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-rw-r--r--lib/models/note.js1011
1 files changed, 500 insertions, 511 deletions
diff --git a/lib/models/note.js b/lib/models/note.js
index 8b38d3f9..bef9ee21 100644
--- a/lib/models/note.js
+++ b/lib/models/note.js
@@ -1,535 +1,524 @@
-"use strict";
-
// external modules
-var fs = require('fs');
-var path = require('path');
-var LZString = require('lz-string');
-var md = require('markdown-it')();
-var metaMarked = require('meta-marked');
-var cheerio = require('cheerio');
-var shortId = require('shortid');
-var Sequelize = require("sequelize");
-var async = require('async');
-var moment = require('moment');
-var DiffMatchPatch = require('diff-match-patch');
-var dmp = new DiffMatchPatch();
-var S = require('string');
+var fs = require('fs')
+var path = require('path')
+var LZString = require('lz-string')
+var md = require('markdown-it')()
+var metaMarked = require('meta-marked')
+var cheerio = require('cheerio')
+var shortId = require('shortid')
+var Sequelize = require('sequelize')
+var async = require('async')
+var moment = require('moment')
+var DiffMatchPatch = require('diff-match-patch')
+var dmp = new DiffMatchPatch()
+var S = require('string')
// core
-var config = require("../config.js");
-var logger = require("../logger.js");
+var config = require('../config.js')
+var logger = require('../logger.js')
-//ot
-var ot = require("../ot/index.js");
+// ot
+var ot = require('../ot/index.js')
// permission types
-var permissionTypes = ["freely", "editable", "limited", "locked", "protected", "private"];
+var permissionTypes = ['freely', 'editable', 'limited', 'locked', 'protected', 'private']
module.exports = function (sequelize, DataTypes) {
- var Note = sequelize.define("Note", {
- id: {
- type: DataTypes.UUID,
- primaryKey: true,
- defaultValue: Sequelize.UUIDV4
- },
- shortid: {
- type: DataTypes.STRING,
- unique: true,
- allowNull: false,
- defaultValue: shortId.generate
- },
- alias: {
- type: DataTypes.STRING,
- unique: true
- },
- permission: {
- type: DataTypes.ENUM,
- values: permissionTypes
- },
- viewcount: {
- type: DataTypes.INTEGER,
- allowNull: false,
- defaultValue: 0
- },
- title: {
- type: DataTypes.TEXT,
- get: function () {
- return sequelize.processData(this.getDataValue('title'), "");
- },
- set: function (value) {
- this.setDataValue('title', sequelize.stripNullByte(value));
- }
- },
- content: {
- type: DataTypes.TEXT,
- get: function () {
- return sequelize.processData(this.getDataValue('content'), "");
- },
- set: function (value) {
- this.setDataValue('content', sequelize.stripNullByte(value));
- }
- },
- authorship: {
- type: DataTypes.TEXT,
- get: function () {
- return sequelize.processData(this.getDataValue('authorship'), [], JSON.parse);
- },
- set: function (value) {
- this.setDataValue('authorship', JSON.stringify(value));
- }
- },
- lastchangeAt: {
- type: DataTypes.DATE
- },
- savedAt: {
- type: DataTypes.DATE
+ var Note = sequelize.define('Note', {
+ id: {
+ type: DataTypes.UUID,
+ primaryKey: true,
+ defaultValue: Sequelize.UUIDV4
+ },
+ shortid: {
+ type: DataTypes.STRING,
+ unique: true,
+ allowNull: false,
+ defaultValue: shortId.generate
+ },
+ alias: {
+ type: DataTypes.STRING,
+ unique: true
+ },
+ permission: {
+ type: DataTypes.ENUM,
+ values: permissionTypes
+ },
+ viewcount: {
+ type: DataTypes.INTEGER,
+ allowNull: false,
+ defaultValue: 0
+ },
+ title: {
+ type: DataTypes.TEXT,
+ get: function () {
+ return sequelize.processData(this.getDataValue('title'), '')
+ },
+ set: function (value) {
+ this.setDataValue('title', sequelize.stripNullByte(value))
+ }
+ },
+ content: {
+ type: DataTypes.TEXT,
