feat/user-templates (#9)

feat: user templates

pkg/invoice/invoice.go

@@ -9,7 +9,7 @@ import (
 	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice/report"
 )
 
-func (s *Service) Generate(creditor model.Entity, deptor *model.Entity, rate float64, repos []Repo, config *Options) (document io.ReadCloser, r *report.Report, err error) {
+func (s *Service) Generate(creditor model.Entity, debtor *model.Entity, rate float64, repos []Repo, config *Options) (document io.ReadCloser, r report.Report, err error) {
 	if config == nil {
 		config = &DefaultOptions
 	}
@@ -27,20 +27,33 @@ func (s *Service) Generate(creditor model.Entity, deptor *model.Entity, rate flo
 			},
 		)
 		if err != nil {
-			return nil, nil, err
+			return nil, r, err
 		}
 
 		is = append(is, iss...)
 	}
 
-	is = filter(is, config.IssueFilter)
+	{
+		issueURLs := make([]string, 0, len(is))
+		for _, issue := range is {
+			issueURLs = append(issueURLs, issue.HTMLURL)
+		}
+		s.log.Debug("loaded all issues", "issueURLs", issueURLs)
+	}
+
+	is = s.filterIssues(is, config.IssueFilter)
+
 	issues := issue.FromGiteas(is, config.Mindur)
 	r = report.New(
 		issues,
 		creditor,
-		deptor,
+		debtor,
 		rate,
 	)
+
+	if len(config.CustomTemplate) > 1 {
+		r = r.WithTemplate(config.CustomTemplate)
+	}
 	html, err := r.ToHTML()
 	if err != nil {
 		return document, r, err
@@ -50,12 +63,14 @@ func (s *Service) Generate(creditor model.Entity, deptor *model.Entity, rate flo
 	return document, r, err
 }
 
-func filter[T any](slice []T, ok func(T) bool) []T {
-	out := make([]T, 0, len(slice))
+func (s *Service) filterIssues(slice []*gitea.Issue, ok func(*gitea.Issue) bool) []*gitea.Issue {
+	out := make([]*gitea.Issue, 0, len(slice))
 
-	for _, item := range slice {
-		if ok(item) {
-			out = append(out, item)
+	for _, issue := range slice {
+		if ok(issue) {
+			out = append(out, issue)
+		} else {
+			s.log.Debug("filter out issue", "issueURL", issue.HTMLURL)
 		}
 	}