Add build management features and views

src/main/java/be/seeseepuff/pcinv/controllers/WebController.java

@@ -43,6 +43,11 @@ public class WebController {
     private static final String INPUT_LIST = "inputLists";
     /// The name of the model attribute that holds the current work log entries.
     private static final String WORKLOG = "worklog";
+    /// The name of the model attribute that holds the current build being viewed or edited.
+    private static final String BUILD = "build";
+    /// The name of the model attribute that holds the build information.
+    private static final String BUILD_INFO = "buildInfo";
+    /// The name of the model attribute that holds the builds available for selection.
     private static final String BUILDS = "builds";
 
     /// The name of the input field for the current size of the work log.
@@ -93,6 +98,54 @@ public class WebController {
         return "browse_type";
     }
 
+    /**
+     * Handles the browsing of all builds.
+     * Displays a list of all builds available in the system.
+     */
+    @GetMapping("/builds")
+    public String browseBuilds(Model model) {
+        model.addAttribute(TIME, System.currentTimeMillis());
+        model.addAttribute(BUILDS, buildService.getAllBuilds());
+        return "builds";
+    }
+
+    /**
+     * Handles the viewing of a specific build by its ID.
+     * If the build does not exist, it redirects to the builds page.
+     */
+    @GetMapping("/build/{id}")
+    public String viewBuild(Model model, @PathVariable long id) {
+        model.addAttribute(TIME, System.currentTimeMillis());
+        var build = buildService.getBuildById(id);
+        if (build == null) {
+            return "redirect:/builds";
+        }
+        model.addAttribute(BUILD, build);
+        model.addAttribute(BUILD_INFO, buildService.getBuildInfo(build));
+        model.addAttribute(DESCRIPTORS, assetService.getAssetDescriptors());
+        return "build_view";
+    }
+
+    /**
+     * Handles the creation of a new build.
+     */
+    @PostMapping("/create_build")
+    public String createBuild(Model model, @RequestBody MultiValueMap<String, String> formData) {
+        model.addAttribute(TIME, System.currentTimeMillis());
+        var build = buildService.createBuild(formData.getFirst("name"), formData.getFirst("description"));
+        return "redirect:/build/" + build.getId();
+    }
+
+    /**
+     * Deletes a build by its ID.
+     */
+    @GetMapping("/delete_build/{id}")
+    public String deleteBuild(Model model, @PathVariable long id) {
+        model.addAttribute(TIME, System.currentTimeMillis());
+        buildService.deleteBuild(id);
+        return "redirect:/builds";
+    }
+
     /**
      * Handles the view of an asset by its QR code.
      * If the asset does not exist, it redirects to the index page.
@@ -227,6 +280,7 @@ public class WebController {
         model.addAttribute(DESCRIPTORS, assetService.getAssetDescriptorTree(assetType));
         model.addAttribute(DESCRIPTOR, assetService.getAssetDescriptor(assetType));
         model.addAttribute(INPUT_LIST, assetService.getInputList(assetType));
+        model.addAttribute(BUILDS, buildService.getAllBuilds());
         return "create_asset";
     }
 

src/main/java/be/seeseepuff/pcinv/meta/AssetDescriptor.java

@@ -99,6 +99,19 @@ public class AssetDescriptor {
         return String.format("%s-%s", type, property.getName());
     }
 
+    /**
+     * Gets the property with the specified name.
+     *
+     * @param name The name of the property to retrieve.
+     * @return The AssetProperty with the given name.
+     */
+    public AssetProperty getProperty(String name) {
+        return properties.stream()
+                .filter(property -> property.getName().equals(name))
+                .findFirst()
+                .orElseThrow(() -> new IllegalArgumentException("No property found with name: " + name));
+    }
+
     /**
      * Creates a new instance of the asset type described by this descriptor.
      *

src/main/java/be/seeseepuff/pcinv/meta/AssetDescriptors.java

@@ -24,6 +24,37 @@ public class AssetDescriptors {
         assets.add(property);
     }
 
