Changed section data model

- Made parents nullable
- Added a data key for the tree
- Added depth for quicker layer-wise loading

I18N Commander/DataModel/Database/Common/DataContext.cs

@@ -35,6 +35,8 @@ public sealed class DataContext : DbContext
 
         modelBuilder.Entity<Section>().HasIndex(n => n.Id);
         modelBuilder.Entity<Section>().HasIndex(n => n.Name);
+        modelBuilder.Entity<Section>().HasIndex(n => n.Depth);
+        modelBuilder.Entity<Section>().HasIndex(n => n.DataKey);
 
         #endregion
 

I18N Commander/DataModel/Database/Section.cs

@@ -9,7 +9,11 @@ public sealed class Section
 
     public string Name { get; set; } = string.Empty;
 
-    public Section Parent { get; set; }
+    public string DataKey { get; set; } = string.Empty;
 
-    public List<TextElement> TextElements { get; set; }
+    public int Depth { get; set; } = 0;
+    
+    public Section? Parent { get; set; }
+
+    public List<TextElement> TextElements { get; set; } = new();
 }

I18N Commander/DataModel/Migrations/20220626195157_202206MadeParentNullable.Designer.cs

@@ -0,0 +1,184 @@
+// <auto-generated />
+using System;
+using DataModel.Database.Common;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace DataModel.Migrations
+{
+    [DbContext(typeof(DataContext))]
+    [Migration("20220626195157_202206MadeParentNullable")]
+    partial class _202206MadeParentNullable
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "6.0.5");
+
+            modelBuilder.Entity("DataModel.Database.Section", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("ParentId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("Name");
+
+                    b.HasIndex("ParentId");
+
+                    b.ToTable("Sections");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Setting", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("BoolValue")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<Guid>("GuidValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("IntegerValue")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("TextValue")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BoolValue");
+
+                    b.HasIndex("GuidValue");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("IntegerValue");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.HasIndex("TextValue");
+
+                    b.ToTable("Settings");
+                });
+
+            modelBuilder.Entity("DataModel.Database.TextElement", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("SectionId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("SectionId");
+
+                    b.ToTable("TextElements");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Translation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Culture")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Text")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("TextElementId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Culture");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("Text");
+
+                    b.HasIndex("TextElementId");
+
+                    b.ToTable("Translations");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Section", b =>
+                {
+                    b.HasOne("DataModel.Database.Section", "Parent")
+                        .WithMany()
+                        .HasForeignKey("ParentId");
+
+                    b.Navigation("Parent");
+                });
+
+            modelBuilder.Entity("DataModel.Database.TextElement", b =>
+                {
+                    b.HasOne("DataModel.Database.Section", "Section")
+                        .WithMany("TextElements")
+                        .HasForeignKey("SectionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Section");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Translation", b =>
+                {
+                    b.HasOne("DataModel.Database.TextElement", "TextElement")
+                        .WithMany("Translations")
+                        .HasForeignKey("TextElementId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("TextElement");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Section", b =>
+                {
+                    b.Navigation("TextElements");
+                });
+
+            modelBuilder.Entity("DataModel.Database.TextElement", b =>
+                {
+                    b.Navigation("Translations");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

I18N Commander/DataModel/Migrations/20220626195157_202206MadeParentNullable.cs

@@ -0,0 +1,56 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DataModel.Migrations
+{
+    public partial class _202206MadeParentNullable : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Sections_Sections_ParentId",
+                table: "Sections");
+
+            migrationBuilder.AlterColumn<int>(
+                name: "ParentId",
+                table: "Sections",
+                type: "INTEGER",
+                nullable: true,
+                oldClrType: typeof(int),
+                oldType: "INTEGER");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Sections_Sections_ParentId",
+                table: "Sections",
+                column: "ParentId",
+                principalTable: "Sections",
+                principalColumn: "Id");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Sections_Sections_ParentId",
+                table: "Sections");
+
+            migrationBuilder.AlterColumn<int>(
+                name: "ParentId",
+                table: "Sections",
+                type: "INTEGER",
+                nullable: false,
+                defaultValue: 0,
+                oldClrType: typeof(int),
+                oldType: "INTEGER",
+                oldNullable: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Sections_Sections_ParentId",
+                table: "Sections",
+                column: "ParentId",
+                principalTable: "Sections",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+    }
+}

I18N Commander/DataModel/Migrations/20220709094035_202207AddSectionDataKey.Designer.cs

@@ -0,0 +1,190 @@
+// <auto-generated />
+using System;
+using DataModel.Database.Common;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace DataModel.Migrations
+{
+    [DbContext(typeof(DataContext))]
+    [Migration("20220709094035_202207AddSectionDataKey")]
+    partial class _202207AddSectionDataKey
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "6.0.5");
+
+            modelBuilder.Entity("DataModel.Database.Section", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataKey")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("ParentId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DataKey");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("Name");
+
+                    b.HasIndex("ParentId");
+
+                    b.ToTable("Sections");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Setting", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("BoolValue")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<Guid>("GuidValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("IntegerValue")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("TextValue")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BoolValue");
+
+                    b.HasIndex("GuidValue");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("IntegerValue");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.HasIndex("TextValue");
+
+                    b.ToTable("Settings");
+                });
+
+            modelBuilder.Entity("DataModel.Database.TextElement", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("SectionId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("SectionId");
+
+                    b.ToTable("TextElements");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Translation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Culture")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Text")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("TextElementId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Culture");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("Text");
+
+                    b.HasIndex("TextElementId");
+
+                    b.ToTable("Translations");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Section", b =>
+                {
+                    b.HasOne("DataModel.Database.Section", "Parent")
+                        .WithMany()
+                        .HasForeignKey("ParentId");
+
+                    b.Navigation("Parent");
+                });
+
+            modelBuilder.Entity("DataModel.Database.TextElement", b =>
+                {
+                    b.HasOne("DataModel.Database.Section", "Section")
+                        .WithMany("TextElements")
+                        .HasForeignKey("SectionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Section");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Translation", b =>
+                {
+                    b.HasOne("DataModel.Database.TextElement", "TextElement")
+                        .WithMany("Translations")
+                        .HasForeignKey("TextElementId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("TextElement");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Section", b =>
+                {
+                    b.Navigation("TextElements");
+                });
+
+            modelBuilder.Entity("DataModel.Database.TextElement", b =>
+                {
+                    b.Navigation("Translations");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

