diff --git a/static/src/app/services/army-management/decoration.service.ts b/static/src/app/services/army-management/decoration.service.ts
index e4f1905..3ca6675 100644
--- a/static/src/app/services/army-management/decoration.service.ts
+++ b/static/src/app/services/army-management/decoration.service.ts
@@ -1,10 +1,9 @@
 import {Injectable} from '@angular/core';
 import {Decoration} from '../../models/model-interfaces';
-import {RequestMethod, RequestOptions} from '@angular/http';
 import {Observable} from 'rxjs/Observable';
 import {ADD, EDIT, LOAD, REMOVE, Store} from '../stores/generic-store';
 import {AppConfig} from '../../app.config';
-import {HttpGateway} from '../http-gateway';
+import {HttpGateway, HttpMethod} from '../http-gateway';
 import {HttpParams} from '@angular/common/http';
 
 @Injectable()
@@ -44,16 +43,16 @@ export class DecorationService {
    */
   submitDecoration(decoration: Decoration, imageFile?) {
     let requestUrl = this.config.apiDecorationPath;
-    let requestMethod: RequestMethod;
+    let requestMethod: HttpMethod;
     let accessType;
     let body;
 
     if (decoration._id) {
       requestUrl += decoration._id;
-      requestMethod = RequestMethod.Patch;
+      requestMethod = 'PATCH';
       accessType = EDIT;
     } else {
-      requestMethod = RequestMethod.Post;
+      requestMethod = 'POST';
       accessType = ADD;
     }
 
@@ -69,12 +68,7 @@ export class DecorationService {
       body = decoration;
     }
 
-    const options = new RequestOptions({
-      body: body,
-      method: requestMethod,
-    });
-
-    return this.httpGateway.request<Decoration>(requestUrl, options)
+    return this.httpGateway.request<Decoration>(requestUrl, body, requestMethod)
                .do(savedDecoration => {
                  const action = {type: accessType, data: savedDecoration};
                  this.decorationStore.dispatch(action);
diff --git a/static/src/app/services/army-management/rank.service.ts b/static/src/app/services/army-management/rank.service.ts
index d6d2cf7..bce50d1 100644
--- a/static/src/app/services/army-management/rank.service.ts
+++ b/static/src/app/services/army-management/rank.service.ts
@@ -1,10 +1,9 @@
 import {Injectable} from '@angular/core';
 import {Rank} from '../../models/model-interfaces';
-import {RequestMethod, RequestOptions} from '@angular/http';
 import {Observable} from 'rxjs/Observable';
 import {ADD, EDIT, LOAD, REMOVE, Store} from '../stores/generic-store';
 import {AppConfig} from '../../app.config';
-import {HttpGateway} from '../http-gateway';
+import {HttpGateway, HttpMethod} from '../http-gateway';
 import {HttpParams} from '@angular/common/http';
 
 @Injectable()
@@ -44,16 +43,16 @@ export class RankService {
    */
   submitRank(rank: Rank, imageFile?): Observable<Rank> {
     let requestUrl = this.config.apiRankPath;
-    let requestMethod: RequestMethod;
+    let requestMethod: HttpMethod;
     let accessType;
     let body;
 
     if (rank._id) {
       requestUrl += rank._id;
-      requestMethod = RequestMethod.Patch;
+      requestMethod = 'PATCH';
       accessType = EDIT;
     } else {
-      requestMethod = RequestMethod.Post;
+      requestMethod = 'POST';
       accessType = ADD;
     }
 
@@ -70,12 +69,7 @@ export class RankService {
       body = rank;
     }
 
-    const options = new RequestOptions({
-      body: body,
-      method: requestMethod
-    });
-
-    return this.httpGateway.request<Rank>(requestUrl, options)
+    return this.httpGateway.request<Rank>(requestUrl, body, requestMethod)
                .do(savedRank => {
                  const action = {type: accessType, data: savedRank};
                  // leave some time to save image file before accessing it through list view
diff --git a/static/src/app/services/army-management/squad.service.ts b/static/src/app/services/army-management/squad.service.ts
index 18c7d7a..cee269a 100644
--- a/static/src/app/services/army-management/squad.service.ts
+++ b/static/src/app/services/army-management/squad.service.ts
@@ -1,10 +1,9 @@
 import {Injectable} from '@angular/core';
 import {Squad} from '../../models/model-interfaces';
-import {RequestMethod, RequestOptions} from '@angular/http';
 import {Observable} from 'rxjs/Observable';
 import {ADD, EDIT, LOAD, REMOVE, Store} from '../stores/generic-store';
 import {AppConfig} from '../../app.config';
-import {HttpGateway} from '../http-gateway';
+import {HttpGateway, HttpMethod} from '../http-gateway';
 import {HttpParams} from '@angular/common/http';
 
 @Injectable()
@@ -42,16 +41,16 @@ export class SquadService {
    */
   submitSquad(squad: Squad, imageFile?): Observable<Squad> {
     let requestUrl = this.config.apiSquadPath;
-    let requestMethod: RequestMethod;
+    let requestMethod: HttpMethod;
     let accessType;
     let body;
 
     if (squad._id) {
       requestUrl += squad._id;
-      requestMethod = RequestMethod.Patch;
+      requestMethod = 'PATCH';
       accessType = EDIT;
     } else {
-      requestMethod = RequestMethod.Post;
+      requestMethod = 'POST';
       accessType = ADD;
     }
 
