2ik · 2ik · Oct 12, 2021 · Oct 12, 2021 · Oct 12, 2021 · Oct 12, 2021
diff --git a/README.md b/README.md
@@ -33,21 +33,21 @@ pip install django-editorjs-fields --upgrade
 python manage.py collectstatic  # upgrade js and css files
 ```
 
-
 ## Usage
 
 Add code in your model
 
 ```python
 # models.py
 from django.db import models
-from django_editorjs_fields import EditorJsJSONField, EditorJsTextField
+from django_editorjs_fields import EditorJsJSONFiel  # Django >= 3.1
+from django_editorjs_fields import EditorJsTextField
 
 
 class Post(models.Model):
     body_default = models.TextField()
     body_editorjs = EditorJsJSONField()  # Django >= 3.1
-    body_editorjs_text = EditorJsTextField()  # Django <= 3.0
+    body_editorjs_text = EditorJsTextField()
 
 ```
 
@@ -65,7 +65,7 @@ class Post(models.Model):
     <title>Document</title>
   </head>
   <body>
-    {% load editorjs %} 
+    {% load editorjs %}
     {{ post.body_default }}
     {{ post.body_editorjs | editorjs}}
     {{ post.body_editorjs_text | editorjs}}
@@ -165,7 +165,7 @@ EDITORJS_DEFAULT_CONFIG_TOOLS = {
     'Image': {
         'class': 'ImageTool',
         'inlineToolbar': True,
-        "config": {"endpoints": {"byFile": "/editorjs/image_upload/"}},
+        "config": {"endpoints": {"byFile": reverse_lazy('editorjs_image_upload')}},
     },
     'Header': {
         'class': 'Header',
@@ -185,7 +185,12 @@ EDITORJS_DEFAULT_CONFIG_TOOLS = {
     'Embed': {'class': 'Embed'},
     'Delimiter': {'class': 'Delimiter'},
     'Warning': {'class': 'Warning', 'inlineToolbar': True},
-    'LinkTool': {'class': 'LinkTool'},
+    'LinkTool': {
+        'class': 'LinkTool',
+        'config': {
+            'endpoint': reverse_lazy('editorjs_linktool'),
+        }
+    },
     'Marker': {'class': 'Marker', 'inlineToolbar': True},
     'Table': {'class': 'Table', 'inlineToolbar': True},
 }
@@ -283,15 +288,15 @@ plugin use css property [prefers-color-scheme](https://developer.mozilla.org/en-
 The application can be configured by editing the project's `settings.py`
 file.
 
-| Key                               | Description                                                            | Default               | Type                                                                                                                                                    |
-| --------------------------------- | ---------------------------------------------------------------------- | --------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `EDITORJS_DEFAULT_PLUGINS`        | List of plugins names Editor.js from npm                               | [See above](#plugins) | `list[str]`, `tuple[str]`                                                                                                                               |
-| `EDITORJS_DEFAULT_CONFIG_TOOLS`   | Map of Tools to use                                                    | [See above](#plugins) | `dict[str, dict]`                                                                                                                                       |
-| `EDITORJS_IMAGE_UPLOAD_PATH`      | Path uploads images                                                    | `uploads/images/`     | `str`                                                                                                                                                   |
-| `EDITORJS_IMAGE_UPLOAD_PATH_DATE` | Subdirectories                                                         | `%Y/%m/`              | `str`                                                                                                                                                   |
-| `EDITORJS_IMAGE_NAME_ORIGINAL`    | To use the original name of the image file?                            | `False`               | `bool`                                                                                                                                                  |
+| Key                               | Description                                                            | Default               | Type                                                                                                                     |
+| --------------------------------- | ---------------------------------------------------------------------- | --------------------- | ------------------------------------------------------------------------------------------------------------------------ |
+| `EDITORJS_DEFAULT_PLUGINS`        | List of plugins names Editor.js from npm                               | [See above](#plugins) | `list[str]`, `tuple[str]`                                                                                                |
+| `EDITORJS_DEFAULT_CONFIG_TOOLS`   | Map of Tools to use                                                    | [See above](#plugins) | `dict[str, dict]`                                                                                                        |
+| `EDITORJS_IMAGE_UPLOAD_PATH`      | Path uploads images                                                    | `uploads/images/`     | `str`                                                                                                                    |
