From 3549c765e32e62ff6ed91580e18e887c504b9843 Mon Sep 17 00:00:00 2001
From: Anastasia <Black_Renard.069@mail.ru>
Date: Fri, 14 Apr 2023 19:33:09 +0400
Subject: [PATCH] =?UTF-8?q?=D0=93=D0=BE=D1=82=D0=BE=D0=B2=D0=B0=D1=8F=201?=
 =?UTF-8?q?=20=D0=BB=D0=B0=D0=B1.=20=D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=B0.?=
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---
 .../lab/springbapp/SpringbappApplication.java | 92 ++++++++++++++++++-
 .../com/lab/springbapp/WebConfiguration.java  | 12 +++
 2 files changed, 101 insertions(+), 3 deletions(-)
 create mode 100644 src/main/java/com/lab/springbapp/WebConfiguration.java

diff --git a/src/main/java/com/lab/springbapp/SpringbappApplication.java b/src/main/java/com/lab/springbapp/SpringbappApplication.java
index 934fff3..f88b857 100644
--- a/src/main/java/com/lab/springbapp/SpringbappApplication.java
+++ b/src/main/java/com/lab/springbapp/SpringbappApplication.java
@@ -2,12 +2,98 @@ package com.lab.springbapp;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+
+import static java.lang.Math.*;
 
 @SpringBootApplication
+@RestController
 public class SpringbappApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(SpringbappApplication.class, args);
+    }
 
-	public static void main(String[] args) {
-		SpringApplication.run(SpringbappApplication.class, args);
-	}
+    @GetMapping("/hello")
+    public String hello(@RequestParam(value = "name", defaultValue = "World") String name) {
+        return String.format("Hello %s!", name);
+    }
+
+    @GetMapping("/calculateSquare")
+    public String calculateSquare(@RequestParam(defaultValue = "1") int num,
+                                  @RequestParam(defaultValue = "1") int step) {
+        double res;
+        res = Math.pow(num, step);
+        return Double.toString(res);
+    }
+
+    @GetMapping("/calculateFactorial")
+    public String calculateFactorial(@RequestParam(required = true) int num) {
+        long res = 1;
+        for (int i = 1; i <= num; i++) {
+            res = res * i;
+        }
+        return Long.toString(res);
+    }
+
+    public int getFibonacciValue(int n) {
+        if (n <= 1) {
+            return 0;
+        } else if (n == 2) {
+            return 1;
+        } else {
+            return getFibonacciValue(n - 1) + getFibonacciValue(n - 2);
+        }
+    }
+
+    @GetMapping("/calculateFibbN")
+    public String calculateFibbN(@RequestParam(required = true) int num) {
+        int result = 0;
+        result = getFibonacciValue(num);
+        return Integer.toString(result);
+    }
+
+    public static boolean checkSimple(int i) {
+        if (i <= 1)
+            return false;
+        else if (i <= 3)
+            return true;
+        else if (i % 2 == 0 || i % 3 == 0)
+            return false;
+        int n = 5;
+        while (n * n <= i) {
+            if (i % n == 0 || i % (n + 2) == 0)
+                return false;
+            n = n + 6;
+        }
+        return true;
+    }
+
+    @GetMapping("/calculateLastSimple")
+    public String calculateSimple(@RequestParam(required = true) int num) {
+        int result = 0;
+        for (int i = 2; i <= num; i++) {
+            if (checkSimple(i))
+                return ("число простое");
+
+        }
+        return ("число непростое");
+    }
+
+    @GetMapping("/addDays")
+    public String addDays(@RequestParam(required = true) int num) {
+        Date currentDate = new Date();
+        Calendar cal = Calendar.getInstance();
+        cal.setTime(currentDate);
+        cal.add(Calendar.DATE, num);
+        Date newDate = cal.getTime();
+
+        return newDate.toString();
+    }
 
 }
diff --git a/src/main/java/com/lab/springbapp/WebConfiguration.java b/src/main/java/com/lab/springbapp/WebConfiguration.java
new file mode 100644
index 0000000..d5b3e22
--- /dev/null
+++ b/src/main/java/com/lab/springbapp/WebConfiguration.java
@@ -0,0 +1,12 @@
+package com.lab.springbapp;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class WebConfiguration implements WebMvcConfigurer {
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**").allowedMethods("*");
+    }
+}