+ get: function () {
+ return sequelize.processData(this.getDataValue('content'), '')
+ },
+ set: function (value) {
+ this.setDataValue('content', sequelize.stripNullByte(value))
+ }
+ },
+ authorship: {
+ type: DataTypes.TEXT,
+ get: function () {
+ return sequelize.processData(this.getDataValue('authorship'), [], JSON.parse)
+ },
+ set: function (value) {
+ this.setDataValue('authorship', JSON.stringify(value))
+ }
+ },
+ lastchangeAt: {
+ type: DataTypes.DATE
+ },
+ savedAt: {
+ type: DataTypes.DATE
+ }
+ }, {
+ paranoid: true,
+ classMethods: {
+ associate: function (models) {
+ Note.belongsTo(models.User, {
+ foreignKey: 'ownerId',
+ as: 'owner',
+ constraints: false
+ })
+ Note.belongsTo(models.User, {
+ foreignKey: 'lastchangeuserId',
+ as: 'lastchangeuser',
+ constraints: false
+ })
+ Note.hasMany(models.Revision, {
+ foreignKey: 'noteId',
+ constraints: false
+ })
+ Note.hasMany(models.Author, {
+ foreignKey: 'noteId',
+ as: 'authors',
+ constraints: false
+ })
+ },
+ checkFileExist: function (filePath) {
+ try {
+ return fs.statSync(filePath).isFile()
+ } catch (err) {
+ return false
}
- }, {
- paranoid: true,
- classMethods: {
- associate: function (models) {
- Note.belongsTo(models.User, {
- foreignKey: "ownerId",
- as: "owner",
- constraints: false
- });
- Note.belongsTo(models.User, {
- foreignKey: "lastchangeuserId",
- as: "lastchangeuser",
- constraints: false
- });
- Note.hasMany(models.Revision, {
- foreignKey: "noteId",
- constraints: false
- });
- Note.hasMany(models.Author, {
- foreignKey: "noteId",
- as: "authors",
- constraints: false
- });
- },
- checkFileExist: function (filePath) {
- try {
- return fs.statSync(filePath).isFile();
- } catch (err) {
- return false;
- }
- },
- checkNoteIdValid: function (id) {
- var uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
- var result = id.match(uuidRegex);
- if (result && result.length == 1)
- return true;
- else
- return false;
- },
- parseNoteId: function (noteId, callback) {
- async.series({
- parseNoteIdByAlias: function (_callback) {
- // try to parse note id by alias (e.g. doc)
- Note.findOne({
- where: {
- alias: noteId
- }
+ },
+ checkNoteIdValid: function (id) {
+ var uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i
+ var result = id.match(uuidRegex)
+ if (result && result.length === 1) { return true } else { return false }
+ },
+ parseNoteId: function (noteId, callback) {
+ async.series({
+ parseNoteIdByAlias: function (_callback) {
+ // try to parse note id by alias (e.g. doc)
+ Note.findOne({
+ where: {
+ alias: noteId
+ }
+ }).then(function (note) {
+ if (note) {
+ let filePath = path.join(config.docspath, noteId + '.md')
+ if (Note.checkFileExist(filePath)) {
+ // if doc in filesystem have newer modified time than last change time
+ // then will update the doc in db
+ var fsModifiedTime = moment(fs.statSync(filePath).mtime)
+ var dbModifiedTime = moment(note.lastchangeAt || note.createdAt)
+ var body = fs.readFileSync(filePath, 'utf8')
+ var contentLength = body.length
+ var title = Note.parseNoteTitle(body)
+ if (fsModifiedTime.isAfter(dbModifiedTime) && note.content !== body) {
+ note.update({
+ title: title,
+ content: body,
+ lastchangeAt: fsModifiedTime
+ }).then(function (note) {
+ sequelize.models.Revision.saveNoteRevision(note, function (err, revision) {
+ if (err) return _callback(err, null)
+ // update authorship on after making revision of docs
+ var patch = dmp.patch_fromText(revision.patch)
+ var operations = Note.transformPatchToOperations(patch, contentLength)
+ var authorship = note.authorship
+ for (let i = 0; i < operations.length; i++) {
+ authorship = Note.updateAuthorshipByOperation(operations[i], null, authorship)
