1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
'use strict'
// history
// external modules
var LZString = require('lz-string')
// core
var config = require('./config')
var logger = require('./logger')
var response = require('./response')
var models = require('./models')
// public
var History = {
historyGet: historyGet,
historyPost: historyPost,
historyDelete: historyDelete,
updateHistory: updateHistory
}
function getHistory (userid, callback) {
models.User.findOne({
where: {
id: userid
}
}).then(function (user) {
if (!user) {
return callback(null, null)
}
var history = {}
if (user.history) {
history = JSON.parse(user.history)
// migrate LZString encoded note id to base64url encoded note id
for (let i = 0, l = history.length; i < l; i++) {
try {
let id = LZString.decompressFromBase64(history[i].id)
if (id && models.Note.checkNoteIdValid(id)) {
history[i].id = models.Note.encodeNoteId(id)
}
} catch (err) {
// most error here comes from LZString, ignore
logger.error(err)
}
}
history = parseHistoryToObject(history)
}
if (config.debug) {
logger.info('read history success: ' + user.id)
}
return callback(null, history)
}).catch(function (err) {
logger.error('read history failed: ' + err)
return callback(err, null)
})
}
function setHistory (userid, history, callback) {
models.User.update({
history: JSON.stringify(parseHistoryToArray(history))
}, {
where: {
id: userid
}
}).then(function (count) {
return callback(null, count)
}).catch(function (err) {
logger.error('set history failed: ' + err)
return callback(err, null)
})
}
function updateHistory (userid, noteId, document, time) {
if (userid && noteId && typeof document !== 'undefined') {
getHistory(userid, function (err, history) {
if (err || !history) return
if (!history[noteId]) {
history[noteId] = {}
}
var noteHistory = history[noteId]
var noteInfo = models.Note.parseNoteInfo(document)
noteHistory.id = noteId
noteHistory.text = noteInfo.title
noteHistory.time = time || Date.now()
noteHistory.tags = noteInfo.tags
setHistory(userid, history, function (err, count) {
if (err) {
logger.log(err)
}
})
})
}
}
function parseHistoryToArray (history) {
var _history = []
Object.keys(history).forEach(function (key) {
var item = history[key]
_history.push(item)
})
return _history
}
function parseHistoryToObject (history) {
var _history = {}
for (var i = 0, l = history.length; i < l; i++) {
var item = history[i]
_history[item.id] = item
}
return _history
}
function historyGet (req, res) {
if (req.isAuthenticated()) {
getHistory(req.user.id, function (err, history) {
if (err) return response.errorInternalError(res)
if (!history) return response.errorNotFound(res)
res.send({
history: parseHistoryToArray(history)
})
})
} else {
return response.errorForbidden(res)
}
}
function historyPost (req, res) {
if (req.isAuthenticated()) {
var noteId = req.params.noteId
if (!noteId) {
if (typeof req.body['history'] === 'undefined') return response.errorBadRequest(res)
if (config.debug) { logger.info('SERVER received history from [' + req.user.id + ']: ' + req.body.history) }
try {
var history = JSON.parse(req.body.history)
} catch (err) {
return response.errorBadRequest(res)
}
if (Array.isArray(history)) {
setHistory(req.user.id, history, function (err, count) {
if (err) return response.errorInternalError(res)
res.end()
})
} else {
return response.errorBadRequest(res)
}
} else {
if (typeof req.body['pinned'] === 'undefined') return response.errorBadRequest(res)
getHistory(req.user.id, function (err, history) {
if (err) return response.errorInternalError(res)
if (!history) return response.errorNotFound(res)
if (!history[noteId]) return response.errorNotFound(res)
if (req.body.pinned === 'true' || req.body.pinned === 'false') {
history[noteId].pinned = (req.body.pinned === 'true')
setHistory(req.user.id, history, function (err, count) {
if (err) return response.errorInternalError(res)
res.end()
})
} else {
return response.errorBadRequest(res)
}
})
}
} else {
return response.errorForbidden(res)
}
}
function historyDelete (req, res) {
if (req.isAuthenticated()) {
var noteId = req.params.noteId
if (!noteId) {
setHistory(req.user.id, [], function (err, count) {
if (err) return response.errorInternalError(res)
res.end()
})
} else {
getHistory(req.user.id, function (err, history) {
if (err) return response.errorInternalError(res)
if (!history) return response.errorNotFound(res)
delete history[noteId]
setHistory(req.user.id, history, function (err, count) {
if (err) return response.errorInternalError(res)
res.end()
})
})
}
} else {
return response.errorForbidden(res)
}
}
module.exports = History
|
