| 1 | package control |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "fmt" |
| 7 | "slices" |
| 8 | "strings" |
| 9 | |
| 10 | "reasonix/internal/sessioninbox" |
| 11 | ) |
| 12 | |
| 13 | // InboxQueueRequest is the additive, session-fenced queue editing protocol. |
| 14 | type InboxQueueRequest struct { |
| 15 | Kind string `json:"kind"` |
| 16 | ItemID string `json:"itemId,omitempty"` |
| 17 | Text string `json:"text,omitempty"` |
| 18 | ContentVersion string `json:"contentVersion,omitempty"` |
| 19 | BeforeItemID *string `json:"beforeItemId"` |
| 20 | QueueRevision int64 `json:"queueRevision"` |
| 21 | Paused bool `json:"paused,omitempty"` |
| 22 | TurnID string `json:"turnId,omitempty"` |
| 23 | Display string `json:"display,omitempty"` |
| 24 | IdempotencyKey string `json:"idempotencyKey,omitempty"` |
| 25 | } |
| 26 | |
| 27 | type InboxQueueEdit struct { |
| 28 | ID string `json:"id"` |
| 29 | Text string `json:"text"` |
| 30 | ContentVersion string `json:"contentVersion"` |
| 31 | References []string `json:"references"` |
| 32 | } |
| 33 | |
| 34 | type InboxQueueResult struct { |
| 35 | Outcome string `json:"outcome"` |
| 36 | Reason string `json:"reason,omitempty"` |
| 37 | Snapshot sessioninbox.InboxSnapshot `json:"snapshot"` |
| 38 | Edit *InboxQueueEdit `json:"edit,omitempty"` |
| 39 | Receipt *sessioninbox.InboxReceipt `json:"receipt,omitempty"` |
| 40 | } |
| 41 | |
| 42 | // InboxQueue pins one store for the whole operation. Never re-resolve the |
| 43 | // controller's current session after reference preparation or an async write. |
| 44 | func (c *Controller) InboxQueue(path string, req InboxQueueRequest) (InboxQueueResult, error) { |
| 45 | st, err := c.ensureInbox() |
| 46 | if err != nil { |
| 47 | return InboxQueueResult{}, err |
| 48 | } |
| 49 | if path == "" || st.SessionPath() != path { |
| 50 | return InboxQueueResult{Outcome: "unavailable", Reason: "session_changed"}, nil |
| 51 | } |
| 52 | result := InboxQueueResult{Outcome: "applied"} |
| 53 | switch req.Kind { |
| 54 | case "snapshot": |
| 55 | result.Outcome = "unchanged" |
| 56 | case "read": |
| 57 | result.Edit, err = readInboxQueueEdit(st, req.ItemID) |
| 58 | case "edit": |
| 59 | err = c.editInboxQueue(st, req) |
| 60 | case "move": |
| 61 | err = st.MoveItemBefore(req.ItemID, req.BeforeItemID, req.QueueRevision) |
| 62 | case "delete": |
| 63 | err = st.DeleteItem(req.ItemID) |
| 64 | case "pause": |
| 65 | err = st.SetPaused(req.Paused) |
| 66 | case "retry": |
| 67 | err = st.RetryItem(req.ItemID) |
| 68 | case "steer": |
| 69 | if req.TurnID == "" { |
| 70 | return result, fmt.Errorf("turnId is required") |
| 71 | } |
| 72 | _, err = c.trySteerInboxItemForSession(req.ItemID, req.TurnID, path) |
| 73 | case "enqueue_steer": |
| 74 | if req.TurnID == "" || req.IdempotencyKey == "" { |
| 75 | return result, fmt.Errorf("turnId and idempotencyKey are required") |
| 76 | } |
| 77 | var receipt sessioninbox.InboxReceipt |
| 78 | receipt, err = c.TryEnqueueAndSteerForTurn(req.TurnID, InboxRequest{ExpectedSessionPath: path, Display: req.Display, Raw: req.Text, Submit: req.Text, Idempotency: req.IdempotencyKey, Source: "desktop"}) |
| 79 | if err == nil { |
| 80 | result.Receipt = &receipt |
| 81 | } |
| 82 | default: |
| 83 | return result, fmt.Errorf("unknown inbox queue operation %q", req.Kind) |
| 84 | } |
| 85 | result.Snapshot = st.Snapshot() |
| 86 | if err != nil { |
| 87 | result.Outcome, result.Reason = inboxQueueFailure(err) |
| 88 | if result.Reason == "" { |
| 89 | return result, err |
| 90 | } |
| 91 | return result, nil |
| 92 | } |