+    /**
+     * Gets the descriptor for a specific asset type.
+     *
+     * @param type The type of the asset to retrieve the descriptor for.
+     */
+    public AssetDescriptor getDescriptorForType(String type) {
+        return assets.stream()
+                .filter(assetDescriptor -> assetDescriptor.getType().equals(type))
+                .findFirst()
+                .orElseThrow(() -> new IllegalArgumentException("No asset descriptor found for type: " + type));
+    }
+
+    /**
+     * Gets the property for a specific asset type and property name.
+     *
+     * @param type The type of the asset to retrieve the property for.
+     * @param propertyName The name of the property to retrieve.
+     */
+    public AssetProperty getPropertyForType(String type, String propertyName) {
+        return getDescriptorForType(type).getProperty(propertyName);
+    }
+
+    /**
+     * Gets the generic property for a specific property name.
+     *
+     * @param propertyName The name of the property to retrieve.
+     */
+    public AssetProperty getGenericProperty(String propertyName) {
+        return getPropertyForType("asset", propertyName);
+    }
+
     @Override
     public String toString() {
         var builder = new StringBuilder();

src/main/java/be/seeseepuff/pcinv/meta/AssetProperty.java

@@ -183,6 +183,9 @@ public class AssetProperty {
             return value.toString();
         } else if (type == PropertyType.CAPACITY) {
             return convertCapacity((Long) value).toString();
+        } else if (type == PropertyType.BUILD) {
+            var build = (Build) value;
+            return build.getName();
         } else if (type.isEnum) {
             if (value instanceof AssetEnum assetEnum) {
                 return assetEnum.getDisplayName();

src/main/java/be/seeseepuff/pcinv/models/Build.java

@@ -21,10 +21,30 @@ public class Build
 	@GeneratedValue
 	private long id;
 
+	/**
+	 * Indicates whether this build is a meta build.
+	 * A meta build is a build that does not represent a physical computer,
+	 * but rather a collection of parts that can be used in other builds.
+	 *
+	 * It is used internally to represents parts that are explicitly not part of a build.
+	 */
+	private boolean meta;
+
+	/**
+	 * The name of the build.
+	 */
 	private String name;
 
+	/**
+	 * A description of the build.
+	 * This can be used to provide additional information about the build.
+	 */
 	private String description;
 
-	@OneToMany(cascade = CascadeType.ALL)
+	/**
+	 * A list of parts that are included in the build.
+	 */
+	@OneToMany(mappedBy = "build")
+	@OrderBy("type, brand, model, qr")
 	private List<GenericAsset> parts;
 }

src/main/java/be/seeseepuff/pcinv/models/BuildInfo.java

@@ -0,0 +1,20 @@
+package be.seeseepuff.pcinv.models;
+
+import be.seeseepuff.pcinv.meta.CapacityInfo;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class BuildInfo {
+    private long totalRam;
+
+    /**
+     * Calculates the total RAM capacity of the build.
+     *
+     * @return A CapacityInfo object representing the total RAM capacity.
+     */
+    public CapacityInfo getTotalRamCapacity() {
+        return CapacityInfo.of(totalRam);
+    }
+}

src/main/java/be/seeseepuff/pcinv/repositories/BuildRepository.java

@@ -4,7 +4,14 @@ import be.seeseepuff.pcinv.models.Build;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 @Repository
 public interface BuildRepository extends JpaRepository<Build, Long>
 {
+    Build getBuildByNameAndMeta(String name, boolean meta);
+
+    Build getBuildById(long id);
+
+    List<Build> findAllByMeta(boolean meta);
 }

src/main/java/be/seeseepuff/pcinv/services/AssetService.java

@@ -2,11 +2,9 @@ package be.seeseepuff.pcinv.services;
 
 import be.seeseepuff.pcinv.meta.*;
 import be.seeseepuff.pcinv.models.Asset;
-import be.seeseepuff.pcinv.models.Build;
 import be.seeseepuff.pcinv.models.GenericAsset;
 import be.seeseepuff.pcinv.models.WorkLogEntry;
 import be.seeseepuff.pcinv.repositories.AssetRepository;
-import be.seeseepuff.pcinv.repositories.BuildRepository;
 import be.seeseepuff.pcinv.repositories.GenericAssetRepository;
 import be.seeseepuff.pcinv.repositories.WorkLogRepository;
 import jakarta.persistence.EntityManager;
@@ -30,6 +28,7 @@ public class AssetService {
     private final WorkLogRepository workLogRepository;
     private final Collection<AssetRepository<?>> repositories;
     private final EntityManager entityManager;
+    private final BuildService buildService;
 
