Check empty/same name on creating text files

[tobiasKaminsky]

To test

• create a text/markdown file
• create a second one
  • check same name
  • check empty name (.md)
  • check empty name ("")

Signed-off-by: tobiasKaminsky tobias@kaminsky.me

• Tests written, or not not needed

[codecov]

Codecov Report

Merging #10537 (f8cb736) into master (eaef5fc) will increase coverage by 0.07%.
The diff coverage is 0.00%.

❗ Current head f8cb736 differs from pull request most recent head 75e8c94. Consider uploading reports for the commit 75e8c94 to get more accurate results

@@             Coverage Diff              @@
##             master   #10537      +/-   ##
============================================
+ Coverage     31.48%   31.56%   +0.07%     
- Complexity     3280     3281       +1     
============================================
  Files           540      540              
  Lines         40194    40188       -6     
  Branches       5554     5555       +1     
============================================
+ Hits          12657    12687      +30     
+ Misses        25634    25587      -47     
- Partials       1903     1914      +11     

Impacted Files	Coverage Δ
.../android/ui/dialog/ChooseTemplateDialogFragment.kt	0.00% <0.00%> (ø)
...cloud/android/datamodel/UploadsStorageManager.java	70.03% <0.00%> (-2.17%)	⬇️
.../owncloud/android/ui/adapter/OCFileListDelegate.kt	49.63% <0.00%> (-1.46%)	⬇️
...loud/android/datamodel/ThumbnailsCacheManager.java	38.70% <0.00%> (-0.72%)	⬇️
...cloud/android/ui/activity/SyncedFoldersActivity.kt	19.50% <0.00%> (-0.23%)	⬇️
...cloud/android/ui/activity/FileDisplayActivity.java	26.19% <0.00%> (+0.08%)	⬆️
...wncloud/android/providers/FileContentProvider.java	27.04% <0.00%> (+0.09%)	⬆️
.../java/com/owncloud/android/utils/DisplayUtils.java	37.05% <0.00%> (+0.29%)	⬆️
...loud/android/datamodel/FileDataStorageManager.java	60.74% <0.00%> (+0.40%)	⬆️
.../owncloud/android/files/services/FileUploader.java	54.03% <0.00%> (+2.41%)	⬆️
... and 2 more

[github-actions]

Codacy

Lint

Type	master	PR
Warnings	85	85
Errors	0	0

SpotBugs

Category	Base	New
Bad practice	29	29
Correctness	46	46
Dodgy code	353	353
Experimental	1	1
Internationalization	9	9
Multithreaded correctness	9	9
Performance	59	59
Security	28	28
Total	534	534

[AlvaroBrey]

/backport to stable-3.21

[github-actions]

APK file: https://www.kaminsky.me/nc-dev/android-artifacts/10537.apk



To test this change/fix you can simply download above APK file and install and test it in parallel to your existing Nextcloud app.