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src/main/java/de/mbremer/extension/CommonExtensions.java

@@ -0,0 +1,15 @@
+package de.mbremer.extension;
+
+import io.quarkus.qute.TemplateExtension;
+
+import java.time.LocalDate;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+
+@TemplateExtension
+public class CommonExtensions {
+
+  public static String formatCommon(LocalDate date) {
+    return date == null ? "" : date.atStartOfDay(ZoneId.systemDefault()).format(DateTimeFormatter.ofPattern("EEEE, d.M.yyyy"));
+  }
+}

src/main/java/de/mbremer/kalender/KalenderResource.java

@@ -1,19 +1,31 @@
 package de.mbremer.kalender;
 
+import de.mbremer.secutity.User;
 import io.quarkus.qute.Template;
 import io.quarkus.qute.TemplateInstance;
+import io.quarkus.security.identity.SecurityIdentity;
+import org.jboss.logging.Logger;
+import org.jboss.resteasy.annotations.providers.multipart.MultipartForm;
 
 import javax.annotation.security.RolesAllowed;
 import javax.inject.Inject;
-import javax.ws.rs.GET;
-import javax.ws.rs.Path;
-import javax.ws.rs.Produces;
+import javax.persistence.NoResultException;
+import javax.transaction.Transactional;
+import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
+import java.time.LocalDate;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 @Path("/kalender")
 @RolesAllowed({"USER", "ADMIN"})
 public class KalenderResource {
 
+  @Inject
+  Logger log;
+  @Inject
+  SecurityIdentity identity;
   @Inject
   Template kalender;
 
@@ -21,6 +33,54 @@ public class KalenderResource {
   @GET
   @Produces(MediaType.TEXT_HTML)
   public TemplateInstance kalender() {
-    return kalender.instance();
+    User currentUser = User.find("username", identity.getPrincipal().getName()).singleResult();
+    LocalDate today = LocalDate.now();
+
+    LocalDate montag = today.minusDays(today.getDayOfWeek().getValue() - 1);
+
+    List<KalenderTag> week0 = getWeek(currentUser, montag);
+    List<KalenderTag> week1 = getWeek(currentUser, montag.plusDays(7));
+    List<KalenderTag> week2 = getWeek(currentUser, montag.plusDays(14));
+
+    return kalender
+        .data("today", today)
+        .data("week0", week0)
+        .data("week1", week1)
+        .data("week2", week2);
+  }
+
+  private List<KalenderTag> getWeek(User currentUser, LocalDate start) {
+    return Stream.iterate(0, i -> i < 5, i -> ++i)
+        .map(d -> {
+          LocalDate day = start.plusDays(d);
+          KalenderTag tag = (KalenderTag) KalenderTag.find("day", day).singleResultOptional().orElse(new KalenderTag(day));
+          tag.setCurrentUserInOffice(currentUser.equals(tag.getInOffice()));
+          return tag;
+        })
+        .collect(Collectors.toList());
+  }
+
+  @POST
+  @Transactional
+  @Consumes(MediaType.MULTIPART_FORM_DATA)
+  @Path("/inoffice/{day}")
+  public TemplateInstance update(@PathParam("day") String day, @MultipartForm KalenderTagForm kalenderForm) {
+    LocalDate dayParsed = LocalDate.parse(day);
+
+    User currentUser = User.find("username", identity.getPrincipal().getName()).singleResult();
+    try {
+      KalenderTag tag = KalenderTag.find("day", dayParsed).singleResult();
+      if (kalenderForm.isInOffice() && tag.getInOffice() == null) {
+        tag.setInOffice(currentUser);
+      } else if (!kalenderForm.isInOffice() && currentUser.equals(tag.getInOffice())) {
+        tag.setInOffice(null);
+      }
+    } catch (NoResultException e) {
+      KalenderTag tag = new KalenderTag(dayParsed);
+      tag.setInOffice(currentUser);
+      tag.persist();
+    }
+
+    return kalender();
   }
 }

src/main/java/de/mbremer/kalender/KalenderTag.java

@@ -3,18 +3,27 @@ package de.mbremer.kalender;
 import de.mbremer.secutity.User;
 import io.quarkus.hibernate.orm.panache.PanacheEntity;
 import lombok.Getter;
+import lombok.RequiredArgsConstructor;
 import lombok.Setter;
 
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
-import javax.persistence.OneToMany;
+import javax.persistence.Entity;
+import javax.persistence.OneToOne;
+import javax.persistence.Transient;
 import java.time.LocalDate;
 
 @Getter
 @Setter
+@RequiredArgsConstructor
+@Entity
 public class KalenderTag extends PanacheEntity {
 
-  private LocalDate date;
-  @OneToMany
+  private LocalDate day;
+  @OneToOne
   private User inOffice;
+  @Transient
+  private boolean currentUserInOffice;
+
+  public KalenderTag(LocalDate day) {
+    this.day = day;
+  }
 }

src/main/java/de/mbremer/kalender/KalenderTagForm.java

@@ -0,0 +1,16 @@
+package de.mbremer.kalender;
+
+import org.jboss.resteasy.annotations.providers.multipart.PartType;
+
+import javax.ws.rs.FormParam;
+import javax.ws.rs.core.MediaType;
+
+public class KalenderTagForm {
+  @FormParam("inoffice")
+  @PartType(MediaType.TEXT_PLAIN)
+  String inOffice;
+
+  boolean isInOffice() {
+    return "on".equals(inOffice);
+  }
+}