2018-11-15 16:07:55 +00:00
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use failure::*;
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use crate::api::schema::*;
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use serde_json::{Value};
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use std::collections::HashMap;
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2018-12-06 09:41:57 +00:00
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use std::sync::Arc;
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2018-11-15 16:07:55 +00:00
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2019-01-14 11:26:04 +00:00
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use hyper::{Body, Response};
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use hyper::rt::Future;
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2019-01-17 11:43:29 +00:00
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use hyper::http::request::Parts;
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2019-01-14 11:26:04 +00:00
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pub type BoxFut = Box<Future<Item = Response<Body>, Error = failure::Error> + Send>;
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2019-01-26 13:50:37 +00:00
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pub trait RpcEnvironment {
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fn set_result_attrib(&mut self, name: &str, value: Value);
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fn get_result_attrib(&self, name: &str) -> Option<&Value>;
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2019-01-27 09:33:42 +00:00
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fn env_type(&self) -> RpcEnvironmentType;
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}
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#[derive(Copy, Clone)]
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pub enum RpcEnvironmentType {
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/// command started from command line
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CLI,
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/// access from public acessable server
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PUBLIC,
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/// ... access from priviledged server (run as root)
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PRIVILEDGED,
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2019-01-26 13:50:37 +00:00
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}
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type ApiHandlerFn = fn(Value, &ApiMethod, &mut dyn RpcEnvironment) -> Result<Value, Error>;
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2018-12-06 09:23:45 +00:00
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2019-01-27 09:18:52 +00:00
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type ApiAsyncHandlerFn = fn(Parts, Body, Value, &ApiAsyncMethod, &mut dyn RpcEnvironment) -> Result<BoxFut, Error>;
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2019-01-14 11:26:04 +00:00
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2018-11-15 16:07:55 +00:00
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pub struct ApiMethod {
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2018-11-18 07:46:26 +00:00
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pub parameters: ObjectSchema,
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2018-12-06 09:41:57 +00:00
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pub returns: Arc<Schema>,
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2018-12-06 09:23:45 +00:00
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pub handler: ApiHandlerFn,
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}
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impl ApiMethod {
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pub fn new(handler: ApiHandlerFn, parameters: ObjectSchema) -> Self {
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Self {
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parameters,
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handler,
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2018-12-06 09:41:57 +00:00
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returns: Arc::new(Schema::Null),
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2018-12-06 09:23:45 +00:00
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}
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}
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2018-12-06 09:41:57 +00:00
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pub fn returns<S: Into<Arc<Schema>>>(mut self, schema: S) -> Self {
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self.returns = schema.into();
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self
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}
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2019-01-14 11:26:04 +00:00
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}
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2019-01-19 15:42:43 +00:00
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pub struct ApiAsyncMethod {
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2019-01-14 11:26:04 +00:00
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pub parameters: ObjectSchema,
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pub returns: Arc<Schema>,
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2019-01-19 15:42:43 +00:00
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pub handler: ApiAsyncHandlerFn,
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2019-01-14 11:26:04 +00:00
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}
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2019-01-19 15:42:43 +00:00
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impl ApiAsyncMethod {
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2019-01-14 11:26:04 +00:00
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2019-01-19 15:42:43 +00:00
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pub fn new(handler: ApiAsyncHandlerFn, parameters: ObjectSchema) -> Self {
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2019-01-14 11:26:04 +00:00
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Self {
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parameters,
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handler,
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returns: Arc::new(Schema::Null),
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}
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}
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pub fn returns<S: Into<Arc<Schema>>>(mut self, schema: S) -> Self {
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2018-12-06 09:41:57 +00:00
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2019-01-14 11:26:04 +00:00
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self.returns = schema.into();
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self
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}
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2018-11-15 16:07:55 +00:00
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}
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pub enum SubRoute {
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None,
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Hash(HashMap<String, Router>),
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MatchAll { router: Box<Router>, param_name: String },
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}
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2019-01-14 11:26:04 +00:00
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pub enum MethodDefinition {
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None,
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Simple(ApiMethod),
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2019-01-19 15:42:43 +00:00
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Async(ApiAsyncMethod),
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2019-01-14 11:26:04 +00:00
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}
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2018-11-15 16:07:55 +00:00
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pub struct Router {
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2019-01-14 11:26:04 +00:00
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pub get: MethodDefinition,
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pub put: MethodDefinition,
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pub post: MethodDefinition,
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pub delete: MethodDefinition,
