Dockerfile

@@ -1,30 +1,43 @@
-# Install dependencies only when needed
-FROM node:fermium-alpine AS deps
-# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
+# Install dependencies of project
+FROM node:fermium-alpine AS dependencies
 RUN apk add --no-cache libc6-compat
 WORKDIR /home/app/
-COPY package.json package-lock.json ./ 
-RUN npm ci
+COPY package.json ./ 
+RUN npm i
 
 
-# Bundle static assets with nginx
-FROM node:fermium-alpine as production
-
-# Copy built assets from builder
+# Build application to bunch of static files
+FROM node:fermium-alpine AS builder
 WORKDIR /home/app/
-COPY --from=deps ./home/app/node_modules ./node_modules
+COPY --from=dependencies ./home/app/node_modules ./node_modules
 COPY . .
+RUN npm run build
+
+
+# NGINX image
+FROM nginx:1.21.6 as production
+# Copy built assets from builder
+COPY --from=builder /home/app/build /usr/share/nginx/html
+# Add nginx.config
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+# Copy setup nginx entrypoint file
+COPY ./scripts/entrypoint.sh .
 
 # Expose ports
-EXPOSE 3000
+EXPOSE 80
+
+# Execute script
+RUN chmod +x ./entrypoint.sh
 
 ENV NODE_ENV production
-ENV USER_NAME=node_user USER_UID=2000 GROUP_NAME=node_group GROUP_UID=2000
+# ENV USER_NAME=node_user USER_UID=2000 GROUP_NAME=node_group GROUP_UID=2000
 
-RUN deluser --remove-home node \
-    && addgroup --g ${GROUP_UID} -S ${GROUP_NAME} \ 
-    && adduser -D -S -s /sbin/nologin -u ${USER_UID} -G ${GROUP_NAME} ${USER_NAME}
-USER "${USER_NAME}"
+# RUN deluser --remove-home node \
+#     && addgroup --g ${GROUP_UID} -S ${GROUP_NAME} \ 
+#     && adduser -D -S -s /sbin/nologin -u ${USER_UID} -G ${GROUP_NAME} ${USER_NAME}
+# USER "${USER_NAME}"
 
+ENTRYPOINT ["./entrypoint.sh"]
 
-ENTRYPOINT [ "npm","start"]
+# Start serving
+CMD ["nginx", "-g", "daemon off;"]

scripts/entrypoint.sh

@@ -1,6 +1,9 @@
 #! /bin/bash
 # no verbose
 set +x
+# save env to file
+printenv > .env.production
+
 # config
 envFilename='.env.production'
 resolvingPath='/usr/share/nginx/html'

src/article/controller/articleViewModel.ts

@@ -1,44 +1,30 @@
 import type { ArticleStore } from "../domain/articleStore";
 import { useCallback, useEffect } from "react";
-import { getArticle } from "article/data/articleAPIService";
 import { Article } from "article/domain/articleEntity";
+import { GetArticleUseCase } from "article/useCases/getArticleUseCase";
+import { FetchArticleUseCase } from "article/useCases/fetchArticleUseCase";
+import { useParams } from "react-router-dom";
 
 function useArticleViewModel(
   store: ArticleStore,
-  fetchArticleUseCase: (
-    fetchArticleCallback: (id: string) => Promise<Article | null>,
-    setArticle: ArticleStore["setArticle"],
-    id: string,
-  ) => Promise<Article | null>,
-  getArticleUseCase: (
-    getArticle: ArticleStore["getArticle"],
-    setArticle: ArticleStore["setArticle"],
-    id: Article["id"],
-  ) => Promise<Article | null>,
-  id: string,
+  fetchArticleUseCase: FetchArticleUseCase,
+  getArticleUseCase: GetArticleUseCase,
 ) {
-  let article: Article | null | undefined;
+  const { id } = useParams();
 
-  const _getArticle = useCallback(
-    (id: string) => {
-      getArticleUseCase(store.getArticle, store.setArticle, id).then(async (value) => {
-        if (value == null) {
-          article = await fetchArticleUseCase(getArticle, store.setArticle, id);
-          return;
-        }
-        article = value;
-      });
+  const getArticle = useCallback(
+    () => {
+      getArticleUseCase.call(id ?? '').catch((_) => fetchArticleUseCase.call(id ?? ''));
+      console.log(id);
     },
-    [store.setArticle]
+    [id]
   );
 
