Add several EMS file formats.

src/main/decoder/decode-stl.ts

@@ -0,0 +1,62 @@
+import { DBFFile } from "dbffile";
+import log from "electron-log/main";
+import _ from "lodash";
+import deepLowerCaseKeys from "../../util/deepLowercaseKeys";
+import errorTypeCheck from "../../util/errorTypeCheck";
+import { DecodedStl } from "./decode-stl.interface";
+
+const DecodeStl = async (
+  extensionlessFilePath: string
+): Promise<DecodedStl[]> => {
+  let dbf: DBFFile | null = null;
+  try {
+    dbf = await DBFFile.open(`${extensionlessFilePath}.STL`);
+  } catch (error) {
+    log.error("Error opening STL File.", errorTypeCheck(error));
+  }
+
+  if (!dbf) {
+    log.error(`Could not find any STL files at ${extensionlessFilePath}`);
+    throw new Error(`Could not find any STL files at ${extensionlessFilePath}`);
+  }
+
+  const rawDBFRecord = await dbf.readRecords();
+
+  //AD2 will always have only 1 row.
+  //Commented lines have been cross referenced with existing partner fields.
+
+  const rawStlData: DecodedStl[] = rawDBFRecord.map((record) => {
+    const singleLineData: DecodedStl = deepLowerCaseKeys(
+      _.pick(record, [
+        //TODO: Add typings for EMS File Formats.
+        "TTL_TYPE",
+        "TTL_TYPECD",
+        "T_AMT",
+        "T_HRS",
+        "T_ADDLBR",
+        "T_DISCAMT",
+        "T_MKUPAMT",
+        "T_GDISCAMT",
+        "TAX_AMT",
+        "NT_AMT",
+        "NT_HRS",
+        "NT_ADDLBR",
+        "NT_DISC",
+        "NT_MKUP",
+        "NT_GDIS",
+        "TTL_TYPAMT",
+        "TTL_HRS",
+        "TTL_AMT",
+      ])
+    );
+    //Apply line by line adjustments.
+
+    return singleLineData;
+  });
+
+  //Apply business logic transfomrations.
+  //We don't have an inspection date, we instead have `date_estimated`
+
+  return rawStlData;
+};
+export default DecodeStl;