infrasynth-backend-kit/infrasynth/workflows/migrations/0001_initial.py

# Generated by Django 5.2.16 on 2026-07-31 01:19

import django.db.models.deletion
from django.conf import settings
from django.db import migrations, models

import infrasynth.shared.enums


class Migration(migrations.Migration):
    initial = True

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name="Workflow",
            fields=[
                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
                ("slug", models.SlugField(max_length=100, unique=True)),
                ("name", models.CharField(max_length=200)),
                ("description", models.TextField(blank=True)),
                ("is_active", models.BooleanField(default=True)),
                (
                    "created_by",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="+",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
            ],
            options={
                "db_table": "workflows_definition",
            },
        ),
        migrations.CreateModel(
            name="WorkflowNode",
            fields=[
                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
                ("name", models.CharField(max_length=200)),
                (
                    "node_type",
                    models.CharField(
                        choices=[("start", "Start"), ("intermediate", "Intermediate"), ("end", "End")],
                        default="intermediate",
                        max_length=20,
                    ),
                ),
                ("min_approvals", models.PositiveSmallIntegerField(default=1)),
                (
                    "approval_strategy",
                    models.CharField(
                        choices=infrasynth.shared.enums.ApprovalStrategy.choices,
                        default=infrasynth.shared.enums.ApprovalStrategy["ALL"],
                        max_length=20,
                    ),
                ),
                ("position_x", models.IntegerField(default=0)),
                ("position_y", models.IntegerField(default=0)),
                (
                    "workflow",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="nodes",
                        to="infrasynth_workflows.workflow",
                    ),
                ),
            ],
            options={
                "db_table": "workflows_node",
                "unique_together": {("workflow", "name")},
            },
        ),
        migrations.CreateModel(
            name="WorkflowInstance",
            fields=[
                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
                (
                    "status",
                    models.CharField(
                        choices=[
                            ("in_progress", "In Progress"),
                            ("completed", "Completed"),
                            ("cancelled", "Cancelled"),
                        ],
                        default="in_progress",
                        max_length=20,
                    ),
                ),
                ("started_at", models.DateTimeField(auto_now_add=True)),
                ("completed_at", models.DateTimeField(blank=True, null=True)),
                ("metadata", models.JSONField(default=dict)),
                (
                    "owner",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="+",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
                (
                    "workflow",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="instances",
                        to="infrasynth_workflows.workflow",
                    ),
                ),
                (
                    "current_node",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="+",
                        to="infrasynth_workflows.workflownode",
                    ),
                ),
            ],
            options={
                "db_table": "workflows_instance",
            },
        ),
        migrations.CreateModel(
            name="NodeAssignment",
            fields=[
                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
                ("visit_number", models.IntegerField(default=1)),
                ("is_required", models.BooleanField(default=True)),
                ("has_processed", models.BooleanField(default=False)),
                ("decision", models.CharField(blank=True, max_length=50, null=True)),
                ("comments", models.TextField(blank=True)),
                ("submitted_data", models.JSONField(blank=True, default=dict, null=True)),
                ("processed_at", models.DateTimeField(blank=True, null=True)),
                (
                    "user",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE, related_name="+", to=settings.AUTH_USER_MODEL
                    ),
                ),
                (
                    "instance",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="assignments",
                        to="infrasynth_workflows.workflowinstance",
                    ),
                ),
                (
                    "node",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="assignments",
                        to="infrasynth_workflows.workflownode",
                    ),
                ),
            ],
            options={
                "db_table": "workflows_node_assignment",
            },
        ),
        migrations.CreateModel(
            name="Transition",
            fields=[
                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
                ("condition_slug", models.CharField(blank=True, max_length=100)),
                ("is_default", models.BooleanField(default=False)),
                (
                    "from_node",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="outgoing_transitions",
                        to="infrasynth_workflows.workflownode",
                    ),
                ),
                (
                    "to_node",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="incoming_transitions",
                        to="infrasynth_workflows.workflownode",
                    ),
                ),
            ],
            options={
                "db_table": "workflows_transition",
                "unique_together": {("from_node", "condition_slug")},
            },
        ),
        migrations.CreateModel(
            name="WorkflowObserver",
            fields=[
                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
                (
                    "instance",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="observers",
                        to="infrasynth_workflows.workflowinstance",
                    ),
                ),
                (
                    "user",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE, related_name="+", to=settings.AUTH_USER_MODEL
                    ),
                ),
            ],
            options={
                "db_table": "workflows_observer",
                "unique_together": {("instance", "user")},
            },
        ),
    ]