SES-160 function to buy items

SessionCompanion/SessionCompanion.Services/Interfaces/IShopkeeperItemService.cs

@@ -9,7 +9,11 @@ using System.Threading.Tasks;
 
 namespace SessionCompanion.Services.Interfaces
 {
+    using SessionCompanion.Extensions.EitherType;
+    using SessionCompanion.ViewModels.ApiResponses;
+
     public interface IShopkeeperItemService : IServiceBase<ShopkeeperItemViewModel, ShopkeeperItem>
     {
+        Task<Either<SuccessResponse, ErrorResponse>> GetActiveShkopkeeperWithItems(int shopkeeperId, int amount, int? weaponId, int? armorId);
     }
 }

SessionCompanion/SessionCompanion.Services/Services/ShopkeeperItemService.cs

@@ -5,16 +5,56 @@ using SessionCompanion.Services.Base;
 using SessionCompanion.Services.Interfaces;
 using SessionCompanion.ViewModels.ShopkeeperItemsViewModels;
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
 
 namespace SessionCompanion.Services.Services
 {
+    using System.Linq;
+
+    using Microsoft.EntityFrameworkCore;
+
+    using SessionCompanion.Extensions.EitherType;
+    using SessionCompanion.ViewModels.ApiResponses;
+    using SessionCompanion.ViewModels.ShopkeeperViewModels;
+
     public class ShopkeeperItemService : ServiceBase<ShopkeeperItemViewModel, ShopkeeperItem>, IShopkeeperItemService
     {
         public ShopkeeperItemService(IMapper mapper, IRepository<ShopkeeperItem> repository) : base(mapper, repository)
         { }
+
+        public async Task<Either<SuccessResponse, ErrorResponse>> GetActiveShkopkeeperWithItems(int shopkeeperId, int amount, int? weaponId, int? armorId)
+        {
+            try
+            {
+                var shopkeeperItem = await Repository.Get(c => c.ShopkeeperId.Equals(shopkeeperId) && c.WeaponId.Equals(weaponId) && c.ArmorId.Equals(armorId)).FirstOrDefaultAsync();
+
+                if (shopkeeperItem == null)
+                {
+                    throw new Exception("Shopkeeper with given id's couldn't have been found");
+                }
+
+                if (shopkeeperItem.Amount - amount < 0)
+                {
+                    throw new Exception("Shopkeeper does not have that quantity of the item");
+                }
+                else if (shopkeeperItem.Amount - amount == 0)
+                {
+                    this.Repository.Delete(shopkeeperItem);
+                    await this.Repository.Save();
+                    return new SuccessResponse("Items were deducted from the shopkeeper");
+                }
+                else
+                {
+                    shopkeeperItem.Amount -= amount;
+                    await this.Repository.Update(shopkeeperItem);
+                    await this.Repository.Save();
+                    return new SuccessResponse("Items were deducted from the shopkeeper");
+                }
+            }
+            catch (Exception e)
+            {
+                return new ErrorResponse() { StatusCode = 500, Message = e.Message };
+            }
+        }
     }
 }

SessionCompanion/SessionCompanion.Services/Services/ShopkeeperService.cs

@@ -86,7 +86,7 @@ namespace SessionCompanion.Services.Services
                                            .Include(t => t.ShopkeeperItems)
                                            .ThenInclude(t => t.Armor)
                                            .Include(t => t.ShopkeeperItems)
-                                           .ThenInclude(t => t.Weapon).SingleAsync();
+                                           .ThenInclude(t => t.Weapon).FirstOrDefaultAsync();
                 var result = Mapper.Map<ShopkeeperWithItemsDetailsViewModel>(activeShopkeeper);
                 return result;
             }

