implement BaseEntityTypeConfiguration

not yet tested.

per: https://stackoverflow.com/a/46978798/2343739

ref #144

src/FilterLists.Data/Contexts/FilterListsDbContext.cs

@@ -17,9 +17,9 @@ public FilterListsDbContext(DbContextOptions options)
 
         protected override void OnModelCreating(ModelBuilder modelBuilder)
         {
-            modelBuilder.ApplyConfiguration(new FilterListConfiguration());
-            modelBuilder.ApplyConfiguration(new MaintainerConfiguration());
-            modelBuilder.ApplyConfiguration(new LanguageConfiguration());
+            modelBuilder.ApplyConfiguration(new FilterListTypeConfiguration());
+            modelBuilder.ApplyConfiguration(new MaintainerTypeConfiguration());
+            modelBuilder.ApplyConfiguration(new LanguageTypeConfiguration());
         }
     }
 }

src/FilterLists.Data/EntityTypeConfigurations/BaseEntityConfiguration.cs

@@ -4,9 +4,9 @@
 
 namespace FilterLists.Data.EntityTypeConfigurations
 {
-    public class FilterListConfiguration : IEntityTypeConfiguration<FilterList>
+    public class BaseEntityTypeConfiguration<TBase> : IEntityTypeConfiguration<TBase> where TBase : BaseEntity
     {
-        public void Configure(EntityTypeBuilder<FilterList> entityTypeBuilder)
+        public virtual void Configure(EntityTypeBuilder<TBase> entityTypeBuilder)
         {
             entityTypeBuilder.Property(b => b.CreatedDateUtc).HasDefaultValueSql("CURRENT_TIMESTAMP");
         }

src/FilterLists.Data/EntityTypeConfigurations/FilterListTypeConfiguration.cs

@@ -0,0 +1,13 @@
+using FilterLists.Data.Entities;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace FilterLists.Data.EntityTypeConfigurations
+{
+    public class FilterListTypeConfiguration : BaseEntityTypeConfiguration<FilterList>
+    {
+        public override void Configure(EntityTypeBuilder<FilterList> entityTypeBuilder)
+        {
+            base.Configure(entityTypeBuilder);
+        }
+    }
+}

src/FilterLists.Data/EntityTypeConfigurations/LanguageConfiguration.cs

@@ -1,14 +0,0 @@
-using FilterLists.Data.Entities;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace FilterLists.Data.EntityTypeConfigurations
-{
-    public class LanguageConfiguration : IEntityTypeConfiguration<Language>
-    {
-        public void Configure(EntityTypeBuilder<Language> entityTypeBuilder)
-        {
-            entityTypeBuilder.Property(b => b.CreatedDateUtc).HasDefaultValueSql("CURRENT_TIMESTAMP");
-        }
-    }
-}

src/FilterLists.Data/EntityTypeConfigurations/LanguageTypeConfiguration.cs

@@ -0,0 +1,13 @@
+using FilterLists.Data.Entities;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace FilterLists.Data.EntityTypeConfigurations
+{
+    public class LanguageTypeConfiguration : BaseEntityTypeConfiguration<Language>
+    {
+        public override void Configure(EntityTypeBuilder<Language> entityTypeBuilder)
+        {
+            base.Configure(entityTypeBuilder);
+        }
+    }
+}

src/FilterLists.Data/EntityTypeConfigurations/MaintainerConfiguration.cs

@@ -1,14 +0,0 @@
-using FilterLists.Data.Entities;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace FilterLists.Data.EntityTypeConfigurations
-{
-    public class MaintainerConfiguration : IEntityTypeConfiguration<Maintainer>
-    {
-        public void Configure(EntityTypeBuilder<Maintainer> entityTypeBuilder)
-        {
-            entityTypeBuilder.Property(b => b.CreatedDateUtc).HasDefaultValueSql("CURRENT_TIMESTAMP");
-        }
-    }
-}

src/FilterLists.Data/EntityTypeConfigurations/MaintainerTypeConfiguration.cs

@@ -0,0 +1,13 @@
+using FilterLists.Data.Entities;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace FilterLists.Data.EntityTypeConfigurations
+{
+    public class MaintainerTypeConfiguration : BaseEntityTypeConfiguration<Maintainer>
+    {
+        public override void Configure(EntityTypeBuilder<Maintainer> entityTypeBuilder)
+        {
+            base.Configure(entityTypeBuilder);
+        }
+    }
+}