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f680dd934d
* chore: rename package errors to zerrors * rename package errors to gerrors * fix error related linting issues * fix zitadel error assertion * fix gosimple linting issues * fix deprecated linting issues * resolve gci linting issues * fix import structure --------- Co-authored-by: Elio Bischof <elio@zitadel.com>
80 lines
2.5 KiB
Go
80 lines
2.5 KiB
Go
package preparation
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import (
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"context"
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"github.com/zitadel/zitadel/internal/eventstore"
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"github.com/zitadel/zitadel/internal/zerrors"
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)
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// Validation of the input values of the command and if correct returns
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// the function to create commands or if not valid an error
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type Validation func() (CreateCommands, error)
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// CreateCommands builds the commands
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// the filter param is an extended version of the eventstore filter method
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// it filters for events including the commands on the current context
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type CreateCommands func(context.Context, FilterToQueryReducer) ([]eventstore.Command, error)
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// FilterToQueryReducer is an abstraction of the eventstore method
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type FilterToQueryReducer func(ctx context.Context, queryFactory *eventstore.SearchQueryBuilder) ([]eventstore.Event, error)
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var (
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//ErrNotExecutable is thrown if no command creator was created
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ErrNotExecutable = zerrors.ThrowInvalidArgument(nil, "PREPA-pH70n", "Errors.Internal")
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)
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// PrepareCommands checks the passed validations and if ok creates the commands
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//
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// Deprecated: filter causes unneeded allocation. Use [eventstore.FilterToQueryReducer] instead.
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func PrepareCommands(ctx context.Context, filter FilterToQueryReducer, validations ...Validation) (cmds []eventstore.Command, err error) {
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commanders, err := validate(validations)
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if err != nil {
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return nil, err
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}
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return create(ctx, filter, commanders)
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}
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func validate(validations []Validation) ([]CreateCommands, error) {
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creators := make([]CreateCommands, 0, len(validations))
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for _, validate := range validations {
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cmds, err := validate()
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if err != nil {
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return nil, err
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}
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creators = append(creators, cmds)
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}
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if len(creators) == 0 {
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return nil, ErrNotExecutable
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}
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return creators, nil
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}
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func create(ctx context.Context, filter FilterToQueryReducer, commanders []CreateCommands) (cmds []eventstore.Command, err error) {
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for _, command := range commanders {
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cmd, err := command(ctx, transactionFilter(filter, cmds))
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if err != nil {
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return nil, err
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}
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cmds = append(cmds, cmd...)
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}
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return cmds, nil
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}
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func transactionFilter(filter FilterToQueryReducer, commands []eventstore.Command) FilterToQueryReducer {
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return func(ctx context.Context, query *eventstore.SearchQueryBuilder) ([]eventstore.Event, error) {
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events, err := filter(ctx, query)
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if err != nil {
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return nil, err
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}
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matches := query.Matches(commands...)
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for _, command := range matches {
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events = append(events, command.(eventstore.Event))
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}
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return events, nil
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}
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}
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