SessionCompanion/SessionCompanion/ClientApp/src/app/app.module.ts

@@ -65,6 +65,7 @@ import { DragDropModule } from '@angular/cdk/drag-drop';
 import { ChooseMonsterDialogComponent } from './components/choose-monster-dialog/choose-monster-dialog.component';
 import { ShopkeeperService } from '../services/shopkeeper.service';
 import { NewShopkeeperDialogComponent } from './components/game-master-shopkeepers-table/shopkeeper-dialogs/new-shopkeeper-dialog/new-shopkeeper-dialog.component';
+import { PlayerShopComponent } from './components/player-shop/player-shop.component';
 
 @NgModule({
   declarations: [
@@ -94,6 +95,7 @@ import { NewShopkeeperDialogComponent } from './components/game-master-shopkeepe
     GameMasterTurntrackerComponent,
     ChooseMonsterDialogComponent,
     NewShopkeeperDialogComponent,
+    PlayerShopComponent,
   ],
   imports: [
     BrowserModule.withServerTransition({ appId: 'ng-cli-universal' }),
@@ -158,6 +160,7 @@ import { NewShopkeeperDialogComponent } from './components/game-master-shopkeepe
     GameMasterTurntrackerComponent,
     ChooseMonsterDialogComponent,
     NewShopkeeperDialogComponent,
+    PlayerShopComponent,
   ],
 })
 export class AppModule {}

SessionCompanion/SessionCompanion/ClientApp/src/app/components/player-dashboard/player-dashboard.component.css

@@ -1,9 +1,16 @@
-@import "../../../styles.css";
+@import '../../../styles.css';
 
-.toggle-class{
+.toggle-class {
   margin: 5px;
 }
 
+.character-name {
+  width: 240px;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
 .menu-spacer {
   flex: 1 1 auto;
 }
@@ -36,7 +43,7 @@
   background-color: #102028;
 }
 
-.mat-list-item.active{
+.mat-list-item.active {
   color: #e9cca7;
 }
 

SessionCompanion/SessionCompanion/ClientApp/src/app/components/player-dashboard/player-dashboard.component.html

@@ -5,8 +5,8 @@
         <mat-icon>menu</mat-icon>
       </button>
       <span class="menu-spacer"></span>
-      <div fxShow="true" fxHide.lt-md>
+      <div fxShow="true" fxHide.lt-md class="character-name">
-        <span>Session Companion</span>
+        <span>{{characterName}}</span>
       </div>
     </mat-toolbar-row>
   </mat-toolbar>
@@ -47,7 +47,7 @@
           <a matLine>Profile</a>
         </mat-list-item>-->
 
-        <mat-list-item>
+        <mat-list-item (click)="SwitchMiddleComponent('PlayerShopComponent')">
           <mat-icon [class.active]="selected" matListIcon>shopping_cart</mat-icon>
           <a matLine>Shop</a>
         </mat-list-item>

SessionCompanion/SessionCompanion/ClientApp/src/app/components/player-dashboard/player-dashboard.component.ts

@@ -12,6 +12,8 @@ import { Router } from '@angular/router';
 import { ClearCharacterId } from '../../store/actions/player.action';
 import { MatSnackBar } from '@angular/material';
 import { SnackbarComponent } from '../../shared/snackbar/snackbar.component';
+import { CharacterService } from '../../../services/character.service';
+import { PlayerShopComponent } from '../player-shop/player-shop.component';
 
 @Component({
   selector: 'app-player-dashboard',
@@ -22,12 +24,14 @@ export class PlayerDashboardComponent implements OnInit {
   middleComponent;
   isExpanded = false;
   selected = false;
+  characterName: string = '';
 
   constructor(
     private signalRService: PlayerSignalRService,
     private store: Store<AppState>,
     private router: Router,
-    private _snackBar: MatSnackBar
+    private _snackBar: MatSnackBar,
+    private characterService: CharacterService
   ) {}
 
   ngOnInit() {
@@ -38,6 +42,13 @@ export class PlayerDashboardComponent implements OnInit {
         this.SubscribeToEvents();
         this.signalRService.Login(id);
         this.SwitchMiddleComponent('AbilitiesComponent');
+        this.characterService
+          .GetCharacterBasicInfo(id)
+          .pipe(first())
+          .subscribe((result) => {
+            console.log(result);
+            this.characterName = result.name;
+          });
       });
   }
 
