jschoubben
7278e509f4
Builds: design 47 G §196, §594, §614; lead answers A-5, A-15 Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
61 lines
2.0 KiB
Go
61 lines
2.0 KiB
Go
package main
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// claude-code's reading of which modules exist and of each placed module's manifest (design 47 G §196, §594, §614): the
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// catalog half, taken through meshcatalogclient's follower of the watched branches on the part's one views reader. A
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// module's manifest is the one its catalog graph entry carries whole (§443), never the indexer's state `modules` or
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// `manifests`.
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import (
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"fmt"
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"strings"
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"git.novox.be/novox/mesh-delivery/contracts/go/clients/meshcatalogclient"
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catalog "git.novox.be/novox/mesh-delivery/contracts/go/seats/meshcatalog"
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)
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// CatalogHalf is what this module reads of the catalog half.
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type CatalogHalf interface {
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// Entry is a module's entry at the trunk; an error while a watched branch has no first view yet, never "no module".
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Entry(module string) (catalog.CatalogEntry, bool, error)
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// Ready is nil once every watched branch has its first view (none-yet counting as one), else says what it waits for.
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Ready() error
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}
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// branchesHalf is the CatalogHalf over the follower of the watched branches.
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type branchesHalf struct{ b *meshcatalogclient.Branches }
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func (h branchesHalf) Ready() error {
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followed := h.b.Followed()
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if len(followed) == 0 {
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return fmt.Errorf("the catalog half names no watched branch yet (the seat mesh-catalog's registrations are asked until they answer)")
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}
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var waiting []string
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for _, branch := range followed {
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if c, ok := h.b.Catalog(branch); ok {
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select {
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case <-c.Ready():
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default:
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waiting = append(waiting, branch)
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}
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}
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}
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if len(waiting) > 0 {
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return fmt.Errorf("the catalog half has no first view of %s yet", strings.Join(waiting, ", "))
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}
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return nil
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}
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func (h branchesHalf) Entry(module string) (catalog.CatalogEntry, bool, error) {
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if err := h.Ready(); err != nil {
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return catalog.CatalogEntry{}, false, err
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}
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for _, branch := range h.b.Followed() { // the branch followed first names a module more than one hold
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if c, ok := h.b.Catalog(branch); ok {
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if e, ok := c.Entry(module); ok {
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return e, true, nil
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}
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}
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}
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return catalog.CatalogEntry{}, false, nil
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}
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