+ }
+ note.update({
+ authorship: JSON.stringify(authorship)
}).then(function (note) {
- if (note) {
- var filePath = path.join(config.docspath, noteId + '.md');
- if (Note.checkFileExist(filePath)) {
- // if doc in filesystem have newer modified time than last change time
- // then will update the doc in db
- var fsModifiedTime = moment(fs.statSync(filePath).mtime);
- var dbModifiedTime = moment(note.lastchangeAt || note.createdAt);
- var body = fs.readFileSync(filePath, 'utf8');
- var contentLength = body.length;
- var title = Note.parseNoteTitle(body);
- if (fsModifiedTime.isAfter(dbModifiedTime) && note.content !== body) {
- note.update({
- title: title,
- content: body,
- lastchangeAt: fsModifiedTime
- }).then(function (note) {
- sequelize.models.Revision.saveNoteRevision(note, function (err, revision) {
- if (err) return _callback(err, null);
- // update authorship on after making revision of docs
- var patch = dmp.patch_fromText(revision.patch);
- var operations = Note.transformPatchToOperations(patch, contentLength);
- var authorship = note.authorship;
- for (var i = 0; i < operations.length; i++) {
- authorship = Note.updateAuthorshipByOperation(operations[i], null, authorship);
- }
- note.update({
- authorship: JSON.stringify(authorship)
- }).then(function (note) {
- return callback(null, note.id);
- }).catch(function (err) {
- return _callback(err, null);
- });
- });
- }).catch(function (err) {
- return _callback(err, null);
- });
- } else {
- return callback(null, note.id);
- }
- } else {
- return callback(null, note.id);
- }
- } else {
- var filePath = path.join(config.docspath, noteId + '.md');
- if (Note.checkFileExist(filePath)) {
- Note.create({
- alias: noteId,
- owner: null,
- permission: 'locked'
- }).then(function (note) {
- return callback(null, note.id);
- }).catch(function (err) {
- return _callback(err, null);
- });
- } else {
- return _callback(null, null);
- }
- }
+ return callback(null, note.id)
}).catch(function (err) {
- return _callback(err, null);
- });
- },
- parseNoteIdByLZString: function (_callback) {
- // try to parse note id by LZString Base64
- try {
- var id = LZString.decompressFromBase64(noteId);
- if (id && Note.checkNoteIdValid(id))
- return callback(null, id);
- else
- return _callback(null, null);
- } catch (err) {
- return _callback(err, null);
- }
- },
- parseNoteIdByShortId: function (_callback) {
- // try to parse note id by shortId
- try {
- if (shortId.isValid(noteId)) {
- Note.findOne({
- where: {
- shortid: noteId
- }
- }).then(function (note) {
- if (!note) return _callback(null, null);
- return callback(null, note.id);
- }).catch(function (err) {
- return _callback(err, null);
- });
- } else {
- return _callback(null, null);
- }
- } catch (err) {
- return _callback(err, null);
- }
- }
- }, function (err, result) {
- if (err) {
- logger.error(err);
- return callback(err, null);
- }
- return callback(null, null);
- });
- },
- parseNoteInfo: function (body) {
- var parsed = Note.extractMeta(body);
- var $ = cheerio.load(md.render(parsed.markdown));
- return {
- title: Note.extractNoteTitle(parsed.meta, $),
- tags: Note.extractNoteTags(parsed.meta, $)
- };
- },
- parseNoteTitle: function (body) {
- var parsed = Note.extractMeta(body);
- var $ = cheerio.load(md.render(parsed.markdown));
- return Note.extractNoteTitle(parsed.meta, $);
- },
- extractNoteTitle: function (meta, $) {
- var title = "";
- if (meta.title && (typeof meta.title == "string" || typeof meta.title == "number")) {
- title = meta.title;
+ return _callback(err, null)
+ })
+ })
+ }).catch(function (err) {
+ return _callback(err, null)
+ })
+ } else {
+ return callback(null, note.id)
