updated employee and shift structure

2026-01-21 18:39:41 +01:00 · 2025-10-11 14:33:50 +02:00
parent eb49c58b2d
commit 5262b999aa
22 changed files with 1252 additions and 607 deletions
--- a/backend/src/database/schema.sql
+++ b/backend/src/database/schema.sql
@@ -1,83 +1,118 @@
-- Tabelle für Benutzer
-CREATE TABLE IF NOT EXISTS users (
+-- Employees table
+CREATE TABLE IF NOT EXISTS employees (
  id TEXT PRIMARY KEY,
  email TEXT UNIQUE NOT NULL,
  password TEXT NOT NULL,
  name TEXT NOT NULL,
-  role TEXT CHECK(role IN ('admin', 'user', 'instandhalter')) NOT NULL,
-  employee_type TEXT CHECK(employee_type IN ('chef', 'neuling', 'erfahren')),
-  is_sufficiently_independent BOOLEAN DEFAULT FALSE,
+  role TEXT CHECK(role IN ('admin', 'user', 'maintenance')) NOT NULL,
+  employee_type TEXT CHECK(employee_type IN ('manager', 'trainee', 'experienced')) NOT NULL,
+  contract_type TEXT CHECK(contract_type IN ('small', 'large')) NOT NULL,
+  can_work_alone BOOLEAN DEFAULT FALSE,
  is_active BOOLEAN DEFAULT TRUE,
  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
  last_login TEXT DEFAULT NULL
 );

-- Tabelle für Schichtvorlagen
-CREATE TABLE IF NOT EXISTS shift_templates (
-  id TEXT PRIMARY KEY,
-  name TEXT NOT NULL,
-  description TEXT,
-  is_default BOOLEAN DEFAULT FALSE,
-  created_by TEXT NOT NULL,
-  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-  FOREIGN KEY (created_by) REFERENCES users(id)
-);
-
-- Tabelle für die Schichten in den Vorlagen
-CREATE TABLE IF NOT EXISTS template_shifts (
-  id TEXT PRIMARY KEY,
-  template_id TEXT NOT NULL,
-  time_slot_id TEXT NOT NULL,
-  day_of_week INTEGER NOT NULL CHECK (day_of_week >= 1 AND day_of_week <= 7),
-  required_employees INTEGER DEFAULT 1,
-  color TEXT DEFAULT '#3498db',
-  FOREIGN KEY (template_id) REFERENCES shift_templates(id) ON DELETE CASCADE,
-  FOREIGN KEY (time_slot_id) REFERENCES template_time_slots(id) ON DELETE CASCADE
-);
-
-- Tabelle für Zeitbereiche in den Vorlagen
-CREATE TABLE IF NOT EXISTS template_time_slots (
-  id TEXT PRIMARY KEY,
-  template_id TEXT NOT NULL,
-  name TEXT NOT NULL,
-  start_time TEXT NOT NULL,
-  end_time TEXT NOT NULL,
-  FOREIGN KEY (template_id) REFERENCES shift_templates(id) ON DELETE CASCADE
-);
-
-- Zusätzliche Tabellen für shift_plans
+-- Shift plans table
 CREATE TABLE IF NOT EXISTS shift_plans (
  id TEXT PRIMARY KEY,
  name TEXT NOT NULL,
-  start_date TEXT NOT NULL,
-  end_date TEXT NOT NULL,
-  template_id TEXT,
-  status TEXT CHECK(status IN ('draft', 'published')) DEFAULT 'draft',
+  description TEXT,
+  start_date TEXT,
+  end_date TEXT,
+  is_template BOOLEAN DEFAULT FALSE,
+  status TEXT CHECK(status IN ('draft', 'published', 'archived', 'template')) DEFAULT 'draft',
  created_by TEXT NOT NULL,
  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-  FOREIGN KEY (created_by) REFERENCES users(id),
-  FOREIGN KEY (template_id) REFERENCES shift_templates(id)
+  FOREIGN KEY (created_by) REFERENCES employees(id)
 );

-CREATE TABLE IF NOT EXISTS assigned_shifts (
+-- Time slots within plans
+CREATE TABLE IF NOT EXISTS time_slots (
  id TEXT PRIMARY KEY,
+  plan_id TEXT NOT NULL,
  name TEXT NOT NULL,
-  shift_plan_id TEXT NOT NULL,
-  date TEXT NOT NULL,
  start_time TEXT NOT NULL,
  end_time TEXT NOT NULL,
-  required_employees INTEGER DEFAULT 1,
-  assigned_employees TEXT DEFAULT '[]', -- JSON array of user IDs
-  FOREIGN KEY (shift_plan_id) REFERENCES shift_plans(id) ON DELETE CASCADE
+  description TEXT,
+  FOREIGN KEY (plan_id) REFERENCES shift_plans(id) ON DELETE CASCADE
 );

