diff --git a/frontend-react/src/components/App.js b/frontend-react/src/components/App.js
index d86d479..bf43794 100644
--- a/frontend-react/src/components/App.js
+++ b/frontend-react/src/components/App.js
@@ -2,7 +2,7 @@ import React from "react";
 import Select from "react-select";
 import { connect } from "react-redux";
 import { CATEGORY_SELECT, ITEMS_CHANGED } from "constants/actionTypes";
-import { hoc } from "utils/hoc";
+import { hoc, areObjectEqual } from "utils/helpers";
 import { createOlxLink } from "utils/createOlxLink";
 import axios from "axios";
 
@@ -29,21 +29,43 @@ const mapDispatchToProps = dispatch => ({
   onItemsChanged: items => dispatch({ type: ITEMS_CHANGED, items })
 });
 
+let lastUpdateTime = null;
+let interval = null;
 class App extends React.Component {
+  componentDidMount() {
+    interval = setInterval(() => {
+      if (lastUpdateTime && Date.now() - lastUpdateTime > 2000) {
+        const { category, options, subcategory, onItemsChanged } = this.props;
+        let url = createOlxLink(category, subcategory, options);
+        url = encodeURI(url);
+        if (url) {
+          axios
+            .get(`/api/${url}`)
+            .then(response => onItemsChanged(response.data))
+            .catch(error => console.log(error));
+        }
+        lastUpdateTime = null;
+      }
+    }, 1000);
+  }
+
+  componentWillUnmount() {
+    clearInterval(interval);
+  }
+  componentWillReceiveProps(newProps) {
+    const { subcategory, category, options } = this.props;
+    if (
+      newProps.subcategory !== subcategory ||
+      newProps.category !== category ||
+      !areObjectEqual(newProps.options, options)
+    ) {
+      lastUpdateTime = Date.now();
+    }
+  }
   handleChange = selectedOption => {
     this.props.onCategoryChanged(selectedOption);
   };
 
-  getDataFromOlx = () => {
-    const { category, options, subcategory, onItemsChanged } = this.props;
-    let url = createOlxLink(category, subcategory, options);
-    url = encodeURI(url);
-    axios
-      .get(`/api/${url}`)
-      .then(response => onItemsChanged(response.data))
-      .catch(error => console.log(error));
-  };
-
   render() {
     const { category } = this.props;
 
@@ -58,7 +80,6 @@ class App extends React.Component {
           Vozila: <Vozila />,
           Nekretnine: <Nekretnine />
         })}
-        <button onClick={this.getDataFromOlx}>Get Data from OLX </button>
         <ItemsContainer />
       </div>
     );
diff --git a/frontend-react/src/components/categories/Nekretnine.js b/frontend-react/src/components/categories/Nekretnine.js
index 0ad3c02..41721e4 100644
--- a/frontend-react/src/components/categories/Nekretnine.js
+++ b/frontend-react/src/components/categories/Nekretnine.js
@@ -1,15 +1,12 @@
 import React from "react";
 import Select from "react-select";
 import { subcategorywrapper } from "utils/subcategorywrapper";
-import { hoc } from "utils/hoc";
+import { hoc } from "utils/helpers";
 
 import Stanovi from "../subcategories/nekretnine/Stanovi";
 import Kuce from "../subcategories/nekretnine/Kuce";
 
-const options = [
-  { value: "Stanovi", label: "Stanovi" },
-  { value: "Kuce", label: "Kuce" }
-];
+const options = [{ value: 23, label: "Stanovi" }, { value: 24, label: "Kuce" }];
 
 class Nekretnine extends React.Component {
   handleChange = selectedOption => {
@@ -27,8 +24,8 @@ class Nekretnine extends React.Component {
           options={options}
         />
         {hoc(subcategory && subcategory.value, {
-          Stanovi: <Stanovi />,
-          Kuce: <Kuce />
+          23: <Stanovi />,
+          24: <Kuce />
         })}
       </div>
     );
diff --git a/frontend-react/src/components/categories/Vozila.js b/frontend-react/src/components/categories/Vozila.js
index 9fddd0f..5302c7b 100644
--- a/frontend-react/src/components/categories/Vozila.js
+++ b/frontend-react/src/components/categories/Vozila.js
@@ -3,35 +3,35 @@ import Select from "react-select";
 import Automobili from "../subcategories/vozila/Automobili";
 import Motocikli from "../subcategories/vozila/Motocikli";
 import { subcategorywrapper } from "utils/subcategorywrapper";
-import { hoc } from "utils/hoc";
+import { hoc } from "utils/helpers";
 
 const options = [
-	{ value: "Automobili", label: "Automobili" },
-	{ value: "Motocikli", label: "Motocikli" }
+  { value: 18, label: "Automobili" },
+  { value: 21, label: "Motocikli" }
 ];
 
 class Vozila extends React.Component {
-	handleChange = selectedOption => {
-		this.props.onSubCategoryChanged(selectedOption);
-	};
+  handleChange = selectedOption => {
+    this.props.onSubCategoryChanged(selectedOption);
+  };
 
