保存关注到本地，时间线分子模式

src/App.js

@@ -5,6 +5,7 @@ import { Sidebar } from './Sidebar';
 import { PressureHelper } from './PressureHelper';
 import { TokenCtx } from './UserAction';
 import { load_config, bgimg_style } from './Config';
+import { load_attentions } from './Attention.js';
 import { listen_darkmode } from './infrastructure/functions';
 import { LoginPopup, TitleLine } from './infrastructure/widgets';
 
@@ -18,6 +19,7 @@ class App extends Component {
   constructor(props) {
     super(props);
     load_config();
+    load_attentions();
     listen_darkmode(
       { default: undefined, light: false, dark: true }[
         window.config.color_scheme

src/Attention.js

@@ -0,0 +1,7 @@
+export function load_attentions() {
+  window.saved_attentions = JSON.parse(localStorage['saved_attentions'] || '[]');
+}
+
+export function save_attentions() {
+  localStorage['saved_attentions'] = JSON.stringify(window.saved_attentions);
+}

src/Flows.css

@@ -319,3 +319,23 @@
   height: 50vh;
   padding: 12px;
 }
+
+.export-btn {
+  float: right;
+}
+
+.flow-submode-choice {
+  display: inline-block;
+  color: white;
+}
+
+.flow-submode-choice a {
+  margin: 10px;
+  color: white;
+}
+
+.flow-submode-choice a.choiced {
+  margin: 10px;
+  color: white;
+  font-weight: bold;
+}

src/Flows.js

@@ -21,10 +21,9 @@ import {
 import './Flows.css';
 import LazyLoad, { forceCheck } from './react-lazyload/src';
 import { TokenCtx, ReplyForm } from './UserAction';
-
 import { API } from './flows_api';
-
 import { cache } from './cache';
+import { save_attentions } from './Attention'
 
 /*
 const IMAGE_BASE = 'https://thimg.yecdn.com/';
@@ -429,7 +428,8 @@ class FlowSidebar extends PureComponent {
       loading_status: 'loading',
     });
     const prev_info = this.state.info;
-    API.set_attention(this.state.info.pid, !this.state.attention, this.props.token)
+    const pid = prev_info.pid;
+    API.set_attention(pid, !this.state.attention, this.props.token)
       .then((json) => {
         this.setState({
           loading_status: 'done',
@@ -439,6 +439,17 @@ class FlowSidebar extends PureComponent {
                 }),
         });
         console.log(json);
+
+        let saved_attentions = window.saved_attentions;
+        if (json.attention && !saved_attentions.includes(pid)) {
+          saved_attentions.unshift(pid)
+        } else if (!json.attention && saved_attentions.includes(pid)) {
+          const idx = saved_attentions.indexOf(pid);
+          saved_attentions.splice(idx, 1)
+        }
+        window.saved_attentions = saved_attentions;
+        save_attentions();
+
         this.syncState({
           attention: json.attention,
           info: Object.assign({}, prev_info, {
@@ -1102,6 +1113,67 @@ function FlowChunk(props) {
 }
 
