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

88 lines
2.6 KiB
Swift

import Dependencies
import DependenciesMacros
import Fluent
import Vapor
public extension DependencyValues {
var vendorBranches: VendorBranchDB {
get { self[VendorBranchDB.self] }
set { self[VendorBranchDB.self] = newValue }
}
}
@DependencyClient
public struct VendorBranchDB: Sendable {
var create: @Sendable (VendorBranch.Create, Vendor.IDValue) async throws -> VendorBranch.DTO
var delete: @Sendable (VendorBranch.IDValue) async throws -> Void
var fetchAll: @Sendable (FetchRequest) async throws -> [VendorBranch.DTO]
var get: @Sendable (VendorBranch.IDValue) async throws -> VendorBranch.DTO?
var update: @Sendable (VendorBranch.IDValue, VendorBranch.Update) async throws -> VendorBranch.DTO
enum FetchRequest: Equatable {
case `default`
case `for`(vendorID: Vendor.IDValue)
case withVendor
}
func fetchAll() async throws -> [VendorBranch.DTO] {
try await fetchAll(.default)
}
}
extension VendorBranchDB: TestDependencyKey {
public static let testValue: VendorBranchDB = Self()
static func live(database db: any Database) -> Self {
.init(
create: { model, vendorID in
let branch = model.toModel()
guard let vendor = try await Vendor.find(vendorID, on: db) else {
throw Abort(.badRequest, reason: "Vendor does not exist.")
}
try await vendor.$branches.create(branch, on: db)
return branch.toDTO()
},
delete: { id in
guard let branch = try await VendorBranch.find(id, on: db) else {
throw Abort(.notFound)
}
try await branch.delete(on: db)
},
fetchAll: { request in
var query = VendorBranch.query(on: db)
switch request {
case .withVendor:
query = query.with(\.$vendor)
case let .for(vendorID: vendorID):
let branches = try await Vendor.query(on: db)
.filter(\.$id == vendorID)
.with(\.$branches)
.first()?
.branches
.map { $0.toDTO() }
guard let branches else { throw Abort(.badGateway, reason: "Vendor id not found.") }
return branches
case .default:
break
}
return try await query.all().map { $0.toDTO() }
},
get: { id in
try await VendorBranch.find(id, on: db).map { $0.toDTO() }
},
update: { id, updates in
guard let branch = try await VendorBranch.find(id, on: db) else {
throw Abort(.notFound)
}
branch.applyUpdates(updates)
try await branch.save(on: db)
return branch.toDTO()
}
)
}
}