ФТ-201 Шихова, Трусов, Кускова

index.js

@@ -11,15 +11,92 @@ function getFiles() {
     return filePaths.map(path => readFile(path));
 }
 
+function extractTODO() {
+    let comments = [];
+    const todoConst = '//' + ' TODO';
+    for (const fileContent of files) {
+        const lines = fileContent.split('\n');
+        for (const line of lines) {
+            if (line.includes(todoConst)) {
+                comments.push(line.split(todoConst)[1].trim());
+            }
+        }
+    }
+    return comments;
+}
+
+function exctractImportant(comments) {
+    let important = [];
+    for (const comment of comments) {
+        if (comment.includes("!")) {
+            important.push(comment);
+        }
+    }
+    return important;
+}
+
+function filterByUser(user, comments) {
+    const userLowerCase = user.toLowerCase();
+    return comments.filter((comment) => comment.toLowerCase().startsWith(userLowerCase + ';'));
+}
+
+function filterByImportant(comments) {
+    return comments.sort((cmnt1, cmnt2) => cmnt2.split('!').length - cmnt1.split('!').length);
+}
+
+function sortComments(flag, comments) {
+    switch (flag) {
+        case 'importance':
+            return filterByImportant(comments);
+        case 'user':
+            return filterByUsers(comments);
+        case 'date':
+            return filterByDate(comments);
+    }
+}
+
+function filterByDate(comments) {
+    let arr = [];
+    for (const comment of comments) {
+        let date = new Date(comment.split(";")[1]);
+        arr.push({date, comment});
+    }
+    arr.sort((a, b) => b.date - a.date);
+    return arr.map(x => x.comment);
+}
+
+function filterByUsers(comments) {
+    let arr = [];
+    for (const comment of comments) {
+        let username = comment.split(";")[0].toLowerCase();
+        arr.push({username, comment});
+    }
+    arr.sort((a, b) => a.username.localeCompare(b.username));
+    return arr.map(x => x.comment);
+}
+
+
 function processCommand(command) {
-    switch (command) {
+    let [commandName, ...args] = command.split(' ');
+    const comments = extractTODO()
+    switch (commandName) {
         case 'exit':
             process.exit(0);
             break;
+        case 'show':
+            console.log(comments);
+            break;
+        case 'important':
+            console.log(exctractImportant(comments));
+            break;
+        case 'user':
+            console.log(filterByUser(args[0], comments));
+            break;
+        case 'sort':
+            console.log(sortComments(args[0], comments));
+            break;
         default:
             console.log('wrong command');
             break;
     }
-}
-
-// TODO you can do it!
+}