-  useEffect(() => {
-    _getArticle(id);
-  }, [article]);
+  useEffect(getArticle, []);
 
   return {
-    article: store.article,
-    shouldShowLoading: typeof store.article === "undefined" || store.isLoading,
+    article: store.currentArticle,
+    shouldShowLoading: store.isLoading,
     hasError: store.hasError,
   };
 }

src/article/data/articleAPIService.ts

@@ -7,7 +7,7 @@ import { integratorApiClient } from "core/httpClient";
 
 const articleEndpoint = "/papers/"
 
-async function getArticle(id: string): Promise<Article> {
+async function fetchArticle(id: string): Promise<Article> {
   try {
     const response = await integratorApiClient.get<FetchArticleByIdDTO>(
       // `https://run.mocky.io/v3/62cd4581-d864-4d46-b1d6-02b45b5d1994/${id}`
@@ -33,4 +33,4 @@ async function getArticle(id: string): Promise<Article> {
   }
 }
 
-export { getArticle };
+export { fetchArticle };

src/article/data/articleActions.ts

@@ -1,22 +1,25 @@
 import type { Article } from "../domain/articleEntity";
-import { getArticle as getArticleAPI } from "./articleAPIService";
 import * as actionTypes from "./articleActionTypes";
 import { dispatchStatus } from "../../store/index";
 
-const setArticleAction = (article: Article) => (dispatch: any) =>
-  dispatch({ type: actionTypes.SET_ARTICLE, article });
+const setArticleAction = (article: Article, articlesList: Array<Article>) => (dispatch: any) => {
+  if (!articlesList.includes(article)) {
+    const updatedList = articlesList.concat([article]);
+    dispatch({ type: actionTypes.SET_ARTICLE, article, updatedList });
+  }
+}
 
-const getArticleAction = (id: string) => (dispatch: any) => {
-
-  return getArticleAPI(id)
-    .then((article) => {
+const getArticleAction = (id: string, articles: Array<Article>) => (dispatch: any) => {
+  const filteredArray = articles.filter((e) => e.id == id);
+  if (filteredArray.length > 0) {
+    const article = filteredArray[0];
     dispatchStatus(actionTypes.GET_ARTICLE, ".success", article)(dispatch);
     return article;
-    })
-    .catch((reason) => {
+  }
+
+  const reason = 'Article not in the store';
   dispatchStatus(actionTypes.GET_ARTICLE, ".failure", reason)(dispatch);
-      return reason;
-    });
+  return null;
 };
 
 export { setArticleAction, getArticleAction };

src/article/data/articleCommonStateStore.ts

@@ -2,37 +2,58 @@ import React, { useCallback, useState } from "react";
 import { useDispatch } from "react-redux";
 import { ArticleStore } from "../domain/articleStore";
 import type { Article } from "../domain/articleEntity";
-import { getArticle as getArticleAPI } from "./articleAPIService";
 
 const useArticleCommonStore = (): ArticleStore => {
   const [isLoading, setLoading] = useState<boolean>(false);
   const [hasError, setError] = useState<boolean>(false);
-  const [article, setArticleState] = useState<Article | undefined>();
+  const [currentArticle, setCurrentArticle] = useState<Article | null>(null);
+  const [articles, setArticlesState] = useState<Array<Article>>([]);
 
   const dispatch = useDispatch();
 
   const getArticle = useCallback(
-    async (id: string) => {
+    (id: string) => {
       setLoading(true);
-      try {
-        const article = await getArticleAPI(id);
-        setArticleState(article);
-        setLoading(false);
-        return article;
-      } catch (error) {
+      if (typeof currentArticle === undefined) {
+        const fromStore = findArticleFromStore(id);
+        if (typeof fromStore === undefined) {
           setError(true);
           return null;
         }
+        setLoading(false);
+        setCurrentArticle(fromStore);
+        return fromStore;
+      }
+      setLoading(false);
+      return currentArticle;
     },
     [dispatch]
   );
 
