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use std::fs;
use std::path::Path;
use anyhow::anyhow;
use serde_derive::Deserialize;
use serde_derive::Serialize;
#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub struct Root {
pub listen: String,
pub fields: Vec<Field>,
pub relations: Vec<Relation>,
}
#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub struct Field {
pub id: String,
#[serde(default = "distinct_default")]
pub distinct: bool,
}
fn distinct_default() -> bool {
false
}
#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub struct Relation {
pub name: String,
pub connect: String,
pub table_name: String,
pub fields: Vec<RelationField>,
}
#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub struct RelationField {
pub id: String,
pub query: String,
}
pub fn read_file<P: AsRef<Path>>(path: P) -> Result<Root, anyhow::Error> {
let s = match fs::read_to_string(path) {
Ok(s) => s,
Err(why) => {
return Err(anyhow!("failed to read toml file: {}", why));
}
};
match toml::from_str(&*s) {
Ok(r) => Ok(r),
Err(why) => Err(anyhow!("failed to decode toml file: {}", why)),
}
}
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