+ }
} else {
- var h1s = $("h1");
- if (h1s.length > 0 && h1s.first().text().split('\n').length == 1)
- title = S(h1s.first().text()).stripTags().s;
+ return callback(null, note.id)
}
- if (!title) title = "Untitled";
- return title;
- },
- generateDescription: function (markdown) {
- return markdown.substr(0, 100).replace(/(?:\r\n|\r|\n)/g, ' ');
- },
- decodeTitle: function (title) {
- return title ? title : 'Untitled';
- },
- generateWebTitle: function (title) {
- title = !title || title == "Untitled" ? "HackMD - Collaborative markdown notes" : title + " - HackMD";
- return title;
- },
- extractNoteTags: function (meta, $) {
- var tags = [];
- var rawtags = [];
- if (meta.tags && (typeof meta.tags == "string" || typeof meta.tags == "number")) {
- var metaTags = ('' + meta.tags).split(',');
- for (var i = 0; i < metaTags.length; i++) {
- var text = metaTags[i].trim();
- if (text) rawtags.push(text);
- }
+ } else {
+ var filePath = path.join(config.docspath, noteId + '.md')
+ if (Note.checkFileExist(filePath)) {
+ Note.create({
+ alias: noteId,
+ owner: null,
+ permission: 'locked'
+ }).then(function (note) {
+ return callback(null, note.id)
+ }).catch(function (err) {
+ return _callback(err, null)
+ })
} else {
- var h6s = $("h6");
- h6s.each(function (key, value) {
- if (/^tags/gmi.test($(value).text())) {
- var codes = $(value).find("code");
- for (var i = 0; i < codes.length; i++) {
- var text = S($(codes[i]).text().trim()).stripTags().s;
- if (text) rawtags.push(text);
- }
- }
- });
- }
- for (var i = 0; i < rawtags.length; i++) {
- var found = false;
- for (var j = 0; j < tags.length; j++) {
- if (tags[j] == rawtags[i]) {
- found = true;
- break;
- }
- }
- if (!found)
- tags.push(rawtags[i]);
- }
- return tags;
- },
- extractMeta: function (content) {
- try {
- var obj = metaMarked(content);
- if (!obj.markdown) obj.markdown = "";
- if (!obj.meta) obj.meta = {};
- } catch (err) {
- var obj = {
- markdown: content,
- meta: {}
- };
- }
- return obj;
- },
- parseMeta: function (meta) {
- var _meta = {};
- if (meta) {
- if (meta.title && (typeof meta.title == "string" || typeof meta.title == "number"))
- _meta.title = meta.title;
- if (meta.description && (typeof meta.description == "string" || typeof meta.description == "number"))
- _meta.description = meta.description;
- if (meta.robots && (typeof meta.robots == "string" || typeof meta.robots == "number"))
- _meta.robots = meta.robots;
- if (meta.GA && (typeof meta.GA == "string" || typeof meta.GA == "number"))
- _meta.GA = meta.GA;
- if (meta.disqus && (typeof meta.disqus == "string" || typeof meta.disqus == "number"))
- _meta.disqus = meta.disqus;
- if (meta.slideOptions && (typeof meta.slideOptions == "object"))
- _meta.slideOptions = meta.slideOptions;
+ return _callback(null, null)
}
- return _meta;
- },
- updateAuthorshipByOperation: function (operation, userId, authorships) {
- var index = 0;
- var timestamp = Date.now();
- for (var i = 0; i < operation.length; i++) {
- var op = operation[i];
- if (ot.TextOperation.isRetain(op)) {
- index += op;
- } else if (ot.TextOperation.isInsert(op)) {
- var opStart = index;
- var opEnd = index + op.length;
- var inserted = false;
- // authorship format: [userId, startPos, endPos, createdAt, updatedAt]
- if (authorships.length <= 0) authorships.push([userId, opStart, opEnd, timestamp, timestamp]);
- else {
- for (var j = 0; j < authorships.length; j++) {
- var authorship = authorships[j];
- if (!inserted) {
- var nextAuthorship = authorships[j + 1] || -1;
- if (nextAuthorship != -1 && nextAuthorship[1] >= opEnd || j >= authorships.length - 1) {
- if (authorship[1] < opStart && authorship[2] > opStart) {
