add commit message command

src/commandManager.ts

@@ -2,7 +2,7 @@ export interface Command {
     name: string;
     pattern: string;
     description: string;
-    handler: (userInput: string) => string;
+    handler: (userInput: string) => Promise<string>;
   }
   
   class CommandManager {
@@ -27,21 +27,34 @@ export interface Command {
       return this.commands;
     }
   
-    processText(text: string): string {
-      let result = text;
+    async processText(text: string): Promise<string> {
+        // 定义一个异步函数来处理单个命令
+        const processCommand = async (commandObj: Command, userInput: string) => {
+          const commandPattern = new RegExp(
+            `\\/(${commandObj.pattern.replace('{{prompt}}', '(.+?)')})`,
+            'g'
+          );
+          const matches = Array.from(text.matchAll(commandPattern));
+          const replacements = await Promise.all(
+            matches.map(async (match) => {
+              const matchedUserInput = match[1];
+              return await commandObj.handler(matchedUserInput);
+            })
+          );
+          let result = text;
+          for (let i = 0; i < matches.length; i++) {
+            result = result.replace(matches[i][0], replacements[i]);
+          }
+          return result;
+        };
       
-      this.commands.forEach((commandObj) => {
-        const commandPattern = new RegExp(
-          `\\/(${commandObj.pattern.replace("{{prompt}}", "(.+?)")})`,
-          "g"
-        );
+        // 处理所有命令
+        let result = text;
+        for (const commandObj of this.commands) {
+          result = await processCommand(commandObj, result);
+        }
       
-        result = result.replace(commandPattern, (_, matchedUserInput) => {
-          return commandObj.handler(matchedUserInput);
-        });
-      });
-  
-      return result;
+        return result;
     }  
   }
   

src/commitMessageCommand.ts

@@ -0,0 +1,58 @@
+import {Command} from './commandManager';
+
+import { exec } from 'child_process';
+import * as vscode from 'vscode';
+
+import * as fs from 'fs';
+import * as os from 'os';
+import * as path from 'path';
+import { promisify } from 'util';
+
+const mkdirAsync = promisify(fs.mkdir);
+const execAsync = promisify(exec);
+const writeFileAsync = promisify(fs.writeFile);
+
+
+async function createTempDirectory(tempDir: string): Promise<void> {
+    try {
+        await mkdirAsync(tempDir, {recursive: true});
+    } catch (err) {
+        console.error(`Error creating temporary directory: ${err}`);
+    }
+}
+
+async function writeDiffFile(diff_file: string) {
+    try {
+        const workspaceDir = vscode.workspace.workspaceFolders?.[0].uri.fsPath;
+    
+        const { stdout, stderr } = await execAsync('git diff --cached', {
+            cwd: workspaceDir
+          });
+        if (stderr) {
+            console.error(`Error output from git diff --cached: ${stderr}`);
+            return;
+        }
+        // 将结果写入到临时文件中
+        const tempFilePath = diff_file;
+        await writeFileAsync(tempFilePath, stdout);
+    } catch (err) {
+        console.error(`Error executing git diff --cached: ${err}`);
+    }
+}
+
+export const commitMessageCommand: Command = {
+  name: 'commitMessageCommand',
+  pattern: 'git: commit message',
+  description: 'commit message for changes',
+  handler: async (userInput: string) => {
+    const systemTempDir = os.tmpdir();
+    const tempDir = path.join(systemTempDir, 'devchat/context');
+
+    // 创建临时目录
+    await createTempDirectory(tempDir);
+    const diff_file = path.join(tempDir, 'diff_output.txt');
+    await writeDiffFile(diff_file);
+
+    return `[instruction|./commonInstructions.txt] [instruction|./commitMessageCommandInstructions.txt] [context|${diff_file}] Write a commit message`;
+  },
+};

src/commitMessageCommandInstructions.txt

@@ -0,0 +1,9 @@
+As a software developer assistant, your task is to provide clear and concise responses and write commit messages based on given code, requirements, or conversations. Follow these guidelines:
+
+1. A commit message should include a title and multiple body lines.
+2. Adhere to best practices, such as keeping titles under 50 characters and limiting body lines to under 72 characters.
+3. Enclose messages in code blocks using triple backticks (```).
+4. Utilize the <context>, if provided, to create the summary.
+5. Utilize the previous messages, if provided in the end of this prompt, to create the summary. Note that not all previous messages are necessarily relevant.
+
+If you need more information, feel free to ask.

