templates can be loaded from json now

1 files changed, 17 insertions, 0 deletions

diff --git a/src/template.rs b/src/template.rs
index b6b34cb..24e672b 100644
--- a/src/template.rs
+++ b/src/template.rs
@@ -1,6 +1,7 @@
 
 
 use std::collections::HashMap;
+use serde_json::{json, Value};
 use crate::parameter::Parameter;
 
 #[derive(Debug)]
@@ -24,4 +25,20 @@ impl Template {
 	pub fn empty(name: &str) -> Self {
 		Self::new(name, HashMap::new())
 	}
+	
+	pub fn from_json(val: Value) -> Option<Template> {
+		if val.is_string(){
+			return Some(Self::empty(val.as_str()?));
+		}
+		let name = val.get("type")?.as_str()?.to_string();
+		let mut args = Vec::new();
+		for arg in val.get("args").unwrap_or(&json!({})).as_array()? {
+			args.push(Parameter::guess_from_json(arg)?);
+		}
+		let mut kwargs = HashMap::new();
+		for (key, arg) in val.get("kwargs").unwrap_or(&json!({})).as_object()? {
+			kwargs.insert(key.to_string(), Parameter::guess_from_json(arg)?);
+		}
+		Some(Template {name, args, kwargs})
+	}
 }