17 files changed, 426 insertions, 63 deletions
diff --git a/.gitignore b/.gitignore
index c7fcf38..4f5cc0e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 docker-compose.yaml
 mailserver.env
+crupest-api-config.json
 data
 nginx-config
+log
 __pycache__
diff --git a/docker/auto-backup/AutoBackup/.dockerignore b/docker/auto-backup/AutoBackup/.dockerignore
new file mode 100644
index 0000000..7de5508
--- /dev/null
+++ b/docker/auto-backup/AutoBackup/.dockerignore
@@ -0,0 +1,2 @@
+obj
+bin
diff --git a/docker/crupest-api/CrupestApi/.dockerignore b/docker/crupest-api/CrupestApi/.dockerignore
new file mode 100644
index 0000000..7de5508
--- /dev/null
+++ b/docker/crupest-api/CrupestApi/.dockerignore
@@ -0,0 +1,2 @@
+obj
+bin
diff --git a/docker/crupest-api/CrupestApi/.gitignore b/docker/crupest-api/CrupestApi/.gitignore
new file mode 100644
index 0000000..7de5508
--- /dev/null
+++ b/docker/crupest-api/CrupestApi/.gitignore
@@ -0,0 +1,2 @@
+obj
+bin
diff --git a/docker/crupest-api/CrupestApi/Config/TodosConfiguration.cs b/docker/crupest-api/CrupestApi/Config/TodosConfiguration.cs
new file mode 100644
index 0000000..68f893a
--- /dev/null
+++ b/docker/crupest-api/CrupestApi/Config/TodosConfiguration.cs
@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace CrupestApi.Config
+{
+    public class TodoConfiguration
+    {
+        [Required]
+        public string Username { get; set; } = default!;
+        [Required]
+        public int ProjectNumber { get; set; } = default!;
+        [Required]
+        public string Token { get; set; } = default!;
+        public int? Count { get; set; }
+    }
+}
+\ No newline at end of file
diff --git a/docker/crupest-api/CrupestApi/CrupestApi.csproj b/docker/crupest-api/CrupestApi/CrupestApi.csproj
new file mode 100644
index 0000000..4348979
--- /dev/null
+++ b/docker/crupest-api/CrupestApi/CrupestApi.csproj
@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/docker/crupest-api/CrupestApi/Program.cs b/docker/crupest-api/CrupestApi/Program.cs
new file mode 100644
index 0000000..c62bf4d
--- /dev/null
+++ b/docker/crupest-api/CrupestApi/Program.cs
@@ -0,0 +1,160 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.Json;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Net.Mime;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Console;
+using Microsoft.AspNetCore.Http;
+using CrupestApi.Config;
+
+public class TodoItem
+{
+    public string Status { get; set; } = default!;
+    public string Title { get; set; } = default!;
+}
+
+internal class Program
+{
+    private static void Main(string[] args)
+    {
+        using var httpClient = new HttpClient();
+
+        var builder = WebApplication.CreateBuilder(args);
+
+        string configFilePath = Environment.GetEnvironmentVariable("CRUPEST_API_CONFIG_FILE") ?? "/config.json";
+
+        builder.Configuration.AddJsonFile(configFilePath, optional: false, reloadOnChange: true);
+
+        string? logFilePath = Environment.GetEnvironmentVariable("CRUPEST_API_LOG_FILE");
+        if (logFilePath is not null)
+        {
+            // TODO: Log to file.
+            builder.Logging.AddSimpleConsole(logger =>
+            {
+                logger.ColorBehavior = LoggerColorBehavior.Disabled;
+            });
+        }
+
+        var app = builder.Build();
+
+        app.MapGet("/api/todos", async ([FromServices] IConfiguration configuration, [FromServices] ILoggerFactory loggerFactory) =>
+        {
+            var logger = loggerFactory.CreateLogger("CrupestApi.Todos");
+
+            static string CreateGraphQLQuery(TodoConfiguration todoConfiguration)
+            {
+                return $$"""
+{
+    user(login: "{{todoConfiguration.Username}}") {
+        projectV2(number: {{todoConfiguration.ProjectNumber}}) {
+          items(last: {{todoConfiguration.Count ?? 20}}) {
+            nodes {
+              __typename
+              content {
+                __typename
+                ... on Issue {
+                  title
+                  closed
+                }
+                ... on PullRequest {
+                  title
+                  closed
+                }
+                ... on DraftIssue {
+                  title
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+""";
+            }
+
+            var todoConfiguration = configuration.GetSection("Todos").Get<TodoConfiguration>();
+            if (todoConfiguration is null)
+            {
+                throw new Exception("Fail to get todos configuration.");
+            }
+
+            using var requestContent = new StringContent(JsonSerializer.Serialize(new
+            {
+                query = CreateGraphQLQuery(todoConfiguration)
+            }));
+            requestContent.Headers.ContentType = new MediaTypeHeaderValue(MediaTypeNames.Application.Json, Encoding.UTF8.WebName);
+
+            using var request = new HttpRequestMessage(HttpMethod.Post, "https://api.github.com/graphql");
