BatchDAO

[psychometry]

• [x] A user can save a new batch.
• [x] A user can look for all Batches without restriction.
• [x] A user can find all Batches based on trainer ID.
• [x] A user can find all current Batches based on trainerID/co-trainerID.
• [x] A user can find all current Batches with Notes,
• [x] A user can find all current Batches with Trainees.
• [x] A user can find all current Batches with Notes, Trainees and Grades.
• [x] A user can find all current Batches(Start within the past 30days).
• [x] A user can find all batch notes given the batch’s id and the week.
• [x] A user can find Batch with dropped trainees.
• [x] A user can find Batch with Grades and Notes.
• [x] A user can delete Batch.
• [ ] A user can update Batch detail.