feat(boc): v1.0 - Complete Business Operations Center
- Go backend API with full CRUD for all modules - Rust analytics service with parallel processing - C runtime with POSIX shared memory IPC - PostgreSQL schema with 30+ tables - Redis cache, Kafka event streaming - WebSocket hub, automation engine - PDF generation, Resend email integration - JWT auth, multi-tenant - Docker Compose deployment - Nginx reverse proxy Refs: BOC-001
This commit is contained in:
Bernt (LandveX AI)
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package handlers
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import (
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"database/sql"
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"encoding/json"
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"net/http"
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"time"
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"github.com/go-chi/chi/v5"
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)
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type PayrollHandler struct {
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DB *sql.DB
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}
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func NewPayrollHandler(db *sql.DB) *PayrollHandler {
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return &PayrollHandler{DB: db}
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}
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type PayrollRun struct {
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ID string `json:"id"`
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PeriodStart time.Time `json:"period_start"`
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PeriodEnd time.Time `json:"period_end"`
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PayDate time.Time `json:"pay_date"`
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Status string `json:"status"`
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TotalGross float64 `json:"total_gross"`
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TotalTax float64 `json:"total_tax"`
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TotalNet float64 `json:"total_net"`
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TotalEmployerTax float64 `json:"total_employer_tax"`
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Currency string `json:"currency"`
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CreatedAt time.Time `json:"created_at"`
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}
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type PayrollLine struct {
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ID string `json:"id"`
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EmployeeID string `json:"employee_id"`
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EmployeeName string `json:"employee_name"`
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GrossSalary float64 `json:"gross_salary"`
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TaxDeduction float64 `json:"tax_deduction"`
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SocialFees float64 `json:"social_fees"`
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Pension float64 `json:"pension"`
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OtherDeductions float64 `json:"other_deductions"`
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NetSalary float64 `json:"net_salary"`
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HoursWorked float64 `json:"hours_worked"`
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VacationDaysUsed float64 `json:"vacation_days_used"`
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SickDays float64 `json:"sick_days"`
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}
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func (h *PayrollHandler) ListPayrollRuns(w http.ResponseWriter, r *http.Request) {
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rows, err := h.DB.Query(`
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SELECT id, period_start, period_end, pay_date, status, total_gross, total_tax, total_net, total_employer_tax, currency, created_at
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FROM boc_payroll_runs ORDER BY period_start DESC LIMIT 50
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`)
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if err != nil {
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writeError(w, http.StatusInternalServerError, "database error")
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return
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}
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defer rows.Close()
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runs := []PayrollRun{}
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for rows.Next() {
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var pr PayrollRun
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if err := rows.Scan(&pr.ID, &pr.PeriodStart, &pr.PeriodEnd, &pr.PayDate, &pr.Status, &pr.TotalGross, &pr.TotalTax, &pr.TotalNet, &pr.TotalEmployerTax, &pr.Currency, &pr.CreatedAt); err != nil {
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continue
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}
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runs = append(runs, pr)
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}
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writeJSON(w, http.StatusOK, map[string]interface{}{
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"payroll_runs": runs,
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"total": len(runs),
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})
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}
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func (h *PayrollHandler) CreatePayrollRun(w http.ResponseWriter, r *http.Request) {
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var req struct {
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PeriodStart time.Time `json:"period_start"`
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PeriodEnd time.Time `json:"period_end"`
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PayDate time.Time `json:"pay_date"`
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}
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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writeError(w, http.StatusBadRequest, "invalid request")
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return
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}
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var id string
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err := h.DB.QueryRow(`
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INSERT INTO boc_payroll_runs (period_start, period_end, pay_date, status)
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VALUES ($1, $2, $3, 'draft')
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RETURNING id
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`, req.PeriodStart, req.PeriodEnd, req.PayDate).Scan(&id)
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if err != nil {
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writeError(w, http.StatusInternalServerError, "failed to create payroll run")
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return
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}
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writeJSON(w, http.StatusCreated, map[string]interface{}{
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"id": id,
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"message": "Payroll run created",
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})
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}
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func (h *PayrollHandler) GetPayrollRun(w http.ResponseWriter, r *http.Request) {
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id := chi.URLParam(r, "id")
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var pr PayrollRun
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err := h.DB.QueryRow(`
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SELECT id, period_start, period_end, pay_date, status, total_gross, total_tax, total_net, total_employer_tax, currency, created_at
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FROM boc_payroll_runs WHERE id = $1
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`, id).Scan(&pr.ID, &pr.PeriodStart, &pr.PeriodEnd, &pr.PayDate, &pr.Status, &pr.TotalGross, &pr.TotalTax, &pr.TotalNet, &pr.TotalEmployerTax, &pr.Currency, &pr.CreatedAt)
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if err == sql.ErrNoRows {
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writeError(w, http.StatusNotFound, "payroll run not found")
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return
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}
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if err != nil {