- // divide
- var postLength = authorship[2] - opStart;
- authorship[2] = opStart;
- authorship[4] = timestamp;
- authorships.splice(j + 1, 0, [userId, opStart, opEnd, timestamp, timestamp]);
- authorships.splice(j + 2, 0, [authorship[0], opEnd, opEnd + postLength, authorship[3], timestamp]);
- j += 2;
- inserted = true;
- } else if (authorship[1] >= opStart) {
- authorships.splice(j, 0, [userId, opStart, opEnd, timestamp, timestamp]);
- j += 1;
- inserted = true;
- } else if (authorship[2] <= opStart) {
- authorships.splice(j + 1, 0, [userId, opStart, opEnd, timestamp, timestamp]);
- j += 1;
- inserted = true;
- }
- }
- }
- if (authorship[1] >= opStart) {
- authorship[1] += op.length;
- authorship[2] += op.length;
- }
- }
- }
- index += op.length;
- } else if (ot.TextOperation.isDelete(op)) {
- var opStart = index;
- var opEnd = index - op;
- if (operation.length == 1) {
- authorships = [];
- } else if (authorships.length > 0) {
- for (var j = 0; j < authorships.length; j++) {
- var authorship = authorships[j];
- if (authorship[1] >= opStart && authorship[1] <= opEnd && authorship[2] >= opStart && authorship[2] <= opEnd) {
- authorships.splice(j, 1);
- j -= 1;
- } else if (authorship[1] < opStart && authorship[1] < opEnd && authorship[2] > opStart && authorship[2] > opEnd) {
- authorship[2] += op;
- authorship[4] = timestamp;
- } else if (authorship[2] >= opStart && authorship[2] <= opEnd) {
- authorship[2] = opStart;
- authorship[4] = timestamp;
- } else if (authorship[1] >= opStart && authorship[1] <= opEnd) {
- authorship[1] = opEnd;
- authorship[4] = timestamp;
- }
- if (authorship[1] >= opEnd) {
- authorship[1] += op;
- authorship[2] += op;
- }
- }
- }
- index += op;
- }
- }
- // merge
- for (var j = 0; j < authorships.length; j++) {
- var authorship = authorships[j];
- for (var k = j + 1; k < authorships.length; k++) {
- var nextAuthorship = authorships[k];
- if (nextAuthorship && authorship[0] === nextAuthorship[0] && authorship[2] === nextAuthorship[1]) {
- var minTimestamp = Math.min(authorship[3], nextAuthorship[3]);
- var maxTimestamp = Math.max(authorship[3], nextAuthorship[3]);
- authorships.splice(j, 1, [authorship[0], authorship[1], nextAuthorship[2], minTimestamp, maxTimestamp]);
- authorships.splice(k, 1);
- j -= 1;
- break;
- }
- }
- }
- // clear
- for (var j = 0; j < authorships.length; j++) {
- var authorship = authorships[j];
- if (!authorship[0]) {
- authorships.splice(j, 1);
- j -= 1;
+ }
+ }).catch(function (err) {
+ return _callback(err, null)
+ })
+ },
+ parseNoteIdByLZString: function (_callback) {
+ // try to parse note id by LZString Base64
+ try {
+ var id = LZString.decompressFromBase64(noteId)
+ if (id && Note.checkNoteIdValid(id)) { return callback(null, id) } else { return _callback(null, null) }
+ } catch (err) {
+ return _callback(err, null)
+ }
+ },
+ parseNoteIdByShortId: function (_callback) {
+ // try to parse note id by shortId
+ try {
+ if (shortId.isValid(noteId)) {
+ Note.findOne({
+ where: {
+ shortid: noteId
+ }
+ }).then(function (note) {
+ if (!note) return _callback(null, null)
+ return callback(null, note.id)
+ }).catch(function (err) {
+ return _callback(err, null)
+ })
+ } else {
+ return _callback(null, null)
+ }
+ } catch (err) {
+ return _callback(err, null)
+ }
+ }
+ }, function (err, result) {
+ if (err) {
+ logger.error(err)
+ return callback(err, null)
+ }
+ return callback(null, null)
+ })
+ },
+ parseNoteInfo: function (body) {
+ var parsed = Note.extractMeta(body)
+ var $ = cheerio.load(md.render(parsed.markdown))
+ return {
+ title: Note.extractNoteTitle(parsed.meta, $),
+ tags: Note.extractNoteTags(parsed.meta, $)
+ }
+ },