I18N Commander/DataModel/Migrations/20220709094035_202207AddSectionDataKey.cs

@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DataModel.Migrations
+{
+    public partial class _202207AddSectionDataKey : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "DataKey",
+                table: "Sections",
+                type: "TEXT",
+                nullable: false,
+                defaultValue: "");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Sections_DataKey",
+                table: "Sections",
+                column: "DataKey");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_Sections_DataKey",
+                table: "Sections");
+
+            migrationBuilder.DropColumn(
+                name: "DataKey",
+                table: "Sections");
+        }
+    }
+}

I18N Commander/DataModel/Migrations/20220709095404_202207AddSectionDepth.Designer.cs

@@ -0,0 +1,195 @@
+// <auto-generated />
+using System;
+using DataModel.Database.Common;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace DataModel.Migrations
+{
+    [DbContext(typeof(DataContext))]
+    [Migration("20220709095404_202207AddSectionDepth")]
+    partial class _202207AddSectionDepth
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "6.0.5");
+
+            modelBuilder.Entity("DataModel.Database.Section", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataKey")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("Depth")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("ParentId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DataKey");
+
+                    b.HasIndex("Depth");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("Name");
+
+                    b.HasIndex("ParentId");
+
+                    b.ToTable("Sections");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Setting", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("BoolValue")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<Guid>("GuidValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("IntegerValue")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("TextValue")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BoolValue");
+
+                    b.HasIndex("GuidValue");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("IntegerValue");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.HasIndex("TextValue");
+
+                    b.ToTable("Settings");
+                });
+
+            modelBuilder.Entity("DataModel.Database.TextElement", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("SectionId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("SectionId");
+
+                    b.ToTable("TextElements");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Translation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Culture")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Text")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("TextElementId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Culture");
+
+                    b.HasIndex("Id");
+
+                    b.HasIndex("Text");
+
+                    b.HasIndex("TextElementId");
+
+                    b.ToTable("Translations");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Section", b =>
+                {
+                    b.HasOne("DataModel.Database.Section", "Parent")
+                        .WithMany()
+                        .HasForeignKey("ParentId");
+
+                    b.Navigation("Parent");
+                });
+
+            modelBuilder.Entity("DataModel.Database.TextElement", b =>
+                {
+                    b.HasOne("DataModel.Database.Section", "Section")
+                        .WithMany("TextElements")
+                        .HasForeignKey("SectionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Section");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Translation", b =>
+                {
+                    b.HasOne("DataModel.Database.TextElement", "TextElement")
+                        .WithMany("Translations")
+                        .HasForeignKey("TextElementId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("TextElement");
+                });
+
+            modelBuilder.Entity("DataModel.Database.Section", b =>
+                {
+                    b.Navigation("TextElements");
+                });
+
+            modelBuilder.Entity("DataModel.Database.TextElement", b =>
+                {
+                    b.Navigation("Translations");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

I18N Commander/DataModel/Migrations/20220709095404_202207AddSectionDepth.cs

@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DataModel.Migrations
+{
+    public partial class _202207AddSectionDepth : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "Depth",
+                table: "Sections",
+                type: "INTEGER",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Sections_Depth",
+                table: "Sections",
+                column: "Depth");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_Sections_Depth",
+                table: "Sections");
+
+            migrationBuilder.DropColumn(
+                name: "Depth",
+                table: "Sections");
+        }
+    }
+}

I18N Commander/DataModel/Migrations/DataContextModelSnapshot.cs

@@ -23,15 +23,26 @@ namespace DataModel.Migrations
                         .ValueGeneratedOnAdd()
                         .HasColumnType("INTEGER");
 
+                    b.Property<string>("DataKey")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("Depth")
+                        .HasColumnType("INTEGER");
+
                     b.Property<string>("Name")
                         .IsRequired()
                         .HasColumnType("TEXT");
 
-                    b.Property<int>("ParentId")
+                    b.Property<int?>("ParentId")
                         .HasColumnType("INTEGER");
 
                     b.HasKey("Id");
 
+                    b.HasIndex("DataKey");
+
+                    b.HasIndex("Depth");
+
                     b.HasIndex("Id");
 
                     b.HasIndex("Name");
@@ -140,9 +151,7 @@ namespace DataModel.Migrations
                 {
                     b.HasOne("DataModel.Database.Section", "Parent")
                         .WithMany()
-                        .HasForeignKey("ParentId")
+                        .HasForeignKey("ParentId");
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
 
                     b.Navigation("Parent");
                 });