Merge pull request #777 from Gluejar/doab-misc

Doab misc

core/loaders/utils.py

@@ -369,7 +369,7 @@ DROPBOX_DL = re.compile(r'"(https://dl.dropboxusercontent.com/content_link/[^"]+
 
 def dl_online(ebook):
     if ebook.format != 'online':
-        return
+        return None, False
         
     if ebook.url.find(u'dropbox.com/s/') >= 0:
         response = requests.get(ebook.url, headers={"User-Agent": settings.USER_AGENT})
@@ -387,7 +387,7 @@ def dl_online(ebook):
                 
 def make_dl_ebook(url, ebook):
     if EbookFile.objects.filter(source=ebook.url):
-        return EbookFile.objects.filter(source=ebook.url)[0]
+        return EbookFile.objects.filter(source=ebook.url)[0], False
     response = requests.get(url, headers={"User-Agent": settings.USER_AGENT})
     if response.status_code == 200:
         filesize = int(response.headers.get("Content-Length", 0))
@@ -413,7 +413,7 @@ def make_dl_ebook(url, ebook):
             )
             new_ebf.ebook = new_ebook
             new_ebf.save()
-            return new_ebf
+            return new_ebf, True
 
 def type_for_url(url, content_type=None):
     if not url:

core/management/commands/harvest_online_ebooks.py

@@ -12,8 +12,8 @@ class Command(BaseCommand):
         onlines = Ebook.objects.filter(format='online')
         done = 0
         for online in onlines:
-            new_ebf = dl_online(online)
-            if new_ebf:
+            new_ebf, new = dl_online(online)
+            if new_ebf and new:
                 done += 1
                 if done > limit:
                     break

core/parameters.py

@@ -42,7 +42,7 @@ OTHER_ID_CHOICES = (
     ('edid', 'pragmatic edition ID'),
 )
 
-WORK_IDENTIFIERS = ('doi','olwk','glue','ltwk', 'http')
+WORK_IDENTIFIERS = ('doi','olwk','glue','ltwk', 'http', 'doab')
 
 ID_CHOICES_MAP = dict(ID_CHOICES)
 

frontend/forms/bibforms.py

@@ -149,14 +149,27 @@ class EditionForm(forms.ModelForm):
         id_type = self.cleaned_data['id_type']
         id_value = self.cleaned_data.get('id_value','').strip()
         if id_value:
-            identifier = Identifier.objects.filter(type=id_type, value=id_value)
-            if identifier:
-                err_msg = "{} is a duplicate for work #{}.".format(identifier[0], identifier[0].work_id)
-                self.add_error('id_value', forms.ValidationError(err_msg))
             try:
-                self.cleaned_data['id_value'] = identifier_cleaner(id_type)(id_value)
+                id_value = identifier_cleaner(id_type)(id_value)
+                identifier = Identifier.objects.filter(type=id_type, value=id_value)
+                ident = identifier[0] if identifier else None
+                if not ident or not self.instance:
+                    self.cleaned_data['id_value'] = id_value
+                elif ident.edition_id == self.instance.id:
+                    self.cleaned_data['id_value'] = id_value
+                elif not ident.edition_id and ident.work_id == self.instance.work_id:
+                    self.cleaned_data['id_value'] = id_value
+                else:
+                    if ident.edition_id:
+                        err_msg = "{} is a duplicate for edition #{}.".format(id_value, ident.edition_id)
+                    else:
+                        err_msg = "{} is a duplicate for work #{}.".format(id_value, ident.work_id)
+                    self.add_error('id_value', forms.ValidationError(err_msg))
             except forms.ValidationError, ve:
-                self.add_error('id_value', forms.ValidationError('{}: {}'.format(ve.message, id_value)))
+                self.add_error(
+                    'id_value',
+                    forms.ValidationError('{}: {}'.format(ve.message, id_value))
+                )
         return self.cleaned_data
 
     class Meta:

frontend/views/bibedit.py

@@ -303,6 +303,12 @@ def edit_edition(request, work_id, edition_id, by=None):
                 id_type = form.cleaned_data['id_type']
                 id_val = form.cleaned_data['id_value']
                 if id_val == 'delete':
+                    if id_type in WORK_IDENTIFIERS:
+                        if edition.work.identifiers.exclude(type=id_type):
+                            edition.work.identifiers.filter(type=id_type).delete()
+                        else:
+                            alert = ('Can\'t delete identifier -  must have at least one left.')
+                    else:
                         if edition.identifiers.exclude(type=id_type):
                             edition.identifiers.filter(type=id_type).delete()
                         else: