SKE-65 can solve competition method

SystemKonkursow/4.2.1/angular/src/app/competition-detail/competition-detail.component.html

@@ -7,7 +7,7 @@
         <div class="description">
             <div class="section-color">Nagrody:</div> {{competition.prize}}
         </div>
-        <button type="button" style="margin-top: 20px" [disabled]="mode==='quiz'" class="btn btn-success" (click)="solveCompetition()">
+        <button type="button" style="margin-top: 20px" [disabled]="mode==='quiz' || !canSolveCompetition" class="btn btn-success" (click)="solveCompetition()">
             {{l("Start")}}
         </button>
         <hr />

SystemKonkursow/4.2.1/angular/src/app/competition-detail/competition-detail.component.ts

@@ -3,8 +3,8 @@ import { appModuleAnimation } from '@shared/animations/routerTransition';
 import { AppComponentBase } from '@shared/app-component-base';
 import { Subscription } from 'rxjs/Rx';
 import { ActivatedRoute } from '@angular/router';
-import { mergeMap } from 'rxjs/operators';
 import { finalize } from 'rxjs/operators';
+import { forkJoin } from 'rxjs';
 import { CompetitionServiceProxy, 
     CompetitionDto, 
     QuestionDto, 
@@ -18,11 +18,14 @@ import { CompetitionServiceProxy,
 export class CompetitionDetailComponent extends AppComponentBase implements OnInit, OnDestroy {
 
     private paramSubscription: Subscription;
+    private routeSubscription: Subscription;
     
     public competitionId: number;
     public competition: CompetitionDto = null;
     public competitionDetailAreaId: string = 'competition-detail-area';
 
+    public canSolveCompetition: boolean = false;
+
     public mode = 'detail';
 
     public pager = {
@@ -41,25 +44,31 @@ export class CompetitionDetailComponent extends AppComponentBase implements OnIn
 
     public ngOnInit() {
         this.competition = new CompetitionDto();
-        this.getCompetition();
+
+        this.routeSubscription = this.route.params
+            .subscribe(params => {
+                this.competitionId = +params['id'];
+                console.log('competitionId: ' + this.competitionId);
+                this.getCompetition();
+            })
+        
     }
 
     private getCompetition(): void {
-        this.paramSubscription = this.route.params
-            .pipe(mergeMap(params => {
-                this.competitionId = +params['id'];
-                console.log('competitionId: ' + this.competitionId);
-                this.setBusy(this.competitionDetailAreaId);
-                const competitionDetailStream = this._competitionService
-                    .getCompetition(this.competitionId)
-                    .pipe(finalize(() => { this.clearBusy(this.competitionDetailAreaId); }))
-                return competitionDetailStream
-            })).subscribe((result: CompetitionDto) => {
-                this.competition = result;
-                this.competition.questions.forEach((x) => this.shuffleOptions(x.questionOptions));
-                this.pager.count = this.competition.questions.length;
-                console.log(this.competition);
-            });
+        this.setBusy(this.competitionDetailAreaId);
+
+        this.paramSubscription = forkJoin([this._competitionService.getCompetition(this.competitionId),
+            this._competitionService.canSolveCompetition(this.competitionId)])
+                .pipe(finalize(() => { this.clearBusy(this.competitionDetailAreaId); }))
+                .subscribe((data: [CompetitionDto, boolean]) => {
+                    this.competition = data[0];
+                    this.competition.questions.forEach((x) => this.shuffleOptions(x.questionOptions));
+                    this.pager.count = this.competition.questions.length;
+                    console.log(this.competition);
+
+                    this.canSolveCompetition = data[1];
+                    console.log(this.canSolveCompetition);
+                });
     }
 
     private shuffleOptions(array) {
@@ -120,6 +129,10 @@ export class CompetitionDetailComponent extends AppComponentBase implements OnIn
         if (this.paramSubscription) {
             this.paramSubscription.unsubscribe();
         }
+
+        if (this.routeSubscription) {
+            this.routeSubscription.unsubscribe();
+        }
     }
 
