Wrote an Webserver to spit out a random planet with a go backend and an astro front end

test2.go

@@ -0,0 +1,87 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"net/url"
+)
+
+// Fetch data from NASA Exoplanet API
+func fetchExoplanetData(query string) ([]map[string]interface{}, error) {
+	baseURL := "https://exoplanetarchive.ipac.caltech.edu/TAP/sync"
+
+	params := url.Values{}
+	params.Set("query", query)
+	params.Set("format", "json")
+
+	fullURL := baseURL + "?" + params.Encode()
+	resp, err := http.Get(fullURL)
+	if err != nil {
+		return nil, fmt.Errorf("fetch error: %v", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("read error: %v", err)
+	}
+
+	var results []map[string]interface{}
+	if err := json.Unmarshal(body, &results); err != nil {
+		return nil, fmt.Errorf("unmarshal error: %v", err)
+	}
+
+	return results, nil
+}
+
+// Handler: /planets
+func planetsHandler(w http.ResponseWriter, r *http.Request) {
+	year := r.URL.Query().Get("year")
+	query := "SELECT pl_name, disc_year FROM pscomppars"
+	if year != "" {
+		query += fmt.Sprintf(" WHERE disc_year = %s", year)
+	}
+
+	results, err := fetchExoplanetData(query)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	// Add inside each handler, before writing the response:
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+
+	writeJSON(w, results)
+}
+
+// Handler: /planets/large-radius
+func largeRadiusHandler(w http.ResponseWriter, r *http.Request) {
+	query := "SELECT pl_name, pl_radj FROM pscomppars WHERE pl_radj > 5"
+
+	results, err := fetchExoplanetData(query)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	// Add inside each handler, before writing the response:
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+
+	writeJSON(w, results)
+}
+
+// Helper to write JSON response
+func writeJSON(w http.ResponseWriter, data interface{}) {
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(data)
+}
+
+// Main
+func main() {
+	http.HandleFunc("/planets", planetsHandler)
+	http.HandleFunc("/planets/large-radius", largeRadiusHandler)
+
+	fmt.Println("Server running at http://localhost:8080")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}