refactor files and add proj type validation

api.planx.uk/modules/flows/validate/controller.ts

@@ -1,7 +1,7 @@
 import { Node } from "@opensystemslab/planx-core/types";
 import { ValidatedRequestHandler } from "../../../shared/middleware/validate";
 import { z } from "zod";
-import { validateAndDiffFlow } from "./service";
+import { validateAndDiffFlow } from "./service/index";
 import { ServerError } from "../../../errors";
 
 interface ValidateAndDiffResponse {

api.planx.uk/modules/flows/validate/service/fileTypes.ts

@@ -0,0 +1,76 @@
+import { getValidSchemaValues } from "@opensystemslab/planx-core";
+import {
+  ComponentType,
+  FlowGraph,
+  Node,
+} from "@opensystemslab/planx-core/types";
+import countBy from "lodash/countBy";
+
+import { isComponentType } from "../helpers";
+import { FlowValidationResponse } from "./index";
+
+const validateFileTypes = (flowGraph: FlowGraph): FlowValidationResponse => {
+  // Get all passport variables set by FileUpload and/or FileUploadAndLabel
+  const allFileFns = [
+    ...getFileUploadNodeFns(flowGraph),
+    ...getFileUploadAndLabelNodeFns(flowGraph),
+  ];
+  if (allFileFns.length < 1) {
+    return {
+      title: "File types",
+      status: "Not applicable",
+      message: "Your flow is not using FileUpload or UploadAndLabel",
+    };
+  }
+
+  // Get all file types supported by current release of ODP Schema & compare
+  const validFileTypes = getValidSchemaValues("FileType");
+  const invalidFileFns: string[] = [];
+  allFileFns.forEach((fn) => {
+    if (!validFileTypes?.includes(fn)) {
+      invalidFileFns.push(fn);
+    }
+  });
+  if (invalidFileFns.length > 0) {
+    // Get unique fns with count of occurances
+    const countInvalidFileFns = countBy(invalidFileFns);
+    const summarisedInvalidFileFns: string[] = [];
+    Object.entries(countInvalidFileFns).map(([k, v]: [string, number]) => {
+      summarisedInvalidFileFns.push(`${k} (${v})`);
+    });
+    return {
+      title: "File types",
+      status: "Warn",
+      message: `Your FileUpload or UploadAndLabel are setting data fields that are not supported by the current release of the ODP Schema: ${summarisedInvalidFileFns.join(", ")}`,
+    };
+  }
+
+  return {
+    title: "File types",
+    status: "Pass",
+    message:
+      "Files collected via FileUpload or UploadAndLabel are all supported by the ODP Schema",
+  };
+};
+
+const getFileUploadNodeFns = (flowGraph: FlowGraph): string[] => {
+  const fileUploadNodes = Object.entries(flowGraph).filter((entry) =>
+    isComponentType(entry, ComponentType.FileUpload),
+  );
+  return fileUploadNodes.map(([_nodeId, node]) => node.data?.fn as string);
+};
+
+const getFileUploadAndLabelNodeFns = (flowGraph: FlowGraph): string[] => {
+  // Exclude Upload & Label nodes used in "info-only" mode with a hidden dropzone
+  const uploadAndLabelNodes = Object.entries(flowGraph).filter(
+    (entry) =>
+      isComponentType(entry, ComponentType.FileUploadAndLabel) &&
+      entry[1].data?.hideDropZone !== true,
+  );
+  const uploadAndLabelFileTypes = uploadAndLabelNodes
+    .map(([_nodeId, node]: [string, Node]) => node.data?.fileTypes)
+    .flat();
+  return uploadAndLabelFileTypes?.map((file: any) => file?.fn as string);
+};
+
+export { validateFileTypes };