 } from "../../utils/auth0-spa";
+import { MealPage } from "./MealPage";
+import { getMeal, getRandomMeal } from "./service";
+
+export const Meal: FC = () => {
+  // hooks
+  const { user, isAuthenticated } = useAuth0();
+  const { id } = useParams();
+  const fb = useFirebase();
+  // local state
+  const [meal, setMeal] = useState(null);
+  const [isFav, setIsFav] = useState<boolean>();
+  // variables
+  const mealItem = meal?.meals?.[0];
+  // effects
+  /** Fetch meal from db */
+  useEffect(() => {
+    !id ? getRandomMeal(setMeal) : getMeal(id, setMeal);
+  }, [id]);
+  /** Updates fav status in db */
+  useEffect(() => {
+    if (isAuthenticated) {
+      fb.isFav(user.email, mealItem?.idMeal).then((res) => setIsFav(res));
+    }
+  }, [user, fb, mealItem?.idMeal, isAuthenticated]);
+  // other logic
+  const handleFavChange = () => {
+    if (isAuthenticated) {
+      setIsFav(!isFav);
+      // Send !isFav because state is not yet updated
+      fb.addToFavs(
+        user?.email,
+        mealItem?.idMeal,
+        mealItem?.strMeal,
+        mealItem?.strMealThumb,
+        !isFav
+      );
+    } else {
+      window.alert("You must be authenticated to add to favourites.");
+    }
+  };
+
+  const item = {
+    mealName: mealItem?.strMeal,
+    imgAddress: mealItem?.strMealThumb,
+    videoAddress: mealItem?.strYoutube,
+    mealCategory: mealItem?.strCategory,
+    mealArea: mealItem?.strArea,
+    isFav,
+  };
+
+  let ingredients = [];
+  for (let i = 1; i <= 20; i++) {
+    let strIng = `strIngredient${i}`;
+    let strMes = `strMeasure${i}`;
+    if (!!mealItem?.[strIng] && !!mealItem?.[strIng]) {
+      ingredients.push([mealItem?.[strIng], mealItem?.[strMes]]);
+    }
+  }
+
+  return !!meal?.meals ? (
+    <MealPage
+      meal={item}
+      ingredients={ingredients}
+      recipe={mealItem?.strInstructions}
+      handleFavChange={handleFavChange}
+    />
+  ) : (
+    <NotFoundPage handleClick={getRandomMeal} />
+  );
+};

src/containers/Meal/service.ts

@@ -0,0 +1,9 @@
+import { getData } from "../../services/api";
+
+export const getMeal = (id, setMeal) => {
+  getData(id, setMeal, "lookup");
+};
+
+export const getRandomMeal = (setMeal) => {
+  getData("random", setMeal);
+};

src/containers/MealController.tsx

@@ -1,78 +0,0 @@
-import React, { useEffect, useState } from "react";
-import { useParams } from "react-router-dom";
-import { useAuth0 } from "../utils/auth0-spa";
-import { MealPage } from "../pages/MealPage";
-import { NotFoundPage } from "../pages/NotFoundPage";
-import { useFirebase } from "../services/Firebase";
-
-export const MealController = ({ meal, getMeal, getRandomMeal }) => {
-  const { user, isAuthenticated } = useAuth0();
-  const { id } = useParams();
-  const fb = useFirebase();
-
-  useEffect(() => {
-    id === undefined ? getRandomMeal() : getMeal(id);
-    // eslint-disable-next-line
-  }, []);
-
-  const mealItem = meal.meals[0];
-
-  const {
-    idMeal,
-    strMeal,
-    strMealThumb,
-    strYoutube,
-    strCategory,
-    strArea,
-    strInstructions,
-  } = mealItem;
-
-  const [isFav, setIsFav] = useState<boolean>();
-
-  /**
-   * Updates fav status in db
-   */
-  const handleFavChange = (e) => {
-    e.preventDefault();
-    setIsFav(!isFav);
-    // Send !isFav because state is not yet updated
-    fb.addToFavs(user.email, idMeal, strMeal, strMealThumb, !isFav);
-  };
-
-  useEffect(() => {
-    // Not update fav status of the placeholder recipe. TODO: it's ugly...
-    if (idMeal !== "52837" && isAuthenticated) {
-      fb.isFav(user.email, idMeal).then((res) => setIsFav(res));
-    }
-  }, [user, fb, idMeal, isAuthenticated]);
-
-  const item = {
-    mealName: strMeal,
-    imgAddress: strMealThumb,
-    videoAddress: strYoutube,
-    mealCategory: strCategory,
-    mealArea: strArea,
-    isFav,
-    handleFavChange,
-  };
-
-  let ingredientList = [];
-  var i;
-  for (i = 1; i <= 20; i++) {
-    let strIng = `strIngredient${i}`;
-    let strMes = `strMeasure${i}`;
-    if (mealItem[strIng] !== "" && mealItem[strIng] !== null) {
-      ingredientList.push([mealItem[strIng], mealItem[strMes]]);
-    }
-  }
-
-  return meal !== undefined && meal.meals !== null ? (
-    <MealPage
-      item={item}
-      ingredientList={ingredientList}
-      strInstructions={strInstructions}
-    />
-  ) : (
-    <NotFoundPage handleClick={getRandomMeal} />
-  );
-};

