Switch to SQLite

DataLayer/UNTESTED/LibationContextFactory.cs

@@ -6,6 +6,9 @@ namespace DataLayer
     public class LibationContextFactory : DesignTimeDbContextFactoryBase<LibationContext>
     {
         protected override LibationContext CreateNewInstance(DbContextOptions<LibationContext> options) => new LibationContext(options);
-        protected override void UseDatabaseEngine(DbContextOptionsBuilder optionsBuilder, string connectionString) => optionsBuilder.UseSqlServer(connectionString);
+        protected override void UseDatabaseEngine(DbContextOptionsBuilder optionsBuilder, string connectionString) => optionsBuilder
+			//.UseSqlServer
+			.UseSqlite
+			(connectionString);
     }
 }

DataLayer/UNTESTED/Utilities/LocalDatabaseInfo.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace DataLayer.Utilities
+{
+	public static class LocalDatabaseInfo
+	{
+		public static List<string> GetLocalDBInstances()
+		{
+			// Start the child process.
+			using var p = new System.Diagnostics.Process
+			{
+				StartInfo = new System.Diagnostics.ProcessStartInfo
+				{
+					UseShellExecute = false,
+					RedirectStandardOutput = true,
+					FileName = "cmd.exe",
+					Arguments = "/C sqllocaldb info",
+					CreateNoWindow = true,
+					WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden
+				}
+			};
+			p.Start();
+			var output = p.StandardOutput.ReadToEnd();
+			p.WaitForExit();
+
+			// if LocalDb is not installed then it will return that 'sqllocaldb' is not recognized as an internal or external command operable program or batch file
+			return string.IsNullOrWhiteSpace(output) || output.Contains("not recognized")
+				? new List<string>()
+				: output
+					.Split(new string[] { Environment.NewLine }, StringSplitOptions.None)
+					.Select(i => i.Trim())
+					.Where(i => !string.IsNullOrEmpty(i))
+					.ToList();
+		}
+	}
+}

DataLayer/appsettings.json

@@ -1,6 +1,7 @@
 {
   "ConnectionStrings": {
-    "LibationContext": "Server=(LocalDb)\\MSSQLLocalDB;Database=DataLayer.LibationContext;Integrated Security=true;",
+    "LibationContext_sqlserver": "Server=(LocalDb)\\MSSQLLocalDB;Database=DataLayer.LibationContext;Integrated Security=true;",
+    "LibationContext": "Data Source=LibationContext.db;Foreign Keys=False;",
 
     "// on windows sqlite paths accept windows and/or unix slashes": "",
     "MyTestContext": "Data Source=%DESKTOP%/sample.db"

REFERENCE.txt

@@ -1,6 +1,8 @@
 -- begin VERSIONING ---------------------------------------------------------------------------------------------------------------------
 https://github.com/rmcrackan/Libation/releases
 
+v3.0.3 : Switch to SQLite
+v3.0.2 : Final using LocalDB
 v3.0.1 : Legacy inAudible wire-up code is still present but is commented out. All future check-ins are not guaranteed to have inAudible wire-up code
 v3.0 : This version is fully powered by the Audible API. Legacy scraping code is still present but is commented out. All future check-ins are not guaranteed to have any scraping code
 -- end VERSIONING ---------------------------------------------------------------------------------------------------------------------

__TODO.txt

@@ -13,7 +13,7 @@ only files:
 no mdf, ldf
 
 REPLACE DB
-need completely need db? replace LocalDb with sqlite? embedded document nosql?
+need completely new db? replace LocalDb with sqlite? embedded document nosql (LiteDB)?
 
 CREATE INSTALLER
 see REFERENCE.txt > HOW TO PUBLISH
@@ -24,6 +24,7 @@ Warn of known performance issues
 - Tag add/edit
 - Grid is slow to respond loading when books aren't liberated
 - get decrypt key -- unavoidable
+- images can take a bit to initially load. downloading is throttled as to not get the IP blocked by audible
 -- end BETA ---------------------------------------------------------------------------------------------------------------------
 
 -- begin ENHANCEMENT, IMPORT UI ---------------------------------------------------------------------------------------------------------------------
@@ -124,6 +125,8 @@ move out of Book and into DtoMapper?
 Extract file and tag stuff from domain objects. This should exist only in data layer. If domain objects are able to call EF context, it should go through data layer
 Why are tags in file AND database?
 
+why use a relational db? i'm treating it like a nosql db. use LiteDB instead?
+
 extract FileManager dependency from data layer
 -- end TAGS ---------------------------------------------------------------------------------------------------------------------