Revize 346be8db

re #8934 Testing JsonParser

Server/ServerApp/WeatherPredictionParser/JsonParser.cs

@@ -29 +29 @@
         /// <summary> Sunset time of currently parsed day </summary>
         DateTime sunsetTime;
 
-
         /// <summary>
         /// Constructor
         /// </summary>
@@ -39 +38 @@
             this.loader = loader;
         }
 
+        /// <summary>
+        /// Get predictions from Predictions that are within specified time span
+        /// From-to including
+        /// If from == DateTime.Min then all until to
+        /// If to  == DateTime.Max then all starting from from
+        /// </summary>
+        /// <param name="from">DateTime from</param>
+        /// <param name="to">DateTime to</param>
+        /// <returns>List of predictions that fit specified criteria or null if incorrect input</returns>
+        public override List<WeatherInfo> GetPredictionForTime(DateTime from, DateTime to)
+        {
+            if (Predictions == null)
+                return null;
+
+            List<WeatherInfo> res = new List<WeatherInfo>();
+
+            if (from == DateTime.MinValue)
+                from = Predictions[0].startTime;
+
+            if (to == DateTime.MaxValue) {
+                DateTime dt = Predictions[Predictions.Count - 1].startTime;
+                int hour = dt.Hour + Predictions[Predictions.Count - 1].intervalLength;
+                bool addDay = false;
+                if (hour >= 24)
+                {
+                    hour -= 24;
+                    addDay = true;
+                }
+                to = new DateTime(dt.Year, dt.Month, dt.Day, hour, dt.Minute, dt.Second);
+                if (addDay)
+                    to = to.AddDays(1);
+            }
+
+            if (from > to)
+                return null;
+
+            // for all parsed weather info
+            foreach (WeatherInfo pred in Predictions)
+            {
+                int hour = pred.startTime.Hour + pred.intervalLength;
+                bool addDay = false;
+                if (hour >= 24)
+                {
+                    hour -= 24;
+                    addDay = true;
+                }
+                DateTime endTime = new DateTime(pred.startTime.Year, pred.startTime.Month, pred.startTime.Day, hour, pred.startTime.Minute, pred.startTime.Second);
+                if (addDay)
+                    endTime = endTime.AddDays(1);
+
+                // if both end and start not outside of interval
+                if (!((pred.startTime < from && endTime <= from) || (pred.startTime > to && endTime > to)))
+                    res.Add(pred);
+            }
+
+            return res;
+        }
+
+
         /// <summary>
         /// Parse weather prediction
         /// Results is in attributes current for current weather and pred for weather prediction for today, tommorrow and day after tommorrow