Add created/updated at

src/main/java/dev/kruhlmann/imgfloat/model/Asset.java

@@ -29,9 +29,12 @@ public class Asset {
     @Column(columnDefinition = "TEXT", nullable = false)
     private String preview;
 
-    @Column(nullable = false)
+    @Column(name = "created_at", nullable = false, updatable = false)
     private Instant createdAt;
 
+    @Column(name = "updated_at", nullable = false)
+    private Instant updatedAt;
+
     private double x;
     private double y;
     private double width;
@@ -66,17 +69,20 @@ public class Asset {
         this.zIndex = 1;
         this.hidden = true;
         this.createdAt = Instant.now();
+        this.updatedAt = this.createdAt;
     }
 
     @PrePersist
     @PreUpdate
     public void prepare() {
+        Instant now = Instant.now();
         if (this.id == null) {
             this.id = UUID.randomUUID().toString();
         }
         if (this.createdAt == null) {
-            this.createdAt = Instant.now();
+            this.createdAt = now;
         }
+        this.updatedAt = now;
         this.broadcaster = normalize(broadcaster);
         if (this.name == null || this.name.isBlank()) {
             this.name = this.id;
@@ -235,6 +241,14 @@ public class Asset {
         this.createdAt = createdAt;
     }
 
+    public Instant getUpdatedAt() {
+        return updatedAt;
+    }
+
+    public void setUpdatedAt(Instant updatedAt) {
+        this.updatedAt = updatedAt;
+    }
+
     public Integer getZIndex() {
         return zIndex == null ? 1 : Math.max(1, zIndex);
     }

src/main/java/dev/kruhlmann/imgfloat/model/AssetView.java

@@ -25,7 +25,8 @@ public record AssetView(
     Double audioVolume,
     boolean hidden,
     boolean hasPreview,
-    Instant createdAt
+    Instant createdAt,
+    Instant updatedAt
 ) {
     public static AssetView from(String broadcaster, Asset asset) {
         return new AssetView(
@@ -53,7 +54,8 @@ public record AssetView(
             asset.getAudioVolume(),
             asset.isHidden(),
             asset.getPreview() != null && !asset.getPreview().isBlank(),
-            asset.getCreatedAt()
+            asset.getCreatedAt(),
+            asset.getUpdatedAt()
         );
     }
 }

src/main/java/dev/kruhlmann/imgfloat/model/Channel.java

@@ -12,6 +12,7 @@ import jakarta.persistence.PreUpdate;
 import jakarta.persistence.Table;
 import java.util.Collections;
 import java.util.HashSet;
+import java.time.Instant;
 import java.util.Locale;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -32,6 +33,12 @@ public class Channel {
 
     private double canvasHeight = 1080;
 
+    @Column(name = "created_at", nullable = false, updatable = false)
+    private Instant createdAt;
+
+    @Column(name = "updated_at", nullable = false)
+    private Instant updatedAt;
+
     public Channel() {}
 
     public Channel(String broadcaster) {
@@ -75,6 +82,11 @@ public class Channel {
     @PrePersist
     @PreUpdate
     public void normalizeFields() {
+        Instant now = Instant.now();
+        if (createdAt == null) {
+            createdAt = now;
+        }
+        updatedAt = now;
         this.broadcaster = normalize(broadcaster);
         this.admins = admins.stream().map(Channel::normalize).collect(Collectors.toSet());
         if (canvasWidth <= 0) {
@@ -85,6 +97,14 @@ public class Channel {
         }
     }
 
+    public Instant getCreatedAt() {
+        return createdAt;
+    }
+
+    public Instant getUpdatedAt() {
+        return updatedAt;
+    }
+
     private static String normalize(String value) {
         return value == null ? null : value.toLowerCase(Locale.ROOT);
     }

src/main/java/dev/kruhlmann/imgfloat/model/Settings.java

@@ -3,7 +3,10 @@ package dev.kruhlmann.imgfloat.model;
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.Id;
+import jakarta.persistence.PrePersist;
+import jakarta.persistence.PreUpdate;
 import jakarta.persistence.Table;
+import java.time.Instant;
 