+  const findArticleFromStore = (id: string): Article | null => {
+    const filteredArray = articles.filter((e) => e.id == id);
+    if (filteredArray.length > 0) {
+      return filteredArray[0];
+    }
+    return null;
+  }
+
+  const setNewArticle = (newArticle: Article) => {
+    setCurrentArticle(newArticle);
+    if (!articles.includes(newArticle)) {
+      setArticlesState(articles.concat([newArticle]));
+    } else if (articles.length == 0) {
+      setArticlesState([newArticle]);
+    }
+  }
+
   return {
-    article: article,
+    articles: articles,
+    currentArticle: currentArticle,
     isLoading,
     hasError,
-    setArticle: setArticleState,
-    getArticle,
+    setArticle: setNewArticle,
+    getArticle: getArticle,
   };
 };
 

src/article/data/articleReducer.ts

@@ -5,7 +5,8 @@ import * as actionTypes from "./articleActionTypes";
 type ArticleStoreState = Omit<ArticleStore, "getArticle" | "setArticle">;
 
 const INITIAL_STATE: ArticleStoreState = {
-  article: undefined,
+  articles: [],
+  currentArticle: null,
   isLoading: false,
   hasError: false,
 };
@@ -16,11 +17,11 @@ const articleReducer = (
 ): ArticleStoreState => {
   switch (action.type) {
     case actionTypes.SET_ARTICLE:
-      return { ...state, article: action.article };
+      return { ...state, articles: action.updatedList, currentArticle: action.article };
     case actionTypes.GET_ARTICLE:
       return { ...state, isLoading: true };
     case actionTypes.GET_ARTICLE_SUCCESS:
-      return { ...state, isLoading: false, article: action.payload };
+      return { ...state, isLoading: false, currentArticle: action.payload };
     case actionTypes.GET_ARTICLE_FAILURE:
       return { ...state, hasError: true, isLoading: false };
     default:

src/article/data/articleStoreImplementation.ts

@@ -9,22 +9,23 @@ import { RootState, useAppSelector } from "store";
 const articleSelector = (state: RootState): ArticleStoreState => state.article;
 
 const useArticleStore = (): ArticleStore => {
-  const { isLoading, article, hasError } = useAppSelector(articleSelector);
+  const { isLoading, hasError, currentArticle, articles } = useAppSelector(articleSelector);
 
   const dispatch = useDispatch();
 
   const setArticle = useCallback(
-    (article: Article) => setArticleAction(article)(dispatch),
+    (article: Article) => setArticleAction(article, articles)(dispatch),
     [dispatch]
   );
 
   const getArticle = useCallback(
-    (id: string) => getArticleAction(id)(dispatch),
+    (id: string) => getArticleAction(id, articles)(dispatch),
     [dispatch]
   );
 
   return {
-    article: article,
+    articles: articles,
+    currentArticle: currentArticle,
     isLoading,
     hasError,
     setArticle,

src/article/domain/articleStore.ts

@@ -1,13 +1,14 @@
 import { Article } from './articleEntity';
 interface ArticleStore {
   // State
-  article: Article | undefined;
+  articles: Array<Article>;
+  currentArticle: Article | null;
   isLoading: boolean;
   hasError: boolean;
 
   // Actions
-  setArticle(article?: Article): void;
-  getArticle(identifier: string): Promise<Article | null>;
+  setArticle(article: Article): void;
+  getArticle(identifier: string): Article | null;
 }
 
 export type { ArticleStore };

src/article/useCases/fetchArticleUseCase.ts

@@ -1,6 +1,32 @@
 import { Article } from "article/domain/articleEntity";
 import { ArticleStore } from "article/domain/articleStore";
 
