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use crate::{
io::writer::{Destination, WriteToFile},
misc::type_ext::UnwrapOrEnqueueError,
};
use polars::frame::DataFrame;
use crate::{
handler::message::Message,
io::writer::WriteToCsv,
tui::{
component::Component,
pickers::text_picker::TextPicker,
popups::{
export_target_picker::{ExportTargetPicker, Target},
multi_step_overlay::OverlayStep,
path_picker::PathPicker,
},
},
};
#[derive(Debug)]
pub enum State {
PickSeparator {
df: DataFrame,
picker: TextPicker,
},
PickQuoteChar {
df: DataFrame,
separator: char,
picker: TextPicker,
},
PickOutputTarget {
df: DataFrame,
separator: char,
quote: char,
picker: ExportTargetPicker,
},
PickOutputPath {
df: DataFrame,
separator: char,
quote: char,
picker: PathPicker,
},
}
impl From<DataFrame> for State {
fn from(value: DataFrame) -> Self {
Self::PickSeparator {
df: value,
picker: TextPicker::default()
.with_title("Separator")
.with_max_len(1)
.with_value(",".to_owned()),
}
}
}
impl OverlayStep for State {
fn next(self) -> Self {
match self {
State::PickSeparator { df, picker } => {
if let Some(separator) = picker.value().chars().next() {
State::PickQuoteChar {
df,
separator,
picker: TextPicker::default()
.with_title("Quote")
.with_max_len(1)
.with_value("\"".to_owned()),
}
} else {
State::PickSeparator { df, picker }
}
}
State::PickQuoteChar {
df,
separator,
picker,
} => {
if let Some(quote) = picker.value().chars().next() {
State::PickOutputTarget {
df,
separator,
quote,
picker: ExportTargetPicker::default(),
}
} else {
State::PickQuoteChar {
df,
separator,
picker,
}
}
}
State::PickOutputTarget {
mut df,
separator,
quote,
picker,
} => match picker.selected() {
Some(Target::Clipboard) => {
WriteToCsv::default()
.with_separator_char(separator)
.with_quote_char(quote)
.with_header(true)
.write_to_file(Destination::Clipboard, &mut df)
.unwrap_or_enqueue_error();
Message::PaneDismissModal.enqueue();
Message::AppShowToast(
"Data frame exported to clipboard in CSV format".to_owned(),
)
.enqueue();
State::PickOutputTarget {
df,
separator,
quote,
picker,
}
}
Some(Target::File) => State::PickOutputPath {
df,
separator,
quote,
picker: PathPicker::default(),
},
None => State::PickOutputTarget {
df,
separator,
quote,
picker,
},
},
State::PickOutputPath {
mut df,
separator,
quote,
picker,
} => {
WriteToCsv::default()
.with_separator_char(separator)
.with_quote_char(quote)
.with_header(true)
.write_to_file(Destination::File(picker.path()), &mut df)
.unwrap_or_enqueue_error();
Message::PaneDismissModal.enqueue();
Message::AppShowToast(format!(
"Data frame exported to '{}' in CSV format",
picker
.path()
.file_name()
.unwrap_or_default()
.to_string_lossy()
))
.enqueue();
State::PickOutputPath {
df,
separator,
quote,
picker,
}
}
}
}
fn responder(&mut self) -> &mut dyn Component {
match self {
State::PickSeparator { picker, df: _ } => picker,
State::PickQuoteChar {
separator: _,
picker,
df: _,
} => picker,
State::PickOutputTarget {
separator: _,
quote: _,
picker,
df: _,
} => picker,
State::PickOutputPath {
separator: _,
quote: _,
picker,
df: _,
} => picker,
}
}
}