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AWS Lambda Function in Golang to discover movies
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package main | |
import ( | |
"encoding/json" | |
"errors" | |
"fmt" | |
"net/http" | |
"os" | |
"strconv" | |
"github.com/aws/aws-lambda-go/lambda" | |
) | |
var ( | |
API_KEY = os.Getenv("API_KEY") | |
ErrorBackend = errors.New("Something went wrong") | |
) | |
type Request struct { | |
ID int `json:"id"` | |
} | |
type MovieDBResponse struct { | |
Movies []Movie `json:"results"` | |
} | |
type Movie struct { | |
Title string `json:"title"` | |
Description string `json:"overview"` | |
Cover string `json:"poster_path"` | |
ReleaseDate string `json:"release_date"` | |
} | |
func Handler(request Request) ([]Movie, error) { | |
url := fmt.Sprintf("https://api.themoviedb.org/3/discover/movie?api_key=%s", API_KEY) | |
client := &http.Client{} | |
req, err := http.NewRequest("GET", url, nil) | |
if err != nil { | |
return []Movie{}, ErrorBackend | |
} | |
if request.ID > 0 { | |
q := req.URL.Query() | |
q.Add("with_genres", strconv.Itoa(request.ID)) | |
req.URL.RawQuery = q.Encode() | |
} | |
resp, err := client.Do(req) | |
if err != nil { | |
return []Movie{}, ErrorBackend | |
} | |
defer resp.Body.Close() | |
var data MovieDBResponse | |
if err := json.NewDecoder(resp.Body).Decode(&data); err != nil { | |
return []Movie{}, ErrorBackend | |
} | |
return data.Movies, nil | |
} | |
func main() { | |
lambda.Start(Handler) | |
} |
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