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Nextcloud Cookbook iOS Client/Util/Alerts.swift

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+//
+//  AlertHandler.swift
+//  Nextcloud Cookbook iOS Client
+//
+//  Created by Vincent Meilinger on 18.10.23.
+//
+
+import Foundation
+import SwiftUI
+
+
+protocol UserAlert: Error { 
+    var localizedTitle: LocalizedStringKey { get }
+    var localizedDescription: LocalizedStringKey { get }
+    var alertButtons: [AlertButton] { get }
+}
+
+enum AlertButton: LocalizedStringKey, Identifiable {
+    var id: Self {
+        return self
+    }
+    
+    case OK = "Ok", DELETE = "Delete", CANCEL = "Cancel"
+}
+
+
+
+enum RecipeAlert: UserAlert {
+    
+    case NO_TITLE,
+         DUPLICATE,
+         UPLOAD_ERROR,
+         CONFIRM_DELETE,
+         LOGIN_FAILED,
+         GENERIC,
+         CUSTOM(title: LocalizedStringKey, description: LocalizedStringKey)
+    
+    var localizedDescription: LocalizedStringKey {
+        switch self {
+        case .NO_TITLE:
+            return "Please enter a recipe name."
+        case .DUPLICATE:
+            return "A recipe with that name already exists."
+        case .UPLOAD_ERROR:
+            return "Unable to upload your recipe. Please check your internet connection."
+        case .CONFIRM_DELETE:
+            return "This action is not reversible!"
+        case .LOGIN_FAILED:
+            return "Please check your credentials and internet connection."
+        case .CUSTOM(title: _, description: let description):
+            return description
+        default:
+            return "An unknown error occured."
+        }
+    }
+    
+    var localizedTitle: LocalizedStringKey {
+        switch self {
+        case .NO_TITLE:
+            return "Missing recipe name."
+        case .DUPLICATE:
+            return "Duplicate recipe."
+        case .UPLOAD_ERROR:
+            return "Network error."
+        case .CONFIRM_DELETE:
+            return "Delete recipe?"
+        case .LOGIN_FAILED:
+            return "Login failed."
+        case .CUSTOM(title: let title, description: _):
+            return title
+        default:
+            return "Error."
+        }
+    }
+    
+    var alertButtons: [AlertButton] {
+        switch self {
+        case .CONFIRM_DELETE:
+            return [.CANCEL, .DELETE]
+        default:
+            return [.OK]
+        }
+    }
+}
+
+
+enum RecipeImportAlert: UserAlert {
+    case BAD_URL,
+         CHECK_CONNECTION,
+         WEBSITE_NOT_SUPPORTED
+    
+    var localizedDescription: LocalizedStringKey {
+        switch self {
+        case .BAD_URL: return "Please check the entered URL."
+        case .CHECK_CONNECTION: return "Unable to load website content. Please check your internet connection."
+        case .WEBSITE_NOT_SUPPORTED: return "This website might not be currently supported. If this appears incorrect, you can use the support options in the app settings to raise awareness about this issue."
+        }
+    }
+    
+    var localizedTitle: LocalizedStringKey {
+        switch self {
+        case .BAD_URL: return "Bad URL"
+        case .CHECK_CONNECTION: return "Connection error"
+        case .WEBSITE_NOT_SUPPORTED: return "Parsing error"
+        }
+    }
+    
+    var alertButtons: [AlertButton] {
+        return [.OK]
+    }
+}
+
+
+enum RequestAlert: UserAlert {
+    case REQUEST_DELAYED,
+         REQUEST_DROPPED
+    
+    var localizedDescription: LocalizedStringKey {
+        switch self {
+        case .REQUEST_DELAYED: return "Could not establish a connection to the server. The action will be retried upon reconnection."
+        case .REQUEST_DROPPED: return "Unable to complete action."
+        }
+    }
+    
+    var localizedTitle: LocalizedStringKey {
+        switch self {
+        case .REQUEST_DELAYED: return "Action delayed"
+        case .REQUEST_DROPPED: return "Error"
+        }
+    }
+    
+    var alertButtons: [AlertButton] {
+        return [.OK]
+    }
+}