PoliNetworkOrg · angeousta · Jul 6, 2024 · Jul 6, 2024 · Jul 6, 2024
diff --git a/Lib_CSharp b/Lib_CSharp
diff --git a/PoliNetwork.Graduatorie.Common/Enums/SchoolEnum.cs b/PoliNetwork.Graduatorie.Common/Enums/SchoolEnum.cs
@@ -28,7 +28,7 @@ public static string ToShortName(this SchoolEnum s)
             SchoolEnum.Design => "DES",
             SchoolEnum.Ingegneria => "ENG",
             SchoolEnum.Urbanistica => "URB",
-            _ => "UNK",
+            _ => "UNK"
         };
     }
 }
diff --git a/PoliNetwork.Graduatorie.Parser/Objects/Json/Indexes/IndexJsonBase.cs b/PoliNetwork.Graduatorie.Parser/Objects/Json/Indexes/IndexJsonBase.cs
@@ -8,7 +8,6 @@
 using PoliNetwork.Graduatorie.Parser.Objects.RankingNS;
 using PoliNetwork.Graduatorie.Parser.Objects.Tables.Course;
 using PoliNetwork.Graduatorie.Parser.Objects.Tables.Merit;
-using PoliNetwork.Graduatorie.Parser.Utils;
 
 #endregion
 
@@ -92,20 +91,20 @@ private static bool SameHashCourse(IReadOnlyCollection<CourseTable>? aTableCours
 
         var aHash = aTableCourse.Select(variable =>
         {
-            var hashWithoutLastUpdate = Hashing.GetHashFromListHash(variable.GetHashWithoutLastUpdate());
+            var hashWithoutLastUpdate = variable.GetHashWithoutLastUpdate();
             return hashWithoutLastUpdate;
         }).ToList();
 
         var bHash = bTableCourse.Select(variable =>
         {
-            var hashWithoutLastUpdate = Hashing.GetHashFromListHash(variable.GetHashWithoutLastUpdate());
+            var hashWithoutLastUpdate = variable.GetHashWithoutLastUpdate();
             return hashWithoutLastUpdate;
         }).ToList();
 
-        var ai = Hashing.GetHashFromListHash(aHash);
-        var bi = Hashing.GetHashFromListHash(bHash);
+        var ai = aHash;
+        var bi = bHash;
 
-        return (ai ?? 0) == (bi ?? 0);
+        return ai == bi;
     }
 
     private static bool SameHashMerit(MeritTable? aTableMerit, MeritTable? bTableMerit)
@@ -117,9 +116,7 @@ private static bool SameHashMerit(MeritTable? aTableMerit, MeritTable? bTableMer
 
         var ai = aTableMerit.GetHashWithoutLastUpdate();
         var bi = bTableMerit.GetHashWithoutLastUpdate();
-        var aii = Hashing.GetHashFromListHash(ai) ?? 0;
-        var bii = Hashing.GetHashFromListHash(bi) ?? 0;
-        return aii == bii;
+        return ai == bi;
     }
 
     private static Ranking? GetRankingFromFile(string path)

diff --git a/PoliNetwork.Graduatorie.Parser/Objects/Json/SingleCourseJson.cs b/PoliNetwork.Graduatorie.Parser/Objects/Json/SingleCourseJson.cs
@@ -12,31 +12,20 @@ namespace PoliNetwork.Graduatorie.Parser.Objects.Json;
 
 [Serializable]
 [JsonObject(MemberSerialization.Fields, NamingStrategyType = typeof(CamelCaseNamingStrategy))]
-public class SingleCourseJson: IComparable<SingleCourseJson>
+public class SingleCourseJson : IComparable<SingleCourseJson>
 {
     public string? BasePath;
+    public string? Id;
     public string? Link;
     public string? Location;
-    public string? Id;
     public RankingOrder? RankingOrder;
     public SchoolEnum? School;
     public int? Year;
 
