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@@ -1,202 +0,0 @@
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-use crate::{
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- prelude::*,
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- schema::{
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- datum::{ConcreteDatumList, Datum, DatumDiscriminator, DatumDiscriminatorRef},
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- entity::{Entity, EntityID, EntityPart, EntityPartList, EntityPartVisitor, EntityVisitor},
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- relation::{Relation, RelationDomain, RelationMap, RelationRange},
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- },
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-};
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-
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-use super::{CLIError, EntityInterface, ValueRole};
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-use clap::{FromArgMatches, Subcommand};
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-
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-
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-// helper alias for later
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-type UniqueList<E> = <<E as Entity>::Keys as EntityPartList>::DatumList;
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-
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-
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-
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-#[derive(Debug)]
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-/// Type implementing `Subcommand` for a given entity and interface.
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-pub struct ClapInterface<O: CLIObject, IC: InterfaceCustomization> {
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- verb: InterfaceVerb<O>,
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- _ghost: std::marker::PhantomData<IC>,
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-}
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-
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-impl<O: CLIObject, IC: InterfaceCustomization> ClapInterface<O, IC> {
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- /// Execute the action that this ClapInterface instance describes. Note that if `Spec` is
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- /// chosen as [`EmptyList`](../schema/entity/struct.EmptyList.html), the value passed for the
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- /// `spec` parameter should be the unit type, `()`.
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- pub fn perform(
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- &self,
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- data: &O::CommandData,
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- ic: &IC,
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- query_ctx: impl microrm::prelude::Queryable<EntityOutput = O>,
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- insert_ctx: &impl microrm::prelude::Insertable<O>,
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- ) -> Result<(), O::Error> {
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- match &self.verb {
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- InterfaceVerb::Attach {
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- local_keys,
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- relation,
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- remote_keys,
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- } => {
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- let local_keys = EntityKey::to_string_vec(local_keys, ic);
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- let remote_keys = EntityKey::to_string_vec(remote_keys, ic);
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- let outer_obj = query_ctx
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- .keyed(
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- UniqueList::<O>::build_equivalent(local_keys.iter().map(String::as_str))
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- .unwrap(),
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- )
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- .get()?
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- .ok_or(<O::Error>::no_such_entity(
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- O::entity_name(),
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- local_keys
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- .iter()
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- .cloned()
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- .reduce(|a, b| format!("{},{}", a, b))
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- .unwrap()
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- .to_string(),
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- ))?;
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-
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- let mut attacher = Attacher {
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- do_attach: true,
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- relation,
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- remote_keys,
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- err: None,
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- _ghost: Default::default(),
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- };
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- outer_obj.accept_part_visitor_ref(&mut attacher);
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-
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- if let Some(err) = attacher.err {
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- return Err(err);
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- }
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- },
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- InterfaceVerb::Create(params) => {
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- insert_ctx.insert(O::create_from_params(data, params)?)?;
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- },
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- InterfaceVerb::Delete(keys) => {
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- let keys = EntityKey::to_string_vec(keys, ic);
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- query_ctx
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- .keyed(
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- UniqueList::<O>::build_equivalent(keys.iter().map(String::as_str)).unwrap(),
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- )
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- .delete()?;
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- },
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- InterfaceVerb::Detach {
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- local_keys,
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- relation,
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- remote_keys,
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- } => {
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- let local_keys = EntityKey::to_string_vec(local_keys, ic);
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- let remote_keys = EntityKey::to_string_vec(remote_keys, ic);
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- let outer_obj = query_ctx
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- .keyed(
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- UniqueList::<O>::build_equivalent(local_keys.iter().map(String::as_str))
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- .unwrap(),
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- )
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- .get()?
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- .ok_or(<O::Error>::no_such_entity(
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- O::entity_name(),
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- local_keys
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- .iter()
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- .cloned()
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- .reduce(|a, b| format!("{},{}", a, b))
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- .unwrap()
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- .to_string(),
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- ))?;
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-
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- let mut attacher = Attacher {
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- do_attach: false,
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- relation,
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- remote_keys,
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- err: None,
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- _ghost: Default::default(),
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- };
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- outer_obj.accept_part_visitor_ref(&mut attacher);
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-
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- if let Some(err) = attacher.err {
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- return Err(err);
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- }
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- },
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- InterfaceVerb::ListAll => {
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- println!(
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- "Listing all {}(s): ({})",
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- O::entity_name(),
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- query_ctx.clone().count()?
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- );
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- for obj in query_ctx.get()?.into_iter() {
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- println!(" - {}", obj.shortname());
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- }
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- },
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- InterfaceVerb::Inspect(keys) => {
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- let keys = EntityKey::to_string_vec(keys, ic);
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- let obj = query_ctx
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- .keyed(
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- UniqueList::<O>::build_equivalent(keys.iter().map(String::as_str)).unwrap(),
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- )
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- .get()?
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- .ok_or(<O::Error>::no_such_entity(
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- O::entity_name(),
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- keys.iter()
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- .cloned()
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- .reduce(|a, b| format!("{},{}", a, b))
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- .unwrap()
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- .to_string(),
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- ))?;
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- println!("{:#?}", obj.as_ref());
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-
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- fn inspect_ai<AI: RelationInterface>(name: &'static str, ai: &AI) {
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- println!("{}: ({})", name, ai.count().unwrap());
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- for a in ai.get().expect("couldn't get object relations") {
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- println!("[#{:3}]: {:?}", a.id().into_raw(), a.wrapped());
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- }
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- }
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-
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- struct RelationFieldWalker<E: Entity>(std::marker::PhantomData<E>);
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- impl<E: Entity> EntityPartVisitor for RelationFieldWalker<E> {
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- type Entity = E;
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- fn visit_datum<EP: EntityPart>(&mut self, datum: &EP::Datum) {
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- struct Discriminator(&'static str);
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-
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- impl DatumDiscriminatorRef for Discriminator {
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- fn visit_serialized<
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- T: serde::Serialize + serde::de::DeserializeOwned,
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- >(
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- &mut self,
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- _: &T,
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- ) {
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- }
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- fn visit_bare_field<T: Datum>(&mut self, _: &T) {}
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- fn visit_entity_id<E: Entity>(&mut self, _: &E::ID) {}
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- fn visit_relation_map<E: Entity>(&mut self, amap: &RelationMap<E>) {
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- inspect_ai(self.0, amap);
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- }
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- fn visit_relation_domain<R: Relation>(
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- &mut self,
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- adomain: &RelationDomain<R>,
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- ) {
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- inspect_ai(self.0, adomain);
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- }
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- fn visit_relation_range<R: Relation>(
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- &mut self,
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- arange: &RelationRange<R>,
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- ) {
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- inspect_ai(self.0, arange);
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- }
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- }
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-
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- datum.accept_discriminator_ref(&mut Discriminator(EP::part_name()));
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- }
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- }
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-
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- obj.accept_part_visitor_ref(&mut RelationFieldWalker(Default::default()));
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- },
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- InterfaceVerb::Extra(extra) => {
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- O::run_extra_command(data, extra, query_ctx, insert_ctx)?;
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- },
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- }
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- Ok(())
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- }
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-
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-}
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-
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