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writeError(w, http.StatusInternalServerError, "database error")
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return
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}
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// Get lines
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rows, err := h.DB.Query(`
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SELECT pl.id, pl.employee_id, e.first_name || ' ' || e.last_name, pl.gross_salary, pl.tax_deduction, pl.social_fees, pl.pension, pl.other_deductions, pl.net_salary, pl.hours_worked, pl.vacation_days_used, pl.sick_days
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FROM boc_payroll_lines pl
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JOIN boc_employees e ON pl.employee_id = e.id
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WHERE pl.payroll_run_id = $1
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`, id)
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if err != nil {
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writeError(w, http.StatusInternalServerError, "database error")
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return
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}
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defer rows.Close()
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lines := []PayrollLine{}
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for rows.Next() {
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var l PayrollLine
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if err := rows.Scan(&l.ID, &l.EmployeeID, &l.EmployeeName, &l.GrossSalary, &l.TaxDeduction, &l.SocialFees, &l.Pension, &l.OtherDeductions, &l.NetSalary, &l.HoursWorked, &l.VacationDaysUsed, &l.SickDays); err != nil {
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continue
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}
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lines = append(lines, l)
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}
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writeJSON(w, http.StatusOK, map[string]interface{}{
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"payroll_run": pr,
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"lines": lines,
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})
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}
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func (h *PayrollHandler) ProcessPayroll(w http.ResponseWriter, r *http.Request) {
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id := chi.URLParam(r, "id")
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// Get all active employees
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rows, err := h.DB.Query(`
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SELECT id, salary, employment_type FROM boc_employees WHERE status = 'active'
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`)
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if err != nil {
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writeError(w, http.StatusInternalServerError, "database error")
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return
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}
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defer rows.Close()
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tx, err := h.DB.Begin()
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if err != nil {
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writeError(w, http.StatusInternalServerError, "transaction error")
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return
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}
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defer tx.Rollback()
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var totalGross, totalTax, totalNet, totalEmployerTax float64
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for rows.Next() {
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var empID string
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var salary float64
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var empType string
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if err := rows.Scan(&empID, &salary, &empType); err != nil {
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continue
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}
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// Simple Swedish tax calculation (placeholder)
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gross := salary
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tax := gross * 0.30 // 30% income tax
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socialFees := gross * 0.3142 // 31.42% employer tax
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pension := gross * 0.045 // 4.5% pension
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net := gross - tax - pension
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_, err = tx.Exec(`
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INSERT INTO boc_payroll_lines (payroll_run_id, employee_id, gross_salary, tax_deduction, social_fees, pension, other_deductions, net_salary, hours_worked)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8, 160)
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`, id, empID, gross, tax, socialFees, pension, 0, net)
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if err != nil {
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writeError(w, http.StatusInternalServerError, "failed to create payroll line")
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return
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}
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totalGross += gross
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totalTax += tax
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totalNet += net
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totalEmployerTax += socialFees
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}
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_, err = tx.Exec(`
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UPDATE boc_payroll_runs
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SET status = 'processing', total_gross = $1, total_tax = $2, total_net = $3, total_employer_tax = $4
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WHERE id = $5
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`, totalGross, totalTax, totalNet, totalEmployerTax, id)
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if err != nil {
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writeError(w, http.StatusInternalServerError, "failed to update payroll run")
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return
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}
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if err := tx.Commit(); err != nil {
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writeError(w, http.StatusInternalServerError, "commit failed")
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return
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}
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writeJSON(w, http.StatusOK, map[string]interface{}{
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"message": "Payroll processed",
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"summary": map[string]interface{}{
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"total_gross": totalGross,
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"total_tax": totalTax,
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"total_net": totalNet,
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"total_employer_tax": totalEmployerTax,
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},
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})
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}
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func (h *PayrollHandler) ApprovePayroll(w http.ResponseWriter, r *http.Request) {
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id := chi.URLParam(r, "id")
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_, err := h.DB.Exec(`
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UPDATE boc_payroll_runs SET status = 'approved' WHERE id = $1
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`, id)
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if err != nil {
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writeError(w, http.StatusInternalServerError, "failed to approve payroll")
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return
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}
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writeJSON(w, http.StatusOK, map[string]interface{}{
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"message": "Payroll approved",
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})
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}
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