@@ -59,6 +70,9 @@ export class PlayerDashboardComponent implements OnInit {
       case 'PlayerOtherEquipmentTableComponent':
         this.middleComponent = PlayerOtherEquipmentTableComponent;
         break;
+      case 'PlayerShopComponent':
+        this.middleComponent = PlayerShopComponent;
+        break;
     }
   }
 
@@ -82,6 +96,12 @@ export class PlayerDashboardComponent implements OnInit {
                 gmMessage: result.parameters.message,
               },
             });
+            break;
+          case 'RefreshShopComponent':
+            this.middleComponent = '';
+
+            this.middleComponent = PlayerShopComponent;
+            break;
         }
       }
     );

SessionCompanion/SessionCompanion/ClientApp/src/app/components/player-shop/player-shop.component.css

@@ -0,0 +1,60 @@
+.no-shops-button {
+  color: whitesmoke !important;
+  background-color: #ad2424 !important;
+}
+
+table {
+  background-color: initial;
+}
+
+mat-paginator {
+  background-color: initial;
+  color: white;
+}
+
+::ng-deep .mat-select-arrow {
+  color: whitesmoke;
+}
+
+::ng-deep .mat-select-value {
+  color: white;
+}
+
+.mat-sort-header-container {
+  color: whitesmoke !important;
+}
+
+.mat-form-field {
+  font-size: 14px;
+  width: 100%;
+}
+
+td,
+th {
+  color: whitesmoke;
+}
+
+.mat-header-cell {
+  flex-direction: column;
+  justify-content: center;
+  text-align: center;
+}
+
+.mat-cell {
+  text-align: center;
+  justify-content: center;
+}
+
+::ng-deep td.mat-cell:first-of-type,
+::ng-deep th.mat-header-cell:first-of-type {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 100px;
+}
+
+.player-shop-buy-button {
+  background-color: #1f4416;
+  margin-left: 5px;
+  color: whitesmoke;
+}

SessionCompanion/SessionCompanion/ClientApp/src/app/components/player-shop/player-shop.component.html

@@ -0,0 +1,70 @@
+<div *ngIf="shopkeeper == null">
+  <button mat-flat-button disabled class="no-shops-button">
+    All stores are currently closed, please visit us later.
+  </button>
+</div>
+<div *ngIf="shopkeeper != null">
+<p>
+  {{shopkeeper.name}}
+</p>
+  <div class="mat-elevation-z8">
+    <table mat-table [dataSource]="dataSource" matSort class="w-100">
+
+      <ng-container matColumnDef="itemName" >
+        <th mat-header-cell *matHeaderCellDef mat-sort-header > Name </th>
+        <td mat-cell *matCellDef="let row">
+          <span *ngIf="row.armor != null; else weaponNameBlock" >
+            {{row.armor.name}}
+          </span>
+          <ng-template #weaponNameBlock >
+            {{row.weapon.name}}
+          </ng-template>
+        </td>
+      </ng-container>
+
+      <ng-container matColumnDef="itemType">
+        <th mat-header-cell *matHeaderCellDef mat-sort-header> Type </th>
+        <td mat-cell *matCellDef="let row">
+          <span *ngIf="row.armor != null; else weaponTypeBlock" >
+            Armor
+          </span>
+          <ng-template #weaponTypeBlock >
+            Weapon
+          </ng-template>
+        </td>
+      </ng-container>
+
+      <ng-container matColumnDef="amount">
+        <th mat-header-cell *matHeaderCellDef mat-sort-header> Amount </th>
+        <td mat-cell *matCellDef="let row"> {{row.amount}} </td>
+      </ng-container>
+
+      <ng-container matColumnDef="amountToBuy">
+        <th mat-header-cell *matHeaderCellDef mat-sort-header> How many </th>
+        <td mat-cell *matCellDef="let row">
+          <mat-form-field style="width: 60px">
+            <input matInput type="number" [(ngModel)]="row.amountToBuy" min="1">
+          </mat-form-field>
+        </td>
+      </ng-container>
+
+      <ng-container matColumnDef="actions">
+        <th mat-header-cell *matHeaderCellDef mat-sort-header> Actions </th>
+        <td mat-cell *matCellDef="let row">
+          <button class="player-shop-buy-button" mat-flat-button (click)="BuyItem(row.weaponId, row.armorId)">
+            Buy
+          </button>
+        </td>
+      </ng-container>
+
+      <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
+      <tr mat-row *matRowDef="let row; columns: displayedColumns;"></tr>
+
+      <tr class="mat-row" *matNoDataRow>
+        <td class="mat-cell" colspan="4">No data found</td>
+      </tr>
+    </table>
+
+    <mat-paginator [pageSizeOptions]="[5, 10, 25, 100]"></mat-paginator>
+  </div>
+</div>

