add a software to manage leetcode issues

Author: jackzhenguo

LeetcodeManager/App.config

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <configSections>
+    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
+    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+  </configSections>
+  <startup>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
+  </startup>
+  <entityFramework>
+    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework" />
+    <providers>
+      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
+    </providers>
+  </entityFramework>
+</configuration>

LeetcodeManager/Assembly/Infragistics2.Shared.v12.1.dll

@@ -0,0 +1,40 @@
+using LeetcodeManager.Controller;
+using LeetcodeManager.DAL;
+using LeetcodeManager.Entity;
+using System;
+using System.Collections.Generic;
+using System.Data.Entity;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LeetcodeManager.Controller
+{
+    public class ProblemInputController
+    {
+        private readonly TagDAL _tagDal = new TagDAL();
+        private readonly ProblemDAL _problemDal = new ProblemDAL();
+
+        public bool IsNew(Problem problem)
+        {
+            if (problem == null) return true;
+            return _problemDal.IsNew(problem);
+        }
+        public Problem SaveProblem(Problem problem)
+        {
+            return _problemDal.CreateAProblem(problem);
+        }
+        public void UpdateProblems()
+        {
+            _problemDal.UpdateProblems();
+        }
+        public void DeleteProblem(Problem problem)
+        {
+            _problemDal.DeleteAProblem(problem);
+        }
+        public void DeleteProblems(IList<Problem> problems)
+        {
+            _problemDal.DeleteProblems(problems);
+        }
+    }
+}

LeetcodeManager/Assembly/Infragistics2.Win.UltraWinEditors.v12.1.dll

@@ -0,0 +1,65 @@
+using LeetcodeManager.DAL;
+using LeetcodeManager.Entity;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LeetcodeManager.Controller
+{
+    public class TagInputController
+    {
+        private readonly TagDAL _tagDAL = new TagDAL();
+        public DataTable TagsToTable()
+        {
+            var tagTable = new DataTable();
+            tagTable.Columns.AddRange(new DataColumn[]{
+                    new DataColumn("TagId",typeof(int)),
+                    new DataColumn("Name",typeof(string))
+                });
+            IEnumerable<Tag> tags = _tagDAL.QueryAllTags();
+            foreach (var tag in tags)
+            {
+                var row = tagTable.NewRow();
+                row["TagId"] = tag.TagId;
+                row["Name"] = tag.Name;
+                tagTable.Rows.Add(row);
+            }
+            return tagTable;
+        }
+        public Tag GetATagByName(string name)
+        {
+            return _tagDAL.QueryTagByName(name);
+        }
+        public Tag GetATagById(int id)
+        {
+            return _tagDAL.QueryTagById(id);
+        }
+        public IEnumerable<Tag> GetAllTags()
+        {
+            return _tagDAL.QueryAllTags();
+        }
+        public bool IsNew(Tag tag)
+        {
+            if (tag == null) return true;
+            return _tagDAL.IsNew(tag);
+        }
+
+        public Tag SaveTagToDb(Tag tag)
+        {
+            return _tagDAL.CreateATag(tag);
+        }
+
+        public void DeleteTag(Tag tag)
+        {
+            _tagDAL.DeleteATag(tag);
+        }
+
+        public void UpdateTagName(Tag tag)
+        {
+            _tagDAL.UpdateATagName(tag);
+        }
+    }
+}

LeetcodeManager/Assembly/Infragistics2.Win.UltraWinGrid.v12.1.dll

@@ -0,0 +1,18 @@
+using LeetcodeManager.DAL;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LeetcodeManager.DAL
+{
+    public class BaseDAL
+    {
+        protected static MyDb _db;
+        protected BaseDAL()
+        {
+            _db = _db ?? new MyDb();
+        }
+    }
+}

LeetcodeManager/Assembly/Infragistics2.Win.v12.1.dll

@@ -0,0 +1,24 @@
+using LeetcodeManager.Entity;
+using System;
+using System.Collections.Generic;
+using System.Data.Entity;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LeetcodeManager.DAL
+{
+    public class MyDb:DbContext
+    {
+        public DbSet<Tag> Tags { get; set; }
+        public DbSet<Problem> Problems { get; set; }
+
+        protected override void OnModelCreating(DbModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<Tag>().HasMany(p => p.Problems).WithMany(r => r.Tags).Map(
+                t => t.ToTable("TagProblem").
+                    MapLeftKey("TagId").
+                    MapRightKey("ProblemId"));
+        }
+    }
+}