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2018-11-15 16:07:55 +00:00
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pub subroute: SubRoute,
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}
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impl Router {
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pub fn new() -> Self {
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Self {
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2019-01-14 11:26:04 +00:00
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get: MethodDefinition::None,
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put: MethodDefinition::None,
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post: MethodDefinition::None,
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delete: MethodDefinition::None,
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2018-11-15 16:07:55 +00:00
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subroute: SubRoute::None
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}
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}
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2018-12-06 09:23:45 +00:00
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pub fn subdir<S: Into<String>>(mut self, subdir: S, router: Router) -> Self {
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if let SubRoute::None = self.subroute {
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self.subroute = SubRoute::Hash(HashMap::new());
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}
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match self.subroute {
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SubRoute::Hash(ref mut map) => {
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map.insert(subdir.into(), router);
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}
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_ => panic!("unexpected subroute type"),
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}
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self
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}
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2018-11-15 16:07:55 +00:00
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pub fn subdirs(mut self, map: HashMap<String, Router>) -> Self {
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self.subroute = SubRoute::Hash(map);
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self
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}
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2018-12-06 09:23:45 +00:00
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pub fn match_all<S: Into<String>>(mut self, param_name: S, router: Router) -> Self {
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if let SubRoute::None = self.subroute {
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self.subroute = SubRoute::MatchAll { router: Box::new(router), param_name: param_name.into() };
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} else {
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panic!("unexpected subroute type");
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}
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2018-11-15 16:07:55 +00:00
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self
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}
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pub fn get(mut self, m: ApiMethod) -> Self {
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2019-01-14 11:26:04 +00:00
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self.get = MethodDefinition::Simple(m);
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2018-11-15 16:07:55 +00:00
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self
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}
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2018-12-06 09:23:45 +00:00
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2018-11-16 07:24:10 +00:00
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pub fn put(mut self, m: ApiMethod) -> Self {
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2019-01-14 11:26:04 +00:00
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self.put = MethodDefinition::Simple(m);
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2018-11-16 07:24:10 +00:00
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self
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}
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2018-12-06 09:23:45 +00:00
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2018-11-16 07:24:10 +00:00
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pub fn post(mut self, m: ApiMethod) -> Self {
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2019-01-14 11:26:04 +00:00
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self.post = MethodDefinition::Simple(m);
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self
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}
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2019-01-19 15:42:43 +00:00
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pub fn upload(mut self, m: ApiAsyncMethod) -> Self {
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self.post = MethodDefinition::Async(m);
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2018-11-16 07:24:10 +00:00
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self
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}
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2018-12-06 09:23:45 +00:00
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2019-01-19 15:42:43 +00:00
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pub fn download(mut self, m: ApiAsyncMethod) -> Self {
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self.get = MethodDefinition::Async(m);
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self
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}
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2018-11-16 07:24:10 +00:00
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pub fn delete(mut self, m: ApiMethod) -> Self {
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2019-01-14 11:26:04 +00:00
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self.delete = MethodDefinition::Simple(m);
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2018-11-16 07:24:10 +00:00
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self
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}
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2018-11-15 16:07:55 +00:00
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2018-11-16 08:15:33 +00:00
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pub fn find_route(&self, components: &[&str], uri_param: &mut HashMap<String, String>) -> Option<&Router> {
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2018-11-15 16:07:55 +00:00
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if components.len() == 0 { return Some(self); };
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let (dir, rest) = (components[0], &components[1..]);
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match self.subroute {
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SubRoute::None => {},
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SubRoute::Hash(ref dirmap) => {
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if let Some(ref router) = dirmap.get(dir) {
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println!("FOUND SUBDIR {}", dir);
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2018-11-16 08:15:33 +00:00
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return router.find_route(rest, uri_param);
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2018-11-15 16:07:55 +00:00
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}
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}
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SubRoute::MatchAll { ref router, ref param_name } => {
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println!("URI PARAM {} = {}", param_name, dir); // fixme: store somewhere
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2018-11-16 08:15:33 +00:00
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uri_param.insert(param_name.clone(), dir.into());
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return router.find_route(rest, uri_param);
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2018-11-15 16:07:55 +00:00
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},
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}
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None
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}
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}
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