Иванов, Чернышов ФТ-201

index.js

@@ -12,14 +12,128 @@ function getFiles() {
 }
 
 function processCommand(command) {
-    switch (command) {
+    let oper = command.split(" ")[0];
+    let name = command.split(" ")[1];
+    switch (oper) {
         case 'exit':
             process.exit(0);
             break;
+        case 'show':
+            console.log(show(getFiles()));
+            break;
+        case 'important':
+            console.log(exclamationPoint(show(getFiles())));
+            break;
+        case 'user':
+            console.log(names(show(getFiles()), name))
+            break;
+        case 'sort':
+            if (name === "importance") {
+                console.log(getImportantFirst(show(getFiles())));
+            }
+            else if (name === "user"){
+                console.log(getGroupByUsers(show(getFiles())));
+            }
+            else if(name === "date"){
+                console.log(getNewestDates(show(getFiles())));
+            }
+            break;
         default:
             console.log('wrong command');
             break;
     }
 }
 
 // TODO you can do it!
+function show(files) {
+    let arr = []
+    for (let str of files) {
+        for (let s of str.split('\r\n')) {
+            if (s.indexOf("// TODO") !== -1) {
+                arr.push(s.slice(s.indexOf("// TODO")));
+            }
+        }
+    }
+    return arr.slice(0, arr.length - 2);
+}
+
+function exclamationPoint(str) {
+    let arr = [];
+    for (let s of str) {
+        if (s.includes("!")) arr.push(s);
+    }
+    return arr;
+}
+
+function names(str, name) {
+    let arr = [];
+    for (let s of str) {
+        s = s.toLowerCase();
+        if (s.includes(';')) {
+            let b = s.split(";");
+            if (s.includes(name.toLowerCase())) {
+                arr.push(`${b[0].replace('// todo ', )} : ${b[2]}`);
+            }
+        }
+    }
+    return arr;
+}
+
+function getImportantFirst(arr){
+    let mp = new Map();
+    for (const str of arr) {
+        let count = (str.match(/!/g) || []).length;
+        mp.set(str, count);
+    }
+    return new Map([...mp].sort((a, b) => b[1] - a[1])).keys();
+}
+
+function getGroupByUsers(arr){
+    let result = [];
+
+    for (let i = 0; i< arr.length; i++) {
+        arr[i] = arr[i].toLowerCase();
+    }
+    const dictionary = {};
+    let withoutNames = [];
+
+    for (const str of arr) {
+        if (str.includes(';')) {
+            let splstr = str.split(";");
+            if (splstr[0] in dictionary){
+                dictionary[splstr[0]].push(str);
+            } else{
+                dictionary[splstr[0]] = [str];
+            }
+        }
+        else withoutNames.push(str);
+    }
+
+    for (const elem of Object.values(dictionary)) {
+        for (const elemElement of elem) {
+            result.push(elemElement);
+        }
+    }
+    for (const strin of withoutNames) {
+        result.push(strin);
+    }
+
+    return result;
+}
+
+function getNewestDates(arr){
+    let map = new Map();
+    for (let str of arr) {
+        if (str.includes('-')){
+            let date = str.slice(str.indexOf('-') - 4, str.indexOf('-') + 6);
+            map.set(date, str);
+        }
+    }
+    let mapDate =  [...map].sort((a, b) => b[1] - a[1]);
+    for (let arrElement of arr) {
+        if (!(arrElement in mapDate.values())) {
+            mapDate.push(arrElement);
+        }
+    }
+    return mapDate;
+}