Intro implementation of Groups SQL repository interface

Signed-off-by: Ethan Wellenreiter <ewellenreiter@gmail.com>

backend/internal/db/temp.txt

@@ -52,6 +52,7 @@ Table images {
   receiptid integer
   created_at timestamp
   path varchar
+  added bool
 }
 
 

backend/internal/storage/sql-groups.go

@@ -0,0 +1,37 @@
+package storage
+
+import (
+	"context"
+	"database/sql"
+)
+
+type SQLGroupsStore struct {
+	db *sql.DB
+}
+
+func (s *SQLGroupsStore) GetByID(ctx context.Context, id int64) (*Group, error) {
+	query := `SELECT id, name, owner FROM groups WHERE id = $1`
+
+	group := &Group{}
+	err := s.db.QueryRowContext(ctx, query, id).Scan(&group.ID, &group.Name, &group.Owner)
+	if err != nil {
+		return nil, err
+	}
+
+	return group, nil
+}
+
+func (s *SQLGroupsStore) GetUserGroups(ctx context.Context, userID int64) ([]*Group, error) {
+	// Implement logic to retrieve user's groups from the database
+}
+func (s *SQLGroupsStore) GetUsersInGroup(ctx context.Context, groupId int64) ([]*User, error) {
+	// Implement logic to retrieve users in a group from the database
+}
+
+func (s *SQLGroupsStore) Create(ctx context.Context, group *Group) error {
+	// Implement logic to create a new group in the database
+}
+
+func (s *SQLGroupsStore) Delete(ctx context.Context, id int64) error {
+	// Implement logic to delete a group from the database
+}