cmd/backend/files.go

@@ -3,7 +3,6 @@ package backend
 import (
 	"fmt"
 	"io"
-	"log"
 	"os"
 )
 
@@ -20,30 +19,10 @@ func CopyFile(src, dst string) error {
 	}
 	defer dstFile.Close()
 
-	if _, err = io.Copy(dstFile, srcFile); err != nil {
+	_, err = io.Copy(dstFile, srcFile)
+	if err != nil {
 		return fmt.Errorf("error copying file: %v", err)
 	}
 
 	return dstFile.Sync()
 }
-
-func WriteFile(path string, src io.Reader) error {
-	file, err := os.Create(path)
-	if err != nil {
-		log.Println(err)
-		return fmt.Errorf("error creating file: %v", err)
-	}
-	defer file.Close()
-
-	if _, err = io.Copy(file, src); err != nil {
-		log.Println(err)
-		return fmt.Errorf("error copying file: %v", err)
-	}
-
-	if err = file.Sync(); err != nil {
-		log.Println(err)
-		return fmt.Errorf("error syncing file: %v", err)
-	}
-
-	return nil
-}

cmd/backend/rss.go

@@ -55,7 +55,7 @@ func GenerateRSS(c *Config, db *DB) (*string, error) {
 		}
 
 		item := &rss.Item{
-			Author:      user.FirstName + " " + user.LastName,
+			Author:      fmt.Sprint(user.FirstName, " ", user.LastName),
 			Categories:  tagNames,
 			Description: articleDescription,
 			Guid:        string(article.ID),

cmd/calls/pdf.go

@@ -2,6 +2,7 @@ package calls
 
 import (
 	"encoding/json"
+	"fmt"
 	"log"
 	"net/http"
 	"os"
@@ -42,6 +43,6 @@ func ServePDF(c *b.Config) http.HandlerFunc {
 			return
 		}
 
-		http.ServeFile(w, r, c.PDFDir+"/"+r.PathValue("id"))
+		http.ServeFile(w, r, fmt.Sprint(c.PDFDir, "/", r.PathValue("id")))
 	}
 }

cmd/frontend/articles.go

@@ -547,7 +547,7 @@ func UploadArticleImage(c *b.Config, s *b.CookieStore) http.HandlerFunc {
 			return
 		}
 
-		url := c.Domain + "/image/serve/" + filename
+		url := fmt.Sprint(c.Domain, "/image/serve/", filename)
 		w.Header().Set("Content-Type", "application/json")
 		json.NewEncoder(w).Encode(url)
 	}

cmd/frontend/issues.go

@@ -61,7 +61,7 @@ func PublishLatestIssue(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFun
 
 		article := &b.Article{
 			Title:         title,
-			EncURL:        c.Domain + "/image/serve/" + imgFileName,
+			EncURL:        fmt.Sprint(c.Domain, "/image/serve/", imgFileName),
 			EncLength:     int(imgInfo.Size()),
 			EncType:       mime.TypeByExtension(filepath.Ext(imgAbsName)),
 			Published:     true,

cmd/frontend/pdf.go

@@ -2,8 +2,10 @@ package frontend
 
 import (
 	"fmt"
+	"io"
 	"log"
 	"net/http"
+	"os"
 	"path/filepath"
 
 	"github.com/google/uuid"
@@ -51,14 +53,22 @@ func UploadPDF(c *b.Config, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		filename := fmt.Sprint(uuid.New(), ".pdf")
-		absFilepath, err := filepath.Abs(c.PDFDir + "/" + filename)
+		absFilepath, err := filepath.Abs(fmt.Sprint(c.PDFDir, "/", filename))
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
-		if err = b.WriteFile(absFilepath, file); err != nil {
+		pdf, err := os.Create(absFilepath)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		defer pdf.Close()
+
+		if _, err = io.Copy(pdf, file); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return