Adding fork functionality on entryVersions

server/router/fork/index.js

@@ -32,11 +32,19 @@ module.exports = function (options) {
     
     router.route('/e/:id')
         .get(function(request, response, next) {
-            db.TranslationEntryVersion.findByPk(request.params.id, {
-            }).then(translationEntryVersion => {
-                if (translationEntryVersion) {
-                    // choose a dialect
-                    next()
+            db.EntryVersion.findByPk(request.params.id, {
+                include: [
+                    {
+                        association: db.EntryVersion.Entry
+                    }
+                ]
+            }).then(entryVersion => {
+                if (entryVersion) {
+                    response.display("fork-entry-version", {
+                        user: request.user,
+                        pageTitle: "Add translation - Mantra",
+                        entryVersion: entryVersion
+                    })
                 } else {
                     next()
                 }
@@ -44,18 +52,64 @@ module.exports = function (options) {
                 next(error)
             })
         })
-        .post(function(request, response, next) {
-            db.TranslationEntryVersion.findByPk(request.params.id, {
-            }).then(translationEntryVersion => {
-                if (translationEntryVersion) {
-                    // fork...
-                    next()
-                } else {
-                    next()
+        .post(async function(request, response, next) {
+            const dialectTokens = request.body.dialect?.split(":")
+            if (dialectTokens?.length == 2) {
+                const countryId = dialectTokens[0].split("-")[0]
+                const languageId = dialectTokens[0].split("-")[1]
+
+                const dialect = await db.Dialect.findOne({
+                    where: {
+                        countryId: countryId,
+                        languageId: languageId
+                    }
+                })
+
+                if (dialect) {
+                    const entryVersion = await db.EntryVersion.findByPk(request.params.id, {
+                        include: [
+                            {
+                                association: db.EntryVersion.Entry
+                            },
+                            {
+                                association: db.EntryVersion.TranslationEntryVersions,
+                                required: false,
+                                where: {
+                                    dialectId: dialect.id,
+                                }
+                            }
+                        ]
+                    })
+
+                    if (entryVersion) {
+                        const forkedTranslationEntryVersion = await forkEntryVersion(entryVersion, dialect, request.user.id)
+                        if (forkedTranslationEntryVersion) {
+                            return response.redirect(`/v/${forkedTranslationEntryVersion.entryVersionId}/translations/${forkedTranslationEntryVersion.id}`)
+                        } 
+                    }
                 }
-            }).catch(error => {
-                next(error)
-            })
+            }
+            next()
         })
+
+    const forkEntryVersion = (entryVersion, dialect, userId) => {
+        if (entryVersion.translationEntryVersions.length == 0) {
+            // create a translationEntryVersion with a new dialect...
+            return db.TranslationEntryVersion.create({
+                name: dialect.name,
+                entryVersionId: entryVersion.id,
+                dialectId: dialect.id,
+                userId: userId,
+            })
+        } else {
+            return db.TranslationEntryVersion.create({
+                name: entryVersion.translationEntryVersions[0].name,
+                entryVersionId: entryVersion.translationEntryVersions[0].entryVersionId,
+                userId: userId,
+                dialectId: entryVersion.translationEntryVersions[0].dialectId,
+                forkedFromId: entryVersion.translationEntryVersions[0].id
+            })
+        }
+    }
     return router;
 };

server/views/entry-version.pug

@@ -6,6 +6,9 @@ block content
             h1 #{entryVersion.entry.name}
             h2 #{entryVersion.tag}
 
+            .row
+                .col.s12
+                    a.btn.black(href=`/fork/e/${entryVersion.id}`) fork 
             .divider
             .row
             a.btn.black(href=`/v/${entryVersion.id}/chapters/add`)  add chapter 

server/views/fork-entry-version.pug

@@ -0,0 +1,22 @@
+extend templates/layout.pug
+
+block content
+    .container
+        .center
+            h1 Fork of #{entryVersion.entry.name}
+
+            .row
+                .col.s12 
+                    form.row(action=`/fork/e/${entryVersion.id}`, method="post")
+
+                        .col.s12.input-field 
+                            i.material-icons.prefix record_voice_over
+                            input#dialect-autocomplete.autocomplete(type="text", name="dialect", required, autocomplete="off")
+                            label(for="dialect-autocomplete") Dialect which this translation will be made in.
+                        .col.s12 
+                            button.btn.black(type="submit") add translation
+
+
+block additionalScripts
+    script 
+        include js/init-dialect-autocomplete.js