feat!: added ability to run functions & more metadata to object instances

server/src/modules/meta/text.rs

@@ -1,5 +1,7 @@
+use std::collections::HashMap;
 use serde_json::json;
-use crate::ObjectInstance;
+
+use crate::{modules::FunctionItem, types::ObjectInstance};
 
 pub const TEMPLATE: &str = r#"
 [input.value]
@@ -15,6 +17,19 @@ conditions = []
 duplicates = false
 "#;
 
+
+pub const TEMPLATE_LOCAL: &str = r#"
+[inputs.main]
+required = true
+object_type = "meta/text"
+count = 1
+
+[outputs.main]
+required = true
+object_type = "meta/text"
+count = 1
+"#;
+
 pub fn validate(obj: &ObjectInstance) -> Result<(), String> {
     let value = obj.input.get("value")
         .ok_or("input.value must exist")?;
@@ -25,17 +40,28 @@ pub fn validate(obj: &ObjectInstance) -> Result<(), String> {
     Ok(())
 }
 
-pub fn local(obj: &ObjectInstance) -> Result<ObjectInstance, String> {
-    let value = obj.input.get("value")
-        .ok_or("input.value must exist")?;
+pub fn local(
+    inputs: FunctionItem,
+    _params: Option<FunctionItem>
+)
+    -> Result<FunctionItem, String> 
+{
+    let Some(main) = inputs.get("main")
+        else { unreachable!() };
 
-    let value = value.as_str()
-        .ok_or("input.value must be a string")?;
+    let main_obj = &main[0];
 
-    let mut new = obj.clone();
-    new.local = json!({
-        "length": value.len()
+    let Some(value) = &main_obj.input.get("value")
+        else { unreachable!() };
+
+    let mut result_obj = ObjectInstance::from_object_type("meta/text", main_obj.input.clone())?;
+
+    result_obj.local = json!({
+        "length": value.to_string().len()
     });
 
-    Ok(new)
+    let mut result = HashMap::new();
+    result.insert(format!("main"), vec![result_obj]);
+
+    Ok(result)
 }