feat: Init backend

legalconsenthub-backend/src/main/kotlin/com/betriebsratkanzlei/legalconsenthub/error/ApplicationFormNotCreatedException.kt

@@ -0,0 +1,3 @@
+package com.betriebsratkanzlei.legalconsenthub.error
+
+class ApplicationFormNotCreatedException(e: Exception): RuntimeException("Couldn't create application form", e)

legalconsenthub-backend/src/main/kotlin/com/betriebsratkanzlei/legalconsenthub/error/ApplicationFormNotDeletedException.kt

@@ -0,0 +1,3 @@
+package com.betriebsratkanzlei.legalconsenthub.error
+
+class ApplicationFormNotDeletedException(e: Exception): RuntimeException("Couldn't delete application form", e)

legalconsenthub-backend/src/main/kotlin/com/betriebsratkanzlei/legalconsenthub/error/ApplicationFormNotFoundException.kt

@@ -0,0 +1,5 @@
+package com.betriebsratkanzlei.legalconsenthub.error
+
+import java.util.UUID
+
+class ApplicationFormNotFoundException(id: UUID): RuntimeException("Couldn't find application form with ID: $id")

legalconsenthub-backend/src/main/kotlin/com/betriebsratkanzlei/legalconsenthub/error/ApplicationFormNotUpdatedException.kt

@@ -0,0 +1,5 @@
+package com.betriebsratkanzlei.legalconsenthub.error
+
+import java.util.UUID
+
+class ApplicationFormNotUpdatedException(e: Exception, id: UUID): RuntimeException("Couldn't update application form with ID: $id", e)

legalconsenthub-backend/src/main/kotlin/com/betriebsratkanzlei/legalconsenthub/error/ExceptionHandler.kt

@@ -0,0 +1,53 @@
+package com.betriebsratkanzlei.legalconsenthub.error
+
+import com.betriebsratkanzlei.legalconsenthub_api.model.ProblemDetails
+import org.slf4j.LoggerFactory
+import org.springframework.http.HttpStatus
+import org.springframework.http.MediaType
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.ControllerAdvice
+import org.springframework.web.bind.annotation.ExceptionHandler
+import org.springframework.web.bind.annotation.ResponseBody
+import org.springframework.web.bind.annotation.ResponseStatus
+import java.net.URI
+
+@ControllerAdvice
+class ExceptionHandler {
+    var logger = LoggerFactory.getLogger(ExceptionHandler::class.java)
+
+    @ResponseBody
+    @ExceptionHandler(ApplicationFormNotFoundException::class)
+    @ResponseStatus(HttpStatus.NOT_FOUND)
+    fun handleNotFoundError(e: Exception): ResponseEntity<ProblemDetails> {
+        logger.warn(e.message, e)
+        return ResponseEntity.status(HttpStatus.NOT_FOUND).contentType(MediaType.APPLICATION_PROBLEM_JSON)
+            .body(
+                ProblemDetails(
+                    title = "Not Found",
+                    status = HttpStatus.NOT_FOUND.value(),
+                    type = URI.create("about:blank"),
+                    detail = e.message ?: "Something went wrong"
+                )
+            )
+    }
+
+    @ResponseBody
+    @ExceptionHandler(
+        ApplicationFormNotCreatedException::class,
+        ApplicationFormNotUpdatedException::class,
+        ApplicationFormNotDeletedException::class,
+    )
+    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
+    fun handleInternalServerError(e: Exception): ResponseEntity<ProblemDetails> {
+        logger.warn(e.message, e)
+        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).contentType(MediaType.APPLICATION_PROBLEM_JSON)
+            .body(
+                ProblemDetails(
+                    title = "Internal Server Error",
+                    status = HttpStatus.INTERNAL_SERVER_ERROR.value(),
+                    type = URI.create("about:blank"),
+                    detail = e.message ?: "Something went wrong"
+                )
+            )
+    }
+}