feat: user query (#3075)

* user queries

* user query

* user query

* user tests

* remove old code

* user metadata

* cleanup

* fix merge

* cleanup

* cleanup

* fixes

internal/query/user_metadata.go

@@ -0,0 +1,210 @@
+package query
+
+import (
+	"context"
+	"database/sql"
+	errs "errors"
+	"time"
+
+	sq "github.com/Masterminds/squirrel"
+
+	"github.com/caos/zitadel/internal/errors"
+	"github.com/caos/zitadel/internal/query/projection"
+)
+
+type UserMetadataList struct {
+	SearchResponse
+	Metadata []*UserMetadata
+}
+
+type UserMetadata struct {
+	CreationDate  time.Time
+	ChangeDate    time.Time
+	ResourceOwner string
+	Sequence      uint64
+	Key           string
+	Value         []byte
+}
+
+type UserMetadataSearchQueries struct {
+	SearchRequest
+	Queries []SearchQuery
+}
+
+var (
+	userMetadataTable = table{
+		name: projection.UserMetadataProjectionTable,
+	}
+	UserMetadataUserIDCol = Column{
+		name:  projection.UserMetadataColumnUserID,
+		table: userMetadataTable,
+	}
+	UserMetadataCreationDateCol = Column{
+		name:  projection.UserMetadataColumnCreationDate,
+		table: userMetadataTable,
+	}
+	UserMetadataChangeDateCol = Column{
+		name:  projection.UserMetadataColumnChangeDate,
+		table: userMetadataTable,
+	}
+	UserMetadataResourceOwnerCol = Column{
+		name:  projection.UserMetadataColumnResourceOwner,
+		table: userMetadataTable,
+	}
+	UserMetadataSequenceCol = Column{
+		name:  projection.UserMetadataColumnSequence,
+		table: userMetadataTable,
+	}
+	UserMetadataKeyCol = Column{
+		name:  projection.UserMetadataColumnKey,
+		table: userMetadataTable,
+	}
+	UserMetadataValueCol = Column{
+		name:  projection.UserMetadataColumnValue,
+		table: userMetadataTable,
+	}
+)
+
+func (q *Queries) GetUserMetadataByKey(ctx context.Context, userID, key string, queries ...SearchQuery) (*UserMetadata, error) {
+	query, scan := prepareUserMetadataQuery()
+	for _, q := range queries {
+		query = q.toQuery(query)
+	}
+	stmt, args, err := query.Where(
+		sq.Eq{
+			UserMetadataUserIDCol.identifier(): userID,
+			UserMetadataKeyCol.identifier():    key,
+		}).ToSql()
+	if err != nil {
+		return nil, errors.ThrowInternal(err, "QUERY-aDGG2", "Errors.Query.SQLStatment")
+	}
+
+	row := q.client.QueryRowContext(ctx, stmt, args...)
+	return scan(row)
+}
+
+func (q *Queries) SearchUserMetadata(ctx context.Context, userID string, queries *UserMetadataSearchQueries) (*UserMetadataList, error) {
+	query, scan := prepareUserMetadataListQuery()
+	stmt, args, err := queries.toQuery(query).Where(
+		sq.Eq{
+			UserMetadataUserIDCol.identifier(): userID,
+		}).
+		ToSql()
+	if err != nil {
+		return nil, errors.ThrowInternal(err, "QUERY-Egbgd", "Errors.Query.SQLStatment")
+	}
+
+	rows, err := q.client.QueryContext(ctx, stmt, args...)
+	if err != nil {
+		return nil, errors.ThrowInternal(err, "QUERY-Hr2wf", "Errors.Internal")
+	}
+	metadata, err := scan(rows)
+	if err != nil {
+		return nil, err
+	}
+	metadata.LatestSequence, err = q.latestSequence(ctx, userTable)
+	return metadata, err
+}
+
+func (q *UserMetadataSearchQueries) toQuery(query sq.SelectBuilder) sq.SelectBuilder {
+	query = q.SearchRequest.toQuery(query)
+	for _, q := range q.Queries {
+		query = q.toQuery(query)
+	}
+	return query
+}
+
+func (r *UserMetadataSearchQueries) AppendMyResourceOwnerQuery(orgID string) error {
+	query, err := NewUserMetadataResourceOwnerSearchQuery(orgID)
+	if err != nil {
+		return err
+	}
+	r.Queries = append(r.Queries, query)
+	return nil
+}
+
+func NewUserMetadataResourceOwnerSearchQuery(value string) (SearchQuery, error) {
+	return NewTextQuery(UserMetadataResourceOwnerCol, value, TextEquals)
+}
+
+func NewUserMetadataKeySearchQuery(value string, comparison TextComparison) (SearchQuery, error) {
+	return NewTextQuery(UserMetadataKeyCol, value, comparison)
+}
+
+func prepareUserMetadataQuery() (sq.SelectBuilder, func(*sql.Row) (*UserMetadata, error)) {
+	return sq.Select(
+			UserMetadataCreationDateCol.identifier(),
+			UserMetadataChangeDateCol.identifier(),
+			UserMetadataResourceOwnerCol.identifier(),
+			UserMetadataSequenceCol.identifier(),
+			UserMetadataKeyCol.identifier(),
+			UserMetadataValueCol.identifier(),
+		).
+			From(userMetadataTable.identifier()).
+			PlaceholderFormat(sq.Dollar),
+		func(row *sql.Row) (*UserMetadata, error) {
+			m := new(UserMetadata)
+			err := row.Scan(
+				&m.CreationDate,
+				&m.ChangeDate,
+				&m.ResourceOwner,
+				&m.Sequence,
+				&m.Key,
+				&m.Value,
+			)
+
+			if err != nil {
+				if errs.Is(err, sql.ErrNoRows) {
+					return nil, errors.ThrowNotFound(err, "QUERY-Rgh32", "Errors.User.NotFound")
+				}
+				return nil, errors.ThrowInternal(err, "QUERY-Hhjt2", "Errors.Internal")
+			}
+			return m, nil
+		}
+}
+
+func prepareUserMetadataListQuery() (sq.SelectBuilder, func(*sql.Rows) (*UserMetadataList, error)) {
+	return sq.Select(
+			UserMetadataCreationDateCol.identifier(),
+			UserMetadataChangeDateCol.identifier(),
+			UserMetadataResourceOwnerCol.identifier(),
+			UserMetadataSequenceCol.identifier(),
+			UserMetadataKeyCol.identifier(),
+			UserMetadataValueCol.identifier(),
+			countColumn.identifier()).
+			From(userMetadataTable.identifier()).
+			LeftJoin(join(HumanUserIDCol, UserIDCol)).
+			PlaceholderFormat(sq.Dollar),
+		func(rows *sql.Rows) (*UserMetadataList, error) {
+			metadata := make([]*UserMetadata, 0)
+			var count uint64
+			for rows.Next() {
+				m := new(UserMetadata)
+				err := rows.Scan(
+					&m.CreationDate,
+					&m.ChangeDate,
+					&m.ResourceOwner,
+					&m.Sequence,
+					&m.Key,
+					&m.Value,
+					&count,
+				)
+				if err != nil {
+					return nil, err
+				}
+
+				metadata = append(metadata, m)
+			}
+
+			if err := rows.Close(); err != nil {
+				return nil, errors.ThrowInternal(err, "QUERY-sd3gh", "Errors.Query.CloseRows")
+			}
+
+			return &UserMetadataList{
+				Metadata: metadata,
+				SearchResponse: SearchResponse{
+					Count: count,
+				},
+			}, nil
+		}
+}