public async onFileChange()

in src/features/chat-page/chat-input/file/file-store.ts [19:96]
62 lines of code
7 McCabe index (conditional complexity)

  public async onFileChange(props: {
    formData: FormData;
    chatThreadId: string;
  }) {
    const { formData, chatThreadId } = props;

    try {
      chatStore.updateLoading("file upload");

      formData.append("id", chatThreadId);
      const file: File | null = formData.get("file") as unknown as File;

      this.uploadButtonLabel = "Processing document";
      const crackingResponse = await CrackDocument(formData);

      if (crackingResponse.status === "OK") {
        let index = 0;

        const documentIndexResponses: Array<ServerActionResponse<boolean>> = [];

        for (const doc of crackingResponse.response) {
          this.uploadButtonLabel = `Indexing document [${index + 1}]/[${
            crackingResponse.response.length
          }]`;

          // index one document at a time
          const indexResponses = await IndexDocuments(
            file.name,
            [doc],
            chatThreadId
          );

          documentIndexResponses.push(...indexResponses);
          index++;
        }

        const allDocumentsIndexed = documentIndexResponses.every(
          (r) => r.status === "OK"
        );

        if (allDocumentsIndexed) {
          // Update state
          this.uploadButtonLabel = file.name + " loaded";
          // Update history DB with doc on chat thread
          const response = await CreateChatDocument(file.name, chatThreadId);

          if (response.status === "OK") {
            showSuccess({
              title: "File upload",
              description: `${file.name} uploaded successfully.`,
            });
          } else {
            showError(response.errors.map((e) => e).join("\n"));
          }
        } else {
          const errors: Array<string> = [];

          documentIndexResponses.forEach((r) => {
            if (r.status === "ERROR") {
              errors.push(...r.errors.map((e) => e.message));
            }
          });

          showError(
            "Looks like not all documents were indexed" +
              errors.map((e) => e).join("\n")
          );
        }
      } else {
        showError(crackingResponse.errors.map((e) => e.message).join("\n"));
      }
    } catch (error) {
      showError("" + error);
    } finally {
      this.uploadButtonLabel = "";
      chatStore.updateLoading("idle");
    }
  }