讨论节点

hydro/handler/discussion.js

@@ -1,6 +1,4 @@
 const paginate = require('../lib/paginate');
-const problem = require('../model/problem');
-const contest = require('../model/contest');
 const system = require('../model/system');
 const user = require('../model/user');
 const discussion = require('../model/discussion');
@@ -8,20 +6,20 @@ const {
     Route, Handler,
 } = require('../service/server');
 const {
-    DiscussionNodeNotFoundError, DiscussionNotFoundError, DocumentNotFoundError,
+    DiscussionNotFoundError, DocumentNotFoundError,
 } = require('../error');
 const {
     PERM_VIEW_DISCUSSION, PERM_EDIT_DISCUSSION, PERM_EDIT_DISCUSSION_REPLY,
-    PERM_VIEW_PROBLEM_HIDDEN, PERM_DELETE_DISCUSSION, PERM_DELETE_DISCUSSION_REPLY,
-    PERM_HIGHLIGHT_DISCUSSION, PERM_LOGGEDIN, PERM_CREATE_DISCUSSION,
-    PERM_REPLY_DISCUSSION,
+    PERM_DELETE_DISCUSSION, PERM_DELETE_DISCUSSION_REPLY, PERM_HIGHLIGHT_DISCUSSION,
+    PERM_LOGGEDIN, PERM_CREATE_DISCUSSION, PERM_REPLY_DISCUSSION,
 } = require('../permission');
 
 class DiscussionHandler extends Handler {
     async _prepare({
-        type, docId, did, drid, drrid,
+        type = 'node', docId, name, did, drid, drrid,
     }) {
         this.checkPerm(PERM_VIEW_DISCUSSION);
+        docId = docId || name;
         if (did) {
             this.ddoc = await discussion.get(did);
             if (!this.ddoc) throw new DiscussionNotFoundError(did);
@@ -44,8 +42,11 @@ class DiscussionHandler extends Handler {
         // TODO(twd2): exclude problem/contest discussions?
         // TODO(iceboy): continuation based pagination.
         this.vnode = await discussion.getVnode({ parentType: type, parentId: docId }, this);
-        this.ddoc.parentType = this.ddoc.parentType || this.vnode.type;
-        this.ddoc.parentId = this.ddoc.parentId || this.vnode.id;
+        if (this.ddoc) {
+            this.ddoc.parentType = this.ddoc.parentType || this.vnode.type;
+            this.ddoc.parentId = this.ddoc.parentId || this.vnode.id;
+        }
+        console.log(this.vnode);
     }
 }
 
@@ -69,7 +70,10 @@ class DiscussionMainHandler extends DiscussionHandler {
 }
 
 class DiscussionNodeHandler extends DiscussionHandler {
-    async get({ type, docId, page = 1 }) {
+    async get({
+        type = 'node', docId, name, page = 1,
+    }) {
+        docId = docId || name;
         const [ddocs, dpcount] = await paginate(
             discussion.getMulti({ type, docId }),
             page,
@@ -100,7 +104,8 @@ class DiscussionCreateHandler extends DiscussionHandler {
         this.checkPerm(PERM_CREATE_DISCUSSION);
     }
 
-    async get({ type, docId }) {
+    async get({ type = 'node', docId, name }) {
+        docId = docId || name;
         const path = [
             ['Hydro', '/'],
             ['discussion_main', '/discuss'],
@@ -112,8 +117,9 @@ class DiscussionCreateHandler extends DiscussionHandler {
     }
 
     async post({
-        type, docId, title, content, highlight,
+        type = 'node', docId, name, title, content, highlight,
     }) {
+        docId = docId || name;
         this.limitRate('add_discussion', 3600, 30);
         if (highlight) this.checkPerm(PERM_HIGHLIGHT_DISCUSSION);
         const did = await discussion.add(
@@ -153,7 +159,7 @@ class DiscussionDetailHandler extends DiscussionHandler {
         ];
         this.response.template = 'discussion_detail.html';
         this.response.body = {
-            path, ddoc: this.ddoc, dsdoc, drdocs, page, pcount, drcount, udict,
+            path, ddoc: this.ddoc, dsdoc, drdocs, page, pcount, drcount, udict, vnode: this.vnode,
         };
     }
 
