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model/rangemanager.py

@@ -45,4 +45,33 @@ class RangeManager:
             last_end = max(last_end, end)
         if last_end < self.max and self.max - last_end >= hole_size:
             holes.append((last_end + 1, self.max))
-        return holes
+        return holes
+    
+
+    def find_largest_gap(self):
+        # First, sort intervals by the starting point
+        sorted_intervals = sorted(self.intervals, key=lambda x: x.begin)
+        
+        # Initial largest gap is 0
+        largest_gap = 0
+        
+        # Start by considering the gap from min to the first interval's start, if there are any intervals
+        if sorted_intervals:
+            largest_gap = sorted_intervals[0].begin - self.min
+        
+        # Iterate over the intervals and find the gap between consecutive intervals
+        last_end = sorted_intervals[0].end if sorted_intervals else self.min
+        for interval in sorted_intervals[1:]:
+            # Calculate the gap between the current interval's start and the last interval's end
+            current_gap = interval.begin - last_end
+            if current_gap > largest_gap:
+                largest_gap = current_gap
+            last_end = max(last_end, interval.end)  # Update last_end considering overlapping intervals
+        
+        # Finally consider the gap from the last interval's end to max
+        if sorted_intervals:
+            final_gap = self.max - sorted_intervals[-1].end
+            if final_gap > largest_gap:
+                largest_gap = final_gap
+        
+        return largest_gap