Add several EMS file formats.

src/main/decoder/decode-pfo.ts

@@ -0,0 +1,66 @@
+import { DBFFile } from "dbffile";
+import log from "electron-log/main";
+import _ from "lodash";
+import deepLowerCaseKeys from "../../util/deepLowercaseKeys";
+import errorTypeCheck from "../../util/errorTypeCheck";
+import { DecodedPfo } from "./decode-pfo.interface";
+
+const DecodePfo = async (
+  extensionlessFilePath: string
+): Promise<DecodedPfo> => {
+  let dbf: DBFFile | null = null;
+  try {
+    dbf = await DBFFile.open(`${extensionlessFilePath}.PFO`);
+  } catch (error) {
+    log.error("Error opening PFO File.", errorTypeCheck(error));
+    dbf = await DBFFile.open(`${extensionlessFilePath}.PFO`);
+    log.log("Trying to find PFO file using regular CIECA Id.");
+  }
+
+  if (!dbf) {
+    log.error(`Could not find any PFO files at ${extensionlessFilePath}`);
+    throw new Error(`Could not find any PFO files at ${extensionlessFilePath}`);
+  }
+
+  const rawDBFRecord = await dbf.readRecords(1);
+
+  //PFO will always have only 1 row.
+  //Commented lines have been cross referenced with existing partner fields.
+
+  const rawPfoData: DecodedPfo = deepLowerCaseKeys(
+    _.pick(rawDBFRecord[0], [
+      //TODO: Add typings for EMS File Formats.
+      "TX_TOW_TY",
+      "TOW_T_TY1",
+      "TOW_T_IN1",
+      "TOW_T_TY2",
+      "TOW_T_IN2",
+      "TOW_T_TY3",
+      "TOW_T_IN3",
+      "TOW_T_TY4",
+      "TOW_T_IN4",
+      "TOW_T_TY5",
+      "TOW_T_IN5",
+      "TOW_T_TY6",
+      "TOW_T_IN6",
+      "TX_STOR_TY",
+      "STOR_T_TY1",
+      "STOR_T_IN1",
+      "STOR_T_TY2",
+      "STOR_T_IN2",
+      "STOR_T_TY3",
+      "STOR_T_IN3",
+      "STOR_T_TY4",
+      "STOR_T_IN4",
+      "STOR_T_TY5",
+      "STOR_T_IN5",
+      "STOR_T_TY6",
+      "STOR_T_IN6",
+    ])
+  );
+
+  //Apply business logic transfomrations.
+
+  return rawPfoData;
+};
+export default DecodePfo;