-	render() {
-		const { subcategory } = this.props;
+  render() {
+    const { subcategory } = this.props;
 
-		return (
-			<div>
-				<Select
-					value={subcategory}
-					onChange={this.handleChange}
-					options={options}
-				/>
-				{hoc(subcategory && subcategory.value, {
-					Automobili: <Automobili />,
-					Motocikli: <Motocikli />
-				})}
-			</div>
-		);
-	}
+    return (
+      <div>
+        <Select
+          value={subcategory}
+          onChange={this.handleChange}
+          options={options}
+        />
+        {hoc(subcategory && subcategory.value, {
+          18: <Automobili />,
+          21: <Motocikli />
+        })}
+      </div>
+    );
+  }
 }
 
 export default subcategorywrapper(Vozila);
diff --git a/frontend-react/src/components/filters/NekretnineFilter/Cijena.js b/frontend-react/src/components/filters/NekretnineFilter/Cijena.js
index 5ee7336..8363a2d 100644
--- a/frontend-react/src/components/filters/NekretnineFilter/Cijena.js
+++ b/frontend-react/src/components/filters/NekretnineFilter/Cijena.js
@@ -2,5 +2,6 @@ export const rangeOptions = {
   min: 0,
   max: 100000,
   defaultValues: [0, 100000],
-  step: 100
+  step: 100,
+  optionNames: ["od", "do"]
 };
diff --git a/frontend-react/src/components/filters/NekretnineFilter/KuceFilter/index.js b/frontend-react/src/components/filters/NekretnineFilter/KuceFilter/index.js
index 1ae5fc6..1abbeb3 100644
--- a/frontend-react/src/components/filters/NekretnineFilter/KuceFilter/index.js
+++ b/frontend-react/src/components/filters/NekretnineFilter/KuceFilter/index.js
@@ -5,42 +5,50 @@ const elements = [
   {
     type: "checkbox",
     name: "Uknjizeno",
-    optionName: "uknjizeno"
+    optionName: "uknjizeno-zk_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Namjesteno",
-    optionName: "namjesteno"
+    optionName: "namjestena_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Nedavno adaptirano",
-    optionName: "nedavno_adaptirano"
+    optionName: "nedavno-adaptirana_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Garaza",
-    optionName: "garaza"
+    optionName: "gara-a_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Balkon",
-    optionName: "balkon"
+    optionName: "balkon_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Voda",
-    optionName: "voda"
+    optionName: "voda_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Plin",
-    optionName: "plin"
+    optionName: "plin_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Bazen",
-    optionName: "bazen"
+    optionName: "bazen_checkbox",
+    value: "on"
   }
 ];
 class KuceFilter extends React.Component {
diff --git a/frontend-react/src/components/filters/NekretnineFilter/StanoviFilter/index.js b/frontend-react/src/components/filters/NekretnineFilter/StanoviFilter/index.js
index 6623663..bf9cebb 100644
--- a/frontend-react/src/components/filters/NekretnineFilter/StanoviFilter/index.js
+++ b/frontend-react/src/components/filters/NekretnineFilter/StanoviFilter/index.js
@@ -5,47 +5,56 @@ const elements = [
   {
     type: "checkbox",
     name: "Novogradnja",
-    optionName: "novogradnja"
+    optionName: "novogradnja_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Namjesten",
-    optionName: "namjesten"
+    optionName: "namjesten_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Nedavno adaptiran",
-    optionName: "Nedavno_adaptiran"
+    optionName: "nedavno-adaptiran_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Uknjizeno",
-    optionName: "uknjizeno"
+    optionName: "uknjizeno-zk_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Lift",
-    optionName: "lift"
+    optionName: "lift_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Balkon",
-    optionName: "balkon"
+    optionName: "balkon_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Parking",
-    optionName: "parking"
+    optionName: "parking_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "Plin",
-    optionName: "plin"
+    optionName: "plin_checkbox",
+    value: "on"
   },
   {
     type: "checkbox",
     name: "kablovska",
-    optionName: "kablovska"
+    optionName: "kablovska-tv_checkbox",
+    value: "on"
   }
 ];
 
