Add enchantments and change data path resolution

Signed-off-by: trivernis <trivernis@protonmail.com>

.gitignore

@@ -1,2 +1,3 @@
 /target
 Cargo.lock
+.idea

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "minecraft-data-rs"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["trivernis <trivernis@protonmail.com>"]
 edition = "2018"
 readme = "README.md"
@@ -16,3 +16,5 @@ serde_json = "1.0.64"
 serde_derive = "1.0.125"
 serde = "1.0.125"
 include_dir = "0.6.0"
+itertools = "0.10.0"
+lazy_static = "1.4.0"

src/api/enchantments.rs

@@ -0,0 +1,53 @@
+use crate::data::{get_version_specific_file, ENCHANTMENTS_FILE};
+use crate::models::enchantment::Enchantment;
+use crate::models::version::Version;
+use crate::{DataError, DataResult};
+use itertools::*;
+use std::collections::HashMap;
+use std::iter::FromIterator;
+use std::sync::Arc;
+
+#[derive(Clone, Debug)]
+pub struct Enchantments {
+    version: Arc<Version>,
+}
+
+impl Enchantments {
+    pub fn new(version: Arc<Version>) -> Self {
+        Self { version }
+    }
+
+    /// Returns a list of enchantments
+    pub fn enchantments_array(&self) -> DataResult<Vec<Enchantment>> {
+        let content = get_version_specific_file(&self.version, ENCHANTMENTS_FILE)?;
+
+        serde_json::from_str::<Vec<Enchantment>>(&*content).map_err(DataError::from)
+    }
+
+    /// Returns a map of enchantments indexed by ID
+    pub fn enchantments(&self) -> DataResult<HashMap<u32, Enchantment>> {
+        Ok(HashMap::from_iter(
+            self.enchantments_array()?.into_iter().map(|e| (e.id, e)),
+        ))
+    }
+
+    /// Returns a map of enchantments indexed by Name
+    pub fn enchantments_by_name(&self) -> DataResult<HashMap<String, Enchantment>> {
+        Ok(HashMap::from_iter(
+            self.enchantments_array()?
+                .into_iter()
+                .map(|e| (e.name.clone(), e)),
+        ))
+    }
+
+    /// Returns enchantments grouped by category
+    pub fn enchantments_by_category(&self) -> DataResult<HashMap<String, Vec<Enchantment>>> {
+        Ok(HashMap::from_iter(
+            self.enchantments_array()?
+                .into_iter()
+                .group_by(|e| e.category.clone())
+                .into_iter()
+                .map(|(key, group)| (key, group.collect())),
+        ))
+    }
+}

src/api/mod.rs

@@ -1,3 +1,4 @@
+use crate::api::enchantments::Enchantments;
 use crate::api::items::Items;
 use crate::api::recipes::Recipes;
 use crate::models::version::Version;
@@ -6,6 +7,7 @@ use std::sync::Arc;
 #[cfg(test)]
 mod tests;
 
+pub mod enchantments;
 pub mod items;
 mod recipes;
 pub mod versions;
@@ -14,6 +16,7 @@ pub struct Api {
     pub version: Arc<Version>,
     pub items: Items,
     pub recipes: Recipes,
+    pub enchantments: Enchantments,
 }
 
 impl Api {
@@ -23,6 +26,7 @@ impl Api {
             version: Arc::clone(&version),
             items: Items::new(Arc::clone(&version)),
             recipes: Recipes::new(Arc::clone(&version)),
+            enchantments: Enchantments::new(Arc::clone(&version)),
         }
     }
 }

src/api/tests/enchantments.rs

@@ -0,0 +1,47 @@
+use crate::api::tests::{get_api, get_test_versions};
+
+#[test]
+pub fn test_enchantments_array() {
+    let versions = get_test_versions();
+
+    for version in versions {
+        let api = get_api(version);
+        let enchantments_array = api.enchantments.enchantments_array().unwrap();
+        assert_ne!(enchantments_array.len(), 0);
+    }
+}
+
+#[test]
+pub fn test_enchantments() {
+    let versions = get_test_versions();
+
+    for version in versions {
+        let api = get_api(version);
+        let enchantments = api.enchantments.enchantments().unwrap();
+        assert_ne!(enchantments.len(), 0);
+    }
+}
+
+#[test]
+pub fn test_enchantments_by_name() {
+    let versions = get_test_versions();
+
+    for version in versions {
+        let api = get_api(version);
+        let by_name = api.enchantments.enchantments_by_name().unwrap();
+        assert!(by_name.get("unbreaking").is_some());
+        assert!(by_name.get("protection").is_some());
+    }
+}
+
+#[test]
+pub fn test_enchantments_by_category() {
+    let versions = get_test_versions();
+
+    for version in versions {
+        let api = get_api(version);
+        let by_category = api.enchantments.enchantments_by_category().unwrap();
+        assert!(by_category.get("breakable").is_some());
+        assert_ne!(by_category.get("breakable").unwrap().len(), 0);
+    }
+}

