commit ba21d0dadaf6b83112f26450b214543ad7128ee5
Author: Griffiths Lott <a@glott.me>
Date:   Tue Nov 1 21:39:16 2022 -0400

    Working proof of concept

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+ "windows_i686_gnu",
+ "windows_i686_msvc",
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..23024f2
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "FSS"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tiberius = {version = "0.11.2", features = ["winauth", "rust_decimal", "chrono"]}
+tokio = {version = "1.21.2", features = ["full"]}
+tokio-util = {version = "0.7.4", features = ["full"]}
+connectorx = {version = "0.2.5"}
+polars = {version = "0.24.3"}
+dotenv = "0.15.0"
+
diff --git a/Cargo.toml.bak b/Cargo.toml.bak
new file mode 100644
index 0000000..386f257
--- /dev/null
+++ b/Cargo.toml.bak
@@ -0,0 +1,20 @@
+[package]
+name = "FSS"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tiberius = {version = "0.11.2", features = ["winauth", "rust_decimal", "chrono"]}
+tokio = {version = "1.21.2", features = ["full"]}
+tokio-util = {version = "0.7.4", features = ["full"]}
+chrono = {version = "0.4.22", features = ["serde"]}
+actix-web = "4"
+serde = {version =  "1.0.147", features = ["derive"]}
+serde_json = "1.0.87"
+walkdir = "2.3.2"
+
+[target.x86_64-pc-windows-gnu]
+linker = "/usr/bin/$ARCH-w64-mingw32-gcc"
+ar = "/usr/$ARCH-w64-mingw32/bin/ar"
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..3eca394
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,120 @@
+use chrono::NaiveDateTime;
+use tiberius::{Client, Config, Query, AuthMethod, Row};
+use tokio::net::TcpStream;
+use tokio_util::compat::{TokioAsyncWriteCompatExt, Compat};
+mod pymt_trans_table;
+use pymt_trans_table::{PaymentData, FromSqlRow};
+use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder, dev::Payload};
+use serde::{Serialize, Deserialize};
+use dotenv::dotenv;
+use std::env::var;
+
+
+type BDynError = Box< dyn std::error::Error>;
+
+#[actix_web::main]
+async fn main() -> Result<(), BDynError> {
+    HttpServer::new(|| {
+        App::new()
+            .service(search_contract)
+    })
+    .bind(("127.0.0.1", 8080))?
+    .run()
+    .await;
+    Ok(())
+}
+
+#[derive(Deserialize)]
+struct ContractNumber {
+    contract_number: String
+}
+
+#[derive(Serialize)]
+struct SearchResponse {
+    pub paid_in_full : Vec<PaymentData>,
+    pub checks: Option<Vec<[String;2]>>
+}
+
+#[get("/contract/{contract_number}")]
+async fn search_contract(contract_number: web::Path<String>) -> HttpResponse  {
+    let mut resp = SearchResponse{paid_in_full: vec![], checks: None};
+    dotenv().ok();
+    let mut config = Config::new();
+    config.host("172.16.181.143");
+    config.port(1433);
+    config.authentication(AuthMethod::windows(var("USER_NAME").except("No USER_NAME set in .env"), var("PASSWORD").except("No PASSWORD set in .env")));
+    config.trust_cert(); // on production, it is not a good idea to do this
+
+    let paid_in_full = get_paid_in_full(config.clone(), contract_number.to_string()).await;
+    let mut checks = vec![];
+    match paid_in_full {
+        Ok(pif) => {
+            if pif.len() > 0 {
+                for payment in pif {
+                    if payment.is_check() {
+                        checks.push(payment.check_info());
+                    }
+                    resp.paid_in_full.push(payment);
+                }
+                let found_checks = find_checks(config, checks).await;
+                match found_checks {
+                    Ok(check_list) => {resp.checks = Some(check_list);},
+                    Err(e) => {return HttpResponse::NotFound().body("Contract not found")}
+                }
+            };
+        },
+        Err(e) => {return HttpResponse::NotFound().body("Contract not found")}
+    }
+    HttpResponse::Ok().body(serde_json::json!(resp).to_string())
+}
+
+async fn create_sql_conn(config: Config) -> Result<Client<Compat<TcpStream>>, BDynError> {
+    let tcp = TcpStream::connect(config.get_addr()).await?;
+    tcp.set_nodelay(true)?;
+
+    Ok(Client::connect(config, tcp.compat_write()).await?)
+}
+
+fn create_table_struct<T>(sql_result: Vec<Row>) -> Result<Vec<T>, BDynError>
+where T: FromSqlRow<T>
+{
+    let mut table: Vec<T> = vec![];
+    for row in sql_result {
+        let raw_data = T::from_sql_row(row);
+        match raw_data {
+            Ok(structure_data) => table.push(structure_data),
+            Err(e) => {}
+        }
+    }
+    Ok(table)
+}
+
+async fn get_paid_in_full(config: Config, contract_number: String) -> Result<Vec<PaymentData>, BDynError> {
+    let mut client = create_sql_conn(config).await?;
+    let pif_query = Query::new(format!("USE NLCF SELECT TRXDSCRN as ContractNumber, BACHNUMB, VENDORID, PRCHAMNT, DOCDATE, DEX_ROW_TS FROM PM30200 WHERE TRXDSCRN = '{}'", contract_number));
+    let stream = pif_query.query(&mut client).await?;
+    let row = stream.into_first_result().await?;
+    create_table_struct(row)
+}
+
+async fn find_checks(config: Config, search_data: Vec<(String, String, NaiveDateTime)>)  -> Result<Vec<[String;2]>, BDynError>{
+    use walkdir::{WalkDir, DirEntry};
+    let mut client = create_sql_conn(config).await?;
+    let mut found_checks: Vec<[String;2]> = vec![];
+
+    for (vendor_id, bach_num, timestamp) in search_data {
+        let check_query = Query::new(format!("USE NLCF SELECT VENDORID, CHEKNUMB, CHEKAMNT FROM ME240461
+         WHERE VENDORID = '{}' AND BACHNUMB= '{}' AND DOCDATE >= {}", vendor_id, bach_num, timestamp.format("%Y-%m-%d")));
+        let stream = check_query.query(&mut client).await?;
+        let rows = stream.into_first_result().await?;
+        if rows.len() < 1 {continue}
+        for row in rows {
+            let check_number: &str = row.get("CHEKNUMB").unwrap();
+            let vendor: &str = row.get("VENDORID").unwrap();
+            let files: Vec<DirEntry> =  WalkDir::new(&format!("\\\\LCCPHL-SSFSH001\\Mekorma PDF\\NLCF\\PROCESSED\\*{}*",check_number)).into_iter().filter_map(|e| e.ok()).collect();
+            if files.len() > 0 {found_checks.push([vendor.to_string(), files[0].file_name().to_str().unwrap().to_string()])}
+        }
+    }
+    Ok(found_checks)
+}
+
diff --git a/src/pymt_trans_table.rs b/src/pymt_trans_table.rs
new file mode 100644
index 0000000..357e128
--- /dev/null
+++ b/src/pymt_trans_table.rs
@@ -0,0 +1,50 @@
+
+use tiberius::{Row, numeric::Decimal};
+use chrono::NaiveDateTime;
+use serde::{Serialize};
+
+type BDynError = Box< dyn std::error::Error>;
+
+#[derive(Debug, Serialize)]
+pub struct PaymentData {
+    contract_number: String,
+    bach_num: String,
+    vendor_id: String,
+    purchase_amount: Decimal,
+    doc_date: NaiveDateTime,
+    dex_row_ts: NaiveDateTime,
+}
+impl PaymentData {
+    pub fn is_check(&self) -> bool {
+        self.bach_num.find("CHK").is_some()
+    }
+    pub fn check_info(&self) -> (String, String, NaiveDateTime) {
+        return (self.vendor_id.clone(), self.bach_num.clone(), self.dex_row_ts.clone())
+    }
+}
+
+impl FromSqlRow<PaymentData> for PaymentData {
+    
+    fn from_sql_row(sql_data: Row) -> Result<Self, BDynError> {
+        let cn: &str = sql_data.get("ContractNumber").unwrap();
+        let bn: &str = sql_data.get("BACHNUMB").unwrap();
+        let vi: &str = sql_data.get("VENDORID").unwrap();
+        let pa: Decimal = sql_data.get("PRCHAMNT").unwrap();
+        let dd: NaiveDateTime = sql_data.get("DOCDATE").unwrap();
+        let dr: NaiveDateTime = sql_data.get("DEX_ROW_TS").unwrap();
+        
+        Ok(PaymentData {
+            contract_number: cn.to_string(),
+            bach_num: bn.to_string(),
+            vendor_id: vi.to_string(),
+            purchase_amount: pa,
+            doc_date: dd,
+            dex_row_ts: dr,
+        })
+    }
+}
+
+pub trait FromSqlRow<T> {
+    fn from_sql_row(sql_data: Row) -> Result<T, BDynError>;
+}
+