diff --git a/src/components/Article/Details.vue b/src/components/Article/Details.vue
index a900e30..f78d11f 100644
--- a/src/components/Article/Details.vue
+++ b/src/components/Article/Details.vue
@@ -45,7 +45,17 @@
                         <v-btn v-if="!expandDetails" class="primary" flat :to="{ name: 'article', params: { articleId: article.id } }">
                             Открыть
                         </v-btn>
-                        <v-btn v-if="expandDetails" class="primary" flat>Добавить</v-btn>
+                        <v-btn v-if="expandDetails && canAddArticle(article.id)"
+                            class="primary"
+                            flat
+                            @click="addArticle(article.id)"
+                        >
+                            Добавить
+                        </v-btn>
+                        <div v-if="getUserDataArticle(article.id)" class="ml-2">
+                            <v-icon color="white">work_outline</v-icon>
+                            Добавлено {{ getArticleAddedAt(article.id) | formattedDate }}
+                        </div>
                     </v-card-actions>
                 </v-flex>
             </v-layout>
@@ -54,6 +64,7 @@
 </template>
 
 <script>
+    import { mapGetters } from 'vuex';
     import YoutubeButton from '@/components/Article/YoutubeButton';
     import { getArticleLevel, declOfNum } from '@/helpers';
 
@@ -74,9 +85,24 @@
                 const partsCountWord = declOfNum(partsCount, ['часть', 'части', 'частей']);
                 return `${partsCount} ${partsCountWord}`;
             },
+            ...mapGetters(['isUserAuthentificated', 'getProcessing', 'userData']),
         },
         methods: {
-            getArticleLevel: getArticleLevel,
+            getArticleLevel,
+            getUserDataArticle(articleId) {
+                return this.userData.articles[articleId];
+            },
+            canAddArticle(articleId) {
+                const article = this.getUserDataArticle(articleId);
+                return this.isUserAuthentificated && !this.getProcessing && !article;
+            },
+            addArticle(articleId) {
+                this.$store.dispatch('addUserArticle', articleId);
+            },
+            getArticleAddedAt(articleId) {
+                const article = this.getUserDataArticle(articleId);
+                return article.addedAt;
+            }
         },
         components: {
             YoutubeButton,
diff --git a/src/components/Article/Part/ListItem.vue b/src/components/Article/Part/ListItem.vue
index 6816ea9..128f154 100644
--- a/src/components/Article/Part/ListItem.vue
+++ b/src/components/Article/Part/ListItem.vue
@@ -6,7 +6,13 @@
             </v-card-title>
             <v-card-actions>
                 <v-spacer></v-spacer>
-                <v-btn flat class="primary" :to="{
+                <div v-if="finishedAt" class="mr-2">
+                    <v-icon dark>check</v-icon> Завершено {{ finishedAt | formattedDate }}
+                </div>
+                <v-btn v-if="isUserArticleAdded"
+                    flat
+                    class="primary"
+                    :to="{
                         name: 'articlePart',
                         params: { articleId: this.articleId, partId: part.id },
                     }"
@@ -19,6 +25,8 @@
 </template>
 
 <script>
+    import { mapGetters } from 'vuex';
+
     export default {
         props: {
             part: {
@@ -30,6 +38,25 @@
                 required: true,
             },
         },
+        computed: {
+            ...mapGetters(['isUserAuthentificated', 'getProcessing', 'userData']),
+            currentUserArticle() {
+                return this.userData.articles[this.articleId];
+            },
+            currentUserArticlePart() {
+                const article = this.currentUserArticle;
+                return article ? article.parts[this.part.id] : null;
+            },
+            isUserArticleAdded() {
+                return this.isUserAuthentificated && !this.getProcessing && !!this.currentUserArticle;
+            },
+            finishedAt() {
+                const { currentUserArticlePart } = this;
+                return currentUserArticlePart ? currentUserArticlePart.finishedAt : null;
+            },
+        },
+        methods: {
+        },
     };
 </script>
 
diff --git a/src/store.js b/src/store.js
index a1cf36a..d3af844 100644
--- a/src/store.js
+++ b/src/store.js
@@ -4,6 +4,7 @@ import Vuex from 'vuex';
 import articleModule from '@/store/articles';
 import generalModule from '@/store/general';
 import userModule from '@/store/user';
+import userDataModule from '@/store/userData';
 
 Vue.use(Vuex);
 
