backend/db/db.go

@@ -30,14 +30,13 @@ func InitDB(connString string) error {
 	return nil
 }
 
-func transaction(handler func(context.Context, pgx.Tx) (statusCode int, err error)) (statusCode int, err error) {
-	ctx := context.Background()
+func transaction(ctx context.Context, handler func(pgx.Tx) (statusCode int, err error)) (statusCode int, err error) {
 	tx, err := connPool.Begin(ctx)
 	if err != nil {
 		statusCode = http.StatusInternalServerError
 		return
 	}
-	statusCode, err = handler(ctx, tx)
+	statusCode, err = handler(tx)
 	if err != nil {
 		tx.Rollback(ctx)
 		return

backend/db/utils.go

@@ -1,53 +0,0 @@
-package db
-
-import (
-	"fmt"
-	"net/http"
-	"strconv"
-	"strings"
-)
-
-// Convert "filter" URL param to SQL "WHERE" condition
-func filterToSQL(filter string) (sql string, statusCode int, err error) {
-	// filterTokens := strings.Split(string(filter), ";")
-	sql = "(true)"
-	return
-}
-
-// Convert "sort" URL param to SQL "ORDER BY"
-func sortToSQL(sort string) (sql string, statusCode int, err error) {
-	if sort == "" {
-		return
-	}
-	sortOptions := strings.Split(sort, ",")
-	sql = " ORDER BY "
-	for i, sortOption := range sortOptions {
-		sortOrder := sortOption[:1]
-		sortColumn := sortOption[1:]
-		// parse sorting order marker
-		switch sortOrder {
-		case "+":
-			sortOrder = "ASC"
-		case "-":
-			sortOrder = "DESC"
-		default:
-			err = fmt.Errorf("invalid sorting order mark: %q", sortOrder)
-			statusCode = http.StatusBadRequest
-			return
-		}
-		// validate sorting column
-		var n int
-		n, err = strconv.Atoi(sortColumn)
-		if err != nil || n < 0 {
-			err = fmt.Errorf("invalid sorting column: %q", sortColumn)
-			statusCode = http.StatusBadRequest
-			return
-		}
-		// add sorting option to query
-		if i > 0 {
-			sql += ","
-		}
-		sql += fmt.Sprintf("%s %s NULLS LAST", sortColumn, sortOrder)
-	}
-	return
-}

backend/models/models.go

@@ -1,10 +1,6 @@
 package models
 
-import (
-	"time"
-
-	"github.com/jackc/pgx/v5/pgtype"
-)
+import "time"
 
 type User struct {
 	Name    string `json:"name"`
@@ -17,28 +13,28 @@ type MIME struct {
 }
 
 type Category struct {
-	ID        string      `json:"id"`
-	Name      string      `json:"name"`
-	Color     pgtype.Text `json:"color"`
-	CreatedAt time.Time   `json:"created_at"`
-	Creator   User        `json:"creator"`
+	ID        string    `json:"id"`
+	Name      string    `json:"name"`
+	Color     string    `json:"color"`
+	CreatedAt time.Time `json:"created_at"`
+	Creator   User      `json:"creator"`
 }
 
 type File struct {
-	ID        string      `json:"id"`
-	Name      pgtype.Text `json:"name"`
-	MIME      MIME        `json:"mime"`
-	CreatedAt time.Time   `json:"created_at"`
-	Creator   User        `json:"creator"`
+	ID        string    `json:"id"`
+	Name      string    `json:"name"`
+	MIME      MIME      `json:"mime"`
+	CreatedAt time.Time `json:"created_at"`
+	Creator   User      `json:"creator"`
 }
 
 type Tag struct {
-	ID        string      `json:"id"`
-	Name      string      `json:"name"`
-	Color     pgtype.Text `json:"color"`
-	Category  Category    `json:"category"`
-	CreatedAt time.Time   `json:"created_at"`
-	Creator   User        `json:"creator"`
+	ID        string    `json:"id"`
+	Name      string    `json:"name"`
+	Color     string    `json:"color"`
+	Category  Category  `json:"category"`
+	CreatedAt time.Time `json:"created_at"`
+	Creator   User      `json:"creator"`
 }
 
 type Autotag struct {