-    public int GetHashWithoutLastUpdate()
-    {
-        var hashWithoutLastUpdate = Link?.GetHashCode() ?? "Link".GetHashCode();
-        var hashCode = Id?.GetHashCode() ?? "Id".GetHashCode();
-        var basePathInt = BasePath?.GetHashCode() ?? "BasePath".GetHashCode();
-        var yearInt = Year?.GetHashCode() ?? "Year".GetHashCode();
-        var schoolInt = School?.GetHashCode() ?? "School".GetHashCode();
-        var code = "SingleCourseJson".GetHashCode();
-        return hashWithoutLastUpdate ^ hashCode ^ basePathInt ^ yearInt ^ schoolInt ^ code;
-    }
-
     public int CompareTo(SingleCourseJson? singleCourseJson)
     {
         if (singleCourseJson == null) return 1;
-        
+
         if (Year != singleCourseJson.Year)
             return (Year ?? -1) < (singleCourseJson.Year ?? -1) ? -1 : 1;
 
@@ -57,6 +46,17 @@ public int CompareTo(SingleCourseJson? singleCourseJson)
         return 0;
     }
 
+    public int GetHashWithoutLastUpdate()
+    {
+        var hashWithoutLastUpdate = Link?.GetHashCode() ?? "Link".GetHashCode();
+        var hashCode = Id?.GetHashCode() ?? "Id".GetHashCode();
+        var basePathInt = BasePath?.GetHashCode() ?? "BasePath".GetHashCode();
+        var yearInt = Year?.GetHashCode() ?? "Year".GetHashCode();
+        var schoolInt = School?.GetHashCode() ?? "School".GetHashCode();
+        var code = "SingleCourseJson".GetHashCode();
+        return hashWithoutLastUpdate ^ hashCode ^ basePathInt ^ yearInt ^ schoolInt ^ code;
+    }
+
     public bool Is(CourseTable courseTable)
     {
         return (RankingOrder?.Phase ?? "") == courseTable.Title;

diff --git a/PoliNetwork.Graduatorie.Parser/Objects/RankingNS/Ranking.cs b/PoliNetwork.Graduatorie.Parser/Objects/RankingNS/Ranking.cs
@@ -9,7 +9,6 @@
 using PoliNetwork.Graduatorie.Parser.Objects.Json.Stats;
 using PoliNetwork.Graduatorie.Parser.Objects.Tables.Course;
 using PoliNetwork.Graduatorie.Parser.Objects.Tables.Merit;
-using PoliNetwork.Graduatorie.Parser.Utils;
 using PoliNetwork.Graduatorie.Parser.Utils.Output;
 
 #endregion
@@ -30,19 +29,19 @@ public class Ranking : IComparable<Ranking>
     public RankingUrl? Url;
     public int? Year;
 
-    public RankingSummaryStudent GetRankingSummaryStudent()
-    {
-        return new RankingSummaryStudent(RankingOrder?.Phase, School, Year, Url);
-    }
-
     public int CompareTo(Ranking? other)
     {
         if (ReferenceEquals(this, other)) return 0;
         if (ReferenceEquals(null, other)) return 1;
-        
+
         return string.Compare(GetId(), other.GetId(), StringComparison.Ordinal);
     }
 
+    public RankingSummaryStudent GetRankingSummaryStudent()
+    {
+        return new RankingSummaryStudent(RankingOrder?.Phase, School, Year, Url);
+    }
+
 
