Transform to multi-account support

2025-08-01 19:31:53 +02:00
parent 351f08e43e
commit 68239727fa
24 changed files with 635 additions and 503 deletions
@@ -0,0 +1,63 @@
+//
+//  AsyncImageWithPlaceholder.swift
+//  meterios
+//
+//  (c) 2025 Martin "maride" Dessauer
+//
+
+import Foundation
+import SwiftUI
+import OSLog
+
+/// **AsyncImageWithPlaceholder** wraps AsyncImage, showing a Spinner while loading and a question mark in case of errors.
+struct AsyncImageWithPlaceholder : View {
+    private var url: URL?
+    private var width: CGFloat
+    private var height: CGFloat
+
+    // Access the current color scheme (that is, e.g.: dark mode, light mode) environment value
+    @Environment(\.colorScheme) var colorScheme
+
+    // baseShape and baseShapeView resemble the "background" (while loading, and in case of errors, and for the image itself)
+    private var baseShape : some Shape = RoundedRectangle(cornerRadius: 8.0)
+    var baseShapeView : some View {
+        baseShape
+            .foregroundStyle(colorScheme == .dark ? .black : .white)
+            .frame(width: width, height: height)
+    }
+
+    // Creates a new instance of AsyncImageWithPlaceholder, loading the image pointed to by url, with exact measures of width by height
+    init(url: URL? = nil, width: CGFloat, height: CGFloat) {
+        self.url = url
+        self.width = width
+        self.height = height
+    }
+
+    var body: some View {
+        AsyncImage(url: self.url) { phase in
+            if let image = phase.image {
+                // Image loaded
+                image
+                    .resizable()
+                    .aspectRatio(contentMode: .fit)
+                    .frame(width: self.width, height: self.height)
+                    .clipShape(baseShape)
+            } else if phase.error != nil {
+                // Error, log and display a dummy image (question mark)
+                let _ = Logger().error("Error loading image: \(phase.error)")
+                ZStack {
+                    baseShapeView
+                    Text("?")
+                        .fontWeight(.bold)
+                        .foregroundStyle(.gray)
+                }
+            } else {
+                // Loading Placeholder
+                ZStack {
+                    baseShapeView
+                    ProgressView()
+                }
+            }
+        }.fixedSize()
+    }
+}