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Merge pull request #53 from dzcode-io/chore/algebraic-data-types-impl…
…ementation use const and match statement instead of json data
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,2 +1,2 @@ | ||
target | ||
src/_data | ||
src/_auto_generated |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,19 +1,135 @@ | ||
use serde_json::Value; | ||
use std::{fs, io, path::Path}; | ||
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fn copy_dir_all(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> io::Result<()> { | ||
fs::create_dir_all(&dst)?; | ||
for entry in fs::read_dir(src)? { | ||
let entry = entry?; | ||
let ty = entry.file_type()?; | ||
fn dir_tree_to_list(dir: impl AsRef<Path>) -> (String, String) { | ||
let info_path = dir.as_ref().join("info.json"); | ||
let info_dot_json = match info_path.exists() { | ||
true => { | ||
let info = fs::read_to_string(&info_path).unwrap(); | ||
let info: Value = serde_json::from_str(info.as_str()).unwrap(); | ||
let mut info = info.as_object().unwrap().clone(); | ||
info.remove("$schema"); | ||
Some(Value::Object(info)) | ||
} | ||
false => None, | ||
}; | ||
let this_node = match &info_dot_json { | ||
Some(info) => { | ||
let path = dir.as_ref().display().to_string(); | ||
let path = path.split("_data/").last().unwrap_or(&path); | ||
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format!( | ||
r#"const {}: Node = Node {{ | ||
name: NodeName {{ | ||
en: {}, | ||
ar: {}, | ||
fr: {}, | ||
}}, | ||
r#type: {}, | ||
}}; | ||
"#, | ||
path.replace("/", "_").to_uppercase(), | ||
info.get("name").unwrap().get("en").unwrap(), | ||
info.get("name").unwrap().get("ar").unwrap(), | ||
info.get("name").unwrap().get("fr").unwrap(), | ||
match &info.get("type").unwrap() { | ||
Value::String(s) => { | ||
let ty = s | ||
.chars() | ||
.enumerate() | ||
.map(|(i, c)| { | ||
if i == 0 { | ||
c.to_uppercase().to_string() | ||
} else { | ||
c.to_lowercase().to_string() | ||
} | ||
}) | ||
.collect::<String>(); | ||
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match ty.as_str() { | ||
"Specialty" | "Sector" => format!( | ||
r#"NodeType::{}{{ | ||
terms: NodeTerms {{ | ||
per_year: 2, | ||
slots: &[7, 8, 9, 10], | ||
}}, | ||
}}"#, | ||
ty | ||
), | ||
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_ => format!("NodeType::{}", ty), | ||
} | ||
} | ||
_ => "".to_string(), | ||
} | ||
) | ||
} | ||
None => String::new(), | ||
}; | ||
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let this_match = match &info_dot_json { | ||
Some(_) => { | ||
let path = dir.as_ref().display().to_string(); | ||
let path = path.split("_data/").last().unwrap_or(&path); | ||
format!( | ||
" \"{}\" => Some(&{}),\n", | ||
path, | ||
path.replace("/", "_").to_uppercase() | ||
) | ||
} | ||
None => String::new(), | ||
}; | ||
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let sub_dirs = fs::read_dir(&dir).unwrap(); | ||
let children = sub_dirs.filter_map(|entry| { | ||
let entry = entry.unwrap(); | ||
let ty = entry.file_type().unwrap(); | ||
if ty.is_dir() { | ||
copy_dir_all(entry.path(), dst.as_ref().join(entry.file_name()))?; | ||
Some(dir_tree_to_list(entry.path())) | ||
} else { | ||
fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?; | ||
None | ||
} | ||
} | ||
}); | ||
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let mut constants = String::new(); | ||
let mut matches = String::new(); | ||
children.for_each(|(c, m)| { | ||
constants.push_str(&c); | ||
matches.push_str(&m); | ||
}); | ||
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( | ||
format!("{}{}", this_node, constants), | ||
format!("{}{}", this_match, matches), | ||
) | ||
} | ||
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fn generate_data_file() -> Result<(), io::Error> { | ||
let string_tree = dir_tree_to_list("../_data"); | ||
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let data = format!( | ||
r##"// This is auto-generated. Do not edit manually. | ||
use crate::node::model::{{Node, NodeName, NodeType, NodeTerms}}; | ||
