Created package "calls" and verification for frontend and calls

cmd/calls/pdf.go

@@ -0,0 +1,44 @@
+package calls
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+
+	b "streifling.com/jason/cpolis/cmd/backend"
+)
+
+func ServePDFList(c *b.Config) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if tokenIsVerified(w, r) {
+			files, err := os.ReadDir(c.PDFDir)
+			if err != nil {
+				log.Println(err)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+
+			fileNames := make([]string, 0)
+			for _, file := range files {
+				fileNames = append(fileNames, file.Name())
+			}
+
+			w.Header().Set("Content-Type", "application/json")
+			if err = json.NewEncoder(w).Encode(fileNames); err != nil {
+				log.Println(err)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+		}
+	}
+}
+
+func ServePDF(c *b.Config) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if tokenIsVerified(w, r) {
+			http.ServeFile(w, r, fmt.Sprint(c.PDFDir, "/", r.PathValue("id")))
+		}
+	}
+}