fix gitignore and add missing files

.gitignore

@@ -3,5 +3,5 @@ tmp/
 .vscode/
 
 # development
-report
-templates
+reports/
+templates/

pkg/report/default.go

@@ -0,0 +1,47 @@
+package report
+
+import (
+	"bytes"
+	"text/template"
+
+	"github.com/pPrecel/PKUP/internal/file"
+)
+
+const (
+	defaultTemplate = `period:
+{{.PeriodFrom}} - {{.PeriodTill}}
+
+approvalDate:
+{{.ApprovalDate}}
+
+result:
+{{range .Result}}
+- {{ . -}}
+{{end}}
+`
+)
+
+type defaultRenderer struct {
+	template string
+}
+
+func newDefault() *defaultRenderer {
+	return &defaultRenderer{
+		template: defaultTemplate,
+	}
+}
+
+func (dr *defaultRenderer) RenderToFile(dir, filename string, values Values) error {
+	tmpl, err := template.New(filename).Parse(dr.template)
+	if err != nil {
+		return err
+	}
+
+	buf := bytes.NewBuffer(nil)
+	err = tmpl.Execute(buf, values)
+	if err != nil {
+		return err
+	}
+
+	return file.Create(dir, filename, buf.String())
+}

pkg/report/report.go

@@ -0,0 +1,67 @@
+package report
+
+import (
+	"fmt"
+	"path/filepath"
+	"time"
+
+	gh "github.com/google/go-github/v53/github"
+	"github.com/pPrecel/PKUP/internal/file"
+)
+
+const (
+	periodFormat = "02.01.2006"
+)
+
+type Result struct {
+	Org          string
+	Repo         string
+	PullRequests []*gh.PullRequest
+}
+
+type Options struct {
+	OutputDir    string
+	TemplatePath string
+	PeriodFrom   time.Time
+	PeriodTill   time.Time
+	Results      []Result
+}
+
+func Render(opts Options) error {
+	values := Values{
+		PeriodFrom:   opts.PeriodFrom.Format(periodFormat),
+		PeriodTill:   opts.PeriodTill.Format(periodFormat),
+		ApprovalDate: opts.PeriodTill.Add(time.Hour * 24).Format(periodFormat),
+		Result:       buildreportResult(opts),
+	}
+
+	if opts.TemplatePath != "" {
+		return newFromTemplate(opts.TemplatePath).RenderToFile(
+			opts.OutputDir,
+			filepath.Base(opts.TemplatePath),
+			values,
+		)
+	}
+
+	return newDefault().RenderToFile(
+		opts.OutputDir,
+		"report.txt",
+		values,
+	)
+}
+
+func buildreportResult(opts Options) []string {
+	results := []string{}
+	for _, result := range opts.Results {
+		for i := range result.PullRequests {
+			org := result.Org
+			repo := result.Repo
+			pr := result.PullRequests[i]
+			results = append(
+				results,
+				fmt.Sprintf("%s (%s)", pr.GetTitle(), file.BuildDiffFilename(pr, org, repo)),
+			)
+		}
+	}
+	return results
+}

pkg/report/template.go

@@ -0,0 +1,52 @@
+package report
+
+import (
+	"fmt"
+	"path"
+
+	"github.com/nguyenthenguyen/docx"
+)
+
+const (
+	DocxPeriodFromTmpl   = "pkupGenPeriodFrom"
+	DocxPeriodTillTmpl   = "pkupGenPeriodTill"
+	DocxApprovalDateTmpl = "pkupGenApprovalDate"
+	DocxResultsTmpl      = "pkupGenResults"
+)
+
+type Values struct {
+	PeriodFrom   string
+	PeriodTill   string
+	ApprovalDate string
+	Result       []string
+}
+
+type templateRenderer struct {
+	tmplPath string
+}
+
+func newFromTemplate(path string) *templateRenderer {
+	return &templateRenderer{
+		tmplPath: path,
+	}
+}
+
+func (tr *templateRenderer) RenderToFile(dir, filename string, values Values) error {
+	r, err := docx.ReadDocxFile(tr.tmplPath)
+	if err != nil {
+		return fmt.Errorf("failed to load docx template: %s", err.Error())
+	}
+
+	resultString := ""
+	for i := range values.Result {
+		resultString += fmt.Sprintf("- %s\n", values.Result[i])
+	}
+
+	docx1 := r.Editable()
+	docx1.Replace(DocxPeriodFromTmpl, values.PeriodFrom, -1)
+	docx1.Replace(DocxPeriodTillTmpl, values.PeriodTill, -1)
+	docx1.Replace(DocxApprovalDateTmpl, values.ApprovalDate, -1)
+	docx1.Replace(DocxResultsTmpl, resultString, -1)
+
+	return docx1.WriteToFile(path.Join(dir, filename))
+}