@@ -67,12 +66,7 @@ export class SquadService {
       body = squad;
     }
 
-    const options = new RequestOptions({
-      body: body,
-      method: requestMethod
-    });
-
-    return this.httpGateway.request<Squad>(requestUrl, options)
+    return this.httpGateway.request<Squad>(requestUrl, body, requestMethod)
                .do(savedSquad => {
                  const action = {type: accessType, data: savedSquad};
                  this.squadStore.dispatch(action);
diff --git a/static/src/app/services/http-gateway.ts b/static/src/app/services/http-gateway.ts
index ee3779e..26ce12f 100644
--- a/static/src/app/services/http-gateway.ts
+++ b/static/src/app/services/http-gateway.ts
@@ -1,10 +1,11 @@
 import {Injectable} from '@angular/core';
-import {RequestMethod} from '@angular/http';
 import {Router} from '@angular/router';
 import {CookieService} from 'ngx-cookie-service';
 import {HttpClient, HttpHeaders, HttpParams} from '@angular/common/http';
 import {Observable} from 'rxjs';
 
+export type HttpMethod = 'GET' | 'POST' | 'PUT' | 'PATCH'
+
 @Injectable()
 export class HttpGateway {
 
@@ -62,12 +63,16 @@ export class HttpGateway {
     return this.http.delete(url, this.createAuthorizationHeader());
   }
 
-  request<T>(requestUrl, options): Observable<T> {
-    if (options.method === RequestMethod.Post) {
-      return this.post<T>(requestUrl, options.body);
-    }
-    if (options.method === RequestMethod.Patch) {
-      return this.patch<T>(requestUrl, options.body);
+  request<T>(requestUrl, body, method: HttpMethod): Observable<T> {
+    switch (method) {
+      case 'GET':
+        return this.get(requestUrl);
+      case 'POST':
+        return this.post<T>(requestUrl, body);
+      case 'PUT':
+        return this.put(requestUrl, body);
+      case 'PATCH':
+        return this.patch<T>(requestUrl, body);
     }
   }
 }
diff --git a/static/src/app/services/logs/campaign.service.ts b/static/src/app/services/logs/campaign.service.ts
index 04ead21..7c08ad8 100644
--- a/static/src/app/services/logs/campaign.service.ts
+++ b/static/src/app/services/logs/campaign.service.ts
@@ -3,8 +3,7 @@ import {Campaign} from '../../models/model-interfaces';
 import {AppConfig} from '../../app.config';
 import {ADD, EDIT, LOAD, REMOVE, Store} from '../stores/generic-store';
 import {Observable} from 'rxjs';
-import {RequestMethod, RequestOptions} from '@angular/http';
-import {HttpGateway} from '../http-gateway';
+import {HttpGateway, HttpMethod} from '../http-gateway';
 
 @Injectable()
 export class CampaignService {
@@ -33,25 +32,20 @@ export class CampaignService {
 
   submitCampaign(campaign: Campaign) {
     let requestUrl: string;
-    let requestMethod: RequestMethod;
+    let requestMethod: HttpMethod;
     let accessType;
 
     if (campaign._id) {
       requestUrl = this.config.apiCampaignPath + '/' + campaign._id;
-      requestMethod = RequestMethod.Patch;
+      requestMethod = 'PATCH';
       accessType = EDIT;
     } else {
       requestUrl = this.config.apiCampaignPath;
-      requestMethod = RequestMethod.Post;
+      requestMethod = 'POST';
       accessType = ADD;
     }
 
-    const options = new RequestOptions({
-      body: campaign,
-      method: requestMethod
-    });
-
-    return this.httpGateway.request<Campaign>(requestUrl, options)
+    return this.httpGateway.request<Campaign>(requestUrl, campaign, requestMethod)
                .do(savedCampaign => {
                  const action = {type: accessType, data: savedCampaign};
                  this.campaignStore.dispatch(action);
diff --git a/static/src/app/services/logs/logs.service.ts b/static/src/app/services/logs/logs.service.ts
index 317779b..cfda5c2 100644
--- a/static/src/app/services/logs/logs.service.ts
+++ b/static/src/app/services/logs/logs.service.ts
@@ -39,7 +39,7 @@ export class LogsService {
     params.append('fraction', fraction);
     params.append('stabilized', stabilizedOnly ? 'true' : '');
     params.append('revive', reviveOnly ? 'true' : '');
-    return this.httpGateway.get(this.config .apiLogsPath + '/' + warId + '/revive', params);
+    return this.httpGateway.get(this.config.apiLogsPath + '/' + warId + '/revive', params);
   }
 
   getKillLogs(warId: string, shooterName = '', targetName = '', fraction = '', friendlyFireOnly = false, notFriendlyFireOnly = false) {
diff --git a/static/src/app/services/user-interface/snack-bar/snack-bar.service.ts b/static/src/app/services/user-interface/snack-bar/snack-bar.service.ts
index 7aafaa4..f4c7842 100644
--- a/static/src/app/services/user-interface/snack-bar/snack-bar.service.ts
+++ b/static/src/app/services/user-interface/snack-bar/snack-bar.service.ts
@@ -38,7 +38,7 @@ export class SnackBarService {
   showError(i18n: string, duration?: number) {
     this.translate.get(i18n).subscribe((translated) => {
       this.translate.get('generic.snackbar.error.button.okay').subscribe((translatedOkay) => {
-      return this.show(translated, translatedOkay, duration, ['custom-snack-bar', 'label-danger']);
+        return this.show(translated, translatedOkay, duration, ['custom-snack-bar', 'label-danger']);
       });
     });
   }