For content titles:

- remove everything that is not alphanumeric, - or '
- replace : with -
- replace multiple whitespaces with one

src/main.rs

@@ -6,6 +6,7 @@ extern crate curl;
 extern crate env_logger;
 #[macro_use]
 extern crate log;
+extern crate regex;
 extern crate serde;
 extern crate serde_json;
 #[macro_use]
@@ -28,7 +29,7 @@ fn main() {
     env_logger::init().unwrap();
 
     let matches = App::new("Gog Synchronizer")
-        .version("0.3.2")
+        .version("0.3.3")
         .author("Sebastian Hugentobler <sebastian@vanwa.ch>")
         .about("Synchronizes your gog library to a local folder.")
         .arg(Arg::with_name("game-storage")

src/models.rs

@@ -4,6 +4,8 @@ use std::hash::{Hash, Hasher};
 use std::collections::BTreeMap;
 use std::collections::HashMap;
 use std::collections::hash_map::DefaultHasher;
+use serde::{Deserialize, Deserializer};
+use regex::Regex;
 
 #[derive(Serialize, Deserialize)]
 pub struct Token {
@@ -73,6 +75,7 @@ impl Config {
 pub struct Content {
     #[serde(skip_deserializing)]
     pub id: u64,
+    #[serde(deserialize_with = "normalize_title")]
     pub title: String,
     #[serde(skip_deserializing)]
     #[serde(rename(deserialize = "cdKey"))]
@@ -90,6 +93,25 @@ impl fmt::Display for Content {
     }
 }
 
+fn normalize_title<D>(deserializer: D) -> Result<String, D::Error>
+    where D: Deserializer
+{
+    let raw_title = String::deserialize(deserializer)?.replace(":", " - ");
+
+    let regex_normalize = Regex::new(r"[^'^\w^\s^-]+").unwrap();
+    let regex_whitespace = Regex::new(r"\s\s+").unwrap();
+
+    let title_normalized = regex_normalize
+        .replace_all(raw_title.as_str(), "")
+        .to_string();
+
+    let title_whitespace = regex_whitespace
+        .replace_all(title_normalized.as_str(), " ")
+        .to_string();
+
+    Ok(title_whitespace)
+}
+
 #[derive(Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct ContentInfo {