Add migration (for db, folders...) mechanism

2 files changed, 36 insertions, 0 deletions

diff --git a/server/models/application.js b/server/models/application.js
new file mode 100644
index 000000000..8185f0915
--- /dev/null
+++ b/server/models/application.js
@@ -0,0 +1,31 @@
+const mongoose = require('mongoose')
+
+// ---------------------------------------------------------------------------
+
+const ApplicationSchema = mongoose.Schema({
+  mongoSchemaVersion: {
+    type: Number,
+    default: 0
+  }
+})
+
+ApplicationSchema.statics = {
+  loadMongoSchemaVersion: loadMongoSchemaVersion,
+  updateMongoSchemaVersion: updateMongoSchemaVersion
+}
+
+mongoose.model('Application', ApplicationSchema)
+
+// ---------------------------------------------------------------------------
+
+function loadMongoSchemaVersion (callback) {
+  return this.findOne({}, { mongoSchemaVersion: 1 }, function (err, data) {
+    const version = data ? data.mongoSchemaVersion : 0
+
+    return callback(err, version)
+  })
+}
+
+function updateMongoSchemaVersion (newVersion, callback) {
+  return this.update({}, { mongoSchemaVersion: newVersion }, callback)
+}
diff --git a/server/models/user.js b/server/models/user.js
index db6f1765b..c2c8807f0 100644
--- a/server/models/user.js
+++ b/server/models/user.js
@@ -28,6 +28,7 @@ UserSchema.methods = {
 UserSchema.statics = {
   countTotal: countTotal,
   getByUsername: getByUsername,
+  list: list,
   listForApi: listForApi,
   loadById: loadById,
   loadByUsername: loadByUsername
@@ -71,6 +72,10 @@ function getByUsername (username) {
   return this.findOne({ username: username })
 }
 
+function list (callback) {
+  return this.find(callback)
+}
+
 function listForApi (start, count, sort, callback) {
   const query = {}
   return modelUtils.listForApiWithCount.call(this, query, start, count, sort, callback)