代碼生成

namespace Qingyun.QingBaiFang.V2.APITest.Web
{
    using Microsoft.VisualStudio.TestTools.UnitTesting;
    using System.Collections.Generic;
    using System.Text;
    using System.IO;
    using System;

    /// <summary>
    /// 構建
    /// </summary>
    [TestClass]
    public class BuildCodeTest
    {
        private string _basePath;

        /// <summary>
        /// 構造
        /// </summary>
        public BuildCodeTest()
        {
            _basePath = Directory.GetParent(AppContext.BaseDirectory).Parent.Parent.Parent.Parent.FullName;
        }

        /// <summary>
        /// 構建
        /// </summary>
        [TestMethod]
        public void ApprovalMeetingSubmit()
        {
            string controllerName = "BuliuderCodeController";
            string controllerRemark = "BuliuderCodeController";
            string actionName = "Demo";
            string actionRemark = "Demo";
            string requstClass = "WebDemoInput";
            string responeseClass = "WebDemoOutput";
            string inheritName = "IDenpendency";
            string managerClassName = "BuliuderCodeManager";
            CreateController(controllerName, controllerRemark, inheritName);
            CreateControllerAction(controllerName, actionName, actionRemark, requstClass, responeseClass);
            CreateInputModel(requstClass, actionRemark);
            CreateOutputModel(requstClass, actionRemark);
            CreateManagerClass(managerClassName, controllerRemark);
            CreateManagerAction(managerClassName, actionName, actionRemark, requstClass, responeseClass);
        }

        /// <summary>
        /// 模板
        /// </summary>
        public void TempCode()
        {
            /*
             *  控制器類或方法
             *  管理類或方法
             *  服務介面類或方法
             *  服務實現類或方法
             *  入參類
             *  出參類
             *  枚舉類
             *  數據類
             */
        }

        /// <summary>
        /// 創建控制器方法
        /// </summary>
        /// <param name="controllerName">控制器名</param>
        /// <param name="actionName">方法名</param>
        /// <param name="actionRemark">方法備註</param>
        /// <param name="requstClass">入參的類名</param>
        /// <param name="responeseClass">出參的類名</param>
        public void CreateControllerAction(string controllerName, string actionName, string actionRemark, string requstClass, string responeseClass)
        {
            List<string> attributeNames = new List<string>();

            string codePath = Path.Combine(_basePath, "API", "Controllers", $"{controllerName}.cs");

            var controllerCodes = File.ReadAllLines(codePath);
            var code = ActionBuilder(actionName, actionRemark, requstClass, responeseClass, attributeNames);
            StringBuilder app = new StringBuilder();
            for (var i = 0; i < controllerCodes.Length - 2; i++)
            {
                app.AppendLine(controllerCodes[i]);
            }

            app.AppendLine(code);
            app.AppendLine($"    }}");
            app.AppendLine($"}}");
            File.WriteAllText(codePath, app.ToString());
        }

        /// <summary>
        /// 創建控制器
        /// </summary>
        /// <param name="className">控制器名</param>
        /// <param name="classRemark">方法名</param>
        /// <param name="inheritName">方法備註</param>
        public void CreateController(string className, string classRemark, string inheritName)
        {
            string nameSpace = "BuliuderCodeController";
            List<string> usingNames = new List<string>();
            string codePath = Path.Combine(_basePath, "API", "Controllers", $"{className}.cs");
            if (!Directory.Exists(codePath))
            {
                string controllerCode = ClassBuilder(className, classRemark, inheritName, nameSpace, usingNames);
                File.WriteAllText(codePath, controllerCode);
            }
        }

        /// <summary>
        /// 創建入參類
        /// </summary>
        /// <param name="className">類名</param>
        /// <param name="classRemark">備註</param>
        public void CreateInputModel(string className, string classRemark)
        {
            string nameSpace = "Qingyun.QingBaiFang.V2.Common.DTOWeb.Input";
            string codePath = Path.Combine(_basePath, "Common", "DTOWeb", "Input", $"{className}.cs");
            string inheritName = string.Empty;
            List<string> usingNames = new List<string>();

            if (!Directory.Exists(codePath))
            {
                string classCode = ClassBuilder(className, classRemark, inheritName, nameSpace, usingNames);
                File.WriteAllText(codePath, classCode);
            }
        }

        /// <summary>
        /// 創建出參類
        /// </summary>
        /// <param name="className">類名</param>
        /// <param name="classRemark">備註</param>
        public void CreateOutputModel(string className, string classRemark)
        {
            string nameSpace = "Qingyun.QingBaiFang.V2.Common.DTOWeb.Output";
            string codePath = Path.Combine(_basePath, "Common", "DTOWeb", "Output", $"{className}.cs");
            string inheritName = string.Empty;
            List<string> usingNames = new List<string>();

            if (!Directory.Exists(codePath))
            {
                string classCode = ClassBuilder(className, classRemark, inheritName, nameSpace, usingNames);
                File.WriteAllText(codePath, classCode);
            }
        }