+| `EDITORJS_IMAGE_UPLOAD_PATH_DATE` | Subdirectories                                                         | `%Y/%m/`              | `str`                                                                                                                    |
+| `EDITORJS_IMAGE_NAME_ORIGINAL`    | To use the original name of the image file?                            | `False`               | `bool`                                                                                                                   |
 | `EDITORJS_IMAGE_NAME`             | Image file name. Ignored when `EDITORJS_IMAGE_NAME_ORIGINAL` is `True` | `token_urlsafe(8)`    | `callable(filename: str, file: InMemoryUploadedFile)` ([docs](https://docs.djangoproject.com/en/3.0/ref/files/uploads/)) |
-| `EDITORJS_VERSION`                | Version Editor.js                                                      | `2.22.3`              | `str`                                                                                                                                                   |
+| `EDITORJS_VERSION`                | Version Editor.js                                                      | `2.22.3`              | `str`                                                                                                                    |
 
 For `EDITORJS_IMAGE_NAME` was used `from secrets import token_urlsafe`
 

diff --git a/django_editorjs_fields/__init__.py b/django_editorjs_fields/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.2.3"
+__version__ = "0.2.4"
 
 from .fields import EditorJsJSONField, EditorJsTextField
 from .widgets import EditorJsWidget

diff --git a/django_editorjs_fields/config.py b/django_editorjs_fields/config.py
@@ -65,7 +65,13 @@
         'Embed': {'class': 'Embed'},
         'Delimiter': {'class': 'Delimiter'},
         'Warning': {'class': 'Warning', 'inlineToolbar': True},
-        'LinkTool': {'class': 'LinkTool'},
+        'LinkTool': {
+            'class': 'LinkTool',
+            'config': {
+                # Backend endpoint for url data fetching
+                'endpoint': reverse_lazy('editorjs_linktool'),
+            }
+        },
         'Marker': {'class': 'Marker', 'inlineToolbar': True},
         'Table': {'class': 'Table', 'inlineToolbar': True},
     }

diff --git a/django_editorjs_fields/templatetags/editorjs.py b/django_editorjs_fields/templatetags/editorjs.py
@@ -99,6 +99,34 @@ def generate_embed(data):
     return f'<div class="embed {service}">{iframe}{caption}</div>'
 
 
+def generate_link(data):
+
+    link, meta = data.get('link'), data.get('meta')
+
+    if not link or not meta:
+        return ''
+
+    title = meta.get('title')
+    description = meta.get('description')
+    image = meta.get('image')
+
+    wrapper = f'<div class="link-block"><a href="{ link }" target="_blank" rel="nofollow noopener noreferrer">'
+
+    if image.get('url'):
+        image_url = image.get('url')
+        wrapper += f'<div class="link-block__image" style="background-image: url(\'{image_url}\');"></div>'
+
+    if title:
+        wrapper += f'<p class="link-block__title">{title}</p>'
+
+    if description:
+        wrapper += f'<p class="link-block__description">{description}</p>'
+
+    wrapper += f'<p class="link-block__link">{link}</p>'
+    wrapper += '</a></div>'
+    return wrapper
+
+
 @register.filter(is_safe=True)
 def editorjs(value):
     if not value or value == 'null':
@@ -139,5 +167,7 @@ def editorjs(value):
             html_list.append(generate_embed(data))
         elif type == 'Quote':
             html_list.append(generate_quote(data))
+        elif type == 'LinkTool':
+            html_list.append(generate_link(data))
 
     return mark_safe(''.join(html_list))
diff --git a/django_editorjs_fields/urls.py b/django_editorjs_fields/urls.py
@@ -1,12 +1,17 @@
 from django.contrib.admin.views.decorators import staff_member_required
 from django.urls import path
 
-from .views import ImageUploadView
+from .views import ImageUploadView, LinkToolView
 
 urlpatterns = [
     path(
         'image_upload/',
         staff_member_required(ImageUploadView.as_view()),
         name='editorjs_image_upload',
     ),
+    path(
+        'linktool/',
+        staff_member_required(LinkToolView.as_view()),
+        name='editorjs_linktool',
+    ),
 ]
diff --git a/django_editorjs_fields/views.py b/django_editorjs_fields/views.py
@@ -1,6 +1,14 @@
+import json
+import logging
 import os
 from datetime import datetime
+from urllib.error import HTTPError, URLError
+from urllib.parse import urlencode
+from urllib.request import Request, urlopen
 
+# from django.conf import settings
+from django.core.exceptions import ValidationError
+from django.core.validators import URLValidator
 from django.http import JsonResponse
 from django.utils.decorators import method_decorator
 from django.views import View
@@ -10,9 +18,12 @@
                      IMAGE_UPLOAD_PATH_DATE)
 from .utils import storage
 
+LOGGER = logging.getLogger('django_editorjs_fields')
+
 
 class ImageUploadView(View):
     http_method_names = ["post"]
+    # http_method_names = ["post", "delete"]
 
     @method_decorator(csrf_exempt)
     def dispatch(self, request, *args, **kwargs):
@@ -35,9 +46,6 @@ def post(self, request):
                     {'success': 0, 'message': 'You can only upload images.'}
                 )
 
-            # filesize = len(the_file['content'])
-            # filetype = the_file['content-type']
-
