82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
// Package for stacker.news API access
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package sn
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"log"
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"net/http"
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"github.com/joho/godotenv"
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"github.com/namsral/flag"
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)
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var (
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// stacker.news URL
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SnUrl = "https://stacker.news"
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// stacker.news API URL
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SnApiUrl = "https://stacker.news/api/graphql"
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// stacker.news session cookie
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SnAuthCookie string
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// TODO add API key support
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// SnApiKey string
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)
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func init() {
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err := godotenv.Load()
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if err != nil {
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log.Fatal("error loading .env file")
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}
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flag.StringVar(&SnAuthCookie, "SN_AUTH_COOKIE", "", "Cookie required for authentication requests to stacker.news/api/graphql")
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flag.Parse()
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if SnAuthCookie == "" {
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log.Fatal("SN_AUTH_COOKIE not set")
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}
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}
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// Make GraphQL request using raw payload
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func MakeStackerNewsRequest(body GraphQLPayload) (*http.Response, error) {
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bodyJSON, err := json.Marshal(body)
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if err != nil {
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err = fmt.Errorf("error encoding SN payload: %w", err)
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return nil, err
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}
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req, err := http.NewRequest("POST", SnApiUrl, bytes.NewBuffer(bodyJSON))
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if err != nil {
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err = fmt.Errorf("error preparing SN request: %w", err)
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return nil, err
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Cookie", SnAuthCookie)
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client := http.DefaultClient
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resp, err := client.Do(req)
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if err != nil {
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err = fmt.Errorf("error posting SN payload: %w", err)
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return nil, err
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}
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return resp, nil
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}
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// Returns error if any error was found
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func CheckForErrors(graphqlErrors []GraphQLError) error {
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if len(graphqlErrors) > 0 {
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errorMsg, marshalErr := json.Marshal(graphqlErrors)
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if marshalErr != nil {
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return marshalErr
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}
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return errors.New(string(errorMsg))
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}
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return nil
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}
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// Format item id as link
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func FormatLink(id int) string {
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return fmt.Sprintf("%s/items/%d", SnUrl, id)
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}
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