SessionCompanion/SessionCompanion/ClientApp/src/app/components/player-shop/player-shop.component.ts

@@ -0,0 +1,144 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { ShopkeeperWithItemsDetailsViewModel } from '../../../types/viewmodels/shopkeeper-viewmodels/ShopkeeperWithItemsDetailsViewModel';
+import { ShopkeeperService } from '../../../services/shopkeeper.service';
+import { first } from 'rxjs/operators';
+import { PlayerSignalRService } from '../../shared/signalR-service/player-signalR.service';
+import { MatPaginator } from '@angular/material/paginator';
+import { MatSort } from '@angular/material/sort';
+import { MatTableDataSource } from '@angular/material/table';
+import { ShopkeeperItemsWithItemNameAndTypeForPlayerViewModel } from '../../../types/viewmodels/shopkeeper-viewmodels/ShopkeeperItemsWithItemNameAndTypeForPlayerViewModel';
+import { Store } from '@ngrx/store';
+import { AppState } from '../../store/models/app-state.model';
+
+@Component({
+  selector: 'app-player-shop',
+  templateUrl: './player-shop.component.html',
+  styleUrls: ['./player-shop.component.css'],
+})
+export class PlayerShopComponent implements OnInit {
+  shopkeeper: ShopkeeperWithItemsDetailsViewModel;
+
+  displayedColumns: string[] = [
+    'itemName',
+    'itemType',
+    'amount',
+    'amountToBuy',
+    'actions',
+  ];
+  dataSource: MatTableDataSource<ShopkeeperItemsWithItemNameAndTypeForPlayerViewModel>;
+  @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
+  @ViewChild(MatSort, { static: true }) sort: MatSort;
+
+  constructor(
+    private shopkeeperService: ShopkeeperService,
+    private signalRService: PlayerSignalRService,
+    private store: Store<AppState>
+  ) {}
+
+  ngOnInit() {
+    this.SubscribeToEvents();
+    this.GetActiveShopkeeper();
+  }
+
+  GetActiveShopkeeper(): void {
+    this.shopkeeperService
+      .GetActiveShopkeeper()
+      .pipe(first())
+      .subscribe((result) => {
+        this.shopkeeper = result;
+
+        if (this.shopkeeper != null) {
+          this.dataSource = new MatTableDataSource(
+            result.items.map<ShopkeeperItemsWithItemNameAndTypeForPlayerViewModel>(
+              (item) => {
+                return {
+                  shopkeeperId: item.shopkeeperId,
+                  weaponId: item.weaponId,
+                  armorId: item.armorId,
+                  amount: item.amount,
+                  amountToBuy: 1,
+                  armor: item.armor,
+                  weapon: item.weapon,
+                };
+              }
+            )
+          );
+          this.dataSource.sort = this.sort;
+          this.dataSource.paginator = this.paginator;
+        }
+      });
+  }
+
+  BuyItem(weaponId: number, armorId: number) {
+    this.store
+      .select((s) => s.playerStore.characterId)
+      .pipe(first())
+      .subscribe((chracterId) => {
+        let amount = this.dataSource.data.find(
+          (item) => item.weaponId == weaponId && item.armorId == armorId
+        ).amountToBuy;
+
+        this.shopkeeperService
+          .BuyItemFromShopkeeper(
+            this.shopkeeper.id,
+            chracterId,
+            weaponId,
+            armorId,
+            amount
+          )
+          .pipe(first())
+          .subscribe(
+            (result) => {},
+            (error) => {
+              console.error(error);
+            }
+          );
+      });
+  }
+
+  RefreshAmountOnList() {
+    this.shopkeeperService
+      .GetActiveShopkeeper()
+      .pipe(first())
+      .subscribe((result) => {
+        this.dataSource.data.forEach((item, index, object) => {
+          if (item.weaponId != null) {
+            let lineWithSameWeapon = result.items.find(
+              (e) => e.weaponId == item.weaponId
+            );
+            if (lineWithSameWeapon == null) {
+              object.splice(index, 1);
+            } else {
+              object[index].amount = lineWithSameWeapon.amount;
+            }
+          } else if (item.armorId != null) {
+            let lineWithSameArmor = result.items.find(
+              (e) => e.armorId == item.armorId
+            );
+            if (lineWithSameArmor == null) {
+              object.splice(index, 1);
+            } else {
+              object[index].amount = lineWithSameArmor.amount;
+            }
+          }
+        });
+        this.dataSource.sort = this.sort;
+        this.dataSource.paginator = this.paginator;
+      });
+  }
+
+  private SubscribeToEvents(): void {
+    this.signalRService.runMethod.subscribe(
+      (result: { methodName: string; parameters }) => {
+        switch (result.methodName) {
+          case 'RefreshShopComponent':
+            this.GetActiveShopkeeper();
+            break;
+          case 'RefreshShopkeeperItems':
+            this.RefreshAmountOnList();
+            break;
+        }
+      }
+    );
+  }
+}

