Add validation on route EditWorkgroup

src/main/kotlin/fr/dcproject/common/validation/Url.kt

@@ -0,0 +1,15 @@
+package fr.dcproject.common.validation
+
+import io.konform.validation.ValidationBuilder
+import java.net.MalformedURLException
+import java.net.URL
+
+fun ValidationBuilder<String>.isUrl() =
+    addConstraint("is not url") {
+        try {
+            val url = URL(it)
+            true
+        } catch (e: MalformedURLException) {
+            false
+        }
+    }

src/main/kotlin/fr/dcproject/component/workgroup/routes/EditWorkgroup.kt

@@ -1,13 +1,18 @@
 package fr.dcproject.component.workgroup.routes
 
+import fr.dcproject.application.http.badRequestIfNotValid
 import fr.dcproject.common.security.assert
 import fr.dcproject.common.utils.receiveOrBadRequest
+import fr.dcproject.common.validation.isUrl
 import fr.dcproject.component.auth.citizenOrNull
 import fr.dcproject.component.auth.mustBeAuth
 import fr.dcproject.component.workgroup.WorkgroupAccessControl
 import fr.dcproject.component.workgroup.database.WorkgroupForUpdate
 import fr.dcproject.component.workgroup.database.WorkgroupRepository
 import fr.dcproject.component.workgroup.routes.EditWorkgroup.PutWorkgroupRequest.Input
+import io.konform.validation.Validation
+import io.konform.validation.jsonschema.maxLength
+import io.konform.validation.jsonschema.minLength
 import io.ktor.application.call
 import io.ktor.http.HttpStatusCode
 import io.ktor.locations.KtorExperimentalLocationsAPI
@@ -27,7 +32,22 @@ object EditWorkgroup {
             val description: String?,
             val logo: String?,
             val anonymous: Boolean?
-        )
+        ) {
+            fun validate() = Validation<Input> {
+                Input::name ifPresent {
+                    minLength(5)
+                    maxLength(80)
+                }
+                Input::description ifPresent {
+                    minLength(50)
+                    maxLength(6000)
+                }
+                Input::logo ifPresent {
+                    isUrl()
+                    maxLength(2048)
+                }
+            }.validate(this)
+        }
     }
 
     fun Route.editWorkgroup(repo: WorkgroupRepository, ac: WorkgroupAccessControl) {
@@ -35,6 +55,7 @@ object EditWorkgroup {
             mustBeAuth()
             repo.findById(it.workgroupId)?.let { old ->
                 call.receiveOrBadRequest<Input>().run {
+                    validate().badRequestIfNotValid()
                     WorkgroupForUpdate(
                         id = old.id,
                         name = name ?: old.name,