Merge pull request #24 from chibicitiberiu/development

Import subscriptions from file

app/YtManagerApp/static/YtManagerApp/css/style.css

@@ -119,4 +119,10 @@
   display: inline-block;
   margin-bottom: 0.5rem; }
 
+.btn-toolbar {
+  margin: .5rem 0; }
+  .btn-toolbar .btn {
+    padding: 0.15rem 0.4rem;
+    font-size: 14pt; }
+
 /*# sourceMappingURL=style.css.map */

app/YtManagerApp/static/YtManagerApp/css/style.css.map

@@ -1,6 +1,6 @@
 {
 "version": 3,
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+"mappings": "AAEA,UAAW;EACP,aAAa,EAAE,IAAI;;AAGvB,YAAa;EACT,QAAQ,EAAE,KAAK;EACf,IAAI,EAAE,CAAC;EACP,KAAK,EAAE,CAAC;EACR,MAAM,EAAE,CAAC;EACT,MAAM,EAAE,IAAI;EACZ,WAAW,EAAE,IAAI;EACjB,OAAO,EAAE,SAAS;EAClB,OAAO,EAAE,IAAI;EACb,aAAa,EAAE,MAAM;EACrB,SAAS,EAAE,IAAI;;AAqBnB,uBAAuB;AACvB,kBAAmB;EAlBf,OAAO,EAAE,YAAY;EACrB,KAAK,EAAE,IAAa;EACpB,MAAM,EAAE,IAAa;EAErB,wBAAQ;IACJ,OAAO,EAAE,GAAG;IACZ,OAAO,EAAE,KAAK;IACd,KAAK,EAAE,IAAa;IACpB,MAAM,EAAE,IAAa;IACrB,MAAM,EAAE,GAAG;IACX,aAAa,EAAE,GAAG;IAClB,MAAM,EAAE,iBAAkC;IAC1C,YAAY,EAAE,uCAAmD;IACjE,SAAS,EAAE,sCAAsC;;AASzD,wBAAyB;EAtBrB,OAAO,EAAE,YAAY;EACrB,KAAK,EAAE,IAAa;EACpB,MAAM,EAAE,IAAa;EAErB,8BAAQ;IACJ,OAAO,EAAE,GAAG;IACZ,OAAO,EAAE,KAAK;IACd,KAAK,EAAE,IAAa;IACpB,MAAM,EAAE,IAAa;IACrB,MAAM,EAAE,GAAG;IACX,aAAa,EAAE,GAAG;IAClB,MAAM,EAAE,mBAAkC;IAC1C,YAAY,EAAE,uCAAmD;IACjE,SAAS,EAAE,sCAAsC;;AAazD,4BAOC;EANG,EAAG;IACC,SAAS,EAAE,YAAY;EAE3B,IAAK;IACD,SAAS,EAAE,cAAc;AAIjC,gCAAiC;EAC7B,QAAQ,EAAE,KAAK;EACf,GAAG,EAAE,GAAG;EACR,IAAI,EAAE,GAAG;EACT,UAAU,EAAE,KAAK;EACjB,WAAW,EAAE,KAAK;;AAGtB,cAAe;EACX,QAAQ,EAAE,KAAK;EAAE,oCAAoC;EACrD,OAAO,EAAE,IAAI;EAAE,uBAAuB;EACtC,KAAK,EAAE,IAAI;EAAE,uCAAuC;EACpD,MAAM,EAAE,IAAI;EAAE,wCAAwC;EACtD,GAAG,EAAE,CAAC;EACN,IAAI,EAAE,CAAC;EACP,KAAK,EAAE,CAAC;EACR,MAAM,EAAE,CAAC;EACT,gBAAgB,EAAE,kBAAe;EAAE,mCAAmC;EACtE,OAAO,EAAE,CAAC;EAAE,qFAAqF;EACjG,MAAM,EAAE,OAAO;EAAE,4BAA4B;;AAI7C,4BAAc;EACV,OAAO,EAAE,MAAM;EACf,aAAa,EAAE,KAAK;AAGpB,+BAAW;EACP,OAAO,EAAE,MAAM;AAEnB,+BAAW;EACP,SAAS,EAAE,IAAI;EACf,aAAa,EAAE,KAAK;AAExB,gCAAY;EACR,SAAS,EAAE,IAAI;EACf,aAAa,EAAE,KAAK;EAEpB,uCAAO;IACH,SAAS,EAAE,GAAG;AAGtB,iCAAa;EACT,OAAO,EAAE,YAAY;AAGzB,+BAAW;EACP,YAAY,EAAE,QAAQ;EACtB,qCAAQ;IACJ,eAAe,EAAE,IAAI;AAO7B,8BAAU;EACN,KAAK,EAAE,KAAK;AAKpB,8BAAgB;EACZ,KAAK,EAvHE,OAAO;AAyHlB,6BAAe;EACX,KAAK,EAAE,OAAO;;AAItB,WAAY;EACR,SAAS,EAAE,KAAK;EAChB,MAAM,EAAE,MAAM;;AAId,2BAAe;EACX,OAAO,EAAE,IAAI;;AAIrB,kBAAmB;EACf,MAAM,EAAE,QAAQ;EAChB,OAAO,EAAE,QAAQ;EAEjB,qBAAG;IACC,MAAM,EAAE,CAAC;;AAIjB,YAAa;EACT,OAAO,EAAE,YAAY;EACrB,aAAa,EAAE,MAAM;;AAGzB,YAAa;EACT,MAAM,EAAE,OAAO;EACf,iBAAK;IACD,OAAO,EAAE,cAAc;IACvB,SAAS,EAAE,IAAI",
 "sources": ["style.scss"],
 "names": [],
 "file": "style.css"

