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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package transformer | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/samber/lo" | ||
|
|
||
| "github.com/rudderlabs/rudder-server/warehouse/transformer/internal/rules" | ||
| ) | ||
|
|
||
| func (t *transformer) handleAliasEvent(pi *processingInfo) ([]map[string]any, error) { | ||
| aliasEvent := make(map[string]any) | ||
| columnTypes := make(map[string]string) | ||
|
|
||
| if err := t.setDataAndColumnTypeFromInput(pi, pi.event.Message["traits"], aliasEvent, columnTypes, | ||
| "alias_traits_", 2, "", 0, | ||
| ); err != nil { | ||
| return nil, fmt.Errorf("setting data and column types from message: %w", err) | ||
| } | ||
| if err := t.setDataAndColumnTypeFromInput(pi, pi.event.Message["context"], aliasEvent, columnTypes, | ||
| "alias_context_", 2, "context_", 0, | ||
| ); err != nil { | ||
| return nil, fmt.Errorf("setting data and column types from message: %w", err) | ||
| } | ||
| if err := t.setDataAndColumnTypeFromRules(pi, aliasEvent, columnTypes, | ||
| lo.Assign(rules.DefaultRules, rules.AliasRules), rules.DefaultFunctionalRules, | ||
| ); err != nil { | ||
| return nil, fmt.Errorf("setting data and column types from rules: %w", err) | ||
| } | ||
| if err := storeRudderEvent(pi, aliasEvent, columnTypes); err != nil { | ||
| return nil, fmt.Errorf("storing rudder event: %w", err) | ||
| } | ||
|
|
||
| table, err := SafeTableName(pi.event.Metadata.DestinationType, pi.itrOpts, "aliases") | ||
| if err != nil { | ||
| return nil, fmt.Errorf("safe table name: %w", err) | ||
| } | ||
| columns, err := t.getColumns(pi.event.Metadata.DestinationType, aliasEvent, columnTypes) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("getting columns: %w", err) | ||
| } | ||
|
|
||
| mergeEvents, err := t.handleMergeEvent(pi) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("handling merge event: %w", err) | ||
| } | ||
|
|
||
| aliasOutput := map[string]any{ | ||
| "data": aliasEvent, | ||
| "metadata": map[string]any{ | ||
| "table": table, | ||
| "columns": columns, | ||
| "receivedAt": pi.event.Metadata.ReceivedAt, | ||
| }, | ||
| "userId": "", | ||
| } | ||
| return append([]map[string]any{aliasOutput}, mergeEvents...), nil | ||
| } |
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