remove boilerplate from settings

interface/src/components/RestComponent.js

@@ -1,6 +1,13 @@
 import React from 'react';
 import {withNotifier} from '../components/SnackbarNotification';
 
+/*
+* It is unlikely this application will grow complex enough to require redux.
+*
+* This HOC acts as an interface to a REST service, providing data and change
+* event callbacks to the wrapped components along with a function to persist the
+* changes.
+*/
 export const restComponent = (endpointUrl, FormComponent) => {
 
   return withNotifier(
@@ -9,6 +16,12 @@ export const restComponent = (endpointUrl, FormComponent) => {
       constructor(props) {
         super(props);
 
+        this.state={
+                 data:null,
+                 fetched: false,
+                 errorMessage:null
+               };
+
         this.setState = this.setState.bind(this);
         this.loadData = this.loadData.bind(this);
         this.saveData = this.saveData.bind(this);
@@ -47,7 +60,7 @@ export const restComponent = (endpointUrl, FormComponent) => {
         this.setState({fetched: false});
         fetch(endpointUrl, {
           method: 'POST',
-          body: JSON.stringify(this.statedata),
+          body: JSON.stringify(this.state.data),
           headers: new Headers({
             'Content-Type': 'application/json'
           })
@@ -67,13 +80,13 @@ export const restComponent = (endpointUrl, FormComponent) => {
         });
       }
 
-      valueChange = name => event => {
+      handleValueChange = name => event => {
         const { data } = this.state;
         data[name] = event.target.value;
         this.setState({data});
       };
 
-      checkboxChange = name => event => {
+      handleCheckboxChange = name => event => {
         const { data } = this.state;
         data[name] = event.target.checked;
         this.setState({data});
@@ -81,8 +94,8 @@ export const restComponent = (endpointUrl, FormComponent) => {
 
       render() {
         return <FormComponent
-                  valueChange={this.valueChange}
-                  checkboxChange={this.checkboxChange}
+                  handleValueChange={this.handleValueChange}
+                  handleCheckboxChange={this.handleCheckboxChange}
                   setData={this.setData}
                   saveData={this.saveData}
                   loadData={this.loadData}

interface/src/containers/APSettings.js

@@ -1,69 +1,32 @@
 import React, { Component } from 'react';
 
 import { AP_SETTINGS_ENDPOINT }  from  '../constants/Endpoints';
-import {withNotifier} from '../components/SnackbarNotification';
+import { restComponent } from '../components/RestComponent';
 import SectionContent from '../components/SectionContent';
 import APSettingsForm from '../forms/APSettingsForm';
-import { simpleGet } from  '../helpers/SimpleGet';
-import { simplePost } from '../helpers/SimplePost';
 
 class APSettings extends Component {
 
-  constructor(props) {
-    super(props);
-
-    this.state = {
-             apSettings:null,
-             apSettingsFetched: false,
-             errorMessage:null
-           };
-
-    this.setState = this.setState.bind(this);
-    this.loadAPSettings = this.loadAPSettings.bind(this);
-    this.saveAPSettings = this.saveAPSettings.bind(this);
-  }
-
   componentDidMount() {
-    this.loadAPSettings();
+    this.props.loadData();
   }
 
-  loadAPSettings() {
-    simpleGet(
-      AP_SETTINGS_ENDPOINT,
-      this.setState,
-      this.props.raiseNotification,
-      "apSettings",
-      "apSettingsFetched"
-    );
-  }
-
-  saveAPSettings(e) {
-    simplePost(
-      AP_SETTINGS_ENDPOINT,
-      this.state,
-      this.setState,
-      this.props.raiseNotification,
-      "apSettings",
-      "apSettingsFetched"
-    );
-  }
-
-  wifiSettingValueChange = name => event => {
-    const { apSettings } = this.state;
-    apSettings[name] = event.target.value;
-    this.setState({apSettings});
-  };
-
   render() {
-    const { apSettingsFetched, apSettings, errorMessage } = this.state;
+    const { data, fetched, errorMessage } = this.props;
     return (
       <SectionContent title="AP Settings">
-      	<APSettingsForm  apSettingsFetched={apSettingsFetched} apSettings={apSettings} errorMessage={errorMessage}
-          onSubmit={this.saveAPSettings} onReset={this.loadAPSettings} handleValueChange={this.wifiSettingValueChange} />
+      	<APSettingsForm          
+          apSettings={data}
+          apSettingsFetched={fetched}
+          errorMessage={errorMessage}
+          onSubmit={this.props.saveData}
+          onReset={this.props.loadData}
+          handleValueChange={this.props.handleValueChange}
+        />
       </SectionContent>
     )
   }
 
