4763031797

Build Type

github

Committed by GitHub

Commit Message

Merge 6302acc92 into c58df4a0b

Pull Request Pull Request #1458: fix: uuid postgres type support

Run Details

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85.37

/dozer-api/src/grpc/shared_impl/mod.rs

use dozer_cache::cache::expression::{default_limit_for_query, QueryExpression};
use dozer_cache::cache::CacheRecord;
use dozer_cache::CacheReader;
use dozer_types::grpc_types::types::Operation;
use dozer_types::log::warn;
use dozer_types::serde_json;
use tokio::sync::broadcast::error::RecvError;
use tokio::sync::broadcast::Receiver;
use tokio_stream::wrappers::ReceiverStream;
use tonic::{Code, Response, Status};

use crate::api_helper::{get_records, get_records_count};
use crate::auth::Access;

mod filter;

pub fn from_error(error: impl std::error::Error) -> Status {
    Status::new(Code::Internal, error.to_string())
}

fn parse_query(
    query: Option<&str>,
    default: impl FnOnce() -> QueryExpression,
) -> Result<QueryExpression, Status> {
    match query {
        Some(query) => {
            if query.is_empty() {
                Ok(default())
            } else {
                serde_json::from_str(query).map_err(from_error)
            }
        }
        None => Ok(default()),
    }
}

pub fn count(
    reader: &CacheReader,
    query: Option<&str>,
    endpoint: &str,
    access: Option<Access>,
) -> Result<usize, Status> {
    let mut query = parse_query(query, QueryExpression::with_no_limit)?;
    Ok(get_records_count(reader, &mut query, endpoint, access)?)
}

pub fn query(
    reader: &CacheReader,
    query: Option<&str>,
    endpoint: &str,
    access: Option<Access>,
) -> Result<Vec<CacheRecord>, Status> {
    let mut query = parse_query(query, QueryExpression::with_default_limit)?;
    if query.limit.is_none() {
        query.limit = Some(default_limit_for_query());
    }
    let records = get_records(reader, &mut query, endpoint, access)?;
    Ok(records)
}

pub fn on_event<T: Send + 'static>(
    reader: &CacheReader,
    filter: Option<&str>,
    mut broadcast_receiver: Option<Receiver<Operation>>,
    _access: Option<Access>,
    event_mapper: impl Fn(Operation) -> Option<T> + Send + Sync + 'static,
) -> Result<Response<ReceiverStream<T>>, Status> {
    // TODO: Use access.

    if broadcast_receiver.is_none() {
        return Err(Status::unavailable(
            "on_event is not enabled. This is currently an experimental feature. Enable it in the config.",
        ));
    }

    let filter = match filter {
        Some(filter) => {
            if filter.is_empty() {
                None
            } else {
                Some(serde_json::from_str(filter).map_err(from_error)?)
            }
        }
        None => None,
    };
    let schema = reader.get_schema().0.clone();

    let (tx, rx) = tokio::sync::mpsc::channel(1);

    tokio::spawn(async move {
        loop {
            if let Some(broadcast_receiver) = broadcast_receiver.as_mut() {
                let event = broadcast_receiver.recv().await;
                match event {
                    Ok(op) => {
                        if filter::op_satisfies_filter(&op, filter.as_ref(), &schema) {
                            if let Some(event) = event_mapper(op) {
                                if (tx.send(event).await).is_err() {
                                    // receiver dropped
                                    break;
                                }
                            }
                        }
                    }
                    Err(e) => {
                        warn!("Failed to receive event from broadcast channel: {}", e);
                        if e == RecvError::Closed {
                            break;
                        }
                    }
                }
            }
        }
    });

