Files
vapor-po/Sources/App/DB/EmployeeDB.swift

89 lines
2.6 KiB
Swift

import Dependencies
import DependenciesMacros
import Fluent
import Vapor
extension DependencyValues {
// An intermediate layer between our api and view controllers that interacts with the
// database model.
var employees: EmployeeDB {
get { self[EmployeeDB.self] }
set { self[EmployeeDB.self] = newValue }
}
}
@DependencyClient
struct EmployeeDB: Sendable {
var create: @Sendable (Employee.Create) async throws -> Employee.DTO
var fetchAll: @Sendable (FetchRequest) async throws -> [Employee.DTO]
var get: @Sendable (Employee.IDValue) async throws -> Employee.DTO?
var update: @Sendable (Employee.IDValue, Employee.Update) async throws -> Employee.DTO
var delete: @Sendable (Employee.IDValue) async throws -> Void
var toggleActive: @Sendable (Employee.IDValue) async throws -> Employee.DTO
enum FetchRequest {
case active
case `default`
}
func fetchAll() async throws -> [Employee.DTO] {
try await fetchAll(.default)
}
func get(_ id: String?) async throws -> Employee.DTO? {
guard let idString = id, let id = UUID(uuidString: idString) else {
throw Abort(.badRequest, reason: "Employee id not valid.")
}
return try await get(id)
}
}
extension EmployeeDB: TestDependencyKey {
static let testValue: EmployeeDB = Self()
static func live(database: any Database) -> Self {
.init(
create: { model in
let model = model.toModel()
try await model.save(on: database)
return model.toDTO()
},
fetchAll: { request in
var query = Employee.query(on: database)
.sort(\.$lastName)
if request == .active {
query = query.filter(\.$active == true)
}
return try await query.all().map { $0.toDTO() }
},
get: { id in
try await Employee.find(id, on: database).map { $0.toDTO() }
},
update: { id, updates in
guard let employee = try await Employee.find(id, on: database) else {
throw Abort(.badRequest, reason: "Employee id not found.")
}
employee.applyUpdates(updates)
try await employee.save(on: database)
return employee.toDTO()
},
delete: { id in
guard let employee = try await Employee.find(id, on: database) else {
throw Abort(.badRequest, reason: "Employee id not found.")
}
try await employee.delete(on: database)
},
toggleActive: { id in
guard let employee = try await Employee.find(id, on: database) else {
throw Abort(.notFound)
}
employee.active.toggle()
try await employee.save(on: database)
return employee.toDTO()
}
)
}
}