     /***
      * Ottieni l'hash senza considerare il valore di LastUpdate
@@ -57,7 +56,7 @@ public int GetHashWithoutLastUpdate()
         i ^= Url?.GetHashWithoutLastUpdate() ?? "Url".GetHashCode();
         i ^= Year?.GetHashCode() ?? "Year".GetHashCode();
         var iMerit = ByMerit?.GetHashWithoutLastUpdate();
-        i ^= Hashing.GetHashFromListHash(iMerit) ?? "ByMerit".GetHashCode();
+        i ^= iMerit ?? "ByMerit".GetHashCode();
 
 
         if (ByCourse == null)
@@ -66,7 +65,7 @@ public int GetHashWithoutLastUpdate()
             i = ByCourse.Aggregate(i, (current, variable) =>
             {
                 var hashWithoutLastUpdate = variable.GetHashWithoutLastUpdate();
-                var iList = Hashing.GetHashFromListHash(hashWithoutLastUpdate) ?? "empty".GetHashCode();
+                var iList = hashWithoutLastUpdate;
                 return current ^ iList;
             });
 
@@ -113,7 +112,7 @@ public string GetFilename()
     public string GetId()
     {
         var idList = new List<string>();
-        
+
         var schoolShort = School?.ToShortName();
         if (schoolShort != null) idList.Add(schoolShort);
 
@@ -122,7 +121,7 @@ public string GetId()
 
         var orderId = RankingOrder?.GetId();
         if (orderId != null) idList.Add(orderId);
-        
+
         var fallback = DateTime.UtcNow.ToString("yyyyMMddTHHmmss", CultureInfo.InvariantCulture) + "Z";
         if (idList.Count == 0) idList.Add(fallback);
 

diff --git a/PoliNetwork.Graduatorie.Parser/Objects/RankingNS/RankingOrder.cs b/PoliNetwork.Graduatorie.Parser/Objects/RankingNS/RankingOrder.cs
@@ -11,22 +11,22 @@ namespace PoliNetwork.Graduatorie.Parser.Objects.RankingNS;
 [JsonObject(MemberSerialization.Fields, NamingStrategyType = typeof(CamelCaseNamingStrategy))]
 public class RankingOrder
 {
+    public bool IsAnticipata; // used for DES/URB rankings until 2023
+    public bool IsEnglish;
+    public bool IsExtraEu;
     public string? Phase; // the original string (e.g. "
 
     //esempio:
     //seconda graduatoria di seconda fase: {primary:2,secondary:2}
     //prima graduatoria di seconda fase:{primary:2, secondary:1}
     public int? Primary;
     public int? Secondary;
-    public bool IsAnticipata; // used for DES/URB rankings until 2023
-    public bool IsExtraEu;
-    public bool IsEnglish;
 
     public RankingOrder(string phase, bool isExtraEu = false, bool isEnglish = false)
     {
         Phase = phase;
         ParsePhaseString(phase);
-        
+
         IsExtraEu = isExtraEu;
         IsEnglish = isEnglish;
     }
@@ -35,12 +35,12 @@ private void ParsePhaseString(string phase)
     {
         var s = phase.ToUpper().Trim();
         if (string.IsNullOrEmpty(s)) return;
-        
+
         var strings = s.Split(" ");
-        
+
         IsAnticipata = s.Contains("ANTICIPATA");
         if (IsAnticipata) return;
-        
+
         Primary = ExtractPhaseNumberByKey(strings, "FASE");
         Secondary = ExtractPhaseNumberByKey(strings, "GRADUATORIA");
     }
@@ -74,22 +74,19 @@ private void ParsePhaseString(string phase)
     public string GetId()
     {
         var idList = new List<string>();
-        if (IsAnticipata) idList.Add($"anticipata");
+        if (IsAnticipata) idList.Add("anticipata");
         if (Primary != null) idList.Add($"{Primary}fase");
         if (Secondary != null) idList.Add($"{Secondary}grad");
-        
+
         var cleanPhase = Phase?.Replace("_", "").Replace("-", "").Replace(" ", "_").ToLower() ?? "";
-        var noOrder = IsAnticipata == false && Primary == null && Secondary == null; 
+        var noOrder = IsAnticipata == false && Primary == null && Secondary == null;
         var isSingleExtraEu = noOrder && cleanPhase.Contains("extraue");
 
