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Archive/ApiControllers/AttachmentsController.cs

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+using Microsoft.AspNetCore.Mvc;
+using OI.Metrology.Shared.DataModels;
+using OI.Metrology.Shared.Repositories;
+using OI.Metrology.Shared.Services;
+using System;
+using System.IO;
+
+namespace OI.Metrology.Archive.ApiControllers;
+public class AttachmentsController : Controller
+{
+    protected IMetrologyRepo _Repo;
+    protected IAttachmentsService _AttachmentsService;
+
+    public AttachmentsController(IMetrologyRepo repo, IAttachmentsService attachmentsService)
+    {
+        _Repo = repo;
+        _AttachmentsService = attachmentsService;
+    }
+
+    // this endpoint was created in hope that it would make retrieving attachments to display in OpenInsight easier
+    // url would be like /api/attachments/mercuryprobe/header/HgProbe_66-232268-4329_20180620052640032/data.pdf
+
+    [HttpGet("/api/attachments/{toolTypeName}/{tabletype}/{title}/{filename}")]
+    public IActionResult GetAttachment(
+        string toolTypeName,
+        string tabletype,
+        string title,
+        string filename)
+    {
+        ToolType tt = _Repo.GetToolTypeByName(toolTypeName);
+
+        bool header = !string.Equals(tabletype.Trim(), "data", StringComparison.OrdinalIgnoreCase);
+
+        try
+        {
+            string contenttype = "application/pdf";
+            if (filename.ToLower().TrimEnd().EndsWith(".txt"))
+                contenttype = "text/plain";
+
+            Stream fs = _AttachmentsService.GetAttachmentStreamByTitle(tt, header, title, filename);
+            return File(fs, contenttype);
+        }
+        catch (Exception ex)
+        {
+            return Content(ex.Message);
+        }
+
+    }
+
+}