Fixes for back translations

server/router/translate/index.js

@@ -291,11 +291,17 @@ module.exports = function (options) {
                                 ]
                             }
                         ]
-                    }
+                    },
+                    {
+                        association: db.TranslationArtifactVersion.BackTranslation,
+                    },
                 ]
             }).then((translationArtifactVersion) => {
                 if (translationArtifactVersion) {
-                    // TODO: Create a backTranslation...
+                    if (translationArtifactVersion.backTranslation) {
+                        // translationArtifactVersion has a back translation...xx§
+                        return translationArtifactVersion.backTranslation
+                    } else {
                         return db.TranslationArtifactVersion.create({
                             creatorId: request.user.id,
                             name: translationArtifactVersion.artifactVersion.artifact.dialect.name,
@@ -329,6 +335,7 @@ module.exports = function (options) {
                                 }
                             ]
                         })
+                    }
                 } else {
                     return null
                 }
@@ -336,8 +343,7 @@ module.exports = function (options) {
                 if (translationArtifactVersion) {
                     response.redirect(`/translate/${translationArtifactVersion.id}`)
                 } else {
-                    // TODO: Let user know we cannot back translate 
+                    next()
-                    
                 }
             }).catch(error => {
                 next(error)

server/router/versions/index.js

@@ -21,7 +21,11 @@ module.exports = function (options) {
                         association: db.ArtifactVersion.Chapters
                     },
                     {
-                        association: db.ArtifactVersion.TranslationArtifactVersions
+                        association: db.ArtifactVersion.TranslationArtifactVersions,
+                        where: {
+                            backTranslationFromId: null
+                        },
+                        required: false
                     }
                 ]
             }).then(artifactVersion => {