Added validation to check if user add image ou video and prevent to create publication withou it

src/app/pages/publications/new-publication/new-publication.page.ts

@@ -293,9 +293,9 @@ export class NewPublicationPage implements OnInit {
                 console.log(content)
                 this.filecontent = true;
                 let fileObject;
-                if(this.removeTextBeforeSlash(element.mimeType, '/') == "mp4") {
+                if (this.removeTextBeforeSlash(element.mimeType, '/') == "mp4") {
                   fileObject = {
-                    FileBase64: 'data:video/mp4;base64,'+ content.data,
+                    FileBase64: 'data:video/mp4;base64,' + content.data,
                     FileExtension: this.removeTextBeforeSlash(element.mimeType, '/'),
                     OriginalFileName: 'video'
                   }
@@ -405,6 +405,7 @@ export class NewPublicationPage implements OnInit {
     if (this.Form.invalid) return false
 
 
+    if (this.seletedContent.length != 0) {
 
       if (this.publicationType == '3') {
         const loader = this.toastService.loading()
@@ -534,7 +535,6 @@ export class NewPublicationPage implements OnInit {
         try {
 
 
-
           await this.publications.CreatePublication(this.folderId, this.publication).toPromise();
           this.close();
           this.httpErrorHandle.httpsSucessMessagge('Criar publicação')
@@ -551,6 +551,10 @@ export class NewPublicationPage implements OnInit {
       }
 
       this.PublicationFolderService.getPublicationsIds(this.folderId)
+
+    } else {
+      this.httpErrorHandle.validationMessagge("noFileSelected")
+    }
   }
 
 
@@ -741,7 +745,7 @@ export class NewPublicationPage implements OnInit {
           let resultUrl = decodeURIComponent(element.url);
           Filesystem.readFile({ path: resultUrl }).then(async (content) => {
             let fileObject;
-            if(this.checkFileType.checkFileType(FileExtension) == 'image') {
+            if (this.checkFileType.checkFileType(FileExtension) == 'image') {
               fileObject = {
                 FileBase64: this.removeTextBeforeSlash(content.data, ','),
                 FileExtension: FileExtension,
@@ -750,7 +754,7 @@ export class NewPublicationPage implements OnInit {
 
             } else if (this.checkFileType.checkFileType(FileExtension) == 'video') {
               fileObject = {
-                FileBase64: 'data:video/mp4;base64,'+ this.removeTextBeforeSlash(content.data, ','),
+                FileBase64: 'data:video/mp4;base64,' + this.removeTextBeforeSlash(content.data, ','),
                 FileExtension: FileExtension,
                 OriginalFileName: 'shared',
               }