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Phase 1: scaffold, data models, selection logic, tests

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Flask application skeleton with SQLAlchemy models for courses (including
per-course settings), students, enrollments, opt-outs, and calls; the
weighted and cycle selection logic ported from the manual coldcall
scripts; alembic migrations; and a pytest suite covering selection
behavior and the model query helpers.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Benjamin Mako Hill
2026-07-31 16:26:53 -07:00
commit 8d8a463f81
16 changed files with 795 additions and 0 deletions
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migrations/versions/ad7e3f5ea2f3_initial_schema.py Normal file
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"""initial schema
Revision ID: ad7e3f5ea2f3
Revises:
Create Date: 2026-07-31 16:23:01.164289
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision: str = 'ad7e3f5ea2f3'
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('courses',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('lti_context_id', sa.String(length=255), nullable=False),
sa.Column('lti_deployment_id', sa.String(length=255), nullable=True),
sa.Column('title', sa.String(length=255), nullable=True),
sa.Column('weight_factor', sa.Float(), nullable=False),
sa.Column('selection_mode', sa.String(length=16), nullable=False),
sa.Column('show_assessments', sa.Boolean(), nullable=False),
sa.Column('created_at', sa.DateTime(), nullable=False),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('lti_context_id')
)
op.create_table('students',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('canvas_user_id', sa.String(length=255), nullable=False),
sa.Column('name', sa.String(length=255), nullable=True),
sa.Column('sortable_name', sa.String(length=255), nullable=True),
sa.Column('email', sa.String(length=255), nullable=True),
sa.Column('avatar_url', sa.String(length=1024), nullable=True),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('canvas_user_id')
)
op.create_table('calls',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('course_id', sa.Integer(), nullable=False),
sa.Column('student_id', sa.Integer(), nullable=False),
sa.Column('session_date', sa.Date(), nullable=False),
sa.Column('status', sa.String(length=16), nullable=False),
sa.Column('assessment', sa.String(length=32), nullable=True),
sa.Column('note', sa.Text(), nullable=True),
sa.Column('created_at', sa.DateTime(), nullable=False),
sa.ForeignKeyConstraint(['course_id'], ['courses.id'], ),
sa.ForeignKeyConstraint(['student_id'], ['students.id'], ),
sa.PrimaryKeyConstraint('id')
)
op.create_table('enrollments',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('course_id', sa.Integer(), nullable=False),
sa.Column('student_id', sa.Integer(), nullable=False),
sa.Column('role', sa.String(length=32), nullable=False),
sa.Column('active', sa.Boolean(), nullable=False),
sa.ForeignKeyConstraint(['course_id'], ['courses.id'], ),
sa.ForeignKeyConstraint(['student_id'], ['students.id'], ),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('course_id', 'student_id')
)
op.create_table('optouts',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('course_id', sa.Integer(), nullable=False),
sa.Column('student_id', sa.Integer(), nullable=False),
sa.Column('date', sa.Date(), nullable=False),
sa.Column('created_at', sa.DateTime(), nullable=False),
sa.ForeignKeyConstraint(['course_id'], ['courses.id'], ),
sa.ForeignKeyConstraint(['student_id'], ['students.id'], ),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('course_id', 'student_id', 'date')
)
# ### end Alembic commands ###
def downgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
op.drop_table('optouts')
op.drop_table('enrollments')
op.drop_table('calls')
op.drop_table('students')
op.drop_table('courses')
# ### end Alembic commands ###