diff --git a/frontend-react/src/components/filters/NekretnineFilter/Velicina.js b/frontend-react/src/components/filters/NekretnineFilter/Velicina.js
index ab3a6f3..5e9b162 100644
--- a/frontend-react/src/components/filters/NekretnineFilter/Velicina.js
+++ b/frontend-react/src/components/filters/NekretnineFilter/Velicina.js
@@ -2,5 +2,6 @@ export const rangeOptions = {
   min: 0,
   max: 1000,
   defaultValues: [0, new Date().getFullYear()],
-  step: 1
+  step: 1,
+  optionNames: ["kvadrata_min", "kvadrata_max"]
 };
diff --git a/frontend-react/src/components/filters/VozilaFilter/Cijena.js b/frontend-react/src/components/filters/VozilaFilter/Cijena.js
index 5ee7336..8363a2d 100644
--- a/frontend-react/src/components/filters/VozilaFilter/Cijena.js
+++ b/frontend-react/src/components/filters/VozilaFilter/Cijena.js
@@ -2,5 +2,6 @@ export const rangeOptions = {
   min: 0,
   max: 100000,
   defaultValues: [0, 100000],
-  step: 100
+  step: 100,
+  optionNames: ["od", "do"]
 };
diff --git a/frontend-react/src/components/filters/VozilaFilter/Godiste.js b/frontend-react/src/components/filters/VozilaFilter/Godiste.js
index d0b0c3f..c61253c 100644
--- a/frontend-react/src/components/filters/VozilaFilter/Godiste.js
+++ b/frontend-react/src/components/filters/VozilaFilter/Godiste.js
@@ -2,5 +2,6 @@ export const rangeOptions = {
   min: 1960,
   max: new Date().getFullYear(),
   defaultValues: [1960, new Date().getFullYear()],
-  step: 1
+  step: 1,
+  optionNames: ["godiste_min", "godiste_max"]
 };
diff --git a/frontend-react/src/components/filters/VozilaFilter/Gorivo.js b/frontend-react/src/components/filters/VozilaFilter/Gorivo.js
index aea510f..3ecae73 100644
--- a/frontend-react/src/components/filters/VozilaFilter/Gorivo.js
+++ b/frontend-react/src/components/filters/VozilaFilter/Gorivo.js
@@ -2,26 +2,31 @@ export const elements = [
   {
     name: "Dizel",
     optionName: "gorivo_select_dizel",
-    type: "checkbox"
+    type: "checkbox",
+    value: "Dizel"
   },
   {
     name: "Benzin",
     optionName: "gorivo_select_benzin",
-    type: "checkbox"
+    type: "checkbox",
+    value: "Benzin"
   },
   {
     name: "Plin",
     optionName: "gorivo_select_plin",
-    type: "checkbox"
+    type: "checkbox",
+    value: "Plin"
   },
   {
     name: "Hibrid",
     optionName: "gorivo_select_hibrid",
-    type: "checkbox"
+    type: "checkbox",
+    value: "Hibrid"
   },
   {
     name: "Elektro",
     optionName: "gorivo_select_elektro",
-    type: "checkbox"
+    type: "checkbox",
+    value: "Elektro"
   }
 ];
diff --git a/frontend-react/src/components/filters/VozilaFilter/Kilometraza.js b/frontend-react/src/components/filters/VozilaFilter/Kilometraza.js
index 226ce8f..38a0a19 100644
--- a/frontend-react/src/components/filters/VozilaFilter/Kilometraza.js
+++ b/frontend-react/src/components/filters/VozilaFilter/Kilometraza.js
@@ -1,15 +1,15 @@
 export const kilometrazaOptions = {
   kilometraMin: {
     choices: [{ value: 5000, label: "5000" }, { value: 10000, label: "10000" }],
-    value: "kilometrazaMin",
-    optionName: "kilometrazaMin"
+    value: "kilometra-a_min",
+    optionName: "kilometra-a_min"
   },
   kilometraMax: {
     choices: [
       { value: 15000, label: "15000" },
       { value: 200000, label: "200000" }
     ],
-    value: "kilometrazaMax",
-    optionName: "kilometrazaMax"
+    value: "kilometra-a_max",
+    optionName: "kilometra-a_max"
   }
 };
diff --git a/frontend-react/src/components/filters/VozilaFilter/Proizvodac.js b/frontend-react/src/components/filters/VozilaFilter/Proizvodac.js