@@ -272,6 +278,8 @@ async function apply() {
     Route('/discuss/:did/raw', module.exports.DiscussionDetailRawHandler);
     Route('/discuss/:did/:drid/raw', module.exports.DiscussionReplyRawHandler);
     Route('/discuss/:did/:drid/:drrid/raw', module.exports.DiscussionTailReplyRawHandler);
+    Route('/discuss/node/:name', module.exports.DiscussionNodeHandler);
+    Route('/discuss/node/:name/create', module.exports.DiscussionCreateHandler);
     Route('/discuss/:type/:docId', module.exports.DiscussionNodeHandler);
     Route('/discuss/:type/:docId/create', module.exports.DiscussionCreateHandler);
 }

hydro/handler/fs.js

@@ -3,6 +3,7 @@ const { Route, Handler } = require('../service/server');
 
 class FileDownloadHandler extends Handler {
     async get({ id, secret, name }) {
+        if (name) name = Buffer.from(name, 'base64').toString();
         this.response.attachment(name || id);
         this.response.body = await file.get(id, secret);
     }
@@ -10,6 +11,7 @@ class FileDownloadHandler extends Handler {
 
 async function apply() {
     Route('/fs/:id/:secret', module.exports.FileDownloadHandler);
+    Route('/fs/:id/:name/:secret', module.exports.FileDownloadHandler);
 }
 
 global.Hydro.handler.file = module.exports = {

hydro/loader.js

@@ -33,7 +33,7 @@ try {
         pending.push(m);
     }
 } catch (e) {
-    console.log(e);
+    // Ignore Missing
 }
 
 async function preload() {

hydro/model/builtin.js

@@ -5,6 +5,66 @@ const BUILTIN_ROLES = [
     { _id: 'default', perm: perm.PERM_DEFAULT, count: 0 },
     { _id: 'root', perm: perm.PERM_ALL, count: 0 },
 ];
+
+const DEFAULT_NODES = {
+    探索: [
+        { pic: 'qa', name: '问答' },
+        { pic: 'share', name: '分享' },
+        { pic: 'solution', name: '题解' },
+    ],
+    Vijos: [
+        { pic: 'vijos', name: 'Vijos' },
+        { pic: null, name: '团队' },
+        { pic: null, name: '月赛' },
+        { pic: 'advice', name: '建议' },
+    ],
+    数据结构: [
+        { pic: null, name: '散列表' },
+        { pic: null, name: '搜索树' },
+        { pic: null, name: '栈和队列' },
+        { pic: null, name: '图' },
+        { pic: null, name: '堆' },
+    ],
+    算法: [
+        { pic: null, name: '数论' },
+        { pic: null, name: '几何' },
+        { pic: null, name: '图论' },
+        { pic: null, name: '网络流' },
+        { pic: null, name: '动态规划' },
+        { pic: null, name: '背包' },
+        { pic: null, name: '排序' },
+        { pic: null, name: '搜索' },
+        { pic: null, name: '并查集' },
+        { pic: null, name: '贪心' },
+        { pic: null, name: '博弈论' },
+    ],
+    在线题库: [
+        { pic: null, name: 'CodeForces' },
+        { pic: null, name: 'TopCoder' },
+        { pic: null, name: 'POJ' },
+        { pic: null, name: 'BZOJ' },
+        { pic: null, name: 'USACO' },
+        { pic: null, name: 'RQNOJ' },
+        { pic: null, name: 'UOJ' },
+        { pic: null, name: 'LOJ' },
+        { pic: null, name: '洛谷' },
+    ],
+    泛: [
+        { pic: null, name: '数学' },
+        { pic: null, name: '编程' },
+        { pic: null, name: '数据库' },
+        { pic: null, name: 'C' },
+        { pic: null, name: 'C++' },
+        { pic: null, name: 'Pascal' },
+        { pic: null, name: 'Java' },
+        { pic: null, name: 'PHP' },
+        { pic: null, name: 'Python' },
+        { pic: null, name: '游戏' },
+        { pic: null, name: '保送' },
+        { pic: null, name: 'ACM' },
+    ],
+};
+
 const CATEGORIES = {
     动态规划: [
         'LCS',
@@ -232,6 +292,7 @@ const STATUS_CODES = {
 
