Jake Howard
ee307bcfbf
This removes them from migrations, avoiding the need to create new ones when they change
32 lines
805 B
Python
32 lines
805 B
Python
import base64
|
|
import json
|
|
import zlib
|
|
|
|
from wagtail.blocks import RichTextBlock, StructBlock, StructValue, TextBlock
|
|
|
|
|
|
class MermaidStructValue(StructValue):
|
|
def config(self) -> dict:
|
|
return {"code": self.get("source"), "mermaid": {"theme": "default"}}
|
|
|
|
def pako(self) -> str:
|
|
"""
|
|
Reverse engineer the URL payload needed by mermaid.ink
|
|
"""
|
|
return (
|
|
"pako:"
|
|
+ base64.urlsafe_b64encode(
|
|
zlib.compress(json.dumps(self.config()).encode())
|
|
).decode()
|
|
)
|
|
|
|
|
|
class MermaidBlock(StructBlock):
|
|
source = TextBlock()
|
|
caption = RichTextBlock(editor="plain", required=False)
|
|
|
|
class Meta:
|
|
icon = "edit"
|
|
value_class = MermaidStructValue
|
|
template = "contrib/blocks/mermaid.html"
|