reifydb_sub_server/
response.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_type::value::frame::frame::Frame;
5use reifydb_wire_format::{encode::encode_frames, options::EncodeOptions};
6use serde_json::{self, Map, Value as JsonValue, to_string as json_to_string};
7
8pub const CONTENT_TYPE_JSON: &str = "application/vnd.reifydb.json";
9pub const CONTENT_TYPE_FRAMES: &str = "application/vnd.reifydb.frames";
10pub const CONTENT_TYPE_RBCF: &str = "application/vnd.reifydb.rbcf";
11pub const CONTENT_TYPE_PROTO: &str = "application/vnd.reifydb.proto";
12
13pub fn encode_frames_rbcf(frames: &[Frame]) -> Result<Vec<u8>, String> {
14	encode_frames(frames, &EncodeOptions::fast()).map_err(|e| e.to_string())
15}
16
17pub struct ResolvedResponse {
18	pub content_type: String,
19	pub body: String,
20}
21
22pub fn resolve_response_json(frames: Vec<Frame>, unwrap: bool) -> Result<ResolvedResponse, String> {
23	if frames.is_empty() {
24		return Ok(ResolvedResponse {
25			content_type: CONTENT_TYPE_JSON.to_string(),
26			body: "[]".to_string(),
27		});
28	}
29
30	let has_body_col = frames.first().map(|f| f.columns.iter().any(|c| c.name == "body")).unwrap_or(false);
31
32	if has_body_col {
33		let frame = frames.into_iter().next().unwrap();
34		let body_col_idx = frame.columns.iter().position(|c| c.name == "body").unwrap();
35		let body_col = &frame.columns[body_col_idx];
36
37		let row_count = body_col.data.len();
38		let body = if body_col.data.is_utf8() {
39			let values: Vec<String> = (0..row_count).map(|i| body_col.data.as_string(i)).collect();
40			if unwrap || values.len() == 1 {
41				values.into_iter().next().unwrap()
42			} else {
43				format!("[{}]", values.join(", "))
44			}
45		} else {
46			let json_values: Vec<JsonValue> =
47				(0..row_count).map(|i| body_col.data.get_value(i).to_json_value()).collect();
48			if unwrap {
49				json_to_string(&json_values[0]).unwrap()
50			} else {
51				json_to_string(&json_values).unwrap()
52			}
53		};
54
55		Ok(ResolvedResponse {
56			content_type: CONTENT_TYPE_JSON.to_string(),
57			body,
58		})
59	} else {
60		let json_frames = frames_to_json_rows(&frames);
61
62		let body = if unwrap && json_frames.len() == 1 && json_frames[0].len() == 1 {
63			json_to_string(&json_frames[0][0]).unwrap()
64		} else {
65			json_to_string(&json_frames).unwrap()
66		};
67
68		Ok(ResolvedResponse {
69			content_type: CONTENT_TYPE_JSON.to_string(),
70			body,
71		})
72	}
73}
74
75fn frames_to_json_rows(frames: &[Frame]) -> Vec<Vec<JsonValue>> {
76	frames.iter()
77		.map(|frame| {
78			let row_count = frame.columns.first().map(|c| c.data.len()).unwrap_or(0);
79			(0..row_count)
80				.map(|i| {
81					let mut obj = Map::new();
82					for col in frame.iter() {
83						obj.insert(col.name.clone(), col.data.get_value(i).to_json_value());
84					}
85					JsonValue::Object(obj)
86				})
87				.collect()
88		})
89		.collect()
90}
reifydb_sub_server/response.rs

reifydb_sub_server/
response.rs