     /**
      * Returns the count of all assets in the repository.
@@ -253,6 +252,12 @@ public class AssetService {
                 case "false" -> false;
                 default -> null;
             };
+        } else if (property.getType() == PropertyType.BUILD) {
+            var build = buildService.getBuildById(Integer.parseInt(stringValue));
+            if (build == null) {
+                throw new IllegalArgumentException("Invalid build ID for property '" + property.getName() + "': " + stringValue);
+            }
+            return build;
         } else if (property.getType().isEnum) {
             for (var option : property.getOptions()) {
                 if (option.getValue().equals(stringValue)) {

src/main/java/be/seeseepuff/pcinv/services/BuildService.java

@@ -1,11 +1,14 @@
 package be.seeseepuff.pcinv.services;
 
 import be.seeseepuff.pcinv.models.Build;
+import be.seeseepuff.pcinv.models.BuildInfo;
 import be.seeseepuff.pcinv.repositories.BuildRepository;
+import be.seeseepuff.pcinv.repositories.RamRepository;
+import jakarta.annotation.PostConstruct;
+import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -13,14 +16,22 @@ import java.util.List;
  */
 @Service
 @RequiredArgsConstructor
-public class BuildService
-{
+public class BuildService {
 	private final BuildRepository buildRepository;
-	public static final Build EMPTY = Build.builder()
-		.id(0)
-		.name("(None)")
-		.description("A meta build used to indicate that the part is not being used by anything")
+	private final RamRepository ramRepository;
+
+    @PostConstruct
+	private void init() {
+        Build empty = buildRepository.getBuildByNameAndMeta("None", true);
+		if (empty == null) {
+			empty = Build.builder()
+				.name("None")
+				.meta(true)
 				.build();
+		}
+		empty.setDescription("A meta build to hold unused parts.");
+		empty = buildRepository.save(empty);
+	}
 
 	/**
 	 * Gets a list of all computer builds, including meta builds.
@@ -28,10 +39,7 @@ public class BuildService
 	 * @return A list of all builds.
 	 */
 	public List<Build> getAllBuilds() {
-		var build = new ArrayList<Build>();
-		build.add(EMPTY);
-		build.addAll(getAllRealBuilds());
-		return build;
+		return buildRepository.findAll();
 	}
 
 	/**
@@ -40,6 +48,66 @@ public class BuildService
 	 * @return A list of all builds.
 	 */
 	public List<Build> getAllRealBuilds() {
-		return buildRepository.findAll();
+		return buildRepository.findAllByMeta(false);
+	}
+
+	/**
+	 * Gets a build by its ID.
+	 *
+	 * @param id The ID of the build to retrieve.
+	 * @return The build with the given ID, or null if not found.
+	 */
+	public Build getBuildById(long id) {
+		return buildRepository.getBuildById(id);
+	}
+
+	/**
+	 * Creates a new build with the given name and description.
+	 *
+	 * @param name The name of the build.
+	 * @param description The description of the build.
+	 * @return The created build.
+	 */
+	@Transactional
+	public Build createBuild(String name, String description) {
+		Build build = Build.builder()
+			.name(name)
+			.description(description)
+			.build();
+		return buildRepository.saveAndFlush(build);
+	}
+
+	/**
+	 * Deletes a build by its ID.
+	 *
+	 * @param id The ID of the build to delete.
+	 */
+	@Transactional
+	public void deleteBuild(long id) {
+		Build build = buildRepository.getBuildById(id);
+		for (var part : build.getParts()) {
+			part.setBuild(null);
+		}
+		buildRepository.deleteById(id);
+	}
+
+	/**
+	 * Gets the build information for a given build ID.
+	 *
+	 * @param build The build object for which to retrieve the information.
+	 * @return The BuildInfo object containing the build information.
+	 * @throws IllegalArgumentException if the build with the given ID does not exist.
+	 */
+	public BuildInfo getBuildInfo(Build build) {
+		var buildInfo = new BuildInfo();
+		for (var part : build.getParts()) {
+			if (part.getType().equals("ram")) {
+				var asset = ramRepository.findByAsset(part);
+				if (asset.getCapacity() != null) {
+					buildInfo.setTotalRam(buildInfo.getTotalRam() + asset.getCapacity());
+				}
+			}
+		}
+		return buildInfo;
 	}
 }