 global.Hydro.model.builtin = module.exports = {
     BUILTIN_ROLES,
+    DEFAULT_NODES,
     CATEGORIES,
     VIEW_LANGS,
     FOOTER_EXTRA_HTMLS,

hydro/model/discussion.js

@@ -3,7 +3,7 @@ const problem = require('./problem');
 const contest = require('./contest');
 const { PERM_VIEW_PROBLEM_HIDDEN } = require('../permission');
 const { DocumentNotFoundError } = require('../error');
-const db = require('../service/db.js');
+const db = require('../service/db');
 
 const coll = db.collection('discussion');
 const collReply = db.collection('discussion.reply');
@@ -133,6 +133,10 @@ function getStatus(did, uid) {
     return collStatus.findOne({ did, uid });
 }
 
+function addNode(_id, category) {
+    return collNode.insertOne({ _id, category });
+}
+
 function getNode(_id) {
     return collNode.findOne({ _id });
 }
@@ -148,7 +152,7 @@ async function getVnode(ddoc, handler) {
         return { ...tdoc, type: ddoc.parentType, id: ddoc.parentId };
     } if (ddoc.parentType === 'node') {
         const ndoc = await getNode(ddoc.parentId);
-        return { ...ndoc, type: ddoc.parentType, id: ddoc.parentId };
+        return { title: ndoc._id, type: ddoc.parentType, id: ddoc.parentId };
     }
     return {
         title: 'Missing Node',
@@ -185,6 +189,7 @@ global.Hydro.model.discussion = module.exports = {
     delTailReply,
     setStar,
     getStatus,
+    addNode,
     getVnode,
     getListVnodes,
 };

hydro/model/file.js

@@ -5,6 +5,10 @@ const hash = require('../lib/hash.hydro');
 
 const coll = db.collection('file');
 
+function _timestamp() {
+    return Math.floor(Number(new Date()) / 1000000);
+}
+
 async function add(stream, filename, meta = {}) {
     const file = await coll.insertOne(meta);
     const w = fs.openUploadStreamWithId(file.insertedId, filename);
@@ -43,11 +47,11 @@ async function dec(_id) {
 async function get(_id, secret = null) {
     const file = await coll.findOne({ _id });
     if (typeof secret !== 'undefined') {
-        const timestamp = Math.floor(Number(new Date())).toString();
-        if (!(
-            hash.check(file.secret, timestamp, secret)
-            || hash.check(file.secret, timestamp - 1, secret))) {
-            throw new ForbiddenError();
+        const timestamp = _timestamp();
+        if (!hash.check(file.secret, timestamp.toString(), secret)) {
+            if (!hash.check(file.secret, timestamp.toString() - 1, secret)) {
+                throw new ForbiddenError();
+            }
         }
     }
     return fs.openDownloadStream(_id);
@@ -59,11 +63,11 @@ function getMeta(_id) {
 
 async function url(_id, name) {
     const file = await coll.findOne({ _id });
-    const secret = hash.hash(file.secret, Math.floor(Number(new Date())).toString());
-    if (name) return `/fs/${_id}/${secret}?name=${Buffer.from(name).toString('base64')}`;
+    const secret = hash.hash(file.secret, _timestamp().toString());
+    if (name) return `/fs/${_id}/${Buffer.from(name).toString('base64')}/${secret}`;
     return `/fs/${_id}/${secret}`;
 }
 
