Finish up adding books implementation

Still needs to add the new book to the existing book list, so that the
book list does not need to be refreshed to see the book.

src/calibre/srv/cdb.py

@@ -82,6 +82,7 @@ def cdb_add_book(ctx, rd, job_id, add_duplicates, filename, library_id):
     add_duplicates = add_duplicates in ('y', '1')
     path = os.path.join(rd.tdir, sfilename)
     rd.request_body_file.name = path
+    rd.request_body_file.seek(0)
     mi = get_metadata(rd.request_body_file, stream_type=fmt, use_libprs_metadata=True)
     rd.request_body_file.seek(0)
     ids, duplicates = db.add_books([(mi, {fmt: rd.request_body_file})], add_duplicates=add_duplicates)

src/pyj/ajax.pyj

@@ -126,10 +126,7 @@ def ajax_send_file(path, file, on_complete, on_progress, timeout=None, ok_code=2
     xhr = ajax(path, on_complete, on_progress, False, 'POST', timeout, ok_code)
     if file.type:
         xhr.overrideMimeType(file.type)
-    r = FileReader()
-    r.onload = def(evt):
-        xhr.send(evt.target.result)
-    r.readAsBinaryString(file)
+    xhr.send(file)
     return xhr
 
 

src/pyj/book_list/add.pyj

@@ -2,25 +2,41 @@
 # License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
 from __python__ import bound_methods, hash_literals
 
+from elementmaker import E
 from gettext import gettext as _
 
 from ajax import ajax_send_file
 from book_list.library_data import loaded_books_query
 from book_list.router import back
 from book_list.top_bar import create_top_bar
-from dom import ensure_id
+from book_list.ui import query_as_href, show_panel
+from dom import clear, ensure_id
 from file_uploads import (
     update_status_widget, upload_files_widget, upload_status_widget
 )
+from session import get_interface_data
+from utils import safe_set_inner_html
+from widgets import create_button
 
 state = {
     'in_progress': False,
     'container_id': None,
     'counter': 0,
+    'number': 0,
     'fake_send': False,
+    'transfers': v'[]',
 }
 
+
+def cancel_in_progress():
+    for xhr in state.transfers:
+        xhr.abort()
+    state.transfers = v'[]'
+    state.in_progress = False
+
+
 def on_close():
+    cancel_in_progress()
     back()
 
 
@@ -31,16 +47,66 @@ def get_job_container(container_id, job_id):
     return container.querySelector(f'[data-job="{job_id}"]')
 
 
-def on_progress(container_id, job_id):
+def on_progress(container_id, job_id, loaded, total, xhr):
     container = get_job_container(container_id, job_id)
     if container is None:
         return
+    if total:
+        update_status_widget(container, loaded, total)
 
 
-def on_complete(container_id, job_id):
+def list_added_book(container, data):
+    container.appendChild(E.h3(E.b(data.title), E.span(' ' + _('by') + ' '), E.i(' & '.join(data.authors))))
+    container.appendChild(E.span(_('Added successfully') + ' '))
+    q = {'book_id': data.book_id + ''}
+    a = create_button(_('Open'), action=query_as_href(q, 'book_details'))
+    if state.number > 1:
+        a.setAttribute('target', '_blank')
+    else:
+        a.addEventListener('click', def(e):
+            e.preventDefault()
+            show_panel('book_details', {'book_id': data.book_id + ''}, True)
+        )
+    container.appendChild(a)
+
+
+def list_duplicate_book(container, container_id, job_id, data, file):
+    container.appendChild(E.div(style="padding: 1rem 1ex", _('A book with the title "{0}" already exists in the library.').format(data.title)))
+    b = create_button(_('Add anyway'), action=def():
+        c = get_job_container(container_id, job_id)
+        clear(c)
+        w = upload_status_widget(file.name, job_id)
+        c.appendChild(w)
+        send_file(file, container_id, job_id, True)
+    )
+    container.appendChild(b)
+
+
+def on_complete(container_id, job_id, end_type, xhr, ev):
+    idx = state.transfers.indexOf(xhr)
+    if idx > -1:
+        state.transfers.splice(idx, 1)
     container = get_job_container(container_id, job_id)
     if container is None:
         return
+    clear(container)
+    if end_type is 'load':
+        data = JSON.parse(xhr.responseText)
+        if data.book_id:
+            list_added_book(container, data)
+        else:
+            list_duplicate_book(container, container_id, job_id, data, this)
+    elif end_type is 'abort':
+        return
+    else:
+        html = _('Failed to upload the file: {}').format(this.name) + '<br>'
+        if xhr.status is 403:
+            un = get_interface_data().username
+            if un:
+                html += _('You are not allowed to make changes to the library') + '<hr>'
+            else:
+                html += _('You must be logged in to make changes to the library') + '<hr>'
+        safe_set_inner_html(container, html + '<br>' + xhr.error_html)
 
 
 def fake_send(container_id, job_id):
@@ -55,17 +121,21 @@ def fake_send(container_id, job_id):
 def send_file(file, container_id, job_id, add_duplicates):
     lid = loaded_books_query().library_id
     ad = 'y' if add_duplicates else 'n'
-    return ajax_send_file(
+    xhr = ajax_send_file(
         f'/cdb/add-book/{job_id}/{ad}/{encodeURIComponent(file.name)}/{lid}',
-        file, on_complete.bind(None, container_id, job_id), on_progress.bind(None, container_id, job_id))
+        file, on_complete.bind(file, container_id, job_id), on_progress.bind(None, container_id, job_id))
+    state.transfers.push(xhr)
+    return xhr
 
 
 def files_chosen(container_id, files):
     container = document.getElementById(container_id)
     if not container:
         return
+    state.number = 0
     for file in files:
         state.counter += 1
+        state.number += 1
         job_id = state.counter
         w = upload_status_widget(file.name, job_id)
         container.appendChild(w)
@@ -79,6 +149,7 @@ def files_chosen(container_id, files):
 def add_books_panel(container_id):
     container = document.getElementById(container_id)
     create_top_bar(container, title=_('Add books'), action=on_close, icon='close')
+    cancel_in_progress()
     state.in_progress = True
     state.container_id = container_id
     state.fake_send = False
@@ -86,7 +157,4 @@ def add_books_panel(container_id):
 
 
 def develop(container):
-    c = add_books_panel(ensure_id(container))
-    state.fake_send = True
-    container.removeChild(c)
-    files_chosen(container.id, [{'name': 'test1.epub', 'type': 'application/epub+zip'}, {'name': 'xxxx.yyy'}])
+    add_books_panel(ensure_id(container))

src/pyj/utils.pyj

@@ -219,7 +219,7 @@ def simple_markup(html):
     div.textContent = html
     html = div.innerHTML
     return html.replace(/\uffff(\/?[a-z1-6]+)\uffff/g, '<$1>')
-simple_markup.allowed_tags = v"'a|b|i|br|h1|h2|h3|h4|h5|h6|div|em|strong|span'.split('|')"
+simple_markup.allowed_tags = v"'a|b|i|br|hr|h1|h2|h3|h4|h5|h6|div|em|strong|span'.split('|')"
 
 
 def safe_set_inner_html(elem, html):