2024-02-16 09:46:13 +08:00

114 lines
3.4 KiB
Python

from pathlib import Path
from datetime import datetime
from typing import TYPE_CHECKING, Literal
import jinja2
from pydantic import BaseModel, root_validator
from nonebot_plugin_saa import Text, Image, MessageSegmentFactory
from nonebot_bison.theme.utils import convert_to_qr
from nonebot_bison.theme import Theme, ThemeRenderError, ThemeRenderUnsupportError
if TYPE_CHECKING:
from nonebot_bison.post import Post
class CeobeInfo(BaseModel):
"""卡片的信息部分
datasource: 数据来源
time: 时间
"""
datasource: str
time: str
class CeoboContent(BaseModel):
"""卡片的内容部分
image: 图片链接
text: 文字内容
"""
image: str | None
text: str | None
@root_validator
def check(cls, values):
if values["image"] is None and values["text"] is None:
raise ValueError("image and text cannot be both None")
return values
class CeobeCard(BaseModel):
info: CeobeInfo
content: CeoboContent
qr: str | None
class CeobeCanteenTheme(Theme):
"""小刻食堂 分享卡片风格主题
需要安装`nonebot_plugin_htmlrender`插件
"""
name: Literal["ceobecanteen"] = "ceobecanteen"
need_browser: bool = True
template_path: Path = Path(__file__).parent / "templates"
template_name: str = "ceobe_canteen.html.jinja"
def parse(self, post: "Post") -> CeobeCard:
"""解析 Post 为 CeobeCard"""
if not post.nickname:
raise ThemeRenderUnsupportError("post.nickname is None")
if not post.timestamp:
raise ThemeRenderUnsupportError("post.timestamp is None")
info = CeobeInfo(
datasource=post.nickname, time=datetime.fromtimestamp(post.timestamp).strftime("%Y-%m-%d %H:%M:%S")
)
head_pic = post.images[0] if post.images else None
if head_pic is not None and not isinstance(head_pic, str):
raise ThemeRenderUnsupportError("post.images[0] is not str")
content = CeoboContent(image=head_pic, text=post.content)
return CeobeCard(info=info, content=content, qr=convert_to_qr(post.url or "No URL"))
async def render(self, post: "Post") -> list[MessageSegmentFactory]:
ceobe_card = self.parse(post)
from nonebot_plugin_htmlrender import get_new_page
template_env = jinja2.Environment(
loader=jinja2.FileSystemLoader(self.template_path),
enable_async=True,
)
template = template_env.get_template(self.template_name)
html = await template.render_async(card=ceobe_card)
pages = {
"viewport": {"width": 1000, "height": 3000},
"base_url": self.template_path.as_uri(),
}
try:
async with get_new_page(**pages) as page:
await page.goto(self.template_path.as_uri())
await page.set_content(html)
await page.wait_for_timeout(1)
img_raw = await page.locator("#ceobecanteen-card").screenshot(
type="png",
)
except Exception as e:
raise ThemeRenderError(f"Render error: {e}") from e
msgs: list[MessageSegmentFactory] = [Image(img_raw)]
text = f"来源: {post.platform.name} {post.nickname or ''}\n"
if post.url:
text += f"详情: {post.url}"
msgs.append(Text(text))
if post.images:
msgs.extend(map(Image, post.images))
return msgs