Initial copy of shop partner app.

src/main/decoder/decode-env.ts

@@ -0,0 +1,68 @@
+import { DBFFile } from "dbffile";
+import log from "electron-log/main";
+import _ from "lodash";
+import deepLowerCaseKeys from "../../util/deepLowercaseKeys";
+import errorTypeCheck from "../../util/errorTypeCheck";
+import { DecodedEnv } from "./decode-env.interface";
+import { platform } from "@electron-toolkit/utils";
+import { findFileCaseInsensitive } from "./decoder-utils";
+
+const DecodeEnv = async (
+  extensionlessFilePath: string,
+): Promise<DecodedEnv> => {
+  let dbf: DBFFile | null = null;
+
+  if (platform.isWindows) {
+    try {
+      dbf = await DBFFile.open(`${extensionlessFilePath}.ENV`);
+    } catch (error) {
+      log.error("Error opening ENV File.", errorTypeCheck(error));
+    }
+
+    if (!dbf) {
+      log.error(`Could not find any ENV files at ${extensionlessFilePath}`);
+      throw new Error(
+        `Could not find any ENV files at ${extensionlessFilePath}`,
+      );
+    }
+  } else {
+    const possibleExtensions: string[] = [".env"];
+    const filePath = await findFileCaseInsensitive(
+      extensionlessFilePath,
+      possibleExtensions,
+    );
+    try {
+      if (!filePath) {
+        log.error(`Could not find any ENV files at ${extensionlessFilePath}`);
+        throw new Error(
+          `Could not find any ENV files at ${extensionlessFilePath}`,
+        );
+      }
+      dbf = await DBFFile.open(filePath);
+    } catch (error) {
+      log.error("Error opening ENV File.", errorTypeCheck(error));
+      throw error;
+    }
+  }
+  const rawDBFRecord = await dbf.readRecords(1);
+
+  //AD2 will always have only 1 row.
+
+  //TODO: Determine if there's any value to capture the whole ENV file.
+
+  const rawEnvData: DecodedEnv = deepLowerCaseKeys(
+    _.pick(rawDBFRecord[0], [
+      //TODO: Add typings for EMS File Formats.
+      //TODO: Several of these fields will fail. Should extend schema to capture them.
+      //"EST_SYSTEM",
+      "ESTFILE_ID",
+    ]),
+  );
+  rawEnvData.ciecaid = rawEnvData.estfile_id;
+  delete rawEnvData.estfile_id;
+
+  //Apply business logic transfomrations.
+
+  return rawEnvData;
+};
+export default DecodeEnv;