version 0.2.0

Cargo.toml

@@ -15,7 +15,7 @@ license = "Apache-2.0"
 name = "scaffolding-core"
 readme = "README.md"
 repository = "https://github.com/dsietz/scaffolding-core"
-version = "0.1.0"
+version = "0.2.0"
 
 [badges]
 maintenance = {status = "experimental"}
@@ -26,7 +26,10 @@ path = "src/lib.rs"
 
 [dependencies]
 chrono = "0.4.35"
-scaffolding-macros = {path = "./scaffolding-macros", version = "0.1.0"}
+scaffolding-macros = {path = "./scaffolding-macros", version = "0.2.0"}
+serde = "1.0.197"
+serde_derive = "1.0"
+serde_json = "1.0"
 
 [dependencies.uuid]
 features = ["v4"]

README.md

@@ -19,11 +19,13 @@ For software development teams who appreciate a kick-start to their object orien
 ---
 
 ## What's New
+| :warning: Please Note!                                                                  |
+| ----------------------------------------------------------------------------- |
+| This crate is in an `beta` release phase and is only intended as experimental.|
 
-!!! This crate is in an `Initial` release phase and is only intended as a PoC. !!!
-
-**0.1.0**
-+ [Added Metadata feature](https://github.com/dsietz/scaffolding-core/issues/2)
+**0.2.0**
++ [Add Activity Logging](https://github.com/dsietz/scaffolding-core/issues/18)
++ [Provide the ability to Serialize and Deserialize](https://github.com/dsietz/scaffolding-core/issues/19)
 
 ## How to Contribute
 

scaffolding-macros/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "scaffolding-macros"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["dsietz <davidsietz@yahoo.com>"]
 edition = "2021"
 readme = "README.md"
@@ -28,6 +28,9 @@ proc-macro = true
 [dependencies]
 quote = "1.0.35"
 syn = {version = "2.0.53", features = ["full", "extra-traits"]}
+serde = "1.0.197"
+serde_derive = "1.0"
+serde_json = "1.0"
 
 [dev-dependencies]
 serde_yaml = "0.9.27"

scaffolding-macros/src/lib.rs

@@ -5,14 +5,16 @@ use syn::Expr::Struct;
 use syn::FieldValue;
 use syn::Member;
 use syn::{parse_macro_input, parse_quote, punctuated::Punctuated, ItemStruct, LitStr, Token};
+// use serde::Serialize;
 
 static METADATA: &str = "metadata";
-static CORE_ATTRS: [&str; 5] = [
+static CORE_ATTRS: [&str; 6] = [
     "id",
     "created_dtm",
     "modified_dtm",
     "inactive_dtm",
     "expired_dtm",
+    "activity",
 ];
 
 ///
@@ -59,6 +61,13 @@ pub fn scaffolding_struct(args: TokenStream, input: TokenStream) -> TokenStream
                 .unwrap(),
         );
 
+        // The list of activity performed on the object
+        fields.named.push(
+            syn::Field::parse_named
+                .parse2(quote! { activity: Vec<ActivityItem> })
+                .unwrap(),
+        );
+
         // optional attributes
         match attrs.contains(&METADATA.to_string()) {
             true => {
@@ -110,9 +119,13 @@ fn impl_scaffolding(ast: &syn::DeriveInput) -> TokenStream {
     let name = &ast.ident;
     let gen = quote! {
         impl Scaffolding for #name {
-            // fn set_id(mut &self, value: String) {
-            //     self.id = value;
-            // }
+            fn get_activity(&self, name: String) -> Vec<ActivityItem>{
+                self.activity.iter().filter(|a| a.action == name).cloned().collect()
+            }
+
+            fn log_activity(&mut self, name: String, descr: String) {
+                self.activity.push(ActivityItem::new(name, descr));
+            }
         }
     };
     gen.into()
@@ -149,6 +162,7 @@ pub fn scaffolding_fn(args: TokenStream, input: TokenStream) -> TokenStream {
                                 "modified_dtm",
                                 "inactive_dtm",
                                 "expired_dtm",
+                                "activity",
                             ];
 
                             match attrs.contains(&METADATA.to_string()) {
@@ -201,6 +215,10 @@ pub fn scaffolding_fn(args: TokenStream, input: TokenStream) -> TokenStream {
                                         let line: FieldValue = parse_quote! {expired_dtm: defaults::add_years(defaults::now(), 3)};
                                         expr_struct.fields.insert(0, line);
                                     }
+                                    "activity" => {
+                                        let line: FieldValue = parse_quote! {activity: Vec::new()};
+                                        expr_struct.fields.insert(0, line);
+                                    }
                                     "metadata" => {
                                         let line: FieldValue =
                                             parse_quote! {metadata: BTreeMap::new()};

scaffolding-macros/tests/macro_test.rs → scaffolding-macros/tests/macro_test.rs.old

@@ -1,11 +1,19 @@
 // #[macro_use]
 extern crate scaffolding_macros;
 
+
 #[cfg(test)]
 mod tests {
     use scaffolding_macros::*;
     use std::collections::BTreeMap;
 
+    #[derive(Debug, Clone)]
+    struct ActivityItem {
+        created_dtm: i64,
+        action: String,
+        description: String,
+    }
+
     #[scaffolding_struct("metadata")]
     #[derive(Debug, Clone)]
     struct MyEntity {

src/errors.rs

@@ -0,0 +1,14 @@
+use std::error;
+use std::fmt;
+
+// struct
+#[derive(Debug, Clone)]
+pub struct DeserializeError;
+
+//impl
+impl fmt::Display for DeserializeError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "Unable to deserialize.")
+    }
+}
+impl error::Error for DeserializeError {}