Add $items to expression and Function-Nodes to get all items

This commit is contained in:
Jan Oberhauser
2020-04-12 18:42:29 +02:00
parent 135e467be9
commit 09e528565f
4 changed files with 114 additions and 50 deletions

View File

@@ -534,6 +534,7 @@ export interface IWorkflowDataProxyData {
$env: any; // tslint:disable-line:no-any
$evaluateExpression: any; // tslint:disable-line:no-any
$item: any; // tslint:disable-line:no-any
$items: any; // tslint:disable-line:no-any
$json: any; // tslint:disable-line:no-any
$node: any; // tslint:disable-line:no-any
$parameter: any; // tslint:disable-line:no-any

View File

@@ -104,6 +104,79 @@ export class WorkflowDataProxy {
}
/**
* Returns the node ExecutionData
*
* @private
* @param {string} nodeName The name of the node query data from
* @param {boolean} [shortSyntax=false] If short syntax got used
* @param {number} [outputIndex] The index of the output, if not given the first one gets used
* @param {number} [runIndex] The index of the run, if not given the current one does get used
* @returns {INodeExecutionData[]}
* @memberof WorkflowDataProxy
*/
private getNodeExecutionData(nodeName: string, shortSyntax = false, outputIndex?: number, runIndex?: number): INodeExecutionData[] {
const that = this;
let executionData: INodeExecutionData[];
if (shortSyntax === false) {
// Long syntax got used to return data from node in path
if (that.runExecutionData === null) {
throw new Error(`Workflow did not run so do not have any execution-data.`);
}
if (!that.runExecutionData.resultData.runData.hasOwnProperty(nodeName)) {
throw new Error(`No execution data found for node "${nodeName}"`);
}
runIndex = runIndex === undefined ? that.runIndex : 0;
if (that.runExecutionData.resultData.runData[nodeName].length < runIndex) {
throw new Error(`No execution data found for run "${runIndex}" of node "${nodeName}"`);
}
const taskData = that.runExecutionData.resultData.runData[nodeName][runIndex].data!;
if (taskData.main === null || !taskData.main.length || taskData.main[0] === null) {
// throw new Error(`No data found for item-index: "${itemIndex}"`);
throw new Error(`No data found from "main" input.`);
}
// Check from which output to read the data.
// Depends on how the nodes are connected.
// (example "IF" node. If node is connected to "true" or to "false" output)
if (outputIndex === undefined) {
const outputIndex = that.workflow.getNodeConnectionOutputIndex(that.activeNodeName, nodeName, 'main');
if (outputIndex === undefined) {
throw new Error(`The node "${that.activeNodeName}" is not connected with node "${nodeName}" so no data can get returned from it.`);
}
}
if (outputIndex === undefined) {
outputIndex = 0;
}
if (taskData.main.length < outputIndex) {
throw new Error(`No data found from "main" input with index "${outputIndex}" via which node is connected with.`);
}
executionData = taskData.main[outputIndex] as INodeExecutionData[];
} else {
// Short syntax got used to return data from active node
// TODO: Here have to generate connection Input data for the current node by itself
// Data needed:
// #- the run-index
// - node which did send data (has to be the one from last recent execution)
// - later also the name of the input and its index (currently not needed as it is always "main" and index "0")
executionData = that.connectionInputData;
}
return executionData;
}
/**
* Returns a proxy which allows to query data of a given node
@@ -128,53 +201,7 @@ export class WorkflowDataProxy {
name = name.toString();
if (['binary', 'data', 'json'].includes(name)) {
let executionData: INodeExecutionData[];
if (shortSyntax === false) {
// Long syntax got used to return data from node in path
if (that.runExecutionData === null) {
throw new Error(`Workflow did not run so do not have any execution-data.`);
}
if (!that.runExecutionData.resultData.runData.hasOwnProperty(nodeName)) {
throw new Error(`No execution data found for node "${nodeName}"`);
}
if (that.runExecutionData.resultData.runData[nodeName].length < that.runIndex) {
throw new Error(`No execution data found for run "${that.runIndex}" of node "${nodeName}"`);
}
const taskData = that.runExecutionData.resultData.runData[nodeName][that.runIndex].data!;
if (taskData.main === null || !taskData.main.length || taskData.main[0] === null) {
// throw new Error(`No data found for item-index: "${itemIndex}"`);
throw new Error(`No data found from "main" input.`);
}
// Check from which output to read the data.
// Depends on how the nodes are connected.
// (example "IF" node. If node is connected to "true" or to "false" output)
const outputIndex = that.workflow.getNodeConnectionOutputIndex(that.activeNodeName, nodeName, 'main');
if (outputIndex === undefined) {
throw new Error(`The node "${that.activeNodeName}" is not connected with node "${nodeName}" so no data can get returned from it.`);
}
if (taskData.main.length < outputIndex) {
throw new Error(`No data found from "main" input with index "${outputIndex}" via which node is connected with.`);
}
executionData = taskData.main[outputIndex] as INodeExecutionData[];
} else {
// Short syntax got used to return data from active node
// TODO: Here have to generate connection Input data for the current node by itself
// Data needed:
// #- the run-index
// - node which did send data (has to be the one from last recent execution)
// - later also the name of the input and its index (currently not needed as it is always "main" and index "0")
executionData = that.connectionInputData;
}
const executionData = that.getNodeExecutionData(name, shortSyntax);
if (executionData.length <= that.itemIndex) {
throw new Error(`No data found for item-index: "${that.itemIndex}"`);
@@ -305,6 +332,18 @@ export class WorkflowDataProxy {
const dataProxy = new WorkflowDataProxy(this.workflow, this.runExecutionData, this.runIndex, itemIndex, this.activeNodeName, this.connectionInputData);
return dataProxy.getDataProxy();
},
$items: (nodeName?: string, outputIndex?: number, runIndex?: number) => {
let executionData: INodeExecutionData[];
if (nodeName === undefined) {
executionData = that.connectionInputData;
} else {
outputIndex = outputIndex || 0;
executionData = that.getNodeExecutionData(nodeName, false, outputIndex, runIndex);
}
return executionData;
},
$json: {}, // Placeholder
$node: this.nodeGetter(),
$parameter: this.nodeParameterGetter(this.activeNodeName),