New OraAggregateData.collect_ora2_responses method

Description

New `OraAggregateData` classmethod to get information about all ORA2 blocks in the course with response count for each step. Example of return information:

This PR is the first step of implementation of this feature: https://github.com/edx/edx-platform/pull/14372c

Status

Assignee

Eric Fischer

Reporter

Open Source Pull Request Bot

Contributor Name

Dmitry Viskov

Repo

edx/edx-ora2

Customer

Epic Link

None

OSCM Assignee

George Song

Platform Map Area (Levels 1 & 2)

None

Platform Map Area (Levels 3 & 4)

None

Story Points

2

Priority

Unset
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