63 lines
1.7 KiB
Rust
63 lines
1.7 KiB
Rust
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use crate::api::community::{
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GetCommunity, GetCommunityResponse, ListCommunities, ListCommunitiesResponse,
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};
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use crate::api::UserOperation;
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use crate::api::{Oper, Perform};
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use actix_web::{web, HttpResponse};
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use diesel::r2d2::{ConnectionManager, Pool};
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use diesel::PgConnection;
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use failure::Error;
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use serde::Serialize;
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type DbParam = web::Data<Pool<ConnectionManager<PgConnection>>>;
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pub fn config(cfg: &mut web::ServiceConfig) {
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cfg
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// TODO: need to repeat this for every endpoint
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.route(
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"/api/v1/list_communities",
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web::get().to(|info, db| {
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route::<ListCommunities, ListCommunitiesResponse>(UserOperation::ListCommunities, info, db)
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}),
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)
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.route(
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"/api/v1/get_community",
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web::get().to(|info, db| {
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route::<GetCommunity, GetCommunityResponse>(UserOperation::GetCommunity, info, db)
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}),
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);
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}
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fn perform<Request, Response>(
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op: UserOperation,
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data: Request,
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db: DbParam,
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) -> Result<HttpResponse, Error>
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where
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Response: Serialize,
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Oper<Request>: Perform<Response>,
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{
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let conn = match db.get() {
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Ok(c) => c,
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Err(e) => return Err(format_err!("{}", e)),
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};
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let oper: Oper<Request> = Oper::new(op, data);
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let response = oper.perform(&conn);
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Ok(HttpResponse::Ok().json(response?))
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}
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async fn route<Data, Response>(
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op: UserOperation,
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info: web::Query<Data>,
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db: DbParam,
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) -> Result<HttpResponse, Error>
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where
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Data: Serialize,
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Response: Serialize,
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Oper<Data>: Perform<Response>,
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{
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// TODO: want an implementation like this, where useroperation is passed without explicitly passing the other params
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// maybe with a higher order functions? (but that would probably have worse performance)
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perform::<Data, Response>(op, info.0, db)
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}
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