From 309e2f781402bc92b2c3caae558d11f821541e29 Mon Sep 17 00:00:00 2001
From: ruslan709 <77974170+ruslan709@users.noreply.github.com>
Date: Sun, 15 Dec 2024 21:55:58 +0300
Subject: [PATCH] first commit (#418)

* first commit

* fixed

* fixed

* fixed

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* fixed

* fixed

* fixed

* fixed

* fixed

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---
 golang/labs/{ => lab4}/lab4.go             |  15 ++-
 golang/labs/{ => lab6}/lab6.go             |   2 +-
 golang/labs/{laba7 => lab7}/clothing.go    |   2 +-
 golang/labs/{laba7 => lab7}/electronics.go |   2 +-
 golang/labs/{laba7 => lab7}/food.go        |   2 +-
 golang/labs/{laba7 => lab7}/lab7.go        |  10 +-
 golang/labs/{laba7 => lab7}/product.go     |   2 +-
 golang/labs/lab8/input.txt                 |  10 ++
 golang/labs/lab8/lab8-1.go                 |  52 +++++++++
 golang/labs/lab8/lab8-2.go                 | 116 +++++++++++++++++++++
 golang/main.go                             |  13 ++-
 golang/tests/lab4_test.go                  |   4 +-
 python/src/main.py                         |   1 +
 13 files changed, 211 insertions(+), 20 deletions(-)
 rename golang/labs/{ => lab4}/lab4.go (72%)
 rename golang/labs/{ => lab6}/lab6.go (98%)
 rename golang/labs/{laba7 => lab7}/clothing.go (97%)
 rename golang/labs/{laba7 => lab7}/electronics.go (97%)
 rename golang/labs/{laba7 => lab7}/food.go (97%)
 rename golang/labs/{laba7 => lab7}/lab7.go (73%)
 rename golang/labs/{laba7 => lab7}/product.go (96%)
 create mode 100644 golang/labs/lab8/input.txt
 create mode 100644 golang/labs/lab8/lab8-1.go
 create mode 100644 golang/labs/lab8/lab8-2.go

diff --git a/golang/labs/lab4.go b/golang/labs/lab4/lab4.go
similarity index 72%
rename from golang/labs/lab4.go
rename to golang/labs/lab4/lab4.go
index 6dae5643..16ac9f26 100644
--- a/golang/labs/lab4.go
+++ b/golang/labs/lab4/lab4.go
@@ -1,8 +1,10 @@
-package labs
+package lab4
 
 import (
 	"fmt"
 	"math"
+
+	"isuct.ru/informatics2022/labs/lab8"
 )
 
 func CalculateY(x float64, a float64, b float64) float64 {
@@ -29,13 +31,18 @@ func TaskB(a, b float64, values []float64) [][]float64 {
 }
 
 func RunLab4() {
-	resultsA := TaskA(0.05, 0.06, 0.2, 0.95, 0.15)
+	params, err := lab8.ReadDataFromFile("input.txt")
+	if err != nil {
+		fmt.Println("Ошибка:", err)
+		return
+	}
+
+	resultsA := TaskA(params.A, params.B, params.Xn, params.Xk, params.Deltax)
 	for _, result := range resultsA {
 		fmt.Printf("x: %.2f, y: %.2f\n", result[0], result[1])
 	}
 
-	arr := []float64{0.15, 0.26, 0.37, 0.48, 0.56}
-	resultsB := TaskB(0.2, 0.95, arr)
+	resultsB := TaskB(params.A, params.B, params.Slicex)
 	for _, result := range resultsB {
 		fmt.Printf("x: %.2f, y: %.2f\n", result[0], result[1])
 	}
diff --git a/golang/labs/lab6.go b/golang/labs/lab6/lab6.go
similarity index 98%
rename from golang/labs/lab6.go
rename to golang/labs/lab6/lab6.go
index 325b10db..c4c2bb7a 100644
--- a/golang/labs/lab6.go
+++ b/golang/labs/lab6/lab6.go
@@ -1,4 +1,4 @@
-package labs
+package lab6
 
 import (
 	"fmt"
diff --git a/golang/labs/laba7/clothing.go b/golang/labs/lab7/clothing.go
similarity index 97%
rename from golang/labs/laba7/clothing.go
rename to golang/labs/lab7/clothing.go
index 5e7e527b..c6856e1d 100644
--- a/golang/labs/laba7/clothing.go
+++ b/golang/labs/lab7/clothing.go
@@ -1,4 +1,4 @@
-package laba7
+package lab7
 
 import (
 	"fmt"
diff --git a/golang/labs/laba7/electronics.go b/golang/labs/lab7/electronics.go
similarity index 97%
rename from golang/labs/laba7/electronics.go
rename to golang/labs/lab7/electronics.go
index ea6b6caa..2fc0c20f 100644
--- a/golang/labs/laba7/electronics.go
+++ b/golang/labs/lab7/electronics.go
@@ -1,4 +1,4 @@
-package laba7
+package lab7
 
