sunrisesunset

package
v0.1.1 Latest Latest
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Published: Jun 14, 2026 License: Apache-2.0 Imports: 9 Imported by: 0

Documentation

Overview

Package sunrisesunset is the library behind the sunrisesunset command line: the HTTP client, request shaping, and the typed data models for the sunrise-sunset.org API (sunrise/sunset/twilight times for any location).

The Client is the spine every command shares. It sets a real User-Agent, paces requests so a busy session stays polite, and retries the transient failures (429 and 5xx) that any public API throws under load.

Index

Constants

View Source
const Host = "api.sunrise-sunset.org"

Host is the API hostname this package talks to.

Variables

This section is empty.

Functions

This section is empty.

Types

type Client

type Client struct {
	// contains filtered or unexported fields
}

Client talks to api.sunrise-sunset.org over HTTP.

func NewClient

func NewClient(cfg Config) *Client

NewClient returns a Client configured from cfg.

func (*Client) Sun added in v0.1.1

func (c *Client) Sun(ctx context.Context, lat, lon float64, date, tz string) (*SunTimes, error)

Sun fetches sunrise/sunset times for the given latitude, longitude, and date. date must be in "YYYY-MM-DD" format; pass empty string for today. tz is an IANA timezone name (e.g. "America/New_York"); pass empty string for UTC.

type Config

type Config struct {
	BaseURL   string
	UserAgent string
	Rate      time.Duration
	Timeout   time.Duration
	Retries   int
}

Config holds all tuneable parameters for a Client.

func DefaultConfig

func DefaultConfig() Config

DefaultConfig returns the production configuration for api.sunrise-sunset.org.

type Domain

type Domain struct{}

Domain is the sunrisesunset driver.

func (Domain) Classify

func (Domain) Classify(input string) (uriType, id string, err error)

Classify turns a coordinate pair into the canonical (type, id).

func (Domain) Info

func (Domain) Info() kit.DomainInfo

Info describes the scheme, the hostnames a pasted link is matched against, and the identity reused for the binary's help and version.

func (Domain) Locate

func (Domain) Locate(uriType, id string) (string, error)

Locate returns the live https URL for a (type, id).

func (Domain) Register

func (Domain) Register(app *kit.App)

Register installs the client factory and every operation onto app.

type SunTimes

type SunTimes struct {
	Location                  string `json:"location"                   kit:"id"` // "lat,lon" formatted as "%.4f,%.4f"
	Date                      string `json:"date"`
	Timezone                  string `json:"timezone"`
	Sunrise                   string `json:"sunrise"`
	Sunset                    string `json:"sunset"`
	SolarNoon                 string `json:"solar_noon"`
	DayLengthSeconds          int    `json:"day_length_seconds"`
	CivilTwilightBegin        string `json:"civil_twilight_begin"`
	CivilTwilightEnd          string `json:"civil_twilight_end"`
	NauticalTwilightBegin     string `json:"nautical_twilight_begin"`
	NauticalTwilightEnd       string `json:"nautical_twilight_end"`
	AstronomicalTwilightBegin string `json:"astronomical_twilight_begin"`
	AstronomicalTwilightEnd   string `json:"astronomical_twilight_end"`
}

SunTimes holds the full set of times returned by the API for one query.

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