+            request.Content = requestContent;
+            request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", todoConfiguration.Token);
+
+            using var response = await httpClient.SendAsync(request);
+            var responseBody = await response.Content.ReadAsStringAsync();
+            logger.LogInformation(response.StatusCode.ToString());
+            logger.LogInformation(responseBody);
+
+
+            if (response.IsSuccessStatusCode)
+            {
+                using var responseJson = JsonSerializer.Deserialize<JsonDocument>(responseBody);
+                if (responseJson is null)
+                {
+                    throw new Exception("Fail to deserialize response body.");
+                }
+
+                var nodes = responseJson.RootElement.GetProperty("data").GetProperty("user").GetProperty("projectV2").GetProperty("items").GetProperty("nodes").EnumerateArray();
+
+                var result = new List<TodoItem>();
+
+                foreach (var node in nodes)
+                {
+                    var content = node.GetProperty("content");
+                    var title = content.GetProperty("title").GetString();
+                    if (title is null)
+                    {
+                        throw new Exception("Fail to get title.");
+                    }
+                    JsonElement closedElement;
+                    bool closed;
+                    if (content.TryGetProperty("closed", out closedElement))
+                    {
+                        closed = closedElement.GetBoolean();
+                    }
+                    else
+                    {
+                        closed = false;
+                    }
+
+                    result.Add(new TodoItem
+                    {
+                        Title = title,
+                        Status = closed ? "Done" : "Todo"
+                    });
+                }
+
+                return Results.Json(result, new JsonSerializerOptions
+                {
+                    PropertyNamingPolicy = JsonNamingPolicy.CamelCase
+                }, statusCode: 200);
+            }
+            else
+            {
+                const string message = "Fail to get todos from GitHub.";
+                logger.LogError(message);
+
+                return Results.Json(new
+                {
+                    message
+                }, statusCode: StatusCodes.Status503ServiceUnavailable);
+            }
+        });
+
+        app.Run();
+    }
+}
+\ No newline at end of file
diff --git a/docker/crupest-api/CrupestApi/Properties/launchSettings.json b/docker/crupest-api/CrupestApi/Properties/launchSettings.json
new file mode 100644
index 0000000..01f2a12
--- /dev/null
+++ b/docker/crupest-api/CrupestApi/Properties/launchSettings.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "dev": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "applicationUrl": "http://localhost:5188",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}
+\ No newline at end of file
diff --git a/docker/crupest-api/CrupestApi/appsettings.json b/docker/crupest-api/CrupestApi/appsettings.json
new file mode 100644
index 0000000..53753bd
--- /dev/null
+++ b/docker/crupest-api/CrupestApi/appsettings.json
@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information"
+    }
+  },
+  "AllowedHosts": "*"
+}
+\ No newline at end of file
diff --git a/docker/crupest-api/Dockerfile b/docker/crupest-api/Dockerfile
new file mode 100644
index 0000000..ba7d75b
--- /dev/null
+++ b/docker/crupest-api/Dockerfile
@@ -0,0 +1,13 @@
+FROM mcr.microsoft.com/dotnet/sdk:7.0-alpine AS build
+COPY CrupestApi /CrupestApi
+WORKDIR /CrupestApi
+RUN dotnet publish CrupestApi.csproj --configuration Release --output ./publish/ -r linux-x64 --self-contained false
+
+FROM mcr.microsoft.com/dotnet/aspnet:7.0-alpine
+ENV ASPNETCORE_URLS=http://0.0.0.0:5000
+ENV ASPNETCORE_FORWARDEDHEADERS_ENABLED=true
+COPY --from=build /CrupestApi/publish /CrupestApi
+WORKDIR /CrupestApi
+VOLUME [ "/config.json" ]
+EXPOSE 5000
+ENTRYPOINT ["dotnet", "CrupestApi.dll"]
diff --git a/template/crupest-api-config.json.template b/template/crupest-api-config.json.template
new file mode 100644
index 0000000..fc5eb85
--- /dev/null
+++ b/template/crupest-api-config.json.template
@@ -0,0 +1,8 @@
+{
+    "Todos": {
+        "Username": "$CRUPEST_GITHUB_USERNAME",
+        "ProjectNumber": "$CRUPEST_GITHUB_PROJECT_NUMBER",
+        "Token": "$CRUPEST_GITHUB_TOKEN",
+        "Count": "$CRUPEST_GITHUB_TODO_COUNT"
+    }
+}
diff --git a/template/nginx/reverse-proxy.conf.template b/template/nginx/reverse-proxy.conf.template
index 81ba1e9..99184e0 100644
--- a/template/nginx/reverse-proxy.conf.template
+++ b/template/nginx/reverse-proxy.conf.template
@@ -8,7 +8,6 @@ server {
     server_name ${CRUPEST_NGINX_SUBDOMAIN}.${CRUPEST_DOMAIN};
 
