Project ownership handling

server/views/project.pug

@@ -1,6 +1,12 @@
 extend templates/layout.pug
 
 block content
+    -
+        const isOwnedByUser = project.owner.ownerEntities.some(ownerEntity => { 
+            return ownerEntity.entity.entityUsers.some(entityUser => {
+                return entityUser.userId == user?.id
+            })
+        })
     .container
         .center
             h1= project.name 
@@ -19,15 +25,17 @@ block content
             h2 Entries 
             each projectArtifactVersion in project.projectArtifactVersions
                 p.flow-text= projectArtifactVersion.artifactVersion.artifact.name
-            .row 
-                .col.s12 
-                    a.btn.black(href=`/projects/${project.id}/add-artifact`)  add from library
+            if isOwnedByUser
+                .row 
+                    .col.s12 
+                        a.btn.black(href=`/projects/${project.id}/add-artifact`)  add from library
             .divider 
             h2 Translation 
             each projectTranslationArtifactVersion in project.projectTranslationArtifactVersions
                 p.flow-text #{projectTranslationArtifactVersion.translationArtifactVersion.name} - #{projectTranslationArtifactVersion.translationArtifactVersion.artifactVersion.artifact.name} 
-            .row 
-                .col.s12
-                    a.btn.black(href=`/projects/${project.id}/add-translation`)  add translation
+            if isOwnedByUser
+                .row 
+                    .col.s12
+                        a.btn.black(href=`/projects/${project.id}/add-translation`)  add translation
             //- TODO: Show project translation artifact versions
             //- TODO: Show project artifact versions