Define agreement Actions.

62func signatureActions() []product.Action {63	yes, no := policy(algebra.True()), policy(algebra.False())64	pending := algebra.In(algebra.FieldRef("target", "status"), algebra.Literal(text("requested")), algebra.Literal(text("sending")), algebra.Literal(text("sent")))65	requestAllowed := policy(algebra.Compare(algebra.CompareEq, algebra.FieldRef("target", "status"), algebra.Literal(text("approved"))))66	return []product.Action{67		product.NewAction(product.Action{Name: "RequestSignature", Label: "Request agreement signature", Target: "OnboardingCase", Inputs: []product.ActionInput{{Name: "request_id", Type: "string", MinimumLength: 1}, {Name: "document", Type: "file"}, {Name: "document_revision", Type: "integer", Minimum: intPointer(1)}, {Name: "signer", Type: "string", MinimumLength: 3}, {Name: "requested_at", Type: "timestamp"}, {Name: "reminder_at", Type: "timestamp"}, {Name: "expires_at", Type: "timestamp"}}, Programs: deferred("request_signature"), Ceiling: product.ProgramCeiling{Reads: []product.ProgramRead{read("target", "case_id"), read("target", "supplier_id"), read("target", "status"), read("input", "request_id"), read("input", "document"), read("input", "document_revision"), read("input", "signer"), read("input", "requested_at"), read("input", "reminder_at"), read("input", "expires_at")}, Dependencies: []string{"OnboardingCase", "SignatureRequest"}, Effects: []product.ProgramEffectPermission{permission("create_object", "SignatureRequest", "case_id", "supplier_id", "signer", "document_file_id", "document_revision", "requested_at", "reminder_at", "expires_at", "status", "delivery_id", "signature_evidence_file_id"), permission("set_properties", "OnboardingCase", "status"), permission("start_workflow", "CollectSignature", "input")}, MaxEffects: 3, MaxValueBytes: 32768}, AllowedFor: yes, AllowedIf: requestAllowed, RequiresReview: yes}),68		product.NewAction(product.Action{Name: "SendSignatureRequest", Label: "Send signature request", Description: "Queue the signature request for delivery. The round becomes sending; only the provider's acknowledgement makes it sent.", Target: "SignatureRequest", Programs: deferred("send_signature_request"), Ceiling: signatureDeliveryCeiling(true), AllowedFor: yes, AllowedIf: policy(algebra.Compare(algebra.CompareEq, algebra.FieldRef("target", "status"), algebra.Literal(text("requested")))), RequiresReview: no}),69		product.NewAction(product.Action{Name: "ConfirmSignatureDelivery", Label: "Confirm signature delivery", Description: "Record the signature provider's own acknowledged delivery identity. This is the evidence that turns a sending round into a sent one.", DeniedReason: "Only a round whose delivery is still in flight can be confirmed.", Target: "SignatureRequest", Inputs: []product.ActionInput{{Name: "delivery_id", Type: "string", MinimumLength: 1, Label: "Delivery", Doc: "The identity the signature provider acknowledged for this exact delivery."}}, Programs: deferred("confirm_signature_delivery"), Ceiling: product.ProgramCeiling{Reads: []product.ProgramRead{read("target", "request_id"), read("target", "status"), read("input", "delivery_id")}, Dependencies: []string{"SignatureRequest"}, Effects: []product.ProgramEffectPermission{permission("set_properties", "SignatureRequest", "status", "delivery_id")}, MaxEffects: 1, MaxValueBytes: 8192}, AllowedFor: yes, AllowedIf: policy(algebra.Compare(algebra.CompareEq, algebra.FieldRef("target", "status"), algebra.Literal(text("sending")))), RequiresReview: no}),70		product.NewAction(product.Action{Name: "SendSignatureReminder", Label: "Send signature reminder", Target: "SignatureRequest", Programs: deferred("send_signature_reminder"), Ceiling: signatureDeliveryCeiling(false), AllowedFor: yes, AllowedIf: policy(pending), RequiresReview: no}),71		product.NewAction(product.Action{Name: "AcceptSignature", Label: "Accept signature evidence", Target: "SignatureRequest", Inputs: []product.ActionInput{{Name: "document_revision", Type: "integer"}, {Name: "signature_evidence", Type: "file"}}, Programs: deferred("accept_signature"), Ceiling: product.ProgramCeiling{Reads: signatureReads(read("target", "request_id"), read("target", "status"), read("target", "document_revision"), read("target", "expires_at"), read("input", "document_revision"), read("input", "signature_evidence")), Dependencies: []string{"SignatureRequest"}, Effects: []product.ProgramEffectPermission{permission("set_properties", "SignatureRequest", "status", "signature_evidence_file_id"), permission("emit", signatureChanged)}, MaxEffects: 2, MaxValueBytes: 16384}, AllowedFor: yes, AllowedIf: policy(algebra.And(pending, algebra.Compare(algebra.CompareEq, algebra.FieldRef("target", "document_revision"), algebra.FieldRef("input", "document_revision")), algebra.Compare(algebra.CompareLT, algebra.BasisTime(), algebra.FieldRef("target", "expires_at")))), RequiresReview: yes}),72		product.NewAction(product.Action{Name: "ExpireSignatureRequest", Label: "Expire unsigned request", Target: "SignatureRequest", Programs: deferred("expire_signature"), Ceiling: product.ProgramCeiling{Reads: signatureReads(read("target", "request_id"), read("target", "case_id"), read("target", "status"), read("target", "expires_at")), Dependencies: []string{"SignatureRequest", "OnboardingCase"}, Effects: []product.ProgramEffectPermission{permission("set_properties", "SignatureRequest", "status"), permission("set_properties", "OnboardingCase", "status"), permission("emit", signatureChanged)}, MaxEffects: 3, MaxValueBytes: 8192}, AllowedFor: yes, AllowedIf: policy(algebra.And(pending, algebra.Compare(algebra.CompareGTE, algebra.BasisTime(), algebra.FieldRef("target", "expires_at")))), RequiresReview: no}),73		product.NewAction(product.Action{Name: "CancelSignatureRequest", Label: "Cancel signature request", Target: "SignatureRequest", Programs: deferred("cancel_signature"), Ceiling: product.ProgramCeiling{Reads: []product.ProgramRead{read("target", "request_id"), read("target", "case_id"), read("target", "status")}, Dependencies: []string{"SignatureRequest", "OnboardingCase"}, Effects: []product.ProgramEffectPermission{permission("set_properties", "SignatureRequest", "status"), permission("set_properties", "OnboardingCase", "status"), permission("emit", signatureChanged)}, MaxEffects: 3, MaxValueBytes: 8192}, AllowedFor: yes, AllowedIf: policy(pending), RequiresReview: yes}),74		product.NewAction(product.Action{Name: "ActivateSignedAgreement", Label: "Activate signed agreement", Target: "SignatureRequest", Inputs: []product.ActionInput{{Name: "document_revision", Type: "integer"}, {Name: "signature_evidence", Type: "file"}}, Programs: deferred("activate_signed_agreement"), Ceiling: product.ProgramCeiling{Reads: []product.ProgramRead{read("target", "request_id"), read("target", "case_id"), read("target", "supplier_id"), read("target", "status"), read("target", "document_revision"), read("target", "signature_evidence_file_id"), read("input", "document_revision"), read("input", "signature_evidence")}, Dependencies: []string{"SignatureRequest", "OnboardingCase", "Supplier"}, Effects: []product.ProgramEffectPermission{permission("set_properties", "SignatureRequest", "status"), permission("set_properties", "OnboardingCase", "status"), permission("set_properties", "Supplier", "is_active")}, MaxEffects: 3, MaxValueBytes: 16384}, AllowedFor: yes, AllowedIf: policy(algebra.And(algebra.Compare(algebra.CompareEq, algebra.FieldRef("target", "status"), algebra.Literal(text("signed"))), algebra.Compare(algebra.CompareEq, algebra.FieldRef("target", "document_revision"), algebra.FieldRef("input", "document_revision")), algebra.Compare(algebra.CompareEq, algebra.FieldRef("target", "signature_evidence_file_id"), algebra.FieldRef("input", "signature_evidence")))), RequiresReview: no}),75	}76}77 78func signatureReads(reads ...product.ProgramRead) []product.ProgramRead {79	return append(reads, read("basis", "basis.time"))