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Add support of saving note revision and improve app start and stop procedure to ensure data integrity

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This commit is contained in:
Cheng-Han, Wu
2016-06-17 16:09:33 +08:00
parent 56b4739e6d
commit dbc126b156
7 changed files with 366 additions and 24 deletions
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26
lib/models/note.js
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@@ -52,6 +52,9 @@ module.exports = function (sequelize, DataTypes) {
},
lastchangeAt: {
type: DataTypes.DATE
},
savedAt: {
type: DataTypes.DATE
}
}, {
classMethods: {
@@ -66,6 +69,10 @@ module.exports = function (sequelize, DataTypes) {
as: "lastchangeuser",
constraints: false
});
Note.hasMany(models.Revision, {
foreignKey: "noteId",
constraints: false
});
},
checkFileExist: function (filePath) {
try {
@@ -100,11 +107,15 @@ module.exports = function (sequelize, DataTypes) {
var dbModifiedTime = moment(note.lastchangeAt || note.createdAt);
if (fsModifiedTime.isAfter(dbModifiedTime)) {
var body = fs.readFileSync(filePath, 'utf8');
note.title = LZString.compressToBase64(Note.parseNoteTitle(body));
note.content = LZString.compressToBase64(body);
note.lastchangeAt = fsModifiedTime;
note.save().then(function (note) {
return callback(null, note.id);
note.update({
title: LZString.compressToBase64(Note.parseNoteTitle(body)),
content: LZString.compressToBase64(body),
lastchangeAt: fsModifiedTime
}).then(function (note) {
sequelize.models.Revision.saveNoteRevision(note, function (err, revision) {
if (err) return _callback(err, null);
return callback(null, note.id);
});
}).catch(function (err) {
return _callback(err, null);
});
@@ -224,6 +235,11 @@ module.exports = function (sequelize, DataTypes) {
}
}
return callback(null, note);
},
afterCreate: function (note, options, callback) {
sequelize.models.Revision.saveNoteRevision(note, function (err, revision) {
callback(err, note);
});
}
}
});