83 lines
1.9 KiB
Swift
83 lines
1.9 KiB
Swift
import FluentKit
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import Foundation
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/// A FluentKit model of a single `offers` row.
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final class OfferRecord: Model, @unchecked Sendable {
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// MARK: Properties
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static let schema = "offers"
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@ID(key: .id)
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var id: UUID?
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@Parent(key: "conversation_id")
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var conversation: ConversationRecord
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@Parent(key: "listing_id")
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var listing: ListingRecord
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@Parent(key: "buyer_id")
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var buyer: UserRecord
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@Field(key: "amount_cents")
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var amountCents: Int
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@Field(key: "status")
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var status: String
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@Field(key: "created_at")
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var createdAt: Date
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@Field(key: "expires_at")
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var expiresAt: Date
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// MARK: Initializers
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init() {}
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init(
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conversationID: UUID,
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listingID: UUID,
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buyerID: UUID,
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amountCents: Int,
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at date: Date
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) {
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self.$conversation.id = conversationID
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self.$listing.id = listingID
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self.$buyer.id = buyerID
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self.amountCents = amountCents
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self.status = Offer.Status.open.rawValue
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self.createdAt = date
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self.expiresAt = date.addingTimeInterval(Offer.lifetime)
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}
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}
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// MARK: - Extensions
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extension OfferRecord {
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// MARK: Methods
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/// The `Sendable` snapshot of the saved record; its buyer, and its listing with its shop, must be eager-loaded.
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/// - Parameter now: the moment an open offer's expiry is judged at.
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func snapshot(
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at now: Date
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) throws -> Offer {
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let stored = Offer.Status(rawValue: status) ?? .declined
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return .init(
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id: try requireID(),
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conversationID: $conversation.id,
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listing: listing.snapshot,
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buyer: try buyer.snapshot,
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amountCents: amountCents,
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status: stored == .open && expiresAt <= now ? .expired : stored,
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createdAt: createdAt,
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expiresAt: expiresAt
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)
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}
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}
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