             filename, extension = os.path.splitext(the_file.name)
 
             if IMAGE_NAME_ORIGINAL is False:
@@ -57,3 +65,82 @@ def post(self, request):
 
             return JsonResponse({'success': 1, 'file': {"url": link}})
         return JsonResponse({'success': 0})
+
+    # def delete(self, request):
+    #     path_file = request.GET.get('pathFile')
+
+    #     if not path_file:
+    #         return JsonResponse({'success': 0, 'message': 'Parameter "pathFile" Not Found'})
+
+    #     base_dir = getattr(settings, "BASE_DIR", '')
+    #     path_file = f'{base_dir}{path_file}'
+
+    #     if not os.path.isfile(path_file):
+    #         return JsonResponse({'success': 0, 'message': 'File Not Found'})
+
+    #     os.remove(path_file)
+
+    #     return JsonResponse({'success': 1})
+
+
+class LinkToolView(View):
+    http_method_names = ["get"]
+
+    @method_decorator(csrf_exempt)
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
+
+    def get(self, request):
+
+        url = request.GET.get('url', '')
+
+        LOGGER.debug('Starting to get meta for: %s', url)
+
+        if not any([url.startswith(s) for s in ('http://', 'https://')]):
+            LOGGER.debug('Adding the http protocol to the link: %s', url)
+            url = 'http://' + url
+
+        validate = URLValidator(schemes=['http', 'https'])
+
+        try:
+            validate(url)
+        except ValidationError as e:
+            LOGGER.error(e)
+        else:
+            try:
+                LOGGER.debug('Let\'s try to get meta from: %s', url)
+
+                full_url = 'https://api.microlink.io/?' + \
+                    urlencode({'url': url})
+
+                req = Request(full_url, headers={
+                    'User-Agent': request.META.get('HTTP_USER_AGENT', 'Mozilla/5.0 (Windows NT 6.1; Win64; x64)')
+                })
+                res = urlopen(req)
+            except HTTPError as e:
+                LOGGER.error('The server couldn\'t fulfill the request.')
+                LOGGER.error('Error code: %s %s', e.code, e.msg)
+            except URLError as e:
+                LOGGER.error('We failed to reach a server. url: %s', url)
+                LOGGER.error('Reason: %s', e.reason)
+            else:
+                res_body = res.read()
+                res_json = json.loads(res_body.decode("utf-8"))
+
+                if 'success' in res_json.get('status'):
+                    data = res_json.get('data')
+
+                    if data:
+                        LOGGER.debug('Response meta: %s', data)
+                        meta = {}
+                        meta['title'] = data.get('title')
+                        meta['description'] = data.get('description')
+                        meta['image'] = data.get('image')
+
+                        return JsonResponse({
+                            'success': 1,
+                            'link': data.get('url', url),
+                            'meta': meta
+                        })
+
+        return JsonResponse({'success': 0})
diff --git a/django_editorjs_fields/widgets.py b/django_editorjs_fields/widgets.py
@@ -3,7 +3,6 @@
 from django.core.serializers.json import DjangoJSONEncoder
 from django.forms import Media, widgets
 from django.forms.renderers import get_default_renderer
-from django.forms.utils import flatatt
 from django.utils.encoding import force_str
 from django.utils.functional import Promise, cached_property
 from django.utils.html import conditional_escape

diff --git a/example/.gitignore b/example/.gitignore
@@ -1 +1,2 @@
-media/
+media/
+*.log
diff --git a/example/blog/admin.py b/example/blog/admin.py
@@ -4,7 +4,7 @@
 
 class CommentInline(admin.TabularInline):
     model = Comment
-    extra = 2
+    extra = 0
 
     fields = ('content',)
 

diff --git a/example/example/settings.py b/example/example/settings.py
@@ -94,6 +94,35 @@
     }
 }
 
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'formatters': {
+        'standard': {
+            'format': '%(asctime)s %(filename)s:%(lineno)d %(levelname)s - %(message)s'
+        },
+    },
+    'handlers': {
+        'console': {
+            'class': 'logging.StreamHandler',
+        },
+        'django_editorjs_fields': {
+            'level': 'DEBUG',
+            'class': 'logging.handlers.RotatingFileHandler',
+            'filename': 'django_editorjs_fields.log',
+            'maxBytes': 1024*1024*5,  # 5 MB
+            'backupCount': 5,
+            'formatter': 'standard',
+        },
+    },
+    'loggers': {
+        'django_editorjs_fields': {
+            'handlers': ['django_editorjs_fields', 'console'],
+            'level': 'DEBUG',
+        },
+    },
+}
+
 
 # Password validation
 # https://docs.djangoproject.com/en/3.1/ref/settings/#auth-password-validators

diff --git a/pyproject.toml b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "django-editorjs-fields"
-version = "0.2.3"
+version = "0.2.4"
 description = "Django plugin for using Editor.js"
 authors = ["Ilya Kotlyakov <[email protected]>"]
 license = "MIT"
@@ -24,6 +24,7 @@ classifiers = [
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
     "Topic :: Software Development :: Libraries :: Application Frameworks",
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
-Original file line number
+Diff line change
@@ -1 +1,2 @@
-    media/
+    media/
+    *.log