app/YtManagerApp/static/YtManagerApp/css/style.scss

@@ -147,4 +147,12 @@ $accent-color: #007bff;
 .star-rating {
     display: inline-block;
     margin-bottom: 0.5rem;
+}
+
+.btn-toolbar {
+    margin: .5rem 0;
+    .btn {
+        padding: 0.15rem 0.4rem;
+        font-size: 14pt;
+    }
 }

app/YtManagerApp/templates/YtManagerApp/controls/subscriptions_import_modal.html

@@ -0,0 +1,22 @@
+{% extends 'YtManagerApp/controls/modal.html' %}
+{% load crispy_forms_tags %}
+
+{% block modal_title %}
+    Import subscriptions
+{% endblock modal_title %}
+
+{% block modal_content %}
+    <form action="{% url 'modal_import_subscriptions' %}" method="post"
+          enctype="multipart/form-data">
+        {{ block.super }}
+    </form>
+{% endblock %}
+
+{% block modal_body %}
+    {% crispy form %}
+{% endblock modal_body %}
+
+{% block modal_footer %}
+    <input class="btn btn-primary" type="submit" value="Import">
+    <input class="btn btn-secondary" type="button" value="Cancel" data-dismiss="modal" aria-label="Cancel">
+{% endblock modal_footer %}

app/YtManagerApp/templates/YtManagerApp/index.html

@@ -29,19 +29,27 @@
         <div class="col-3">
             {# Tree toolbar #}
             <div class="btn-toolbar" role="toolbar" aria-label="Subscriptions toolbar">
-                <div class="btn-group btn-group-sm mr-2" role="group">
+                <div class="btn-group mr-2" role="group">
-                    <button id="btn_create_sub" type="button" class="btn btn-secondary" >
+                    <button id="btn_create_sub" type="button" class="btn btn-light"
+                            data-toggle="tooltip" title="Add subscription...">
                         <span class="typcn typcn-plus" aria-hidden="true"></span>
                     </button>
-                    <button id="btn_create_folder" type="button" class="btn btn-secondary">
+                    <button id="btn_create_folder" type="button" class="btn btn-light"
+                            data-toggle="tooltip" title="Add folder...">
                         <span class="typcn typcn-folder-add" aria-hidden="true"></span>
                     </button>
+                    <button id="btn_import" type="button" class="btn btn-light"
+                            data-toggle="tooltip" title="Import from file...">
+                        <span class="typcn typcn-document-add" aria-hidden="true"></span>
+                    </button>
                 </div>
-                <div class="btn-group btn-group-sm mr-2" role="group">
+                <div class="btn-group mr-2" role="group">
-                    <button id="btn_edit_node" type="button" class="btn btn-secondary" >
+                    <button id="btn_edit_node" type="button" class="btn btn-light"
+                            data-toggle="tooltip" title="Edit selection">
                         <span class="typcn typcn-edit" aria-hidden="true"></span>
                     </button>
-                    <button id="btn_delete_node" type="button" class="btn btn-secondary" >
+                    <button id="btn_delete_node" type="button" class="btn btn-light"
+                            data-toggle="tooltip" title="Delete selection">
                         <span class="typcn typcn-trash" aria-hidden="true"></span>
                     </button>
                 </div>