SessionCompanion/SessionCompanion/ClientApp/src/app/components/player-weapons-table/player-weapons-table.component.ts

@@ -13,22 +13,20 @@ import { AppState } from '../../store/models/app-state.model';
 @Component({
   selector: 'app-player-weapons-table',
   templateUrl: './player-weapons-table.component.html',
-  styleUrls: ['./player-weapons-table.component.css']
+  styleUrls: ['./player-weapons-table.component.css'],
 })
 export class PlayerWeaponsTableComponent implements OnInit {
   weapons: WeaponViewModel[];
-  displayedColumns: string[] = [
+  displayedColumns: string[] = ['name', 'weaponType', 'weight', 'cost'];
-    'name',
-    'weaponType',
-    'weight',
-    'cost',
-  ];
   dataSource: MatTableDataSource<WeaponViewModel>;
 
   @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
   @ViewChild(MatSort, { static: true }) sort: MatSort;
 
-  constructor(private store: Store<AppState>, private equipmentService: EquipmentService) {}
+  constructor(
+    private store: Store<AppState>,
+    private equipmentService: EquipmentService
+  ) {}
 
   ngOnInit() {
     this.getCharacterWeapons();
@@ -40,7 +38,7 @@ export class PlayerWeaponsTableComponent implements OnInit {
       .pipe(first())
       .subscribe((characterId) => {
         this.equipmentService
-          .getCharacterWeapons(1)
+          .getCharacterWeapons(characterId)
           .pipe(first())
           .subscribe(
             (result) => {

SessionCompanion/SessionCompanion/ClientApp/src/app/shared/signalR-service/player-signalR.service.ts

