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Comrad/app/screens/feed/feed.py
quadrismegistus ae7589e4a6 ok last push
2020-08-23 15:40:02 +01:00

268 lines
9.4 KiB
Python

from kivymd.uix.label import MDLabel
from kivy.uix.gridlayout import GridLayout
from kivy.uix.image import AsyncImage, Image
from kivymd.uix.boxlayout import MDBoxLayout
from kivymd.uix.card import MDCard, MDSeparator
from kivy.uix.scrollview import ScrollView
from screens.base import ProtectedScreen,BaseScreen
from kivy.properties import ListProperty
import os,time
from datetime import datetime
from kivy.app import App
from threading import Thread
import asyncio
from misc import *
from kivy.core.window import Window
### POST CODE
class PostTitle(MDLabel): pass
class PostGridLayout(GridLayout): pass
class PostImage(AsyncImage): pass
# class PostImage(CoreImage)
class PostImageBytes(Image): pass
class PostContent(MDLabel):
def __init__(self,**kwargs):
super().__init__(**kwargs)
self.bind(width=lambda s, w: s.setter('text_size')(s, (w, None)))
self.bind(texture_size=self.setter('size'))
self.font_name='assets/overpass-mono-regular.otf'
#pass
class PostAuthorLayout(MDBoxLayout): pass
class PostImageLayout(MDBoxLayout): pass
class PostAuthorLabel(MDLabel):
def __init__(self,**kwargs):
super().__init__(**kwargs)
self.bind(width=lambda s, w: s.setter('text_size')(s, (w, None)))
self.bind(texture_size=self.setter('size'))
self.font_name='assets/overpass-mono-regular.otf'
#self.to_changeable=False
def on_touch_down(self, touch):
'''Receive a touch down event.
:Parameters:
`touch`: :class:`~kivy.input.motionevent.MotionEvent` class
Touch received. The touch is in parent coordinates. See
:mod:`~kivy.uix.relativelayout` for a discussion on
coordinate systems.
:Returns: bool
If True, the dispatching of the touch event will stop.
If False, the event will continue to be dispatched to the rest
of the widget tree.
'''
#if not self.to_changeable: return
# try:
# self.parent.parent.author_dialog.open()
# #for item in self.parent.parent.author_dialog.items:
# # raise Exception([item.disabled, item.text])
# except AttributeError:
# pass
try:
self.parent.parent.parent.open_author_option()
except AttributeError:
pass
#raise Exception(self.text)
# self.text = '!!!'
#self.parent.parent.recipient
#return
#raise Exception(self.parent.parent.recipient)
if self.disabled and self.collide_point(*touch.pos):
return True
for child in self.children[:]:
if child.dispatch('on_touch_down', touch):
return True
pass
class PostTimestampLabel(MDLabel):
def __init__(self,**kwargs):
super().__init__(**kwargs)
self.bind(width=lambda s, w: s.setter('text_size')(s, (w, None)))
self.bind(texture_size=self.setter('size'))
self.font_name='assets/overpass-mono-regular.otf'
class PostAuthorAvatar(AsyncImage): pass
class PostLayout(MDBoxLayout): pass
class PostScrollView(ScrollView): pass
class PostCard(MDCard):
@property
def app(self): return App.get_running_app()
def log(self,*x): self.app.log(*x)
def __init__(self, data):
super().__init__()
# self.log('PostCard() got data: '+str(data))
self.author = data.get('author','[Anonymous]')
self.recipient = data.get('to_name','')
if not self.recipient:
self.recipient=self.app.channel
self.img_id = data.get('file_id','')
self.img_ext = data.get('file_ext','')
self.img_src=self.img_id[:3]+'/'+self.img_id[3:]+'.'+self.img_ext if self.img_id else ''
self.cache_img_src = os.path.join('cache',self.img_src) if self.img_src else ''
self.img_loaded = os.path.exists(self.cache_img_src)
self.content = data.get('content','')
self.timestamp = data.get('timestamp',None)
self.bind(minimum_height=self.setter('height'))
# minwidth = 400
# maxwidth = 800
# abouts = int(Window.size[0]/1.5)
# if abouts < minwidth: self.width=f'{minwidth}sp'
# if abouts > maxwidth: self.width=f'{maxwidth}sp'
# self.width=f'{abouts}sp'
# self.log('PostCard.img_id =',self.img_id)
# self.log('PostCard.img_ext =',self.img_ext)
# self.log('PostCard.img_src =',self.img_src)
# self.log('PostCard.cache_img_src =',self.cache_img_src)
# pieces
self.author_section_layout = author_section_layout = PostAuthorLayout()