{} | ||
pub fn get_node_by_path(path: &str) -> Option<&Node> {{ | ||
match path {{ | ||
{} | ||
_ => None, | ||
}} | ||
}}"##, | ||
string_tree.0, string_tree.1 | ||
); | ||
fs::create_dir_all("./src/_auto_generated")?; | ||
fs::write("./src/_auto_generated/data.rs", data)?; | ||
fs::write( | ||
"./src/_auto_generated/mod.rs", | ||
"// This is auto-generated. Do not edit manually\npub mod data;\n", | ||
)?; | ||
Ok(()) | ||
} | ||
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fn main() { | ||
copy_dir_all(Path::new("../_data"), Path::new("./src/_data")).unwrap(); | ||
generate_data_file().unwrap(); | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,2 +1,3 @@ | ||
mod _auto_generated; | ||
pub mod api; | ||
pub mod node; |
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Original file line number | Diff line number | Diff line change |
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@@ -1,79 +1,30 @@ | ||
use serde::{Deserialize, Serialize}; | ||
use serde_json::json; | ||
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#[derive(Debug, Serialize, Deserialize, PartialEq)] | ||
#[derive(Debug, PartialEq)] | ||
pub struct NodeName { | ||
pub ar: String, | ||
pub en: String, | ||
pub fr: String, | ||
} | ||
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impl std::fmt::Display for NodeName { | ||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { | ||
let obj = json!({"ar": self.ar, "en": self.en, "fr": self.fr}); | ||
write!(f, "{}", serde_json::to_string_pretty(&obj).unwrap()) | ||
} | ||
pub ar: &'static str, | ||
pub en: &'static str, | ||
pub fr: &'static str, | ||
} | ||
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#[derive(Debug, Serialize, Deserialize, PartialEq)] | ||
#[serde(tag = "type")] // to flatten the enum to the parent struct | ||
#[derive(Debug, PartialEq)] | ||
pub enum NodeType { | ||
#[serde(rename = "UNIVERSITY")] | ||
University, | ||
#[serde(rename = "ACADEMY")] | ||
Academy, | ||
#[serde(rename = "PRIVATE_SCHOOL")] | ||
PrivateSchool, | ||
#[serde(rename = "INSTITUTE")] | ||
Institute, | ||
#[serde(rename = "FACULTY")] | ||
Faculty, | ||
#[serde(rename = "DEPARTMENT")] | ||
Department, | ||
#[serde(rename = "SPECIALTY")] | ||
Specialty { terms: NodeTerms }, | ||
#[serde(rename = "SECTOR")] | ||
Sector { terms: NodeTerms }, | ||
} | ||
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impl std::fmt::Display for NodeType { | ||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { | ||
match self { | ||
NodeType::University => write!(f, "UNIVERSITY"), | ||
NodeType::Academy => write!(f, "ACADEMY"), | ||
NodeType::PrivateSchool => write!(f, "PRIVATE_SCHOOL"), | ||
NodeType::Institute => write!(f, "INSTITUTE"), | ||
NodeType::Faculty => write!(f, "FACULTY"), | ||
NodeType::Department => write!(f, "DEPARTMENT"), | ||
NodeType::Specialty { .. } => write!(f, "SPECIALTY"), | ||
NodeType::Sector { .. } => write!(f, "SECTOR"), | ||
} | ||
} | ||
} | ||
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#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)] | ||
#[derive(Debug, PartialEq, Clone)] | ||
pub struct NodeTerms { | ||
#[serde(rename = "perYear")] | ||
pub per_year: usize, | ||
pub slots: Vec<usize>, | ||
pub slots: &'static [i32], | ||
} | ||
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impl std::fmt::Display for NodeTerms { | ||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { | ||
let obj = json!({"perYear": self.per_year, "slots": self.slots}); | ||
write!(f, "{}", serde_json::to_string_pretty(&obj).unwrap()) | ||
} | ||
} | ||
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#[derive(Debug, Serialize, Deserialize, PartialEq)] | ||
#[derive(Debug, PartialEq)] | ||
pub struct Node { | ||
pub name: NodeName, | ||
#[serde(flatten)] | ||
pub r#type: NodeType, | ||
} | ||
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impl std::fmt::Display for Node { | ||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { | ||
write!(f, "{}", serde_json::to_string_pretty(&self).unwrap()) | ||
} | ||
} |