@@ -33,5 +33,29 @@ export class PlayerSignalRService {
         });
       }
     );
+    this.signalR.hubConnection.on('NewShopkeeperArrived', () => {
+      this.runMethod.next({
+        methodName: 'RefreshShopComponent',
+        parameters: {},
+      });
+    });
+    this.signalR.hubConnection.on('ShopkeeperLeft', () => {
+      this.runMethod.next({
+        methodName: 'RefreshShopComponent',
+        parameters: {},
+      });
+    });
+    this.signalR.hubConnection.on('ShopkeeperRemoved', () => {
+      this.runMethod.next({
+        methodName: 'RefreshShopComponent',
+        parameters: {},
+      });
+    });
+    this.signalR.hubConnection.on('ItemFromShopkeeperWasBought', () => {
+      this.runMethod.next({
+        methodName: 'RefreshShopkeeperItems',
+        parameters: {},
+      });
+    });
   }
 }

SessionCompanion/SessionCompanion/ClientApp/src/services/character.service.ts

@@ -1,16 +1,17 @@
-import {Inject, Injectable} from '@angular/core';
+import { Inject, Injectable } from '@angular/core';
-import {HttpClient, HttpParams} from '@angular/common/http';
+import { HttpClient, HttpParams } from '@angular/common/http';
-import {Observable, of, throwError} from 'rxjs';
+import { Observable, of, throwError } from 'rxjs';
-import {ErrorResponse} from '../types/ErrorResponse';
+import { ErrorResponse } from '../types/ErrorResponse';
-import {Either} from '../types/Either';
+import { Either } from '../types/Either';
-import {CharacterForLoginViewModel} from '../types/viewmodels/character-viewmodels/CharacterForLoginViewModel';
+import { CharacterForLoginViewModel } from '../types/viewmodels/character-viewmodels/CharacterForLoginViewModel';
-import {switchMap, retry} from 'rxjs/operators';
+import { switchMap, retry } from 'rxjs/operators';
-import {LoggedCharactersViewModel} from '../types/viewmodels/character-viewmodels/LoggedCharactersViewModel';
+import { LoggedCharactersViewModel } from '../types/viewmodels/character-viewmodels/LoggedCharactersViewModel';
-import {CharacterStatsViewModel} from "../types/viewmodels/character-viewmodels/CharacterStatsViewModel";
+import { CharacterStatsViewModel } from '../types/viewmodels/character-viewmodels/CharacterStatsViewModel';
+import { CharacterBasicInfoViewModel } from '../types/viewmodels/character-viewmodels/CharacterBasicInfoViewModel';
 
 Injectable({
-  providedIn: 'root'
+  providedIn: 'root',
-})
+});
 export class CharacterService {
   private baseUrl = 'api/character/';
   constructor(private http: HttpClient, @Inject('BASE_URL') baseUrl: string) {
@@ -18,8 +19,12 @@ export class CharacterService {
   }
 
   getLoggedCharacters(): Observable<LoggedCharactersViewModel[]> {
-    return this.http.get<Either<LoggedCharactersViewModel[], ErrorResponse>>(this.baseUrl + 'loggedCharacters').pipe(
+    return this.http
-      switchMap(response => {
+      .get<Either<LoggedCharactersViewModel[], ErrorResponse>>(
+        this.baseUrl + 'loggedCharacters'
+      )
+      .pipe(
+        switchMap((response) => {
           if (response.isLeft) {
             return of(response.left);
           } else {
@@ -30,10 +35,17 @@ export class CharacterService {
       );
   }
 
-  getUserCharactersList(userId: number): Observable<CharacterForLoginViewModel[]> {
+  getUserCharactersList(
-    const params = new HttpParams().set('userId', userId.toString())
+    userId: number
-    return this.http.get<Either<CharacterForLoginViewModel[], ErrorResponse>>(this.baseUrl + 'userCharactersList', {params}).pipe(
+  ): Observable<CharacterForLoginViewModel[]> {
-      switchMap(response => {
+    const params = new HttpParams().set('userId', userId.toString());
+    return this.http
+      .get<Either<CharacterForLoginViewModel[], ErrorResponse>>(
+        this.baseUrl + 'userCharactersList',
+        { params }
+      )
+      .pipe(
+        switchMap((response) => {
           if (response.isLeft) {
             return of(response.left);
           } else {
@@ -43,10 +55,17 @@ export class CharacterService {
       );
   }
 