 export class Flow extends PureComponent {
+  constructor(props) {
+    super(props);
+    this.state = {
+      submode: this.props.mode == 'list' ? (window.config.by_c ? 1 : 0) : 0,
+      subflow_render_key: +new Date(),
+    }
+  }
+
+  get_submode_names(mode) {
+    switch(mode) {
+      case('list'):
+        return ['最新', '最近回复', '近期热门'];
+      case('attention'):
+        return ['线上', '本地']
+    }
+    return []
+  }
+
+  set_submode(submode) {
+    if (this.props.mode === 'list' && submode === 2) {
+      alert('将在下个版本提供');
+      return;
+    }
+    this.setState({
+      submode: submode,
+      subflow_render_key: +new Date(),
+    });
+  }
+
+  render() {
+    const { submode } = this.state;
+    const submode_names = this.get_submode_names(this.props.mode)
+    return (
+      <>
+        <div className="aux-margin flow-submode-choice">
+          {submode_names.map((name, idx) => (
+            <a 
+              key={idx}
+              className={submode === idx ? 'choiced' : ''}
+              onClick={this.set_submode.bind(this, idx)}
+            >
+              {name}
+            </a>
+          ))}
+        </div>
+  
+        <SubFlow
+          key={this.state.subflow_render_key}
+          show_sidebar={this.props.show_sidebar}
+          mode={this.props.mode}
+          submode={this.state.submode}
+          search_text={this.props.search_text}
+          token={this.props.token}
+        />
+      </>
+    )
+  }
+}
+
+
+class SubFlow extends PureComponent {
   constructor(props) {
     super(props);
     this.state = {
@@ -1112,7 +1184,6 @@ export class Flow extends PureComponent {
         title: '',
         data: [],
       },
-      can_export: false,
       export_text: '',
       loading_status: 'done',
       error_msg: null,
@@ -1137,7 +1208,7 @@ export class Flow extends PureComponent {
       console.log('fetching page', page);
       cache();
       if (this.state.mode === 'list') {
-        API.get_list(page, this.props.token)
+        API.get_list(page, this.props.token, this.props.submode)
           .then((json) => {
             if (page === 1 && json.data.length) {
               // update latest_post_id
@@ -1235,6 +1306,8 @@ export class Flow extends PureComponent {
           }
         }
         console.log(use_search, use_regex);
+
+        if (this.props.submode === 0) {
           API.get_attention(this.props.token)
             .then((json) => {
               this.setState({
@@ -1258,10 +1331,27 @@ export class Flow extends PureComponent {
                 },
                 mode: 'attention_finished',
                 loading_status: 'done',
-              can_export: !use_search,
               });
+              if (!use_search) {
+                window.saved_attentions = Array.from(
+                  new Set([
+                    ...window.saved_attentions,
+                    ...json.data.map(post => post.pid)
+                  ])
+                ).sort().reverse();
+                save_attentions();
+              }
             })
             .catch(failed);
+        } else if (this.props.submode === 1) {
+          this.setState({
+            title: 'Attention List: Local',
+            data: [],
+            export_text: `以下是浏览器本地保存的关注列表，将在下个版本提供直接展示\n\n#${
+              window.saved_attentions.join('\n#')
+            }`
+          });
+        }
       } else {
         console.log('nothing to load');
         return;
@@ -1314,8 +1404,9 @@ export class Flow extends PureComponent {
     const should_deletion_detect = localStorage['DELETION_DETECT'] === 'on';
     return (
       <div className="flow-container">
-        {this.state.can_export && (
-          <button type="button" onClick={this.gen_export.bind(this)}>导出</button>
+
+        {this.state.mode === 'attention_finished' && this.props.submode == 0 && (
+          <button className="export-btn" type="button" onClick={this.gen_export.bind(this)}>导出</button>
         )}
 
         {this.state.export_text && (

src/UserAction.js

@@ -16,6 +16,7 @@ import {
   API,
   get_json,
 } from './flows_api';
+import { save_attentions } from './Attention'
 
 import './UserAction.css';
 
@@ -266,7 +267,8 @@ export class ReplyForm extends Component {
     });
 
     let data = new URLSearchParams();
-    data.append('pid', this.props.pid);
+    let pid = this.props.pid;
+    data.append('pid', pid);
     data.append('text', this.state.text);
     fetch(
       API_BASE + '/docomment',
@@ -286,6 +288,13 @@ export class ReplyForm extends Component {
           throw new Error(JSON.stringify(json));
         }
         
+        let saved_attentions = window.saved_attentions;
+        if (!saved_attentions.includes(pid)) {
+          saved_attentions.unshift(pid)
+          window.saved_attentions = saved_attentions;
+          save_attentions();
+        }
+
         this.setState({
           loading_status: 'done',
           text: '',

src/flows_api.js

@@ -136,11 +136,11 @@ export const API = {
     return handle_response(response, true);
   },
 
-  get_list: async (page, token) => {
+  get_list: async (page, token, submode) => {
     let response = await fetch(
       API_BASE + '/getlist?p=' + page 
         + (window.config.no_c_post ? '&no_cw' : '')
-        + (window.config.by_c ? '&by_c' : ''),
+        + (submode ? '&by_c' : ''),
       {
         headers: {'User-Token': token},
       },