diff --git a/src/adonisjs/app/Controllers/Http/v1/ArtifactController.js b/src/adonisjs/app/Controllers/Http/v1/ArtifactController.js
index dabe13b..124440d 100644
--- a/src/adonisjs/app/Controllers/Http/v1/ArtifactController.js
+++ b/src/adonisjs/app/Controllers/Http/v1/ArtifactController.js
@@ -44,14 +44,14 @@ class ArtifactController {
 			var linkedCase = await Case.find(caseID)
 
 			if (caseID != null && linkedCase == null){
-				return response.json({ message: "User id not found" })
+				return response.json({ message: "Case id not found" })
 			} 
 	
 	
 			const artifact = new Artifact()
 			artifact.fs_path       = fsPath + artifactFileName 
 			artifact.relative_path = this.relativePath + artifactFileName
-			artifact.case_id       = linkedCase != null ? linkedCase.id : linkedCase;
+			artifact.case_id       = linkedCase != null ? linkedCase.uuid : linkedCase;
 			await auth.user.artifacts().save(artifact)
 	
 			 const base_url = Env.getOrFail('APP_URL')
@@ -71,6 +71,7 @@ class ArtifactController {
 	
 			 })
 		} catch(e){
+			console.log('veio')
 			console.log(e)
       		return response.status(e.status).json({ message: e.message })
 		}
diff --git a/src/adonisjs/app/Controllers/Http/v1/CaseController.js b/src/adonisjs/app/Controllers/Http/v1/CaseController.js
index c724f44..e30816b 100644
--- a/src/adonisjs/app/Controllers/Http/v1/CaseController.js
+++ b/src/adonisjs/app/Controllers/Http/v1/CaseController.js
@@ -8,9 +8,7 @@ const User = use('App/Models/v1/User');
 const Case = use('App/Models/v1/Case');
 const CaseVersion = use('App/Models/v1/CaseVersion')
 
-const fs = require('fs');
-
-const PLAYER_DIR = "../../player/"
+const uuidv4 = require('uuid/v4');
 
 /** * Resourceful controller for interacting with cases */
 class CaseController {
@@ -48,7 +46,7 @@ class CaseController {
       let c = await Case.find( params.id )
       let versions = await c.versions().fetch()
 
-      c.source = versions.first().source
+      c.source = versions.last().source
 
       return response.json(c)
     } catch (e) {
@@ -60,6 +58,8 @@ class CaseController {
   async store({ request, auth, response }) {
     try {
       let c = new Case()
+
+      c.uuid = await uuidv4()
       c.name = request.input('name')
       c.user_id = auth.user.id
       
diff --git a/src/adonisjs/app/Models/v1/Case.js b/src/adonisjs/app/Models/v1/Case.js
index da93988..c5c4917 100644
--- a/src/adonisjs/app/Models/v1/Case.js
+++ b/src/adonisjs/app/Models/v1/Case.js
@@ -21,14 +21,6 @@ class Case extends Model {
     versions(){
         return this.hasMany('App/Models/v1/CaseVersion')
     }
-
-    static boot() {
-        super.boot()
-
-        this.addHook('beforeSave', async (caseInstance) => {
-            caseInstance.uuid = await uuidv4()
-        })
-    }
 } 
 
 module.exports = Case
diff --git a/src/adonisjs/database/factory.js b/src/adonisjs/database/factory.js
index 20d6a36..fa07f1f 100644
--- a/src/adonisjs/database/factory.js
+++ b/src/adonisjs/database/factory.js
@@ -25,7 +25,8 @@ Factory.blueprint('App/Models/v1/User', async (faker, i, data) => {
 
 Factory.blueprint('App/Models/v1/Case', (faker, i, data) => {
   return {
-    name: data.name
+    name: data.name,
+    uuid: data.uuid
   }
 })
 
diff --git a/src/adonisjs/database/seeds/InitialSeeder.js b/src/adonisjs/database/seeds/InitialSeeder.js
index 13afa39..700a04b 100644
--- a/src/adonisjs/database/seeds/InitialSeeder.js
+++ b/src/adonisjs/database/seeds/InitialSeeder.js
@@ -14,26 +14,37 @@
 const Factory = use('Factory')
 
 const User = use('App/Models/v1/User');
-
+const Database = use('Database')
 const RESOURCE_DIR = "resources/"
 
 const fs = require('fs');
+const uuidv4 = require('uuid/v4');
 
 class UserSeeder {
   async run() {
-    let user = new User()
-    user.username = 'jacinto'
-    user.email = 'jacinto@example.com' 
-    user.password = 'jacinto'
-
-    const c = await Factory.model('App/Models/v1/Case').make({ name: 'case001-development' })
-    await user.cases().save(c)
-
-    const cv = await Factory.model('App/Models/v1/CaseVersion').make({ source: fs.readFileSync(RESOURCE_DIR + 'case.md', 'utf8') })
-    
-    await c.versions().save(cv)
-
-    await Factory.model('App/Models/v1/User').createMany(5)
+    const trx = await Database.beginTransaction()
+    try{
+      let user = new User()
+      user.username = 'jacinto'
+      user.email = 'jacinto@example.com' 
+      user.password = 'jacinto'
+ 
+      await user.save(trx)
+
+      const c = await Factory.model('App/Models/v1/Case').make({ name: 'case001-development', uuid:  await uuidv4() })
+      await user.cases().save(c, trx)
+  
+      const cv = await Factory.model('App/Models/v1/CaseVersion').make({ source: fs.readFileSync(RESOURCE_DIR + 'case.md', 'utf8') })
+      
+      await c.versions().save(cv, trx)
+  
+      await Factory.model('App/Models/v1/User').createMany(5)
+      
+      trx.commit()
+    } catch(e){
+      console.log('Error on seed process. Transactions rolled back')
+      trx.rollback()
+    }
   }
 }