refactor doTheThing

src/Chksum/chksum.cs

@@ -91,8 +91,12 @@ public class ChksumUtils {
 
     public void doTheThing() {
         using (var connection = new SqliteConnection("Data Source=" + DatabaseRoot + "chksum.db;Mode=ReadWrite")) {
-            if (getTotalFileCount() >= 1) {
+            if (getTotalFileCount() < 1) {
+                return;
+            }
+            connection.Open();
             Dictionary<string, string> fileHashes = CalculateChecksums(indexFiles());
+            
             foreach (var file in fileHashes) {
                 string absolutePathToFile = file.Key;
                 string fileName = Path.GetFileName(absolutePathToFile);
@@ -100,8 +104,6 @@ public class ChksumUtils {
                 string fileHash = file.Value;
                 
                 if (checkIfFileMovedAndUpdatePathToFile(fileHash, fileName, pathToFile) == false && checkIfFileAlreadyExistsInDatabase(fileHash, fileName) == false) {
-                        connection.Open();
-
                     var command = connection.CreateCommand();
                     command.CommandText =
                     @"
@@ -116,7 +118,6 @@ public class ChksumUtils {
             }
         }
     }
-    }
 
     private bool checkIfFileAlreadyExistsInDatabase(string fileHash, string pathToFile) {
         string filehash = string.Empty;
@@ -184,8 +185,8 @@ public class ChksumUtils {
                 Console.WriteLine($"\tto  \t{pathtofile}\n");
                 wasMoved = true;
             }
-            return wasMoved;
         }
+        return wasMoved;
     }
 
     public void checkIfFileWasDeleted() {
@@ -204,7 +205,9 @@ public class ChksumUtils {
                 while (reader.Read()) {
                     pathToFile = reader.GetString(0);
                     
-                    if (!File.Exists(pathToFile)) {
+                    if (File.Exists(pathToFile)) {
+                        continue;
+                    }
                     var deleteCommand = connection.CreateCommand();
                     deleteCommand.CommandText =
                     @"
@@ -220,7 +223,6 @@ public class ChksumUtils {
             }
         }
     }
-    }
 
     private List<string> getFilehashesFromDatabase(string connectionString) {
         List<string> filehashesFromDatabase = new List<string>();