@@ -12,5 +13,6 @@ export default new Vuex.Store({
     articleModule,
     generalModule,
     userModule,
+    userDataModule,
   },
 });
diff --git a/src/store/user.js b/src/store/user.js
index f040096..86a9b31 100644
--- a/src/store/user.js
+++ b/src/store/user.js
@@ -54,9 +54,10 @@ export default {
         signOut() {
             firebase.auth().signOut();
         },
-        stateChanged({ commit }, payload) {
+        stateChanged({ commit, dispatch }, payload) {
             if (payload) {
                 commit('setUser', payload.uid);
+                dispatch('loadUserData', payload.uid);
             } else {
                 commit('unSetUser');
             }
@@ -64,5 +65,6 @@ export default {
     },
     getters: {
         isUserAuthentificated: state => state.user.isAuthentificated,
+        userId: state => state.user.uid,
     },
 };
diff --git a/src/store/userData.js b/src/store/userData.js
new file mode 100644
index 0000000..f44b301
--- /dev/null
+++ b/src/store/userData.js
@@ -0,0 +1,111 @@
+import Vue from 'vue';
+
+const defaultUserData = {
+    articles: {},
+    words: {},
+};
+
+export default {
+    state: {
+        userData: defaultUserData,
+    },
+    actions: {
+        loadUserData({ commit }, userId) {
+            commit('setProcessing', true);
+
+            let userDataRef = Vue.$db.collection('userData').doc(userId);
+            userDataRef.get()
+                .then((data) => {
+                    let userData = data.exists ? data.data() : defaultUserData;
+
+                    if (!userData.articles) {
+                        userData.articles = {};
+                    }
+
+                    commit('setUserData', userData);
+                })
+                .catch(e => window.console.error(e));
+
+            commit('setProcessing', false);
+        },
+        addUserArticle({ commit, getters }, articleId) {
+            commit('setProcessing', true);
+
+            const userDataRef = Vue.$db.collection('userData').doc(getters.userId);
+            const article = {
+                addedAt: new Date(),
+                parts: {},
+            };
+
+            userDataRef.set({
+                articles: {
+                    [articleId]: article,
+                }
+            }, { merge: true })
+                .then(() => commit('addUserArticle', { articleId, article }))
+                .catch(e => window.console.error(e));
+
+            commit('setProcessing', false);
+        },
+        updateUserArticlePartStats({ commit, getters }, { articleId, partId }) {
+            const userDataRef = Vue.$db.collection('userData').doc(getters.userId);
+            const timestamp = new Date();
+            const articles = getters.userData.articles;
+
+            if (!articles.hasOwnProperty(articleId) || !articles[articleId].parts.hasOwnProperty(partId)) {
+                userDataRef.update({
+                    [`articles.${articleId}.parts.${partId}.addedAt`]: timestamp,
+                })
+                    .then(() => commit('addUserArticlePart', { articleId, partId, timestamp }))
+                    .catch(e => window.console.error(e));
+            }
+
+            userDataRef.update({
+                [`articles.${articleId}.parts.${partId}.lastOpenedAt`]: timestamp,
+            })
+                .then(() => commit('openUserArticlePart', { articleId, partId, timestamp }))
+                .catch(e => window.console.error(e));
+        },
+        finishUserArticlePart({ commit, getters }, { articleId, partId, rating }) {
+            commit('setProcessing', true);
+
+            const userDataRef = Vue.$db.collection('userData').doc(getters.userId);
+            const timestamp = new Date();
+
+            userDataRef.update({
+                [`articles.${articleId}.parts.${partId}.finishedAt`]: timestamp,
+                [`articles.${articleId}.parts.${partId}.rating`]: rating,
+            })
+                .then(() => commit('finishUserArticlePart', { articleId, partId, timestamp, rating }))
+                .catch(e => window.console.error(e));
+
+            commit('setProcessing', false);
+        }
+    },
+    mutations: {
+        setUserData(state, payload) {
+            Vue.set(state, 'userData', payload);
+        },
+        addUserArticle(state, { articleId, article }) {
+            Vue.set(state.userData.articles, articleId, article);
+        },
+        addUserArticlePart(state, { articleId, partId, timestamp }) {
+            if (state.userData.articles[articleId].parts[partId]) {
+                Vue.set(state.userData.articles[articleId].parts[partId], 'addedAt', timestamp);
+                return;
+            }
+
+            Vue.set(state.userData.articles[articleId].parts, partId, { addedAt: timestamp });
+        },
+        openUserArticlePart(state, { articleId, partId, timestamp }) {
+            Vue.set(state.userData.articles[articleId].parts[partId], 'lastOpenedAt', timestamp);
+        },
+        finishUserArticlePart(state, { articleId, partId, timestamp, rating }) {
+            Vue.set(state.userData.articles[articleId].parts[partId], 'finishedAt', timestamp);
+            Vue.set(state.userData.articles[articleId].parts[partId], 'rating', rating);
+        },
+    },
+    getters: {
+        userData: state => state.userData,
+    },
+};
diff --git a/src/views/ArticlePart.vue b/src/views/ArticlePart.vue
index dd678fe..72963a0 100644
