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purple: add support for LN checkout flow
This commit adds support for the LN checkout flow, and the Purple landing page: 1. It adds a "learn more" button on the Damus Purple view, where the user can learn more 2. It adds new `damus:purple` urls to enable the LN checkout flow Signed-off-by: Daniel D’Aquino <[email protected]> Reviewed-by: William Casarin <[email protected]> Signed-off-by: William Casarin <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| // | ||
| // DamusPurpleURL.swift | ||
| // damus | ||
| // | ||
| // Created by Daniel Nogueira on 2024-01-13. | ||
| // | ||
|
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||
| import Foundation | ||
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| enum DamusPurpleURL { | ||
| case verify_npub(checkout_id: String) | ||
| case welcome(checkout_id: String) | ||
| case landing | ||
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| static func from_url(url: URL) -> DamusPurpleURL? { | ||
| guard let components = URLComponents(url: url, resolvingAgainstBaseURL: false) else { return nil } | ||
| guard components.scheme == "damus" else { return nil } | ||
| switch components.path { | ||
| case "purple:verify": | ||
| guard let checkout_id: String = components.queryItems?.first(where: { $0.name == "id" })?.value else { return nil } | ||
| return .verify_npub(checkout_id: checkout_id) | ||
| case "purple:welcome": | ||
| guard let checkout_id: String = components.queryItems?.first(where: { $0.name == "id" })?.value else { return nil } | ||
| return .welcome(checkout_id: checkout_id) | ||
| case "purple:landing": | ||
| return .landing | ||
| default: | ||
| return nil | ||
| } | ||
| } | ||
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| func url_string() -> String { | ||
| switch self { | ||
| case .verify_npub(let id): | ||
| return "damus:purple:verify?id=\(id)" | ||
| case .welcome(let id): | ||
| return "damus:purple:welcome?id=\(id)" | ||
| case .landing: | ||
| return "damus:purple:landing" | ||
| } | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| // | ||
| // DamusPurpleURLSheetView.swift | ||
| // damus | ||
| // | ||
| // Created by Daniel D’Aquino on 2024-01-13. | ||
| // | ||
|
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| import Foundation | ||
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| import SwiftUI | ||
|
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| struct DamusPurpleURLSheetView: View { | ||
| @Environment(\.dismiss) var dismiss | ||
| let damus_state: DamusState | ||
| let purple_url: DamusPurpleURL | ||
|
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| var body: some View { | ||
| switch self.purple_url { | ||
| case .verify_npub(let checkout_id): | ||
| DamusPurpleVerifyNpubView(damus_state: damus_state, checkout_id: checkout_id) | ||
| case .welcome(_): | ||
| DamusPurpleWelcomeView() | ||
| case .landing: | ||
| DamusPurpleView(damus_state: damus_state) | ||
| } | ||
| } | ||
| } | ||
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| struct DamusPurpleURLSheetView_Previews: PreviewProvider { | ||
| static var previews: some View { | ||
| DamusPurpleURLSheetView(damus_state: test_damus_state, purple_url: .verify_npub(checkout_id: "123")) | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| // | ||
| // DamusPurpleVerifyNpubView.swift | ||
| // damus | ||
| // | ||
| // Created by Daniel D’Aquino on 2024-01-13. | ||
| // | ||
|
|
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| import SwiftUI | ||
|
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| struct DamusPurpleVerifyNpubView: View { | ||
| let damus_state: DamusState | ||
| let checkout_id: String | ||
| @State var verified: Bool = false | ||
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| var body: some View { | ||
| ZStack { | ||
| Rectangle() | ||
| .background(Color.black) | ||
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| VStack { | ||
| DamusPurpleLogoView() | ||
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| VStack(alignment: .center, spacing: 30) { | ||
| Subtitle(NSLocalizedString("To continue your Purple subscription checkout, please verify your npub by clicking on the button below", comment: "Instruction on how to verify npub during Damus Purple checkout")) | ||
| .multilineTextAlignment(.center) | ||
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| if !verified { | ||
| Button(action: { | ||
| Task { | ||
| try await damus_state.purple.verify_npub_for_checkout(checkout_id: checkout_id) | ||
| verified = true | ||
| } | ||
| }, label: { | ||
| HStack { | ||
| Spacer() | ||
| Text(NSLocalizedString("Verify my npub", comment: "Button label to verify the user's npub for the purpose of Purple subscription checkout")) | ||
| Spacer() | ||
| } | ||
| }) | ||
| .padding(.horizontal, 30) | ||
| .buttonStyle(GradientButtonStyle()) | ||
| } | ||
| else { | ||
| Text(NSLocalizedString("Verified! Please head back to the checkout page to continue", comment: "Instructions after the user has verified their npub for Damus Purple purchase checkout")) | ||
| .multilineTextAlignment(.center) | ||
| .foregroundColor(.green) | ||
| } | ||
|
|
||
| } | ||
| .padding([.trailing, .leading], 30) | ||
| .padding(.bottom, 20) | ||
| } | ||
| } | ||
| } | ||
|
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| func Subtitle(_ txt: String) -> some View { | ||
| Text(txt) | ||
| .foregroundColor(.white.opacity(0.65)) | ||
| } | ||
| } | ||
|
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| #Preview { | ||
| DamusPurpleVerifyNpubView(damus_state: test_damus_state, checkout_id: "123") | ||
| } |
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