feat(models): create records for entities-models

SubMerge/Models/CountryRecord.cs

@@ -1,4 +1,5 @@
 using System.Diagnostics.CodeAnalysis;
+using SubMerge.Parsers;
 
 namespace SubMerge.Models;
 
@@ -16,18 +17,17 @@ public CountryRecord(int countryId, string name, string code)
         Code = code;
     }
 
-    public int CountryId { get; set; }
-    public string Name { get; set; }
-    public string Code { get; set; }
+    public int CountryId { get; init; }
+    public string Name { get; init; }
+    public string Code { get; init; }
 
 
     public static CountryRecord Parse(string s, IFormatProvider? provider)
     {
         if (string.IsNullOrWhiteSpace(s)) throw new ArgumentException("Input cannot be null or empty", nameof(s));
 
-        var parts = s.Split(',');
-        if (parts.Length != 3)
-            throw new FormatException("Input string must contain exactly 3 comma-separated values.");
+
+        var parts = CsvParser.SplitAndValidateCsv(s, 3).Select(p => p.Trim()).ToArray();
 
         return new CountryRecord(
             int.Parse(parts[0]),

SubMerge/Models/GrapeRecord.cs

@@ -1,4 +1,5 @@
 using System.Diagnostics.CodeAnalysis;
+using SubMerge.Parsers;
 
 namespace SubMerge.Models;
 
@@ -18,19 +19,17 @@ public GrapeRecord(int grapeId, string name, GrapeType type, int harvestYear, in
         CountrySourceId = countrySourceId;
     }
 
-    public int GrapeID { get; set; }
-    public string Name { get; set; }
-    public GrapeType Type { get; set; }
-    public int HarvestYear { get; set; }
-    public int CountrySourceId { get; set; }
+    public int GrapeID { get; init; }
+    public string Name { get; init; }
+    public GrapeType Type { get; init; }
+    public int HarvestYear { get; init; }
+    public int CountrySourceId { get; init; }
 
     public static GrapeRecord Parse(string s, IFormatProvider? provider)
     {
         if (string.IsNullOrWhiteSpace(s)) throw new ArgumentException("Input cannot be null or empty", nameof(s));
 
-        var parts = s.Split(',');
-        if (parts.Length != 5)
-            throw new FormatException("Input string must contain exactly 5 comma-separated values.");
+        var parts = CsvParser.SplitAndValidateCsv(s, 5).Select(p => p.Trim()).ToArray();
 
         return new GrapeRecord(
             int.Parse(parts[0]),

SubMerge/Models/WineRecord.cs

@@ -1,4 +1,5 @@
 using System.Diagnostics.CodeAnalysis;
+using SubMerge.Parsers;
 
 namespace SubMerge.Models;
 
@@ -9,7 +10,7 @@ public WineRecord(int wineId, string label, int productionYear, int grapeId, int
         if (string.IsNullOrWhiteSpace(label))
             throw new ArgumentException("Label cannot be empty", nameof(label));
         if (productionYear <= 0)
-            throw new ArgumentException("Harvest year must be positive", nameof(productionYear));
+            throw new ArgumentException("Production year must be positive", nameof(productionYear));
 
         WineId = wineId;
         Label = label;
@@ -18,19 +19,17 @@ public WineRecord(int wineId, string label, int productionYear, int grapeId, int
         CountryProductionId = countryProductionId;
     }
 
-    public int WineId { get; set; }
-    public string Label { get; set; }
-    public int ProductionYear { get; set; }
-    public int GrapeId { get; set; }
-    public int CountryProductionId { get; set; }
+    public int WineId { get; init; }
+    public string Label { get; init; }
+    public int ProductionYear { get; init; }
+    public int GrapeId { get; init; }
+    public int CountryProductionId { get; init; }
 
     public static WineRecord Parse(string s, IFormatProvider? provider)
     {
         if (string.IsNullOrWhiteSpace(s)) throw new ArgumentException("Input cannot be null or empty", nameof(s));
 
-        var parts = s.Split(',');
-        if (parts.Length != 5)
-            throw new FormatException("Input string must contain exactly 5 comma-separated values.");
+        var parts = CsvParser.SplitAndValidateCsv(s, 5).Select(p => p.Trim()).ToArray();
 
         return new WineRecord(
             int.Parse(parts[0]),

SubMerge/Parsers/CsvParser.cs

@@ -0,0 +1,20 @@
+namespace SubMerge.Parsers;
+
+public static class CsvParser
+{
+    /// <summary>
+    ///     Splits a comma-separated string and validates that it contains exactly N parts.
+    /// </summary>
+    /// <param name="s">The input string to parse.</param>
+    /// <param name="n">The total N of expected parts of csv</param>
+    /// <returns>An array of strings representing the parsed parts.</returns>
+    /// <exception cref="FormatException">Thrown if the input string does not contain exactly N comma-separated values.</exception>
+    public static string[] SplitAndValidateCsv(string s, int n)
+    {
+        var parts = s.Split(',');
+        if (parts.Length != n)
+            throw new FormatException($"Input string must contain exactly {n} comma-separated values.");
+
+        return parts;
+    }
+}