mirror of
https://github.com/AmanTahiliani/FHIR-Sandbox.git
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81 lines
2.4 KiB
Go
81 lines
2.4 KiB
Go
// Package config defines the application configuration types.
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//
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// The AppConfig struct is the single source of truth for all runtime
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// settings. Currently values are populated programmatically in main.go,
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// but the structure is designed so that a future loader (e.g., from a
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// TOML/YAML file or environment variables) can populate it without
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// changing how the rest of the codebase consumes configuration.
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package config
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// AppConfig is the root configuration for the platform.
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type AppConfig struct {
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// Server holds HTTP server settings.
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Server ServerConfig
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// SMART holds the platform's own OAuth2 identity.
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SMART SMARTConfig
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// EHRs is the list of registered EHR FHIR server configurations.
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EHRs []EHRConfig
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// DBPath is the file path for the SQLite database.
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// Use ":memory:" for in-process testing.
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DBPath string
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}
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// ServerConfig holds HTTP server settings.
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type ServerConfig struct {
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// Port is the port the HTTP server listens on.
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Port int
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}
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// SMARTConfig holds the platform's own SMART on FHIR OAuth2 identity.
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type SMARTConfig struct {
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// RedirectURL is the full URL for the OAuth2 callback endpoint,
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// e.g. "http://localhost:8080/auth-redirect".
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RedirectURL string
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// Scopes is the list of OAuth2 scopes requested during authorization.
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// Standard SMART scopes: launch, openid, profile, patient/*.read, etc.
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Scopes []string
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}
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// EHRConfig describes a registered EHR FHIR server.
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type EHRConfig struct {
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// Name is a human-readable label for this EHR (e.g., "SmartHealthIT Sandbox").
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Name string
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// FHIRURL is the FHIR server base URL used as the `iss` parameter.
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// This is the canonical identifier for matching incoming launch requests.
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FHIRURL string
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// ClientID is the OAuth2 client_id registered with this EHR.
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ClientID string
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// ClientSecret is the OAuth2 client_secret registered with this EHR.
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// In production this should be loaded from a secrets manager, not
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// hardcoded in source.
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ClientSecret string
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}
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// EHRByURL returns the EHRConfig whose FHIRURL matches the given URL,
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// normalising trailing slashes for comparison.
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// Returns nil if no match is found.
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func (c *AppConfig) EHRByURL(url string) *EHRConfig {
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// Trim trailing slash for comparison robustness.
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url = trimTrailingSlash(url)
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for i := range c.EHRs {
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if trimTrailingSlash(c.EHRs[i].FHIRURL) == url {
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return &c.EHRs[i]
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}
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}
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return nil
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}
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func trimTrailingSlash(s string) string {
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if len(s) > 0 && s[len(s)-1] == '/' {
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return s[:len(s)-1]
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}
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return s
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}
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