+
+class FetchArticleUseCase {
+    /* ------------------------------ Dependencies ------------------------------ */
+    _fetchArticleCallback: (id: string) => Promise<Article | null>;
+    _store: ArticleStore;
+    /* -------------------------------------------------------------------------- */
+    constructor(
+        fetchArticle: (id: string) => Promise<Article | null>,
+        store: ArticleStore,
+    ) {
+        this._fetchArticleCallback = fetchArticle;
+        this._store = store;
+    }
+    /* ----------------------------- Implementation ----------------------------- */
+    async call(id: string): Promise<Article | null> {
+        return this._fetchArticleCallback(id).then((article) => {
+            if (article != null) {
+                this._store.setArticle(article);
+            }
+            return article;
+        })
+    }
+    /* -------------------------------------------------------------------------- */
+}
+
+
 const fetchArticleUseCase = async (
     fetchArticleCallback: (id: string) => Promise<Article | null>,
     setArticle: ArticleStore["setArticle"],
@@ -12,5 +38,5 @@ const fetchArticleUseCase = async (
     }
     return article;
 };
-
+export { FetchArticleUseCase };
 export { fetchArticleUseCase };

src/article/useCases/getArticleUseCase.ts

@@ -1,6 +1,28 @@
 import { Article } from "article/domain/articleEntity";
 import type { ArticleStore } from "../domain/articleStore";
 
+class GetArticleUseCase {
+  /* ------------------------------ Dependencies ------------------------------ */
+  _store: ArticleStore;
+  /* -------------------------------------------------------------------------- */
+  constructor(
+    store: ArticleStore,
+  ) {
+    this._store = store;
+  }
+  /* ----------------------------- Implementation ----------------------------- */
+  async call(id: string): Promise<Article> {
+    const storedArticle = this._store.getArticle(id);
+    if (storedArticle != null) {
+      this._store.setArticle(storedArticle);
+      return storedArticle;
+    }
+    throw new Error('Article not found');
+  }
+  /* -------------------------------------------------------------------------- */
+}
+
+
 const getArticleUseCase = async (
   getArticle: ArticleStore["getArticle"],
   setArticle: ArticleStore["setArticle"],
@@ -13,4 +35,5 @@ const getArticleUseCase = async (
   return article;
 };
 
+export { GetArticleUseCase };
 export { getArticleUseCase };

src/components/fetchAnArticle/AnArticle.tsx

@@ -10,27 +10,20 @@ import { SVGSearch } from "components/icons";
 import BaseLayout from "components/BaseLayout";
 import Typography from "components/typography/Typography";
 import { useTranslation } from "react-i18next";
-import { fetchArticleUseCase } from "article/useCases/fetchArticleUseCase";
-import { getArticleUseCase } from "article/useCases/getArticleUseCase";
+import { FetchArticleUseCase } from "article/useCases/fetchArticleUseCase";
+import { GetArticleUseCase } from "article/useCases/getArticleUseCase";
+import { fetchArticle } from "article/data/articleAPIService";
 
 const AnArticle = () => {
   const store = useArticleStore();
-  const { id } = useParams();
   const { article, hasError, shouldShowLoading } = useArticleViewModel(
     store,
-    fetchArticleUseCase,
-    getArticleUseCase,
-    id ?? '',
+    new FetchArticleUseCase(fetchArticle, store),
+    new GetArticleUseCase(store),
   );
+
   const { i18n, t } = useTranslation();
 
-  // const { id } = useParams();
-  // const newId = `${id}`;
-
-  // useEffect(() => {
-  //   store.getArticle(newId);
-  // }, [id]);
-
   if (hasError) {
     return <NotFound />;
   }

src/components/fetchAnArticle/AnArticleBody.tsx

@@ -13,21 +13,17 @@ import BaseLayout from "components/BaseLayout";
 import Container from "components/Container";
 import NotFound from "./NotFound";
 import Markdown from "components/Markdown";
-import { fetchArticleUseCase } from "article/useCases/fetchArticleUseCase";
-import { getArticleUseCase } from "article/useCases/getArticleUseCase";
+import { FetchArticleUseCase } from "article/useCases/fetchArticleUseCase";
+import { GetArticleUseCase } from "article/useCases/getArticleUseCase";
+import { fetchArticle } from "article/data/articleAPIService";
 
 const AnArticleBody = () => {
   const store = useArticleStore();
-  const { id } = useParams();
   const { article, hasError, shouldShowLoading } = useArticleViewModel(
     store,
-    fetchArticleUseCase,
-    getArticleUseCase,
-    id ?? '',
+    new FetchArticleUseCase(fetchArticle, store),
+    new GetArticleUseCase(store),
   );
-  // useEffect(() => {
-  //   store.getArticle(newId);
-  // }, [id]);
   if (hasError) <NotFound />;
   return (
     <BaseLayout>