feat: Rename items in database client for consistency.

Sources/DatabaseClient/Internal/ComponentPressureLoss.swift

@@ -0,0 +1,172 @@
+import Dependencies
+import DependenciesMacros
+import Fluent
+import Foundation
+import ManualDCore
+
+extension DatabaseClient.ComponentLosses: TestDependencyKey {
+  public static let testValue = Self()
+}
+
+extension DatabaseClient.ComponentLosses {
+  public static func live(database: any Database) -> Self {
+    .init(
+      create: { request in
+        let model = try request.toModel()
+        try await model.save(on: database)
+        return try model.toDTO()
+      },
+      delete: { id in
+        guard let model = try await ComponentLossModel.find(id, on: database) else {
+          throw NotFoundError()
+        }
+        try await model.delete(on: database)
+      },
+      fetch: { projectID in
+        try await ComponentLossModel.query(on: database)
+          .with(\.$project)
+          .filter(\.$project.$id, .equal, projectID)
+          .all()
+          .map { try $0.toDTO() }
+
+      },
+      get: { id in
+        try await ComponentLossModel.find(id, on: database).map { try $0.toDTO() }
+      },
+      update: { id, updates in
+        try updates.validate()
+        guard let model = try await ComponentLossModel.find(id, on: database) else {
+          throw NotFoundError()
+        }
+        model.applyUpdates(updates)
+        if model.hasChanges {
+          try await model.save(on: database)
+        }
+        return try model.toDTO()
+      }
+    )
+  }
+}
+
+extension ComponentPressureLoss.Create {
+
+  func toModel() throws(ValidationError) -> ComponentLossModel {
+    try validate()
+    return .init(name: name, value: value, projectID: projectID)
+  }
+
+  func validate() throws(ValidationError) {
+    guard !name.isEmpty else {
+      throw ValidationError("Component loss name should not be empty.")
+    }
+    guard value > 0 else {
+      throw ValidationError("Component loss value should be greater than 0.")
+    }
+    guard value < 1.0 else {
+      throw ValidationError("Component loss value should be less than 1.0.")
+    }
+  }
+}
+
+extension ComponentPressureLoss.Update {
+  func validate() throws(ValidationError) {
+    if let name {
+      guard !name.isEmpty else {
+        throw ValidationError("Component loss name should not be empty.")
+      }
+    }
+    if let value {
+      guard value > 0 else {
+        throw ValidationError("Component loss value should be greater than 0.")
+      }
+      guard value < 1.0 else {
+        throw ValidationError("Component loss value should be less than 1.0.")
+      }
+    }
+  }
+}
+
+extension ComponentPressureLoss {
+  struct Migrate: AsyncMigration {
+    let name = "CreateComponentLoss"
+
+    func prepare(on database: any Database) async throws {
+      try await database.schema(ComponentLossModel.schema)
+        .id()
+        .field("name", .string, .required)
+        .field("value", .double, .required)
+        .field("createdAt", .datetime)
+        .field("updatedAt", .datetime)
+        .field(
+          "projectID", .uuid, .required, .references(ProjectModel.schema, "id", onDelete: .cascade)
+        )
+        // .unique(on: "projectID", "name")
+        .create()
+    }
+
+    func revert(on database: any Database) async throws {
+      try await database.schema(ComponentLossModel.schema).delete()
+    }
+  }
+}
+
+final class ComponentLossModel: Model, @unchecked Sendable {
+
+  static let schema = "component_loss"
+
+  @ID(key: .id)
+  var id: UUID?
+
+  @Field(key: "name")
+  var name: String
+
+  @Field(key: "value")
+  var value: Double
+
+  @Timestamp(key: "createdAt", on: .create, format: .iso8601)
+  var createdAt: Date?
+
+  @Timestamp(key: "updatedAt", on: .update, format: .iso8601)
+  var updatedAt: Date?
+
+  @Parent(key: "projectID")
+  var project: ProjectModel
+
+  init() {}
+
+  init(
+    id: UUID? = nil,
+    name: String,
+    value: Double,
+    createdAt: Date? = nil,
+    updatedAt: Date? = nil,
+    projectID: Project.ID
+  ) {
+    self.id = id
+    self.name = name
+    self.value = value
+    self.createdAt = createdAt
+    self.updatedAt = updatedAt
+    $project.id = projectID
+  }
+
+  func toDTO() throws -> ComponentPressureLoss {
+    try .init(
+      id: requireID(),
+      projectID: $project.id,
+      name: name,
+      value: value,
+      createdAt: createdAt!,
+      updatedAt: updatedAt!
+    )
+  }
+
+  func applyUpdates(_ updates: ComponentPressureLoss.Update) {
+    if let name = updates.name, name != self.name {
+      self.name = name
+    }
+    if let value = updates.value, value != self.value {
+      self.value = value
+    }
+  }
+}