src/api/tests/mod.rs

@@ -2,6 +2,7 @@ use crate::api::versions::{available_versions, versions};
 use crate::api::Api;
 use crate::models::version::Version;
 
+mod enchantments;
 mod items;
 mod recipes;
 mod versions;

src/data/datapaths.rs

@@ -0,0 +1,9 @@
+use serde_json::Value;
+use std::collections::HashMap;
+
+#[derive(Deserialize, Debug, Clone)]
+#[serde(rename_all(deserialize = "camelCase", serialize = "snake_case"))]
+pub(crate) struct Datapaths {
+    pub pc: HashMap<String, HashMap<String, String>>,
+    pub pe: HashMap<String, HashMap<String, String>>,
+}

src/data/mod.rs

@@ -1,31 +1,36 @@
+mod datapaths;
+
+use crate::data::datapaths::Datapaths;
 use crate::models::version::Version;
 use crate::{DataError, DataResult};
 use include_dir::Dir;
+use std::collections::HashMap;
 
-pub static MINECRAFT_DATA: Dir = include_dir::include_dir!("minecraft-data/data/pc");
+pub static MINECRAFT_DATA: Dir = include_dir::include_dir!("minecraft-data/data");
 
-pub static BIOMES_FILE: &str = "biomes.json";
+pub static BIOMES_FILE: &str = "biomes";
-pub static BLOCK_LOOT_FILE: &str = "blockLoot.json";
+pub static BLOCK_LOOT_FILE: &str = "blockLoot";
-pub static BLOCKS_FILE: &str = "blocks.json";
+pub static BLOCKS_FILE: &str = "blocks";
-pub static COMMANDS_FILE: &str = "commands.json";
+pub static COMMANDS_FILE: &str = "commands";
-pub static ENTITIES_FILE: &str = "entities.json";
+pub static ENTITIES_FILE: &str = "entities";
-pub static ENTITY_LOOT_FILE: &str = "entityLoot.json";
+pub static ENTITY_LOOT_FILE: &str = "entityLoot";
-pub static ITEMS_FILE: &str = "items.json";
+pub static ITEMS_FILE: &str = "items";
-pub static LOGIN_PACKET_FILE: &str = "loginPacket.json";
+pub static LOGIN_PACKET_FILE: &str = "loginPacket";
-pub static MATERIALS_FILE: &str = "materials.json";
+pub static MATERIALS_FILE: &str = "materials";
-pub static PROTOCOL_FILE: &str = "protocol.json";
+pub static PROTOCOL_FILE: &str = "protocol";
-pub static RECIPES_FILE: &str = "recipes.json";
+pub static RECIPES_FILE: &str = "recipes";
-pub static TINTS_FILE: &str = "tints.json";
+pub static TINTS_FILE: &str = "tints";
+pub static ENCHANTMENTS_FILE: &str = "enchantments";
 // pub static VERSION_FILE: &str = "version.json";
-pub static MAP_ICONS_FILE: &str = "mapIcons.json";
+pub static MAP_ICONS_FILE: &str = "mapIcons";
-pub static PARTICLES_FILE: &str = "particles.json";
+pub static PARTICLES_FILE: &str = "particles";
-pub static PROTOCOL_VERSIONS_FILE: &str = "protocolVersions.json";
+pub static PROTOCOL_VERSIONS_FILE: &str = "protocolVersions";
-pub static VERSIONS_FILE: &str = "versions.json";
+pub static VERSIONS_FILE: &str = "versions";
 
