Merge branch 'feature/start-models' into 'unstable'

Added basic version of models

See merge request internship-2025/survey-webapp/surveylib!1

SurveyLib.Core/Class1.cs

@@ -1,5 +0,0 @@
-namespace SurveyLib.Core;
-
-public class Class1
-{
-}

SurveyLib.Core/Models/Answer.cs

@@ -0,0 +1,12 @@
+namespace SurveyLib.Core.Models;
+
+public class Answer
+{
+    public int TryId { get; set; }
+    public int SurveyId { get; set; }
+    public int QuestionId { get; set; }
+    public string AnswerText { get; set; }
+
+    public Survey Survey { get; set; }
+    public QuestionBase Question { get; set; }
+}

SurveyLib.Core/Models/QuestionBase.cs

@@ -0,0 +1,11 @@
+namespace SurveyLib.Core.Models;
+
+public class QuestionBase
+{
+    public int Id { get; set; } // TODO: А ведь их наверное много будет, вдруг int однажды не хватит...
+    public int SurveyId { get; set; }
+    public string Title { get; set; }
+
+    public Survey Survey { get; set; }
+    public ICollection<Answer> Answers { get; set; }
+}

SurveyLib.Core/Models/Survey.cs

@@ -0,0 +1,11 @@
+namespace SurveyLib.Core.Models;
+
+public class Survey
+{
+    public int Id { get; set; }
+    public string Title { get; set; }
+    public string Description { get; set; }
+
+    public ICollection<QuestionBase> Questions { get; set; }
+    public ICollection<Answer> Answers { get; set; }
+}