gristlabs_grist-core/app/client/models/entities/ColumnRec.ts

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import {KoArray} from 'app/client/lib/koArray';
import {localStorageJsonObs} from 'app/client/lib/localStorageObs';
import {CellRec, DocModel, IRowModel, recordSet,
refRecord, TableRec, ViewFieldRec} from 'app/client/models/DocModel';
import {urlState} from 'app/client/models/gristUrlState';
import {jsonObservable, ObjObservable} from 'app/client/models/modelUtil';
import {AssistanceState} from 'app/common/AssistancePrompts';
import * as gristTypes from 'app/common/gristTypes';
import {getReferencedTableId} from 'app/common/gristTypes';
import {
BaseFormatter,
createFullFormatterRaw,
createVisibleColFormatterRaw,
FullFormatterArgs
} from 'app/common/ValueFormatter';
import {createParser} from 'app/common/ValueParser';
import {Observable} from 'grainjs';
import * as ko from 'knockout';
// Column behavior type, used primarily in the UI.
export type BEHAVIOR = "empty"|"formula"|"data";
// Represents a column in a user-defined table.
export interface ColumnRec extends IRowModel<"_grist_Tables_column"> {
table: ko.Computed<TableRec>;
widgetOptionsJson: ObjObservable<any>;
viewFields: ko.Computed<KoArray<ViewFieldRec>>;
summarySource: ko.Computed<ColumnRec>;
// Is an empty column (undecided if formula or data); denoted by an empty formula.
isEmpty: ko.Computed<boolean>;
// Is a real formula column (not an empty column; i.e. contains a non-empty formula).
isRealFormula: ko.Computed<boolean>;
// Is a trigger formula column (not formula, but contains non-empty formula)
hasTriggerFormula: ko.Computed<boolean>;
// Used for transforming a column.
// Reference to the original column for a transform column, or to itself for a non-transforming column.
origColRef: ko.Observable<number>;
origCol: ko.Computed<ColumnRec>;
// Indicates whether a column is transforming. Manually set, but should be true in both the original
// column being transformed and that column's transform column.
isTransforming: ko.Observable<boolean>;
// Convenience observable to obtain and set the type with no suffix
pureType: ko.Computed<string>;
// Column behavior as seen by the user.
behavior: ko.Computed<BEHAVIOR>;
// The column's display column
_displayColModel: ko.Computed<ColumnRec>;
// Display col ref to use for the column, defaulting to the plain column itself.
displayColRef: ko.Computed<number>;
// The display column to use for the column, or the column itself when no displayCol is set.
displayColModel: ko.Computed<ColumnRec>;
visibleColModel: ko.Computed<ColumnRec>;
disableModifyBase: ko.Computed<boolean>; // True if column config can't be modified (name, type, etc.)
disableModify: ko.Computed<boolean>; // True if column can't be modified (is summary) or is being transformed.
disableEditData: ko.Computed<boolean>; // True to disable editing of the data in this column.
isHiddenCol: ko.Computed<boolean>;
// Returns the rowModel for the referenced table, or null, if is not a reference column.
refTable: ko.Computed<TableRec|null>;
// Helper for Reference/ReferenceList columns, which returns a formatter according
// to the visibleCol associated with column.
visibleColFormatter: ko.Computed<BaseFormatter>;
// A formatter for values of this column.
// The difference between visibleColFormatter and formatter is especially important for ReferenceLists:
// `visibleColFormatter` is for individual elements of a list, sometimes hypothetical
// (i.e. they aren't actually referenced but they exist in the visible column and are relevant to e.g. autocomplete)
// `formatter` formats actual cell values, e.g. a whole list from the display column.
formatter: ko.Computed<BaseFormatter>;
cells: ko.Computed<KoArray<CellRec>>;
/**
* Current history of chat. This is a temporary array used only in the ui.
*/
chatHistory: ko.PureComputed<Observable<ChatHistory>>;
// Helper which adds/removes/updates column's displayCol to match the formula.
saveDisplayFormula(formula: string): Promise<void>|undefined;
createValueParser(): (value: string) => any;
}
export function createColumnRec(this: ColumnRec, docModel: DocModel): void {
this.table = refRecord(docModel.tables, this.parentId);
this.widgetOptionsJson = jsonObservable(this.widgetOptions);
this.viewFields = recordSet(this, docModel.viewFields, 'colRef');
this.summarySource = refRecord(docModel.columns, this.summarySourceCol);
this.cells = recordSet(this, docModel.cells, 'colRef');
// Is this an empty column (undecided if formula or data); denoted by an empty formula.
this.isEmpty = ko.pureComputed(() => this.isFormula() && this.formula() === '');
// Is this a real formula column (not an empty column; i.e. contains a non-empty formula).
this.isRealFormula = ko.pureComputed(() => this.isFormula() && this.formula() !== '');
// If this column has a trigger formula defined
this.hasTriggerFormula = ko.pureComputed(() => !this.isFormula() && this.formula() !== '');
// Used for transforming a column.