src/main/resources/templates/build_view.html

@@ -0,0 +1,24 @@
+<body th:replace="~{fragments :: base(title=${'Build ' + build.getName()}, content=~{::content})}">
+<div th:fragment="content">
+    <ul>
+        <li><b>Name: </b><span th:text="${build.name}"></span></li>
+        <li><b>Description: </b><span th:text="${build.description}"></span></li>
+        <li><b>Part Count: </b><span th:text="${build.getParts()?.size() ?: 0}"></span></li>
+        <li><b>Total RAM: </b><span th:text="${buildInfo.getTotalRamCapacity().getCapacityInUnit()} + ' ' + ${buildInfo.getTotalRamCapacity().getIdealUnit().displayName}"></span></li>
+    </ul>
+    <table border="1" cellpadding="4">
+        <tr bgcolor="#d3d3d3">
+            <th>QR</th>
+            <th>Type</th>
+            <th>Brand</th>
+            <th>Model</th>
+        </tr>
+        <tr th:each="p : ${build.getParts()}">
+            <td><a th:href="'/view/' + ${p.qr}" th:text="${p.qr}"></a></td>
+            <td th:text="${descriptors.getDescriptorForType(p.type).displayName}"></td>
+            <td th:text="${descriptors.getGenericProperty('brand').renderValue(p)}"></td>
+            <td th:text="${descriptors.getGenericProperty('model').renderValue(p)}"></td>
+        </tr>
+    </table>
+</div>
+</body>

src/main/resources/templates/builds.html

@@ -0,0 +1,28 @@
+<body th:replace="~{fragments :: base(title='Builds', content=~{::content})}">
+<div th:fragment="content">
+    <table border="1" cellpadding="4">
+        <tr bgcolor="#d3d3d3">
+            <th>Name</th>
+            <th>Description</th>
+            <th>Part Count</th>
+            <th>Actions</th>
+        </tr>
+        <tr th:each="b : ${builds}">
+            <td><a th:href="'/build/' + ${b.id}" th:text="${b.getName()}"></a></td>
+            <td th:text="${b.getDescription()}"></td>
+            <td th:text="${b.getParts()?.size() ?: 0}"></td>
+            <td>
+                <a th:if="${!b.isMeta()}" th:href="${'/delete_build/' + b.id}">Delete</a>
+            </td>
+        </tr>
+        <form action="/create_build" method="post">
+            <tr>
+                <td><label><input type="text" name="name" placeholder="Name"></label></td>
+                <td><label><input type="text" name="description" placeholder="Description"></label></td>
+                <td></td>
+                <td><input type="submit" value="Create"></td>
+            </tr>
+        </form>
+    </table>
+</div>
+</body>

src/main/resources/templates/view.html

@@ -7,7 +7,8 @@
     <table border="1" cellpadding="4">
       <tr th:each="p : ${d.properties}">
         <th bgcolor="lightgray"><b th:text="${p.displayName}"></b></th>
-        <td th:text="${p.renderValue(asset)}"></td>
+        <td th:if="${p.name == 'build'}"><a th:href="'/build/' + ${asset.getAsset().getBuild().id}" th:text="${p.renderValue(asset)}"></a></td>
+        <td th:if="${p.name != 'build'}" th:text="${p.renderValue(asset)}"></td>
       </tr>
     </table>
   </div>