gosplash/internal/unsplash/fetch.go

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2023-11-23 14:24:28 +01:00
package unsplash
import (
"encoding/json"
"io"
"net/http"
"net/url"
"strconv"
"time"
"git.velvettear.de/velvettear/gosplash/internal/config"
"git.velvettear.de/velvettear/loggo"
)
const apiUrl = "https://api.unsplash.com/photos/random"
// get a list of images from unsplas
func GetImages() []Image {
return parseData(fetchJson())
}
// fetch the json response from unslpash
func fetchJson() []map[string]interface{} {
timestamp := time.Now().UnixMilli()
var jsonMap []map[string]interface{}
var arguments []string
if config.Count > 0 {
arguments = append(arguments, "count="+strconv.Itoa(config.Count))
}
if len(config.Query) > 0 {
arguments = append(arguments, "query="+url.QueryEscape(config.Query))
}
url := apiUrl
for index, argument := range arguments {
if index == 0 {
url += "?"
} else {
url += "&"
}
url += argument
}
request, error := http.NewRequest(http.MethodGet, url, nil)
if error != nil {
loggo.FatalTimed("encountered an error creating the http request", timestamp, error.Error())
}
request.Header.Add("Authorization", "Client-ID "+config.ApiKey)
response, error := http.DefaultClient.Do(request)
if error != nil {
loggo.FatalTimed("encountered an error fetching the json response", timestamp, error.Error())
}
body, error := io.ReadAll(response.Body)
if error != nil {
loggo.FatalTimed("encountered an error reading the json response", timestamp, error.Error())
}
error = json.Unmarshal(body, &jsonMap)
if error != nil {
loggo.FatalTimed("encountered an error unmarshalling the json response", timestamp, error.Error())
}
loggo.DebugTimed("fetched json response with "+strconv.Itoa(len(jsonMap))+" element(s)", timestamp)
return jsonMap
}