     location / {
-        proxy_cache off;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection $connection_upgrade;
diff --git a/template/nginx/root.conf.template b/template/nginx/root.conf.template
index 8214bf7..110def4 100644
--- a/template/nginx/root.conf.template
+++ b/template/nginx/root.conf.template
@@ -1,9 +1,24 @@
+upstream crupest-api {
+    server crupest-api:5000
+}
+
 server {
     listen 443 ssl http2;
     listen [::]:443 ssl http2;
     server_name ${CRUPEST_DOMAIN};
 
     root /srv/www;
+
+    location /api {
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection $connection_upgrade;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_pass http://crupest-api;
+    }
 }
 
 server {
diff --git a/tool/aio.py b/tool/aio.py
index 8ccaab9..5498141 100755
--- a/tool/aio.py
+++ b/tool/aio.py
@@ -2,8 +2,6 @@
 
 import os
 import os.path
-import pwd
-import grp
 import sys
 import argparse
 import shutil
@@ -14,6 +12,7 @@ from modules.path import *
 from modules.template import Template
 from modules.nginx import *
 from modules.configfile import *
+from modules.config import *
 
 console = Console()
 
@@ -248,57 +247,6 @@ console.print(
 for filename in template_name_list:
     console.print(f"- [magenta]{filename}.template[/]")
 
-
-class ConfigVar:
-    def __init__(self, name: str, description: str, default_value_generator, /, default_value_for_ask=None):
-        """Create a config var.
-
-        Args:
-            name (str): The name of the config var.
-            description (str): The description of the config var.
-            default_value_generator (typing.Callable([], str) | str): The default value generator of the config var. If it is a string, it will be used as the input prompt and let user input the value.
-        """
-        self.name = name
-        self.description = description
-        self.default_value_generator = default_value_generator
-        self.default_value_for_ask = default_value_for_ask
-
-    def get_default_value(self):
-        if isinstance(self.default_value_generator, str):
-            return Prompt.ask(self.default_value_generator, console=console, default=self.default_value_for_ask)
-        else:
-            return self.default_value_generator()
-
-
-config_var_list: list = [
-    ConfigVar("CRUPEST_DOMAIN", "domain name",
-              "Please input your domain name"),
-    ConfigVar("CRUPEST_EMAIL", "admin email address",
-              "Please input your email address"),
-    ConfigVar("CRUPEST_USER", "your system account username",
-              lambda: pwd.getpwuid(os.getuid()).pw_name),
-    ConfigVar("CRUPEST_GROUP", "your system account group name",
-              lambda: grp.getgrgid(os.getgid()).gr_name),
-    ConfigVar("CRUPEST_UID", "your system account uid",
-              lambda: str(os.getuid())),
-    ConfigVar("CRUPEST_GID", "your system account gid",
-              lambda: str(os.getgid())),
-    ConfigVar("CRUPEST_HALO_DB_PASSWORD",
-              "password for halo h2 database, once used never change it", lambda: os.urandom(8).hex()),
-    ConfigVar("CRUPEST_IN_CHINA",
-              "set to true if you are in China, some network optimization will be applied", lambda: "false"),
-    ConfigVar("CRUPEST_AUTO_BACKUP_COS_SECRET_ID",
-              "access key id for Tencent COS, used for auto backup", "Please input your Tencent COS access key id for backup"),
-    ConfigVar("CRUPEST_AUTO_BACKUP_COS_SECRET_KEY",
-              "access key secret for Tencent COS, used for auto backup", "Please input your Tencent COS access key for backup"),
-    ConfigVar("CRUPEST_AUTO_BACKUP_COS_REGION",
-              "region for Tencent COS, used for auto backup", "Please input your Tencent COS region for backup", "ap-hongkong"),
-    ConfigVar("CRUPEST_AUTO_BACKUP_BUCKET_NAME",
-              "bucket name for Tencent COS, used for auto backup", "Please input your Tencent COS bucket name for backup")
-]
-
-config_var_name_set = set([config_var.name for config_var in config_var_list])
-
 template_list: list = []
 config_var_name_set_in_template = set()
 for template_path in os.listdir(template_dir):
@@ -315,17 +263,24 @@ for key in config_var_name_set_in_template:
 console.print("")
 