-global.Hydro.model.blacklist = module.exports = {
+global.Hydro.model.file = module.exports = {
     add, get, del, inc, dec, getMeta, url,
 };

hydro/model/index.js

@@ -13,4 +13,5 @@ module.exports = {
     task: require('./task'),
     message: require('./message'),
     setting: require('./setting'),
+    file: require('./file'),
 };

hydro/model/message.js

@@ -21,8 +21,8 @@ async function send(from, to, content) {
         $setOnInsert: {
             from: Math.min(from, to),
             to: Math.max(from, to),
-            fromUnread: false,
-            toUnread: true,
+            fromUnread: from > to,
+            toUnread: from < to,
         },
     }, { upsert: true });
     return await coll.findOne({ // eslint-disable-line no-return-await

hydro/model/opcount.js

@@ -1,5 +1,5 @@
 const { OpcountExceededError } = require('../error');
-const db = require('../service/db.js');
+const db = require('../service/db');
 
 const coll = db.collection('opcount');
 

hydro/model/record.js

@@ -4,7 +4,7 @@ const { STATUS_WAITING } = require('./builtin').STATUS;
 const task = require('./task');
 const problem = require('./problem');
 const { RecordNotFoundError } = require('../error');
-const db = require('../service/db.js');
+const db = require('../service/db');
 
 const coll = db.collection('record');
 

hydro/model/solution.js

@@ -1,7 +1,7 @@
 const { ObjectID } = require('bson');
 const { SolutionNotFoundError } = require('../error');
 const validator = require('../lib/validator');
-const db = require('../service/db.js');
+const db = require('../service/db');
 
 const coll = db.collection('solution');
 const collStatus = db.collection('solution.status');

hydro/model/system.js

@@ -1,4 +1,4 @@
-const db = require('../service/db.js');
+const db = require('../service/db');
 
 const coll = db.collection('system');
 

hydro/model/task.js

@@ -1,4 +1,4 @@
-const db = require('../service/db.js');
+const db = require('../service/db');
 
 const coll = db.collection('task');
 

hydro/model/token.js

@@ -1,4 +1,4 @@
-const db = require('../service/db.js');
+const db = require('../service/db');
 const { ValidationError } = require('../error');
 
 const coll = db.collection('token');

hydro/model/training.js

@@ -1,7 +1,7 @@
 const assert = require('assert');
 const validator = require('../lib/validator');
 const { ValidationError, TrainingNotFoundError, TrainingAlreadyEnrollError } = require('../error');
-const db = require('../service/db.js');
+const db = require('../service/db');
 
 const coll = db.collection('traning');
 const collStatus = db.collection('training.status');

hydro/model/user.js

@@ -31,7 +31,7 @@ class USER {
     }
 
     checkPassword(password) {
-        const h = global.Hydro.lib[`hash.${this.hashType}`];
+        const h = global.Hydro.lib[`hash.${this.hashType || 'hydro'}`];
         if (!h) throw new Error('Unknown hash method');
         return h.check(password, this.salt(), this.hash());
     }

hydro/script/install.js

@@ -1,6 +1,7 @@
 const { defaults } = require('lodash');
 const db = require('../service/db');
 const builtin = require('../model/builtin');
+const discussion = require('../model/discussion');
 const system = require('../model/system');
 const pwhash = require('../lib/hash.hydro');
 const { udoc } = require('../interface');
@@ -36,7 +37,7 @@ async function run() {
         changemail_token_expire_seconds: 3600 * 24,
         registration_token_expire_seconds: 600,
     };
-    const tasks = [];
+    let tasks = [];
     for (const key in def) {
         tasks.push(system.set(key, def[key]));
     }
@@ -77,6 +78,14 @@ async function run() {
     }
     await collRole.deleteMany({ _id: { $in: builtin.BUILTIN_ROLES.map((role) => role._id) } });
     await collRole.insertMany(builtin.BUILTIN_ROLES);
+    tasks = [];
+    for (const category in builtin.DEFAULT_NODES) {
+        const nodes = builtin.DEFAULT_NODES[category];
+        for (const node of nodes) {
+            tasks.push(discussion.addNode(node.name, category));
+        }
+    }
+    await Promise.all(tasks);
 }
 
 global.Hydro.script.install = module.exports = { run };

module/contest-rule-homework/model.js

@@ -1,4 +1,3 @@
 const homework = require('./homework');
 
