1 files changed, 50 insertions, 0 deletions
diff --git a/src/web_frontend/util.rs b/src/web_frontend/util.rs
new file mode 100644
index 0000000..cffef0e
--- /dev/null
+++ b/src/web_frontend/util.rs
@@ -0,0 +1,50 @@
+use chrono::{NaiveDate, Utc};
+use chrono::Datelike;
+
+#[derive(Debug)]
+pub struct DateRange {
+	start_year : i32,
+	start_month : u32,
+	end_year : i32,
+	end_month : u32,
+}
+
+impl DateRange {
+	pub fn new(start : chrono::NaiveDate, end : chrono::NaiveDate) -> DateRange {
+		DateRange {
+			start_year : start.year(),
+			start_month : start.month(),
+			end_year : end.year(),
+			end_month : end.month(),
+		}
+	}
+}
+
+impl Iterator for DateRange {
+	type Item = chrono::NaiveDate;
+
+	fn next(&mut self) -> Option<Self::Item> {
+		println!("next called");
+		if (self.start_year <= self.end_year) {
+			if(self.start_month <= self.end_month) {
+				let mut tmp = self.start_year.to_string();
+				if self.start_month < 10 {
+					tmp.push_str("-0");
+				} else {
+					tmp.push_str("-");
+				}
+				tmp.push_str(&self.start_month.to_string());
+				tmp.push_str("-01");
+				if self.start_month < 13 {
+					self.start_month = self.start_month + 1;
+				} else {
+					self.start_month = 1;
+					self.start_year = self.start_year + 1;
+				}
+				println!("{}", tmp);
+				return Some(chrono::NaiveDate::parse_from_str(&tmp, "%Y-%m-%d").unwrap())
+			}
+		}
+		None
+	}
+}