Map gallery

[Xpirix]

Fix for #49

This pull request introduces significant changes to the qgis-app project, primarily adding support for a new Map model in the map_gallery app. The changes include updates to serializers, views, forms, validators, and tests to handle the new Map model. Below are the most important changes:

Serializer and View Updates:

• Added Map import to qgis-app/api/serializers.py and updated ResourceBaseSerializer to include get_thumbnail_full method for handling Map objects. [1] [2] [3]
• Introduced MapSerializer class extending ResourceBaseSerializer and added Map to the list of serializers and views in qgis-app/api/views.py. [1] [2] [3] [4] [5] [6]

Form and Validator Updates:

• Modified filesize_validator function to include is_map parameter and updated clean_file method in qgis-app/base/forms/processing_forms.py to handle Map files. [1] [2]
• Added new forms ResourceFormMixin, UploadForm, and UpdateForm in qgis-app/map_gallery/forms.py to handle Map uploads and updates.

Model and Migration Updates:

• Created Map model and associated Review model in qgis-app/map_gallery/models.py and added initial migrations to create these models in the database. [1] [2] [3]

Test Updates:

• Added comprehensive tests for Map model in qgis-app/map_gallery/tests/test_views.py, including form validation, email notifications, and upload/review functionalities. [1] [2]

These changes collectively enhance the functionality of the qgis-app project by integrating support for map submissions, reviews, and related operations.

map-gallery.mov

[timlinux]

That looks really great @Xpirix thanks