BE-#92: Added create, addEntry, removeEntry and checkEntry functional…

…ity for shopping list widget

backend/src/main/java/com/dhbw/get2gether/backend/widget/adapter/in/ShoppingListWidgetController.java

@@ -0,0 +1,61 @@
+package com.dhbw.get2gether.backend.widget.adapter.in;
+
+import com.dhbw.get2gether.backend.event.model.Event;
+import com.dhbw.get2gether.backend.widget.application.ShoppingListWidgetService;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.EntryAddCommand;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.ShoppingListCreateCommand;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.ShoppingListWidget;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.security.oauth2.core.user.OAuth2User;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/event/{eventId}/widgets/shopping-list")
+public class ShoppingListWidgetController {
+
+    private final ShoppingListWidgetService service;
+
+    ShoppingListWidgetController(ShoppingListWidgetService shoppingListWidgetService) {
+        this.service = shoppingListWidgetService;
+    }
+
+    @PostMapping("/")
+    public Event createShoppingListWidget(
+            @AuthenticationPrincipal OAuth2User principal,
+            @PathVariable String eventId,
+            @RequestBody ShoppingListCreateCommand createCommand
+    ) {
+        return service.createShoppingListWidget(principal, eventId, createCommand);
+    }
+
+    @PostMapping("/{widgetId}/entries")
+    public ShoppingListWidget addEntry(
+            @AuthenticationPrincipal OAuth2User principal,
+            @PathVariable String eventId,
+            @PathVariable String widgetId,
+            @RequestBody EntryAddCommand addCommand
+    ) {
+        return service.addEntry(principal, eventId, widgetId, addCommand);
+    }
+
+    @DeleteMapping("/{widgetId}/entries/{entryId}")
+    public ShoppingListWidget removeEntry(
+            @AuthenticationPrincipal OAuth2User principal,
+            @PathVariable String eventId,
+            @PathVariable String widgetId,
+            @PathVariable String entryId
+    ) {
+        return service.removeEntry(principal, eventId, widgetId, entryId);
+    }
+
+    @PutMapping("/{widgetId}/entries/{entryId}")
+    public ShoppingListWidget checkEntry(
+            @AuthenticationPrincipal OAuth2User principal,
+            @PathVariable String eventId,
+            @PathVariable String widgetId,
+            @PathVariable String entryId
+    ) {
+        return service.checkEntry(principal, eventId, widgetId, entryId);
+    }
+
+}

backend/src/main/java/com/dhbw/get2gether/backend/widget/application/MapWidgetService.java

@@ -45,6 +45,7 @@ public MapWidget addLocation(AuthenticatedPrincipal principal, String eventId, S
                 .id(UUID.randomUUID().toString())
                 .build();
 
+        //todo Wird der check hier benötigt nach dem eben eine UUID generiert wurde?
         if (widget.getLocations().stream().anyMatch(l -> Objects.equals(l.getId(), location.getId()))) {
             throw new IllegalStateException("Location with id " + location.getId() + " already exists");
         }

backend/src/main/java/com/dhbw/get2gether/backend/widget/application/ShoppingListWidgetService.java

