Initial GraphQL API sort of working

src/db/models/languages.rs

@@ -1,16 +1,18 @@
 use super::super::schema::{langandagents, languages};
 use diesel::prelude::*;
+use juniper::GraphQLEnum;
 
-#[derive(diesel_derive_enum::DbEnum, Debug, Clone, PartialEq, Eq)]
+#[derive(diesel_derive_enum::DbEnum, Debug, Clone, PartialEq, Eq, GraphQLEnum)]
 #[DieselTypePath = "crate::db::schema::sql_types::Release"]
 pub enum Release {
     Public,
+    #[graphql(name="NON_COMMERCIAL")]
     NonCommercial,
     Research,
     Private,
 }
 
-#[derive(diesel_derive_enum::DbEnum, Debug, Clone, PartialEq, Eq)]
+#[derive(diesel_derive_enum::DbEnum, Debug, Clone, PartialEq, Eq, GraphQLEnum)]
 #[DieselTypePath = "crate::db::schema::sql_types::Dictgenre"]
 pub enum DictGenre {
     General,
@@ -22,7 +24,7 @@ pub enum DictGenre {
     Terminology,
 }
 
-#[derive(diesel_derive_enum::DbEnum, Debug, Clone, PartialEq, Eq)]
+#[derive(diesel_derive_enum::DbEnum, Debug, Clone, PartialEq, Eq, GraphQLEnum)]
 #[DieselTypePath = "crate::db::schema::sql_types::Agentlanguagerelation"]
 pub enum AgentLanguageRelation {
     Publisher,
@@ -31,17 +33,35 @@ pub enum AgentLanguageRelation {
 
 #[derive(Queryable, Insertable, Debug, Clone, PartialEq, Eq)]
 pub struct Language {
-    release: Release,
-    created: chrono::NaiveDateTime,
     name: String,
-    owner: String,
-    targetlanguage: Vec<String>,
-    genre: Vec<DictGenre>,
     native: Option<String>,
+    release: Release,
+    targetlanguage: Vec<Option<String>>,
+    genre: Vec<Option<DictGenre>>,
     abstract_: Option<String>,
+    created: chrono::NaiveDateTime,
     description: Option<String>,
     rights: Option<String>,
     license: Option<String>,
+    owner: String,
+}
+
+#[juniper::graphql_object]
+impl Language {
+    #[graphql(name = "release")]
+    fn release(&self) -> Release {
+        self.release.clone()
+    }
+
+    #[graphql(name = "created")]
+    fn created(&self) -> String {
+        self.created.to_string()
+    }
+
+    #[graphql(name = "name")]
+    fn name(&self) -> String {
+        self.name.clone()
+    }
 }
 
 #[derive(Queryable, Insertable, Debug, Clone, PartialEq, Eq)]