-- Zusätzliche Tabelle für Mitarbeiter-Verfügbarkeiten
-CREATE TABLE IF NOT EXISTS employee_availabilities (
+-- Shifts table (defines shifts for each day of week in the plan)
+CREATE TABLE IF NOT EXISTS shifts (
+  id TEXT PRIMARY KEY,
+  plan_id TEXT NOT NULL,
+  time_slot_id TEXT NOT NULL,
+  day_of_week INTEGER NOT NULL CHECK (day_of_week >= 1 AND day_of_week <= 7),
+  required_employees INTEGER NOT NULL CHECK (required_employees >= 1 AND required_employees <= 10) DEFAULT 2,
+  color TEXT DEFAULT '#3498db',
+  FOREIGN KEY (plan_id) REFERENCES shift_plans(id) ON DELETE CASCADE,
+  FOREIGN KEY (time_slot_id) REFERENCES time_slots(id) ON DELETE CASCADE,
+  UNIQUE(plan_id, time_slot_id, day_of_week)
+);
+
+-- Actual scheduled shifts (generated from plan + date range)
+CREATE TABLE IF NOT EXISTS scheduled_shifts (
+  id TEXT PRIMARY KEY,
+  plan_id TEXT NOT NULL,
+  date TEXT NOT NULL,
+  time_slot_id TEXT NOT NULL,
+  required_employees INTEGER NOT NULL CHECK (required_employees >= 1 AND required_employees <= 10) DEFAULT 2,
+  assigned_employees TEXT DEFAULT '[]', -- JSON array of employee IDs
+  FOREIGN KEY (plan_id) REFERENCES shift_plans(id) ON DELETE CASCADE,
+  FOREIGN KEY (time_slot_id) REFERENCES time_slots(id),
+  UNIQUE(plan_id, date, time_slot_id)
+);
+
+-- Employee assignments to specific shifts
+CREATE TABLE IF NOT EXISTS shift_assignments (
+  id TEXT PRIMARY KEY,
+  scheduled_shift_id TEXT NOT NULL,
+  employee_id TEXT NOT NULL,
+  assignment_status TEXT CHECK(assignment_status IN ('assigned', 'cancelled')) DEFAULT 'assigned',
+  assigned_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+  assigned_by TEXT NOT NULL,
+  FOREIGN KEY (scheduled_shift_id) REFERENCES scheduled_shifts(id) ON DELETE CASCADE,
+  FOREIGN KEY (employee_id) REFERENCES employees(id),
+  FOREIGN KEY (assigned_by) REFERENCES employees(id),
+  UNIQUE(scheduled_shift_id, employee_id)
+);
+
+-- Employee availability preferences for specific shift plans
+CREATE TABLE IF NOT EXISTS employee_availability (
  id TEXT PRIMARY KEY,
  employee_id TEXT NOT NULL,
-  day_of_week INTEGER NOT NULL CHECK (day_of_week >= 0 AND day_of_week <= 6),
-  start_time TEXT NOT NULL,
-  end_time TEXT NOT NULL,
-  is_available BOOLEAN DEFAULT FALSE,
-  FOREIGN KEY (employee_id) REFERENCES users(id) ON DELETE CASCADE
+  plan_id TEXT NOT NULL,
+  day_of_week INTEGER NOT NULL CHECK (day_of_week >= 1 AND day_of_week <= 7),
+  time_slot_id TEXT NOT NULL,
+  preference_level INTEGER CHECK(preference_level IN (1, 2, 3)) NOT NULL,
+  notes TEXT,
+  FOREIGN KEY (employee_id) REFERENCES employees(id) ON DELETE CASCADE,
+  FOREIGN KEY (plan_id) REFERENCES shift_plans(id) ON DELETE CASCADE,
+  FOREIGN KEY (time_slot_id) REFERENCES time_slots(id),
+  UNIQUE(employee_id, plan_id, day_of_week, time_slot_id)
 );
+
+-- Performance indexes
+CREATE INDEX IF NOT EXISTS idx_employees_role_active ON employees(role, is_active);
+CREATE INDEX IF NOT EXISTS idx_employees_email_active ON employees(email, is_active);
+CREATE INDEX IF NOT EXISTS idx_employees_type_active ON employees(employee_type, is_active);
+
+CREATE INDEX IF NOT EXISTS idx_shift_plans_status_date ON shift_plans(status, start_date, end_date);
+CREATE INDEX IF NOT EXISTS idx_shift_plans_created_by ON shift_plans(created_by);
+CREATE INDEX IF NOT EXISTS idx_shift_plans_template ON shift_plans(is_template, status);
+
+CREATE INDEX IF NOT EXISTS idx_time_slots_plan ON time_slots(plan_id);
+
+CREATE INDEX IF NOT EXISTS idx_shifts_plan_day ON shifts(plan_id, day_of_week);
+CREATE INDEX IF NOT EXISTS idx_shifts_required_employees ON shifts(required_employees);
+CREATE INDEX IF NOT EXISTS idx_shifts_plan_time ON shifts(plan_id, time_slot_id, day_of_week);
+
+CREATE INDEX IF NOT EXISTS idx_scheduled_shifts_plan_date ON scheduled_shifts(plan_id, date);
+CREATE INDEX IF NOT EXISTS idx_scheduled_shifts_date_time ON scheduled_shifts(date, time_slot_id);
+CREATE INDEX IF NOT EXISTS idx_scheduled_shifts_required_employees ON scheduled_shifts(required_employees);
+
+CREATE INDEX IF NOT EXISTS idx_shift_assignments_employee ON shift_assignments(employee_id);
+CREATE INDEX IF NOT EXISTS idx_shift_assignments_shift ON shift_assignments(scheduled_shift_id);
+
+CREATE INDEX IF NOT EXISTS idx_employee_availability_employee_plan ON employee_availability(employee_id, plan_id);