self.author_label = author_label = PostAuthorLabel(text='@'+self.author)
self.author_label.font_name='assets/overpass-mono-semibold.otf'
if self.recipient:
recip=self.recipient
recip='@'+recip if recip and recip[0].isalpha() else recip
self.author_label.text+='\n[size=14sp]to '+recip+'[/size]'
self.author_label.markup=True
self.author_label.font_size = '18sp'
self.author_avatar = author_avatar = PostAuthorAvatar(source=f'assets/avatars/{self.author}.png') #self.img_src)
self.author_section_layout.add_widget(author_avatar)
self.author_section_layout.add_widget(author_label)
# self.author_section_layout.add_widget(MDSeparator(height='1sp',size_hint=(None,None)))
# self.recipient_label = author_label = PostAuthorLabel(text='--> @'+self.recipient)
# self.recipient_label.font_size = '14sp'
# self.author_label.add_widget(self.recipient_label)
# timestamp
timestr=''
#log(self.timestamp)
if self.timestamp:
dt_object = datetime.fromtimestamp(self.timestamp)
timestr = dt_object.strftime("%-d %b %Y %H:%M")
#log('timestr: '+timestr)
self.timestamp_label=PostTimestampLabel(text=timestr)
self.timestamp_label.font_size='14sp'
author_section_layout.add_widget(self.timestamp_label)
# author_section_layout.add_widget(author_avatar)
# self.add_widget(author_section_layout)
if self.cache_img_src:
image_layout = PostImageLayout()
self.image = image = PostImage(source=self.cache_img_src)
image.height = '300sp'
image_layout.add_widget(image)
image_layout.height='300sp'
# self.log(image.image_ratio)
self.post_content = PostContent(text=self.content)
# post_layout = PostGridLayout()
#content = PostContent()
# add to screen
# self.add_widget(title)
# post_layout.add_widget(author_section_layout)
# post_layout.add_widget(image_layout)
# post_layout.add_widget(content)
self.scroller = scroller = PostScrollView()
self.add_widget(author_section_layout)
# self.add_widget(MDLabel(text='hello'))
#log('img_src ' + str(bool(self.img_src)))
if self.img_src: self.add_widget(image_layout)
def estimate_height(minlen=100,maxlen=300):
num_chars = len(self.content)
# num_lines = num_chars
height = num_chars*1.1
if height>maxlen: height=maxlen
if height<minlen: height=minlen
return height
scroller.size = ('300sp','%ssp' % estimate_height())
# scroller.bind(size=('300sp',scroller.setter('height'))
scroller.add_widget(self.post_content)
self.add_widget(scroller)
# self.add_widget(post_layout)
# self.log('?????',self.cache_img_src, os.path.exists(self.cache_img_src), os.stat(self.cache_img_src).st_size)
if self.cache_img_src and (not os.path.exists(self.cache_img_src) or not os.stat(self.cache_img_src).st_size):
async def do_download_later():
self.log('downloading...')
await self.app.download(self.img_id, self.cache_img_src)
self.image.reload()
return True
#self.open_dialog('posting')
#Thread(target=do_download).start()
asyncio.create_task(do_download_later())
@property
def app(self):
return App.get_running_app()
def load_image(self):
if not self.img_src: return
if self.img_loaded: return
# otherwise load image...
self.app.get_image(self.img_src)
self.log('done getting image!')
self.image.reload()
self.img_loaded=True
#####
class FeedScreen(BaseScreen):
posts = ListProperty()
def on_pre_enter(self):
super().on_pre_enter()
async def go():
# self.log('ids:' +str(self.ids.post_carousel.ids))
for post in self.posts:
self.ids.post_carousel.remove_widget(post)
i=0
lim=25
posts=await self.app.get_posts(self.app.uri)
for i,post in enumerate(reversed(posts)):
# for i,post in enumerate(posts)):
#if ln.startswith('@') or ln.startswith('RT '): continue
#i+=1
if i>lim: break
#post = Post(title=f'Marx Zuckerberg', content=ln.strip())
#self.log('???')
post_obj = PostCard(post)
self.posts.append(post_obj)
self.ids.post_carousel.add_widget(post_obj)
asyncio.create_task(go())