@@ -0,0 +1,83 @@
+package com.dhbw.get2gether.backend.widget.application;
+
+import com.dhbw.get2gether.backend.event.application.EventService;
+import com.dhbw.get2gether.backend.event.model.Event;
+import com.dhbw.get2gether.backend.exceptions.EntityNotFoundException;
+import com.dhbw.get2gether.backend.user.application.UserService;
+import com.dhbw.get2gether.backend.widget.application.mapper.ShoppingListMapper;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.Entry;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.EntryAddCommand;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.ShoppingListCreateCommand;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.ShoppingListWidget;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.core.AuthenticatedPrincipal;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+
+@Service
+public class ShoppingListWidgetService extends AbstractWidgetService {
+
+    private final ShoppingListMapper mapper;
+    private final UserService userService;
+
+    ShoppingListWidgetService(EventService eventService, ShoppingListMapper mapper, UserService userService) {
+        super(eventService);
+        this.mapper = mapper;
+        this.userService = userService;
+    }
+
+    @PreAuthorize("hasRole('USER')")
+    public Event createShoppingListWidget(AuthenticatedPrincipal principal, String eventId, ShoppingListCreateCommand createCommand) {
+        Event event = getEventById(principal, eventId);
+        ShoppingListWidget widget = mapper.mapToShoppingListWidget(createCommand).toBuilder()
+                .id(UUID.randomUUID().toString())
+                .creationDate(LocalDateTime.now())
+                .entries(List.of())
+                .build();
+        return addWidget(principal, event, widget);
+    }
+
+    @PreAuthorize("hasRole('USER')")
+    public ShoppingListWidget addEntry(AuthenticatedPrincipal principal, String eventId, String widgetId, EntryAddCommand addCommand) {
+        Event event = getEventById(principal, eventId);
+        ShoppingListWidget widget = getWidgetFromEvent(event, widgetId);
+
+        Entry entry = mapper.mapToEntry(addCommand).toBuilder()
+                .id(UUID.randomUUID().toString())
+                .checked(false)
+                .creatorId(userService.getUserByPrincipal(principal).getId())
+                .build();
+
+        widget.addEntry(entry);
+        return updateAndGetWidget(principal, event, widget);
+    }
+
+    @PreAuthorize("hasRole('USER')")
+    public ShoppingListWidget removeEntry(AuthenticatedPrincipal principal, String eventId, String widgetId, String entryId) {
+        Event event = getEventById(principal, eventId);
+        ShoppingListWidget widget = getWidgetFromEvent(event, widgetId);
+        Entry entry = widget.getEntries().stream()
+                .filter(l -> Objects.equals(l.getId(), entryId)).findFirst()
+                .orElseThrow(() -> new EntityNotFoundException("Entry not found"));
+        if (!widget.removeEntry(entry)) {
+            throw new IllegalStateException("Failed to remove entry from event.");
+        }
+        return updateAndGetWidget(principal, event, widget);
+    }
+
+    @PreAuthorize("hasRole('USER')")
+    public ShoppingListWidget checkEntry(AuthenticatedPrincipal principal, String eventId, String widgetId, String entryId) {
+        Event event = getEventById(principal, eventId);
+        ShoppingListWidget widget = getWidgetFromEvent(event, widgetId);
+        Entry entry = widget.getEntries().stream()
+                .filter(l -> Objects.equals(l.getId(), entryId)).findFirst()
+                .orElseThrow(() -> new EntityNotFoundException("Entry not found"));
+        entry.check(userService.getUserByPrincipal(principal).getId());
+        return updateAndGetWidget(principal, event, widget);
+    }
+
+}

backend/src/main/java/com/dhbw/get2gether/backend/widget/application/mapper/ShoppingListMapper.java

@@ -0,0 +1,23 @@
+package com.dhbw.get2gether.backend.widget.application.mapper;
+
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.Entry;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.EntryAddCommand;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.ShoppingListCreateCommand;
+import com.dhbw.get2gether.backend.widget.model.shoppinglist.ShoppingListWidget;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+
+@Mapper(componentModel = "spring")
+public interface ShoppingListMapper {
+
+    @Mapping(target = "id", ignore = true)
+    @Mapping(target = "entries", ignore = true)
+    ShoppingListWidget mapToShoppingListWidget(ShoppingListCreateCommand createCommand);
+
+    @Mapping(target = "id", ignore = true)
+    @Mapping(target = "checked", ignore = true)
+    @Mapping(target = "creatorId", ignore = true)
+    @Mapping(target = "buyerId", ignore = true)
+    Entry mapToEntry(EntryAddCommand command);
+
+}

backend/src/main/java/com/dhbw/get2gether/backend/widget/model/Widget.java

@@ -3,6 +3,7 @@
 import java.time.LocalDateTime;
 
 public abstract class Widget {
+    //todo Lohnt es sich hier nicht schon id und creationDate zu deklarieren?
     public abstract String getId();
     public abstract LocalDateTime getCreationDate();
     public abstract WidgetType getWidgetType();

backend/src/main/java/com/dhbw/get2gether/backend/widget/model/shoppinglist/Entry.java

@@ -0,0 +1,22 @@
+package com.dhbw.get2gether.backend.widget.model.shoppinglist;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder(toBuilder = true)
+@Getter
+@AllArgsConstructor
+public class Entry {
+    private String id;
+    private boolean checked;
+    private String creatorId;
+    private String description;
+    private String amount;
+    private String buyerId;
+
+    public void check(String buyerId) {
+        this.checked = true;
+        this.buyerId = buyerId;
+    }
+}

backend/src/main/java/com/dhbw/get2gether/backend/widget/model/shoppinglist/EntryAddCommand.java