app/YtManagerApp/templates/YtManagerApp/js/common.js

@@ -53,7 +53,21 @@ class AjaxModal
     _submit(e) {
         let pThis = this;
         let url = this.form.attr('action');
-        $.post(url, this.form.serialize())
+        let ajax_settings = {
+            url: url,
+        };
+
+        if (this.form.attr('enctype') === 'multipart/form-data') {
+            ajax_settings.data = new FormData(this.form[0]);
+            ajax_settings.contentType = false;
+            ajax_settings.processData = false;
+            ajax_settings.cache = false;
+        }
+        else {
+            ajax_settings.data = this.form.serialize();
+        }
+
+        $.post(ajax_settings)
             .done(function(result) {
                 pThis._submitDone(result);
             })

app/YtManagerApp/templates/YtManagerApp/js/index.js

@@ -162,6 +162,9 @@ function videos_Submit(e)
 ///
 $(document).ready(function ()
 {
+    // Initialize tooltips
+    $('[data-toggle="tooltip"]').tooltip();
+
     tree_Initialize();
 
     // Subscription toolbar
@@ -175,6 +178,11 @@ $(document).ready(function ()
         modal.setSubmitCallback(tree_Refresh);
         modal.loadAndShow();
     });
+    $("#btn_import").on("click", function () {
+        let modal = new AjaxModal("{% url 'modal_import_subscriptions' %}");
+        modal.setSubmitCallback(tree_Refresh);
+        modal.loadAndShow();
+    });
     $("#btn_edit_node").on("click", treeNode_Edit);
     $("#btn_delete_node").on("click", treeNode_Delete);
 

app/YtManagerApp/urls.py

@@ -22,7 +22,7 @@ from .views.actions import SyncNowView, DeleteVideoFilesView, DownloadVideoFiles
     MarkVideoUnwatchedView
 from .views.auth import ExtendedLoginView, RegisterView, RegisterDoneView
 from .views.index import index, ajax_get_tree, ajax_get_videos, CreateFolderModal, UpdateFolderModal, DeleteFolderModal, \
-    CreateSubscriptionModal, UpdateSubscriptionModal, DeleteSubscriptionModal
+    CreateSubscriptionModal, UpdateSubscriptionModal, DeleteSubscriptionModal, ImportSubscriptionsModal
 from .views.settings import SettingsView
 
 urlpatterns = [
@@ -50,6 +50,8 @@ urlpatterns = [
 
     path('modal/create_subscription/', CreateSubscriptionModal.as_view(), name='modal_create_subscription'),
     path('modal/create_subscription/<int:parent_folder_id>/', CreateSubscriptionModal.as_view(), name='modal_create_subscription'),
+    path('modal/import_subscriptions/', ImportSubscriptionsModal.as_view(), name='modal_import_subscriptions'),
+    path('modal/import_subscriptions/<int:parent_folder_id>/', ImportSubscriptionsModal.as_view(), name='modal_import_subscriptions'),
     path('modal/update_subscription/<int:pk>/', UpdateSubscriptionModal.as_view(), name='modal_update_subscription'),
     path('modal/delete_subscription/<int:pk>/', DeleteSubscriptionModal.as_view(), name='modal_delete_subscription'),
 

