feat(backend): some member routes, half-broken avatar uploading

backend/db/member.go

@@ -0,0 +1,73 @@
+package db
+
+import (
+	"context"
+
+	"emperror.dev/errors"
+	"github.com/georgysavva/scany/pgxscan"
+	"github.com/jackc/pgx/v4"
+	"github.com/rs/xid"
+)
+
+type Member struct {
+	ID        xid.ID
+	UserID    xid.ID
+	Name      string
+	Bio       *string
+	AvatarURL *string
+	Links     []string
+}
+
+const ErrMemberNotFound = errors.Sentinel("member not found")
+
+func (db *DB) Member(ctx context.Context, id xid.ID) (m Member, err error) {
+	sql, args, err := sq.Select("*").From("members").Where("id = ?", id).ToSql()
+	if err != nil {
+		return m, errors.Wrap(err, "building sql")
+	}
+
+	err = pgxscan.Get(ctx, db, &m, sql, args...)
+	if err != nil {
+		if errors.Cause(err) == pgx.ErrNoRows {
+			return m, ErrMemberNotFound
+		}
+
+		return m, errors.Wrap(err, "retrieving member")
+	}
+	return m, nil
+}
+
+func (db *DB) UserMember(ctx context.Context, userID xid.ID, memberRef string) (m Member, err error) {
+	sql, args, err := sq.Select("*").From("members").
+		Where("user_id = ? and (id = ? or name = ?)", userID, memberRef, memberRef).ToSql()
+	if err != nil {
+		return m, errors.Wrap(err, "building sql")
+	}
+
+	err = pgxscan.Get(ctx, db, &m, sql, args...)
+	if err != nil {
+		if errors.Cause(err) == pgx.ErrNoRows {
+			return m, ErrMemberNotFound
+		}
+
+		return m, errors.Wrap(err, "retrieving member")
+	}
+	return m, nil
+}
+
+func (db *DB) UserMembers(ctx context.Context, userID xid.ID) (ms []Member, err error) {
+	sql, args, err := sq.Select("*").From("members").Where("user_id = ?", userID).ToSql()
+	if err != nil {
+		return nil, errors.Wrap(err, "building sql")
+	}
+
+	err = pgxscan.Select(ctx, db, &ms, sql, args...)
+	if err != nil {
+		return nil, errors.Wrap(err, "retrieving members")
+	}
+
+	if ms == nil {
+		ms = make([]Member, 0)
+	}
+	return ms, nil
+}