 }
 
-export default withNotifier(APSettings);
+export default restComponent(AP_SETTINGS_ENDPOINT, APSettings);

interface/src/containers/APStatus.js

@@ -16,7 +16,6 @@ import SectionContent from '../components/SectionContent'
 
 import * as Highlight from '../constants/Highlight';
 import { AP_STATUS_ENDPOINT }  from  '../constants/Endpoints';
-import { simpleGet }  from  '../helpers/SimpleGet';
 
 const styles = theme => ({
   ["apStatus_" + Highlight.SUCCESS]: {

interface/src/containers/NTPSettings.js

@@ -1,7 +1,7 @@
 import React, { Component } from 'react';
 
 import { NTP_SETTINGS_ENDPOINT }  from  '../constants/Endpoints';
-import {withNotifier} from '../components/SnackbarNotification';
+import {restComponent} from '../components/RestComponent';
 import SectionContent from '../components/SectionContent';
 import NTPSettingsForm from '../forms/NTPSettingsForm';
 import { simpleGet }  from  '../helpers/SimpleGet';
@@ -9,61 +9,26 @@ import { simplePost } from '../helpers/SimplePost';
 
 class NTPSettings extends Component {
 
-  constructor(props) {
-    super(props);
-
-    this.state = {
-             ntpSettings:{},
-             ntpSettingsFetched: false,
-             errorMessage:null
-           };
-
-    this.setState = this.setState.bind(this);
-    this.loadNTPSettings = this.loadNTPSettings.bind(this);
-    this.saveNTPSettings = this.saveNTPSettings.bind(this);
-  }
-
   componentDidMount() {
-      this.loadNTPSettings();
+      this.props.loadData();
   }
 
-  loadNTPSettings() {
-    simpleGet(
-      NTP_SETTINGS_ENDPOINT,
-      this.setState,
-      this.props.raiseNotification,
-      "ntpSettings",
-      "ntpSettingsFetched"
-    );
-  }
-
-  saveNTPSettings(e) {
-    simplePost(
-      NTP_SETTINGS_ENDPOINT,
-      this.state,
-      this.setState,
-      this.props.raiseNotification,
-      "ntpSettings",
-      "ntpSettingsFetched"
-    );
-  }
-
-  ntpSettingValueChange = name => event => {
-    const { ntpSettings } = this.state;
-    ntpSettings[name] = event.target.value;
-    this.setState({ntpSettings});
-  };
-
   render() {
-    const { ntpSettingsFetched, ntpSettings, errorMessage } = this.state;
+    const { data, fetched, errorMessage } = this.props;
     return (
       <SectionContent title="NTP Settings">
-      	<NTPSettingsForm ntpSettingsFetched={ntpSettingsFetched} ntpSettings={ntpSettings} errorMessage={errorMessage}
-          onSubmit={this.saveNTPSettings} onReset={this.loadNTPSettings} handleValueChange={this.ntpSettingValueChange} />
+      	<NTPSettingsForm
+          ntpSettings={data}
+          ntpSettingsFetched={fetched}
+          errorMessage={errorMessage}
+          onSubmit={this.props.saveData}
+          onReset={this.props.loadData}
+          handleValueChange={this.props.handleValueChange}
+        />
       </SectionContent>
     )
   }
 
 }
 
-export default withNotifier(NTPSettings);
+export default restComponent(NTP_SETTINGS_ENDPOINT, NTPSettings);

interface/src/containers/OTASettings.js

@@ -1,7 +1,7 @@
 import React, { Component } from 'react';
 
 import { OTA_SETTINGS_ENDPOINT }  from  '../constants/Endpoints';
-import {withNotifier} from '../components/SnackbarNotification';
+import {restComponent} from '../components/RestComponent';
 import SectionContent from '../components/SectionContent';
 import OTASettingsForm from '../forms/OTASettingsForm';
 import { simpleGet }  from  '../helpers/SimpleGet';
@@ -9,68 +9,27 @@ import { simplePost } from '../helpers/SimplePost';
 
 class OTASettings extends Component {
 
-  constructor(props) {
-    super(props);
-
-    this.state = {
-             otaSettings:null,
-             otaSettingsFetched: false,
-             errorMessage:null
-           };
-
-    this.setState = this.setState.bind(this);
-    this.loadOTASettings = this.loadOTASettings.bind(this);
-    this.saveOTASettings = this.saveOTASettings.bind(this);
-  }
-
   componentDidMount() {
-      this.loadOTASettings();
-  }
-
-  loadOTASettings() {
-    simpleGet(
-      OTA_SETTINGS_ENDPOINT,
-      this.setState,
-      this.props.raiseNotification,
-      "otaSettings",
-      "otaSettingsFetched"
-    );
-  }
-
-  saveOTASettings(e) {
-    simplePost(
-      OTA_SETTINGS_ENDPOINT,
-      this.state,
-      this.setState,
-      this.props.raiseNotification,
-      "otaSettings",
-      "otaSettingsFetched"
-    );
-  }
-
-  otaSettingValueChange = name => event => {
-    const { otaSettings } = this.state;
-    otaSettings[name] = event.target.value;
-    this.setState({otaSettings});
-  };
-
-  otaSettingCheckboxChange = name => event => {
-    const { otaSettings } = this.state;
-    otaSettings[name] = event.target.checked;
-    this.setState({otaSettings});
+      this.props.loadData();
   }
 
   render() {
-    const { otaSettingsFetched, otaSettings, errorMessage } = this.state;
+    const { data, fetched, errorMessage } = this.props;
     return (
       <SectionContent title="OTA Settings">
-      	<OTASettingsForm otaSettingsFetched={otaSettingsFetched} otaSettings={otaSettings} errorMessage={errorMessage}
-          onSubmit={this.saveOTASettings} onReset={this.loadOTASettings} handleValueChange={this.otaSettingValueChange}
-          handleCheckboxChange={this.otaSettingCheckboxChange} />
+      	<OTASettingsForm
+          otaSettings={data}
+          otaSettingsFetched={fetched}
+          errorMessage={errorMessage}
+          onSubmit={this.props.saveData}
+          onReset={this.props.loadData}
+          handleValueChange={this.props.handleValueChange}
+          handleCheckboxChange={this.props.handleCheckboxChange}
+        />
       </SectionContent>
     )
   }
 