 # check vars
-if not config_var_name_set_in_template == config_var_name_set:
-    console.print(
-        "The variables needed in templates are not same to the explicitly declared ones! There must be something wrong.", style="red")
-    console.print("The explicitly declared ones are:")
-    for key in config_var_name_set:
-        console.print(key, end=" ", style="magenta")
+check_success, more, less = check_config_var_set(
+    config_var_name_set_in_template)
+if len(more) != 0:
+    console.print("There are more variables in templates than in config file:",
+                  style="red")
+    for key in more:
+        console.print(key, style="magenta")
+if len(less) != 0:
+    console.print("However, following config vars are not used:",
+                  style="yellow")
+    for key in less:
+        console.print(key, style="magenta")
+
+if not check_success:
     console.print(
-        "\nTry to check template files and edit the var list at the head of this script. Aborted! See you next time!")
+        "Please check you config vars and make sure the needed ones are defined!", style="red")
     exit(1)
 
-
 console.print("Now let's check if they are already generated...")
 
 conflict = False
@@ -388,7 +343,7 @@ else:
         console.print(
             "Oops! It seems you have missed some keys in your config file. Let's add them!", style="green")
         for config_var in missed_config_vars:
-            config[config_var.name] = config_var.get_default_value()
+            config[config_var.name] = config_var.get_default_value(console)
         content = config_to_str(config)
         with open(config_file_path, "w") as f:
             f.write(content)
diff --git a/tool/modules/config.py b/tool/modules/config.py
new file mode 100644
index 0000000..37ad996
--- /dev/null
+++ b/tool/modules/config.py
@@ -0,0 +1,75 @@
+from rich.prompt import Prompt
+import pwd
+import grp
+import os
+
+
+class ConfigVar:
+    def __init__(self, name: str, description: str, default_value_generator, /, default_value_for_ask=None):
+        """Create a config var.
+
+        Args:
+            name (str): The name of the config var.
+            description (str): The description of the config var.
+            default_value_generator (typing.Callable([], str) | str): The default value generator of the config var. If it is a string, it will be used as the input prompt and let user input the value.
+        """
+        self.name = name
+        self.description = description
+        self.default_value_generator = default_value_generator
+        self.default_value_for_ask = default_value_for_ask
+
+    def get_default_value(self, /, console):
+        if isinstance(self.default_value_generator, str):
+            return Prompt.ask(self.default_value_generator, console=console, default=self.default_value_for_ask)
+        else:
+            return self.default_value_generator()
+
+
+config_var_list: list = [
+    ConfigVar("CRUPEST_DOMAIN", "domain name",
+              "Please input your domain name"),
+    ConfigVar("CRUPEST_EMAIL", "admin email address",
+              "Please input your email address"),
+    ConfigVar("CRUPEST_USER", "your system account username",
+              lambda: pwd.getpwuid(os.getuid()).pw_name),
+    ConfigVar("CRUPEST_GROUP", "your system account group name",
+              lambda: grp.getgrgid(os.getgid()).gr_name),
+    ConfigVar("CRUPEST_UID", "your system account uid",
+              lambda: str(os.getuid())),
+    ConfigVar("CRUPEST_GID", "your system account gid",
+              lambda: str(os.getgid())),
+    ConfigVar("CRUPEST_HALO_DB_PASSWORD",
+              "password for halo h2 database, once used never change it", lambda: os.urandom(8).hex()),
+    ConfigVar("CRUPEST_IN_CHINA",
+              "set to true if you are in China, some network optimization will be applied", lambda: "false"),
+    ConfigVar("CRUPEST_AUTO_BACKUP_COS_SECRET_ID",
+              "access key id for Tencent COS, used for auto backup", "Please input your Tencent COS access key id for backup"),
+    ConfigVar("CRUPEST_AUTO_BACKUP_COS_SECRET_KEY",
+              "access key secret for Tencent COS, used for auto backup", "Please input your Tencent COS access key for backup"),
+    ConfigVar("CRUPEST_AUTO_BACKUP_COS_REGION",
+              "region for Tencent COS, used for auto backup", "Please input your Tencent COS region for backup", "ap-hongkong"),
+    ConfigVar("CRUPEST_AUTO_BACKUP_BUCKET_NAME",
+              "bucket name for Tencent COS, used for auto backup", "Please input your Tencent COS bucket name for backup"),
+    ConfigVar("CRUPEST_GITHUB_USERNAME",
+              "github username for fetching todos", "Please input your github username for fetching todos", "crupest"),
+    ConfigVar("CRUPEST_GITHUB_PROJECT_NUMBER",
+              "github project number for fetching todos", "Please input your github project number for fetching todos", "2"),
+    ConfigVar("CRUPEST_GITHUB_TOKEN",
+              "github token for fetching todos", "Please input your github token for fetching todos"),
+    ConfigVar("CRUPEST_GITHUB_TODO_COUNT",
+              "github todo count", "Please input your github todo count", 10),
+]
+
+config_var_name_set = set([config_var.name for config_var in config_var_list])
+
+
+def check_config_var_set(needed_config_var_set: set):
+    more = []
+    less = []
+    for var_name in needed_config_var_set:
+        if var_name not in config_var_name_set:
+            more.append(var_name)
+    for var_name in config_var_name_set:
+        if var_name not in needed_config_var_set:
+            less.append(var_name)
+    return (True if len(more) == 0 else False, more, less)
diff --git a/tool/modules/path.py b/tool/modules/path.py
index 5d9aa3a..c4cf35b 100644
--- a/tool/modules/path.py
+++ b/tool/modules/path.py
@@ -1,3 +1,4 @@
+import os
 import os.path
 
