From 0eafaeb27f0ee88fa0dda7872973ec736489d2a3 Mon Sep 17 00:00:00 2001
From: Sergey Krylov <ksv741@mail.ru>
Date: Thu, 16 Jan 2025 06:40:25 +0300
Subject: [PATCH] add vuex

---
 src/components/Navbar.vue        |   4 +
 src/main.js                      |   2 +
 src/pages/PostsPageWithStore.vue | 134 +++++++++++++++++++++++++++++++
 src/router/router.js             |   5 ++
 src/store/index.js               |   8 ++
 src/store/postModule.js          |  83 +++++++++++++++++++
 6 files changed, 236 insertions(+)
 create mode 100644 src/pages/PostsPageWithStore.vue
 create mode 100644 src/store/index.js
 create mode 100644 src/store/postModule.js

diff --git a/src/components/Navbar.vue b/src/components/Navbar.vue
index 515a17c..17f51d7 100644
--- a/src/components/Navbar.vue
+++ b/src/components/Navbar.vue
@@ -14,6 +14,10 @@
       <my-button @click="$router.push('/about')">
         О Нас
       </my-button>
+
+      <router-link to="/store">
+        <my-button>Посты Vuex</my-button>
+      </router-link>
     </div>
   </div>
 </template>
diff --git a/src/main.js b/src/main.js
index d386362..ed90e2a 100644
--- a/src/main.js
+++ b/src/main.js
@@ -4,6 +4,7 @@ import App from './App';
 import components from '@/components/ui';
 import dirictives from '@/dirictives';
 import router from '@/router/router';
+import store from '@/store';
 
 const app = createApp(App);
 
@@ -18,4 +19,5 @@ dirictives.forEach(dirictive => {
 
 app
   .use(router)
+  .use(store)
   .mount('#app')
diff --git a/src/pages/PostsPageWithStore.vue b/src/pages/PostsPageWithStore.vue
new file mode 100644
index 0000000..0d8cc65
--- /dev/null
+++ b/src/pages/PostsPageWithStore.vue
@@ -0,0 +1,134 @@
+<template>
+  <div>
+    <h1>Страница постов (Vuex)</h1>
+
+    <my-input
+        v-focus
+        :model-value="searchQuery"
+        @update:model-value="setSearchQuery"
+        placeholder="Поиск"
+        class="search"
+    />
+
+    <div class="app__btns">
+      <my-button @click="showCreateDialog" class="createBtn">
+        Создать пост
+      </my-button>
+
+      <my-select
+          :model-value="selectedSort"
+          @update:model-value="setSelectedSort"
+          :options="sortOptions"
+      />
+    </div>
+
+    <my-dialog v-model:show="dialogVisible">
+      <post-form @createPost="createPost" />
+    </my-dialog>
+
+    <div v-if="isPostLoading" style="margin-top: 15px">Loading...</div>
+
+    <post-list v-else :posts="sortedAndSearchedPosts" @removePost="removePost" class="postList"/>
+
+    <div v-intersection="getIntersectionData()" ref="observer" class="observer"></div>
+  </div>
+</template>
+
+<script>
+import PostForm from '@/components/PostForm.vue';
+import PostList from '@/components/PostList.vue';
+import {mapActions, mapState, mapGetters, mapMutations} from 'vuex';
+
+export default {
+  components: {
+    PostForm,
+    PostList
+  },
+  data() {
+    return {
+      dialogVisible: false,
+    }
+  },
+  methods: {
+    ...mapMutations({
+      setPage: 'post/setPage',
+      setSearchQuery: 'post/setSearchQuery',
+      setSelectedSort: 'post/setSelectedSort',
+    }),
+    ...mapActions({
+      fetchPosts: 'post/fetchPosts',
+      loadMorePost: 'post/loadMorePost'
+    }),
+    createPost(newPost) {
+      this.posts.push(newPost);
+      this.dialogVisible = false;
+    },
+    removePost(post) {
+      this.posts = this.posts.filter(p => p.id !== post.id)
+    },
+    showCreateDialog() {
+      this.dialogVisible = true;
+    },
+    getIntersectionData() {
+      return {
+        loadMorePost: this.loadMorePost,
+        page: this.page,
+        totalPages: this.totalPages,
+      }
+    }
+  },
+  computed: {
+    ...mapState({
+      posts: (state) => state.post.posts,
+      isPostLoading: (state) => state.post.isPostLoading,
+      selectedSort: (state) => state.post.selectedSort,
+      sortOptions: (state) => state.post.sortOptions,
+      searchQuery: (state) => state.post.searchQuery,
+      page: (state) => state.post.page,
+      limit: (state) => state.post.limit,
+      totalPages: (state) => state.post.totalPagess
+    }),
+    ...mapGetters({
+      sortedPost: 'post/sortedPost',
+      sortedAndSearchedPosts: 'post/sortedAndSearchedPosts'
+    })
+  },
+  watch: {
+    dialogVisible(newValue) {
+      if (newValue) {
+        document.body.style.overflow = 'hidden';
+      } else {
+        document.body.style.overflow = 'auto';
+      }
+    },
+  },
+  mounted() {
+    this.fetchPosts();
+  }
+}
+</script>
+
+<style>
+  .createBtn {
+    margin-top: 15px;
+  }
+
+  .postList {
+    margin-top: 15px;
+  }
+
+  .app__btns {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+  }
+
+  .search {
+    margin-top: 15px;
+  }
+
+  .observer {
+    height: 0px;
+    background: teal;
+  }
+</style>
diff --git a/src/router/router.js b/src/router/router.js
index 32fc3a8..6c1d7a9 100644
--- a/src/router/router.js
+++ b/src/router/router.js
@@ -3,6 +3,7 @@ import { createRouter, createWebHistory } from 'vue-router';
 import PostsPage from '@/pages/PostsPage.vue';
 import AboutPage from '@/pages/AboutPage.vue';
 import PostPage from '@/pages/PostPage.vue';
+import PostsPageWithStore from '@/pages/PostsPageWithStore.vue';
 