// Reference to the original column for a transform column, or to itself for a non-transforming column.
this.origColRef = ko.observable(this.getRowId());
this.origCol = refRecord(docModel.columns, this.origColRef);
// Indicates whether a column is transforming. Manually set, but should be true in both the original
// column being transformed and that column's transform column.
this.isTransforming = ko.observable(false);
// Convenience observable to obtain and set the type with no suffix
this.pureType = ko.pureComputed(() => gristTypes.extractTypeFromColType(this.type()));
// The column's display column
this._displayColModel = refRecord(docModel.columns, this.displayCol);
// Helper which adds/removes/updates this column's displayCol to match the formula.
this.saveDisplayFormula = function(formula) {
if (formula !== (this._displayColModel().formula() || '')) {
return docModel.docData.sendAction(["SetDisplayFormula", this.table().tableId(),
null, this.getRowId(), formula]);
}
};
// Display col ref to use for the column, defaulting to the plain column itself.
this.displayColRef = ko.pureComputed(() => this.displayCol() || this.origColRef());
// The display column to use for the column, or the column itself when no displayCol is set.
this.displayColModel = refRecord(docModel.columns, this.displayColRef);
this.visibleColModel = refRecord(docModel.columns, this.visibleCol);
this.disableModifyBase = ko.pureComputed(() => Boolean(this.summarySourceCol()));
this.disableModify = ko.pureComputed(() => this.disableModifyBase() || this.isTransforming());
this.disableEditData = ko.pureComputed(() => Boolean(this.summarySourceCol()));
this.isHiddenCol = ko.pureComputed(() => gristTypes.isHiddenCol(this.colId()));
// Returns the rowModel for the referenced table, or null, if this is not a reference column.
this.refTable = ko.pureComputed(() => {
const refTableId = getReferencedTableId(this.type() || "");
return refTableId ? docModel.visibleTables.all().find(t => t.tableId() === refTableId) || null : null;
});
// Helper for Reference/ReferenceList columns, which returns a formatter according to the visibleCol
// associated with this column. If no visible column available, return formatting for the column itself.
this.visibleColFormatter = ko.pureComputed(() => formatterForRec(this, this, docModel, 'vcol'));
this.formatter = ko.pureComputed(() => formatterForRec(this, this, docModel, 'full'));
this.createValueParser = function() {
const parser = createParser(docModel.docData, this.id.peek());
return parser.cleanParse.bind(parser);
};
this.behavior = ko.pureComputed(() => this.isEmpty() ? 'empty' : this.isFormula() ? 'formula' : 'data');
this.chatHistory = this.autoDispose(ko.computed(() => {
const docId = urlState().state.get().doc ?? '';
// Changed key name from history to history-v2 when ChatHistory changed in incompatible way.
const key = `formula-assistant-history-v2-${docId}-${this.table().tableId()}-${this.colId()}`;
return localStorageJsonObs(key, {messages: []} as ChatHistory);
}));
}
export function formatterForRec(
rec: ColumnRec | ViewFieldRec, colRec: ColumnRec, docModel: DocModel, kind: 'full' | 'vcol'
): BaseFormatter {
const vcol = rec.visibleColModel();
const func = kind === 'full' ? createFullFormatterRaw : createVisibleColFormatterRaw;
const args: FullFormatterArgs = {
docData: docModel.docData,
type: colRec.type(),
widgetOpts: rec.widgetOptionsJson(),
visibleColType: vcol?.type(),
visibleColWidgetOpts: vcol?.widgetOptionsJson(),
docSettings: docModel.docInfoRow.documentSettingsJson(),
};
return func(args);
}
/**
* A chat message. Either send by the user or by the AI.
*/
export interface ChatMessage {
/**
* The message to display. It is a prompt typed by the user or a formula returned from the AI.
*/
message: string;
/**
* The sender of the message. Either the user or the AI.
*/
sender: 'user' | 'ai';
/**
* The formula returned from the AI. It is only set when the sender is the AI.
*/
formula?: string;
}
/**
* The state of assistance for a particular column.
* ChatMessages are what are shown in the UI, whereas state is
* how the back-end represents the conversation. The two are
* similar but not the same because of post-processing.
* It may be possible to reconcile them when things settle down
* a bit?
*/
export interface ChatHistory {
messages: ChatMessage[];
state?: AssistanceState;
}