app/YtManagerApp/utils/subscription_file_parser.py

@@ -0,0 +1,108 @@
+from typing import Iterable
+from xml.etree import ElementTree
+import re
+
+
+class FormatNotSupportedError(Exception):
+    pass
+
+
+class SubFileParser(object):
+
+    def probe(self, file_handle) -> bool:
+        """
+        Tests if file matches file format.
+        :param file: File path
+        :return: True if file matches, false otherwise
+        """
+        return False
+
+    def parse(self, file_handle) -> Iterable[str]:
+        """
+        Parses file and returns a list of subscription URLs.
+        :param file:
+        :return:
+        """
+        return []
+
+
+class SubscriptionListFileParser(SubFileParser):
+    """
+    A subscription list file is file which contains just a bunch of URLs.
+    Comments are supported using # character.
+    """
+
+    def __is_url(self, text: str) -> bool:
+        return text.startswith('http://') or text.startswith('https://')
+
+    def probe(self, file_handle):
+        file_handle.seek(0)
+        for line in file_handle:
+            if isinstance(line, bytes) or isinstance(line, bytearray):
+                line = line.decode()
+            # Trim comments and spaces
+            line = re.sub('(^|\s)#.*', '', line).strip()
+            if len(line) > 0:
+                return self.__is_url(line)
+        return False
+
+    def parse(self, file_handle):
+        file_handle.seek(0)
+        for line in file_handle:
+            if isinstance(line, bytes) or isinstance(line, bytearray):
+                line = line.decode()
+            # Trim comments and spaces
+            line = re.sub('(^|\s)#.*', '', line).strip()
+            if len(line) > 0:
+                yield line
+
+
+class OPMLParser(SubFileParser):
+    """
+    Parses OPML files (emitted by YouTube)
+    """
+    def __init__(self):
+        self.__cached_file = None
+        self.__cached_tree: ElementTree.ElementTree = None
+
+    def __parse(self, file_handle):
+        if file_handle == self.__cached_file:
+            return self.__cached_tree
+
+        file_handle.seek(0)
+        tree = ElementTree.parse(file_handle)
+
+        self.__cached_file = file_handle
+        self.__cached_tree = tree
+        return self.__cached_tree
+
+    def probe(self, file_handle):
+        try:
+            tree = self.__parse(file_handle)
+        except ElementTree.ParseError:
+            # Malformed XML
+            return False
+
+        return tree.getroot().tag.lower() == 'opml'
+
+    def parse(self, file_handle):
+        tree = self.__parse(file_handle)
+        root = tree.getroot()
+
+        for node in root.iter('outline'):
+            if 'xmlUrl' in node.keys():
+                yield node.get('xmlUrl')
+
+
+PARSERS = (
+    OPMLParser(),
+    SubscriptionListFileParser()
+)
+
+
+def parse(file_handle) -> Iterable[str]:
+    for parser in PARSERS:
+        if parser.probe(file_handle):
+            return parser.parse(file_handle)
+
+    raise FormatNotSupportedError('This file cannot be parsed!')

app/YtManagerApp/views/index.py

@@ -6,14 +6,16 @@ from django.contrib.auth.mixins import LoginRequiredMixin
 from django.db.models import Q
 from django.http import HttpRequest, HttpResponseBadRequest, JsonResponse
 from django.shortcuts import render
-from django.views.generic import CreateView, UpdateView, DeleteView
+from django.views.generic import CreateView, UpdateView, DeleteView, FormView
 from django.views.generic.edit import FormMixin
 
 from YtManagerApp.management.videos import get_videos
 from YtManagerApp.models import Subscription, SubscriptionFolder, VIDEO_ORDER_CHOICES, VIDEO_ORDER_MAPPING
-from YtManagerApp.utils import youtube
+from YtManagerApp.utils import youtube, subscription_file_parser
 from YtManagerApp.views.controls.modal import ModalMixin
 