 import (
 	"fmt"
diff --git a/golang/labs/laba7/food.go b/golang/labs/lab7/food.go
similarity index 97%
rename from golang/labs/laba7/food.go
rename to golang/labs/lab7/food.go
index 9471ea24..fb0f61d2 100644
--- a/golang/labs/laba7/food.go
+++ b/golang/labs/lab7/food.go
@@ -1,4 +1,4 @@
-package laba7
+package lab7
 
 import (
 	"fmt"
diff --git a/golang/labs/laba7/lab7.go b/golang/labs/lab7/lab7.go
similarity index 73%
rename from golang/labs/laba7/lab7.go
rename to golang/labs/lab7/lab7.go
index ea19ab49..76bdd1c7 100644
--- a/golang/labs/laba7/lab7.go
+++ b/golang/labs/lab7/lab7.go
@@ -1,4 +1,4 @@
-package laba7
+package lab7
 
 import (
 	"fmt"
@@ -15,17 +15,19 @@ func GetFinalPrice(products []Product) float64 {
 func RunLab7() {
 	product1 := &Electronics{Name: "Телефон", Price: 20, Brand: "Iphone", Model: "5s"}
 	if err := product1.applyDiscount(25); err != nil {
-		fmt.Println(err)
+		fmt.Println("Ошибка при применении скидки к продукту 1:", err)
 		return
 	}
+
 	product2 := &Clothing{Name: "Рубашка", Price: 14.32, Size: "L", Color: "white"}
 	if err := product2.applyDiscount(10); err != nil {
-		fmt.Println(err)
+		fmt.Println("Ошибка при применении скидки к продукту 2:", err)
 		return
 	}
+
 	product3 := &Food{Name: "Яблоко", Price: 2.35, Weight: 1}
 	if err := product3.applyDiscount(15); err != nil {
-		fmt.Println(err)
+		fmt.Println("Ошибка при применении скидки к продукту 3:", err)
 		return
 	}
 
diff --git a/golang/labs/laba7/product.go b/golang/labs/lab7/product.go
similarity index 96%
rename from golang/labs/laba7/product.go
rename to golang/labs/lab7/product.go
index e39cbffd..187a4416 100644
--- a/golang/labs/laba7/product.go
+++ b/golang/labs/lab7/product.go
@@ -1,4 +1,4 @@
-package laba7
+package lab7
 
