API deserialization structs

5 files changed, 189 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+/target
+*~
+.#*
+\#*
diff --git a/Cargo.toml b/Cargo.toml
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+++ b/Cargo.toml
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+[package]
+name = "lfm_embed"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/src/deserialize.rs b/src/deserialize.rs
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+++ b/src/deserialize.rs
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+use serde::{Deserialize, Deserializer, de};
+use serde_json::Value;
+
+use std::collections::HashMap;
+use std::sync::Arc;
+
+fn str_num<'de, D, T>(d: D) -> Result<T, D::Error> where D: Deserializer<'de>, T: From<u64> {
+    struct Visitor;
+    impl<'v> de::Visitor<'v> for Visitor {
+        type Value = u64;
+        fn expecting(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+            write!(f, "a value which can be interpreted as a uint")
+        }
+        fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+        where
+            E: de::Error
+        {
+            v.parse().map_err(|_| de::Error::invalid_value(de::Unexpected::Str(v), &"a string which can be parsed as a uint"))
+        }
+        fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
+        where
+            E: de::Error
+        {
+            Ok(v)
+        }
+    }
+    d.deserialize_any(Visitor).map(Into::into)
+}
+fn str_bool<'de, D, T>(d: D) -> Result<T, D::Error> where D: Deserializer<'de>, T: From<bool>{
+    struct Visitor;
+    impl<'v> de::Visitor<'v> for Visitor {
+        type Value = bool;
+        fn expecting(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+            write!(f, "a value which can be interpreted as a uint")
+        }
+        fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+        where
+            E: de::Error
+        {
+            match v.to_ascii_lowercase().as_str() {
+                "true" | "1" => Ok(true),
+                "false" | "0" => Ok(false),
+                _ => Err(de::Error::invalid_value(de::Unexpected::Str(v), &"a string which can be parsed as a bool"))
+            }
+        }
+        fn visit_bool<E>(self, v: bool) -> Result<Self::Value, E>
+        where
+            E: de::Error
+        {
+            Ok(v)
+        }
+    }
+    d.deserialize_any(Visitor).map(Into::into)
+}
+
+
+#[derive(Deserialize, Debug)]
+pub struct TimeStamp {
+    #[serde(alias = "unixtime")]
+    #[serde(alias = "uts")]
+    #[serde(deserialize_with = "str_num")]
+    pub unix_timestamp: u64,
+    #[serde(rename = "#text")]
+    pub text: Value
+}
+
+#[derive(Deserialize, Debug)]
+pub struct Artist {
+    #[serde(rename = "mbid")]
+    pub uuid: Arc<str>,
+    #[serde(alias = "#text")]
+    pub name: Arc<str>,
+    
+    #[serde(default)]
+    #[serde(rename = "image")]
+    pub images: Vec<Image>,
+    pub #[serde(default)]
+    url: Option<Arc<str>>
+}
+
+#[derive(Deserialize, Debug)]
+#[serde(rename_all = "lowercase")]
+pub enum ImageSize {
+    Small,
+    Medium,
+    Large,
+    ExtraLarge
+}
+
+#[derive(Deserialize, Debug)]
+pub struct Image {
+    pub size: ImageSize,
+    #[serde(rename = "#text")]
+    pub url: Arc<str>,
+}
+
+#[derive(Deserialize, Debug)]
+pub struct Album {
+    #[serde(rename = "mbid")]
+    pub uuid: Arc<str>,
+    #[serde(rename = "#text")]
+    pub name: Arc<str>,
+}
+
+#[derive(Default, Deserialize, Debug)]
+pub struct TrackAttr {
+    #[serde(default)]
+    #[serde(deserialize_with = "str_bool")]
+    pub nowplaying: bool,
+    #[serde(flatten)]
+    pub rest: HashMap<Arc<str>, Value>,
+}
+
+#[derive(Deserialize, Debug)]
+pub struct Track {
+    pub artist: Artist,
+    #[serde(deserialize_with = "str_bool")]
+    pub streamable: bool,
+    #[serde(rename = "image")]
+    pub images: Vec<Image>,
+    #[serde(rename = "mbid")]
+    pub uuid: Arc<str>,
+    pub album: Album,
+    pub name: Arc<str>,
+    #[serde(rename = "@attr")]
+    #[serde(default)]
+    pub attr: TrackAttr,
+    pub url: Arc<str>,
+    
+    #[serde(default)]
+    #[serde(deserialize_with = "str_bool")]
+    pub loved: Option<bool>,
+    #[serde(default)]
+    pub date: Option<TimeStamp>
+}
+
+#[derive(Deserialize, Debug)]
+pub struct RecentTracks {
+    pub track: Vec<Track>
+}
+#[derive(Deserialize, Debug)]
+pub struct GetRecentTracks {
+    pub recenttracks: RecentTracks
+}
+
+#[derive(Deserialize, Debug)]
+pub struct User {
+    pub name: Arc<str>,
+    #[serde(deserialize_with = "str_bool")]
+    pub subscriber: bool,
+    pub realname: Arc<str>,
+    #[serde(deserialize_with = "str_num")]
+    pub playcount: u64,
+    #[serde(deserialize_with = "str_num")]
+    pub artist_count: u64,
+    #[serde(deserialize_with = "str_num")]
+    pub playlists: u64,
+    #[serde(deserialize_with = "str_num")]
+    pub track_count: u64,
+    #[serde(deserialize_with = "str_num")]
+    pub album_count: u64,
+    
+    #[serde(rename = "image")]
+    pub images: Vec<Image>,
+    
+    pub registered: TimeStamp,
+    pub url: Arc<str>
+}
+
+#[derive(Deserialize, Debug)]
+pub struct GetUserInfo {
+    pub user: User
+}
diff --git a/src/lib.rs b/src/lib.rs
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+++ b/src/lib.rs
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+mod deserialize;
diff --git a/src/main.rs b/src/main.rs
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--- /dev/null
+++ b/src/main.rs
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+fn main() {
+    println!("Hello, world!");
+}