Added support for isnull and notnull query

.travis.yml

@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - "4.4"

README.md

@@ -1,2 +1,3 @@
+[![Build Status](https://travis-ci.org/harish2704/knex-json-query.svg?branch=master)](https://travis-ci.org/harish2704/knex-json-query)
 # knex-json-query
 A high-level utility which will will generate Knex query from a single JSON object.

index.js

@@ -1,36 +1,49 @@
 
-var simpleOperators = [
-  'LIKE',
-  '>',
-  '<',
-];
 
-var functionOperators = [
-  'BETWEEN',
-  'IN'
-];
 
 var functionOperatorMap = {
   BETWEEN: 'whereBetween',
-  IN: 'whereIn'
+  IN: 'whereIn',
+  ISNULL: 'whereNull',
+  NOTNULL: 'whereNotNull',
+  /* ---- */
+  OR: 'orWhere',
+  AND: 'where',
+  EQ: 'where',
+  '=': 'where',
+  /* ---- */
+  OR_BETWEEN: 'orWhereBetween',
+  OR_IN: 'orWhereIn',
+  OR_ISNULL: 'orWhereNull',
+  IR_NOTNULL: 'orWhereNotNull',
+  /* ---- */
+  AND_BETWEEN: 'andWhereBetween',
+  AND_IN: 'andWhereIn',
+  AND_ISNULL: 'andWhereNull',
+  AND_NOTNULL: 'andWhereNotNull',
 };
 
 
 
 function addCondition (q, field, val) {
-  var conditionFn, conditionName;
+  if (Array.isArray(val[0])) {
+    return q.where(function () {
+      return val.forEach(addCondition.bind(null, this, field));
+    });
+  }
+  
   if (!Array.isArray(val)) {
-    return q.where( field, val );
+    val = ['AND', field, val ];
-  }
+  } else if (functionOperatorMap.hasOwnProperty( val[0] ) ) {
-  conditionName = val[0];
+    val = [ val[0], field ].concat(val.slice(1));
-  if( simpleOperators.indexOf( conditionName ) !== -1 ){
+  } else {
-    return q.where.apply(q, [field].concat(val) );
+    val = [ 'AND', field ].concat(val);
-  }
-  if( functionOperators.indexOf(conditionName) !== -1 ){
-    return q[functionOperatorMap[conditionName] ]( field, val.slice(1) );
   }
+
+  return q[functionOperatorMap[val[0]]].apply(q, val.slice(1));
 }
 
+
 function getWhereCondition( cond ){
   if( Array.isArray(cond) ){
     return function(){

package.json

@@ -1,10 +1,10 @@
 {
   "name": "knex-json-query",
-  "version": "0.0.1",
+  "version": "0.0.4",
   "description": "A high-level utility which will will generate Knex query from a single JSON object.",
   "main": "index.js",
   "scripts": {
-    "test": "mocha -R spec"
+    "test": "node test"
   },
   "repository": {
     "type": "git",
@@ -22,6 +22,7 @@
   },
   "homepage": "https://github.com/harish2704/knex-json-query#readme",
   "devDependencies": {
-    "knex": "^0.12.6"
+    "knex": "^0.12.6",
+    "simple-mocha": "0.0.9"
   }
 }

test.js

@@ -2,6 +2,7 @@
 var assert = require('assert');
 var knex = require('knex')({});
 var knexJsonQuery = require('./');
+require('simple-mocha');
 
 
 var conditions= [
@@ -11,6 +12,31 @@ var conditions= [
     input:{ f1: 10, f2: 20, f3: 30 },
     output: 'select * where ("f1" = 10 and "f2" = 20 and "f3" = 30)'
   },
+  {
+    name: 'handle simple and conditions',
+    input:{"firstName":[["LIKE","H%"],["OR","hemanth"]]},
+    output: 'select * where (("firstName" LIKE \'H%\' or "firstName" = \'hemanth\'))'
+  },
+  {
+    name: 'handle simple and conditions',
+    input:{ f1: [[ 'A' ],['LIKE', 'B' ]], f2: 20, f3: 30 },
+    output: 'select * where (("f1" = \'A\' and "f1" LIKE \'B\') and "f2" = 20 and "f3" = 30)'
+  },
+  {
+    name: 'handle basic operators :: greater-than less-than',
+    input:{ f1: ['>', 10], f2: [ '<', 20 ], f3: 30 },
+    output: 'select * where ("f1" > 10 and "f2" < 20 and "f3" = 30)'
+  },
+  {
+    name: 'handle basic operators :: in',
+    input:{ f1: ['IN', [10,50]], f2: [ '<', 20 ], f3: 30 },
+    output: 'select * where ("f1" in (10, 50) and "f2" < 20 and "f3" = 30)'
+  },
+  {
+    name: 'handle multiple conditions in one field',
+    input:{ f1: [ [ 'LIKE', 20 ], 21, [ 'AND_BETWEEN', [ 40, 45 ] ] ], f2: 20, f3: 30 },
+    output: 'select * where (("f1" LIKE 20 and "f1" = 21 and "f1" between 40 and 45) and "f2" = 20 and "f3" = 30)'
+  },
   {
     name: 'handle simple and condition with like statement',
     input:{ f1: [ 'LIKE', 20 ], f2: 20, f3: 30 },
@@ -18,7 +44,7 @@ var conditions= [
   },
   {
     name: 'handle simple and condition with between statement',
-    input:{ f1: ['BETWEEN', 50, 60 ], f2: 20, f3: 30 },
+    input:{ f1: ['BETWEEN', [50, 60] ], f2: 20, f3: 30 },
     output: 'select * where ("f1" between 50 and 60 and "f2" = 20 and "f3" = 30)'
   },
   {
@@ -32,6 +58,11 @@ var conditions= [
     input:[ { f1: 10 }, { f2: 20 }, { f3: 30 } ],
     output: 'select * where (("f1" = 10) or ("f2" = 20) or ("f3" = 30))'
   },
+  {
+    name: 'handle multiple conditions in one field',
+    input:{ f1: [ [ 'LIKE', 20 ], [ 'OR', 21 ], [ 'OR_BETWEEN', [ 40, 45 ] ] ], f2: 20, f3: 30 },
+    output: 'select * where (("f1" LIKE 20 or "f1" = 21 or "f1" between 40 and 45) and "f2" = 20 and "f3" = 30)'
+  },
   {
     name: 'handle simple or condition with like statement',
     input:[ { f1: ['LIKE',10] }, { f2: 20 }, { f3: 30 } ],
@@ -39,7 +70,7 @@ var conditions= [
   },
   {
     name: 'handle simple or condition with between statement',
-    input:[ { f1: ['BETWEEN',50, 60] }, { f2: 20 }, { f3: 30 } ],
+    input:[ { f1: ['BETWEEN',[50, 60] ] }, { f2: 20 }, { f3: 30 } ],
     output: 'select * where (("f1" between 50 and 60) or ("f2" = 20) or ("f3" = 30))'
   },
   {