src/pages/MealPage.tsx

@@ -1,20 +0,0 @@
-import React from "react";
-import { MealPresentation } from "../components/MealPresentation";
-import { IngredientList } from "../components/IngredientList";
-import { Recipe } from "../components/Recipe";
-
-export const MealPage = ({ item, ingredientList, strInstructions }) => {
-  return (
-    <div className="container">
-      <div className="row">
-        <div className="col s12 l6">
-          <MealPresentation meal={item} />
-        </div>
-        <div className="col s12 l6">
-          <IngredientList ingredients={ingredientList} />
-        </div>
-      </div>
-      <Recipe recipe={strInstructions} />
-    </div>
-  );
-};

src/router/AppRouter.tsx

@@ -1,10 +1,10 @@
-import { Switch, Route, Redirect } from "react-router-dom";
-import { SearchController } from "../containers/SearchController";
-import { Home } from "../containers/Home";
-import { MealController } from "../containers/MealController";
+import { Redirect, Route, Switch } from "react-router-dom";
 import { CategoryController } from "../containers/CategoryController";
 import { CategoryListController } from "../containers/CategoryListController";
+import { Home } from "../containers/Home";
+import { Meal } from "../containers/Meal";
 import { ProfileController } from "../containers/ProfileController";
+import { SearchController } from "../containers/SearchController";
 import { ContactPage } from "../pages/Contact";
 import { NotFoundPage } from "../pages/NotFoundPage";
 import { PrivateRoute } from "./PrivateRoute";
@@ -13,8 +13,6 @@ import { PrivateRoute } from "./PrivateRoute";
 
 const AppRouter = ({
   buttonUrl,
-  meal,
-  getMeal,
   getRandomMeal,
   searchString,
   searchResults,
@@ -27,11 +25,7 @@ const AppRouter = ({
     <PrivateRoute exact path="/profile" component={ProfileController} />
 
     <Route exact path={buttonUrl}>
-      <MealController
-        meal={meal}
-        getMeal={getMeal}
-        getRandomMeal={getRandomMeal}
-      />
+      <Meal />
     </Route>
 
     <Route exact path="/categories">
@@ -58,11 +52,7 @@ const AppRouter = ({
     </Route>
 
     <Route path="/:id">
-      <MealController
-        meal={meal}
-        getMeal={getMeal}
-        getRandomMeal={getRandomMeal}
-      />
+      <Meal />
     </Route>
 
     <Route path="*">

src/services/api.ts

@@ -1,6 +1,6 @@
-export const createURI = (keyword, option) => {
+export const createURI = (keyword: string, option: string) => {
   const ROOT = "https://www.themealdb.com/api/json/v1/1/";
-  if (option === null) {
+  if (!option) {
     return `${ROOT}${keyword}.php`;
   } else if (option === "filter") {
     return `${ROOT}${option}.php?c=${keyword}`;
@@ -11,16 +11,10 @@ export const createURI = (keyword, option) => {
   }
 };
 
-export const getData = (keyword, set, option = null) => {
+export const getData = (keyword: string, set, option: string = null) => {
   const URI = createURI(keyword, option);
   fetch(URI)
-    .then(response => response.json())
-    .catch(error => console.info(error + "url:" + URI))
-    .then(data => set(data));
+    .then((response) => response.json())
+    .catch((error) => console.warn(error + "url:" + URI))
+    .then((data) => set(data));
 };
-
-export const upFirstChar = lower => {
-  return lower.replace(/^\w/, c => c.toUpperCase());
-};
-
-export const addToFavourites = () => {};

src/types/Meal.ts

@@ -0,0 +1,8 @@
+export default interface Meal {
+  mealName: string;
+  imgAddress: string;
+  videoAddress: string;
+  mealCategory: string;
+  mealArea: string;
+  isFav: boolean;
+}

src/utils/methods.ts

@@ -0,0 +1,2 @@
+export const upFirstChar = (lower: string): string =>
+  lower.replace(/^\w/, (c) => c.toUpperCase());