Parse CSV files into HTML tables

internal/git/output_parser.go

@@ -3,8 +3,11 @@ package git
 import (
 	"bufio"
 	"bytes"
+	"encoding/csv"
+	"fmt"
 	"io"
 	"regexp"
+	"strings"
 )
 
 type File struct {
@@ -16,6 +19,12 @@ type File struct {
 	IsDeleted   bool
 }
 
+type CsvFile struct {
+	File
+	Header []string
+	Rows   [][]string
+}
+
 type Commit struct {
 	Hash      string
 	Author    string
@@ -152,3 +161,27 @@ func parseLog(out io.Reader) []*Commit {
 
 	return commits
 }
+
+func ParseCsv(file *File) (*CsvFile, error) {
+
+	reader := csv.NewReader(strings.NewReader(file.Content))
+	records, err := reader.ReadAll()
+	if err != nil {
+		return nil, err
+	}
+
+	header := records[0]
+	numColumns := len(header)
+
+	for i := 1; i < len(records); i++ {
+		if len(records[i]) != numColumns {
+			return nil, fmt.Errorf("CSV file has invalid row at index %d", i)
+		}
+	}
+
+	return &CsvFile{
+		File:   *file,
+		Header: header,
+		Rows:   records[1:],
+	}, nil
+}

internal/web/run.go

@@ -11,6 +11,7 @@ import (
 	"io"
 	"net/http"
 	"opengist/internal/config"
+	"opengist/internal/git"
 	"opengist/internal/models"
 	"path/filepath"
 	"regexp"
@@ -77,6 +78,21 @@ func Start() {
 				"isMarkdown": func(i string) bool {
 					return ".md" == strings.ToLower(filepath.Ext(i))
 				},
+				"isCsv": func(i string) bool {
+					return ".csv" == strings.ToLower(filepath.Ext(i))
+				},
+				"csvFile": func(file *git.File) *git.CsvFile {
+					if ".csv" != strings.ToLower(filepath.Ext(file.Filename)) {
+						return nil
+					}
+
+					csvFile, err := git.ParseCsv(file)
+					if err != nil {
+						return nil
+					}
+
+					return csvFile
+				},
 				"httpStatusText": http.StatusText,
 				"loadedTime": func(startTime time.Time) string {
 					return fmt.Sprint(time.Since(startTime).Nanoseconds()/1e6) + "ms"