- Permissions table (probably I'll change for others uses)

- Added CDateTime component (to save in the db)... in the component CGridTableRec and for CEventsCalendar

server/models/permission.js

@@ -0,0 +1,59 @@
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+const tools = require('../tools/general');
+
+mongoose.Promise = global.Promise;
+mongoose.level = "F";
+
+
+// Resolving error Unknown modifier: $pushAll
+mongoose.plugin(schema => {
+  schema.options.usePushEach = true
+});
+
+const PermissionSchema = new Schema({
+  _id: {
+    type: Number,
+  },
+  label: {
+    type: String,
+    default: ''
+  }
+},{ _id : false });
+
+
+PermissionSchema.pre('save', async function (next) {
+  if (this.isNew) {
+    const myrec = await Permission.findOne().limit(1).sort({_id:-1});
+    if (!!myrec) {
+      if (myrec._doc._id === 0)
+        this._id = 1;
+      else
+        this._id = myrec._doc._id * 2;
+
+    } else {
+      this._id = 1;
+    }
+  }
+
+  next();
+});
+
+PermissionSchema.statics.executeQueryTable = function (idapp, params) {
+  return tools.executeQueryTable(this, 0, params);
+};
+
+PermissionSchema.statics.findAllIdApp = function () {
+  const Permission = this;
+
+  const myfind = {  };
+
+  return Permission.find(myfind, (err, arrrec) => {
+    return arrrec
+  });
+};
+
+const Permission = mongoose.model('Permission', PermissionSchema);
+
+module.exports = { Permission };