836: Send verification emails

administration/src/application/components/ApplyController.tsx

@@ -92,7 +92,7 @@ const ApplyController = (): React.ReactElement | null => {
     const [regionId, application] = validationResult.value
 
     addBlueEakApplication({
-      variables: { regionId, application },
+      variables: { regionId, application, project: projectId },
     })
   }
 

administration/src/graphql/applications/apply.graphql → administration/src/graphql/applications/addApplication.graphql

@@ -1,3 +1,3 @@
-mutation addEakApplication($regionId: Int!, $application: ApplicationInput!) {
-  result: addEakApplication(regionId: $regionId, application: $application)
+mutation addEakApplication($regionId: Int!, $application: ApplicationInput!, $project: String!) {
+  result: addEakApplication(regionId: $regionId, application: $application, project: $project)
 }

backend/src/main/kotlin/app/ehrenamtskarte/backend/application/webservice/EakApplicationMutationService.kt

@@ -1,15 +1,19 @@
 package app.ehrenamtskarte.backend.application.webservice
 
 import app.ehrenamtskarte.backend.application.database.ApplicationEntity
+import app.ehrenamtskarte.backend.application.database.ApplicationVerificationEntity
 import app.ehrenamtskarte.backend.application.database.repos.ApplicationRepository
 import app.ehrenamtskarte.backend.application.webservice.schema.create.Application
 import app.ehrenamtskarte.backend.auth.database.AdministratorEntity
 import app.ehrenamtskarte.backend.auth.service.Authorizer.mayDeleteApplicationsInRegion
 import app.ehrenamtskarte.backend.common.webservice.GraphQLContext
 import app.ehrenamtskarte.backend.common.webservice.UnauthorizedException
+import app.ehrenamtskarte.backend.mail.Mailer
 import com.expediagroup.graphql.generator.annotations.GraphQLDescription
 import graphql.schema.DataFetchingEnvironment
 import org.jetbrains.exposed.sql.transactions.transaction
+import java.net.URLEncoder
+import java.nio.charset.StandardCharsets
 
 @Suppress("unused")
 class EakApplicationMutationService {
@@ -18,29 +22,63 @@ class EakApplicationMutationService {
     fun addEakApplication(
         regionId: Int,
         application: Application,
+        project: String,
         dfe: DataFetchingEnvironment,
     ): Boolean {
         val context = dfe.getContext<GraphQLContext>()
+        val backendConfig = context.backendConfiguration
+        val projectConfig = backendConfig.projects.first { it.id == project }
+
         // Validate that all files are png, jpeg or pdf files and at most 5MB.
         val allowedContentTypes = setOf("application/pdf", "image/png", "image/jpeg")
         val maxFileSizeBytes = 5 * 1000 * 1000
         if (!context.files.all { it.contentType in allowedContentTypes && it.size <= maxFileSizeBytes }) {
             throw IllegalArgumentException("An uploaded file does not adhere to the file upload requirements.")
         }
 
-        val (applicationEntity, verificationEntities) = ApplicationRepository.persistApplication(
-            application.toJsonField(),
-            application.extractApplicationVerifications(),
-            regionId,
-            context.applicationData,
-            context.files,
-        )
+        transaction {
+            val (applicationEntity, verificationEntities) = ApplicationRepository.persistApplication(
+                application.toJsonField(),
+                application.extractApplicationVerifications(),
+                regionId,
+                context.applicationData,
+                context.files,
+            )
 
-        // TODO: Send mails
+            for (applicationVerification in verificationEntities) {
+                Mailer.sendMail(
+                    backendConfig,
+                    projectConfig.smtp,
+                    projectConfig.administrationName,
+                    applicationVerification.contactEmailAddress,
+                    "Antrag Verifizieren",
+                    generateApplicationVerificationMailMessage(projectConfig.administrationName, projectConfig.administrationBaseUrl, applicationVerification)
+                )
+            }
+        }
 
         return true
     }
 
+    private fun generateApplicationVerificationMailMessage(
+        administrationName: String,
+        administrationBaseUrl: String,
+        applicationVerification: ApplicationVerificationEntity
+    ): String {
+        return """
+        Guten Tag ${applicationVerification.contactName},
+
+        Sie wurden gebeten, die Angaben eines Antrags auf Ehrenamtskarte zu bestätigen. Die Antragsstellerin oder der
+        Antragssteller hat Sie als Kontaktperson der Organisation ${applicationVerification.organizationName} angegeben. 
+        Sie können den Antrag unter folgendem Link einsehen und die Angaben bestätigen oder ihnen widersprechen:
+        $administrationBaseUrl/antrag-verifizieren/${URLEncoder.encode(applicationVerification.accessKey, StandardCharsets.UTF_8)}
+
+        Dies ist eine automatisierte Nachricht. Antworten Sie nicht auf diese Email.
+
+        - $administrationName
+        """.trimIndent()
+    }
+
     @GraphQLDescription("Deletes the application with specified id")
     fun deleteApplication(
         applicationId: Int,

specs/backend-api.graphql

@@ -98,7 +98,7 @@ type Mutation {
   "Stores a batch of new digital entitlementcards"
   addCards(cards: [CardGenerationModelInput!]!): Boolean!
   "Stores a new application for an EAK"
-  addEakApplication(application: ApplicationInput!, regionId: Int!): Boolean!
+  addEakApplication(application: ApplicationInput!, project: String!, regionId: Int!): Boolean!
   "Changes an administrator's password"
   changePassword(currentPassword: String!, email: String!, newPassword: String!, project: String!): Boolean!
   "Creates a new administrator"