article slice

src/article/controller/articleViewModel.ts

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+import type { ArticleStore } from "../domain/articleStore";
+import { getArticleUseCase } from "../useCases/getArticleUseCase";
+import { useCallback, useEffect } from "react";
+
+function useArticleViewModel(store: ArticleStore) {
+  const _getArticle = useCallback(
+    (id: string) => getArticleUseCase(store.getArticle, store.setArticle, id),
+    [store.getArticle, store.setArticle]
+  );
+
+  useEffect(() => {
+    if (store.article != undefined) {
+      _getArticle(store.article.id);
+    }
+  }, [store.article?.id]);
+
+  return {
+    article: store.article,
+    shouldShowLoading: typeof store.article === "undefined" || store.isLoading,
+    hasError: store.hasError,
+  };
+}
+
+export { useArticleViewModel };

src/article/data/articleAPIService.ts

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+import axios from "axios";
+import { Article } from "../domain/articleEntity";
+import { create } from "../domain/articleModel";
+import { FetchArticleByIdDTO } from "./dto/fetch_article_by_id_dto";
+import Failure from "core/failure";
+
+async function getArticle(id: string): Promise<Article> {
+  try {
+    // await new Promise((res, _) => {
+    //   setTimeout(() => res(null), 2000);
+    // });
+    const response = await axios.get<FetchArticleByIdDTO>(
+      `https://run.mocky.io/v3/62cd4581-d864-4d46-b1d6-02b45b5d1994/${id}`
+      // `https://jsonplaceholder.typicode.com/posts/${id}`
+      // `http://scipaper.ru/v1/papers/${id}`
+    );
+    const dto = response.data;
+    return create({
+      id: dto.id,
+      topic: dto.topic,
+      title: dto.title,
+      authors: dto.authors,
+      tags: dto.tags,
+      summary: dto.summary,
+      content: dto.content,
+    });
+  } catch (reason) {
+    if (axios.isAxiosError(reason)) {
+      throw Failure.fromReason(reason, "failures.services.load");
+    }
+    throw reason;
+  }
+}
+
+export { getArticle };

src/article/data/articleActionTypes.ts

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+export const SET_ARTICLE = "SET_ARTICLE";
+export const GET_ARTICLE = "GET_ARTICLE";
+export const GET_ARTICLE_SUCCESS = "GET_ARTICLE.success";
+export const GET_ARTICLE_FAILURE = "GET_ARTICLE.failure";

src/article/data/articleActions.ts

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+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 getArticleAction = (id: string) => (dispatch: any) => {
+  dispatch({ type: actionTypes.GET_ARTICLE });
+
+  return getArticleAPI(id)
+    .then((article) => {
+      dispatchStatus(actionTypes.GET_ARTICLE, ".success", article)(dispatch);
+      return article;
+    })
+    .catch((reason) => {
+      dispatchStatus(actionTypes.GET_ARTICLE, ".failure", reason)(dispatch);
+      return reason;
+    });
+};
+
+export { setArticleAction, getArticleAction };

src/article/data/articleCommonStateStore.ts

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+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 dispatch = useDispatch();
+
+  const getArticle = useCallback(
+    async (id: string) => {
+      setLoading(true);
+      try {
+        const article = await getArticleAPI(id);
+        setArticleState(article);
+        setLoading(false);
+        return article;
+      } catch (error) {
+        setError(true);
+        return null;
+      }
+    },
+    [dispatch]
+  );
+
+  return {
+    article: article,
+    isLoading,
+    hasError,
+    setArticle: setArticleState,
+    getArticle,
+  };
+};
+
+export { useArticleCommonStore };

