Add JSON-EC-Processor.SRC

JSON-EC-Processor.SRC

@@ -0,0 +1,71 @@
+{=========================== CustomJSONProcessor =============================}
+{ Custom JSON data processor for the JSONXMLDriver - Env Canada History Data  }
+{ Processes Historical DISCHARGE & Level data with Timestamps                 }
+{=============================================================================}
+
+(
+  Data;
+  UniqueID;
+)
+[
+  CONSTANT IsJSONXMLProcessor = TRUE;
+  DrawLabel = "Env Can JSON Processor";
+  NewData;
+  TimeValuePair Struct [
+    Timestamp;
+    Value;
+  ];
+  DateTime;
+  DateTimeVTS;
+  i; {for loop pointer}
+  r; {records retured in JSON}
+]
+
+Main [
+  If 1;
+  [
+    
+    r = Data.numberReturned; {only process returned records}
+
+    DateTime = New(r);
+    DateTimeVTS = New(r);
+
+
+      i = 0;
+
+       WhileLoop(i < r , 
+              DateTime[i] = Data.features[i].properties.DATETIME;
+              DateTimeVTS[i] = (datenum(substr(DateTime[i],8,2),substr(DateTime[i],5,2),substr(DateTime[i],0,4))*86400) +
+                            (substr(DateTime[i],11,2)*3600) + (substr(DateTime[i],14,2)*60) + substr(DateTime[i],17,2); 
+              i++); 
+
+
+    NewData = Dictionary();
+    
+    NewData["STATION_NUMBER"] = Data.features[0].properties.STATION_NUMBER;
+    NewData["STATION_NAME"] = Data.features[0].properties.STATION_NAME;
+    NewData["NEWEST_TIMESTAMP"] = Data.features[0].properties.DATETIME;
+    NewData["RECORDS_RETURNED"] = r;
+    NewData["DISCHARGE"] = Data.features[0].properties.DISCHARGE;
+    NewData["DISCHARGE:History"] = TimeValuePair(New(r), New(r));
+         
+        i = 0;
+           WhileLoop(i < r , 
+            NewData["DISCHARGE:History"].Value[r-i-1]     = Data.features[i].properties.DISCHARGE;
+            NewData["DISCHARGE:History"].Timestamp[r-i-1] = DateTimeVTS[i];
+                i++);  
+
+   NewData["LEVEL"] = Data.features[0].properties.LEVEL;
+   NewData["LEVEL:History"] = TimeValuePair(New(r), New(r));
+         
+        i = 0;
+           WhileLoop(i < r , 
+            NewData["LEVEL:History"].Value[r-i-1]     = Data.features[i].properties.DISCHARGE;
+            NewData["LEVEL:History"].Timestamp[r-i-1] = DateTimeVTS[i];
+                i++);  
+
+    NewData["UniqueID"]             = UniqueID;
+    NewData["Timestamp"]            = "Not a timestamp";
+    Return(NewData);
+  ]
+]