+ parseNoteTitle: function (body) {
+ var parsed = Note.extractMeta(body)
+ var $ = cheerio.load(md.render(parsed.markdown))
+ return Note.extractNoteTitle(parsed.meta, $)
+ },
+ extractNoteTitle: function (meta, $) {
+ var title = ''
+ if (meta.title && (typeof meta.title === 'string' || typeof meta.title === 'number')) {
+ title = meta.title
+ } else {
+ var h1s = $('h1')
+ if (h1s.length > 0 && h1s.first().text().split('\n').length === 1) { title = S(h1s.first().text()).stripTags().s }
+ }
+ if (!title) title = 'Untitled'
+ return title
+ },
+ generateDescription: function (markdown) {
+ return markdown.substr(0, 100).replace(/(?:\r\n|\r|\n)/g, ' ')
+ },
+ decodeTitle: function (title) {
+ return title || 'Untitled'
+ },
+ generateWebTitle: function (title) {
+ title = !title || title === 'Untitled' ? 'HackMD - Collaborative markdown notes' : title + ' - HackMD'
+ return title
+ },
+ extractNoteTags: function (meta, $) {
+ var tags = []
+ var rawtags = []
+ if (meta.tags && (typeof meta.tags === 'string' || typeof meta.tags === 'number')) {
+ var metaTags = ('' + meta.tags).split(',')
+ for (let i = 0; i < metaTags.length; i++) {
+ var text = metaTags[i].trim()
+ if (text) rawtags.push(text)
+ }
+ } else {
+ var h6s = $('h6')
+ h6s.each(function (key, value) {
+ if (/^tags/gmi.test($(value).text())) {
+ var codes = $(value).find('code')
+ for (let i = 0; i < codes.length; i++) {
+ var text = S($(codes[i]).text().trim()).stripTags().s
+ if (text) rawtags.push(text)
+ }
+ }
+ })
+ }
+ for (let i = 0; i < rawtags.length; i++) {
+ var found = false
+ for (let j = 0; j < tags.length; j++) {
+ if (tags[j] === rawtags[i]) {
+ found = true
+ break
+ }
+ }
+ if (!found) { tags.push(rawtags[i]) }
+ }
+ return tags
+ },
+ extractMeta: function (content) {
+ var obj = null
+ try {
+ obj = metaMarked(content)
+ if (!obj.markdown) obj.markdown = ''
+ if (!obj.meta) obj.meta = {}
+ } catch (err) {
+ obj = {
+ markdown: content,
+ meta: {}
+ }
+ }
+ return obj
+ },
+ parseMeta: function (meta) {
+ var _meta = {}
+ if (meta) {
+ if (meta.title && (typeof meta.title === 'string' || typeof meta.title === 'number')) { _meta.title = meta.title }
+ if (meta.description && (typeof meta.description === 'string' || typeof meta.description === 'number')) { _meta.description = meta.description }
+ if (meta.robots && (typeof meta.robots === 'string' || typeof meta.robots === 'number')) { _meta.robots = meta.robots }
+ if (meta.GA && (typeof meta.GA === 'string' || typeof meta.GA === 'number')) { _meta.GA = meta.GA }
+ if (meta.disqus && (typeof meta.disqus === 'string' || typeof meta.disqus === 'number')) { _meta.disqus = meta.disqus }
+ if (meta.slideOptions && (typeof meta.slideOptions === 'object')) { _meta.slideOptions = meta.slideOptions }
+ }
+ return _meta
+ },
+ updateAuthorshipByOperation: function (operation, userId, authorships) {
+ var index = 0
+ var timestamp = Date.now()
+ for (let i = 0; i < operation.length; i++) {
+ var op = operation[i]
+ if (ot.TextOperation.isRetain(op)) {
+ index += op
+ } else if (ot.TextOperation.isInsert(op)) {
+ let opStart = index
+ let opEnd = index + op.length
+ var inserted = false
+ // authorship format: [userId, startPos, endPos, createdAt, updatedAt]
+ if (authorships.length <= 0) authorships.push([userId, opStart, opEnd, timestamp, timestamp])
+ else {
+ for (let j = 0; j < authorships.length; j++) {
+ let authorship = authorships[j]
+ if (!inserted) {
+ let nextAuthorship = authorships[j + 1] || -1
+ if ((nextAuthorship !== -1 && nextAuthorship[1] >= opEnd) || j >= authorships.length - 1) {
+ if (authorship[1] < opStart && authorship[2] > opStart) {
+ // divide
+ let postLength = authorship[2] - opStart
