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Bram Dingelstad 2023-01-29 13:21:27 +01:00
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/target
/Cargo.lock

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Cargo.toml Normal file
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[package]
name = "notion-to-markdown"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
async-recursion = "1.0.0"
serde = { version = "1.0", features = ["derive"] }
serde_variant = "0.1.1"
notion = { git = "https://github.com/bram-dingelstad/notion-client-rs.git", package = "notion-client" }

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MIT License
Copyright (c) 2023 Bram Dingelstad
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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README.md Normal file
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# notion-to-markdown
A simple Rust library to turn Notion datatypes into Markdown

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src/lib.rs Normal file
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use async_recursion::async_recursion;
#[derive(Debug)]
pub enum Error {
}
use notion;
use notion::BlockType;
pub fn convert_rich_text(text: &notion::RichText) -> String {
match text {
notion::RichText::Text(text, _) => {
let mut string = text.content.to_owned();
if text.annotations.bold {
string = format!("**{string}**");
}
if text.annotations.italic {
string = format!("*{string}*");
}
if text.annotations.code {
string = format!("`{string}`");
}
string
},
_ => "".to_string()
}
}
#[async_recursion]
pub async fn convert_blocks(notion: &notion::Client, blocks: &Vec<notion::Block>) -> Result<String, Error> {
let mut output = vec![];
for block in blocks.iter() {
let string = match &block.value {
BlockType::Heading1(heading) |
BlockType::Heading2(heading) |
BlockType::Heading3(heading) => {
let content = heading.rich_text
.iter()
.map(|text| convert_rich_text(text))
.collect::<String>();
let markdown_heading = match &block.value {
BlockType::Heading1(_) => "#",
BlockType::Heading2(_) => "##",
BlockType::Heading3(_) | _ => "###",
};
Some(format!("{markdown_heading} {content}"))
},
BlockType::Paragraph(paragraph) => {
Some(
paragraph.rich_text
.iter()
.map(|text| convert_rich_text(text))
.collect::<String>()
)
},
BlockType::Code(code) => {
let language = serde_variant::to_variant_name(&code.language).unwrap();
let content = code.rich_text
.iter()
.map(|text| convert_rich_text(text))
.collect::<String>();
Some(
format!("```{language}\n{content}\n```")
)
},
BlockType::BulletedListItem(list_item) => {
let content = list_item.rich_text
.iter()
.map(|text| convert_rich_text(text))
.collect::<String>();
// TODO: Recurse down to `children`
Some(
format!("* {content}")
)
},
BlockType::NumberedListItem(list_item) => {
// TODO: Hold state for numbering
let content = list_item.rich_text
.iter()
.map(|text| convert_rich_text(text))
.collect::<String>();
// TODO: Recurse down to `children`
Some(
format!("1. {content}")
)
},
BlockType::ToDo(todo_item) => {
let content = todo_item.rich_text
.iter()
.map(|text| convert_rich_text(text))
.collect::<String>();
let checked = if todo_item.checked.unwrap_or(false) {
"x"
} else {
" "
};
// TODO: Recurse down to `children`
Some(
format!("[{checked}] {content}")
)
},
BlockType::Quote(quote) => {
let content = quote.rich_text
.iter()
.map(|text| convert_rich_text(text))
.collect::<String>();
// TODO: Recurse down to `children`
Some(
format!("> {content}")
)
},
BlockType::Callout(callout) => {
let content = callout.rich_text
.iter()
.map(|text| convert_rich_text(text))
.collect::<String>();
let icon = if let Some(value) = &callout.icon {
match value {
notion::Icon::Emoji(emoji) => emoji,
_ => ""
}
} else {
""
};
// TODO: Recurse down to `children`
Some(
format!("> {icon} {content}")
)
},
BlockType::Image(image) => {
match &image.image {
notion::File::External(url) => Some(format!(r#"<img style="margin: 0 auto" src="{url}">"#)),
// TODO: Implement reupload of Notion file type
_ => None
}
},
BlockType::Video(video) => {
match &video.video {
notion::File::External(url) => Some(format!(r#"<video controls src="{url}" />"#)),
// TODO: Implement reupload of Notion file type
_ => None
}
},
BlockType::Divider => Some("---".to_string()),
BlockType::Unsupported(string) => {
println!("Did not catch {string}");
None
},
BlockType::ColumnList(_) => {
if block.has_children {
let columns = notion
.blocks()
.children()
.list(notion::BlockChildrenListOptions { block_id: &block.id })
.await
.unwrap()
.results;
let mut content = vec![];
for column in columns.iter() {
let children = notion.blocks().children().list(notion::BlockChildrenListOptions { block_id: &column.id })
.await
.unwrap()
.results;
content.push(convert_blocks(&notion, &children).await.unwrap());
}
Some(
format!(
r#"<div style="display: flex;">{content}</div>"#,
content = content
.iter()
.map(
|column| format!(r#"<div style="margin: 0 16px">{column}</div>"#)
)
.collect::<Vec<String>>()
.join("\n")
)
)
} else {
None
}
},
BlockType::Column(_) |
BlockType::Table |
BlockType::Bookmark |
BlockType::File(_) | BlockType::PDF(_) |
BlockType::TableOfContents |
BlockType::ChildPage(_) |
BlockType::ChildDatabase(_) |
BlockType::SyncedBlock |
BlockType::Template |
BlockType::Toggle => None
};
if let Some(string) = string {
output.push(string);
}
}
Ok(output.join("\n\n"))
}