ogcapi-services 0.3.0

Server implementation of several OGC API Standards.
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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135

use std::sync::{Arc, RwLock};

#[cfg(feature = "edr")]
use ogcapi_drivers::EdrQuerier;
#[cfg(feature = "features")]
use ogcapi_drivers::FeatureTransactions;
#[cfg(feature = "processes")]
use ogcapi_drivers::JobHandler;
#[cfg(feature = "styles")]
use ogcapi_drivers::StyleTransactions;
#[cfg(feature = "tiles")]
use ogcapi_drivers::TileTransactions;

use ogcapi_drivers::{CollectionTransactions, postgres::Db};
#[cfg(feature = "processes")]
use ogcapi_processes::Processor;
use ogcapi_types::common::{Conformance, LandingPage};

use crate::{Config, ConfigParser, OpenAPI, openapi::OPENAPI};

/// Application state
#[derive(Clone)]
pub struct AppState {
    pub root: Arc<RwLock<LandingPage>>,
    pub conformance: Arc<RwLock<Conformance>>,
    pub openapi: OpenAPI,
    pub drivers: Arc<Drivers>,
    pub db: Db,
    #[cfg(feature = "stac")]
    pub s3: ogcapi_drivers::s3::S3,
    #[cfg(feature = "processes")]
    pub processors: Arc<RwLock<std::collections::HashMap<String, Box<dyn Processor>>>>,
}

// TODO: Introduce service trait
pub struct Drivers {
    pub collections: Box<dyn CollectionTransactions>,
    #[cfg(feature = "features")]
    pub features: Box<dyn FeatureTransactions>,
    #[cfg(feature = "edr")]
    pub edr: Box<dyn EdrQuerier>,
    #[cfg(feature = "processes")]
    pub jobs: Box<dyn JobHandler>,
    #[cfg(feature = "styles")]
    pub styles: Box<dyn StyleTransactions>,
    #[cfg(feature = "tiles")]
    pub tiles: Box<dyn TileTransactions>,
}

impl AppState {
    pub async fn new() -> Self {
        let config = Config::parse();
        AppState::new_from(&config).await
    }

    pub async fn new_from(config: &Config) -> Self {
        let openapi = if let Some(path) = &config.openapi {
            OpenAPI::from_path(path).unwrap()
        } else {
            OpenAPI::from_slice(OPENAPI)
        };

        let db = Db::setup(&config.database_url).await.unwrap();

        AppState::new_with(db, openapi).await
    }

    pub async fn new_with(db: Db, openapi: OpenAPI) -> Self {
        // conformance
        #[allow(unused_mut)]
        let mut conformace = Conformance::default();
        #[cfg(feature = "stac")]
        conformace.extend(&[
            "https://api.stacspec.org/v1.0.0-rc.1/core",
            "https://api.stacspec.org/v1.0.0-rc.1/item-search",
            "https://api.stacspec.org/v1.0.0-rc.1/collections",
            "https://api.stacspec.org/v1.0.0-rc.1/ogcapi-features",
            "https://api.stacspec.org/v1.0.0-rc.1/browseable",
        ]);

        // drivers
        let drivers = Drivers {
            collections: Box::new(db.clone()),
            #[cfg(feature = "features")]
            features: Box::new(db.clone()),
            #[cfg(feature = "edr")]
            edr: Box::new(db.clone()),
            #[cfg(feature = "processes")]
            jobs: Box::new(db.clone()),
            #[cfg(feature = "styles")]
            styles: Box::new(db.clone()),
            #[cfg(feature = "tiles")]
            tiles: Box::new(db.clone()),
        };

        AppState {
            root: Arc::new(RwLock::new(LandingPage::new("root").description("root"))),
            conformance: Arc::new(RwLock::new(conformace)),
            openapi,
            drivers: Arc::new(drivers),
            db,
            #[cfg(feature = "stac")]
            s3: ogcapi_drivers::s3::S3::new().await,
            #[cfg(feature = "processes")]
            processors: Default::default(),
        }
    }

    pub fn root(mut self, root: LandingPage) -> Self {
        self.root = Arc::new(RwLock::new(root));
        self
    }

    pub fn openapi(mut self, openapi: OpenAPI) -> Self {
        self.openapi = openapi;
        self
    }

    #[cfg(feature = "stac")]
    pub async fn s3_client(mut self, client: ogcapi_drivers::s3::S3) -> Self {
        self.s3 = client;
        self
    }

    #[cfg(feature = "processes")]
    pub fn processors(self, processors: Vec<Box<dyn Processor>>) -> Self {
        for p in processors {
            self.processors
                .write()
                .unwrap()
                .insert(p.id().to_string(), p);
        }
        self
    }
}