 script_dir = os.path.relpath(os.path.dirname(__file__))
@@ -9,3 +10,8 @@ data_dir = os.path.join(project_dir, "data")
 tool_dir = os.path.join(project_dir, "tool")
 config_file_path = os.path.join(data_dir, "config")
 nginx_config_dir = os.path.join(project_dir, "nginx-config")
+log_dir = os.path.join(project_dir, "log")
+
+def ensure_log_dir():
+    if not os.path.exists(log_dir):
+        os.mkdir(log_dir)
diff --git a/tool/test-crupest-api.py b/tool/test-crupest-api.py
new file mode 100755
index 0000000..5cd461d
--- /dev/null
+++ b/tool/test-crupest-api.py
@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+
+import subprocess
+import os
+import sys
+from os.path import *
+import signal
+from modules.path import *
+import time
+from rich.console import Console
+from urllib.request import urlopen
+from http.client import *
+import json
+
+console = console = Console()
+
+ensure_log_dir()
+
+dotnet_project = join(project_dir, "docker", "crupest-api", "CrupestApi")
+dotnet_log_path = abspath(join(log_dir, "crupest-api-log"))
+dotnet_config_path = abspath(join(project_dir, "crupest-api-config.json"))
+
+os.environ["CRUPEST_API_CONFIG_FILE"] = dotnet_log_path
+os.environ["CRUPEST_API_LOG_FILE"] = dotnet_config_path
+
+popen = subprocess.Popen(
+    ["dotnet", "run", "--project", dotnet_project, "--launch-profile", "dev"]
+)
+
+console.print("Sleep for 3s to wait for server startup.")
+time.sleep(3)
+
+
+def do_the_test():
+    res: HTTPResponse = urlopen("http://localhost:5188/api/todos")
+    console.print(res)
+    body = res.read()
+    console.print(body)
+
+    if res.status != 200:
+        raise Exception("Status code is not 200.")
+    result = json.load(body)
+    if not isinstance(result,  list):
+        raise Exception("Result is not an array.")
+    if len(result) == 0:
+        raise Exception("Result is an empty array.")
+    if not isinstance(result[0], dict):
+        raise Exception("Result[0] is not an object.")
+    if not isinstance(result[0].get("title"), str):
+        raise Exception("Result[0].title is not a string.")
+    if not isinstance(result[0].get("status"), str):
+        raise Exception("Result[0].status is not a string.")
+
+
+for i in range(0, 2):
+    console.print(f"Test begin with attempt {i + 1}", style="cyan")
+    try:
+        do_the_test()
+        console.print("Test passed.", style="green")
+        popen.send_signal(signal.SIGTERM)
+        popen.wait()
+        exit(0)
+    except Exception as e:
+        console.print(e)
+        console.print(
+            "Test failed. Try again after sleep for 1s.", style="red")
+        time.sleep(1)
+
+try:
+    console.print(
+        f"Test begin with attempt {i + 2}, also the final one.", style="cyan")
+    do_the_test()
+    console.print("Test passed.", style="green")
+    popen.send_signal(signal.SIGTERM)
+    popen.wait()
+    exit(0)
+except Exception as e:
+    console.print(e)
+    console.print("Final test failed.", style="red")
+    exit(1)