Dev/abhishekkuma/code refactoring (#16)

* fix connection-string issue

* removing temp files

* Use Action class from Runtime Config

* removing temp files

* minor fix

* code refactoring

* added summary for all the methods

Author: abhishekkumams

Hawaii-Cli/Classes/CommandLineHelp.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using CommandLine;
+using CommandLine.Text;
+
+namespace Hawaii.Cli.Models
+{
+    /// <summary>
+    /// Contains methods to parse the Command line Arguments.
+    /// </summary>
+    public class CommandLineHelp
+    {
+
+        /// <summary>
+        /// For displaying help with a command argument of --help
+        /// </summary>
+        public static void DisplayHelp<T>(ParserResult<T> result, IEnumerable<Error> errs)
+        {
+
+            string help = HelpText.AutoBuild(result, helpText =>
+            {
+                helpText.AdditionalNewLineAfterOption = false;
+                helpText.Heading = "See all the available options";
+
+                return HelpText.DefaultParsingErrorsHandler(result, helpText);
+
+            }, e => e);
+
+            Console.WriteLine(help);
+            Environment.Exit(0);
+        }
+
+        /// <summary>
+        /// Parse command line for expected arguments
+        /// </summary>
+        /// <param name="args">incoming program arguments</param>
+        public static void ParseArguments(string[] args)
+        {
+            Parser parser = new CommandLine.Parser();
+
+            ParserResult<CommandLineOptions> results = parser.ParseArguments<CommandLineOptions>(args);
+
+            string? command, entity;
+            results.WithParsed(options => {
+                command = options.command;
+                switch (command)
+                {
+                    case "init":
+                        Operations.Init(options);
+                        break;
+
+                    case "add":
+                        entity = options.entity;
+                        if(entity==null) {
+                            Console.WriteLine("Please provide a valid Entity.");
+                            break;
+                        }
+
+                        Operations.Add(entity, options);
+                        break;
+
+                    case "update":
+                        entity = options.entity;
+                        if(entity==null) {
+                            Console.WriteLine("Please provide a valid Entity.");
+                            break;
+                        }
+                        
+                        Operations.Update(entity, options);
+                        break;
+
+                    default:
+                        Console.WriteLine($"ERROR: Could not execute because the specified command was not found.");
+                        Console.WriteLine("please do init to initialize the config file.");
+                        break;
+                }
+
+            }).WithNotParsed(errors => CommandLineHelp.DisplayHelp(results, errors));
+        }
+    }
+}

Hawaii-Cli/Classes/Utils.cs

@@ -1,10 +1,19 @@
 using System;
 using CommandLine;
 
-namespace Hawaii.Cli.Classes
+namespace Hawaii.Cli.Models
 {
+    /// <summary>
+    /// Contains different options that are supported by this Cli tool.
+    /// </summary>
     public sealed class CommandLineOptions
     {
+        [Value(0, Required = false, HelpText = "Specify the command - init/add/update")]
+        public string? command { get; set;}
+
+        [Value(1, Required = false, HelpText = "Specify the name of entity for adding or updating an entity")]
+        public string? entity { get; set;}
+
         [Option('n', "name", Required = false, HelpText = "Specify the file name, Default value = hawaii-config")]
         public string? name { get; set; }
 
@@ -14,6 +23,9 @@ public sealed class CommandLineOptions
         [Option("connection-string", Required = false, HelpText = "Connection details to connect to database")]
         public string? connectionString { get; set; }
 
+        [Option("resolver-config-file", Required = false, HelpText = "Path of the file to resolve the configuration for CosmosDB")]
+        public string? resolverConfigFile { get; set; }
+
         //TODO: Link options with Specidied commands
         // we need to make sure certain options are only required with certain commands.
         // for example: source is required only with add/update and not init
@@ -48,8 +60,5 @@ public sealed class CommandLineOptions
         [Option("mapping.fields", Required = false, HelpText = "Specify fields to be used for mapping the entities")]
         public string? mappingFields { get; set; }
 
-        [Option(Default = false, HelpText = "Prints all messages to standard output.")]
-        public bool Verbose { get; set; }
-
     }
 }