Added basic EDDB api stuff

Somfic · Oct 22, 2018 · 7cf3d6c · 7cf3d6c
1 parent 7b8bf3e
commit 7cf3d6c
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Showing 4 changed files with 461 additions and 27 deletions.
diff --git a/EliteAPI/EDDB/EDDBApi.cs b/EliteAPI/EDDB/EDDBApi.cs
@@ -7,12 +7,12 @@
 using System.Threading.Tasks;
 
 using ChoETL;
-
+using Microsoft.VisualBasic.FileIO;
 using Newtonsoft.Json;
 
 namespace EliteAPI.EDDB
 {
-    public enum DataRequests { Systems, Stations, Prices }
+    public enum DataRequests { Systems, Stations, Prices, CommoditiesGeneral }
 
     public class EDDBApi
     {
@@ -43,16 +43,7 @@ public void UpdateData(DataRequests[] data)
                 {
                     case DataRequests.Prices:
                         web.DownloadFile("https://eddb.io/archive/v5/listings.csv", "prices.csv");
-                        StringBuilder sb = new StringBuilder();
-                        var p = ChoCSVReader.LoadLines(File.ReadAllLines("prices.csv")).WithFirstLineHeader();
-                        var w = new ChoJSONWriter(sb);
-                        w.Write(p);
-                        File.WriteAllText("prices.json", sb.ToString());
-                        File.Delete("prices.csv");
-                        p = null;
-                        w = null;
-                        sb = null;
-
+                        ParsePrices();
                         break;
 
                     case DataRequests.Stations:
@@ -62,38 +53,138 @@ public void UpdateData(DataRequests[] data)
                     case DataRequests.Systems:
                         web.DownloadFile("https://eddb.io/archive/v5/systems_populated.json", "systems.json");
                         break;
+
+                    case DataRequests.CommoditiesGeneral:
+                        web.DownloadFile("https://eddb.io/archive/v5/commodities.json", "commodities.json");
+                        break;
                 }
             }
         }
 
+        public void ParsePrices()
+        {
+            List<string> MidArray = new List<string>();
+
+            TextFieldParser parser = new TextFieldParser("prices.csv");
+            parser.TextFieldType = FieldType.Delimited;
+            parser.SetDelimiters(",");
+
+            List<Price> allPrices = new List<Price>();
+
+            parser.ReadFields();
+
+            File.WriteAllText("prices.json", "[" + Environment.NewLine);
+
+            char x = '"';
+
+            while (!parser.EndOfData)
+            {
+                string[] y = parser.ReadFields();
+                MidArray.Add("{" + $"{x}station{x}:{y[1]},{x}type{x}:{y[2]},{x}supply{x}:{y[3]},{x}buy{x}:{y[5]},{x}sell{x}:{y[6]},{x}demand{x}:{y[7]}" + "},");
+                if(MidArray.Count > 250000) { File.AppendAllLines("prices.json", MidArray); MidArray = new List<string>(); }
+            }
+
+            MidArray[MidArray.Count - 1] = MidArray[MidArray.Count - 1].Substring(0, MidArray[MidArray.Count - 1].Length - 1);
+            File.AppendAllLines("prices.json", MidArray);
+            File.AppendAllText("prices.json", "]");
+
+            File.Delete("prices.csv");
+        }
+
+        /// <summary>
+        /// Returns all the price info available for the station.
+        /// </summary>
+        /// <param name="station">The specific station</param>
+        /// <returns></returns>
+        public IReadOnlyList<Price> GetPriceInfoByStation(EddbStation station)
+        {
+            return JsonConvert.DeserializeObject<List<Price>>(File.ReadAllText("prices.json")).Where(x => x.station == station.id).ToList();
+        }
+
+        /// <summary>
+        /// Gets a system by name.
+        /// </summary>
+        /// <param name="systemName">The system name</param>
+        /// <returns></returns>
         public EddbSystem GetSystemByName(string systemName)
         {
             return JsonConvert.DeserializeObject<List<EddbSystem>>(File.ReadAllText("systems.json")).First(x => x.name == systemName);
         }
 
+        /// <summary>
+        /// Gets a system by its EDSM ID.
+        /// </summary>
+        /// <param name="edsmID">The EDSMid</param>
+        /// <returns></returns>
         public EddbSystem GetSystemByEdsmID(int edsmID)
         {
             return JsonConvert.DeserializeObject<List<EddbSystem>>(File.ReadAllText("systems.json")).First(x => x.edsm_id == edsmID);
         }
 
+        /// <summary>
+        /// Gets a system by its ID.
+        /// </summary>
+        /// <param name="ID">The systemid</param>
+        /// <returns></returns>
         public EddbSystem GetSystemByID(int ID)
         {
             return JsonConvert.DeserializeObject<List<EddbSystem>>(File.ReadAllText("systems.json")).First(x => x.id == ID);
         }
 
+        /// <summary>
+        /// Returns true if the station has the commodity in stock, and it's in supply.
+        /// </summary>
+        /// <param name="station">The station you want to search in</param>
+        /// <param name="commodity">The specific commodity</param>
+        /// <returns></returns>
+        public bool StationHasCommodity(EddbStation station, CommodityType commodity)
+        {
+            IReadOnlyList<Price> StationPrices = GetPriceInfoByStation(station);
+            foreach (var item in StationPrices)
+            {
+                if((CommodityType)item.type.Value == commodity && item.supply > 0) { return true; }
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// Gets a station by name, since it could be multiple, returns a list.
+        /// </summary>
+        /// <param name="stationName">The stationname</param>
+        /// <returns></returns>
         public IReadOnlyList<EddbStation> GetStationByName(string stationName)
         {
             return JsonConvert.DeserializeObject<List<EddbStation>>(File.ReadAllText("stations.json")).Where(x => x.name == stationName).ToList();
         }
 
+        /// <summary>
+        /// Gets a station by its id.
+        /// </summary>
+        /// <param name="ID">The station id</param>
+        /// <returns></returns>
         public EddbStation GetStationByID(int ID)
         {
             return JsonConvert.DeserializeObject<List<EddbStation>>(File.ReadAllText("stations.json")).First(x => x.id == ID);
         }
 
+        /// <summary>
+        /// Gets all the stations from a specific system.
+        /// </summary>
+        /// <param name="system">The specific system</param>
+        /// <returns></returns>
         public IReadOnlyList<EddbStation> GetStationsBySystem(EddbSystem system)
         {
-            return JsonConvert.DeserializeObject<List<EddbStation>>(File.ReadAllText("stations.json")).Where(x => x.system_id == system.id).ToList();
+            return GetStationsBySystem(system.id);
+        }
+
+        /// <summary>
+        /// Gets all the stations from a specific system.
+        /// </summary>
+        /// <param name="id">The system's id</param>
+        /// <returns></returns>
+        public IReadOnlyList<EddbStation> GetStationsBySystem(int id)
+        {
+            return JsonConvert.DeserializeObject<List<EddbStation>>(File.ReadAllText("stations.json")).Where(x => x.system_id == id).ToList();
         }
 
         /// <summary>