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systemprompt_runtime/
builder.rs

1//! Builder that assembles an [`AppContext`] from profile + config state.
2//!
3//! The builder owns the bootstrap order: profile -> paths -> files ->
4//! database -> logging -> extensions -> ancillary services. Failures at
5//! any step propagate as [`RuntimeError`](crate::error::RuntimeError).
6
7use std::sync::Arc;
8
9use systemprompt_analytics::{AnalyticsService, FingerprintRepository};
10use systemprompt_config::ProfileBootstrap;
11use systemprompt_database::{Database, MigrationConfig, install_extension_schemas_full};
12use systemprompt_extension::ExtensionRegistry;
13use systemprompt_marketplace::{AllowAllFilter, MarketplaceFilter, discover_filters};
14use systemprompt_models::{AppPaths, Config, ContentConfigRaw, ContentRouting};
15use systemprompt_users::UserService;
16
17use crate::context::{AppContext, AppContextParts};
18use crate::error::{RuntimeError, RuntimeResult};
19use crate::registry::ModuleApiRegistry;
20
21#[derive(Default)]
22pub struct AppContextBuilder {
23    extension_registry: Option<ExtensionRegistry>,
24    show_startup_warnings: bool,
25    marketplace_filter: Option<Arc<dyn MarketplaceFilter>>,
26    install_schemas: bool,
27    migration_config: MigrationConfig,
28}
29
30impl std::fmt::Debug for AppContextBuilder {
31    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
32        f.debug_struct("AppContextBuilder")
33            .field("extension_registry", &self.extension_registry.is_some())
34            .field("show_startup_warnings", &self.show_startup_warnings)
35            .field("marketplace_filter", &self.marketplace_filter.is_some())
36            .field("install_schemas", &self.install_schemas)
37            .field("migration_config", &self.migration_config)
38            .finish()
39    }
40}
41
42impl AppContextBuilder {
43    #[must_use]
44    pub fn new() -> Self {
45        Self::default()
46    }
47
48    #[must_use]
49    pub fn with_extensions(mut self, registry: ExtensionRegistry) -> Self {
50        self.extension_registry = Some(registry);
51        self
52    }
53
54    #[must_use]
55    pub const fn with_startup_warnings(mut self, show: bool) -> Self {
56        self.show_startup_warnings = show;
57        self
58    }
59
60    #[must_use]
61    pub fn with_marketplace_filter(mut self, filter: Arc<dyn MarketplaceFilter>) -> Self {
62        self.marketplace_filter = Some(filter);
63        self
64    }
65
66    /// Install / migrate extension schemas as part of `build()`. Off by
67    /// default so admin tools (`db doctor`, repair scripts) can open a
68    /// connection without mutating the schema. `serve` turns this on.
69    #[must_use]
70    pub const fn with_migrations(mut self, install: bool) -> Self {
71        self.install_schemas = install;
72        self
73    }
74
75    #[must_use]
76    pub const fn with_migration_config(mut self, config: MigrationConfig) -> Self {
77        self.migration_config = config;
78        self
79    }
80
81    pub async fn build(self) -> RuntimeResult<AppContext> {
82        let profile = ProfileBootstrap::get()?;
83        let app_paths = Arc::new(AppPaths::from_profile(&profile.paths)?);
84        systemprompt_files::FilesConfig::init(&app_paths)?;
85        let config = Arc::new(Config::get()?.clone());
86
87        let database = Arc::new(
88            Database::from_config_with_write(
89                &config.database_type,
90                &config.database_url,
91                config.database_write_url.as_deref(),
92            )
93            .await?,
94        );
95
96        let authz_audit_pool = database.write_pool_arc().ok();
97        systemprompt_security::authz::install_from_governance_config(
98            profile.governance.as_ref(),
99            authz_audit_pool,
100        )
101        .map_err(|err| RuntimeError::Internal(format!("authz bootstrap: {err}")))?;
102
103        systemprompt_logging::init_logging(Arc::clone(&database));
104
105        if config.database_write_url.is_some() {
106            tracing::info!(
107                "Database read/write separation enabled: reads from replica, writes to primary"
108            );
109        }
110
111        let api_registry = Arc::new(ModuleApiRegistry::new());
112
113        let registry = self
114            .extension_registry
115            .unwrap_or_else(ExtensionRegistry::discover);
116        registry.validate()?;
117
118        if self.install_schemas {
119            install_extension_schemas_full(
120                &registry,
121                database.write_provider(),
122                &[],
123                self.migration_config,
124            )
125            .await?;
126        }
127
128        let extension_registry = Arc::new(registry);
129
130        let geoip_reader = AppContext::load_geoip_database(&config, self.show_startup_warnings);
131        let content_config = AppContext::load_content_config(&config, &app_paths);
132        let content_routing = content_routing_from(content_config.as_ref());
133        let route_classifier = Arc::new(systemprompt_models::RouteClassifier::new(
134            content_routing.clone(),
135        ));
136        let analytics_service = Arc::new(AnalyticsService::new(
137            &database,
138            geoip_reader.clone(),
139            content_routing,
140        )?);
141
142        let fingerprint_repo = match FingerprintRepository::new(&database) {
143            Ok(repo) => Some(Arc::new(repo)),
144            Err(e) => {
145                tracing::warn!(error = %e, "Failed to initialize fingerprint repository");
146                None
147            },
148        };
149
150        let user_service = match UserService::new(&database) {
151            Ok(svc) => Some(Arc::new(svc)),
152            Err(e) => {
153                tracing::warn!(error = %e, "Failed to initialize user service");
154                None
155            },
156        };
157
158        let marketplace_filter = self
159            .marketplace_filter
160            .unwrap_or_else(|| build_marketplace_filter(&database));
161
162        Ok(AppContext::from_parts(AppContextParts {
163            config,
164            database,
165            api_registry,
166            extension_registry,
167            geoip_reader,
168            content_config,
169            route_classifier,
170            analytics_service,
171            fingerprint_repo,
172            user_service,
173            app_paths,
174            marketplace_filter,
175        }))
176    }
177}
178
179fn build_marketplace_filter(
180    database: &systemprompt_database::DbPool,
181) -> Arc<dyn MarketplaceFilter> {
182    for reg in discover_filters() {
183        match (reg.factory)(database) {
184            Ok(filter) => {
185                tracing::info!(
186                    priority = reg.priority,
187                    "marketplace filter registered via inventory; using highest-priority impl",
188                );
189                return filter;
190            },
191            Err(err) => {
192                tracing::error!(
193                    priority = reg.priority,
194                    error = %err,
195                    "marketplace filter factory failed; trying next candidate",
196                );
197            },
198        }
199    }
200    let fallback: Arc<dyn MarketplaceFilter> = Arc::new(AllowAllFilter);
201    fallback
202}
203
204fn content_routing_from(
205    content_config: Option<&Arc<ContentConfigRaw>>,
206) -> Option<Arc<dyn ContentRouting>> {
207    let concrete = Arc::clone(content_config?);
208    let routing: Arc<dyn ContentRouting> = concrete;
209    Some(routing)
210}