works on making event models work

lootalot_db/Cargo.toml

@@ -9,6 +9,7 @@ dotenv = "*"
 diesel_migrations = "*"
 serde = "*"
 serde_derive = "*"
+serde_json = "*"
 
 [dependencies.diesel]
 version = "1.4"

lootalot_db/src/models/history.rs

@@ -1,6 +1,7 @@
 use diesel::prelude::*;
+use serde_json;
 use crate::schema::history;
-use crate::{DbConnection, QueryResult};
+use crate::{DbConnection, QueryResult, Update};
 
 /// An event in history
 #[derive(Debug, Queryable)]
@@ -9,24 +10,32 @@ pub struct Event {
     player_id: i32,
     event_date: String,
     text: String,
-    updates: Option<String>,
+    updates: Option<Vec<Update>>,
 }
 
+impl diesel::deserialize::FromSql<diesel::sql_types::Text, diesel::sqlite::Sqlite> for Vec<Update> {
+    fn from_sql(bytes: Option<<diesel::sqlite::Sqlite as diesel::backend::Backend>::RawValue>) -> diesel::deserialize::Result<Self> {
+        let repr = String::from_sql(bytes)?;
+        serde_json::from_str(&repr)
+    }
+}
+
+
 #[derive(Debug, Insertable)]
 #[table_name = "history"]
 struct NewEvent<'a> {
     player_id: i32,
     text: &'a str,
-    updates: &'a str,
+    updates: Option<String>,
 }
 
 /// Insert a new event
-pub fn insert_event(conn: &DbConnection, id: i32, text: &str, updates: &str) -> QueryResult<Event> {
+pub fn insert_event(conn: &DbConnection, id: i32, text: &str, updates: &Vec<Update>) -> QueryResult<Event> {
     diesel::insert_into(history::table)
         .values(&NewEvent {
             player_id: id,
             text,
-            updates,
+            updates: serde_json::to_string(updates).ok(),
         })
         .execute(conn)?;
     history::table