 import (
 	"errors"
diff --git a/golang/labs/lab8/input.txt b/golang/labs/lab8/input.txt
new file mode 100644
index 00000000..26510dc6
--- /dev/null
+++ b/golang/labs/lab8/input.txt
@@ -0,0 +1,10 @@
+0.05
+0.06
+0.2
+0.95
+0.15
+0.15
+0.26
+0.37
+0.48
+0.56
diff --git a/golang/labs/lab8/lab8-1.go b/golang/labs/lab8/lab8-1.go
new file mode 100644
index 00000000..f209fff1
--- /dev/null
+++ b/golang/labs/lab8/lab8-1.go
@@ -0,0 +1,52 @@
+package lab8
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+)
+
+type Parameters struct {
+	A      float64
+	B      float64
+	Xn     float64
+	Xk     float64
+	Deltax float64
+	Slicex []float64
+}
+
+func ReadDataFromFile(filename string) (Parameters, error) {
+	file, err := os.Open(filename)
+	if err != nil {
+		return Parameters{}, fmt.Errorf("ошибка открытия файла: %w", err)
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	var values []float64
+	for scanner.Scan() {
+		line := scanner.Text()
+		num, err := strconv.ParseFloat(line, 64)
+		if err != nil {
+			return Parameters{}, fmt.Errorf("ошибка парсинга float '%s': %w", line, err)
+		}
+		values = append(values, num)
+	}
+
+	if err := scanner.Err(); err != nil {
+		return Parameters{}, fmt.Errorf("ошибка чтения файла: %w", err)
+	}
+	if len(values) < 6 {
+		return Parameters{}, fmt.Errorf("нехватает значений! попробуй еще раз")
+	}
+	params := Parameters{
+		A:      values[0],
+		B:      values[1],
+		Xn:     values[2],
+		Xk:     values[3],
+		Deltax: values[4],
+		Slicex: values[5:],
+	}
+	return params, nil
+}
diff --git a/golang/labs/lab8/lab8-2.go b/golang/labs/lab8/lab8-2.go
new file mode 100644
index 00000000..1cdad25d
--- /dev/null
+++ b/golang/labs/lab8/lab8-2.go
@@ -0,0 +1,116 @@
+package lab8
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+)
+
+func CreateFile(filename string) (string, error) {
+	if _, err := os.Stat(filename); err == nil {
+		return "", fmt.Errorf("файл %s уже существует", filename)
+	} else if !os.IsNotExist(err) {
+		return "", fmt.Errorf("ошибка проверки существования файла: %w", err)
+	}
+	file, err := os.Create(filename)
+	if err != nil {
+		return "", fmt.Errorf("ошибка создания файла: %w", err)
+	}
+	defer file.Close()
+	return filename, nil
+}
+
+func WriteToFile(filepath string, content string) error {
+	file, err := os.OpenFile(filepath, os.O_APPEND|os.O_WRONLY, 0644)
+	if err != nil {
+		return fmt.Errorf("ошибка открытия файла для записи: %w", err)
+	}
+	defer file.Close()
+
+	_, err = file.WriteString(content)
+	if err != nil {
+		return fmt.Errorf("ошибка записи в файл: %w", err)
+	}
+	return nil
+}
+
+func ReadFile(filepath string) (string, error) {
+	fileData, err := os.ReadFile(filepath)
+	if err != nil {
+		return "", fmt.Errorf("ошибка чтения файла: %w", err)
+	}
+	return string(fileData), nil
+}
+
+func SearchInFile(filedata string, searchText string) bool {
+	return strings.Contains(filedata, searchText)
+}
+
+func GetUserInput() (string, int, string, string, string) {
+	reader := bufio.NewReader(os.Stdin)
+
+	fmt.Print("Введите имя: ")
+	name, _ := reader.ReadString('\n')
+	name = strings.TrimSpace(name)
+
+	fmt.Print("Введите возраст: ")
+	var age int
+	fmt.Scanf("%d\n", &age)
+
+	fmt.Print("Введите город: ")
+	city, _ := reader.ReadString('\n')
+	city = strings.TrimSpace(city)
+
+	fmt.Print("Введите институт, в котором вы учитесь: ")
+	university, _ := reader.ReadString('\n')
+	university = strings.TrimSpace(university)
+
+	fmt.Print("Введите любой текст: ")
+	additionalText, _ := reader.ReadString('\n')
+	additionalText = strings.TrimSpace(additionalText)
+
+	return name, age, city, university, additionalText
+}
+
+func RunFileLab() {
+	reader := bufio.NewReader(os.Stdin)
+	fmt.Print("Введите имя файла: ")
+	filename, _ := reader.ReadString('\n')
+	filename = strings.TrimSpace(filename)
+
+	filePath, err := CreateFile(filename)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	name, age, city, university, additionalText := GetUserInput()
+
+	content := fmt.Sprintf("Имя: %s\nВозраст: %d\nГород: %s\nУниверситет: %s\nДополнительный текст: %s\n", name, age, city, university, additionalText)
+	err = WriteToFile(filePath, content)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	fmt.Println("Данные успешно записаны в файл", filename)
+
+	fileData, err := ReadFile(filePath)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	fmt.Println("Содержимое файла:", fileData)
+
+	var searchText string
+	fmt.Print("Введите текст для поиска: ")
+	searchText, _ = bufio.NewReader(os.Stdin).ReadString('\n')
+	searchText = strings.TrimSpace(searchText)
+
+	if SearchInFile(fileData, searchText) {
+		fmt.Println("Текст найден в файле")
+	} else {
+		fmt.Println("Текст не найден в файле")
+	}
+}
diff --git a/golang/main.go b/golang/main.go
index c6852dcf..b82e96c3 100644
--- a/golang/main.go
+++ b/golang/main.go
@@ -3,13 +3,16 @@ package main
 import (
 	"fmt"
 
-	"isuct.ru/informatics2022/labs"
-	"isuct.ru/informatics2022/labs/laba7"
+	"isuct.ru/informatics2022/labs/lab4"
+	"isuct.ru/informatics2022/labs/lab6"
+	"isuct.ru/informatics2022/labs/lab7"
+	"isuct.ru/informatics2022/labs/lab8"
 )
 
 func main() {
 	fmt.Println("Kulikov Ruslan Igorevich")
-	labs.RunLab4()
-	labs.RunLab6()
-	laba7.RunLab7()
+	lab8.RunFileLab()
+	lab4.RunLab4()
+	lab6.RunLab6()
+	lab7.RunLab7()
 }
diff --git a/golang/tests/lab4_test.go b/golang/tests/lab4_test.go
index c2ade4c5..fc918572 100644
--- a/golang/tests/lab4_test.go
+++ b/golang/tests/lab4_test.go
@@ -5,7 +5,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"isuct.ru/informatics2022/labs"
+	"isuct.ru/informatics2022/labs/lab4"
 )
 
 func TestEquation(t *testing.T) {
@@ -31,7 +31,7 @@ func TestEquation(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			result := labs.CalculateY(tt.x, a, b)
+			result := lab4.CalculateY(tt.x, a, b)
 			if math.IsNaN(tt.x) {
 				assert.True(t, math.IsNaN(result), "ожидалось NaN %f", result)
 			} else {
diff --git a/python/src/main.py b/python/src/main.py
index e37a77c0..3f78c777 100644
--- a/python/src/main.py
+++ b/python/src/main.py
@@ -1,3 +1,4 @@
+
 def summ(a: int, b: int) -> int:
     return a + b