@@ -0,0 +1,13 @@
+package com.dhbw.get2gether.backend.widget.model.shoppinglist;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder(toBuilder = true)
+@Getter
+@AllArgsConstructor
+public class EntryAddCommand {
+    private String description;
+    private String amount;
+}

backend/src/main/java/com/dhbw/get2gether/backend/widget/model/shoppinglist/ShoppingListCreateCommand.java

@@ -0,0 +1,11 @@
+package com.dhbw.get2gether.backend.widget.model.shoppinglist;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder(toBuilder = true)
+@Getter
+@AllArgsConstructor
+public class ShoppingListCreateCommand {
+}

backend/src/main/java/com/dhbw/get2gether/backend/widget/model/shoppinglist/ShoppingListWidget.java

@@ -0,0 +1,34 @@
+package com.dhbw.get2gether.backend.widget.model.shoppinglist;
+
+import com.dhbw.get2gether.backend.widget.model.Widget;
+import com.dhbw.get2gether.backend.widget.model.WidgetType;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+
+@Builder(toBuilder = true)
+@Getter
+@AllArgsConstructor
+public class ShoppingListWidget extends Widget {
+    private final String id;
+    private final LocalDateTime creationDate;
+    private List<Entry> entries = new ArrayList<>();
+
+    @Override
+    public WidgetType getWidgetType() {
+        return WidgetType.SHOPPING_LIST;
+    }
+
+    public void addEntry(Entry entry) {
+        entries.add(entry);
+    }
+
+    public boolean removeEntry(Entry entry) {
+        return entries.remove(entry);
+    }
+}
+

frontend/src/app/dashboard/dashboard-content/dashboard-content.component.html

@@ -14,6 +14,10 @@
   <button (click)="updateUserColor('LIGHT')">Lightmode</button>
   <button (click)="updateUserColor('DARK')">Darkmode</button>
   <button (click)="updateUserColor('MODERN')">Modernmode</button>
+  <button (click)="createShoppingListWidget()">CreateShoppingListWidget</button>
+  <button (click)="addShoppingListEntry()">AddItem</button>
+  <button (click)="removeShoppingListEntry()">RemoveItem</button>
+  <button (click)="checkShoppingListEntry()">CheckEntry</button>
   <!-- TODO: remove above -->
 
   <!-- TODO: add new component here for event banner -->

frontend/src/app/dashboard/dashboard-content/dashboard-content.component.ts

@@ -8,6 +8,9 @@ import {HttpClient} from "@angular/common/http";
   styleUrl: './dashboard-content.component.scss'
 })
 export class DashboardContentComponent {
+  eventId: String = "c36cdf09-3e5b-4caf-8cf9-7b3c1a6dcdc4";
+  widgetId: String = "8f5ffd8c-4e61-483b-8810-443fa854e48d";
+  entryId: String = "5ea359e2-f536-47a5-ba6a-006337367270";
 
   constructor(
     public userService: UserService,
@@ -63,4 +66,31 @@ export class DashboardContentComponent {
       console.log(result);
     })
   }
+
+  createShoppingListWidget(){
+    this.http.post(`http://localhost:8080/event/${this.eventId}/widgets/shopping-list/`, {},{withCredentials: true}).subscribe(result =>{
+      console.log(result);
+    })
+  }
+
+  addShoppingListEntry(){
+    this.http.post(`http://localhost:8080/event/${this.eventId}/widgets/shopping-list/${this.widgetId}/entries`, {
+      "description": "Brot",
+      "amount": "2 Leibe"
+    },{withCredentials: true}).subscribe(result =>{
+      console.log(result);
+    })
+  }
+
+  removeShoppingListEntry(){
+    this.http.delete(`http://localhost:8080/event/${this.eventId}/widgets/shopping-list/${this.widgetId}/entries/${this.entryId}`, {withCredentials: true}).subscribe(result =>{
+      console.log(result);
+    })
+  }
+
+  checkShoppingListEntry(){
+    this.http.put(`http://localhost:8080/event/${this.eventId}/widgets/shopping-list/${this.widgetId}/entries/${this.entryId}`, {},  {withCredentials: true}).subscribe(result =>{
+      console.log(result);
+    })
+  }
 }