 /// Returns the string encoded content of the common file
 pub fn get_common_file(filename: &str) -> DataResult<String> {
     MINECRAFT_DATA
-        .get_file(format!("common/{}", filename))
+        .get_file(format!("pc/common/{}.json", filename))
         .ok_or(DataError::NotFoundError(filename.to_string()))?
         .contents_utf8()
         .ok_or(DataError::InvalidEncodingError(filename.to_string()))
@@ -34,23 +39,10 @@ pub fn get_common_file(filename: &str) -> DataResult<String> {
 
 /// Returns the string encoded content of the version specific file
 pub fn get_version_specific_file(version: &Version, filename: &str) -> DataResult<String> {
-    let search_folders = vec![
+    let path = get_path(version, filename)?;
-        version.minecraft_version.clone(),
+    MINECRAFT_DATA
-        version.major_version.clone(),
+        .get_file(format!("{}/{}.json", path, filename))
-        version.major_first(),
+        .ok_or(DataError::NotFoundError(format!(
-        version.previous_major(),
-        version.previous_major_first(),
-    ];
-    let mut data = None;
-
-    for folder in search_folders {
-        data = MINECRAFT_DATA.get_file(format!("{}/{}", folder, filename));
-        if data.is_some() {
-            break;
-        }
-    }
-
-    data.ok_or(DataError::NotFoundError(format!(
             "{}/{}",
             version.minecraft_version, filename
         )))?
@@ -58,3 +50,29 @@ pub fn get_version_specific_file(version: &Version, filename: &str) -> DataResul
         .ok_or(DataError::InvalidEncodingError(filename.to_string()))
         .map(|d| d.to_string())
 }
+
+/// Returns the data path for a given file
+pub fn get_path(version: &Version, filename: &str) -> DataResult<String> {
+    lazy_static::lazy_static! {
+         static ref PATHS: Datapaths = getDatapaths().unwrap();
+    };
+    PATHS
+        .pc
+        .get(&version.minecraft_version)
+        .ok_or(DataError::NotFoundError(version.minecraft_version.clone()))?
+        .get(filename)
+        .cloned()
+        .ok_or(DataError::NotFoundError(filename.to_string()))
+}
+
+/// Returns the parsed data paths
+fn getDatapaths() -> DataResult<Datapaths> {
+    let content = MINECRAFT_DATA
+        .get_file("dataPaths.json")
+        .ok_or(DataError::NotFoundError("dataPaths.json".to_string()))?
+        .contents_utf8()
+        .ok_or(DataError::InvalidEncodingError(
+            "dataPaths.json".to_string(),
+        ))?;
+    serde_json::from_str::<Datapaths>(content).map_err(DataError::from)
+}

src/models/enchantment.rs

@@ -0,0 +1,23 @@
+#[derive(Deserialize, Debug, Clone)]
+#[serde(rename_all(deserialize = "camelCase", serialize = "snake_case"))]
+pub struct Enchantment {
+    pub id: u32,
+    pub name: String,
+    pub display_name: String,
+    pub max_level: u8,
+    pub min_cost: Cost,
+    pub max_cost: Cost,
+    pub treasure_only: bool,
+    pub exclude: Vec<String>,
+    pub category: String,
+    pub weight: u8,
+    pub tradeable: bool,
+    pub discoverable: bool,
+}
+
+#[derive(Deserialize, Debug, Clone)]
+#[serde(rename_all(deserialize = "camelCase", serialize = "snake_case"))]
+pub struct Cost {
+    pub a: i32,
+    pub b: i32,
+}

src/models/item.rs

@@ -1,5 +1,3 @@
-use serde_json::Value;
-
 #[derive(Deserialize, Debug, Clone)]
 #[serde(rename_all(deserialize = "camelCase", serialize = "snake_case"))]
 pub struct Item {
@@ -10,6 +8,13 @@ pub struct Item {
     pub fixed_with: Option<Vec<String>>,
     pub max_durability: Option<u32>,
     pub name: String,
-    pub variations: Option<Value>,
+    pub variations: Option<Vec<Variation>>,
     pub durability: Option<u32>,
 }
+
+#[derive(Deserialize, Debug, Clone)]
+#[serde(rename_all(deserialize = "camelCase", serialize = "snake_case"))]
+pub struct Variation {
+    pub metadata: u32,
+    pub display_name: String,
+}

src/models/mod.rs

@@ -1,3 +1,4 @@
+pub mod enchantment;
 pub mod item;
 pub mod recipe;
 pub mod version;