Fix elapsed time display; add time formatting helper

Trio.xcodeproj/project.pbxproj

@@ -626,6 +626,7 @@
 		DDD1631A2C4C695E00CD525A /* EditOverrideForm.swift in Sources */ = {isa = PBXBuildFile; fileRef = DDD163192C4C695E00CD525A /* EditOverrideForm.swift */; };
 		DDD1631C2C4C697400CD525A /* AddOverrideForm.swift in Sources */ = {isa = PBXBuildFile; fileRef = DDD1631B2C4C697400CD525A /* AddOverrideForm.swift */; };
 		DDD1631F2C4C6F6900CD525A /* TrioCoreDataPersistentContainer.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = DDD1631D2C4C6F6900CD525A /* TrioCoreDataPersistentContainer.xcdatamodeld */; };
+		DDD5889D2DDDC9A900C8848D /* TimeAgoFormatter.swift in Sources */ = {isa = PBXBuildFile; fileRef = DDD5889C2DDDC9A900C8848D /* TimeAgoFormatter.swift */; };
 		DDD6D4D32CDE90720029439A /* EstimatedA1cDisplayUnit.swift in Sources */ = {isa = PBXBuildFile; fileRef = DDD6D4D22CDE90720029439A /* EstimatedA1cDisplayUnit.swift */; };
 		DDD78A912DC4064800AC63F3 /* carbhistory.json in Resources */ = {isa = PBXBuildFile; fileRef = DDD78A902DC4064800AC63F3 /* carbhistory.json */; };
 		DDD78AD92DC421B500AC63F3 /* enacted.json in Resources */ = {isa = PBXBuildFile; fileRef = DDD78AD72DC421B500AC63F3 /* enacted.json */; };
@@ -1442,6 +1443,7 @@
 		DDD163192C4C695E00CD525A /* EditOverrideForm.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EditOverrideForm.swift; sourceTree = "<group>"; };
 		DDD1631B2C4C697400CD525A /* AddOverrideForm.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AddOverrideForm.swift; sourceTree = "<group>"; };
 		DDD1631E2C4C6F6900CD525A /* TrioCoreDataPersistentContainer.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = TrioCoreDataPersistentContainer.xcdatamodel; sourceTree = "<group>"; };
+		DDD5889C2DDDC9A900C8848D /* TimeAgoFormatter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimeAgoFormatter.swift; sourceTree = "<group>"; };
 		DDD6D4D22CDE90720029439A /* EstimatedA1cDisplayUnit.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EstimatedA1cDisplayUnit.swift; sourceTree = "<group>"; };
 		DDD78A902DC4064800AC63F3 /* carbhistory.json */ = {isa = PBXFileReference; lastKnownFileType = text.json; path = carbhistory.json; sourceTree = "<group>"; };
 		DDD78AD72DC421B500AC63F3 /* enacted.json */ = {isa = PBXFileReference; lastKnownFileType = text.json; path = enacted.json; sourceTree = "<group>"; };
@@ -2384,6 +2386,7 @@
 		388E5A5A25B6F05F0019842D /* Helpers */ = {
 			isa = PBXGroup;
 			children = (
+				DDD5889C2DDDC9A900C8848D /* TimeAgoFormatter.swift */,
 				DD82D4B72DCAB2BA00BAFC77 /* PropertyPersistentFlags.swift */,
 				DDCAE8322D78D49C00B1BB51 /* TherapySettingsUtil.swift */,
 				BD249DA62D42FE3800412DEB /* Calendar+GlucoseStatsChart.swift */,
@@ -4151,6 +4154,7 @@
 				CEB434E328B8F9DB00B70274 /* BluetoothStateManager.swift in Sources */,
 				BDC2EA452C3043B000E5BBD0 /* OverrideStorage.swift in Sources */,
 				3811DE4225C9D4A100A708ED /* SettingsDataFlow.swift in Sources */,
+				DDD5889D2DDDC9A900C8848D /* TimeAgoFormatter.swift in Sources */,
 				CEE9A6562BBB418300EB5194 /* CalibrationsRootView.swift in Sources */,
 				3811DE2525C9D48300A708ED /* MainRootView.swift in Sources */,
 				CE94598229E9E3D30047C9C6 /* WatchConfigProvider.swift in Sources */,

