add category insert

internal/services/category/category_service.go

@@ -0,0 +1,44 @@
+package category
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+type CategoryEntity struct {
+	Id           int
+	Name         string
+	UserId       int
+	Favorite     bool
+	MonthlyLimit int
+}
+
+type CategoryService struct {
+	db *pgxpool.Pool
+}
+
+func NewCategoryService(
+	db *pgxpool.Pool,
+) *CategoryService {
+	return &CategoryService{
+		db: db,
+	}
+}
+
+func (s *CategoryService) AddCategory(ctx context.Context, category *CategoryEntity) (*CategoryEntity, error) {
+	query := `INSERT INTO categories (name, user_id, favorite, monthly_limit) VALUES (@name, @user_id, @favorite, @monthly_limit)`
+	args := pgx.NamedArgs{
+		"name":          category.Name,
+		"user_id":       1,
+		"favorite":      category.Favorite,
+		"monthly_limit": category.MonthlyLimit,
+	}
+	_, err := s.db.Exec(ctx, query, args)
+	if err != nil {
+		return nil, fmt.Errorf("unable to insert row: %w", err)
+	}
+	return category, nil
+}

internal/services/category/requests.restbook

@@ -0,0 +1 @@
+[{"kind":1,"language":"markdown","value":"# Добавление категории","outputs":[]},{"kind":2,"language":"rest-book","value":"POST http://localhost:8090/categories\n\n{\n    \"name\": \"Продукты питания\",\n    \"favorite\": true,\n    \"monthlyLimit\": 5000\n}","outputs":[{"mime":"x-application/rest-book","value":{"status":200,"statusText":"OK","headers":{"Date":"Tue, 19 Nov 2024 15:43:01 GMT","Content-Type":"application/json","Content-Length":"88"},"config":{"timeout":10000,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json","User-Agent":"rest-book","Content-Length":78}},"request":{"method":"POST","httpVersion":"1.1","responseUrl":"http://localhost:8090/categories","timeout":10000,"headers":{"User-Agent":"rest-book"},"data":{"name":"Продукты питания","favorite":true,"monthlyLimit":5000}},"data":{"id":0,"name":"Продукты питания","favorite":true,"monthlyLimit":5000}}},{"mime":"text/x-json","value":{"status":200,"statusText":"OK","headers":{"Date":"Tue, 19 Nov 2024 15:43:01 GMT","Content-Type":"application/json","Content-Length":"88"},"config":{"timeout":10000,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json","User-Agent":"rest-book","Content-Length":78}},"request":{"method":"POST","httpVersion":"1.1","responseUrl":"http://localhost:8090/categories","timeout":10000,"headers":{"User-Agent":"rest-book"},"data":{"name":"Продукты питания","favorite":true,"monthlyLimit":5000}},"data":{"id":0,"name":"Продукты питания","favorite":true,"monthlyLimit":5000}}},{"mime":"text/html","value":"[object Object]"}]}]