src/commonInstructions.txt

@@ -0,0 +1 @@
+You are a software developer assistant

src/exampleCommand1.ts

@@ -4,7 +4,7 @@ export const exampleCommand1: Command = {
   name: 'exampleCommand1',
   pattern: 'example: command1 {{prompt}}',
   description: '这是一个示例命令1',
-  handler: (userInput: string) => {
+  handler: async (userInput: string) => {
     return `示例命令1处理了以下文本：${userInput}`;
   },
 };

src/exampleCommand2.ts

@@ -4,7 +4,7 @@ export const exampleCommand2: Command = {
   name: 'exampleCommand2',
   pattern: 'example: command2 {{prompt}}',
   description: '这是一个示例命令2',
-  handler: (userInput: string) => {
+  handler: async (userInput: string) => {
     return `示例命令2处理了以下文本：${userInput}`;
   },
 };

src/loadCommands.ts

@@ -1,9 +1,11 @@
 import CommandManager from './commandManager';
 import { exampleCommand1 } from './exampleCommand1';
 import { exampleCommand2 } from './exampleCommand2';
+import { commitMessageCommand } from './commitMessageCommand';
 
 const commandManager = CommandManager.getInstance();
 
 // 注册命令
 commandManager.registerCommand(exampleCommand1);
 commandManager.registerCommand(exampleCommand2);
+commandManager.registerCommand(commitMessageCommand);

src/messageHandler.ts

@@ -41,19 +41,43 @@ export function askAI(panel: vscode.WebviewPanel, codeBlock: string, question: s
 }
 
 // Add this function to messageHandler.ts
-function parseMessageForContext(message: string): { context: string[]; text: string } {
+function parseMessage(message: string): { context: string[]; instruction: string[]; reference: string[]; text: string } {
   const contextRegex = /\[context\|(.*?)\]/g;
+  const instructionRegex = /\[instruction\|(.*?)\]/g;
+  const referenceRegex = /\[reference\|(.*?)\]/g;
+
   const contextPaths = [];
+  const instructionPaths = [];
+  const referencePaths = [];
+
   let match;
 
+  // 提取 context
   while ((match = contextRegex.exec(message)) !== null) {
     contextPaths.push(match[1]);
   }
 
-  const text = message.replace(contextRegex, '').trim();
-  return { context: contextPaths, text };
+  // 提取 instruction
+  while ((match = instructionRegex.exec(message)) !== null) {
+    instructionPaths.push(match[1]);
+  }
+
+  // 提取 reference
+  while ((match = referenceRegex.exec(message)) !== null) {
+    referencePaths.push(match[1]);
+  }
+
+  // 移除标签，保留纯文本
+  const text = message
+    .replace(contextRegex, '')
+    .replace(instructionRegex, '')
+    .replace(referenceRegex, '')
+    .trim();
+
+  return { context: contextPaths, instruction: instructionPaths, reference: referencePaths, text };
 }
 
+
 async function handleMessage(
   message: any,
   panel: vscode.WebviewPanel
@@ -63,12 +87,21 @@ async function handleMessage(
 
   switch (message.command) {
     case 'sendMessage':
-      const parsedMessage = parseMessageForContext(message.text);
+      const newText2 = await CommandManager.getInstance().processText(message.text);
+      panel.webview.postMessage({ command: 'convertCommand', result: newText2 });
+
+      const parsedMessage = parseMessage(newText2);
       const chatOptions: any = lastPromptHash ? { parent: lastPromptHash } : {};
 
       if (parsedMessage.context.length > 0) {
         chatOptions.context = parsedMessage.context;
       }
+      if (parsedMessage.instruction.length > 0) {
+        chatOptions.instruction = parsedMessage.instruction;
+      }
+      if (parsedMessage.reference.length > 0) {
+        chatOptions.reference = parsedMessage.reference;
+      }
 
       let partialData = "";
       const onData = (partialResponse: string) => {
@@ -112,7 +145,7 @@ async function handleMessage(
       panel.webview.postMessage({ command: 'regCommandList', result: commandList });
       return;
     case 'convertCommand':
-      const newText = CommandManager.getInstance().processText(message.text);
+      const newText = await CommandManager.getInstance().processText(message.text);
       panel.webview.postMessage({ command: 'convertCommand', result: newText });
       return;
   }