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employeereport_controller.go
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/
employeereport_controller.go
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package employeereport
import (
"context"
"fmt"
"net/http"
"strings"
"time"
pipeline "github.com/ccremer/go-command-pipeline"
"github.com/hashicorp/go-multierror"
"github.com/vshn/odootools/pkg/odoo"
"github.com/vshn/odootools/pkg/odoo/model"
"github.com/vshn/odootools/pkg/timesheet"
"github.com/vshn/odootools/pkg/web/controller"
"github.com/vshn/odootools/pkg/web/reportconfig"
)
type ReportController struct {
controller.BaseController
Input reportconfig.ReportRequest
employees odoo.List[model.Employee]
reports []*EmployeeReport
view *reportView
}
type EmployeeReport struct {
controller.BaseController
// Start is the first day of the month
Start time.Time
// Stop is the last day of the month
Stop time.Time
Employee model.Employee
Contracts model.ContractList
Attendances model.AttendanceList
Leaves odoo.List[model.Leave]
PreviousPayslip *model.Payslip
NextPayslip *model.Payslip
Result timesheet.Report
}
func NewEmployeeReportController(ctx *controller.BaseController) *ReportController {
return &ReportController{
BaseController: *ctx,
view: &reportView{},
}
}
// DisplayEmployeeReport GET /report/employees/:year/:month
func (c *ReportController) DisplayEmployeeReport() error {
root := pipeline.NewPipeline[context.Context]()
root.WithOptions(pipeline.Options{DisableErrorWrapping: true}).
WithSteps(
root.NewStep("parse user input", c.parseInput),
root.NewStep("fetch employees", c.fetchEmployees),
pipeline.NewWorkerPoolStep("generate reports for each employee", 4, c.createPipelinesForEachEmployee, c.collectReports),
root.NewStep("render report", c.renderReport),
)
err := root.RunWithContext(c.RequestContext)
return err
}
func (c *ReportController) createPipelinesForEachEmployee(ctx context.Context, pipelines chan *pipeline.Pipeline[context.Context]) {
defer close(pipelines)
c.reports = make([]*EmployeeReport, c.employees.Len())
for i, employee := range c.employees.Items {
select {
case <-ctx.Done():
return
default:
report := &EmployeeReport{
BaseController: c.BaseController,
Employee: employee,
Start: c.Input.GetFirstDayOfMonth(),
Stop: c.Input.GetLastDayOfMonth(),
}
c.reports[i] = report
pipe := report.createPipeline()
pipelines <- pipe
}
}
}
func (c *EmployeeReport) createPipeline() *pipeline.Pipeline[context.Context] {
p := pipeline.NewPipeline[context.Context]()
p.AddStep(p.WithNestedSteps(fmt.Sprintf("report for %q", c.Employee.Name), nil,
p.NewStep("fetch contracts", c.fetchContracts),
p.NewStep("fetch attendances", c.fetchAttendances),
p.NewStep("fetch leaves", c.fetchLeaves),
p.NewStep("fetch last issued payslip", c.fetchPreviousPayslip),
p.NewStep("fetch current month's payslip", c.fetchNextPayslip),
p.NewStep("calculate monthly report", c.calculateMonthlyReport).WithErrorHandler(c.ignoreNoContractFound),
))
return p
}
func (c *ReportController) collectReports(_ context.Context, results map[uint64]error) error {
var combined error
for _, err := range results {
if err != nil {
combined = multierror.Append(combined, err)
}
}
return combined
}
func (c *ReportController) parseInput(_ context.Context) error {
input := reportconfig.ReportRequest{}
err := input.FromRequest(c.Echo)
c.Input = input
return err
}
func (c *ReportController) fetchEmployees(ctx context.Context) error {
list := odoo.List[model.Employee]{}
err := c.OdooSession.SearchGenericModel(ctx, odoo.SearchReadModel{
Model: "hr.employee",
Domain: []odoo.Filter{
[]string{"work_email", "ilike", "@vshn.ch"},
},
Fields: []string{"name"},
}, &list)
c.employees = list
return err
}
func (c *ReportController) renderReport(_ context.Context) error {
successfulReports := make([]*EmployeeReport, 0)
failedReports := make([]*model.Employee, 0)
for _, report := range c.reports {
if report.Result.DailySummaries != nil {
successfulReports = append(successfulReports, report)
} else {
failedReports = append(failedReports, report.Result.Employee)
}
}
c.view.year, c.view.month = c.Input.Year, c.Input.Month
return c.Echo.Render(http.StatusOK, employeeReportTemplateName, c.view.GetValuesForReports(successfulReports, failedReports))
}
func (c *EmployeeReport) fetchContracts(ctx context.Context) error {
contracts, err := c.OdooClient.FetchAllContractsOfEmployee(ctx, c.Employee.ID)
c.Contracts = contracts
return err
}
func (c *EmployeeReport) fetchAttendances(ctx context.Context) error {
// extend date range for timezone correction
start := c.Start.AddDate(0, 0, -1)
stop := c.Start.AddDate(0, 1, 0)
attendances, err := c.OdooClient.FetchAttendancesBetweenDates(ctx, c.Employee.ID, start, stop)
c.Attendances = attendances
return err
}
func (c *EmployeeReport) fetchLeaves(ctx context.Context) error {
// extend date range for timezone correction
start := c.Start.AddDate(0, 0, -1)
stop := c.Start.AddDate(0, 1, 0)
leaves, err := c.OdooClient.FetchLeavesBetweenDates(ctx, c.Employee.ID, start, stop)
c.Leaves = leaves
return err
}
func (c *EmployeeReport) calculateMonthlyReport(_ context.Context) error {
reporter := timesheet.NewReporter(c.Attendances, c.Leaves, &c.Employee, c.Contracts).
SetRange(c.Start, c.Stop.AddDate(0, 0, 1)).
SetTimeZone("Europe/Zurich") // hardcoded for now
report, err := reporter.CalculateReport()
c.Result = report
return err
}
func (c *EmployeeReport) fetchPreviousPayslip(ctx context.Context) error {
// TODO: verify timestamp
firstDayOfLastMonth := c.Start.AddDate(0, -1, 0)
payslip, err := c.OdooClient.FetchPayslipInMonth(ctx, c.Employee.ID, firstDayOfLastMonth)
c.PreviousPayslip = payslip
return err
}
func (c *EmployeeReport) fetchNextPayslip(ctx context.Context) error {
thisMonth := c.Start
payslip, err := c.OdooClient.FetchPayslipInMonth(ctx, c.Employee.ID, thisMonth)
c.NextPayslip = payslip
return err
}
func (c *EmployeeReport) ignoreNoContractFound(_ context.Context, err error) error {
if strings.Contains(err.Error(), "no contract found that covers date") {
return nil
}
return err
}