-  getCharacterStats(characterId: number): Observable<CharacterStatsViewModel[]> {
+  getCharacterStats(
-    const params = new HttpParams().set('characterId', characterId.toString())
+    characterId: number
-    return this.http.get<Either<CharacterStatsViewModel[], ErrorResponse>>( this.baseUrl + 'characterStats', {params}).pipe(
+  ): Observable<CharacterStatsViewModel[]> {
-      switchMap( response => {
+    const params = new HttpParams().set('characterId', characterId.toString());
+    return this.http
+      .get<Either<CharacterStatsViewModel[], ErrorResponse>>(
+        this.baseUrl + 'characterStats',
+        { params }
+      )
+      .pipe(
+        switchMap((response) => {
           if (response.isLeft) {
             return of(response.left);
           } else {
@@ -56,4 +75,23 @@ export class CharacterService {
       );
   }
 
+  GetCharacterBasicInfo(
+    characterId: number
+  ): Observable<CharacterBasicInfoViewModel> {
+    const params = new HttpParams().set('characterId', characterId.toString());
+    return this.http
+      .get<Either<CharacterBasicInfoViewModel, ErrorResponse>>(
+        this.baseUrl + 'characterBasicInfo',
+        { params }
+      )
+      .pipe(
+        switchMap((response) => {
+          if (response.isLeft) {
+            return of(response.left);
+          } else {
+            return throwError(response.right);
+          }
+        })
+      );
+  }
 }

SessionCompanion/SessionCompanion/ClientApp/src/services/shopkeeper.service.ts

@@ -128,4 +128,46 @@ export class ShopkeeperService {
         })
       );
   }
+
+  BuyItemFromShopkeeper(
+    shopkeeperId: number,
+    characterId: number,
+    weaponId: number,
+    armorId: number,
+    amount: number
+  ): Observable<SuccessResponse> {
+    let params = new HttpParams();
+
+    if (armorId != null) {
+      params = new HttpParams()
+        .set('shopkeeperId', shopkeeperId.toString())
+        .set('characterId', characterId.toString())
+        .set('amount', amount.toString())
+        .set('armorId', armorId.toString());
+    }
+
+    if (weaponId != null) {
+      params = new HttpParams()
+        .set('shopkeeperId', shopkeeperId.toString())
+        .set('characterId', characterId.toString())
+        .set('amount', amount.toString())
+        .set('weaponId', weaponId.toString());
+    }
+
+    return this.http
+      .put<Either<SuccessResponse, ErrorResponse>>(
+        this.baseUrl + 'buyItem',
+        null,
+        { params }
+      )
+      .pipe(
+        switchMap((response) => {
+          if (response.isLeft) {
+            return of(response.left);
+          } else {
+            return throwError(response.right);
+          }
+        })
+      );
+  }
 }

SessionCompanion/SessionCompanion/ClientApp/src/types/viewmodels/character-viewmodels/CharacterBasicInfoViewModel.ts

@@ -0,0 +1,9 @@
+export interface CharacterBasicInfoViewModel {
+  id: number;
+  name: string;
+  level: number;
+  currentHealthPoints: number;
+  maxHealthPoints: number;
+  class: string;
+  race: string;
+}

SessionCompanion/SessionCompanion/ClientApp/src/types/viewmodels/shopkeeper-viewmodels/ShopkeeperItemsWithItemNameAndTypeForPlayerViewModel.ts

@@ -0,0 +1,9 @@
+export interface ShopkeeperItemsWithItemNameAndTypeForPlayerViewModel {
+  shopkeeperId: number;
+  armorId: number;
+  weaponId: number;
+  amount: number;
+  amountToBuy: number;
+  armor: {};
+  weapon: {};
+}

SessionCompanion/SessionCompanion/Controllers/ShopkeeperController.cs

@@ -14,17 +14,28 @@ namespace SessionCompanion.Controllers
     using Microsoft.AspNetCore.SignalR;
 
     using SessionCompanion.Hubs;
+    using SessionCompanion.ViewModels.CharacterArmorViewModels;
+    using SessionCompanion.ViewModels.CharacterWeaponViewModels;
 