+import logging
+
 
 class VideoFilterForm(forms.Form):
     CHOICES_SHOW_WATCHED = (
@@ -346,3 +348,101 @@ class DeleteSubscriptionModal(LoginRequiredMixin, ModalMixin, FormMixin, DeleteV
     def form_valid(self, form):
         self.object.delete_subscription(keep_downloaded_videos=form.cleaned_data['keep_downloaded_videos'])
         return super().form_valid(form)
+
+
+class ImportSubscriptionsForm(forms.Form):
+    TRUE_FALSE_CHOICES = (
+        (None, '(default)'),
+        (True, 'Yes'),
+        (False, 'No')
+    )
+
+    VIDEO_ORDER_CHOICES_WITH_EMPTY = (
+        ('', '(default)'),
+        *VIDEO_ORDER_CHOICES,
+    )
+
+    file = forms.FileField(label='File to import',
+                           help_text='Supported file types: OPML, subscription list')
+    parent_folder = forms.ModelChoiceField(SubscriptionFolder.objects, required=False)
+    auto_download = forms.ChoiceField(choices=TRUE_FALSE_CHOICES, required=False)
+    download_limit = forms.IntegerField(required=False)
+    download_order = forms.ChoiceField(choices=VIDEO_ORDER_CHOICES_WITH_EMPTY, required=False)
+    delete_after_watched = forms.ChoiceField(choices=TRUE_FALSE_CHOICES, required=False)
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.yt_api = youtube.YoutubeAPI.build_public()
+        self.helper = FormHelper()
+        self.helper.form_tag = False
+        self.helper.layout = Layout(
+            'file',
+            'parent_folder',
+            HTML('<hr>'),
+            HTML('<h5>Download configuration overloads</h5>'),
+            'auto_download',
+            'download_limit',
+            'download_order',
+            'delete_after_watched'
+        )
+
+    def __clean_empty_none(self, name: str):
+        data = self.cleaned_data[name]
+        if isinstance(data, str) and len(data) == 0:
+            return None
+        return data
+
+    def __clean_boolean(self, name: str):
+        data = self.cleaned_data[name]
+        if isinstance(data, str) and len(data) == 0:
+            return None
+        if isinstance(data, str):
+            return data == 'True'
+        return data
+
+    def clean_auto_download(self):
+        return self.__clean_boolean('auto_download')
+
+    def clean_delete_after_watched(self):
+        return self.__clean_boolean('delete_after_watched')
+
+    def clean_download_order(self):
+        return self.__clean_empty_none('download_order')
+
+
+class ImportSubscriptionsModal(LoginRequiredMixin, ModalMixin, FormView):
+    template_name = 'YtManagerApp/controls/subscriptions_import_modal.html'
+    form_class = ImportSubscriptionsForm
+
+    def form_valid(self, form):
+        file = form.cleaned_data['file']
+
+        # Parse file
+        try:
+            url_list = list(subscription_file_parser.parse(file))
+        except subscription_file_parser.FormatNotSupportedError:
+            return super().modal_response(form, success=False,
+                                          error_msg="The file could not be parsed! "
+                                                    "Possible problems: format not supported, file is malformed.")
+
+        print(form.cleaned_data)
+
+        # Create subscriptions
+        api = youtube.YoutubeAPI.build_public()
+        for url in url_list:
+            sub = Subscription()
+            sub.user = self.request.user
+            sub.parent_folder = form.cleaned_data['parent_folder']
+            sub.auto_download = form.cleaned_data['auto_download']
+            sub.download_limit = form.cleaned_data['download_limit']
+            sub.download_order = form.cleaned_data['download_order']
+            sub.delete_after_watched = form.cleaned_data['delete_after_watched']
+            try:
+                sub.fetch_from_url(url, api)
+            except Exception as e:
+                logging.error("Import subscription error - error processing URL %s: %s", url, e)
+                continue
+
+            sub.save()
+
+        return super().form_valid(form)

examples/import_subscriptions/opml_list.opml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<opml version="1.1">
+  <body>
+    <outline text="YouTube Subscriptions" title="YouTube Subscriptions">
+      <outline text="Doctor Mike" title="Doctor Mike" type="rss"
+        xmlUrl="https://www.youtube.com/feeds/videos.xml?channel_id=UC0QHWhjbe5fGJEPz3sVb6nw"/>
+      <outline text="Internet Historian" title="Internet Historian" type="rss"
+        xmlUrl="https://www.youtube.com/feeds/videos.xml?channel_id=UCR1D15p_vdP3HkrH8wgjQRw"/>
+      <outline text="GDC" title="GDC" type="rss"
+        xmlUrl="https://www.youtube.com/feeds/videos.xml?channel_id=UC0JB7TSe49lg56u6qH8y_MQ"/>
+      <outline text="Smarter Every Day 2" title="Smarter Every Day 2" type="rss"
+        xmlUrl="https://www.youtube.com/feeds/videos.xml?channel_id=UC8VkNBOwvsTlFjoSnNSMmxw"/>
+      <outline text="TotalBiscuit" title="TotalBiscuit" type="rss"
+        xmlUrl="https://www.youtube.com/feeds/videos.xml?channel_id=UCy1Ms_5qBTawC-k7PVjHXKQ"/>
+      <outline text="LastWeekTonight" title="LastWeekTonight" type="rss"
+        xmlUrl="https://www.youtube.com/feeds/videos.xml?channel_id=UC3XTzVzaHQEd30rQbuvCtTQ"/>
+    </outline>
+  </body>
+</opml>

examples/import_subscriptions/subscription_list.txt

@@ -0,0 +1,10 @@
+
+# This is a comment, it shold be ignored
+
+# ##Blank lines as well
+
+https://www.youtube.com/channel/UCMtFAi84ehTSYSE9XoHefig
+   https://www.youtube.com/user/adric22
+
+
+   https://www.youtube.com/watch?v=IuLxX07isNg&list=PLfABUWdDse7antKQRPnYLNJ6tv_hMYwIs #Comment after URL