Implement more database methods and basic API routes (#50)

* feat: Implement more database methods & add mod and version routes

* feat: Implement deleting mods/versions & implement categories

* feat: Implement routes for categories, game versions & loaders

* feat: Reorganize API routes in a (hopefully) usable way

src/models/ids.rs

@@ -171,7 +171,7 @@ pub mod base62_impl {
 
     fn parse_base62(string: &str) -> Result<u64, DecodingError> {
         let mut num: u64 = 0;
-        for c in string.chars().rev() {
+        for c in string.chars() {
             let next_digit;
             if c.is_ascii_digit() {
                 next_digit = (c as u8 - b'0') as u64;

src/models/mods.rs

@@ -81,20 +81,13 @@ pub struct Version {
 /// A single mod file, with a url for the file and the file's hash
 #[derive(Serialize, Deserialize)]
 pub struct VersionFile {
-    /// A list of hashes of the file
-    pub hashes: Vec<FileHash>,
+    /// A map of hashes of the file.  The key is the hashing algorithm
+    /// and the value is the string version of the hash.
+    pub hashes: std::collections::HashMap<String, String>,
     /// A direct link to the file for downloading it.
     pub url: String,
-}
-
-/// A hash of a mod's file
-#[derive(Serialize, Deserialize)]
-pub struct FileHash {
-    // TODO: decide specific algorithms
-    /// The hashing algorithm used for this hash; could be "md5", "sha1", etc
-    pub algorithm: String,
-    /// The file hash, using the specified algorithm
-    pub hash: String,
+    /// A direct link to the file for downloading it.
+    pub filename: String,
 }
 
 #[derive(Serialize, Deserialize, Clone)]