-        if (noOrder)
-        { 
-            idList.Add(isSingleExtraEu ? "extraeu" : cleanPhase);
-        }
-
+        if (noOrder) idList.Add(isSingleExtraEu ? "extraeu" : cleanPhase);
+
         idList.Add(IsEnglish ? "eng" : "ita");
         if (IsExtraEu && !isSingleExtraEu) idList.Add("extraeu"); // the second condition is to avoid double extraeu
-        
+
         var id = string.Join("_", idList);
         return id;
     }
@@ -111,4 +108,4 @@ public void Merge(RankingOrder? rankingRankingOrder)
         Primary ??= rankingRankingOrder?.Primary;
         Secondary ??= rankingRankingOrder?.Secondary;
     }
-}
+}
diff --git a/PoliNetwork.Graduatorie.Parser/Objects/StudentResult.cs b/PoliNetwork.Graduatorie.Parser/Objects/StudentResult.cs
@@ -3,6 +3,7 @@
 using Newtonsoft.Json;
 using Newtonsoft.Json.Serialization;
 using PoliNetwork.Graduatorie.Common.Objects;
+using PoliNetwork.Graduatorie.Parser.Utils;
 
 #endregion
 
@@ -22,7 +23,7 @@ public class StudentResult
     public decimal? Result;
     public SortedDictionary<string, decimal>? SectionsResults;
 
-    public List<int?> GetHashWithoutLastUpdate()
+    public int GetHashWithoutLastUpdate()
     {
         var r = new List<int?>
         {
@@ -47,6 +48,6 @@ public class StudentResult
             r.Add(SectionsResults.Aggregate("SectionsResultsFull".GetHashCode(),
                 (current, variable) => current ^ variable.Key.GetHashCode() ^ variable.Value.GetHashCode()));
 
-        return r;
+        return Hashing.GetHashFromListHash(r);
     }
 }
diff --git a/PoliNetwork.Graduatorie.Parser/Objects/Tables/Merit/MeritTable.cs b/PoliNetwork.Graduatorie.Parser/Objects/Tables/Merit/MeritTable.cs
@@ -17,7 +17,7 @@ public class MeritTable
     public List<StudentResult>? Rows;
     public int? Year;
 
-    public List<int?> GetHashWithoutLastUpdate()
+    public int GetHashWithoutLastUpdate()
     {
         var r = new List<int?> { "MeritTable".GetHashCode() };
         if (Headers != null)
@@ -30,14 +30,13 @@ public class MeritTable
             r.Add(Rows.Aggregate("RowsFull".GetHashCode(), (current, variable) =>
             {
                 var hashWithoutLastUpdate = variable.GetHashWithoutLastUpdate();
-                var hashFromListHash = Hashing.GetHashFromListHash(hashWithoutLastUpdate) ?? "empty3".GetHashCode();
-                return current ^ hashFromListHash;
+                return current ^ hashWithoutLastUpdate;
             }));
         else
             r.Add("RowsEmpty".GetHashCode());
 
         r.Add(Year?.GetHashCode() ?? "Year".GetHashCode());
         r.Add(Path?.GetHashCode() ?? "Path".GetHashCode());
-        return r;
+        return Hashing.GetHashFromListHash(r);
     }
 }
diff --git a/PoliNetwork.Graduatorie.Parser/Utils/Hashing.cs b/PoliNetwork.Graduatorie.Parser/Utils/Hashing.cs
@@ -2,13 +2,14 @@ namespace PoliNetwork.Graduatorie.Parser.Utils;
 
 public static class Hashing
 {
-    public static int? GetHashFromListHash(IReadOnlyCollection<int?>? iMerit)
+    public static int GetHashFromListHash(IReadOnlyCollection<int?>? iMerit)
     {
         if (iMerit == null)
-            return null;
+            return 0;
         if (iMerit.Count == 0)
-            return null;
+            return 0;
 