+ authorship[2] = opStart
+ authorship[4] = timestamp
+ authorships.splice(j + 1, 0, [userId, opStart, opEnd, timestamp, timestamp])
+ authorships.splice(j + 2, 0, [authorship[0], opEnd, opEnd + postLength, authorship[3], timestamp])
+ j += 2
+ inserted = true
+ } else if (authorship[1] >= opStart) {
+ authorships.splice(j, 0, [userId, opStart, opEnd, timestamp, timestamp])
+ j += 1
+ inserted = true
+ } else if (authorship[2] <= opStart) {
+ authorships.splice(j + 1, 0, [userId, opStart, opEnd, timestamp, timestamp])
+ j += 1
+ inserted = true
}
+ }
}
- return authorships;
- },
- transformPatchToOperations: function (patch, contentLength) {
- var operations = [];
- if (patch.length > 0) {
- // calculate original content length
- for (var j = patch.length - 1; j >= 0; j--) {
- var p = patch[j];
- for (var i = 0; i < p.diffs.length; i++) {
- var diff = p.diffs[i];
- switch(diff[0]) {
- case 1: // insert
- contentLength -= diff[1].length;
- break;
- case -1: // delete
- contentLength += diff[1].length;
- break;
- }
- }
- }
- // generate operations
- var bias = 0;
- var lengthBias = 0;
- for (var j = 0; j < patch.length; j++) {
- var operation = [];
- var p = patch[j];
- var currIndex = p.start1;
- var currLength = contentLength - bias;
- for (var i = 0; i < p.diffs.length; i++) {
- var diff = p.diffs[i];
- switch(diff[0]) {
- case 0: // retain
- if (i == 0) // first
- operation.push(currIndex + diff[1].length);
- else if (i != p.diffs.length - 1) // mid
- operation.push(diff[1].length);
- else // last
- operation.push(currLength + lengthBias - currIndex);
- currIndex += diff[1].length;
- break;
- case 1: // insert
- operation.push(diff[1]);
- lengthBias += diff[1].length;
- currIndex += diff[1].length;
- break;
- case -1: // delete
- operation.push(-diff[1].length);
- bias += diff[1].length;
- currIndex += diff[1].length;
- break;
- }
- }
- operations.push(operation);
- }
+ if (authorship[1] >= opStart) {
+ authorship[1] += op.length
+ authorship[2] += op.length
}
- return operations;
+ }
}
- },
- hooks: {
- beforeCreate: function (note, options, callback) {
- // if no content specified then use default note
- if (!note.content) {
- var body = null;
- var filePath = null;
- if (!note.alias) {
- filePath = config.defaultnotepath;
- } else {
- filePath = path.join(config.docspath, note.alias + '.md');
- }
- if (Note.checkFileExist(filePath)) {
- var fsCreatedTime = moment(fs.statSync(filePath).ctime);
- body = fs.readFileSync(filePath, 'utf8');
- note.title = Note.parseNoteTitle(body);
- note.content = body;
- if (filePath !== config.defaultnotepath) {
- note.createdAt = fsCreatedTime;
- }
- }
+ index += op.length
+ } else if (ot.TextOperation.isDelete(op)) {
+ let opStart = index
+ let opEnd = index - op
+ if (operation.length === 1) {
+ authorships = []
+ } else if (authorships.length > 0) {
+ for (let j = 0; j < authorships.length; j++) {
+ let authorship = authorships[j]
+ if (authorship[1] >= opStart && authorship[1] <= opEnd && authorship[2] >= opStart && authorship[2] <= opEnd) {
+ authorships.splice(j, 1)
+ j -= 1
+ } else if (authorship[1] < opStart && authorship[1] < opEnd && authorship[2] > opStart && authorship[2] > opEnd) {
+ authorship[2] += op
+ authorship[4] = timestamp
+ } else if (authorship[2] >= opStart && authorship[2] <= opEnd) {
+ authorship[2] = opStart
+ authorship[4] = timestamp
+ } else if (authorship[1] >= opStart && authorship[1] <= opEnd) {
+ authorship[1] = opEnd
+ authorship[4] = timestamp
}
- // if no permission specified and have owner then give default permission in config, else default permission is freely
- if (!note.permission) {
- if (note.ownerId) {