-const rules = global.Hydro['model.contest'].RULES;
-rules.homework = homework;
+global.Hydro.model.contest.RULES.homework = homework;

module/migrate-vijos/script.js

@@ -1,7 +1,7 @@
 /* eslint-disable no-await-in-loop */
 const { mongodb } = global.Hydro.nodeModules;
 const dst = global.Hydro.service.db;
-const { problem } = global.Hydro.model;
+const { problem, discussion } = global.Hydro.model;
 
 const map = {};
 
@@ -112,8 +112,8 @@ const tasks = {
                 nReply: doc.num_replies,
                 ip: doc.ip,
                 updateAt: doc.update_at,
-                parentType: TYPE[doc.parentType],
-                parentId: doc.parentId,
+                parentType: TYPE[doc.parent_doc_type],
+                parentId: doc.parent_doc_id,
             });
         }
         return discussions;
@@ -123,8 +123,23 @@ const tasks = {
         owner: doc.owner_uid,
         ip: doc.ip,
         content: doc.content,
-        parentId: doc.parent_doc_id,
+        did: doc.parent_doc_id,
     })),
+    'discussion.node': async (docs) => {
+        const t = [];
+        for (const doc of docs) {
+            if (doc.domain_id === 'system') {
+                for (const r of doc.content) {
+                    const category = r[0];
+                    for (const n of r[1]) {
+                        t.push(discussion.addNode(n.name, category));
+                    }
+                }
+            }
+        }
+        await Promise.all(t);
+        return [];
+    },
     contest: async (docs) => {
         const RULES = {
             2: 'oi',
@@ -268,6 +283,7 @@ const cursor = {
     solution: (s) => s.collection('document').find({ doc_type: 11 }),
     discussion: (s) => s.collection('document').find({ doc_type: 21 }),
     'discussion.reply': (s) => s.collection('document').find({ doc_type: 22 }),
+    'discussion.node': (s) => s.collection('document').find({ doc_type: 20 }),
     contest: (s) => s.collection('document').find({ doc_type: 30 }),
     'contest.status': (s) => s.collection('document.status').find({ doc_type: 30 }),
     training: (s) => s.collection('document').find({ doc_type: 40 }),
@@ -322,15 +338,15 @@ async function migrateVijos({
     }
     const d = [
         'problem', 'problem.status', 'solution', 'discussion', 'discussion.reply',
-        'contest', 'training', 'training.status', 'record', 'file',
+        'discussion.node', 'contest', 'training', 'training.status', 'record', 'file',
     ];
     for (const i of d) {
         await dst.collection(i).deleteMany();
     }
     const t = [
         'user', 'problem', 'problem.status', 'solution', 'discussion',
-        'discussion.reply', 'contest', 'training', 'training.status', 'record',
-        'file',
+        'discussion.reply', 'discussion.node', 'contest', 'training', 'training.status',
+        'record', 'file',
     ];
     for (const i of t) await task(i, src, report);
 }

templates/discussion_detail.html

@@ -117,9 +117,11 @@
         </div>
       </div>
     </div>
-    {% set pdoc=vnode %}
-    {% set owner_udoc=udict[vnode['owner']] %}
-    {% include "partials/problem_sidebar.html" %}
+    {% if vnode.type == 'problem' %}
+      {% set pdoc = vnode %}
+      {% set owner_udoc = udict[vnode['owner']] %}
+      {% include "partials/problem_sidebar.html" %}
+    {% endif %}
   </div>
 </div>
 {% endblock %}