-        return iMerit.Aggregate(0, (current, variable) => current ^ variable ?? 0);
+        var hashFromListHash = iMerit.Aggregate(0, (current, variable) => current ^ variable ?? 0);
+        return hashFromListHash;
     }
 }
diff --git a/PoliNetwork.Graduatorie.Parser/Utils/Transformer/ParserNS/Parser.cs b/PoliNetwork.Graduatorie.Parser/Utils/Transformer/ParserNS/Parser.cs
@@ -208,26 +208,27 @@ private RankingsSet ParseNewRankings(IReadOnlyCollection<HtmlPage> htmls)
         var extraEuStr = intestazioni[4].Split("\n")[0].ToLower();
         var isExtraEu = extraEuStr.Contains("extra-ue");
 
-        if (ranking.Year < 2024) {
+        if (ranking.Year < 2024)
+        {
             // layout valid until 2023
             var phase = string.Join(" ", intestazioni[3].Split(" - ")[1..]);
             ranking.RankingOrder = new RankingOrder(phase, isExtraEu);
             if (ranking.School == SchoolEnum.Architettura && ranking.RankingOrder.Primary == null &&
                 ranking.RankingOrder.Secondary == null && ranking.RankingOrder.IsExtraEu)
-            {
                 // this is a fallback for 2020-2023:
                 // POLIMI was used to add the ranking number (Secondary, e.g. "Prima Graduatoria") for ExtraEU starting 
                 // from the second ranking. 
                 // e.g. Extra-EU first ranking => phase = "Extra-ue",
                 //      Extra-EU second ranking => phase = "Extra-ue - Seconda Graduatoria"
                 // so this is a fallback to add the equivalent of "Prima Graduatoria" to the first ExtraEU ranking.
-
                 ranking.RankingOrder.Secondary = 1;
-            }
-        } else {
+        }
+        else
+        {
             // layout valid since 2024 (if the layout changes again, make another else if)
             var phase = intestazioni[3];
-            var isEnglish = intestazioni[2].Contains("taught in english") || intestazioni[2].Contains("erogati in inglese");
+            var isEnglish = intestazioni[2].Contains("taught in english") ||
+                            intestazioni[2].Contains("erogati in inglese");
             ranking.RankingOrder = new RankingOrder(phase, isExtraEu, isEnglish);
         }
 
@@ -774,4 +775,4 @@ private IEnumerable<HtmlPage> ParseLocalHtmlFiles()
         );
         return obj2;
     }
-}
+}
diff --git a/PoliNetwork.Graduatorie.Scraper/Utils/Web/Scraper.cs b/PoliNetwork.Graduatorie.Scraper/Utils/Web/Scraper.cs
@@ -40,15 +40,16 @@ private IEnumerable<string> ScrapeAvvisiFuturiStudenti()
         var page = _web.Load(AvvisiFuturiStudentiUrl).DocumentNode;
 
         var newsCards =
-            page.SelectNodes("//div[contains(@class, 'news')]//div[contains(@class, 'row--card')]//div[contains(@class, 'card__content')]");
+            page.SelectNodes(
+                "//div[contains(@class, 'news')]//div[contains(@class, 'row--card')]//div[contains(@class, 'card__content')]");
         if (newsCards == null) return links;
 
         foreach (var card in newsCards)
         {
             var title = card.Descendants("h5").First();
             var titleValid = title != null && IsValidText(title.InnerText);
 
-            var body = card.Descendants("p").Where(el => el.ParentNode.HasClass("news-bodytext")).First();
+            var body = card.Descendants("p").First(el => el.ParentNode.HasClass("news-bodytext"));
             var bodyValid = body != null && IsValidText(body.InnerText);
 
             var aTag = card.Descendants("a").First();
@@ -134,4 +135,4 @@ private bool IsValidText(string text)
             return null;
         }
     }
-}
+}
+2 −0		PoliNetwork.Core/src/Utils/LoggerNS/Logger.cs
+0 −16		PoliNetwork.Db/src/Utils/Database.cs