From 7fcdc3ecc0f077ff7ff4ec57c912beae4f974fdb Mon Sep 17 00:00:00 2001
From: Benedict Börger <benedict@0xb8000.de>
Date: Mon, 17 Dec 2018 21:34:36 +0100
Subject: [finz] inital commit

---
 src/exchange/mod.rs | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 src/exchange/mod.rs

(limited to 'src/exchange/mod.rs')

diff --git a/src/exchange/mod.rs b/src/exchange/mod.rs
new file mode 100644
index 0000000..8d93ac0
--- /dev/null
+++ b/src/exchange/mod.rs
@@ -0,0 +1,89 @@
+use std::io;
+use Csv::CsvFile;
+use std::collections::HashMap;
+
+pub struct Stock {
+	name : String,
+	history_prices : Vec<StockDatum>
+}
+
+struct StockDatum {
+	//date: ,
+	high: f32,
+	low: f32,
+	start: f32,
+	end: f32
+}
+
+impl StockDatum {
+	fn new(h : f32, l : f32, s : f32, e : f32) -> StockDatum {
+		StockDatum {
+			high : h,
+			low : l,
+			start : s,
+			end : e
+		}
+	}
+}
+
+//struct StockBuilder
+
+/* reads in a stock from a data source */
+impl Stock {
+	fn parse_line(line : Vec<String>, header : &Vec<String>) -> Option<StockDatum> {
+		let map : HashMap<&String,String> = header.iter().zip(line.into_iter()).collect();
+		let (mut high, mut low, mut start, mut end);
+
+		match map.get(&String::from("high")) {
+			Some(value) => high = value.parse::<f32>(),
+			None => {
+				println!("error with high value");
+				return None;
+			}
+		}
+		match map.get(&String::from("low")) {
+			Some(value) => low = value.parse::<f32>(),
+			None => {
+				println!("error with high value");
+				return None;
+			}
+		}
+		match map.get(&String::from("start")) {
+			Some(value) => start = value.parse::<f32>(),
+			None => {
+				println!("error with high value");
+				return None;
+			}
+		}
+		match map.get(&String::from("end")) {
+			Some(value) => end = value.parse::<f32>(),
+			None => {
+				println!("error with high value");
+				return None;
+			}
+		}
+		Some(StockDatum {
+			high: high,
+			low : low,
+			start : start,
+			end: end
+		})
+			
+	}
+
+	pub fn from_csv(csv_file : CsvFile) -> Result<Stock, io::Error> {
+		let mut datums = Vec::new();
+
+		for line in csv_file.content {
+			match Stock::parse_line(line, &csv_file.header) {
+				None => println!("Error parsing"),
+				Some(datum) => datums.push(datum),
+			};
+		}
+
+		Ok(Stock {
+			name : String::from("test"),
+			history_prices : datums
+		})
+	}
+}
-- 
cgit v1.2.3-70-g09d2