Parse functionality for different types of values

index.js

@@ -1,22 +1,24 @@
-const SelectFields = require('./lib/select-fields');
-const JoinFields = require('./lib/join-fields');
+const DefaultValue = require('./lib/default-value');
 const InsertFields = require('./lib/insert-fields');
+const JoinFields = require('./lib/join-fields');
+const ModelField = require('./lib/model-field');
+const Parser = require('./lib/parse');
 const PrivateFields = require('./lib/private-fields');
 const QueryValues = require('./lib/query-values');
+const SelectFields = require('./lib/select-fields');
 const UpdateValues = require('./lib/update-values');
-const DefaultValue = require('./lib/default-value');
 const ValuesPointer = require('./lib/values-pointer');
-const ModelField = require('./lib/model-field');
 
 
 module.exports = {
- SelectFields,
- JoinFields,
+ DefaultValue,
  InsertFields,
+ JoinFields,
+ ModelField,
+ Parser,
  PrivateFields,
  QueryValues,
+ SelectFields,
  UpdateValues,
- DefaultValue,
- ValuesPointer,
- ModelField
+ ValuesPointer
 };

lib/parse.js

@@ -0,0 +1,25 @@
+const parser = {};
+
+
+parser.json = (data) => {
+ return JSON.parse(data);
+};
+
+parser.blob = (data) => {
+ return Buffer.from(data, 'utf8'); 
+};
+
+
+const get = (type, data) => {
+ if (!parser[type]) {
+ return data;
+ }
+
+ const fn = parser[type];
+ return fn(data);
+};
+
+
+module.exports = {
+ get
+};

lib/query-values.js

@@ -1,5 +1,7 @@
 const _ = require('lodash');
 
+const Parse = require('./parse');
+
 /**
  * Returns array of values which is used in insert queries based on the input model
  * It takes model and data json as input
@@ -17,7 +19,8 @@ const get = (model, data) => {
  for (let column of model.columns) {
  if (!column.auto) {
  const value = _.get(data, column.name) || column.defaultValue;
- values.push(value);
+ const parseValue = Parse.get(column.type, value);
+ values.push(parseValue);
  }
  }