Initial commit

backend/migrations/versions/001_initial_schema.py

@@ -0,0 +1,156 @@
+"""Initial schema — all nine tables for the full application.
+
+Revision ID: 001
+Revises: None
+Create Date: 2026-05-31
+"""
+
+from __future__ import annotations
+
+from alembic import op
+
+revision: str = "001"
+down_revision: str | None = None
+branch_labels: str | None = None
+depends_on: str | None = None
+
+# Tables are created in FK-dependency order (workspace first).
+_UPGRADE_SQL = """
+CREATE TABLE IF NOT EXISTS workspace (
+    id TEXT PRIMARY KEY,
+    name TEXT NOT NULL,
+    planning_goal TEXT NOT NULL DEFAULT 'balanced'
+        CHECK (planning_goal IN ('max_time','max_money','balanced')),
+    created_at TIMESTAMP NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS personal_data (
+    uuid TEXT PRIMARY KEY,
+    workspace_id TEXT NOT NULL,
+    name TEXT NOT NULL,
+    salary_type TEXT NOT NULL DEFAULT 'monthly'
+        CHECK (salary_type IN ('monthly','hourly')),
+    employment_status TEXT NOT NULL DEFAULT 'employed'
+        CHECK (employment_status IN ('employed','jobseeking','none')),
+    personnummer_enc TEXT,
+    created_at TIMESTAMP NOT NULL,
+    deleted_at TIMESTAMP,
+    FOREIGN KEY (workspace_id) REFERENCES workspace(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS "user" (
+    id TEXT PRIMARY KEY,
+    personal_data_uuid TEXT NOT NULL UNIQUE,
+    email TEXT NOT NULL UNIQUE,
+    hashed_password TEXT NOT NULL,
+    created_at TIMESTAMP NOT NULL,
+    FOREIGN KEY (personal_data_uuid) REFERENCES personal_data(uuid) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS workspace_invitation (
+    id TEXT PRIMARY KEY,
+    workspace_id TEXT NOT NULL,
+    token_hash TEXT NOT NULL UNIQUE,
+    invited_by_user_id TEXT NOT NULL,
+    status TEXT NOT NULL CHECK (status IN ('pending','accepted','revoked','expired')),
+    expires_at TIMESTAMP NOT NULL,
+    created_at TIMESTAMP NOT NULL,
+    accepted_at TIMESTAMP,
+    FOREIGN KEY (workspace_id) REFERENCES workspace(id) ON DELETE CASCADE,
+    FOREIGN KEY (invited_by_user_id) REFERENCES "user"(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS child (
+    id TEXT PRIMARY KEY,
+    workspace_id TEXT NOT NULL,
+    name TEXT NOT NULL,
+    birth_date DATE NOT NULL,
+    preschool_start_date DATE,
+    created_at TIMESTAMP NOT NULL,
+    FOREIGN KEY (workspace_id) REFERENCES workspace(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS break_period (
+    id TEXT PRIMARY KEY,
+    workspace_id TEXT NOT NULL,
+    name TEXT NOT NULL,
+    start_date DATE NOT NULL,
+    end_date DATE NOT NULL,
+    target_weeks INTEGER NOT NULL,
+    created_at TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP NOT NULL,
+    FOREIGN KEY (workspace_id) REFERENCES workspace(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS parental_leave_fetch (
+    id TEXT PRIMARY KEY,
+    personal_data_uuid TEXT NOT NULL,
+    workspace_id TEXT NOT NULL,
+    child_id TEXT NOT NULL,
+    source TEXT NOT NULL CHECK (source IN ('scraped','manual')),
+    fetched_at TIMESTAMP NOT NULL,
+    total_days INTEGER NOT NULL,
+    days_used INTEGER NOT NULL,
+    days_left INTEGER NOT NULL,
+    reserved_days_total INTEGER NOT NULL DEFAULT 90,
+    reserved_days_left INTEGER NOT NULL,
+    transferable_days_left INTEGER NOT NULL,
+    dubbeldagar_left INTEGER NOT NULL,
+    tier_data TEXT NOT NULL,
+    created_at TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP NOT NULL,
+    FOREIGN KEY (personal_data_uuid) REFERENCES personal_data(uuid) ON DELETE CASCADE,
+    FOREIGN KEY (workspace_id) REFERENCES workspace(id) ON DELETE CASCADE,
+    FOREIGN KEY (child_id) REFERENCES child(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS vacation_days (
+    id TEXT PRIMARY KEY,
+    personal_data_uuid TEXT NOT NULL,
+    workspace_id TEXT NOT NULL,
+    year INTEGER NOT NULL,
+    total_days INTEGER NOT NULL,
+    saved_days_in INTEGER NOT NULL DEFAULT 0,
+    created_at TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP NOT NULL,
+    UNIQUE(personal_data_uuid, year),
+    FOREIGN KEY (personal_data_uuid) REFERENCES personal_data(uuid) ON DELETE CASCADE,
+    FOREIGN KEY (workspace_id) REFERENCES workspace(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS planned_leave_day (
+    id TEXT PRIMARY KEY,
+    workspace_id TEXT NOT NULL,
+    child_id TEXT NOT NULL,
+    parent_personal_data_uuid TEXT NOT NULL,
+    date DATE NOT NULL,
+    day_type TEXT NOT NULL CHECK (day_type IN ('sjukpenning','lagsta','vacation')),
+    is_dubbeldag INTEGER NOT NULL DEFAULT 0,
+    created_at TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP NOT NULL,
+    UNIQUE(workspace_id, child_id, date, parent_personal_data_uuid),
+    FOREIGN KEY (workspace_id) REFERENCES workspace(id) ON DELETE CASCADE,
+    FOREIGN KEY (child_id) REFERENCES child(id) ON DELETE CASCADE,
+    FOREIGN KEY (parent_personal_data_uuid) REFERENCES personal_data(uuid) ON DELETE CASCADE
+);
+"""
+
+_DOWNGRADE_SQL = """
+DROP TABLE IF EXISTS planned_leave_day;
+DROP TABLE IF EXISTS vacation_days;
+DROP TABLE IF EXISTS parental_leave_fetch;
+DROP TABLE IF EXISTS break_period;
+DROP TABLE IF EXISTS child;
+DROP TABLE IF EXISTS workspace_invitation;
+DROP TABLE IF EXISTS "user";
+DROP TABLE IF EXISTS personal_data;
+DROP TABLE IF EXISTS workspace;
+"""
+
+
+def upgrade() -> None:
+    op.execute(_UPGRADE_SQL)
+
+
+def downgrade() -> None:
+    op.execute(_DOWNGRADE_SQL)