 const routes = [
   {
@@ -20,6 +21,10 @@ const routes = [
   {
     path: '/about',
     component: AboutPage,
+  },
+  {
+    path: '/store',
+    component: PostsPageWithStore,
   }
 ]
 
diff --git a/src/store/index.js b/src/store/index.js
new file mode 100644
index 0000000..7e9cf32
--- /dev/null
+++ b/src/store/index.js
@@ -0,0 +1,8 @@
+import { createStore } from 'vuex';
+import { postModule } from '@/store/postModule';
+
+export default createStore({
+  modules: {
+    post: postModule,
+  },
+})
diff --git a/src/store/postModule.js b/src/store/postModule.js
new file mode 100644
index 0000000..2b8b337
--- /dev/null
+++ b/src/store/postModule.js
@@ -0,0 +1,83 @@
+import axios from 'axios';
+
+export const postModule = {
+  state: () => ({
+    posts: [],
+    isPostLoading: false,
+    selectedSort: '',
+    sortOptions: [
+      {value: 'title', name: 'По названию'},
+      {value: 'body', name: 'По описанию'}
+    ],
+    searchQuery: '',
+    page: 1,
+    limit: 10,
+    totalPages: 0
+  }),
+  getters: {
+    sortedPost(state) {
+      return [...state.posts].sort((post1, post2) => {
+        return post1?.[state.selectedSort]?.localeCompare(post2?.[state.selectedSort])
+      })
+    },
+    sortedAndSearchedPosts(state, getters) {
+      return getters.sortedPost.filter((post) => post.title.toLowerCase().includes(state.searchQuery.toLowerCase()))
+    }
+  },
+  mutations: {
+    setPosts: (state, posts) => {
+      state.posts = posts
+    },
+    setIsPostLoading: (state, isPostLoading) => {
+      state.isPostLoading = isPostLoading
+    },
+    setSelectedSort: (state, selectedSort) => {
+      state.selectedSort = selectedSort
+    },
+    setSearchQuery: (state, searchQuery) => {
+      state.searchQuery = searchQuery
+    },
+    setPage: (state, page) => {
+      state.page = page
+    },
+    setTotalPages: (state, totalPages) => {
+      state.totalPages = totalPages
+    },
+  },
+  actions: {
+    async fetchPosts({state, commit}) {
+      try {
+        commit('setIsPostLoading', true);
+        const { data, headers } = await axios.get(`https://jsonplaceholder.typicode.com/posts`, {
+          params: {
+            _limit: state.limit,
+            _page: state.page
+          }
+        });
+
+        commit('setPosts', data);
+        commit('setTotalPages', Math.ceil(headers['x-total-count'] / state.limit))
+      } catch (e) {
+        alert(e.message);
+      } finally {
+        commit('setIsPostLoading', false);
+      }
+    },
+    async loadMorePost({state, commit}) {
+      commit('setPage', state.page + 1)
+      try {
+        const { data, headers } = await axios.get(`https://jsonplaceholder.typicode.com/posts`, {
+          params: {
+            _limit: state.limit,
+            _page: state.page,
+          }
+        });
+        commit('setPosts', [...state.posts, ...data]);
+        commit('setTotalPages', Math.ceil(headers['x-total-count'] / state.limit))
+      } catch (e) {
+        alert(e.message);
+      }
+    },
+  },
+  namespaced: true,
+}