66 lines
2.0 KiB
Swift
66 lines
2.0 KiB
Swift
import Fluent
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import Vapor
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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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struct PurchaseOrderDB {
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func create(
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_ model: PurchaseOrder.Create,
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createdById: User.IDValue,
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on db: any Database
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) async throws -> PurchaseOrder.DTO {
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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 get(id: 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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func fetchAll(on db: any Database) async throws -> [PurchaseOrder.DTO] {
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try await PurchaseOrder.allQuery(on: db)
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.sort(\.$id, .descending)
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.all().map { $0.toDTO() }
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}
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func fetchPage(_ page: Int, limit: Int, on db: any Database) async throws -> Page<PurchaseOrder.DTO> {
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try await PurchaseOrder.allQuery(on: db)
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.sort(\.$id, .descending)
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.paginate(PageRequest(page: page, per: limit))
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.map { $0.toDTO() }
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}
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func get(id: PurchaseOrder.IDValue, on db: any Database) async throws -> PurchaseOrder.DTO? {
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try await PurchaseOrder.allQuery(on: db)
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.filter(\.$id == id)
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.first()?.toDTO()
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}
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func delete(id: PurchaseOrder.IDValue, on db: any Database) async throws {
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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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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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}
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