 }

SystemKonkursow/4.2.1/angular/src/shared/service-proxies/service-proxies.ts

@@ -328,6 +328,61 @@ export class CompetitionServiceProxy {
         }
         return _observableOf<CompetitionDto>(<any>null);
     }
+
+    /**
+     * @competitionId (optional) 
+     * @return Success
+     */
+    canSolveCompetition(competitionId: number | null | undefined): Observable<boolean> {
+        let url_ = this.baseUrl + "/api/services/app/Competition/CanSolveCompetition?";
+        if (competitionId !== undefined)
+            url_ += "competitionId=" + encodeURIComponent("" + competitionId) + "&"; 
+        url_ = url_.replace(/[?&]$/, "");
+
+        let options_ : any = {
+            observe: "response",
+            responseType: "blob",
+            headers: new HttpHeaders({
+                "Content-Type": "application/json", 
+                "Accept": "application/json"
+            })
+        };
+
+        return this.http.request("post", url_, options_).pipe(_observableMergeMap((response_ : any) => {
+            return this.processCanSolveCompetition(response_);
+        })).pipe(_observableCatch((response_: any) => {
+            if (response_ instanceof HttpResponseBase) {
+                try {
+                    return this.processCanSolveCompetition(<any>response_);
+                } catch (e) {
+                    return <Observable<boolean>><any>_observableThrow(e);
+                }
+            } else
+                return <Observable<boolean>><any>_observableThrow(response_);
+        }));
+    }
+
+    protected processCanSolveCompetition(response: HttpResponseBase): Observable<boolean> {
+        const status = response.status;
+        const responseBlob = 
+            response instanceof HttpResponse ? response.body : 
+            (<any>response).error instanceof Blob ? (<any>response).error : undefined;
+
+        let _headers: any = {}; if (response.headers) { for (let key of response.headers.keys()) { _headers[key] = response.headers.get(key); }};
+        if (status === 200) {
+            return blobToText(responseBlob).pipe(_observableMergeMap(_responseText => {
+            let result200: any = null;
+            let resultData200 = _responseText === "" ? null : JSON.parse(_responseText, this.jsonParseReviver);
+            result200 = resultData200 !== undefined ? resultData200 : <any>null;
+            return _observableOf(result200);
+            }));
+        } else if (status !== 200 && status !== 204) {
+            return blobToText(responseBlob).pipe(_observableMergeMap(_responseText => {
+            return throwException("An unexpected server error occurred.", status, _responseText, _headers);
+            }));
+        }
+        return _observableOf<boolean>(<any>null);
+    }
 }
 
 @Injectable()

SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Application/Competition/CompetitionCategory/CompetitionAppService.cs

@@ -5,6 +5,7 @@ using Microsoft.EntityFrameworkCore;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using SystemKonkursow.Authorization.Users;
 using SystemKonkursow.Competition.CompetitionCategory.Dto;
 
 namespace SystemKonkursow.Competition.CompetitionCategory
@@ -15,16 +16,22 @@ namespace SystemKonkursow.Competition.CompetitionCategory
         private readonly IRepository<Domain.Competition, long> _competitionRepository;
         private readonly IRepository<Domain.Question, int> _questionRepository;
         private readonly IRepository<Domain.QuestionOption, int> _questionOptionRepository;
+        private readonly UserManager _userManager;
+        private readonly IRepository<Domain.Participant, int> _participantRepository;
 
         public CompetitionAppService(IRepository<Domain.CompetitionCategory, int> competitionCategoryRepository,
             IRepository<Domain.Competition, long> competitionRepository,
             IRepository<Domain.Question, int> questionRepository,
-            IRepository<Domain.QuestionOption, int> questionOptionRepository)
+            IRepository<Domain.QuestionOption, int> questionOptionRepository,
+            UserManager userManager,
+            IRepository<Domain.Participant, int> participantRepository)
         {
             _competitionCategoryRepository = competitionCategoryRepository;
             _competitionRepository = competitionRepository;
             _questionRepository = questionRepository;
             _questionOptionRepository = questionOptionRepository;
+            _userManager = userManager;
+            _participantRepository = participantRepository;
         }
 
         [AbpAuthorize]
@@ -116,5 +123,34 @@ namespace SystemKonkursow.Competition.CompetitionCategory
             return mappedObject;
         }
 
+        [AbpAuthorize]
+        public async Task<bool> CanSolveCompetition(int competitionId)
+        {
+            var user = await GetCurrentUserAsync();
+
+            var isParticipant = await _userManager.IsParticipantUserAsync(user);
+
+            if (isParticipant)
+            {
+                var participant = await _participantRepository.GetAll()
+                    .FirstOrDefaultAsync(t => t.UserId == user.Id);
+
+                var competition = await _competitionRepository.GetAll()
+                    .FirstOrDefaultAsync(t => t.Id == competitionId);
+
+                if (participant.ParticipantClass < competition.MinClass || participant.ParticipantClass > competition.MaxClass)
+                {
+                    return false;
+                }
+
+                return true;
+
+            }
+            else
+            {
+                return false;
+            }
+        }
+
     }
 }

SystemKonkursow/4.2.1/aspnet-core/src/SystemKonkursow.Core/Authorization/Users/UserManager.cs

@@ -11,6 +11,7 @@ using Abp.Domain.Uow;
 using Abp.Organizations;
 using Abp.Runtime.Caching;
 using SystemKonkursow.Authorization.Roles;
+using System.Threading.Tasks;
 
 namespace SystemKonkursow.Authorization.Users
 {
@@ -54,5 +55,16 @@ namespace SystemKonkursow.Authorization.Users
                 settingManager)
         {
         }
+
+        public async Task<bool> CheckHasUserRole(User user, string roleName)
+        {
+            return await IsInRoleAsync(user, roleName);
+        }
+
+        public async Task<bool> IsParticipantUserAsync(User user)
+        {
+            return await CheckHasUserRole(user, StaticRoleNames.Host.Participant);
+        }
+
     }
 }