No unauthenticated information source for capacity, enrolled, remaining space, and wait lists #56
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haydenmc
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Nov 12, 2023
Recent changes to Purdue's authentication processes have made scraping MyPurdue pages that require authorization not feasible. This change updates the scraping process to avoid these pages and resort to workarounds (such as manually defined data mapping tables) or omitting data entirely (such as enrollment information). See issues #54, #55, #56 for more information on the changes to available data.
haydenmc
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Nov 14, 2023
This change resolves remaining issues introduced by #57 and #53. The schema has had some slight adjustments made necessary by changes to MyPurdue as well as breaking changes to the database library detailed [here](https://www.roji.org/postgresql-dotnet-timestamp-mapping): - `Capacity`, `Enrolled`, `RemainingSpace`, `WaitListCapacity`, `WaitListCount`, and `WaitListSpace` are **no longer available** on `Section`. Recent changes to MyPurdue have made it not feasible to synchronize these values. This is tracked in #56 for a potential future solution. - `StartDate`/`EndDate` on `Meeting`, `Section`, and `Term` is now stored as [`DateOnly`](https://learn.microsoft.com/en-us/dotnet/api/system.dateonly) objects, and may be null - `StartTime` on `Meeting` is stored as a [`TimeOnly`](https://learn.microsoft.com/en-us/dotnet/api/system.timeonly) object, and may be null - All dates and times are local time with no offset or time zone information. Some offline conversion tables were introduced for pieces of information CatalogSync no longer has access to, such as campus/building short codes. Tracked in #54 and #55 for potential future solutions.
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The loss of access to authenticated MyPurdue pages prevents the use of the "advanced section details" page (
bwskfcls.P_GetCrse_Advanced), which was used to source a variety of information that does not appear to be available in the publicly available pages, such as capacity, enrolled, remaining space, and wait lists.While this information can be retrieved at the individual CRN level via the
bwckschd.p_disp_detail_schedpage, this would require thousands of requests per synchronization.The text was updated successfully, but these errors were encountered: