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moving unstructured to integrations folder
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use image::{DynamicImage, ImageEncoder, codecs::png::PngEncoder}; | ||
use reqwest::multipart::{Form, Part}; | ||
use rusty_tesseract::DataOutput; | ||
use serde_json; | ||
use std::collections::HashMap; | ||
use std::io::Cursor; | ||
use std::sync::Arc; | ||
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pub async fn perform_ocr_cloud(image: &Arc<DynamicImage>) -> (String, DataOutput, String) { | ||
let api_key = "ZUxfTRkf6lRgHZDXPHlFaSoOKAEbwV".to_string(); | ||
let api_url = "https://api.unstructuredapp.io/general/v0/general".to_string(); | ||
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let mut buffer = Vec::new(); | ||
let mut cursor = Cursor::new(&mut buffer); | ||
PngEncoder::new(&mut cursor) | ||
.write_image( | ||
image.as_bytes(), | ||
image.width(), | ||
image.height(), | ||
image.color().into(), | ||
) | ||
.unwrap(); | ||
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let part = Part::bytes(buffer) | ||
.file_name("image.png".to_string()) | ||
.mime_str("image/png") | ||
.unwrap(); | ||
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let form = Form::new() | ||
.part("files", part) | ||
.text("strategy", "auto") | ||
.text("coordinates", "true"); | ||
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let client = reqwest::Client::new(); | ||
let response = client | ||
.post(&api_url) | ||
.header("accept", "application/json") | ||
.header("unstructured-api-key", &api_key) | ||
.multipart(form) | ||
.send() | ||
.await | ||
.unwrap(); | ||
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let response_text = if response.status().is_success() { | ||
response.text().await.unwrap() | ||
} else { | ||
panic!("Error: {}", response.status()); | ||
}; | ||
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let json_output = response_text.clone(); | ||
let data_output = DataOutput { | ||
data: Vec::new(), | ||
output: String::new(), | ||
}; | ||
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let parsed_response: Vec<HashMap<String, serde_json::Value>> = | ||
serde_json::from_str(&response_text).unwrap(); | ||
let text = parsed_response | ||
.iter() | ||
.filter_map(|item| item.get("text").and_then(|v| v.as_str())) | ||
.collect::<Vec<&str>>() | ||
.join(" "); | ||
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(text, data_output, json_output) | ||
} |