mirror of
https://github.com/gristlabs/grist-core.git
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437d30bd9f
Summary: Adds a method Table._num_rows using an empty lookup map column. Adds a method Engine.count_rows which adds them all up. Returns the count after applying user actions to be logged by ActiveDoc. Test Plan: Added a unit test in Python. Tested log message manually. Reviewers: paulfitz Reviewed By: paulfitz Differential Revision: https://phab.getgrist.com/D3275
77 lines
3.2 KiB
TypeScript
77 lines
3.2 KiB
TypeScript
/**
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* Basic definitions of types needed for ActionBundles.
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* See also EncActionBundle for how these are packaged for encryption.
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*/
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import {DocAction, UserAction} from 'app/common/DocActions';
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// Metadata about the action.
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export interface ActionInfo {
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time: number; // Milliseconds since epoch.
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user: string;
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inst: string;
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desc?: string;
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otherId: number;
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linkId: number;
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}
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// Envelope contains information about recipients. In EncActionBundle, it's augmented with
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// information about the symmetric key that encrypts this envelope's contents.
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export interface Envelope {
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recipients: string[]; // sorted array of recipient instanceIds
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}
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// EnvContent packages arbitrary content with the index of the envelope to which it belongs.
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export type EnvContent<Content> = [number, Content];
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// ActionBundle contains actions arranged into envelopes, i.e. split up by sets of recipients.
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// Note that different Envelopes contain different sets of recipients (which may overlap however).
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// ActionBundle is what gets encrypted/decrypted and then sent between hub and instance.
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export interface ActionBundle {
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actionNum: number;
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actionHash: string|null; // a checksum of bundle, (not including actionHash and other parts).
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parentActionHash: string|null; // a checksum of the parent action bundle, if there is one.
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envelopes: Envelope[];
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info: EnvContent<ActionInfo>; // Should be in the envelope addressed to all peers.
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stored: Array<EnvContent<DocAction>>;
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calc: Array<EnvContent<DocAction>>;
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}
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export function getEnvContent<Content>(items: Array<EnvContent<Content>>): Content[] {
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return items.map((item) => item[1]);
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}
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// ======================================================================
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// Types for ActionBundles used locally inside an instance.
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// Local action received from the browser, that is not yet applied. It is usually one UserAction,
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// but when multiple actions are sent by the browser in one call, they will form one bundle.
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export interface UserActionBundle {
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info: ActionInfo;
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userActions: UserAction[];
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}
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// ActionBundle as received from the sandbox. It does not have some action metadata, but does have
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// undo information and a retValue for each input UserAction. Note that it is satisfied by the
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// ActionBundle structure defined in sandbox/grist/action_obj.py.
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export interface SandboxActionBundle {
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envelopes: Envelope[];
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stored: Array<EnvContent<DocAction>>;
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direct: Array<EnvContent<boolean>>;
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calc: Array<EnvContent<DocAction>>;
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undo: Array<EnvContent<DocAction>>; // Inverse actions for all 'stored' actions.
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retValues: any[]; // Contains retValue for each of userActions.
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rowCount: number;
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}
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// Local action that's been applied. It now has an actionNum, and includes doc actions packaged
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// into envelopes, as well as undo, and userActions, which allow rebasing.
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export interface LocalActionBundle extends ActionBundle {
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userActions: UserAction[];
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// Inverse actions for all 'stored' actions. These aren't shared and not split by envelope.
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// Applying 'undo' is governed by EDIT rather than READ permissions, so we always apply all undo
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// actions. (It is the result of applying 'undo' that may be addressed to different recipients).
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undo: DocAction[];
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}
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