Merge remote-tracking branch 'cover_images/thumbnails' into cover_thumbnail

# Conflicts:
#	cps/admin.py
#	cps/config_sql.py
#	cps/helper.py
#	cps/tasks/upload.py
#	cps/updater.py
#	cps/web.py

cps/admin.py

@@ -40,11 +40,13 @@ from sqlalchemy.exc import IntegrityError, OperationalError, InvalidRequestError
 from sqlalchemy.sql.expression import func, or_, text
 
 from . import constants, logger, helper, services, cli
-from . import db, calibre_db, ub, web_server, get_locale, config, updater_thread, babel, gdriveutils, kobo_sync_status
+from . import db, calibre_db, ub, web_server, get_locale, config, updater_thread, babel, gdriveutils, \
+    kobo_sync_status, schedule
 from .helper import check_valid_domain, send_test_mail, reset_password, generate_password_hash, check_email, \
     valid_email, check_username
 from .gdriveutils import is_gdrive_ready, gdrive_support
 from .render_template import render_title_template, get_sidebar_config
+from .services.worker import WorkerThread
 from . import debug_info, _BABEL_TRANSLATIONS
 
 from functools import wraps
@@ -1635,6 +1637,45 @@ def update_mailsettings():
     return edit_mailsettings()
 
 
+@admi.route("/admin/scheduledtasks")
+@login_required
+@admin_required
+def edit_scheduledtasks():
+    content = config.get_scheduled_task_settings()
+    return render_title_template("schedule_edit.html", config=content, title=_(u"Edit Scheduled Tasks Settings"))
+
+
+@admi.route("/admin/scheduledtasks", methods=["POST"])
+@login_required
+@admin_required
+def update_scheduledtasks():
+    to_save = request.form.to_dict()
+    _config_int(to_save, "schedule_start_time")
+    _config_int(to_save, "schedule_end_time")
+    _config_checkbox(to_save, "schedule_generate_book_covers")
+    _config_checkbox(to_save, "schedule_generate_series_covers")
+
+    try:
+        config.save()
+        flash(_(u"Scheduled tasks settings updated"), category="success")
+
+        # Cancel any running tasks
+        schedule.end_scheduled_tasks()
+
+        # Re-register tasks with new settings
+        schedule.register_scheduled_tasks()
+    except IntegrityError as ex:
+        ub.session.rollback()
+        log.error("An unknown error occurred while saving scheduled tasks settings")
+        flash(_(u"An unknown error occurred. Please try again later."), category="error")
+    except OperationalError:
+        ub.session.rollback()
+        log.error("Settings DB is not Writeable")
+        flash(_("Settings DB is not Writeable"), category="error")
+
+    return edit_scheduledtasks()
+
+
 @admi.route("/admin/user/<int:user_id>", methods=["GET", "POST"])
 @login_required
 @admin_required
@@ -1911,3 +1952,13 @@ def extract_dynamic_field_from_filter(user, filtr):
 def extract_user_identifier(user, filtr):
     dynamic_field = extract_dynamic_field_from_filter(user, filtr)
     return extract_user_data_from_field(user, dynamic_field)
+
+
+@admi.route("/ajax/canceltask", methods=['POST'])
+@login_required
+@admin_required
+def cancel_task():
+    task_id = request.get_json().get('task_id', None)
+    worker = WorkerThread.get_instance()
+    worker.end_task(task_id)
+    return ""