feat: Rename items in database client for consistency.

Sources/DatabaseClient/Internal/EffectiveLength.swift

@@ -0,0 +1,190 @@
+import Dependencies
+import DependenciesMacros
+import Fluent
+import Foundation
+import ManualDCore
+
+extension DatabaseClient.EquivalentLengths: TestDependencyKey {
+  public static let testValue = Self()
+
+  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 EffectiveLengthModel.find(id, on: database) else {
+          throw NotFoundError()
+        }
+        try await model.delete(on: database)
+      },
+      fetch: { projectID in
+        try await EffectiveLengthModel.query(on: database)
+          .with(\.$project)
+          .filter(\.$project.$id, .equal, projectID)
+          .all()
+          .map { try $0.toDTO() }
+      },
+      fetchMax: { projectID in
+        let effectiveLengths = try await EffectiveLengthModel.query(on: database)
+          .with(\.$project)
+          .filter(\.$project.$id, .equal, projectID)
+          .all()
+          .map { try $0.toDTO() }
+
+        return .init(
+          supply: effectiveLengths.filter({ $0.type == .supply })
+            .sorted(by: { $0.totalEquivalentLength > $1.totalEquivalentLength })
+            .first,
+          return: effectiveLengths.filter({ $0.type == .return })
+            .sorted(by: { $0.totalEquivalentLength > $1.totalEquivalentLength })
+            .first
+        )
+
+      },
+      get: { id in
+        try await EffectiveLengthModel.find(id, on: database).map { try $0.toDTO() }
+      },
+      update: { id, updates in
+        guard let model = try await EffectiveLengthModel.find(id, on: database) else {
+          throw NotFoundError()
+        }
+        try model.applyUpdates(updates)
+        if model.hasChanges {
+          try await model.save(on: database)
+        }
+        return try model.toDTO()
+      }
+    )
+  }
+}
+
+extension EquivalentLength.Create {
+
+  func toModel() throws -> EffectiveLengthModel {
+    try validate()
+    return try .init(
+      name: name,
+      type: type.rawValue,
+      straightLengths: straightLengths,
+      groups: JSONEncoder().encode(groups),
+      projectID: projectID
+    )
+  }
+
+  func validate() throws(ValidationError) {
+    guard !name.isEmpty else {
+      throw ValidationError("Effective length name can not be empty.")
+    }
+  }
+}
+
+extension EquivalentLength {
+
+  struct Migrate: AsyncMigration {
+    let name = "CreateEffectiveLength"
+
+    func prepare(on database: any Database) async throws {
+      try await database.schema(EffectiveLengthModel.schema)
+        .id()
+        .field("name", .string, .required)
+        .field("type", .string, .required)
+        .field("straightLengths", .array(of: .int))
+        .field("groups", .data)
+        .field("createdAt", .datetime)
+        .field("updatedAt", .datetime)
+        .field(
+          "projectID", .uuid, .required, .references(ProjectModel.schema, "id", onDelete: .cascade)
+        )
+        .unique(on: "projectID", "name", "type")
+        .create()
+    }
+
+    func revert(on database: any Database) async throws {
+      try await database.schema(EffectiveLengthModel.schema).delete()
+    }
+  }
+}
+
+// TODO: Add total effective length field so that we can lookup / compare which one is
+//       the longest for a given project.
+final class EffectiveLengthModel: Model, @unchecked Sendable {
+
+  static let schema = "effective_length"
+
+  @ID(key: .id)
+  var id: UUID?
+
+  @Field(key: "name")
+  var name: String
+
+  @Field(key: "type")
+  var type: String
+
+  @Field(key: "straightLengths")
+  var straightLengths: [Int]
+
+  @Field(key: "groups")
+  var groups: Data
+
+  @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,
+    type: String,
+    straightLengths: [Int],
+    groups: Data,
+    createdAt: Date? = nil,
+    updatedAt: Date? = nil,
+    projectID: Project.ID
+  ) {
+    self.id = id
+    self.name = name
+    self.type = type
+    self.straightLengths = straightLengths
+    self.groups = groups
+    self.createdAt = createdAt
+    self.updatedAt = updatedAt
+    $project.id = projectID
+  }
+
+  func toDTO() throws -> EquivalentLength {
+    try .init(
+      id: requireID(),
+      projectID: $project.id,
+      name: name,
+      type: .init(rawValue: type)!,
+      straightLengths: straightLengths,
+      groups: JSONDecoder().decode([EquivalentLength.FittingGroup].self, from: groups),
+      createdAt: createdAt!,
+      updatedAt: updatedAt!
+    )
+  }
+
+  func applyUpdates(_ updates: EquivalentLength.Update) throws {
+    if let name = updates.name, name != self.name {
+      self.name = name
+    }
+    if let type = updates.type, type.rawValue != self.type {
+      self.type = type.rawValue
+    }
+    if let straightLengths = updates.straightLengths, straightLengths != self.straightLengths {
+      self.straightLengths = straightLengths
+    }
+    if let groups = updates.groups {
+      self.groups = try JSONEncoder().encode(groups)
+    }
+  }
+}