- note.permission = config.defaultpermission;
- } else {
- note.permission = "freely";
- }
+ if (authorship[1] >= opEnd) {
+ authorship[1] += op
+ authorship[2] += op
}
- return callback(null, note);
- },
- afterCreate: function (note, options, callback) {
- sequelize.models.Revision.saveNoteRevision(note, function (err, revision) {
- callback(err, note);
- });
+ }
+ }
+ index += op
+ }
+ }
+ // merge
+ for (let j = 0; j < authorships.length; j++) {
+ let authorship = authorships[j]
+ for (let k = j + 1; k < authorships.length; k++) {
+ let nextAuthorship = authorships[k]
+ if (nextAuthorship && authorship[0] === nextAuthorship[0] && authorship[2] === nextAuthorship[1]) {
+ let minTimestamp = Math.min(authorship[3], nextAuthorship[3])
+ let maxTimestamp = Math.max(authorship[3], nextAuthorship[3])
+ authorships.splice(j, 1, [authorship[0], authorship[1], nextAuthorship[2], minTimestamp, maxTimestamp])
+ authorships.splice(k, 1)
+ j -= 1
+ break
+ }
+ }
+ }
+ // clear
+ for (let j = 0; j < authorships.length; j++) {
+ let authorship = authorships[j]
+ if (!authorship[0]) {
+ authorships.splice(j, 1)
+ j -= 1
+ }
+ }
+ return authorships
+ },
+ transformPatchToOperations: function (patch, contentLength) {
+ var operations = []
+ if (patch.length > 0) {
+ // calculate original content length
+ for (let j = patch.length - 1; j >= 0; j--) {
+ var p = patch[j]
+ for (let i = 0; i < p.diffs.length; i++) {
+ var diff = p.diffs[i]
+ switch (diff[0]) {
+ case 1: // insert
+ contentLength -= diff[1].length
+ break
+ case -1: // delete
+ contentLength += diff[1].length
+ break
+ }
+ }
+ }
+ // generate operations
+ var bias = 0
+ var lengthBias = 0
+ for (let j = 0; j < patch.length; j++) {
+ var operation = []
+ let p = patch[j]
+ var currIndex = p.start1
+ var currLength = contentLength - bias
+ for (let i = 0; i < p.diffs.length; i++) {
+ let diff = p.diffs[i]
+ switch (diff[0]) {
+ case 0: // retain
+ if (i === 0) {
+ // first
+ operation.push(currIndex + diff[1].length)
+ } else if (i !== p.diffs.length - 1) {
+ // mid
+ operation.push(diff[1].length)
+ } else {
+ // last
+ operation.push(currLength + lengthBias - currIndex)
+ }
+ currIndex += diff[1].length
+ break
+ case 1: // insert
+ operation.push(diff[1])
+ lengthBias += diff[1].length
+ currIndex += diff[1].length
+ break
+ case -1: // delete
+ operation.push(-diff[1].length)
+ bias += diff[1].length
+ currIndex += diff[1].length
+ break
+ }
}
+ operations.push(operation)
+ }
+ }
+ return operations
+ }
+ },
+ hooks: {
+ beforeCreate: function (note, options, callback) {
+ // if no content specified then use default note
+ if (!note.content) {
+ var body = null
+ let filePath = null
+ if (!note.alias) {
+ filePath = config.defaultnotepath
+ } else {
+ filePath = path.join(config.docspath, note.alias + '.md')
+ }
+ if (Note.checkFileExist(filePath)) {
+ var fsCreatedTime = moment(fs.statSync(filePath).ctime)
+ body = fs.readFileSync(filePath, 'utf8')
+ note.title = Note.parseNoteTitle(body)
+ note.content = body
+ if (filePath !== config.defaultnotepath) {
+ note.createdAt = fsCreatedTime
+ }
+ }
+ }
+ // if no permission specified and have owner then give default permission in config, else default permission is freely
+ if (!note.permission) {
+ if (note.ownerId) {
+ note.permission = config.defaultpermission
+ } else {
+ note.permission = 'freely'
+ }
}
- });
+ return callback(null, note)
+ },
+ afterCreate: function (note, options, callback) {
+ sequelize.models.Revision.saveNoteRevision(note, function (err, revision) {
+ callback(err, note)
+ })
+ }
+ }
+ })
- return Note;
-};
+ return Note
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 04:42:22 +0000