Add workflow definition parser

[arvados-workbench2.git] / src / models / workflow.ts

diff --git a/src/models/workflow.ts b/src/models/workflow.ts
index d644b7909047b0c28db876f3dc1dbe9a96cd0c43..923a9cbd31efb6bcff7bae863e239664b55973c6 100644 (file)
--- a/src/models/workflow.ts
+++ b/src/models/workflow.ts
@@ -3,10 +3,107 @@
 // SPDX-License-Identifier: AGPL-3.0
 
 import { Resource, ResourceKind } from "./resource";
+import { safeLoad } from 'js-yaml';
 
 export interface WorkflowResource extends Resource {
     kind: ResourceKind.WORKFLOW;
     name: string;
     description: string;
     definition: string;
-}
\ No newline at end of file
+}
+export interface WorkflowResoruceDefinition {
+    cwlVersion: string;
+    $graph: Array<Workflow | CommandLineTool>;
+}
+export interface Workflow {
+    class: 'Workflow';
+    doc?: string;
+    id?: string;
+    inputs: CommandInputParameter[];
+    outputs: any[];
+    steps: any[];
+}
+
+export interface CommandLineTool {
+    class: 'CommandLineTool';
+    id: string;
+    inputs: CommandInputParameter[];
+    outputs: any[];
+}
+
+export interface CommandInputParameter {
+    id: string;
+    label?: string;
+    doc?: string | string[];
+    default?: any;
+    type?: CWLType | CWLType[] | CommandInputEnumSchema | CommandInputArraySchema;
+}
+
+export enum CWLType {
+    NULL = 'null',
+    BOOLEAN = 'boolean',
+    INT = 'int',
+    LONG = 'long',
+    FLOAT = 'float',
+    DOUBLE = 'double',
+    STRING = 'string',
+    FILE = 'File',
+    DIRECTORY = 'Directory',
+}
+
+export interface CommandInputEnumSchema {
+    symbols: string[];
+    type: 'enum';
+    label?: string;
+    name?: string;
+}
+
+export interface CommandInputArraySchema {
+    items: CWLType;
+    type: 'array';
+    label?: string;
+}
+
+export interface File {
+    class: CWLType.FILE;
+    location?: string;
+    path?: string;
+    basename?: string;
+}
+
+export interface Directory {
+    class: CWLType.DIRECTORY;
+    location?: string;
+    path?: string;
+    basename?: string;
+}
+
+export const parseWorkflowDefinition = (workflow: WorkflowResource): WorkflowResoruceDefinition => {
+    const definition = safeLoad(workflow.definition);
+    return definition;
+};
+
+export const getWorkflowInputs = (workflowDefinition: WorkflowResoruceDefinition) => {
+    const mainWorkflow = workflowDefinition.$graph.find(item => item.class === 'Workflow' && item.id === '#main');
+    return mainWorkflow
+        ? mainWorkflow.inputs
+        : undefined;
+};
+
+export const stringifyInputType = ({ type }: CommandInputParameter) => {
+    if (typeof type === 'string') {
+        return type;
+    } else if (type instanceof Array) {
+        return type.join(' | ');
+    } else if (typeof type === 'object') {
+        if (type.type === 'enum') {
+            return 'enum';
+        } else if (type.type === 'array') {
+            return `${type.items}[]`;
+        } else {
+            return 'unknown';
+        }
+    } else {
+        return 'unknown';
+    }
+};