Adding page to create votes and view the votes, rearanging some methods

server/services/members.go

@@ -5,9 +5,14 @@ import (
 	"fmt"
 	"log"
 	"strings"
+	"net/http"
+	"strconv"
+	"io/ioutil"
+	"encoding/json"
 
 	"github.com/pkg/errors"
 
+	"go-sjles-pta-vote/server/common"
 	"go-sjles-pta-vote/server/db"
 )
 
@@ -18,6 +23,80 @@ type Member struct {
 
 const BATCH_SIZE = 100
 
+func AdminMembersHandler(resWriter http.ResponseWriter, request *http.Request) {
+	if request.Method != http.MethodPost {
+		resWriter.WriteHeader(http.StatusMethodNotAllowed)
+		return
+	}
+
+	var year int
+	var err error
+
+	if err = request.ParseMultipartForm(10 << 20); err != nil {
+		common.SendError(resWriter, "Failed to parse multipart form", http.StatusBadRequest)
+		return
+	}
+
+	year_from_form := request.FormValue("year")
+	if year_from_form == "" {
+		common.SendError(resWriter, "Year is required", http.StatusBadRequest)
+		return
+	} else {
+		year, err = strconv.Atoi(year_from_form)
+		if err != nil {
+			common.SendError(resWriter, "Invalid year", http.StatusBadRequest)
+			return
+		}
+	}
+
+	file, _, err := request.FormFile("members.csv")
+	if err != nil {
+		common.SendError(resWriter, "Failed to read members.csv file", http.StatusBadRequest)
+		return
+	}
+	defer file.Close()
+
+	fileBytes, err := ioutil.ReadAll(file)
+	if err != nil {
+		common.SendError(resWriter, "Failed to read members.csv file", http.StatusInternalServerError)
+		return
+	}
+
+	if err = ParseMembersFromBytes(year, fileBytes); err != nil {
+		common.SendError(resWriter, "Failed to parse members from CSV", http.StatusBadRequest)
+		return
+	}
+
+	resWriter.WriteHeader(http.StatusOK)
+	json.NewEncoder(resWriter).Encode(map[string]bool{"success": true})
+}
+
+func AdminMembersView(resWriter http.ResponseWriter, request *http.Request) {
+	yearStr := request.URL.Query().Get("year")
+	if yearStr == "" {
+		common.SendError(resWriter, "Year is required", http.StatusBadRequest)
+		return
+	}
+
+	year, err := strconv.Atoi(yearStr)
+	if err != nil {
+		common.SendError(resWriter, "Invalid year", http.StatusBadRequest)
+		return
+	}
+
+	members, err := GetMembersByYear(year)
+	if err != nil {
+		common.SendError(resWriter, "Failed to get members", http.StatusInternalServerError)
+		return
+	}
+
+	resWriter.WriteHeader(http.StatusOK)
+	json.NewEncoder(resWriter).Encode(map[string]interface{}{
+		"success": true,
+		"members": members,
+	})
+}
+
 func ParseMembersFromBytes(year int, fileBytes []byte) error {
 	reader := csv.NewReader(strings.NewReader(string(fileBytes)))
 	reader.FieldsPerRecord = -1 // Allow variable number of fields per record