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'use strict'
// history
// external modules
// core
var config = require('./config.js')
var logger = require('./logger.js')
var response = require('./response.js')
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 = parseHistoryToObject(JSON.parse(user.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
|