| 93 | if req.Kind != "read" && req.Kind != "snapshot" && !result.Snapshot.Paused { |
| 94 | c.maybeDispatchInbox() |
| 95 | } |
| 96 | return result, nil |
| 97 | } |
| 98 | |
| 99 | func inboxQueueFailure(err error) (string, string) { |
| 100 | for _, item := range []struct { |
| 101 | err error |
| 102 | reason string |
| 103 | }{ |
| 104 | {sessioninbox.ErrContentChanged, "content_changed"}, |
| 105 | {sessioninbox.ErrOrderChanged, "order_changed"}, |
| 106 | {sessioninbox.ErrAnchorMissing, "anchor_missing"}, |
| 107 | } { |
| 108 | if errors.Is(err, item.err) { |
| 109 | return "conflict", item.reason |
| 110 | } |
| 111 | } |
| 112 | for _, item := range []struct { |
| 113 | err error |
| 114 | reason string |
| 115 | }{ |
| 116 | {sessioninbox.ErrNotFound, "item_missing"}, |
| 117 | {sessioninbox.ErrInvalidState, "item_not_pending"}, |
| 118 | {sessioninbox.ErrSchemaReadonly, "read_only"}, |
| 119 | {errInboxStructuredEdit, "structured_input"}, |
| 120 | {sessioninbox.ErrClosed, "session_changed"}, |
| 121 | {ErrInboxSessionChanged, "session_changed"}, |
| 122 | } { |
| 123 | if errors.Is(err, item.err) { |
| 124 | return "unavailable", item.reason |
| 125 | } |
| 126 | } |
| 127 | return "", "" |
| 128 | } |
| 129 | |
| 130 | var errInboxStructuredEdit = errors.New("structured invocation cannot be edited as plain text") |
| 131 | |
| 132 | func readInboxQueueEdit(st *sessioninbox.Store, id string) (*InboxQueueEdit, error) { |
| 133 | meta, env, err := st.ReadItem(id) |
| 134 | if err != nil { |
| 135 | return nil, err |
| 136 | } |
| 137 | if meta.State != sessioninbox.StateQueued && meta.State != sessioninbox.StateBlocked && meta.State != sessioninbox.StateUncertain { |
| 138 | return nil, sessioninbox.ErrInvalidState |
| 139 | } |
| 140 | if env.Invocation != nil || len(env.Invocations) > 0 { |
| 141 | return nil, errInboxStructuredEdit |
| 142 | } |
| 143 | refs := append([]string{}, env.Attachments...) |
| 144 | refs = append(refs, env.ExplicitRefs...) |
| 145 | for _, ref := range env.Refs { |
| 146 | refs = append(refs, firstNonEmptyStr(ref.DisplayPath, ref.Path)) |
| 147 | } |
| 148 | for _, input := range env.ImageInputs { |
| 149 | if input.Attachment != nil { |
| 150 | refs = append(refs, input.Attachment.DisplayName) |
| 151 | } |
| 152 | } |
| 153 | return &InboxQueueEdit{ID: id, Text: env.SubmitText, ContentVersion: sessioninbox.ContentVersion(meta), References: refs}, nil |
| 154 | } |
| 155 | |
| 156 | func (c *Controller) editInboxQueue(st *sessioninbox.Store, req InboxQueueRequest) error { |
| 157 | if strings.TrimSpace(req.Text) == "" { |
| 158 | return sessioninbox.ErrEmpty |
| 159 | } |
| 160 | meta, env, err := st.ReadItem(req.ItemID) |
| 161 | if err != nil { |
| 162 | return err |
| 163 | } |
| 164 | if req.ContentVersion == "" || sessioninbox.ContentVersion(meta) != req.ContentVersion { |
| 165 | return sessioninbox.ErrContentChanged |
| 166 | } |
| 167 | if env.Invocation != nil || len(env.Invocations) > 0 { |
| 168 | return errInboxStructuredEdit |
| 169 | } |
| 170 | // Keep the original immutable reference bytes when only prose changes. |
| 171 | // A changed @ reference is resolved by the existing authorization path. |
| 172 | if !slices.Equal(parseRefTokens(env.SubmitText), parseRefTokens(req.Text)) { |
| 173 | if err := c.freezeInboxEnvelopeReferences(context.Background(), &env, req.Text, env.ExplicitRefs); err != nil { |
| 174 | return err |
| 175 | } |
| 176 | } |
| 177 | env.DisplayText, env.RawText, env.SubmitText = req.Text, req.Text, req.Text |
| 178 | _, err = st.UpdateItemIfVersion(req.ItemID, env, req.ContentVersion) |
| 179 | return err |
| 180 | } |
| 181 |