index 61835ed..948f227 100644
--- a/frontend-react/src/components/filters/VozilaFilter/Proizvodac.js
+++ b/frontend-react/src/components/filters/VozilaFilter/Proizvodac.js
@@ -1,5 +1,5 @@
 export const proizvodacOptions = {
   choices: [{ value: "1900", label: "Audi" }, { value: "9000", label: "Ford" }],
-  value: "proizvodac",
-  optionName: "proizvodac"
+  value: "v_b",
+  optionName: "v_b"
 };
diff --git a/frontend-react/src/components/filters/VozilaFilter/Stanje.js b/frontend-react/src/components/filters/VozilaFilter/Stanje.js
index 1bab5e4..25ea375 100644
--- a/frontend-react/src/components/filters/VozilaFilter/Stanje.js
+++ b/frontend-react/src/components/filters/VozilaFilter/Stanje.js
@@ -20,6 +20,7 @@ export const elements = [
   {
     type: "checkbox",
     name: "Udarena vozila",
-    optionName: "udaren_checkbox"
+    optionName: "udaren_checkbox",
+    value: "on"
   }
 ];
diff --git a/frontend-react/src/components/filters/VozilaFilter/index.js b/frontend-react/src/components/filters/VozilaFilter/index.js
index fcb5d7e..64eeb28 100644
--- a/frontend-react/src/components/filters/VozilaFilter/index.js
+++ b/frontend-react/src/components/filters/VozilaFilter/index.js
@@ -19,9 +19,9 @@ class VozilaFilter extends React.Component {
           elements={Stanje.elements}
         />
         <SelectWrapper {...Proizvodac.proizvodacOptions} />
-        <RangeWrapper {...Cijena.rangeOptions} optionName="cijena" />
+        <RangeWrapper {...Cijena.rangeOptions} />
         <SelectWrapper {...Lokacija.lokacijaOptions} />
-        <RangeWrapper {...Godiste.rangeOptions} optionName="godiste" />
+        <RangeWrapper {...Godiste.rangeOptions} />
         <SelectWrapper {...Kilometraza.kilometrazaOptions.kilometraMin} />
         <SelectWrapper {...Kilometraza.kilometrazaOptions.kilometraMax} />
         <CheckboxAndRadioWrapper
diff --git a/frontend-react/src/components/widgets/CheckboxAndRadioWrapper.js b/frontend-react/src/components/widgets/CheckboxAndRadioWrapper.js
index a93cf6e..6487907 100644
--- a/frontend-react/src/components/widgets/CheckboxAndRadioWrapper.js
+++ b/frontend-react/src/components/widgets/CheckboxAndRadioWrapper.js
@@ -5,7 +5,7 @@ class CheckboxAndRadioWrapper extends React.Component {
   optionChange = (option, optionName, type) => {
     const optionTypePicker = {
       radio: option.target.value,
-      checkbox: option.target.checked
+      checkbox: option.target.checked ? option.target.value : false
     };
     const { onOptionChanged } = this.props;
     onOptionChanged({
@@ -15,10 +15,9 @@ class CheckboxAndRadioWrapper extends React.Component {
   };
   isChecked = (type, value, optionName) => {
     const { options } = this.props;
-    return type === "checkbox"
-      ? value
-      : options.hasOwnProperty(optionName) &&
-          options[optionName] === String(value);
+    return options.hasOwnProperty(optionName) && type === "checkbox"
+      ? options[optionName]
+      : options[optionName] === String(value);
   };
   renderElements = (elements, componentName) => {
     return elements.map(({ type, value, name, optionName } = {}) => (
diff --git a/frontend-react/src/components/widgets/RangeWrapper.js b/frontend-react/src/components/widgets/RangeWrapper.js
index 576ad93..3f4cf18 100644
--- a/frontend-react/src/components/widgets/RangeWrapper.js
+++ b/frontend-react/src/components/widgets/RangeWrapper.js
@@ -4,22 +4,28 @@ import { optionchangewrapper } from "utils/optionchangewrapper";
 import "rc-slider/assets/index.css";
 