--- a/src/views/ArticlePart.vue
+++ b/src/views/ArticlePart.vue
@@ -1,12 +1,58 @@
 <template>
     <v-container grid-list-md v-if="part">
         <v-layout row wrap>
+            <v-flex v-if="finishedAt" xs12 sm10 offset-sm1>
+                <v-card>
+                    <v-img src="https://img.icons8.com/nolan/64/000000/inspection.png"
+                        max-width="100px"
+                    >
+                    </v-img>
+                    <v-card-title primary-title>
+                        <div class="headline">Чтение этой части завершено {{ finishedAt | formattedDate }}</div>
+                    </v-card-title>
+                    <v-card-actions>
+                        <span>Оценка</span>
+                        <v-rating v-model="storedRating" color="success" half-increments readonly large></v-rating>
+                    </v-card-actions>
+                </v-card>
+            </v-flex>
             <v-flex xs12 sm10 offset-sm1>
                 <book-part-content :part="part"></book-part-content>
             </v-flex>
+
             <v-flex xs12 sm10 offset-sm1>
                 <book-part-words :words="part.words"></book-part-words>
             </v-flex>
+
+            <v-flex xs12 sm10 offset-sm1 class="text-xs-center">
+                <v-dialog v-model="finishDialog" persistent max-width="600px">
+                    <v-btn v-if="!finishedAt" slot="activator" color="success" dark @click.stop="finishDialog = true">
+                        <v-icon>check</v-icon> Завершить
+                    </v-btn>
+                    <v-card>
+                        <v-img src="https://img.icons8.com/nolan/64/000000/inspection.png"
+                            max-width="100px"
+                        >
+                        </v-img>
+                        <v-card-title primary-title>
+                            <div class="headline">Чтение этой части завершено.</div>
+                        </v-card-title>
+                        <v-card-text>
+                            <span>Оценка</span>
+                            <v-rating v-model="rating" color="success" half-increments large></v-rating>
+                        </v-card-text>
+                        <v-card-actions>
+                            <v-spacer></v-spacer>
+                            <v-btn color="primary" dark flat @click.native="finishDialog = false">
+                                <v-icon>close</v-icon> Закрыть
+                            </v-btn>
+                            <v-btn color="success" dark flat @click.native="finishWork">
+                                <v-icon>check</v-icon> Подтвердить
+                            </v-btn>
+                        </v-card-actions>
+                    </v-card>
+                </v-dialog>
+            </v-flex>
         </v-layout>
     </v-container>
 </template>
@@ -31,13 +77,56 @@
             BookPartContent,
             BookPartWords,
         },
+        computed: {
+            currentUserArticle() {
+                const articles = this.$store.getters.userData.articles;
+                if (!articles) {
+                    return null;
+                }
+                return articles[this.articleId];
+            },
+            currentUserArticlePart() {
+                const article = this.currentUserArticle;
+                if (!article) {
+                    return null;
+                }
+                
+                const articleParts = article.parts;
+                if (!articleParts) {
+                    return null;
+                }
+
+                return articleParts[this.partId];
+            },
+            finishedAt() {
+                const articlePart = this.currentUserArticlePart;
+                return articlePart ? articlePart.finishedAt : null
+            },
+            storedRating() {
+                const articlePart = this.currentUserArticlePart;
+                return articlePart ? articlePart.rating : 0;
+            }
+        },
+        methods: {
+            finishWork() {
+                this.$store.dispatch('finishUserArticlePart', { 
+                    articleId: this.articleId,
+                    partId: this.partId,
+                    rating: this.rating,
+                });
+                this.finishDialog = false;
+            }
+        },
         data: () => ({
             part: null,
+            finishDialog: false,
+            rating: 0,
         }),
         created() {
+            const { articleId, partId } = this;
             Vue.$db.collection('articleParts')
-                .where('articleId', '==', this.articleId)
-                .where('articlePartId', '==', this.partId)
+                .where('articleId', '==', articleId)
+                .where('articlePartId', '==', partId)
                 .get()
                 .then((querySnapshot) => {
                     const snapDocs = querySnapshot.docs;
@@ -45,7 +134,13 @@
                         this.part = Object.assign({}, snapDocs[0].data());
                     }
                 })
-                .catch(e => console.error(e));
+                .then(() => {
+                    this.$store.dispatch('updateUserArticlePartStats', {
+                        articleId,
+                        partId,
+                    });
+                })
+                .catch(e => window.console.error(e));
         }
     };
 </script>