#663 - Standardized API endpoint to serve configuration for the frontend

- move static variables for the settings controller from app.guiinfo to passthrough
- add variable description to README.md

Author: michael-82

README.md

@@ -153,6 +153,17 @@ To configure the location of the external service, use the following parameters.
 | ELASTIC_SEARCH_HOST           | Host and port of the elastic search endpoint    | `192.168.1.1:9200` | `localhost:9200`                 |
 | ELASTIC_SEARCH_FILTER         | Which parameters can be used to filter results  | `foo,bar,baz`      | `context,terminology,kds_module` |  
 
+### Passthrough Variables
+
+There are a few variables that are not used in the backend itself, but are forwarded to the frontend if requested.
+
+
+| EnvVar                      | Description                                                      | Example           | Default                                                                                                         |
+|-----------------------------|------------------------------------------------------------------|-------------------|-----------------------------------------------------------------------------------------------------------------|
+| PT_CCDL_VERSION             | The used version of the Clinical Cohort Definition Language      | ``                | `unknown`                                                                                                       |
+| PT_PORTAL_LINK              | URL to the portal page                                           | `https://foo.bar` | `https://antrag.forschen-fuer-gesundheit.de`                                                                    |
+| PT_DSE_PATIENT_PROFILE_URL  | URL of the patient profile used in data selection and extraction | `foo,bar,baz`     | `https://www.medizininformatik-initiative.de/fhir/core/modul-person/StructureDefinition/PatientPseudonymisiert` |  
+
 ## Support for self-signed certificates
 
 The dataportal backend supports the use of self-signed certificates from your own CAs.

src/main/java/de/numcodex/feasibility_gui_backend/settings/SettingsController.java

@@ -24,7 +24,7 @@ public class SettingsController {
   private static final String KEY_REST_API_PATH = "uiBackendApiUrl";
 
 
-  @Value("${app.guiInfo.dsePatientProfileUrl}")
+  @Value("${passthrough.dsePatientProfileUrl}")
   private String dseUrl;
 
   @Value("${app.privacy.threshold.sites}")
@@ -39,10 +39,10 @@ public class SettingsController {
   @Value("${app.privacy.quota.read.resultSummary.pollingInterval}")
   private String pollingTime = "PT20S";
 
-  @Value("${app.guiInfo.portalLink}")
+  @Value("${passthrough.portalLink}")
   private String portalLink;
 
-  @Value("${app.guiInfo.ccdlVersion}")
+  @Value("${passthrough.ccdlVersion}")
   private String ccdlVersion = "version";
 
 

src/main/resources/application.yml

@@ -73,10 +73,6 @@ app:
   queryResultExpiry: ${QUERYRESULT_EXPIRY:PT1M}
   maxSavedQueriesPerUser: ${MAX_SAVED_QUERIES_PER_USER:10}
   purgeExpiredQueries: ${PURGE_EXPIRED_QUERIES:0 0 * * * *}
-  guiInfo:
-    ccdlVersion: ${CCDL_VERSION:unknown}
-    portalLink: ${PORTAL_LINK:https://antrag.forschen-fuer-gesundheit.de}
-    dsePatientProfileUrl: ${DSE_PATIENT_PROFILE_URL:https://www.medizininformatik-initiative.de/fhir/core/modul-person/StructureDefinition/PatientPseudonymisiert}
   export:
     csv:
       delimiter: ${EXPORT_CSV_DELIMITER:;}
@@ -153,7 +149,10 @@ app:
           pollingInterval: ${PRIVACY_QUOTA_READ_DETAILED_OBFUSCATED_POLLINGINTERVAL:PT10S}
           amount: ${PRIVACY_QUOTA_READ_DETAILED_OBFUSCATED_AMOUNT:3}
           interval: ${PRIVACY_QUOTA_READ_DETAILED_OBFUSCATED_INTERVAL:PT2H}
-
+passthrough:
+  ccdlVersion: ${PT_CCDL_VERSION:unknown}
+  portalLink: ${PT_PORTAL_LINK:https://antrag.forschen-fuer-gesundheit.de}
+  dsePatientProfileUrl: ${PT_DSE_PATIENT_PROFILE_URL:https://www.medizininformatik-initiative.de/fhir/core/modul-person/StructureDefinition/PatientPseudonymisiert}
 logging:
   level:
     org.hibernate: ${LOG_LEVEL_SQL:warn}