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isdayoff.go
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isdayoff.go
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package isdayoff
import (
"fmt"
"io/ioutil"
"net/http"
"strings"
"time"
)
// Client for requests to isdayoff.ru
type Client struct {
httpClient *http.Client
}
// New initiates client with default http client
func New() *Client {
return NewWithClient(http.DefaultClient)
}
// NewWithClient initiates client with custom http client
func NewWithClient(client *http.Client) *Client {
return &Client{client}
}
// IsLeap checks if year is leap
func (c *Client) IsLeap(year int) (bool, error) {
url := fmt.Sprintf("https://isdayoff.ru/api/isleap?year=%d", year)
req, err := http.NewRequest(http.MethodGet, url, nil)
if err != nil {
return false, fmt.Errorf("http.NewRequest failed: %v", err)
}
req.Header.Set("User-Agent", "isdayoff-golang-lib/1.0.0 (https://github.com/anatoliyfedorenko)")
res, err := c.httpClient.Do(req)
if err != nil {
return false, fmt.Errorf("client.Do(req) failed: %v", err)
}
defer res.Body.Close()
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return false, fmt.Errorf("ioutil.ReadAll failed: %v", err)
}
if res.StatusCode != http.StatusOK {
return false, fmt.Errorf(string(body))
}
return YearType(string(body)) == YearTypeLeap, nil
}
var boolToStr = map[bool]string{
false: "0",
true: "1",
}
// Params contains various filters for request
type Params struct {
Year int
Month *time.Month
Day *int
CountryCode *CountryCode
Pre *bool
Covid *bool
TZ *string
}
// GetBy Get data by particular params
func (c *Client) GetBy(params Params) ([]DayType, error) {
url := fmt.Sprintf("https://isdayoff.ru/api/getdata?year=%d", params.Year)
// ugly. change it later
if params.Month != nil {
if *params.Month < 10 {
url += fmt.Sprintf("&month=0%d", *params.Month)
} else {
url += fmt.Sprintf("&month=%d", *params.Month)
}
}
if params.Day != nil {
if *params.Day < 10 {
url += fmt.Sprintf("&day=0%d", *params.Day)
} else {
url += fmt.Sprintf("&day=%d", *params.Day)
}
}
if params.CountryCode != nil {
url += fmt.Sprintf("&cc=%v", *params.CountryCode)
}
if params.Pre != nil {
url += fmt.Sprintf("&pre=%s", boolToStr[*params.Pre])
}
if params.Covid != nil {
url += fmt.Sprintf("&covid=%s", boolToStr[*params.Covid])
}
if params.TZ != nil {
url += fmt.Sprintf("&tz=%s", *params.TZ)
}
req, err := http.NewRequest(http.MethodGet, url, nil)
if err != nil {
return nil, fmt.Errorf("http.NewRequest failed: %v", err)
}
req.Header.Set("User-Agent", "isdayoff-golang-lib/1.0.0 (https://github.com/anatoliyfedorenko)")
res, err := c.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("client.Do(req) failed: %v", err)
}
defer res.Body.Close()
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, fmt.Errorf("ioutil.ReadAll failed: %v", err)
}
if res.StatusCode != http.StatusOK {
return nil, fmt.Errorf(string(body))
}
result := []DayType{}
days := strings.Split(string(body), "")
for _, day := range days {
result = append(result, DayType(day))
}
return result, nil
}
// Today get data for today by particular params
func (c *Client) Today(params Params) (*DayType, error) {
return c.aliasRequest("today", params)
}
// Tomorrow get data for tomorrow by particular params
func (c *Client) Tomorrow(params Params) (*DayType, error) {
return c.aliasRequest("tomorrow", params)
}
func (c *Client) aliasRequest(alias string, params Params) (*DayType, error) {
req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("https://isdayoff.ru/%s", alias), nil)
if err != nil {
return nil, fmt.Errorf("http.NewRequest failed: %v", err)
}
q := req.URL.Query()
if params.CountryCode != nil {
q.Add("cc", string(*params.CountryCode))
}
if params.Pre != nil {
q.Add("pre ", boolToStr[*params.Pre])
}
if params.Covid != nil {
q.Add("covid", boolToStr[*params.Covid])
}
if params.TZ != nil {
q.Add("tz", string(*params.TZ))
}
req.URL.RawQuery = q.Encode()
req.Header.Set("User-Agent", "isdayoff-golang-lib/1.0.2 (https://github.com/anatoliyfedorenko)")
res, err := c.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("client.Do(req) failed: %v", err)
}
defer res.Body.Close()
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, fmt.Errorf("ioutil.ReadAll failed: %v", err)
}
if res.StatusCode != http.StatusOK {
return nil, fmt.Errorf(string(body))
}
result := DayType(body)
return &result, nil
}