farp 1.3.0

Forge API Gateway Registration Protocol (FARP) - Schema-aware service discovery and gateway integration
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96

//! oRPC schema provider implementation

use crate::errors::{Error, Result};
use crate::provider::{Application, SchemaProvider};
use crate::types::SchemaType;
use async_trait::async_trait;

/// oRPC schema provider
///
/// Generates oRPC (OpenAPI-based RPC) specifications
pub struct ORPCProvider {
    spec_version: String,
    endpoint: Option<String>,
}

impl ORPCProvider {
    /// Creates a new oRPC provider
    pub fn new(spec_version: impl Into<String>, endpoint: Option<String>) -> Self {
        Self {
            spec_version: spec_version.into(),
            endpoint,
        }
    }
}

impl Default for ORPCProvider {
    fn default() -> Self {
        Self::new("1.0.0", Some("/orpc.json".to_string()))
    }
}

#[async_trait]
impl SchemaProvider for ORPCProvider {
    fn schema_type(&self) -> SchemaType {
        SchemaType::ORPC
    }

    async fn generate(&self, app: &dyn Application) -> Result<serde_json::Value> {
        let schema = serde_json::json!({
            "orpc": self.spec_version,
            "info": {
                "title": app.name(),
                "version": app.version()
            },
            "procedures": []
        });

        Ok(schema)
    }

    fn validate(&self, schema: &serde_json::Value) -> Result<()> {
        if !schema.is_object() {
            return Err(Error::validation_failed("schema must be an object"));
        }

        Ok(())
    }

    fn spec_version(&self) -> String {
        self.spec_version.clone()
    }

    fn endpoint(&self) -> Option<String> {
        self.endpoint.clone()
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    struct TestApp;

    impl Application for TestApp {
        fn name(&self) -> &str {
            "test_app"
        }

        fn version(&self) -> &str {
            "1.0.0"
        }

        fn routes(&self) -> Box<dyn std::any::Any + Send + Sync> {
            Box::new(())
        }
    }

    #[tokio::test]
    async fn test_orpc_provider() {
        let provider = ORPCProvider::default();
        let app = TestApp;

        let schema = provider.generate(&app).await.unwrap();
        provider.validate(&schema).unwrap();
    }
}