feat(delmia-notifier): CLI arg parser with required/optional validation

2026-06-26 05:11:19 -04:00
parent 82bde9693e
commit 3e964acff6
2 changed files with 132 additions and 0 deletions
@@ -0,0 +1,73 @@
+namespace ZB.MOM.WW.ScadaBridge.DelmiaNotifier;
+
+/// <summary>Outcome of parsing the command line: success carries the payload, failure carries a human reason.</summary>
+internal sealed record ParseResult(bool Ok, RecipeDownload? Payload, string? Error)
+{
+    public static ParseResult Success(RecipeDownload payload) => new(true, payload, null);
+    public static ParseResult Fail(string error) => new(false, null, error);
+}
+
+/// <summary>
+/// Hand-rolled, reflection-free parser for the legacy WWNotifier flags. Each flag takes one value
+/// (short or long form). The four required flags must be present; the two optional flags may be omitted.
+/// </summary>
+internal static class ArgParser
+{
+    public static ParseResult Parse(string[] args)
+    {
+        var payload = new RecipeDownload();
+
+        for (var i = 0; i < args.Length; i++)
+        {
+            var flag = args[i];
+            if (i + 1 >= args.Length)
+            {
+                return ParseResult.Fail($"missing value for flag '{flag}'");
+            }
+
+            var value = args[++i];
+            switch (flag)
+            {
+                case "-m" or "--machine":
+                    payload.MachineCode = value;
+                    break;
+                case "-d" or "--downloadpath":
+                    payload.DownloadPath = value;
+                    break;
+                case "-w" or "--workorder":
+                    payload.WorkOrderNumber = value;
+                    break;
+                case "-p" or "--partnumber":
+                    payload.PartNumber = value;
+                    break;
+                case "-s" or "--seqop":
+                    payload.JobStepNumber = value;
+                    break;
+                case "-u" or "--username":
+                    payload.Username = value;
+                    break;
+                default:
+                    return ParseResult.Fail($"unknown flag '{flag}'");
+            }
+        }
+
+        if (string.IsNullOrEmpty(payload.MachineCode))
+        {
+            return ParseResult.Fail("missing required flag -m/--machine");
+        }
+        if (string.IsNullOrEmpty(payload.DownloadPath))
+        {
+            return ParseResult.Fail("missing required flag -d/--downloadpath");
+        }
+        if (string.IsNullOrEmpty(payload.WorkOrderNumber))
+        {
+            return ParseResult.Fail("missing required flag -w/--workorder");
+        }
+        if (string.IsNullOrEmpty(payload.PartNumber))
+        {
+            return ParseResult.Fail("missing required flag -p/--partnumber");
+        }
+
+        return ParseResult.Success(payload);
+    }
+}