 class RangeWrapper extends React.Component {
+  sendAction = (optionName, optionValue) => {
+    this.props.onOptionChanged({
+      optionName,
+      optionValue
+    });
+  };
   handleRangeChange = ([min, max] = this.props.defaultValues) => {
     this.inputMin.value = min;
     this.inputMax.value = max;
-    const { onOptionChanged, optionName } = this.props;
-    onOptionChanged({
-      optionName,
-      optionValue: [min, max]
-    });
+    const { optionNames } = this.props;
+    const optionValues = [min, max];
+    optionNames.forEach((optionName, index) =>
+      this.sendAction(optionName, optionValues[index])
+    );
   };
 
   handleInputChange = () => {
-    const { onOptionChanged, optionName } = this.props;
-    onOptionChanged({
-      optionName,
-      optionValue: [this.inputMin.value, this.inputMax.value]
-    });
+    const { optionNames } = this.props;
+    const optionValues = [this.inputMin.value, this.inputMax.value];
+    optionNames.forEach((optionName, index) =>
+      this.sendAction(optionName, optionValues[index])
+    );
   };
 
   render() {
diff --git a/frontend-react/src/utils/createOlxLink.js b/frontend-react/src/utils/createOlxLink.js
index 51578fc..3c284da 100644
--- a/frontend-react/src/utils/createOlxLink.js
+++ b/frontend-react/src/utils/createOlxLink.js
@@ -1,63 +1,15 @@
-/*category: {value: "Vozila", label: "Vozila"}
-options: 
-cijena: (2) [6500, 70500]
-godiste: (2) [2004, 2017]
-gorivo_select_benzin: true
-gorivo_select_dizel: true
-kanton: {value: "9", label: "Sarajevo"}
-kilometrazaMax: {value: 20000, label: "20000"}
-kilometrazaMin: {value: 5000, label: "5000"}
-proizvodac: {value: "1900", label: "Audi"}
-stanje: ""
-subcategory: {value: "Automobili", label: "Automobili"}
+const isObject = obj => obj === Object(obj);
+const mapOptionToLink = (options, option) =>
+  options[option] !== false
+    ? `${option}=${
+        isObject(options[option]) ? options[option].value : options[option]
+      }&`
+    : "";
 
-
-https://www.olx.ba/pretraga?
-kategorija=18&stanje=&v_b=1900
-&od=6500&do=70500
-&kanton=9&
-godiste_min=2004&godiste_max=2017
-&kilometra-a_min=5000&kilometra-a_max=50000
-&gorivo_select_dizel=Dizel&gorivo_select_benzin=Benzin
-
-{
-	"Automobili": 18,
-	"v_b": "proizvodac",
-
-}*/
-function AutomobiliLinkCreator(options) {
-	const [od, do_] = options.cijena;
-	const [godiste_min, godiste_max] = options.godiste;
-	const goriva = [
-		"gorivo_select_benzin",
-		"gorivo_select_dizel",
-		"gorivo_select_plin",
-		"gorivo_select_hibrid",
-		"gorivo_selector_elektro"
-	]
-		.filter(gorivo => options.hasOwnProperty(gorivo))
-		.reduce(
-			(izborGoriva, gorivo) =>
-				izborGoriva +
-				"" +
-				options[gorivo] +
-				"=" +
-				options[gorivo] +
-				"&",
-			""
-		);
-	return `kategorija=18&stanje=${options.stanje}&v_b=${
-		options.proizvodac.value
-	}&od=${od}&do=${do_}&kanton=${
-		options.kanton.value
-	}&godiste_min=${godiste_min}&godiste_max=${godiste_max}&kilometra-a_min=${
-		options.kilometrazaMin.value
-	}&kilometra-a_max=${options.kilometrazaMax.value}&${goriva}`;
-}
-const mappingFunctios = {
-	Automobili: AutomobiliLinkCreator
-};
-
-export const createOlxLink = (category, subcategory, options) => {
-	return mappingFunctios[subcategory.value](options);
-};
+export const createOlxLink = (category, subcategory, options) =>
+  subcategory.value
+    ? Object.keys(options).reduce(
+        (link, option) => link + mapOptionToLink(options, option),
+        `kategorija=${subcategory.value}&`
+      )
+    : "";
diff --git a/frontend-react/src/utils/helpers.js b/frontend-react/src/utils/helpers.js
new file mode 100644
index 0000000..d1e7e61
--- /dev/null
+++ b/frontend-react/src/utils/helpers.js
@@ -0,0 +1,11 @@
+export const hoc = (option, componentList) => componentList[option] || null;
+export const areObjectEqual = function checkEquality(objectA, objectB) {
+  return (
+    Object.keys(objectA).length === Object.keys(objectB).length &&
+    Object.keys(objectA).every(property =>
+      objectA[property] === Object(objectA[property])
+        ? checkEquality(objectA[property], objectB[property])
+        : objectA[property] === objectB[property]
+    )
+  );
+};
diff --git a/frontend-react/src/utils/hoc.js b/frontend-react/src/utils/hoc.js
deleted file mode 100644
index c191069..0000000
--- a/frontend-react/src/utils/hoc.js
+++ /dev/null
@@ -1 +0,0 @@
-export const hoc = (option, componentList) => componentList[option] || null;