     [ApiController]
     [Route("api/shopkeeper")]
     public class ShopkeeperController : Controller
     {
         private IShopkeeperService _service;
+
+        private IShopkeeperItemService _shopkeeperItemsService;
+
+        private ICharacterArmorService _characterArmorService;
+
+        private ICharacterWeaponService _characterWeaponService;
         private IHubContext<SessionHub> _sessionHub;
 
-        public ShopkeeperController(IShopkeeperService shopkeeperService, IHubContext<SessionHub> sessionHub)
+        public ShopkeeperController(IShopkeeperService shopkeeperService, IShopkeeperItemService shopkeeperItemsService, ICharacterWeaponService characterWeaponService, ICharacterArmorService characterArmorService, IHubContext<SessionHub> sessionHub)
         {
             this._service = shopkeeperService;
+            this._shopkeeperItemsService = shopkeeperItemsService;
+            this._characterArmorService = characterArmorService;
+            this._characterWeaponService = characterWeaponService;
             this._sessionHub = sessionHub;
         }
 
@@ -70,6 +81,80 @@ namespace SessionCompanion.Controllers
             return result;
         }
 
+        /// <summary>
+        /// Metoda kupna przedmiotu od Shopkeepera
+        /// </summary>
+        /// <param name="shopkeeperId">id sprzedawcy</param>
+        /// <param name="characterId">id postaci</param>
+        /// <param name="weaponId">id broni</param>
+        /// <param name="armorId">id pancerza</param>
+        /// <param name="amount">ilosc przedmiotu do kupienia</param>
+        /// <returns>Sukces bądź błąd</returns>
+        [HttpPut("buyItem")]
+        public async Task<Either<SuccessResponse, ErrorResponse>> BuyItemFromShopkeeper([Required] int shopkeeperId, [Required] int characterId, int? weaponId, int? armorId, [Required] int amount)
+        {
+            if (amount <= 0)
+            {
+                return new ErrorResponse("Given amount is 0 or less");
+            }
+            if (shopkeeperId <= 0)
+            {
+                return new ErrorResponse("Wrong Shopkeeper Id");
+            }
+
+            if (characterId <= 0)
+            {
+                return new ErrorResponse("Wrong Character Id");
+            }
+
+            var substrackResult = await this._shopkeeperItemsService.GetActiveShkopkeeperWithItems(shopkeeperId, amount, weaponId, armorId);
+
+            if (substrackResult.IsLeft)
+            {
+                await this._sessionHub.Clients.Groups("Players").SendAsync("ItemFromShopkeeperWasBought");
+
+                if (weaponId.HasValue)
+                {
+                    for (int i = 0; i < amount; i++)
+                    {
+                        await this._characterWeaponService.Create(
+                            new CharacterWeaponViewModel()
+                            {
+                                CharacterId = characterId,
+                                HoldInLeftHand = false,
+                                HoldInRightHand = false,
+                                InUse = false,
+                                WeaponId = weaponId.Value
+                            });
+                        await this._characterWeaponService.SaveAsync();
+                    }
+                }
+
+                if (armorId.HasValue)
+                {
+                    for (int i = 0; i < amount; i++)
+                    {
+                        await this._characterArmorService.Create(
+                            new CharacterArmorViewModel()
+                            {
+                                ArmorId = armorId.Value,
+                                CharacterId = characterId,
+                                InUse = false
+                            });
+                        await this._characterArmorService.SaveAsync();
+                    }
+                }
+
+                return new SuccessResponse("Ttems have been purchased");
+            }
+            else
+            {
+                return substrackResult;
+            }
+        }
+
+
+
         [HttpPost("createNewShopkeeper")]
         public async Task<Either<SuccessResponse, ErrorResponse>> CreateNewShopKeeper([Required] ShopkeeperWithItemsViewModel shopkeeperWithItemsViewModel)
         {