        /// <summary>
        /// 創建管理類
        /// </summary>
        /// <param name="className">類名</param>
        /// <param name="classRemark">備註</param>
        public void CreateManagerClass(string className, string classRemark)
        {
            string nameSpace = "Qingyun.QingBaiFang.V2.Service.Manager.Demo";
            string codePath = Path.Combine(_basePath, "Service", "Manager", "Demo", $"{className}.cs");
            string inheritName = "IDenpendency";
            List<string> usingNames = new List<string>();

            if (!Directory.Exists(codePath))
            {
                string classCode = ClassBuilder(className, classRemark, inheritName, nameSpace, usingNames);
                File.WriteAllText(codePath, classCode);
            }
        }

        /// <summary>
        /// 創建管理類方法
        /// </summary>
        /// <param name="className">類名</param>
        /// <param name="actionName">方法名</param>
        /// <param name="actionRemark">方法備註</param>
        /// <param name="requstClass">入參的類名</param>
        /// <param name="responeseClass">出參的類名</param>
        public void CreateManagerAction(string className, string actionName, string actionRemark, string requstClass, string responeseClass)
        {
            List<string> attributeNames = new List<string>();

            string codePath = Path.Combine(_basePath, "Service", "Manager", "Demo", $"{className}.cs");

            var controllerCodes = File.ReadAllLines(codePath);
            var code = ActionBuilder(actionName, actionRemark, requstClass, responeseClass, attributeNames);
            StringBuilder app = new StringBuilder();
            for (var i = 0; i < controllerCodes.Length - 2; i++)
            {
                app.AppendLine(controllerCodes[i]);
            }

            app.AppendLine(code);
            app.AppendLine($"    }}");
            app.AppendLine($"}}");
            File.WriteAllText(codePath, app.ToString());
        }

        /// <summary>
        /// 生成Code
        /// </summary>
        /// <param name="actionName">方法名</param>
        /// <param name="actionRemark">方法備註</param>
        /// <param name="requstClass">入參的類名</param>
        /// <param name="responeseClass">出參的類名</param>
        /// <param name="attributeNames">特性([HttpGet(\"GetDetailSearch\")])</param>
        /// <returns>生成的代碼</returns>
        public string ActionBuilder(string actionName, string actionRemark, string requstClass, string responeseClass, List<string> attributeNames)
        {
            // 控制器類或方法
            StringBuilder app = new StringBuilder();
            app.AppendLine($"");
            app.AppendLine($"        /// <summary>");
            app.AppendLine($"        /// {actionRemark}");
            app.AppendLine($"        /// </summary>");
            app.AppendLine($"        /// <param name=\"input\">入參</param>");
            app.AppendLine($"        /// <returns>結果</returns>");
            foreach (var item in attributeNames)
            {
                app.AppendLine($"        {item}");
            }

            app.AppendLine($"        public async Task<{responeseClass}> {actionName}({requstClass} input)");
            app.AppendLine($"        {{");
            app.AppendLine($"           return await _meetingManager.{actionName}(input);");
            app.AppendLine($"        }}");

            return app.ToString().Trim();
        }

        /// <summary>
        /// ClassBuilder
        /// </summary>
        /// <param name="className">類名</param>
        /// <param name="classRemark">備註</param>
        /// <param name="inheritName">繼承類(ITask)</param>
        /// <param name="nameSpace">命名空間(Qingyun.QingBaiFang.V2.Service.Service.Tasks)</param>
        /// <param name="usingNames">引用類</param>
        /// <returns>生成的Code</returns>
        public string ClassBuilder(string className, string classRemark, string inheritName, string nameSpace, List<string> usingNames)
        {
            StringBuilder app = new StringBuilder();

            app.AppendLine($"namespace {nameSpace}");
            app.AppendLine($"{{");
            foreach (var item in usingNames)
            {
                app.AppendLine($"{item.Trim(';')};");
            }

            if (usingNames.Count > 0)
            {
                app.AppendLine($"");
            }

            app.AppendLine($"    /// <summary>");
            app.AppendLine($"    /// {classRemark}");
            app.AppendLine($"    /// </summary>");
            if (string.IsNullOrEmpty(inheritName))
            {
                app.AppendLine($"    public class {className}");
            }
            else
            {
                app.AppendLine($"    public class {className} : {inheritName}");
            }

            app.AppendLine($"    {{");
            app.AppendLine($"    }}");
            app.AppendLine($"}}");

            return app.ToString().Trim();
        }
    }
}