src/article/data/articleReducer.ts

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+import { AnyAction } from "@reduxjs/toolkit";
+import { Article } from "article/domain/articleEntity";
+import type { ArticleStore } from "../domain/articleStore";
+import * as actionTypes from "./articleActionTypes";
+
+type ArticleStoreState = Omit<ArticleStore, "getArticle" | "setArticle">;
+
+const INITIAL_STATE: ArticleStoreState = {
+  article: undefined,
+  isLoading: false,
+  hasError: false,
+};
+
+const articleReducer = (
+  state: ArticleStoreState = INITIAL_STATE,
+  action: AnyAction
+): ArticleStoreState => {
+  switch (action.type) {
+    case actionTypes.SET_ARTICLE:
+      return { ...state, article: action.article };
+    case actionTypes.GET_ARTICLE:
+      return { ...state, isLoading: true };
+    case actionTypes.GET_ARTICLE_SUCCESS:
+      return { ...state, isLoading: false, article: action.payload };
+    case actionTypes.GET_ARTICLE_FAILURE:
+      return { ...state, hasError: true, isLoading: false };
+    default:
+      return state;
+  }
+};
+
+export { articleReducer };
+export type { ArticleStoreState };

src/article/data/articleStoreImplementation.ts

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+import React, { useCallback, useState } from "react";
+import { useDispatch, useSelector } from "react-redux";
+import { ArticleStore } from "../domain/articleStore";
+import type { Article } from "../domain/articleEntity";
+import type { ArticleStoreState } from "../data/articleReducer";
+import { getArticleAction, setArticleAction } from "./articleActions";
+import { RootState, useAppSelector } from "store";
+
+const articleSelector = (state: RootState): ArticleStoreState => state.article;
+
+const useArticleStore = (): ArticleStore => {
+  const { isLoading, article, hasError } = useAppSelector(articleSelector);
+
+  const dispatch = useDispatch();
+
+  const setArticle = useCallback(
+    (article: Article) => setArticleAction(article)(dispatch),
+    [dispatch]
+  );
+
+  const getArticle = useCallback(
+    (id: string) => getArticleAction(id)(dispatch),
+    [dispatch]
+  );
+
+  return {
+    article: article,
+    isLoading,
+    hasError,
+    setArticle,
+    getArticle,
+  };
+};
+
+export { useArticleStore };

src/article/data/dto/fetch_article_by_id_dto.ts

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+export interface FetchArticleByIdDTO {
+  id: string;
+  topic: string;
+  title: string;
+  authors: string[];
+  tags: string[];
+  summary: string;
+  content: string;
+}

src/article/domain/articleEntity.ts

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+export interface Article {
+  id: string;
+  topic: string;
+  title: string;
+  authors: string[];
+  tags: string[];
+  summary: string;
+  content: string;
+}

src/article/domain/articleModel.ts

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+import { CreateArticleParams } from "article/useCases/params/create_article_params";
+import { Article } from "./articleEntity";
+
+const create = (props: CreateArticleParams): Article => ({
+  id: props.id,
+  topic: props.topic,
+  title: props.title,
+  authors: props.authors,
+  tags: props.tags,
+  summary: props.summary,
+  content: props.content,
+});
+
+export { create };

src/article/domain/articleStore.ts

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+import type { Article } from "./articleEntity";
+
+interface ArticleStore {
+  // State
+  article: Article | undefined;
+  isLoading: boolean;
+  hasError: boolean;
+
+  // Actions
+  setArticle(article?: Article): void;
+  getArticle(identifier: string): Promise<Article | null>;
+}
+
+export type { ArticleStore };

src/article/useCases/getArticleUseCase.ts

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+import { Article } from "article/domain/articleEntity";
+import type { ArticleStore } from "../domain/articleStore";
+
+const getArticleUseCase = async (
+  getArticle: ArticleStore["getArticle"],
+  setArticle: ArticleStore["setArticle"],
+  id: Article["id"]
+): Promise<Article | null> => {
+  const article = await getArticle(id);
+  if (article) {
+    await setArticle(article);
+  }
+  return article;
+};
+
+export { getArticleUseCase };

src/article/useCases/params/create_article_params.ts

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+export interface CreateArticleParams {
+  id: string;
+  topic: string;
+  title: string;
+  authors: string[];
+  tags: string[];
+  summary: string;
+  content: string;
+}