LeetcodeManager/Controller/ProblemInputController.cs

@@ -0,0 +1,57 @@
+using LeetcodeManager.Entity;
+using LeetcodeManager.Lib;
+using System;
+using System.Collections.Generic;
+using System.Data.Entity;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LeetcodeManager.DAL
+{
+    public class ProblemDAL:BaseDAL
+    {
+        public IEnumerable<Tag> QueryAllTags()
+        {
+            DbSet<Tag> tags = _db.Tags;
+            if (tags == null) return new List<Tag>();
+            return tags.AsEnumerable<Tag>();
+        }
+
+        public bool IsNew(Problem problem)
+        {
+            return problem.ProblemId == 0;
+        }
+        public Problem CreateAProblem(Problem problem)
+        {
+            if (!IsNew(problem)) return problem;
+            _db.Problems.Add(problem);
+            _db.SaveChanges();
+            var problems = _db.Problems.OrderByDescending(r => r.ProblemId).AsEnumerable<Problem>();
+            if (!SysHelper.CollectionNullOrEmpty<Problem>(problems))
+                return problems.First();
+            return new Problem();
+        }
+        public void UpdateProblems()
+        {
+            _db.SaveChanges();
+        }
+
+        public void DeleteAProblem(Problem problem)
+        {
+            _db.Problems.Remove(problem);
+            _db.SaveChanges();
+        }
+
+        public void DeleteProblems(IList<Problem> problems)
+        {
+            int cnt = problems.Count();
+            for(int i=0;i<cnt;i++)
+            {
+                _db.Problems.Remove(problems[i]);
+            }
+            _db.SaveChanges();
+        }
+
+    }
+}

LeetcodeManager/Controller/TagInputController.cs

@@ -0,0 +1,64 @@
+using LeetcodeManager.Entity;
+using LeetcodeManager.Lib;
+using System;
+using System.Collections.Generic;
+using System.Data.Entity;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LeetcodeManager.DAL
+{
+    public class TagDAL:BaseDAL
+    {
+        public IEnumerable<Tag> QueryAllTags()
+        {
+            DbSet<Tag> tags = _db.Tags;
+            if (tags == null) return new List<Tag>();
+            return tags.AsEnumerable<Tag>();
+        }
+        public Tag QueryTagByName(string name)
+        {
+            DbSet<Tag> tags = _db.Tags;
+            if (tags == null) return new Tag();
+            return tags.FirstOrDefault(r => r.Name == name);
+        }
+
+        public Tag QueryTagById(int id)
+        {
+            DbSet<Tag> tags = _db.Tags;
+            if (tags == null) return new Tag();
+            return tags.FirstOrDefault(r => r.TagId == id);
+        }
+
+        public bool IsNew(Tag tag)
+        {
+            return tag.TagId == 0;
+        }
+
+        public Tag CreateATag(Tag tag)
+        {
+            if (!IsNew(tag)) return tag;
+            _db.Tags.Add(tag);
+            _db.SaveChanges();
+            var tags = _db.Tags.OrderByDescending(r => r.TagId).AsEnumerable<Tag>();
+            if (!SysHelper.CollectionNullOrEmpty<Tag>(tags))
+                return tags.First();
+            return new Tag();
+        }
+
+        public void DeleteATag(Tag tag)
+        {
+            _db.Tags.Remove(tag);
+            _db.SaveChanges();
+        }
+
+        public void UpdateATagName(Tag tag)
+        {
+            Tag tagdb = _db.Tags.FirstOrDefault(r => r.TagId == tag.TagId);
+            if (tag != null)
+                tagdb.Name = tag.Name;
+            _db.SaveChanges();
+        }
+    }
+}

LeetcodeManager/DAL/BaseDAL.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LeetcodeManager.Entity
+{
+    public class Problem
+    {
+        public int ProblemId { get; set; }
+        [MaxLength(50)]
+        [Required(ErrorMessage = "Title is required.")]
+        public string Title { get; set; }
+        public string LtUrl { get; set; }
+        public string CsdnAddress { get; set; }
+        public string Content { get; set; }
+        public virtual IList<Tag> Tags { get; set; }
+    }
+}

LeetcodeManager/DAL/MyDb.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Data.Entity;
+using System.ComponentModel.DataAnnotations;
+
+namespace LeetcodeManager.Entity
+{
+    public class Tag
+    {
+        public int TagId { get; set; }
+        [MaxLength(30)]
+        public string Name { get; set; }
+
+        public virtual IList<Problem> Problems { get; set; }
+    }
+}