This PR addresses the slow response of the dash apps by doing the following:
Reducing to a minimum the number of queries to the Measurement table, which is big and will only get bigger, storing the required information in a new variables field within the Station model.
Prevent the initial loading of the data in the reporting app, rather requiring from the user to click a button, as it is done in the Validation app. This lets the user decide on the station, variables and range of interest before plotting anything.
This PR addresses the slow response of the dash apps by doing the following:
Measurementtable, which is big and will only get bigger, storing the required information in a newvariablesfield within theStationmodel.