async actions

src/App.tsx

@@ -1,18 +1,13 @@
-import { FC, useState } from "react";
+import { FC } from "react";
 import { PreLoader } from "./components/PreLoader";
 import "./index.css";
 import MainLayout from "./layouts/MainLayout";
 import { AppRouter } from "./router";
 import { Router } from "./router/Router";
-import { MealSummary } from "./types/meal";
 import { useAuth0 } from "./utils/auth0-spa";
 
 export const App: FC = () => {
   const { loading } = useAuth0();
-  const [searchString, setSearchString] = useState("");
-  const [searchResults, setSearchResults] = useState({
-    meals: [] as MealSummary[],
-  });
 
   return loading ? (
     <div className="container center-align valign-wrapper">
@@ -20,12 +15,8 @@ export const App: FC = () => {
     </div>
   ) : (
     <Router>
-      <MainLayout
-        searchString={searchString}
-        setSearchResults={setSearchResults}
-        setSearchString={setSearchString}
-      >
-        <AppRouter searchString={searchString} searchResults={searchResults} />
+      <MainLayout>
+        <AppRouter />
       </MainLayout>
     </Router>
   );

src/components/SearchBar.tsx

@@ -1,30 +1,20 @@
-import React, { ChangeEvent, FC } from "react";
+import React, { ChangeEvent, FC, useState } from "react";
 import { Link } from "react-router-dom";
-import { getData } from "../services/api";
-import { MealSummary } from "../types/meal";
+import { useMeal } from "../store/meal";
+import { fetchSearchResults } from "../store/meal/async";
 
-type Props = {
-  searchString: string;
-  setSearchString: React.Dispatch<React.SetStateAction<string>>;
-  setSearchResults: React.Dispatch<
-    React.SetStateAction<{ meals: MealSummary[] }>
-  >;
-};
-
-export const SearchBar: FC<Props> = ({
-  searchString,
-  setSearchString,
-  setSearchResults,
-}) => {
+export const SearchBar: FC = () => {
+  const { dispatch } = useMeal();
+  const [searchString, setSearchString] = useState("");
   const getSearchResults: React.MouseEventHandler<HTMLButtonElement> = (e) => {
     searchString === ""
       ? e.preventDefault()
-      : getData(searchString, setSearchResults, "search");
+      : fetchSearchResults(dispatch, searchString);
   };
 
   const clearSearchBar = () => {
     setSearchString("");
-    setSearchResults({ meals: [] });
+    dispatch({ type: "clearSearchResults" });
   };
 
   const handleChange = (e: ChangeEvent<HTMLInputElement>) => {

src/containers/Search/components/SearchPage.tsx

@@ -6,29 +6,26 @@ import { SearchResult } from "./SearchResult";
 
 type Props = {
   searchString: string;
-  searchResults: { meals: MealSummary[] };
+  searchResults: MealSummary[];
 };
 
-export const SearchPage: FC<Props> = ({ searchString, searchResults }) => {
-  const { meals } = searchResults;
-  return (
-    <PageLayout title={`Results for: ${searchString}`}>
-      {!meals ? (
-        <div className="center-align">
-          <p>
-            No results to display, instead there is a picture of my breakfast.
-          </p>
-          <img src={BreakfastImage} alt="Nothing here!" width="70%" />
-        </div>
-      ) : (
-        <div className="row">
-          <ul>
-            {meals.map((meal, i) => (
-              <SearchResult key={i} meal={meal} />
-            ))}
-          </ul>
-        </div>
-      )}
-    </PageLayout>
-  );
-};
+export const SearchPage: FC<Props> = ({ searchString, searchResults }) => (
+  <PageLayout title={`Results for: ${searchString}`}>
+    {!searchResults ? (
+      <div className="center-align">
+        <p>
+          No results to display, instead there is a picture of my breakfast.
+        </p>
+        <img src={BreakfastImage} alt="Nothing here!" width="70%" />
+      </div>
+    ) : (
+      <div className="row">
+        <ul>
+          {searchResults.map((meal, i) => (
+            <SearchResult key={i} meal={meal} />
+          ))}
+        </ul>
+      </div>
+    )}
+  </PageLayout>
+);

src/containers/Search/index.tsx

@@ -1,12 +1,13 @@
 import { FC } from "react";
-import { MealSummary } from "../../types/meal";
+import { useMeal } from "../../store/meal";
 import { SearchPage } from "./components/SearchPage";
 
-type Props = {
-  searchString: string;
-  searchResults: { meals: MealSummary[] };
+export const Search: FC = () => {
+  const { state } = useMeal();
+  return (
+    <SearchPage
+      searchString={state.searchString}
+      searchResults={state.search}
+    />
+  );
 };
-
-export const Search: FC<Props> = ({ searchString, searchResults }) => (
-  <SearchPage searchString={searchString} searchResults={searchResults} />
-);

src/layouts/MainLayout.tsx

@@ -3,21 +3,8 @@ import { Footer } from "../components/Footer";
 import { Navbar } from "../components/Navbar";
 import { SearchBar } from "../components/SearchBar";
 import { SideNav } from "../components/SideNav";
-import { MealSummary } from "../types/meal";
 
