Implement ToSql for custom types in Site model.

src/lib.rs

@@ -20,8 +20,13 @@ pub mod security;
 pub mod web;
 
 use diesel::Queryable;
+use diesel::serialize::{Output, Result, ToSql};
+use diesel::sql_types::Jsonb;
+use diesel::pg::Pg;
 use std::collections::HashMap;
 use std::default::Default;
+use std::io::Write;
+use std::vec::Vec;
 
 use chrono::{DateTime, NaiveDateTime, Utc};
 use serde_json::Value;
@@ -144,9 +149,9 @@ pub struct Site {
     pub landing_page: String,
     pub header: String,
     pub footer: String,
-    pub menu: Vec<MenuItems>,
+    pub menu: MenuItemsWrapper,
 
-    pub config: HashMap<String, Value>,
+    pub config: ConfigWrapper,
 
     #[serde(skip_deserializing)]
     links: HashMap<String, Value>,
@@ -207,9 +212,31 @@ impl Queryable<schema::sites::SqlType, diesel::pg::Pg> for Site {
             landing_page: row.2,
             header: row.3,
             footer: row.4,
-            menu,
-            config,
+            menu: MenuItemsWrapper(menu),
+            config: ConfigWrapper(config),
             links: HashMap::new(),
         }
     }
 }
+
+#[derive(Debug, Default, Clone, Serialize, Deserialize)]
+pub struct MenuItemsWrapper(Vec<MenuItems>);
+
+impl ToSql<Jsonb, Pg> for MenuItemsWrapper {
+    fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result {
+        let value = serde_json::to_value(*(Box::new(&self.0))).unwrap();
+        ToSql::<Jsonb, diesel::pg::Pg>::to_sql(&value, out)
+    }
+}
+
+#[derive(Debug, Default, Clone, Serialize, Deserialize)]
+pub struct ConfigWrapper(HashMap<String, Value>);
+
+impl ToSql<Jsonb, Pg> for ConfigWrapper {
+    fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result {
+        let value = serde_json::to_value(*(Box::new(&self.0))).unwrap();
+        ToSql::<Jsonb, diesel::pg::Pg>::to_sql(&value, out)
+    }
+}
+
+

src/web.rs

@@ -303,8 +303,8 @@ fn update_site((request, updated_site): (HttpRequest, Json<Site>)) -> HttpRespon
             landing_page.eq(&updated_site.landing_page),
             header.eq(&updated_site.header),
             footer.eq(&updated_site.footer),
-            menu.eq(&updated_site.menu),
-            config.eq(&updated_site.config),
+            menu.eq(Some(&updated_site.menu)),
+            config.eq(Some(&updated_site.config)),
         ))
         .get_result(&database);