Trio/Sources/Helpers/TimeAgoFormatter.swift

@@ -0,0 +1,42 @@
+//
+//  TimeAgoFormatter.swift
+//  Trio
+//
+//  Created by Cengiz Deniz on 21.05.25.
+//
+import Foundation
+
+enum TimeAgoFormatter {
+    /// Returns a user-facing string for how many minutes ago the given date occurred,
+    /// formatted with non-breaking spaces and localized abbreviation.
+    ///
+    /// - Parameter date: The past `Date` to calculate elapsed time from.
+    /// - Returns: A formatted string like `"< 1 m"` or `"2 m"`. Returns `"--"` if the date is `nil`.
+    static func minutesAgo(from date: Date?) -> String {
+        guard let date = date else {
+            return "--"
+        }
+
+        let secondsAgo = -date.timeIntervalSinceNow
+        let minutesAgo = Int(floor(secondsAgo / 60))
+
+        if minutesAgo >= 1 {
+            let minuteString = Formatter.timaAgoFormatter.string(for: Double(minutesAgo)) ?? "\(minutesAgo)"
+            return minuteString + "\u{00A0}" + String(localized: "m", comment: "Abbreviation for Minutes")
+        } else {
+            return "<" + "\u{00A0}" + "1" + "\u{00A0}" + String(localized: "m", comment: "Abbreviation for Minutes")
+        }
+    }
+
+    // Calculates the floored integer value of how many full minutes ago the given date occurred.
+    ///
+    /// - Parameter date: The past `Date` to compare against the current time.
+    /// - Returns: An integer representing the number of full minutes since the given date.
+    ///            Returns `Int.max` if the date is `nil`.
+    static func minutesAgoValue(from date: Date?) -> Int {
+        guard let date = date else {
+            return Int.max
+        }
+        return Int(floor(-date.timeIntervalSinceNow / 60))
+    }
+}

Trio/Sources/Modules/Home/View/Header/CurrentGlucoseView.swift

@@ -81,17 +81,7 @@ struct CurrentGlucoseView: View {
                         }
                     }
                     HStack {
-                        let minutesAgo = -1 * (glucose.last?.date?.timeIntervalSinceNow ?? 0) / 60
-                        var minutesAgoString: String {
-                            if minutesAgo > 1 {
-                                let minuteString = Formatter.timaAgoFormatter.string(for: Double(minutesAgo)) ?? ""
-                                return minuteString + "\u{00A0}" + String(localized: "m", comment: "Abbreviation for Minutes")
-                            } else {
-                                return "<" + "\u{00A0}" + "1" + "\u{00A0}" +
-                                    String(localized: "m", comment: "Abbreviation for Minutes")
-                            }
-                        }
-
+                        let minutesAgoString = TimeAgoFormatter.minutesAgo(from: glucose.last?.date)
                         Group {
                             Text(minutesAgoString)
                             Text(delta)

Trio/Sources/Modules/Home/View/Header/LoopView.swift

@@ -57,15 +57,11 @@ struct LoopView: View {
     }
 
     private var timeString: String {
-        let minutesAgo = -1 * lastLoopDate.timeIntervalSinceNow / 60
-        let minuteString = Formatter.timaAgoFormatter.string(for: Double(minutesAgo)) ?? ""
-
+        let minutesAgo = TimeAgoFormatter.minutesAgoValue(from: lastLoopDate)
         if minutesAgo > 1440 {
             return "--"
-        } else if minutesAgo <= 1 {
-            return "<" + "\u{00A0}" + "1" + "\u{00A0}" + String(localized: "m", comment: "Abbreviation for Minutes")
         } else {
-            return minuteString + "\u{00A0}" + String(localized: "m", comment: "Abbreviation for Minutes")
+            return TimeAgoFormatter.minutesAgo(from: lastLoopDate)
         }
     }