88 lines
2.8 KiB
Swift
88 lines
2.8 KiB
Swift
import Dependencies
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import DependenciesMacros
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import Fluent
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import Vapor
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extension DependencyValues {
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// An intermediate between our api and view controllers that interacts with the
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// database.
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var purchaseOrders: PurchaseOrdersDB {
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get { self[PurchaseOrdersDB.self] }
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set { self[PurchaseOrdersDB.self] = newValue }
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}
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}
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@DependencyClient
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struct PurchaseOrdersDB: Sendable {
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var create: @Sendable (PurchaseOrder.Create, User.IDValue) async throws -> PurchaseOrder.DTO
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var fetchAll: @Sendable () async throws -> [PurchaseOrder.DTO]
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var fetchPage: @Sendable (PageRequest) async throws -> Page<PurchaseOrder.DTO>
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var get: @Sendable (PurchaseOrder.IDValue) async throws -> PurchaseOrder.DTO?
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// var update: @Sendable (PurchaseOrder.IDValue, PurchaseOrder.Update) async throws -> PurchaseOrder.DTO
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var delete: @Sendable (PurchaseOrder.IDValue) async throws -> Void
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}
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extension PurchaseOrdersDB: TestDependencyKey {
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static let testValue: PurchaseOrdersDB = Self()
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static func live(database db: any Database) -> Self {
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.init(
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create: { model, createdById in
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guard let employee = try await Employee.find(model.createdForID, on: db) else {
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throw Abort(.notFound, reason: "Employee not found.")
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}
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guard employee.active else {
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throw Abort(.badRequest, reason: "Employee is not active, unable to generate a PO for in-active employees")
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}
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let purchaseOrder = model.toModel(createdByID: createdById)
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try await purchaseOrder.save(on: db)
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guard let loaded = try await PurchaseOrder.get(purchaseOrder.requireID(), on: db) else {
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return purchaseOrder.toDTO()
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}
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return loaded
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},
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fetchAll: {
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try await PurchaseOrder.allQuery(on: db)
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.sort(\.$id, .descending)
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.all().map { $0.toDTO() }
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},
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fetchPage: { request in
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try await PurchaseOrder.allQuery(on: db)
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.sort(\.$id, .descending)
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.paginate(request)
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.map { $0.toDTO() }
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},
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get: { id in
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try await PurchaseOrder.get(id, on: db)
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},
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delete: { id in
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guard let purchaseOrder = try await PurchaseOrder.find(id, on: db) else {
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throw Abort(.notFound)
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}
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try await purchaseOrder.delete(on: db)
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}
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)
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}
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}
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private extension PurchaseOrder {
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static func allQuery(on db: any Database) -> QueryBuilder<PurchaseOrder> {
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PurchaseOrder.query(on: db)
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.with(\.$createdBy)
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.with(\.$createdFor)
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.with(\.$vendorBranch) { branch in
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branch.with(\.$vendor)
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}
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}
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static func get(_ id: PurchaseOrder.IDValue, on db: any Database) async throws -> PurchaseOrder.DTO? {
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try await PurchaseOrder.allQuery(on: db)
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.filter(\.$id == id)
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.first()?.toDTO()
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}
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}
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