| 1 | package daemon |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "database/sql" |
| 6 | "encoding/json" |
| 7 | |
| 8 | "github.com/FelineStateMachine/tinyrelay/internal/community" |
| 9 | "github.com/FelineStateMachine/tinyrelay/internal/event" |
| 10 | gitrelay "github.com/FelineStateMachine/tinyrelay/tinygit" |
| 11 | "github.com/FelineStateMachine/tinyrelay/internal/policy" |
| 12 | "github.com/FelineStateMachine/tinyrelay/internal/replication" |
| 13 | "github.com/FelineStateMachine/tinyrelay/internal/sites" |
| 14 | "github.com/FelineStateMachine/tinyrelay/internal/storage" |
| 15 | ) |
| 16 | |
| 17 | // eventCommitter prepares the projections common to client publication and |
| 18 | // replication. Admission and client-only protocol actions remain with their |
| 19 | // entry points; every projection here participates in the event transaction. |
| 20 | type eventCommitter struct { |
| 21 | policy policy.Policy |
| 22 | community *community.Service |
| 23 | sites *sites.Service |
| 24 | git *gitrelay.GitRelay |
| 25 | } |
| 26 | |
| 27 | type eventCommitPlan struct { |
| 28 | options storage.SaveOptions |
| 29 | repository gitrelay.Repository |
| 30 | gitMetadata bool |
| 31 | followups *storage.Intent |
| 32 | } |
| 33 | |
| 34 | func (c eventCommitter) prepare(ctx context.Context, e event.Event, origin replication.Origin, now int64) (eventCommitPlan, error) { |
| 35 | plan := eventCommitPlan{options: storage.SaveOptions{Now: now}} |
| 36 | if c.sites != nil { |
| 37 | plan.options = c.sites.SaveOptions(e, now) |
| 38 | } |
| 39 | plan.options.SearchMode = c.policy.Features.Search |
| 40 | if e.Kind == 30023 { |
| 41 | plan.options.Intents = append(plan.options.Intents, storage.Intent{Kind: "view-publish" , EventID: e.ID, Target: "articles" , Payload: "{}" }) |
| 42 | } |
| 43 | if e.Kind == event.KIND_AGENT_GRANT || e.Kind == event.KIND_DELETION { |
| 44 | plan.options.AddBeforeCommit(func(ctx context.Context, tx *sql.Tx) error { |
| 45 | return c.community.ApplyAgentEventTx(ctx, tx, e, now) |
| 46 | }) |
| 47 | } |
| 48 | if c.policy.Features.Grasp && (e.Kind == event.KIND_REPO || e.Kind == event.KIND_REPO_STATE) { |
| 49 | if err := c.prepareRepository(ctx, e, origin, &plan); err != nil { |
| 50 | return eventCommitPlan{}, err |
| 51 | } |
| 52 | } |
| 53 | return plan, nil |
| 54 | } |
| 55 | |
| 56 | func (c eventCommitter) prepareRepository(ctx context.Context, e event.Event, origin replication.Origin, plan *eventCommitPlan) error { |
| 57 | validate := c.git.ValidateImported |
| 58 | if origin == replication.OriginClient { |
| 59 | validate = c.git.Validate |
| 60 | } |
| 61 | repo, err := validate(ctx, e) |
| 62 | if err != nil { |
| 63 | return err |
| 64 | } |
| 65 | raw, err := json.Marshal(repo) |
| 66 | if err != nil { |
| 67 | return err |
| 68 | } |
| 69 | plan.repository, plan.gitMetadata = repo, true |
| 70 | plan.options.Intents = append(plan.options.Intents, storage.Intent{Kind: "git-metadata" , EventID: e.ID, Target: repo.Owner + ":" + repo.Identifier, Payload: string(raw)}) |
| 71 | if e.Kind == event.KIND_REPO_STATE { |
| 72 | plan.options.AddBeforeCommit(func(ctx context.Context, tx *sql.Tx) error { |
| 73 | _, err := tx.ExecContext(ctx, "INSERT OR REPLACE INTO pending_events(id,reason) VALUES(?,'git objects')" , e.ID) |
| 74 | return err |
| 75 | }) |
| 76 | } |
| 77 | return nil |
| 78 | } |
| 79 | |
| 80 | func (t *Tenant) validateStoredEvent(ctx context.Context, e event.Event) error { |
| 81 | if err := t.validatePrivateRepositoryPlacement(ctx, e); err != nil { |
| 82 | return err |
| 83 | } |
| 84 | if err := validateReviewAnchor(e); err != nil { |
| 85 | return err |
| 86 | } |
| 87 | if t.sites != nil { |
| 88 | return sites.ValidateManifest(e) |
| 89 | } |
| 90 | return nil |
| 91 | } |
| 92 | |
| 93 | func (t *Tenant) prepareStoredEvent(ctx context.Context, e event.Event, origin replication.Origin, now int64) (eventCommitPlan, error) { |
| 94 | committer := eventCommitter{policy: t.Policy(), community: t.community, sites: t.sites, git: t.git} |
| 95 | plan, err := committer.prepare(ctx, e, origin, now) |
| 96 | if err != nil { |
| 97 | return plan, err |
| 98 | } |
| 99 | var push *replicationPushFollowupPayload |
| 100 | if origin == replication.OriginClient && t.Policy().Features.Push { |
| 101 | payload, _ := t.prepareReplicationPushFollowup(ctx, e, now) |
| 102 | if len(payload.RegistrationIDs) != 0 || payload.Discover { |
| 103 | push = &payload |
| 104 | } |
| 105 | } |
| 106 | plan.followups = t.followups.prepareWithPush(ctx, e, now, false, push) |
| 107 | if plan.followups != nil { |
| 108 | plan.options.Intents = append(plan.options.Intents, *plan.followups) |
| 109 | } |
| 110 | return plan, nil |
| 111 | } |
| 112 | |
| 113 | func (t *Tenant) afterStoredEvent(ctx context.Context, e event.Event, followups *storage.Intent) { |
| 114 | t.notifyDevices(ctx, e) |
| 115 | t.followups.try(ctx, followups) |
| 116 | if event.IsEphemeral(e.Kind) { |
| 117 | t.notifyCallbacks(ctx, e) |
| 118 | } |
| 119 | t.customViews.cascadeViewDeletion(ctx, e) |
| 120 | t.notifyWikiMerge(ctx, e) |
| 121 | t.notifyWikiProposal(ctx, e) |
| 122 | } |