 @Entity
 @Table(name = "settings")
@@ -37,6 +40,12 @@ public class Settings {
     @Column(nullable = false)
     private int canvasFramesPerSecond;
 
+    @Column(name = "created_at", nullable = false, updatable = false)
+    private Instant createdAt;
+
+    @Column(name = "updated_at", nullable = false)
+    private Instant updatedAt;
+
     protected Settings() {}
 
     public static Settings defaults() {
@@ -123,4 +132,26 @@ public class Settings {
     public void setCanvasFramesPerSecond(int canvasFramesPerSecond) {
         this.canvasFramesPerSecond = canvasFramesPerSecond;
     }
+
+    @PrePersist
+    public void initializeTimestamps() {
+        Instant now = Instant.now();
+        if (createdAt == null) {
+            createdAt = now;
+        }
+        updatedAt = now;
+    }
+
+    @PreUpdate
+    public void updateTimestamp() {
+        updatedAt = Instant.now();
+    }
+
+    public Instant getCreatedAt() {
+        return createdAt;
+    }
+
+    public Instant getUpdatedAt() {
+        return updatedAt;
+    }
 }

src/main/java/dev/kruhlmann/imgfloat/model/SystemAdministrator.java

@@ -7,6 +7,7 @@ import jakarta.persistence.PrePersist;
 import jakarta.persistence.PreUpdate;
 import jakarta.persistence.Table;
 import jakarta.persistence.UniqueConstraint;
+import java.time.Instant;
 import java.util.Locale;
 import java.util.UUID;
 
@@ -20,6 +21,12 @@ public class SystemAdministrator {
     @Column(name = "twitch_username", nullable = false)
     private String twitchUsername;
 
+    @Column(name = "created_at", nullable = false, updatable = false)
+    private Instant createdAt;
+
+    @Column(name = "updated_at", nullable = false)
+    private Instant updatedAt;
+
     public SystemAdministrator() {}
 
     public SystemAdministrator(String twitchUsername) {
@@ -29,9 +36,14 @@ public class SystemAdministrator {
     @PrePersist
     @PreUpdate
     public void prepare() {
+        Instant now = Instant.now();
         if (this.id == null) {
             this.id = UUID.randomUUID().toString();
         }
+        if (this.createdAt == null) {
+            this.createdAt = now;
+        }
+        this.updatedAt = now;
         twitchUsername = twitchUsername.toLowerCase(Locale.ROOT);
     }
 
@@ -46,4 +58,12 @@ public class SystemAdministrator {
     public void setTwitchUsername(String twitchUsername) {
         this.twitchUsername = twitchUsername;
     }
+
+    public Instant getCreatedAt() {
+        return createdAt;
+    }
+
+    public Instant getUpdatedAt() {
+        return updatedAt;
+    }
 }

src/main/java/dev/kruhlmann/imgfloat/service/ChannelDirectoryService.java

@@ -85,7 +85,7 @@ public class ChannelDirectoryService {
         Channel channel = getOrCreateChannel(broadcaster);
         boolean added = channel.addAdmin(username);
         if (added) {
-            channelRepository.save(channel);
+            channelRepository.saveAndFlush(channel);
             messagingTemplate.convertAndSend(topicFor(broadcaster), "Admin added: " + username);
         }
         return added;
@@ -95,7 +95,7 @@ public class ChannelDirectoryService {
         Channel channel = getOrCreateChannel(broadcaster);
         boolean removed = channel.removeAdmin(username);
         if (removed) {
-            channelRepository.save(channel);
+            channelRepository.saveAndFlush(channel);
             messagingTemplate.convertAndSend(topicFor(broadcaster), "Admin removed: " + username);
         }
         return removed;