renaming 'tunnel' to 'dwg' in urls and views

core/views/surveys.py

@@ -16,22 +16,30 @@ import parsers.surveys
 as does the urls.py dispatcher which sends them here. Here they should actually have the filetype checked 
 by looking inside the file before being served.
 
- need to check if inavlid query string is invalid, or produces multiple replies
- and render a user-friendly error page.
+need to check if inavlid query string is invalid, or produces multiple replies
+and render a user-friendly error page.
 '''
 
 def surveyscansfolder(request, path):
     #print [ s.walletname  for s in ScansFolder.objects.all() ]
-    scansfolder = ScansFolder.objects.get(walletname=urlunquote(path))  # need to check if inavlid query string and produce friendly error
-    return render(request, 'scansfolder.html', { 'scansfolder':scansfolder, 'settings': settings })
+    try:
+        scansfolder = ScansFolder.objects.get(walletname=urlunquote(path))  
+        return render(request, 'scansfolder.html', { 'scansfolder':scansfolder, 'settings': settings })
+    except:
+        message = f'Scan folder error or not found \'{path}\' .'
+        return render(request, 'errors/generic.html', {'message': message})   
 
 def surveyscansingle(request, path, file):
-    '''sends a single binary file to the user,
+    '''sends a single binary file to the user for display - browser decides how using mimetype
     '''
-    scansfolder = ScansFolder.objects.get(walletname=urlunquote(path)) # need to check if inavlid query string and produce friendly error
-    singlescan = SingleScan.objects.get(scansfolder=scansfolder, name=file)
-    # print(" - surveyscansingle {}:{}:{}:".format(path, file, getmimetype(file)))
-    return HttpResponse(content=open(singlescan.ffile,"rb"), content_type=getmimetype(file)) # any type of image
+    try:
+        scansfolder = ScansFolder.objects.get(walletname=urlunquote(path)) 
+        singlescan = SingleScan.objects.get(scansfolder=scansfolder, name=file)
+        # print(" - surveyscansingle {}:{}:{}:".format(path, file, getmimetype(file)))
+        return HttpResponse(content=open(singlescan.ffile,"rb"), content_type=getmimetype(file)) # any type of image
+    except:
+        message = f'Scan folder or scan item error or not found \'{path}\'  and \'{file}\'.'
+        return render(request, 'errors/generic.html', {'message': message})   
 
 
 def surveyscansfolders(request):
@@ -39,16 +47,23 @@ def surveyscansfolders(request):
     return render(request, 'manyscansfolders.html', { 'manyscansfolders':manyscansfolders, 'settings': settings })
     
     
-def tunneldata(request):
+def dwgdata(request):
+    '''Report on all the drawing files in the system. These were loaded by parsing the entire directory tree
+    '''
     tunnelfiles = TunnelFile.objects.all()
-    return render(request, 'tunnelfiles.html', { 'tunnelfiles':tunnelfiles, 'settings': settings })
+    return render(request, 'dwgfiles.html', { 'tunnelfiles':tunnelfiles, 'settings': settings })
     
 
 def dwgfilesingle(request, path):
     '''sends a single binary file to the user, We should have a renderer that syntax-colours this Tunnel xml 
     but it might be a Therion file
     '''
-    tunnelfile = TunnelFile.objects.get(tunnelpath=urlunquote(path)) # need to check if invalid query string and produce friendly error
+    try:
+        tunnelfile = TunnelFile.objects.get(tunnelpath=urlunquote(path)) 
+    except:
+        message = f'Drawing file error or not found \'{path}\' .'
+        return render(request, 'errors/generic.html', {'message': message})   
+        
     tfile = Path(settings.TUNNEL_DATA, tunnelfile.tunnelpath)
     try: # for display not download
         return HttpResponse(content=open(tfile, errors='strict'), content_type="text/xhtml") 
@@ -63,12 +78,18 @@ def dwgfilesingle(request, path):
         return HttpResponse(content="Unable to understand the encoding for this file: not UTF-8 nor iso-8859-1, or some other read error happened.") 
     
     
-def tunnelfileupload(request, path):
-    tunnelfile = TunnelFile.objects.get(tunnelpath=urlunquote(path)) # need to check if inavlid query string and produce friendly error
+def dwgfileupload(request, path):
+    '''uploads a drawing file, but where is the Form? This just processes POST info. Apparently unfinished?
+    '''
+    try:
+        tunnelfile = TunnelFile.objects.get(tunnelpath=urlunquote(path)) # need to check if inavlid query string and produce friendly error
+    except:
+        message = f'Drawing file error or not found \'{path}\' .'
+        return render(request, 'errors/generic.html', {'message': message})   
     tfile = Path(settings.TUNNEL_DATA, tunnelfile.tunnelpath)
     
     project, user, password, tunnelversion = request.POST["tunnelproject"], request.POST["tunneluser"], request.POST["tunnelpassword"], request.POST["tunnelversion"]
-    print((project, user, tunnelversion))
+    print(project, user, tunnelversion)
     
     
     if not (len(list(request.FILES.values())) == 1): # "only one file to upload"