graphql go

Author: codeyu

Scripts/graphql/.vscode/launch.json

@@ -0,0 +1,26 @@
+{
+    // 使用 IntelliSense 了解相关属性。 
+    // 悬停以查看现有属性的描述。
+    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": ".NET Core Launch (console)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            "program": "${workspaceFolder}/bin/Debug/netcoreapp2.0/graphql.dll",
+            "args": ["243"],
+            "cwd": "${workspaceFolder}",
+            "console": "internalConsole",
+            "stopAtEntry": false,
+            "internalConsoleOptions": "openOnSessionStart"
+        },
+        {
+            "name": ".NET Core Attach",
+            "type": "coreclr",
+            "request": "attach",
+            "processId": "${command:pickProcess}"
+        }
+    ]
+}

Scripts/graphql/.vscode/tasks.json

@@ -0,0 +1,15 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "build",
+                "${workspaceFolder}/graphql.csproj"
+            ],
+            "problemMatcher": "$msCompile"
+        }
+    ]
+}

Scripts/graphql/ILeetcode.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Threading.Tasks;
+using Refit;
+namespace graphql
+{
+    public interface ILeetcode
+    {
+         [Get("/api/problems/all")]
+         Task<QuestionStat> GetAllQuestionStat();
+    }
+}

Scripts/graphql/Leetcode.cs

@@ -1,11 +1,50 @@
 using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using GraphQL.Client;
+using GraphQL.Common.Request;
+using Newtonsoft.Json;
+using Refit;
 namespace graphql
 {
     public class Leetcode
     {
-        public void GetAll()
+        public string BaseUrl => "https://leetcode.com";
+        public async Task<QuestionStat> GetAllAsync()
         {
-            var url = "https://leetcode.com/api/problems/all/";
+            var leetcodeApi = RestService.For<ILeetcode>(BaseUrl);
+
+            var questionStat = await leetcodeApi.GetAllQuestionStat();
+            return questionStat;
+        }
+
+        public async Task<QuestionDetail> GetLeetcodeAsync(string titleSlug)
+        {
+            var heroAndFriendsRequest = new GraphQLRequest
+            {
+                Query = @"
+                    query getQuestionDetail($titleSlug: String!) {
+                    question(titleSlug: $titleSlug) {
+                    questionId
+                    questionTitle
+                    questionTitleSlug
+                    content
+                    difficulty
+                    categoryTitle
+                    codeDefinition
+                  }
+                
+                }",
+                OperationName = "getQuestionDetail",
+                Variables = new
+                {
+                    titleSlug = titleSlug
+                }
+            };
+            var graphQLClient = new GraphQLClient($"{BaseUrl}/graphql");
+            var graphQLResponse = await graphQLClient.GetAsync(heroAndFriendsRequest);
+            var questionDetail = graphQLResponse.GetDataFieldAs<QuestionDetail>("question");
+            return questionDetail;   
         }
     }
 }

Scripts/graphql/Program.cs

@@ -1,54 +1,50 @@
 using System;
-using GraphQL.Client;
-using GraphQL.Common.Request;
 using System.Threading.Tasks;
 using System.Collections.Generic;
 using Newtonsoft.Json;
-
+using System.Linq;
 namespace graphql
 {
     class Program
     {
+        private static readonly Leetcode lc = new Leetcode();
         static void Main(string[] args)
         {
-            try
+            var questionId = 0L;
+            if(args.Length > 0)
             {
-                GetLeetcodeAsync().Wait();
+                long.TryParse(args[0], out questionId);
             }
-            catch (Exception ex)
+            if(questionId <= 0)
             {
-                Console.WriteLine($"There was an exception: {ex.ToString()}");
+                var s = "";
+                do  
+                {
+                    Console.WriteLine("Please enter a QuestionId:");
+                    s = Console.ReadLine();
+                    long.TryParse(s, out questionId);
+                
+                } while (questionId <= 0);
             }
-        }
-        static private async Task GetLeetcodeAsync()
-        {
-            var heroAndFriendsRequest = new GraphQLRequest
+            try
             {
-                Query = @"
-                    query getQuestionDetail($titleSlug: String!) {
-                    question(titleSlug: $titleSlug) {
-                    questionId
-                    questionTitle
-                    questionTitleSlug
-                    content
-                    difficulty
-                    categoryTitle
-                    codeDefinition
-                  }
-                
-                }",
-                OperationName = "getQuestionDetail",
-                Variables = new
+                var questionStat = lc.GetAllAsync().Result;
+                if(questionStat != null && questionStat.StatStatusPairs.Any())
                 {
-                    titleSlug = "house-robber"
+                    var statStatusPair = questionStat.StatStatusPairs.Where(x=>x.Stat.QuestionId==questionId).FirstOrDefault();
+                    if(statStatusPair != null)
+                    {
+                        var QuestionDetail = lc.GetLeetcodeAsync(statStatusPair.Stat.QuestionTitleSlug).Result;
+                        Console.WriteLine(QuestionDetail.ToJson());
+                    }
                 }
-            };
-            var graphQLClient = new GraphQLClient("https://leetcode.com/graphql");
-            var graphQLResponse = await graphQLClient.GetAsync(heroAndFriendsRequest);
-            var questionDetail = graphQLResponse.GetDataFieldAs<QuestionDetail>("question");
-            Console.WriteLine(questionDetail.ToJson());
-            var codeDefinitions = JsonConvert.DeserializeObject<List<CodeDefinition>>(questionDetail.CodeDefinition);
-            Console.WriteLine(codeDefinitions[0].ToJson());
+                
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"There was an exception: {ex.ToString()}");
+            }
         }
+        
     }
 }

Scripts/graphql/QuestionDetail.cs

@@ -28,6 +28,10 @@ public partial class QuestionDetail
 
         [JsonProperty("codeDefinition")]
         public string CodeDefinition { get; set; }
+
+        [JsonProperty("questionDetailUrl")]
+        public string QuestionDetailUrl{get;set;}
+        public List<CodeDefinition> CodeDefinitions => JsonConvert.DeserializeObject<List<CodeDefinition>>(CodeDefinition);
     }
 
     public partial class QuestionDetail

Scripts/graphql/graphql.csproj

@@ -8,6 +8,7 @@
   <ItemGroup>
     <PackageReference Include="GraphQL.Client" Version="1.0.3" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="refit" Version="4.3.0" />
   </ItemGroup>
 
 </Project>