moved paste operations into paste/paste.go. Using paste.Store()

1 files changed, 52 insertions, 0 deletions

diff --git a/paste/paste.go b/paste/paste.go
new file mode 100644
index 0000000..ce06f6a
--- /dev/null
+++ b/paste/paste.go
@@ -0,0 +1,52 @@
+package paste
+
+import(
+	"crypto/sha256"
+	"fmt"
+	"log"
+	"os"
+	"io/ioutil"
+	"errors"
+)
+
+
+
+func Store(title, date, content, dest_dir string) (string, error) {
+
+	h := sha256.New()
+	
+	h.Write([]byte(title))
+	h.Write([]byte(date))
+	h.Write([]byte(content))
+
+	paste := fmt.Sprintf("# Title: %s\n# Date: %s\n%s", title, date, content)
+	
+	paste_hash := fmt.Sprintf("%x", h.Sum(nil))
+	log.Printf("  `-- hash: %s\n", paste_hash)
+	paste_dir := dest_dir + "/"
+
+	
+	// Now we save the file
+	for i := 0; i < len(paste_hash)-16; i++ {
+		paste_name := paste_hash[i:i+16]
+		if _, err := os.Stat(paste_dir + paste_name); os.IsNotExist(err) {
+			// The file does not exist, so we can create it
+			if err := ioutil.WriteFile(paste_dir + paste_name, []byte(paste), 0644); err == nil {
+				// and then we return the URL:
+				log.Printf("  `-- saving new paste to : %s", paste_dir + paste_name)
+				return paste_name, nil
+			} else {
+				log.Printf("Cannot create the paste: %s!\n", paste_dir + paste_name)
+			}
+		}
+	}
+	return "", errors.New("Cannot store the paste...Sorry!")
+}
+
+
+//func Retrieve(URI string) (title, date, content string) {
+	
+	
+	
+	
+//}