applications

routes/application.py

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+import datetime
+import os.path
+import uuid
+
+from flask import Blueprint, request
+
+import database
+from constants import APKS_PATH
+
+application_blueprint = Blueprint('application', __name__)
+
+
+@application_blueprint.before_request
+def auth():
+    API_KEY = 'AF9A20DD9264C134CDA0ADACED834368'
+    if request.headers.get('Authorization') != API_KEY:
+        return {'error': 'Unauthorized'}, 401
+
+
+@application_blueprint.get('<string:application_name>/download/<string:version>')
+def download_version(application_name: str, version: str):
+    application = database.Application.query.filter_by(version=version,
+                                                       name=application_name).first()
+    if not application:
+        return {
+            "error": f"Application version '{version}' not found."
+        }, 404
+
+
+@application_blueprint.get('<string:application_name>/version')
+def get_version(application_name: str):
+    version = (database.Application.query.
+               filter_by(name=application_name).
+               order_by(database.Application.uploaded.desc()).
+               with_entities(database.Application.version).
+               limit(1).
+               scalar())
+    return {'latest_version': version}
+
+
+@application_blueprint.post('<string:application_name>/upload')
+def upload(application_name: str):
+    file = request.files.get('file')
+    version = request.form.get('version')
+    if (not file) or (not version):
+        return {"error": "Invalid form data. There is no file or version field"}, 400
+    version = version.strip()
+    application = (database.Application.query.
+                   filter_by(version=version).
+                   with_entities(database.Application.id).first())
+    if application:
+        return {"error": f"Specified version ({version}) already uploaded"}, 400
+    filename = uuid.uuid4().hex + '.apk'
+    file.save(os.path.join(APKS_PATH, filename))
+    application = database.Application(name=application_name,
+                                       version=version,
+                                       uploaded=datetime.datetime.now(),
+                                       filename=filename)
+    database.db.session.add(application)
+    database.db.session.commit()
+    return {'filename': filename, 'version': version}