    Ok(Response::new(ReceiverStream::new(rx)))
}

1	use dozer_cache::cache::expression::{default_limit_for_query, QueryExpression};
2	use dozer_cache::cache::CacheRecord;
3	use dozer_cache::CacheReader;
4	use dozer_types::grpc_types::types::Operation;
5	use dozer_types::log::warn;
6	use dozer_types::serde_json;
7	use tokio::sync::broadcast::error::RecvError;
8	use tokio::sync::broadcast::Receiver;
9	use tokio_stream::wrappers::ReceiverStream;
10	use tonic::{Code, Response, Status};
11
12	use crate::api_helper::{get_records, get_records_count};
13	use crate::auth::Access;
14
15	mod filter;
16
17	pub fn from_error(error: impl std::error::Error) -> Status {	×
18	Status::new(Code::Internal, error.to_string())	×
19	}	×
20
21	fn parse_query(	26✔
22	query: Option<&str>,	26✔
23	default: impl FnOnce() -> QueryExpression,	26✔
24	) -> Result<QueryExpression, Status> {	26✔
25	match query {	26✔
26	Some(query) => {	16✔
27	if query.is_empty() {	16✔
28	Ok(default())	4✔
29	} else {
30	serde_json::from_str(query).map_err(from_error)	12✔
31	}
32	}
33	None => Ok(default()),	10✔
34	}
35	}	26✔
36
37	pub fn count(	9✔
38	reader: &CacheReader,	9✔
39	query: Option<&str>,	9✔
40	endpoint: &str,	9✔
41	access: Option<Access>,	9✔
42	) -> Result<usize, Status> {	9✔
43	let mut query = parse_query(query, QueryExpression::with_no_limit)?;	9✔
44	Ok(get_records_count(reader, &mut query, endpoint, access)?)	9✔
45	}	9✔
46
47	pub fn query(	17✔
48	reader: &CacheReader,	17✔
49	query: Option<&str>,	17✔
50	endpoint: &str,	17✔
51	access: Option<Access>,	17✔
52	) -> Result<Vec<CacheRecord>, Status> {	17✔
53	let mut query = parse_query(query, QueryExpression::with_default_limit)?;	17✔
54	if query.limit.is_none() {	17✔
55	query.limit = Some(default_limit_for_query());	3✔
56	}	14✔
57	let records = get_records(reader, &mut query, endpoint, access)?;	17✔
58	Ok(records)	17✔
59	}	17✔
60
61	pub fn on_event<T: Send + 'static>(	4✔
62	reader: &CacheReader,	4✔
63	filter: Option<&str>,	4✔
64	mut broadcast_receiver: Option<Receiver<Operation>>,	4✔
65	_access: Option<Access>,	4✔
66	event_mapper: impl Fn(Operation) -> Option<T> + Send + Sync + 'static,	4✔
67	) -> Result<Response<ReceiverStream<T>>, Status> {	4✔
68	// TODO: Use access.	4✔
69		4✔
70	if broadcast_receiver.is_none() {	4✔
71	return Err(Status::unavailable(	×
72	"on_event is not enabled. This is currently an experimental feature. Enable it in the config.",	×
73	));	×
74	}	4✔
75
76	let filter = match filter {	4✔
77	Some(filter) => {	4✔
78	if filter.is_empty() {	4✔
79	None	1✔
80	} else {
81	Some(serde_json::from_str(filter).map_err(from_error)?)	3✔
82	}
83	}
84	None => None,	×
85	};
86	let schema = reader.get_schema().0.clone();	4✔
87		4✔
88	let (tx, rx) = tokio::sync::mpsc::channel(1);	4✔
89		4✔
90	tokio::spawn(async move {	4✔
91	loop {
92	if let Some(broadcast_receiver) = broadcast_receiver.as_mut() {	6✔
93	let event = broadcast_receiver.recv().await;	6✔
94	match event {	4✔
95	Ok(op) => {	2✔
96	if filter::op_satisfies_filter(&op, filter.as_ref(), &schema) {	2✔
97	if let Some(event) = event_mapper(op) {	2✔
98	if (tx.send(event).await).is_err() {	2✔
99	// receiver dropped
100	break;	×
101	}	2✔
102	}	×
103	}	×
104	}
105	Err(e) => {	2✔
106	warn!("Failed to receive event from broadcast channel: {}", e);	2✔
107	if e == RecvError::Closed {	2✔
108	break;	2✔
109	}	×
110	}
111	}
112	}	×
113	}
114	});	4✔
115		4✔
116	Ok(Response::new(ReceiverStream::new(rx)))	4✔
117	}	4✔

getdozer / dozer / 4763031797

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