 }
 
-export default withNotifier(OTASettings);
+export default restComponent(OTA_SETTINGS_ENDPOINT, OTASettings);

interface/src/containers/WiFiSettings.js

@@ -2,7 +2,7 @@ import React, { Component } from 'react';
 import PropTypes from 'prop-types';
 
 import { WIFI_SETTINGS_ENDPOINT }  from  '../constants/Endpoints';
-import {withNotifier} from '../components/SnackbarNotification';
+import { restComponent } from '../components/RestComponent';
 import SectionContent from '../components/SectionContent';
 import WiFiSettingsForm from '../forms/WiFiSettingsForm';
 import { simpleGet }  from  '../helpers/SimpleGet';
@@ -14,15 +14,8 @@ class WiFiSettings extends Component {
     super(props);
 
     this.state = {
-             wifiSettingsFetched: false,
-             wifiSettings:{},
              selectedNetwork: null,
-             errorMessage:null
            };
-
-    this.setState = this.setState.bind(this);
-    this.loadWiFiSettings = this.loadWiFiSettings.bind(this);
-    this.saveWiFiSettings = this.saveWiFiSettings.bind(this);
     this.deselectNetwork = this.deselectNetwork.bind(this);
   }
 
@@ -35,58 +28,39 @@ class WiFiSettings extends Component {
         hostname:"esp8266-react",
         static_ip_config:false,
       }
-      this.setState({wifiSettingsFetched:true, wifiSettings, selectedNetwork, errorMessage:null});
+      this.props.setData(wifiSettings);
+      this.setState({ selectedNetwork });
       deselectNetwork();
     }else {
-      this.loadWiFiSettings();
+      this.props.loadData();
     }
   }
 
-  loadWiFiSettings() {
+  deselectNetworkAndLoadData() {
     this.deselectNetwork();
-
-    simpleGet(
-      WIFI_SETTINGS_ENDPOINT,
-      this.setState,
-      this.props.raiseNotification,
-      "wifiSettings",
-      "wifiSettingsFetched"
-    );
-  }
-
-  saveWiFiSettings(e) {
-    simplePost(
-      WIFI_SETTINGS_ENDPOINT,
-      this.state,
-      this.setState,
-      this.props.raiseNotification,
-      "wifiSettings",
-      "wifiSettingsFetched"
-    );
+    this.props.loadData();
   }
 
-  deselectNetwork(nextNetwork) {
-    this.setState({selectedNetwork:null});
-  }
-
-  wifiSettingValueChange = name => event => {
-    const { wifiSettings } = this.state;
-    wifiSettings[name] = event.target.value;
-    this.setState({wifiSettings});
-  };
-
-  wifiSettingCheckboxChange = name => event => {
-    const { wifiSettings } = this.state;
-    wifiSettings[name] = event.target.checked;
-    this.setState({wifiSettings});
+  deselectNetwork() {
+    this.setState({ selectedNetwork:null });
   }
 
   render() {
-    const { wifiSettingsFetched, wifiSettings, errorMessage, selectedNetwork } = this.state;
+    const { selectedNetwork } = this.state;
+    const { data, fetched, errorMessage } = this.props;
     return (
       <SectionContent title="WiFi Settings">
-      	<WiFiSettingsForm wifiSettingsFetched={wifiSettingsFetched} wifiSettings={wifiSettings} errorMessage={errorMessage} selectedNetwork={selectedNetwork} deselectNetwork={this.deselectNetwork}
-          onSubmit={this.saveWiFiSettings} onReset={this.loadWiFiSettings} handleValueChange={this.wifiSettingValueChange} handleCheckboxChange={this.wifiSettingCheckboxChange} />
+      	<WiFiSettingsForm
+          wifiSettings={data}
+          wifiSettingsFetched={fetched}
+          errorMessage={errorMessage}
+          selectedNetwork={selectedNetwork}
+          deselectNetwork={this.deselectNetwork}
+          onSubmit={this.props.saveData}
+          onReset={this.deselectNetworkAndLoadData}
+          handleValueChange={this.props.handleValueChange}
+          handleCheckboxChange={this.props.handleCheckboxChange}
+        />
       </SectionContent>
     )
   }
@@ -98,4 +72,4 @@ WiFiSettings.propTypes = {
   selectedNetwork: PropTypes.object
 };
 
-export default withNotifier(WiFiSettings);
+export default restComponent(WIFI_SETTINGS_ENDPOINT, WiFiSettings);