-type Props = {
-  searchString: string;
-  setSearchString: React.Dispatch<React.SetStateAction<string>>;
-  setSearchResults: React.Dispatch<
-    React.SetStateAction<{ meals: MealSummary[] }>
-  >;
-};
-const MainLayout: FC<Props> = ({
-  searchString,
-  setSearchString,
-  setSearchResults,
-  children,
-}) => {
+const MainLayout: FC = ({ children }) => {
   const [showNav, setShowNav] = useState(false);
 
   const openNavClick: React.MouseEventHandler = (e) => {
@@ -42,12 +29,7 @@ const MainLayout: FC<Props> = ({
     <>
       <header>
         <Navbar openNavClick={openNavClick} />
-
-        <SearchBar
-          searchString={searchString}
-          setSearchString={setSearchString}
-          setSearchResults={setSearchResults}
-        />
+        <SearchBar />
         <SideNav showNav={showNav} closeNavClick={closeNavClick} />
       </header>
       <main>{children}</main>

src/layouts/PageLayout.tsx

@@ -1,8 +1,6 @@
 import { FC } from "react";
 
-type Props = {
-  title: string;
-};
+type Props = { title: string };
 
 const PageLayout: FC<Props> = ({ title, children }) => (
   <div className="container">

src/router/AppRouter.tsx

@@ -3,20 +3,15 @@ import { Redirect, Route, Switch } from "react-router-dom";
 import { buttonURL } from "../constants";
 import { Categories } from "../containers/Categories";
 import { Category } from "../containers/Category";
+import { Contact } from "../containers/Contact";
 import { Home } from "../containers/Home";
 import { Meal } from "../containers/Meal";
+import { NotFound } from "../containers/NotFound";
 import { Profile } from "../containers/Profile";
 import { Search } from "../containers/Search";
-import { Contact } from "../containers/Contact";
-import { NotFound } from "../containers/NotFound";
-import { MealSummary } from "../types/meal";
 import { PrivateRoute } from "./PrivateRoute";
 
-type Props = {
-  searchString: string;
-  searchResults: { meals: MealSummary[] };
-};
-const AppRouter: FC<Props> = ({ searchString, searchResults }) => (
+const AppRouter: FC = () => (
   <Switch>
     <Route exact path="/">
       <Home />
@@ -37,7 +32,7 @@ const AppRouter: FC<Props> = ({ searchString, searchResults }) => (
     </Route>
 
     <Route exact path="/search">
-      <Search searchString={searchString} searchResults={searchResults} />
+      <Search />
     </Route>
 
     <Route path="/contact">

src/store/meal/async.ts

@@ -23,3 +23,20 @@ export const fetchMeal = async (dispatch: Dispatch, id: string) => {
 
   dispatch({ type: "setMeal", payload: meal.meals });
 };
+
+export const fetchSearchResults = async (
+  dispatch: Dispatch,
+  searchString: string
+) => {
+  //TODO: refactor to use Meal client
+  const URI = createURI(searchString, "search");
+
+  const meals = await fetch(URI)
+    .then((response) => response.json())
+    .catch((error) => console.warn(error + "url:" + URI));
+
+  dispatch({
+    type: "setSearchResults",
+    payload: { search: meals.meals, searchString },
+  });
+};

src/store/meal/index.tsx

@@ -1,10 +1,21 @@
 //https://kentcdodds.com/blog/how-to-use-react-context-effectively
 
 import { createContext, FC, useContext, useReducer } from "react";
-import { MealApi } from "../../types/meal";
+import { MealApi, MealSummary } from "../../types/meal";
 import { appReducer, Dispatch } from "./reducer";
 
-export type AppState = { meals: MealApi[] };
+export type AppState = {
+  meals: MealApi[];
+  search: MealSummary[];
+  searchString: string;
+};
+
+const initState = {
+  meals: [] as MealApi[],
+  search: [] as MealSummary[],
+  searchString: "",
+};
+
 type ContextType = { state: AppState; dispatch: Dispatch } | undefined;
 
 const AppContext = createContext<ContextType>(undefined);
@@ -18,7 +29,7 @@ export const useMeal = () => {
 };
 
 export const AppProvider: FC = ({ children }) => {
-  const [state, dispatch] = useReducer(appReducer, { meals: [] as MealApi[] });
+  const [state, dispatch] = useReducer(appReducer, initState);
   const value = { state, dispatch };
   return <AppContext.Provider value={value}>{children}</AppContext.Provider>;
 };

src/store/meal/reducer.ts

@@ -3,13 +3,15 @@ import { AppState } from "./index";
 export const appReducer = (state: AppState, action: Action) => {
   switch (action.type) {
     case "setMeal":
-      return { meals: action.payload };
-    case "fetchMeal":
-      return { meals: state.meals };
-    case "fetchRandomMeal":
-      return { meals: state.meals };
-    case "toggleFav":
-      return { meals: state.meals };
+      return { ...state, meals: action.payload };
+    case "setSearchResults":
+      return {
+        ...state,
+        search: action.payload.search,
+        searchString: action.payload.searchString,
+      };
+    case "clearSearchResults":
+      return { ...state, search: [] };
     default: {
       throw new Error(`Unhandled action type: ${action.type}`);
     }
@@ -18,6 +20,7 @@ export const appReducer = (state: AppState, action: Action) => {
 
 export type Action = {
   payload?: any;
-  type: "setMeal" | "fetchMeal" | "fetchRandomMeal" | "toggleFav";
+  type: "setMeal" | "setSearchResults" | "clearSearchResults";
 };
+
 export type Dispatch = (action: Action) => void;