`Attachment::save()` returns Result instead of bool (#161)

Returning a result instead of a bool as per #6

src/api/core/ciphers.rs

@@ -375,11 +375,11 @@ fn put_cipher_share_seleted(data: JsonUpcase<ShareSelectedCipherData>, headers:
     if data.Ciphers.len() == 0 {
         err!("You must select at least one cipher.")
     }
-    
+
     if data.CollectionIds.len() == 0 {
         err!("You must select at least one collection.")
     }
-    
+
     for cipher in data.Ciphers.iter() {
         match cipher.Id {
             Some(ref id) => cipher_ids.push(id.to_string()),
@@ -388,7 +388,7 @@ fn put_cipher_share_seleted(data: JsonUpcase<ShareSelectedCipherData>, headers:
     }
 
     let attachments = Attachment::find_by_ciphers(cipher_ids, &conn);
-    
+
     if attachments.len() > 0 {
         err!("Ciphers should not have any attachments.")
     }
@@ -492,7 +492,10 @@ fn post_attachment(uuid: String, data: Data, content_type: &ContentType, headers
         };
 
         let attachment = Attachment::new(file_name, cipher.uuid.clone(), name, size);
-        attachment.save(&conn);
+        match attachment.save(&conn) {
+            Ok(()) => (),
+            Err(_) => println!("Error: failed to save attachment")
+        };
     }).expect("Error processing multipart data");
 
     Ok(Json(cipher.to_json(&headers.host, &headers.user.uuid, &conn)))
@@ -654,7 +657,7 @@ fn delete_all(data: JsonUpcase<PasswordData>, headers: Headers, conn: DbConn) ->
     for f in Folder::find_by_user(&user.uuid, &conn) {
         if f.delete(&conn).is_err() {
             err!("Failed deleting folder")
-        } 
+        }
     }
 
     Ok(())

src/db/models/attachment.rs

@@ -53,13 +53,11 @@ use db::schema::attachments;
 
 /// Database methods
 impl Attachment {
-    pub fn save(&self, conn: &DbConn) -> bool {
-        match diesel::replace_into(attachments::table)
+    pub fn save(&self, conn: &DbConn) -> QueryResult<()> {
+        diesel::replace_into(attachments::table)
             .values(self)
-            .execute(&**conn) {
-            Ok(1) => true, // One row inserted
-            _ => false,
-        }
+            .execute(&**conn)
+            .and(Ok(()))
     }
 
     pub fn delete(self, conn: &DbConn) -> QueryResult<()> {
@@ -67,7 +65,7 @@ impl Attachment {
         use std::{thread, time};
 
         let mut retries = 10;
-        
+
         loop {
             match diesel::delete(
                 attachments::table.filter(